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Merge pull request #234 from wagoodman/add-podman-support

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Add initial Podman support
This commit is contained in:
Alex Goodman 2019-10-09 08:46:47 -04:00 committed by GitHub
commit 9cebcfd690
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GPG Key ID: 4AEE18F83AFDEB23
57 changed files with 1943 additions and 969 deletions
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6
.circleci/config.yml
View File

@ -12,7 +12,7 @@ jobs:
- restore_cache:
keys:
- golang-1.11-{{ checksum "go.sum" }}
- run: make setup
- run: make setup-ci
- save_cache:
key: golang-1.11-{{ checksum "go.sum" }}
paths:
@ -32,7 +32,7 @@ jobs:
- restore_cache:
keys:
- golang-1.12-{{ checksum "go.sum" }}
- run: make setup
- run: make setup-ci
- save_cache:
key: golang-1.12-{{ checksum "go.sum" }}
paths:
@ -52,7 +52,7 @@ jobs:
- restore_cache:
keys:
- golang-1.13-{{ checksum "go.sum" }}
- run: make setup
- run: make setup-ci
- save_cache:
key: golang-1.13-{{ checksum "go.sum" }}
paths:

15
.goreleaser.yml
View File

@ -3,8 +3,6 @@ release:
builds:
- binary: dive
env:
- CGO_ENABLED=0
goos:
- windows
- darwin
@ -14,19 +12,6 @@ builds:
ldflags: -s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.buildTime={{.Date}}`.
dockers:
-
binaries:
- dive
dockerfile: Dockerfile.slim
image_templates:
- "wagoodman/dive:{{ .Tag }}-slim"
- "wagoodman/dive:v{{ .Major }}-slim"
- "wagoodman/dive:v{{ .Major }}.{{ .Minor }}-slim"
- "wagoodman/dive:slim"
- "quay.io/wagoodman/dive:{{ .Tag }}-slim"
- "quay.io/wagoodman/dive:v{{ .Major }}-slim"
- "quay.io/wagoodman/dive:v{{ .Major }}.{{ .Minor }}-slim"
- "quay.io/wagoodman/dive:slim"
-
binaries:
- dive

11
Dockerfile.full
View File

@ -1,10 +1,7 @@
FROM alpine:3.10 AS build
FROM alpine:3.10
ARG DOCKER_CLI_VERSION="19.03.1"
RUN apk --update add curl \
&& curl -L https://download.docker.com/linux/static/stable/x86_64/docker-$DOCKER_CLI_VERSION.tgz | tar -xzf - docker/docker --strip-component=1 -C /tmp
FROM scratch
COPY --from=build /tmp/docker /
RUN apk --update add curl &&\
curl -L https://download.docker.com/linux/static/stable/x86_64/docker-$DOCKER_CLI_VERSION.tgz | \
tar -xzf - docker/docker --strip-component=1 -C /tmp
COPY dist/dive_linux_amd64/dive /
ENV PATH /
ENTRYPOINT ["/dive"]

3
Dockerfile.slim
View File

@ -1,3 +0,0 @@
FROM scratch
COPY dist/dive_linux_amd64/dive /
ENTRYPOINT ["/dive"]

26
Makefile
View File

@ -1,20 +1,28 @@
BIN = dive
BUILD_DIR = ./dist/dive_linux_amd64/
BUILD_DIR = ./dist/dive_linux_amd64
BUILD_PATH = $(BUILD_DIR)/$(BIN)
PWD := ${CURDIR}
all: clean build
run: build
$(BUILD_PATH) build -t dive-example:latest -f .data/Dockerfile.example .
run-ci: build
CI=true $(BUILD_PATH) dive-example:latest --ci-config .data/.dive-ci
run-large: build
$(BUILD_PATH) amir20/clashleaders:latest
run-podman: build
podman build -t dive-example:latest -f .data/Dockerfile.example .
$(BUILD_PATH) localhost/dive-example:latest --engine podman
run-podman-large: build
$(BUILD_PATH) docker.io/amir20/clashleaders:latest --engine podman
run-ci: build
CI=true $(BUILD_PATH) dive-example:latest --ci-config .data/.dive-ci
build:
CGO_ENABLED=0 go build -o $(BUILD_PATH)
go build -o $(BUILD_PATH)
release: test-coverage validate
./.scripts/tag.sh
@ -43,12 +51,16 @@ lint: build
generate-test-data:
docker build -t dive-test:latest -f .data/Dockerfile.test-image . && docker image save -o .data/test-docker-image.tar dive-test:latest && echo "Exported test data!"
setup:
setup-ci:
sudo apt update && sudo apt install -y libgpgme-dev libbtrfs-dev libdevmapper-dev
go get ./...
curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b /go/bin v1.18.0
dev:
docker run -ti --rm -v $(PWD):/app -w /app -v dive-pkg:/go/pkg/ golang:1.13 bash
clean:
rm -rf dist
go clean
.PHONY: build install test lint clean release validate generate-test-data test-coverage ci
.PHONY: build install test lint clean release validate generate-test-data test-coverage ci dev

27
README.md
View File

@ -2,7 +2,7 @@
[![Go Report Card](https://goreportcard.com/badge/github.com/wagoodman/dive)](https://goreportcard.com/report/github.com/wagoodman/dive)
[![Pipeline Status](https://circleci.com/gh/wagoodman/dive.svg?style=svg)](https://circleci.com/gh/wagoodman/dive)
**A tool for exploring a docker image, layer contents, and discovering ways to shrink your Docker image size.**
**A tool for exploring a docker image, layer contents, and discovering ways to shrink the size of your Docker/OCI image.**
![Image](.data/demo.gif)
@ -16,7 +16,7 @@ or if you want to build your image then jump straight into analyzing it:
dive build -t <some-tag> .
```
Building on Macbook
Building on Macbook (supporting only the Docker container engine)
```bash
docker run --rm -it \
@ -40,22 +40,15 @@ CI=true dive <your-image>
**Show Docker image contents broken down by layer**
As you select a layer on the left, you are shown the contents of that layer
combined with all previous layers on the right. Also, you can fully explore the
file tree with the arrow keys.
As you select a layer on the left, you are shown the contents of that layer combined with all previous layers on the right. Also, you can fully explore the file tree with the arrow keys.
**Indicate what's changed in each layer**
Files that have changed, been modified, added, or removed are indicated in the
file tree. This can be adjusted to show changes for a specific layer, or
aggregated changes up to this layer.
Files that have changed, been modified, added, or removed are indicated in the file tree. This can be adjusted to show changes for a specific layer, or aggregated changes up to this layer.
**Estimate "image efficiency"**
The lower left pane shows basic layer info and an experimental metric that will
guess how much wasted space your image contains. This might be from duplicating
files across layers, moving files across layers, or not fully removing files.
Both a percentage "score" and total wasted file space is provided.
The lower left pane shows basic layer info and an experimental metric that will guess how much wasted space your image contains. This might be from duplicating files across layers, moving files across layers, or not fully removing files. Both a percentage "score" and total wasted file space is provided.
**Quick build/analysis cycles**
@ -68,6 +61,13 @@ command.
**CI Integration**
Analyze and image and get a pass/fail result based on the image efficiency and wasted space. Simply set `CI=true` in the environment when invoking any valid dive command.
**Supported Container Engines**
- Docker (default)
- Podman (linux only)
```bash
dive <your-image-tag> --engine podman
```
## Installation
@ -195,6 +195,9 @@ Key Binding | Description
No configuration is necessary, however, you can create a config file and override values:
```yaml
# supported options are "docker" and "podman"
container-engine: docker
log:
enabled: true
path: ./dive.log

17
cmd/analyze.go
View File

@ -2,16 +2,16 @@ package cmd
import (
"fmt"
"github.com/wagoodman/dive/dive"
"os"
"github.com/spf13/cobra"
"github.com/wagoodman/dive/runtime"
"github.com/wagoodman/dive/utils"
)
// doAnalyzeCmd takes a docker image tag, digest, or id and displays the
// image analysis to the screen
func doAnalyzeCmd(cmd *cobra.Command, args []string) {
defer utils.Cleanup()
if len(args) == 0 {
printVersionFlag, err := cmd.PersistentFlags().GetBool("version")
@ -21,13 +21,13 @@ func doAnalyzeCmd(cmd *cobra.Command, args []string) {
}
fmt.Println("No image argument given")
utils.Exit(1)
os.Exit(1)
}
userImage := args[0]
if userImage == "" {
fmt.Println("No image argument given")
utils.Exit(1)
os.Exit(1)
}
initLogging()
@ -36,11 +36,18 @@ func doAnalyzeCmd(cmd *cobra.Command, args []string) {
if err != nil {
fmt.Printf("ci configuration error: %v\n", err)
utils.Exit(1)
os.Exit(1)
}
engine, err := cmd.PersistentFlags().GetString("engine")
if err != nil {
fmt.Printf("unable to determine engine: %v\n", err)
os.Exit(1)
}
runtime.Run(runtime.Options{
Ci: isCi,
Engine: dive.GetEngine(engine),
ImageId: userImage,
ExportFile: exportFile,
CiConfig: ciConfig,

10
cmd/build.go
View File

@ -2,8 +2,9 @@ package cmd
import (
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/wagoodman/dive/dive"
"github.com/wagoodman/dive/runtime"
"github.com/wagoodman/dive/utils"
)
// buildCmd represents the build command
@ -20,12 +21,15 @@ func init() {
// doBuildCmd implements the steps taken for the build command
func doBuildCmd(cmd *cobra.Command, args []string) {
defer utils.Cleanup()
initLogging()
// there is no cli options allowed, only config can be supplied
// todo: allow for an engine flag to be passed to dive but not the container engine
engine := viper.GetString("container-engine")
runtime.Run(runtime.Options{
Ci: isCi,
Engine: dive.GetEngine(engine),
BuildArgs: args,
ExportFile: exportFile,
CiConfig: ciConfig,

22
cmd/root.go
View File

@ -2,6 +2,7 @@ package cmd
import (
"fmt"
"github.com/wagoodman/dive/dive"
"github.com/wagoodman/dive/dive/filetree"
"io/ioutil"
"os"
@ -12,7 +13,6 @@ import (
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/wagoodman/dive/utils"
)
var cfgFile string
@ -35,9 +35,8 @@ the amount of wasted space and identifies the offending files from the image.`,
func Execute() {
if err := rootCmd.Execute(); err != nil {
fmt.Println(err)
utils.Exit(1)
os.Exit(1)
}
utils.Cleanup()
}
func init() {
@ -58,9 +57,15 @@ func initCli() {
for _, key := range []string{"lowestEfficiency", "highestWastedBytes", "highestUserWastedPercent"} {
if err := ciConfig.BindPFlag(fmt.Sprintf("rules.%s", key), rootCmd.Flags().Lookup(key)); err != nil {
log.Fatal("Unable to bind flag:", err)
log.Fatalf("Unable to bind '%s' flag: %v", key, err)
}
}
rootCmd.PersistentFlags().String("engine", "docker", "The container engine to fetch the image from. Allowed values: "+strings.Join(dive.AllowedEngines, ", "))
if err := viper.BindPFlag("container-engine", rootCmd.PersistentFlags().Lookup("engine")); err != nil {
log.Fatal("Unable to bind 'engine' flag:", err)
}
}
// initConfig reads in config file and ENV variables if set.
@ -97,7 +102,12 @@ func initConfig() {
viper.SetDefault("filetree.pane-width", 0.5)
viper.SetDefault("filetree.show-attributes", true)
viper.AutomaticEnv() // read in environment variables that match
viper.SetDefault("container-engine", "docker")
viper.SetEnvPrefix("DIVE")
// replace all - with _ when looking for matching environment variables
viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
viper.AutomaticEnv()
// If a config file is found, read it in.
if err := viper.ReadInConfig(); err == nil {
@ -148,7 +158,7 @@ func getCfgFile(fromFlag string) string {
home, err := homedir.Dir()
if err != nil {
fmt.Println(err)
utils.Exit(0)
os.Exit(0)
}
xdgHome := os.Getenv("XDG_CONFIG_HOME")

34
dive/filetree/cache.go
View File

@ -13,29 +13,36 @@ type TreeCache struct {
cache map[TreeCacheKey]*FileTree
}
func (cache *TreeCache) Get(bottomTreeStart, bottomTreeStop, topTreeStart, topTreeStop int) *FileTree {
func (cache *TreeCache) Get(bottomTreeStart, bottomTreeStop, topTreeStart, topTreeStop int) (*FileTree, error) {
key := TreeCacheKey{bottomTreeStart, bottomTreeStop, topTreeStart, topTreeStop}
if value, exists := cache.cache[key]; exists {
return value
return value, nil
}
value := cache.buildTree(key)
value, err := cache.buildTree(key)
if err != nil {
return nil, err
}
cache.cache[key] = value
return value
return value, nil
}
func (cache *TreeCache) buildTree(key TreeCacheKey) *FileTree {
newTree := StackTreeRange(cache.refTrees, key.bottomTreeStart, key.bottomTreeStop)
func (cache *TreeCache) buildTree(key TreeCacheKey) (*FileTree, error) {
newTree, err := StackTreeRange(cache.refTrees, key.bottomTreeStart, key.bottomTreeStop)
if err != nil {
return nil, err
}
for idx := key.topTreeStart; idx <= key.topTreeStop; idx++ {
err := newTree.CompareAndMark(cache.refTrees[idx])
if err != nil {
logrus.Errorf("unable to build tree: %+v", err)
return nil, err
}
}
return newTree
return newTree, nil
}
func (cache *TreeCache) Build() {
func (cache *TreeCache) Build() error {
var bottomTreeStart, bottomTreeStop, topTreeStart, topTreeStop int
// case 1: layer compare (top tree SIZE is fixed (BUT floats forward), Bottom tree SIZE changes)
@ -51,7 +58,10 @@ func (cache *TreeCache) Build() {
topTreeStart = selectIdx
}
cache.Get(bottomTreeStart, bottomTreeStop, topTreeStart, topTreeStop)
_, err := cache.Get(bottomTreeStart, bottomTreeStop, topTreeStart, topTreeStop)
if err != nil {
return err
}
}
// case 2: aggregated compare (bottom tree is ENTIRELY fixed, top tree SIZE changes)
@ -66,8 +76,12 @@ func (cache *TreeCache) Build() {
topTreeStart = 1
}
cache.Get(bottomTreeStart, bottomTreeStop, topTreeStart, topTreeStop)
_, err := cache.Get(bottomTreeStart, bottomTreeStop, topTreeStart, topTreeStop)
if err != nil {
return err
}
}
return nil
}
func NewFileTreeCache(refTrees []*FileTree) TreeCache {

15
dive/filetree/efficiency.go
View File

@ -1,7 +1,6 @@
package filetree
import (
"fmt"
"sort"
"github.com/sirupsen/logrus"
@ -63,14 +62,22 @@ func Efficiency(trees []*FileTree) (float64, EfficiencySlice) {
sizeBytes += curNode.Data.FileInfo.Size
return nil
}
stackedTree := StackTreeRange(trees, 0, currentTree-1)
stackedTree, err := StackTreeRange(trees, 0, currentTree-1)
if err != nil {
logrus.Errorf("unable to stack tree range: %+v", err)
return err
}
previousTreeNode, err := stackedTree.GetNode(node.Path())
if err != nil {
logrus.Debug(fmt.Sprintf("CurrentTree: %d : %s", currentTree, err))
} else if previousTreeNode.Data.FileInfo.IsDir {
return err
}
if previousTreeNode.Data.FileInfo.IsDir {
err = previousTreeNode.VisitDepthChildFirst(sizer, nil)
if err != nil {
logrus.Errorf("unable to propagate whiteout dir: %+v", err)
return err
}
}

69
dive/filetree/file_info.go
View File

@ -21,24 +21,13 @@ type FileInfo struct {
IsDir bool
}
// NewFileInfo extracts the metadata from a tar header and file contents and generates a new FileInfo object.
func NewFileInfo(reader *tar.Reader, header *tar.Header, path string) FileInfo {
if header.Typeflag == tar.TypeDir {
return FileInfo{
Path: path,
TypeFlag: header.Typeflag,
Linkname: header.Linkname,
hash: 0,
Size: header.FileInfo().Size(),
Mode: header.FileInfo().Mode(),
Uid: header.Uid,
Gid: header.Gid,
IsDir: header.FileInfo().IsDir(),
}
// NewFileInfoFromTarHeader extracts the metadata from a tar header and file contents and generates a new FileInfo object.
func NewFileInfoFromTarHeader(reader *tar.Reader, header *tar.Header, path string) FileInfo {
var hash uint64
if header.Typeflag != tar.TypeDir {
hash = getHashFromReader(reader)
}
hash := getHashFromReader(reader)
return FileInfo{
Path: path,
TypeFlag: header.Typeflag,
@ -52,6 +41,54 @@ func NewFileInfo(reader *tar.Reader, header *tar.Header, path string) FileInfo {
}
}
func NewFileInfo(realPath, path string, info os.FileInfo) FileInfo {
var err error
// todo: don't use tar types here, create our own...
var fileType byte
var linkName string
var size int64
if info.Mode()&os.ModeSymlink != 0 {
fileType = tar.TypeSymlink
linkName, err = os.Readlink(realPath)
if err != nil {
logrus.Panic("unable to read link:", realPath, err)
}
} else if info.IsDir() {
fileType = tar.TypeDir
} else {
fileType = tar.TypeReg
size = info.Size()
}
var hash uint64
if fileType != tar.TypeDir {
file, err := os.Open(realPath)
if err != nil {
logrus.Panic("unable to read file:", realPath)
}
defer file.Close()
hash = getHashFromReader(file)
}
return FileInfo{
Path: path,
TypeFlag: fileType,
Linkname: linkName,
hash: hash,
Size: size,
Mode: info.Mode(),
// todo: support UID/GID
Uid: -1,
Gid: -1,
IsDir: info.IsDir(),
}
}
// Copy duplicates a FileInfo
func (data *FileInfo) Copy() *FileInfo {
if data == nil {

5
dive/filetree/file_tree.go
View File

@ -367,14 +367,15 @@ func (tree *FileTree) markRemoved(path string) error {
}
// StackTreeRange combines an array of trees into a single tree
func StackTreeRange(trees []*FileTree, start, stop int) *FileTree {
func StackTreeRange(trees []*FileTree, start, stop int) (*FileTree, error) {
tree := trees[0].Copy()
for idx := start; idx <= stop; idx++ {
err := tree.Stack(trees[idx])
if err != nil {
logrus.Errorf("could not stack tree range: %v", err)
return nil, err
}
}
return tree
return tree, nil
}

5
dive/filetree/file_tree_test.go
View File

@ -745,7 +745,10 @@ func TestStackRange(t *testing.T) {
}
}
trees := []*FileTree{lowerTree, upperTree, tree}
StackTreeRange(trees, 0, 2)
_, err = StackTreeRange(trees, 0, 2)
if err != nil {
t.Fatal(err)
}
}
func TestRemoveOnIterate(t *testing.T) {

12
dive/get_analyzer.go
View File

@ -1,12 +0,0 @@
package dive
import (
"github.com/wagoodman/dive/dive/image"
"github.com/wagoodman/dive/dive/image/docker"
)
func GetAnalyzer(imageID string) image.Analyzer {
// u, _ := url.Parse(imageID)
// fmt.Printf("\n\nurl: %+v\n", u.Scheme)
return docker.NewImageAnalyzer(imageID)
}

44
dive/get_image_handler.go Normal file
View File

@ -0,0 +1,44 @@
package dive
import (
"fmt"
"github.com/wagoodman/dive/dive/image"
"github.com/wagoodman/dive/dive/image/docker"
"github.com/wagoodman/dive/dive/image/podman"
)
type Engine int
const (
EngineUnknown Engine = iota
EngineDocker
EnginePodman
)
func (engine Engine) String() string {
return [...]string{"unknown", "docker", "podman"}[engine]
}
var AllowedEngines = []string{EngineDocker.String(), EnginePodman.String()}
func GetEngine(engine string) Engine {
switch engine {
case "docker":
return EngineDocker
case "podman":
return EnginePodman
default:
return EngineUnknown
}
}
func GetImageHandler(engine Engine) (image.Resolver, error) {
switch engine {
case EngineDocker:
return docker.NewResolver(), nil
case EnginePodman:
return podman.NewResolver(), nil
}
return nil, fmt.Errorf("unable to determine image provider")
}

5
dive/image/analyzer.go
View File

@ -2,17 +2,14 @@ package image
import (
"github.com/wagoodman/dive/dive/filetree"
"io"
)
type Analyzer interface {
Fetch() (io.ReadCloser, error)
Parse(io.ReadCloser) error
Analyze() (*AnalysisResult, error)
}
type AnalysisResult struct {
Layers []Layer
Layers []*Layer
RefTrees []*filetree.FileTree
Efficiency float64
SizeBytes uint64

272
dive/image/docker/analyzer.go
View File

@ -1,272 +0,0 @@
package docker
import (
"archive/tar"
"fmt"
"github.com/wagoodman/dive/dive/image"
"io"
"io/ioutil"
"net/http"
"os"
"strings"
"github.com/docker/cli/cli/connhelper"
"github.com/docker/docker/client"
"github.com/wagoodman/dive/dive/filetree"
"github.com/wagoodman/dive/utils"
"golang.org/x/net/context"
)
var dockerVersion string
type imageAnalyzer struct {
id string
client *client.Client
jsonFiles map[string][]byte
trees []*filetree.FileTree
layerMap map[string]*filetree.FileTree
layers []*dockerLayer
}
func NewImageAnalyzer(imageId string) *imageAnalyzer {
return &imageAnalyzer{
// store discovered json files in a map so we can read the image in one pass
jsonFiles: make(map[string][]byte),
layerMap: make(map[string]*filetree.FileTree),
id: imageId,
}
}
func (img *imageAnalyzer) Fetch() (io.ReadCloser, error) {
var err error
// pull the img if it does not exist
ctx := context.Background()
host := os.Getenv("DOCKER_HOST")
var clientOpts []func(*client.Client) error
switch strings.Split(host, ":")[0] {
case "ssh":
helper, err := connhelper.GetConnectionHelper(host)
if err != nil {
fmt.Println("docker host", err)
}
clientOpts = append(clientOpts, func(c *client.Client) error {
httpClient := &http.Client{
Transport: &http.Transport{
DialContext: helper.Dialer,
},
}
return client.WithHTTPClient(httpClient)(c)
})
clientOpts = append(clientOpts, client.WithHost(helper.Host))
clientOpts = append(clientOpts, client.WithDialContext(helper.Dialer))
default:
if os.Getenv("DOCKER_TLS_VERIFY") != "" && os.Getenv("DOCKER_CERT_PATH") == "" {
os.Setenv("DOCKER_CERT_PATH", "~/.docker")
}
clientOpts = append(clientOpts, client.FromEnv)
}
clientOpts = append(clientOpts, client.WithVersion(dockerVersion))
img.client, err = client.NewClientWithOpts(clientOpts...)
if err != nil {
return nil, err
}
_, _, err = img.client.ImageInspectWithRaw(ctx, img.id)
if err != nil {
if !utils.IsDockerClientAvailable() {
return nil, fmt.Errorf("cannot find docker client executable")
}
// don't use the API, the CLI has more informative output
fmt.Println("Image not available locally. Trying to pull '" + img.id + "'...")
err = utils.RunDockerCmd("pull", img.id)
if err != nil {
return nil, err
}
}
readCloser, err := img.client.ImageSave(ctx, []string{img.id})
if err != nil {
return nil, err
}
return readCloser, nil
}
func (img *imageAnalyzer) Parse(tarFile io.ReadCloser) error {
tarReader := tar.NewReader(tarFile)
var currentLayer uint
for {
header, err := tarReader.Next()
if err == io.EOF {
break
}
if err != nil {
fmt.Println(err)
utils.Exit(1)
}
name := header.Name
// some layer tars can be relative layer symlinks to other layer tars
if header.Typeflag == tar.TypeSymlink || header.Typeflag == tar.TypeReg {
if strings.HasSuffix(name, "layer.tar") {
currentLayer++
if err != nil {
return err
}
layerReader := tar.NewReader(tarReader)
err := img.processLayerTar(name, currentLayer, layerReader)
if err != nil {
return err
}
} else if strings.HasSuffix(name, ".json") {
fileBuffer, err := ioutil.ReadAll(tarReader)
if err != nil {
return err
}
img.jsonFiles[name] = fileBuffer
}
}
}
return nil
}
func (img *imageAnalyzer) Analyze() (*image.AnalysisResult, error) {
img.trees = make([]*filetree.FileTree, 0)
manifest := newDockerImageManifest(img.jsonFiles["manifest.json"])
config := newDockerImageConfig(img.jsonFiles[manifest.ConfigPath])
// build the content tree
for _, treeName := range manifest.LayerTarPaths {
img.trees = append(img.trees, img.layerMap[treeName])
}
// build the layers array
img.layers = make([]*dockerLayer, len(img.trees))
// note that the img config stores images in reverse chronological order, so iterate backwards through layers
// as you iterate chronologically through history (ignoring history items that have no layer contents)
// Note: history is not required metadata in a docker img!
tarPathIdx := 0
histIdx := 0
for layerIdx := len(img.trees) - 1; layerIdx >= 0; layerIdx-- {
tree := img.trees[(len(img.trees)-1)-layerIdx]
// ignore empty layers, we are only observing layers with content
historyObj := imageHistoryEntry{
CreatedBy: "(missing)",
}
for nextHistIdx := histIdx; nextHistIdx < len(config.History); nextHistIdx++ {
if !config.History[nextHistIdx].EmptyLayer {
histIdx = nextHistIdx
break
}
}
if histIdx < len(config.History) && !config.History[histIdx].EmptyLayer {
historyObj = config.History[histIdx]
histIdx++
}
img.layers[layerIdx] = &dockerLayer{
history: historyObj,
index: tarPathIdx,
tree: img.trees[layerIdx],
tarPath: manifest.LayerTarPaths[tarPathIdx],
}
img.layers[layerIdx].history.Size = tree.FileSize
tarPathIdx++
}
efficiency, inefficiencies := filetree.Efficiency(img.trees)
var sizeBytes, userSizeBytes uint64
layers := make([]image.Layer, len(img.layers))
for i, v := range img.layers {
layers[i] = v
sizeBytes += v.Size()
if i != 0 {
userSizeBytes += v.Size()
}
}
var wastedBytes uint64
for idx := 0; idx < len(inefficiencies); idx++ {
fileData := inefficiencies[len(inefficiencies)-1-idx]
wastedBytes += uint64(fileData.CumulativeSize)
}
return &image.AnalysisResult{
Layers: layers,
RefTrees: img.trees,
Efficiency: efficiency,
UserSizeByes: userSizeBytes,
SizeBytes: sizeBytes,
WastedBytes: wastedBytes,
WastedUserPercent: float64(wastedBytes) / float64(userSizeBytes),
Inefficiencies: inefficiencies,
}, nil
}
func (img *imageAnalyzer) processLayerTar(name string, layerIdx uint, reader *tar.Reader) error {
tree := filetree.NewFileTree()
tree.Name = name
fileInfos, err := img.getFileList(reader)
if err != nil {
return err
}
for _, element := range fileInfos {
tree.FileSize += uint64(element.Size)
_, _, err := tree.AddPath(element.Path, element)
if err != nil {
return err
}
}
img.layerMap[tree.Name] = tree
return nil
}
func (img *imageAnalyzer) getFileList(tarReader *tar.Reader) ([]filetree.FileInfo, error) {
var files []filetree.FileInfo
for {
header, err := tarReader.Next()
if err == io.EOF {
break
} else if err != nil {
fmt.Println(err)
utils.Exit(1)
}
name := header.Name
switch header.Typeflag {
case tar.TypeXGlobalHeader:
return nil, fmt.Errorf("unexptected tar file: (XGlobalHeader): type=%v name=%s", header.Typeflag, name)
case tar.TypeXHeader:
return nil, fmt.Errorf("unexptected tar file (XHeader): type=%v name=%s", header.Typeflag, name)
default:
files = append(files, filetree.NewFileInfo(tarReader, header, name))
}
}
return files, nil
}

27
dive/image/docker/build.go Normal file
View File

@ -0,0 +1,27 @@
package docker
import (
"io/ioutil"
"os"
)
func buildImageFromCli(buildArgs []string) (string, error) {
iidfile, err := ioutil.TempFile("/tmp", "dive.*.iid")
if err != nil {
return "", err
}
defer os.Remove(iidfile.Name())
allArgs := append([]string{"--iidfile", iidfile.Name()}, buildArgs...)
err = runDockerCmd("build", allArgs...)
if err != nil {
return "", err
}
imageId, err := ioutil.ReadFile(iidfile.Name())
if err != nil {
return "", err
}
return string(imageId), nil
}

31
dive/image/docker/cli.go Normal file
View File

@ -0,0 +1,31 @@
package docker
import (
"fmt"
"github.com/wagoodman/dive/utils"
"os"
"os/exec"
)
// runDockerCmd runs a given Docker command in the current tty
func runDockerCmd(cmdStr string, args ...string) error {
if !isDockerClientBinaryAvailable() {
return fmt.Errorf("cannot find docker client executable")
}
allArgs := utils.CleanArgs(append([]string{cmdStr}, args...))
cmd := exec.Command("docker", allArgs...)
cmd.Env = os.Environ()
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Stdin = os.Stdin
return cmd.Run()
}
func isDockerClientBinaryAvailable() bool {
_, err := exec.LookPath("docker")
return err == nil
}

19
dive/image/docker/image_config.go → dive/image/docker/config.go
View File

@ -5,9 +5,9 @@ import (
"github.com/sirupsen/logrus"
)
type imageConfig struct {
History []imageHistoryEntry `json:"history"`
RootFs rootFs `json:"rootfs"`
type config struct {
History []historyEntry `json:"history"`
RootFs rootFs `json:"rootfs"`
}
type rootFs struct {
@ -15,8 +15,17 @@ type rootFs struct {
DiffIds []string `json:"diff_ids"`
}
func newDockerImageConfig(configBytes []byte) imageConfig {
var imageConfig imageConfig
type historyEntry struct {
ID string
Size uint64
Created string `json:"created"`
Author string `json:"author"`
CreatedBy string `json:"created_by"`
EmptyLayer bool `json:"empty_layer"`
}
func newConfig(configBytes []byte) config {
var imageConfig config
err := json.Unmarshal(configBytes, &imageConfig)
if err != nil {
logrus.Panic(err)

187
dive/image/docker/image_archive.go Normal file
View File

@ -0,0 +1,187 @@
package docker
import (
"archive/tar"
"fmt"
"github.com/wagoodman/dive/dive/filetree"
"github.com/wagoodman/dive/dive/image"
"io"
"io/ioutil"
"os"
"strings"
)
type ImageArchive struct {
manifest manifest
config config
layerMap map[string]*filetree.FileTree
}
func NewImageArchive(tarFile io.ReadCloser) (*ImageArchive, error) {
img := &ImageArchive{
layerMap: make(map[string]*filetree.FileTree),
}
tarReader := tar.NewReader(tarFile)
// store discovered json files in a map so we can read the image in one pass
jsonFiles := make(map[string][]byte)
var currentLayer uint
for {
header, err := tarReader.Next()
if err == io.EOF {
break
}
if err != nil {
fmt.Println(err)
os.Exit(1)
}
name := header.Name
// some layer tars can be relative layer symlinks to other layer tars
if header.Typeflag == tar.TypeSymlink || header.Typeflag == tar.TypeReg {
if strings.HasSuffix(name, ".tar") {
currentLayer++
if err != nil {
return img, err
}
layerReader := tar.NewReader(tarReader)
tree, err := processLayerTar(name, layerReader)
if err != nil {
return img, err
}
// add the layer to the image
img.layerMap[tree.Name] = tree
} else if strings.HasSuffix(name, ".json") {
fileBuffer, err := ioutil.ReadAll(tarReader)
if err != nil {
return img, err
}
jsonFiles[name] = fileBuffer
}
}
}
manifestContent, exists := jsonFiles["manifest.json"]
if !exists {
return img, fmt.Errorf("could not find image manifest")
}
img.manifest = newManifest(manifestContent)
configContent, exists := jsonFiles[img.manifest.ConfigPath]
if !exists {
return img, fmt.Errorf("could not find image config")
}
img.config = newConfig(configContent)
return img, nil
}
func processLayerTar(name string, reader *tar.Reader) (*filetree.FileTree, error) {
tree := filetree.NewFileTree()
tree.Name = name
fileInfos, err := getFileList(reader)
if err != nil {
return nil, err
}
for _, element := range fileInfos {
tree.FileSize += uint64(element.Size)
_, _, err := tree.AddPath(element.Path, element)
if err != nil {
return nil, err
}
}
return tree, nil
}
func getFileList(tarReader *tar.Reader) ([]filetree.FileInfo, error) {
var files []filetree.FileInfo
for {
header, err := tarReader.Next()
if err == io.EOF {
break
} else if err != nil {
return nil, err
}
name := header.Name
switch header.Typeflag {
case tar.TypeXGlobalHeader:
return nil, fmt.Errorf("unexptected tar file: (XGlobalHeader): type=%v name=%s", header.Typeflag, name)
case tar.TypeXHeader:
return nil, fmt.Errorf("unexptected tar file (XHeader): type=%v name=%s", header.Typeflag, name)
default:
files = append(files, filetree.NewFileInfoFromTarHeader(tarReader, header, name))
}
}
return files, nil
}
func (img *ImageArchive) ToImage() (*image.Image, error) {
trees := make([]*filetree.FileTree, 0)
// build the content tree
for _, treeName := range img.manifest.LayerTarPaths {
tr, exists := img.layerMap[treeName]
if exists {
trees = append(trees, tr)
continue
}
return nil, fmt.Errorf("could not find '%s' in parsed layers", treeName)
}
// build the layers array
layers := make([]*image.Layer, 0)
// note that the resolver config stores images in reverse chronological order, so iterate backwards through layers
// as you iterate chronologically through history (ignoring history items that have no layer contents)
// Note: history is not required metadata in a docker image!
histIdx := 0
for idx, tree := range trees {
// ignore empty layers, we are only observing layers with content
historyObj := historyEntry{
CreatedBy: "(missing)",
}
for nextHistIdx := histIdx; nextHistIdx < len(img.config.History); nextHistIdx++ {
if !img.config.History[nextHistIdx].EmptyLayer {
histIdx = nextHistIdx
break
}
}
if histIdx < len(img.config.History) && !img.config.History[histIdx].EmptyLayer {
historyObj = img.config.History[histIdx]
histIdx++
}
historyObj.Size = tree.FileSize
dockerLayer := layer{
history: historyObj,
index: idx,
tree: tree,
}
layers = append(layers, dockerLayer.ToLayer())
}
return &image.Image{
Trees: trees,
Layers: layers,
}, nil
}

43
dive/image/docker/image_archive_analysis_test.go Normal file
View File

@ -0,0 +1,43 @@
package docker
import (
"testing"
)
func Test_Analysis(t *testing.T) {
table := map[string]struct {
efficiency float64
sizeBytes uint64
userSizeBytes uint64
wastedBytes uint64
wastedPercent float64
path string
}{
"docker-image": {0.9844212134184309, 1220598, 66237, 32025, 0.4834911001404049, "../../../.data/test-docker-image.tar"},
}
for name, test := range table {
result := TestAnalysisFromArchive(t, test.path)
if result.SizeBytes != test.sizeBytes {
t.Errorf("%s.%s: expected sizeBytes=%v, got %v", t.Name(), name, test.sizeBytes, result.SizeBytes)
}
if result.UserSizeByes != test.userSizeBytes {
t.Errorf("%s.%s: expected userSizeBytes=%v, got %v", t.Name(), name, test.userSizeBytes, result.UserSizeByes)
}
if result.WastedBytes != test.wastedBytes {
t.Errorf("%s.%s: expected wasterBytes=%v, got %v", t.Name(), name, test.wastedBytes, result.WastedBytes)
}
if result.WastedUserPercent != test.wastedPercent {
t.Errorf("%s.%s: expected wastedPercent=%v, got %v", t.Name(), name, test.wastedPercent, result.WastedUserPercent)
}
if result.Efficiency != test.efficiency {
t.Errorf("%s.%s: expected efficiency=%v, got %v", t.Name(), name, test.efficiency, result.Efficiency)
}
}
}

91
dive/image/docker/layer.go
View File

@ -1,95 +1,30 @@
package docker
import (
"fmt"
"github.com/wagoodman/dive/dive/image"
"strings"
"github.com/dustin/go-humanize"
"github.com/wagoodman/dive/dive/filetree"
)
// Layer represents a Docker image layer and metadata
type dockerLayer struct {
tarPath string
history imageHistoryEntry
type layer struct {
history historyEntry
index int
tree *filetree.FileTree
}
type imageHistoryEntry struct {
ID string
Size uint64
Created string `json:"created"`
Author string `json:"author"`
CreatedBy string `json:"created_by"`
EmptyLayer bool `json:"empty_layer"`
}
// ShortId returns the truncated id of the current layer.
func (layer *dockerLayer) TarId() string {
return strings.TrimSuffix(layer.tarPath, "/layer.tar")
}
// ShortId returns the truncated id of the current layer.
func (layer *dockerLayer) Id() string {
return layer.history.ID
}
// index returns the relative position of the layer within the image.
func (layer *dockerLayer) Index() int {
return layer.index
}
// Size returns the number of bytes that this image is.
func (layer *dockerLayer) Size() uint64 {
return layer.history.Size
}
// Tree returns the file tree representing the current layer.
func (layer *dockerLayer) Tree() *filetree.FileTree {
return layer.tree
}
// ShortId returns the truncated id of the current layer.
func (layer *dockerLayer) Command() string {
return strings.TrimPrefix(layer.history.CreatedBy, "/bin/sh -c ")
}
// ShortId returns the truncated id of the current layer.
func (layer *dockerLayer) ShortId() string {
rangeBound := 15
id := layer.Id()
if length := len(id); length < 15 {
rangeBound = length
}
id = id[0:rangeBound]
// show the tagged image as the last layer
// if len(layer.History.Tags) > 0 {
// id = "[" + strings.Join(layer.History.Tags, ",") + "]"
// }
return id
}
func (layer *dockerLayer) StringFormat() string {
return image.LayerFormat
}
// String represents a layer in a columnar format.
func (layer *dockerLayer) String() string {
if layer.index == 0 {
return fmt.Sprintf(image.LayerFormat,
// layer.ShortId(),
// fmt.Sprintf("%d",layer.Index()),
humanize.Bytes(layer.Size()),
"FROM "+layer.ShortId())
func (l *layer) ToLayer() *image.Layer {
id := strings.Split(l.tree.Name, "/")[0]
return &image.Layer{
Id: id,
Index: l.index,
Command: strings.TrimPrefix(l.history.CreatedBy, "/bin/sh -c "),
Size: l.history.Size,
Tree: l.tree,
// todo: query docker api for tags
Names: []string{"(unavailable)"},
Digest: l.history.ID,
}
return fmt.Sprintf(image.LayerFormat,
// layer.ShortId(),
// fmt.Sprintf("%d",layer.Index()),
humanize.Bytes(layer.Size()),
layer.Command())
}

6
dive/image/docker/image_manifest.go → dive/image/docker/manifest.go
View File

@ -5,14 +5,14 @@ import (
"github.com/sirupsen/logrus"
)
type imageManifest struct {
type manifest struct {
ConfigPath string `json:"Config"`
RepoTags []string `json:"RepoTags"`
LayerTarPaths []string `json:"Layers"`
}
func newDockerImageManifest(manifestBytes []byte) imageManifest {
var manifest []imageManifest
func newManifest(manifestBytes []byte) manifest {
var manifest []manifest
err := json.Unmarshal(manifestBytes, &manifest)
if err != nil {
logrus.Panic(err)

102
dive/image/docker/resolver.go Normal file
View File

@ -0,0 +1,102 @@
package docker
import (
"fmt"
"github.com/wagoodman/dive/dive/image"
"io"
"net/http"
"os"
"strings"
"github.com/docker/cli/cli/connhelper"
"github.com/docker/docker/client"
"golang.org/x/net/context"
)
type resolver struct{}
func NewResolver() *resolver {
return &resolver{}
}
func (r *resolver) Fetch(id string) (*image.Image, error) {
reader, err := r.fetchArchive(id)
if err != nil {
return nil, err
}
defer reader.Close()
img, err := NewImageArchive(reader)
if err != nil {
return nil, err
}
return img.ToImage()
}
func (r *resolver) Build(args []string) (*image.Image, error) {
id, err := buildImageFromCli(args)
if err != nil {
return nil, err
}
return r.Fetch(id)
}
func (r *resolver) fetchArchive(id string) (io.ReadCloser, error) {
var err error
var dockerClient *client.Client
// pull the resolver if it does not exist
ctx := context.Background()
host := os.Getenv("DOCKER_HOST")
var clientOpts []client.Opt
switch strings.Split(host, ":")[0] {
case "ssh":
helper, err := connhelper.GetConnectionHelper(host)
if err != nil {
fmt.Println("docker host", err)
}
clientOpts = append(clientOpts, func(c *client.Client) error {
httpClient := &http.Client{
Transport: &http.Transport{
DialContext: helper.Dialer,
},
}
return client.WithHTTPClient(httpClient)(c)
})
clientOpts = append(clientOpts, client.WithHost(helper.Host))
clientOpts = append(clientOpts, client.WithDialContext(helper.Dialer))
default:
if os.Getenv("DOCKER_TLS_VERIFY") != "" && os.Getenv("DOCKER_CERT_PATH") == "" {
os.Setenv("DOCKER_CERT_PATH", "~/.docker")
}
clientOpts = append(clientOpts, client.FromEnv)
}
clientOpts = append(clientOpts, client.WithAPIVersionNegotiation())
dockerClient, err = client.NewClientWithOpts(clientOpts...)
if err != nil {
return nil, err
}
_, _, err = dockerClient.ImageInspectWithRaw(ctx, id)
if err != nil {
// don't use the API, the CLI has more informative output
fmt.Println("Handler not available locally. Trying to pull '" + id + "'...")
err = runDockerCmd("pull", id)
if err != nil {
return nil, err
}
}
readCloser, err := dockerClient.ImageSave(ctx, []string{id})
if err != nil {
return nil, err
}
return readCloser, nil
}

29
dive/image/docker/testing.go
View File

@ -3,18 +3,33 @@ package docker
import (
"github.com/wagoodman/dive/dive/image"
"os"
"testing"
)
func TestLoadDockerImageTar(tarPath string) (*image.AnalysisResult, error) {
func TestLoadArchive(tarPath string) (*ImageArchive, error) {
f, err := os.Open(tarPath)
if err != nil {
return nil, err
}
defer f.Close()
analyzer := NewImageAnalyzer("dive-test:latest")
err = analyzer.Parse(f)
if err != nil {
return nil, err
}
return analyzer.Analyze()
return NewImageArchive(f)
}
func TestAnalysisFromArchive(t *testing.T, path string) *image.AnalysisResult {
archive, err := TestLoadArchive(path)
if err != nil {
t.Fatalf("unable to fetch archive: %v", err)
}
img, err := archive.ToImage()
if err != nil {
t.Fatalf("unable to convert to image: %v", err)
}
result, err := img.Analyze()
if err != nil {
t.Fatalf("unable to analyze: %v", err)
}
return result
}

39
dive/image/image.go Normal file
View File

@ -0,0 +1,39 @@
package image
import (
"github.com/wagoodman/dive/dive/filetree"
)
type Image struct {
Trees []*filetree.FileTree
Layers []*Layer
}
func (img *Image) Analyze() (*AnalysisResult, error) {
efficiency, inefficiencies := filetree.Efficiency(img.Trees)
var sizeBytes, userSizeBytes uint64
for i, v := range img.Layers {
sizeBytes += v.Size
if i != 0 {
userSizeBytes += v.Size
}
}
var wastedBytes uint64
for _, file := range inefficiencies {
wastedBytes += uint64(file.CumulativeSize)
}
return &AnalysisResult{
Layers: img.Layers,
RefTrees: img.Trees,
Efficiency: efficiency,
UserSizeByes: userSizeBytes,
SizeBytes: sizeBytes,
WastedBytes: wastedBytes,
WastedUserPercent: float64(wastedBytes) / float64(userSizeBytes),
Inefficiencies: inefficiencies,
}, nil
}

40
dive/image/layer.go
View File

@ -1,6 +1,8 @@
package image
import (
"fmt"
"github.com/dustin/go-humanize"
"github.com/wagoodman/dive/dive/filetree"
)
@ -8,12 +10,34 @@ const (
LayerFormat = "%7s %s"
)
type Layer interface {
Id() string
ShortId() string
Index() int
Command() string
Size() uint64
Tree() *filetree.FileTree
String() string
type Layer struct {
Id string
Index int
Command string
Size uint64
Tree *filetree.FileTree
Names []string
Digest string
}
func (l *Layer) ShortId() string {
rangeBound := 15
id := l.Id
if length := len(id); length < 15 {
rangeBound = length
}
id = id[0:rangeBound]
return id
}
func (l *Layer) String() string {
if l.Index == 0 {
return fmt.Sprintf(LayerFormat,
humanize.Bytes(l.Size),
"FROM "+l.ShortId())
}
return fmt.Sprintf(LayerFormat,
humanize.Bytes(l.Size),
l.Command)
}

29
dive/image/podman/build.go Normal file
View File

@ -0,0 +1,29 @@
// +build linux
package podman
import (
"io/ioutil"
"os"
)
func buildImageFromCli(buildArgs []string) (string, error) {
iidfile, err := ioutil.TempFile("/tmp", "dive.*.iid")
if err != nil {
return "", err
}
defer os.Remove(iidfile.Name())
allArgs := append([]string{"--iidfile", iidfile.Name()}, buildArgs...)
err = runPodmanCmd("build", allArgs...)
if err != nil {
return "", err
}
imageId, err := ioutil.ReadFile(iidfile.Name())
if err != nil {
return "", err
}
return string(imageId), nil
}

33
dive/image/podman/cli.go Normal file
View File

@ -0,0 +1,33 @@
// +build linux
package podman
import (
"fmt"
"github.com/wagoodman/dive/utils"
"os"
"os/exec"
)
// runPodmanCmd runs a given Podman command in the current tty
func runPodmanCmd(cmdStr string, args ...string) error {
if !isPodmanClientBinaryAvailable() {
return fmt.Errorf("cannot find podman client executable")
}
allArgs := utils.CleanArgs(append([]string{cmdStr}, args...))
cmd := exec.Command("podman", allArgs...)
cmd.Env = os.Environ()
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Stdin = os.Stdin
return cmd.Run()
}
func isPodmanClientBinaryAvailable() bool {
_, err := exec.LookPath("podman")
return err == nil
}

128
dive/image/podman/image_directory.go Normal file
View File

@ -0,0 +1,128 @@
// +build linux
package podman
import (
"context"
"fmt"
podmanImage "github.com/containers/libpod/libpod/image"
"github.com/wagoodman/dive/dive/filetree"
"github.com/wagoodman/dive/dive/image"
"os"
"path/filepath"
"strings"
)
type ImageDirectoryRef struct {
layerOrder []string
treeMap map[string]*filetree.FileTree
layerMap map[string]*podmanImage.Image
}
func NewImageDirectoryRef(img *podmanImage.Image) (*ImageDirectoryRef, error) {
imgDirRef := &ImageDirectoryRef{
layerOrder: make([]string, 0),
treeMap: make(map[string]*filetree.FileTree),
layerMap: make(map[string]*podmanImage.Image),
}
ctx := context.TODO()
curImg := img
for {
driver, err := curImg.DriverData()
if err != nil {
return nil, fmt.Errorf("graph driver error: %+v", err)
}
if driver.Name != "overlay" {
return nil, fmt.Errorf("unsupported graph driver: %s", driver.Name)
}
rootDir, exists := driver.Data["UpperDir"]
if !exists {
return nil, fmt.Errorf("graph has no upper dir")
}
if _, err := os.Stat(rootDir); os.IsNotExist(err) {
return nil, fmt.Errorf("graph root dir does not exist: %s", rootDir)
}
// build tree from directory...
tree, err := processLayer(curImg.ID(), rootDir)
if err != nil {
return nil, err
}
// record the tree and layer info
imgDirRef.treeMap[curImg.ID()] = tree
imgDirRef.layerMap[curImg.ID()] = curImg
imgDirRef.layerOrder = append([]string{curImg.ID()}, imgDirRef.layerOrder...)
// continue to the next image
curImg, err = curImg.GetParent(ctx)
if err != nil || curImg == nil {
break
}
}
return imgDirRef, nil
}
func processLayer(name, rootDir string) (*filetree.FileTree, error) {
tree := filetree.NewFileTree()
tree.Name = name
err := filepath.Walk(rootDir, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
// add this file to the tree...
relativeImagePath := "/" + strings.TrimPrefix(strings.TrimPrefix(path, rootDir), "/")
fileInfo := filetree.NewFileInfo(path, relativeImagePath, info)
tree.FileSize += uint64(fileInfo.Size)
_, _, err = tree.AddPath(fileInfo.Path, fileInfo)
if err != nil {
return err
}
return nil
})
if err != nil {
return nil, fmt.Errorf("unable to walk upper directory tree")
}
return tree, nil
}
func (img *ImageDirectoryRef) ToImage() (*image.Image, error) {
trees := make([]*filetree.FileTree, 0)
layers := make([]*image.Layer, 0)
// build the content tree
for layerIdx, id := range img.layerOrder {
tr, exists := img.treeMap[id]
if !exists {
return nil, fmt.Errorf("could not find '%s' in parsed trees", id)
}
trees = append(trees, tr)
// note that the resolver config stores images in reverse chronological order, so iterate backwards through layers
// as you iterate chronologically through history (ignoring history items that have no layer contents)
// Note: history is not required metadata in an OCI image!
podmanLayer := layer{
obj: img.layerMap[id],
index: layerIdx,
tree: trees[layerIdx],
}
layers = append(layers, podmanLayer.ToLayer())
}
return &image.Image{
Trees: trees,
Layers: layers,
}, nil
}

78
dive/image/podman/layer.go Normal file
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@ -0,0 +1,78 @@
// +build linux
package podman
import (
"context"
"fmt"
podmanImage "github.com/containers/libpod/libpod/image"
"github.com/wagoodman/dive/dive/filetree"
"github.com/wagoodman/dive/dive/image"
"strings"
)
// Layer represents a Docker image layer and metadata
type layer struct {
obj *podmanImage.Image
history *podmanImage.History
index int
tree *filetree.FileTree
}
func (l *layer) getHistory() (*podmanImage.History, error) {
if l.history != nil {
return l.history, nil
}
history, err := l.obj.History(context.TODO())
if err != nil {
return nil, err
}
if len(history) > 0 {
l.history = history[0]
return history[0], nil
}
return nil, fmt.Errorf("could not find history")
}
func (l *layer) Size() uint64 {
history, err := l.getHistory()
if err != nil {
// todo: what should be done here???
panic(err)
}
return uint64(history.Size)
}
// ShortId returns the truncated id of the current layer.
func (l *layer) Command() string {
history, err := l.getHistory()
if err != nil {
return "error: " + err.Error()
}
return strings.TrimPrefix(history.CreatedBy, "/bin/sh -c ")
}
// ShortId returns the truncated id of the current layer.
func (l *layer) ShortId() string {
rangeBound := 15
id := l.obj.ID()
if length := len(id); length < 15 {
rangeBound = length
}
id = id[0:rangeBound]
return id
}
// String represents a layer in a columnar format.
func (l *layer) ToLayer() *image.Layer {
return &image.Layer{
Id: l.obj.ID(),
Index: l.index,
Command: l.Command(),
Size: l.Size(),
Tree: l.tree,
Names: l.obj.Names(),
Digest: l.obj.Digest().String(),
}
}

130
dive/image/podman/resolver_linux.go Normal file
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@ -0,0 +1,130 @@
package podman
import (
"bufio"
"context"
"fmt"
"github.com/containers/libpod/libpod"
"github.com/wagoodman/dive/dive/image"
"github.com/wagoodman/dive/dive/image/docker"
"io/ioutil"
"os"
)
type resolver struct{}
func NewResolver() *resolver {
return &resolver{}
}
func (r *resolver) Build(args []string) (*image.Image, error) {
id, err := buildImageFromCli(args)
if err != nil {
return nil, err
}
return r.Fetch(id)
}
func (r *resolver) Fetch(id string) (*image.Image, error) {
// todo: there are still a number of bugs remaining with this approach --stick with the docker archive for now
// img, err := r.resolveFromDisk(id)
// if err == nil {
// return img, err
// }
img, err := r.resolveFromDockerArchive(id)
if err == nil {
return img, err
}
return nil, fmt.Errorf("unable to resolve image '%s'", id)
}
// func (r *resolver) resolveFromDisk(id string) (*image.Image, error) {
// var img *ImageDirectoryRef
// var err error
//
// runtime, err := libpod.NewRuntime(context.TODO())
// if err != nil {
// return nil, err
// }
//
// images, err := runtime.ImageRuntime().GetImages()
// if err != nil {
// return nil, err
// }
//
// ImageLoop:
// for _, candidateImage := range images {
// for _, name := range candidateImage.Names() {
// if name == id {
// img, err = NewImageDirectoryRef(candidateImage)
// if err != nil {
// return nil, err
// }
// break ImageLoop
// }
// }
// }
//
// if img == nil {
// return nil, fmt.Errorf("could not find image by name: '%s'", id)
// }
//
// return img.ToImage()
// }
func (r *resolver) resolveFromDockerArchive(id string) (*image.Image, error) {
path, err := r.fetchDockerArchive(id)
if err != nil {
return nil, err
}
defer os.Remove(path)
file, err := os.Open(path)
if err != nil {
return nil, err
}
defer file.Close()
img, err := docker.NewImageArchive(ioutil.NopCloser(bufio.NewReader(file)))
if err != nil {
return nil, err
}
return img.ToImage()
}
func (r *resolver) fetchDockerArchive(id string) (string, error) {
var err error
var ctx = context.Background()
runtime, err := libpod.NewRuntime(ctx)
if err != nil {
return "", err
}
images, err := runtime.ImageRuntime().GetImages()
if err != nil {
return "", err
}
for _, item := range images {
for _, name := range item.Names() {
if name == id {
file, err := ioutil.TempFile(os.TempDir(), "dive-resolver-tar")
if err != nil {
return "", err
}
err = item.Save(ctx, "dive-export", "docker-archive", file.Name(), []string{}, false, false)
if err != nil {
return "", err
}
return file.Name(), nil
}
}
}
return "", fmt.Errorf("image could not be found")
}

22
dive/image/podman/resolver_notlinux.go Normal file
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@ -0,0 +1,22 @@
// +build !linux
package podman
import (
"fmt"
"github.com/wagoodman/dive/dive/image"
)
type resolver struct{}
func NewResolver() *resolver {
return &resolver{}
}
func (r *resolver) Build(args []string) (*image.Image, error) {
return nil, fmt.Errorf("unsupported platform")
}
func (r *resolver) Fetch(id string) (*image.Image, error) {
return nil, fmt.Errorf("unsupported platform")
}

6
dive/image/resolver.go Normal file
View File

@ -0,0 +1,6 @@
package image
type Resolver interface {
Fetch(id string) (*Image, error)
Build(options []string) (*Image, error)
}

28
go.mod
View File

@ -3,58 +3,42 @@ module github.com/wagoodman/dive
go 1.13
require (
github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 // indirect
github.com/14rcole/gopopulate v0.0.0-20180821133914-b175b219e774 // indirect
github.com/Microsoft/go-winio v0.4.14 // indirect
github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 // indirect
github.com/cespare/xxhash v1.1.0
github.com/containers/libpod v1.6.1
github.com/docker/cli v0.0.0-20190906153656-016a3232168d
github.com/docker/distribution v2.7.1+incompatible // indirect
github.com/docker/docker v0.0.0-20181126153310-0b7cb16dde4a20d024c7be59801d63bcfd18611b
github.com/docker/go-connections v0.4.0 // indirect
github.com/docker/go-units v0.4.0 // indirect
github.com/docker/docker v0.7.3-0.20190309235953-33c3200e0d16
github.com/dustin/go-humanize v1.0.0
github.com/elazarl/goproxy/ext v0.0.0-20190911111923-ecfe977594f1 // indirect
github.com/fatih/color v1.7.0
github.com/gogo/protobuf v1.3.0 // indirect
github.com/golang/lint v0.0.0-20180702182130-06c8688daad7 // indirect
github.com/golangci/golangci-lint v1.17.1 // indirect
github.com/google/uuid v1.1.1
github.com/gorilla/context v1.1.1 // indirect
github.com/gorilla/mux v1.6.2 // indirect
github.com/jroimartin/gocui v0.4.0
github.com/k0kubun/go-ansi v0.0.0-20180517002512-3bf9e2903213 // indirect
github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
github.com/logrusorgru/aurora v0.0.0-20190803045625-94edacc10f9b
github.com/lunixbochs/vtclean v1.0.0
github.com/magiconair/properties v1.8.1 // indirect
github.com/mattn/go-colorable v0.1.2 // indirect
github.com/mattn/go-isatty v0.0.9 // indirect
github.com/mattn/go-runewidth v0.0.4 // indirect
github.com/mitchellh/go-homedir v1.1.0
github.com/morikuni/aec v1.0.0 // indirect
github.com/nsf/termbox-go v0.0.0-20190817171036-93860e161317 // indirect
github.com/opencontainers/go-digest v1.0.0-rc1 // indirect
github.com/opencontainers/image-spec v1.0.1 // indirect
github.com/pelletier/go-toml v1.4.0 // indirect
github.com/phayes/permbits v0.0.0-20190612203442-39d7c581d2ee
github.com/sergi/go-diff v1.0.0
github.com/sirupsen/logrus v1.4.2
github.com/spf13/afero v1.2.2 // indirect
github.com/spf13/cobra v0.0.5
github.com/spf13/jwalterweatherman v1.1.0 // indirect
github.com/spf13/viper v1.4.0
github.com/wagoodman/keybinding v0.0.0-20181213133715-6a824da6df05
golang.org/x/crypto v0.0.0-20190907121410-71b5226ff739 // indirect
golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297
golang.org/x/sys v0.0.0-20190907184412-d223b2b6db03 // indirect
golang.org/x/text v0.3.2 // indirect
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8
gotest.tools v2.2.0+incompatible // indirect
)
// related to an invalid pseudo version in github.com/docker/distribution@v0.0.0-20181126153310-93e082742a009850ac46962150b2f652a822c5ff
replace github.com/docker/distribution => github.com/docker/distribution v2.7.0-rc.0.0.20181024170156-93e082742a00+incompatible
// related to an invalid pseudo version in github.com/docker/distribution@v0.0.0-20181126153310-93e082742a009850ac46962150b2f652a822c5ff
replace github.com/docker/docker => github.com/docker/docker v1.4.2-0.20181124105010-0b7cb16dde4a
replace github.com/docker/docker => github.com/docker/engine v0.0.0-20190822205725-ed20165a37b4
// relates to https://github.com/golangci/golangci-lint/issues/581
replace github.com/go-critic/go-critic => github.com/go-critic/go-critic v0.3.5-0.20190526074819-1df300866540

615
go.sum
View File

@ -1,208 +1,296 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.40.0/go.mod h1:Tk58MuI9rbLMKlAjeO/bDnteAx7tX2gJIXw4T5Jwlro=
github.com/14rcole/gopopulate v0.0.0-20180821133914-b175b219e774 h1:SCbEWT58NSt7d2mcFdvxC9uyrdcTfvBbPLThhkDmXzg=
github.com/14rcole/gopopulate v0.0.0-20180821133914-b175b219e774/go.mod h1:6/0dYRLLXyJjbkIPeeGyoJ/eKOSI0eU6eTlCBYibgd0=
github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
github.com/Azure/go-autorest v11.1.2+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
github.com/Azure/go-autorest v12.1.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/Microsoft/go-winio v0.4.11 h1:zoIOcVf0xPN1tnMVbTtEdI+P8OofVk3NObnwOQ6nK2Q=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/DataDog/zstd v1.4.0/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
github.com/Microsoft/go-winio v0.4.11/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
github.com/Microsoft/go-winio v0.4.12/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
github.com/Microsoft/go-winio v0.4.14 h1:+hMXMk01us9KgxGb7ftKQt2Xpf5hH/yky+TDA+qxleU=
github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
github.com/Microsoft/hcsshim v0.8.6 h1:ZfF0+zZeYdzMIVMZHKtDKJvLHj76XCuVae/jNkjj0IA=
github.com/Microsoft/hcsshim v0.8.6/go.mod h1:Op3hHsoHPAvb6lceZHDtd9OkTew38wNoXnJs8iY7rUg=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 h1:TngWCqHvy9oXAN6lEVMRuU21PR1EtLVZJmdB18Gu3Rw=
github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5/go.mod h1:lmUJ/7eu/Q8D7ML55dXQrVaamCz2vxCfdQBasLZfHKk=
github.com/OneOfOne/xxhash v1.2.2 h1:KMrpdQIwFcEqXDklaen+P1axHaj9BSKzvpUUfnHldSE=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/OpenPeeDeeP/depguard v0.0.0-20180806142446-a69c782687b2 h1:HTOmFEEYrWi4MW5ZKUx6xfeyM10Sx3kQF65xiQJMPYA=
github.com/OpenPeeDeeP/depguard v0.0.0-20180806142446-a69c782687b2/go.mod h1:7/4sitnI9YlQgTLLk734QlzXT8DuHVnAyztLplQjk+o=
github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
github.com/VividCortex/ewma v1.1.1 h1:MnEK4VOv6n0RSY4vtRe3h11qjxL3+t0B8yOL8iMXdcM=
github.com/VividCortex/ewma v1.1.1/go.mod h1:2Tkkvm3sRDVXaiyucHiACn4cqf7DpdyLvmxzcbUokwA=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alexflint/go-filemutex v0.0.0-20171022225611-72bdc8eae2ae/go.mod h1:CgnQgUtFrFz9mxFNtED3jI5tLDjKlOM+oUF/sTk6ps0=
github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/blang/semver v3.5.0+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
github.com/blang/semver v3.5.1+incompatible h1:cQNTCjp13qL8KC3Nbxr/y2Bqb63oX6wdnnjpJbkM4JQ=
github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
github.com/buger/goterm v0.0.0-20181115115552-c206103e1f37/go.mod h1:u9UyCz2eTrSGy6fbupqJ54eY5c4IC8gREQ1053dK12U=
github.com/buger/jsonparser v0.0.0-20180808090653-f4dd9f5a6b44/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
github.com/checkpoint-restore/go-criu v0.0.0-20190109184317-bdb7599cd87b h1:T4nWG1TXIxeor8mAu5bFguPJgSIGhZqv/f0z55KCrJM=
github.com/checkpoint-restore/go-criu v0.0.0-20190109184317-bdb7599cd87b/go.mod h1:TrMrLQfeENAPYPRsJuq3jsqdlRh3lvi6trTZJG8+tho=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/containerd/console v0.0.0-20181022165439-0650fd9eeb50/go.mod h1:Tj/on1eG8kiEhd0+fhSDzsPAFESxzBBvdyEgyryXffw=
github.com/containerd/continuity v0.0.0-20180814194400-c7c5070e6f6e/go.mod h1:GL3xCUCBDV3CZiTSEKksMWbLE66hEyuu9qyDOOqM47Y=
github.com/containerd/continuity v0.0.0-20181203112020-004b46473808/go.mod h1:GL3xCUCBDV3CZiTSEKksMWbLE66hEyuu9qyDOOqM47Y=
github.com/containerd/continuity v0.0.0-20190426062206-aaeac12a7ffc h1:TP+534wVlf61smEIq1nwLLAjQVEK2EADoW3CX9AuT+8=
github.com/containerd/continuity v0.0.0-20190426062206-aaeac12a7ffc/go.mod h1:GL3xCUCBDV3CZiTSEKksMWbLE66hEyuu9qyDOOqM47Y=
github.com/containernetworking/cni v0.7.0/go.mod h1:LGwApLUm2FpoOfxTDEeq8T9ipbpZ61X79hmU3w8FmsY=
github.com/containernetworking/cni v0.7.1 h1:fE3r16wpSEyaqY4Z4oFrLMmIGfBYIKpPrHK31EJ9FzE=
github.com/containernetworking/cni v0.7.1/go.mod h1:LGwApLUm2FpoOfxTDEeq8T9ipbpZ61X79hmU3w8FmsY=
github.com/containernetworking/plugins v0.8.2 h1:5lnwfsAYO+V7yXhysJKy3E1A2Gy9oVut031zfdOzI9w=
github.com/containernetworking/plugins v0.8.2/go.mod h1:TxALKWZpWL79BC3GOYKJzzXr7U8R23PdhwaLp6F3adc=
github.com/containers/buildah v1.11.2 h1:U6Abrp1J7H19vHvhqIran4Xvw+Z3WIqMM86fIt9L7Qk=
github.com/containers/buildah v1.11.2/go.mod h1:CtnP3vsLiU3xgKvkhdb4b0IzYwXNzHRv3ezl4z+RPC0=
github.com/containers/conmon v0.3.0/go.mod h1:hgwZ2mtuDrppv78a/cOBNiCm6O0UMWGx1mu7P00nu5I=
github.com/containers/image v3.0.2+incompatible h1:B1lqAE8MUPCrsBLE86J0gnXleeRq8zJnQryhiiGQNyE=
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@ -211,229 +299,390 @@ github.com/mattn/go-runewidth v0.0.3 h1:a+kO+98RDGEfo6asOGMmpodZq4FNtnGP54yps8Bz
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github.com/spf13/jwalterweatherman v1.1.0/go.mod h1:aNWZUN0dPAAO/Ljvb5BEdw96iTZ0EXowPYD95IqWIGo=
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github.com/valyala/fasthttp v1.2.0/go.mod h1:4vX61m6KN+xDduDNwXrhIAVZaZaZiQ1luJk8LWSxF3s=
github.com/valyala/quicktemplate v1.1.1/go.mod h1:EH+4AkTd43SvgIbQHYu59/cJyxDoOVRUAfrukLPuGJ4=
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github.com/urfave/cli v1.21.0/go.mod h1:lxDj6qX9Q6lWQxIrbrT0nwecwUtRnhVZAJjJZrVUZZQ=
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github.com/vbatts/tar-split v0.11.1 h1:0Odu65rhcZ3JZaPHxl7tCI3V/C/Q9Zf82UFravl02dE=
github.com/vbatts/tar-split v0.11.1/go.mod h1:LEuURwDEiWjRjwu46yU3KVGuUdVv/dcnpcEPSzR8z6g=
github.com/vbauerster/mpb v3.4.0+incompatible h1:mfiiYw87ARaeRW6x5gWwYRUawxaW1tLAD8IceomUCNw=
github.com/vbauerster/mpb v3.4.0+incompatible/go.mod h1:zAHG26FUhVKETRu+MWqYXcI70POlC6N8up9p1dID7SU=
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github.com/vishvananda/netlink v1.0.0/go.mod h1:+SR5DhBJrl6ZM7CoCKvpw5BKroDKQ+PJqOg65H/2ktk=
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github.com/vishvananda/netns v0.0.0-20190625233234-7109fa855b0f/go.mod h1:ZjcWmFBXmLKZu9Nxj3WKYEafiSqer2rnvPr0en9UNpI=
github.com/wagoodman/keybinding v0.0.0-20181213133715-6a824da6df05 h1:YMcRwVDe8DLDZ/vrhuImCfqjjG/+gZs6SF61DDQkL/8=
github.com/wagoodman/keybinding v0.0.0-20181213133715-6a824da6df05/go.mod h1:gXFkc2sM2o06uzn5Lgo6Ql76uweGdxNfeAlFyKiHAdk=
github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f h1:J9EGpcZtP0E/raorCMxlFGSTBrsSlaDGf3jU/qvAE2c=
github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 h1:EzJWgHovont7NscjpAxXsDA8S8BMYve8Y5+7cuRE7R0=
github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
github.com/xeipuuv/gojsonschema v1.1.0 h1:ngVtJC9TY/lg0AA/1k48FYhBrhRoFlEmWzsehpNAaZg=
github.com/xeipuuv/gojsonschema v1.1.0/go.mod h1:5yf86TLmAcydyeJq5YvxkGPE2fm/u4myDekKRoLuqhs=
github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
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go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
golang.org/x/crypto v0.0.0-20180820150726-614d502a4dac/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20181112202954-3d3f9f413869 h1:kkXA53yGe04D0adEYJwEVQjeBppL01Exg+fnMjfUraU=
golang.org/x/crypto v0.0.0-20181112202954-3d3f9f413869/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20181009213950-7c1a557ab941/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20181025213731-e84da0312774/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a h1:YX8ljsm6wXlHZO+aRz9Exqr0evNhKRNe5K/gi+zKh4U=
golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190621222207-cc06ce4a13d4 h1:ydJNl0ENAG67pFbB+9tfhiL2pYqLhfoaZFw/cjLhY4A=
golang.org/x/crypto v0.0.0-20190621222207-cc06ce4a13d4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190907121410-71b5226ff739 h1:Gc7JIyxvWgD6m+QmVryY0MstDORNYididDGxgZ6Tnpk=
golang.org/x/crypto v0.0.0-20190907121410-71b5226ff739/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190622003408-7e034cad6442/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/net v0.0.0-20170915142106-8351a756f30f/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
golang.org/x/mobile v0.0.0-20190607214518-6fa95d984e88/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180911220305-26e67e76b6c3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181011144130-49bb7cea24b1/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a h1:gOpx8G595UYyvj8UK4+OFyY4rx037g3fmfhe5SasG3U=
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
gopkg.in/inf.v0 v0.9.0/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
gopkg.in/mgo.v2 v2.0.0-20180705113604-9856a29383ce/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gotest.tools v0.0.0-20190624233834-05ebafbffc79/go.mod h1:R//lfYlUuTOTfblYI3lGoAAAebUdzjvbmQsuB7Ykd90=
gotest.tools v2.1.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
gotest.tools v2.2.0+incompatible h1:VsBPFP1AI068pPrMxtb/S8Zkgf9xEmTLJjfM+P5UIEo=
gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed h1:WX1yoOaKQfddO/mLzdV4wptyWgoH/6hwLs7QHTixo0I=
mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed/go.mod h1:Xkxe497xwlCKkIaQYRfC7CSLworTXY9RMqwhhCm+8Nc=
mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b h1:DxJ5nJdkhDlLok9K6qO+5290kphDJbHOQO1DFFFTeBo=
mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b/go.mod h1:2odslEg/xrtNQqCYg2/jCoyKnw3vv5biOc3JnIcYfL4=
mvdan.cc/unparam v0.0.0-20190124213536-fbb59629db34 h1:B1LAOfRqg2QUyCdzfjf46quTSYUTAK5OCwbh6pljHbM=
mvdan.cc/unparam v0.0.0-20190124213536-fbb59629db34/go.mod h1:H6SUd1XjIs+qQCyskXg5OFSrilMRUkD8ePJpHKDPaeY=
mvdan.cc/unparam v0.0.0-20190209190245-fbb59629db34/go.mod h1:H6SUd1XjIs+qQCyskXg5OFSrilMRUkD8ePJpHKDPaeY=
sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4 h1:JPJh2pk3+X4lXAkZIk2RuE/7/FoK9maXw+TNPJhVS/c=
sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
k8s.io/api v0.0.0-20190620084959-7cf5895f2711/go.mod h1:TBhBqb1AWbBQbW3XRusr7n7E4v2+5ZY8r8sAMnyFC5A=
k8s.io/api v0.0.0-20190813020757-36bff7324fb7 h1:4uJOjRn9kWq4AqJRE8+qzmAy+lJd9rh8TY455dNef4U=
k8s.io/api v0.0.0-20190813020757-36bff7324fb7/go.mod h1:3Iy+myeAORNCLgjd/Xu9ebwN7Vh59Bw0vh9jhoX+V58=
k8s.io/apimachinery v0.0.0-20190612205821-1799e75a0719/go.mod h1:I4A+glKBHiTgiEjQiCCQfCAIcIMFGt291SmsvcrFzJA=
k8s.io/apimachinery v0.0.0-20190809020650-423f5d784010 h1:pyoq062NftC1y/OcnbSvgolyZDJ8y4fmUPWMkdA6gfU=
k8s.io/apimachinery v0.0.0-20190809020650-423f5d784010/go.mod h1:Waf/xTS2FGRrgXCkO5FP3XxTOWh0qLf2QhL1qFZZ/R8=
k8s.io/client-go v0.0.0-20181219152756-3dd551c0f083/go.mod h1:7vJpHMYJwNQCWgzmNV+VYUl1zCObLyodBc8nIyt8L5s=
k8s.io/client-go v0.0.0-20190620085101-78d2af792bab h1:E8Fecph0qbNsAbijJJQryKu4Oi9QTp5cVpjTE+nqg6g=
k8s.io/client-go v0.0.0-20190620085101-78d2af792bab/go.mod h1:E95RaSlHr79aHaX0aGSwcPNfygDiPKOVXdmivCIZT0k=
k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
k8s.io/gengo v0.0.0-20190327210449-e17681d19d3a/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
k8s.io/klog v0.3.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
k8s.io/klog v0.3.1/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
k8s.io/klog v0.3.3 h1:niceAagH1tzskmaie/icWd7ci1wbG7Bf2c6YGcQv+3c=
k8s.io/klog v0.3.3/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
k8s.io/kube-openapi v0.0.0-20190228160746-b3a7cee44a30/go.mod h1:BXM9ceUBTj2QnfH2MK1odQs778ajze1RxcmP6S8RVVc=
k8s.io/kube-openapi v0.0.0-20190709113604-33be087ad058/go.mod h1:nfDlWeOsu3pUf4yWGL+ERqohP4YsZcBJXWMK+gkzOA4=
k8s.io/utils v0.0.0-20190221042446-c2654d5206da/go.mod h1:8k8uAuAQ0rXslZKaEWd0c3oVhZz7sSzSiPnVZayjIX0=
k8s.io/utils v0.0.0-20190607212802-c55fbcfc754a h1:2jUDc9gJja832Ftp+QbDV0tVhQHMISFn01els+2ZAcw=
k8s.io/utils v0.0.0-20190607212802-c55fbcfc754a/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=

7
runtime/ci/evaluator_test.go
View File

@ -10,10 +10,7 @@ import (
func Test_Evaluator(t *testing.T) {
result, err := docker.TestLoadDockerImageTar("../../.data/test-docker-image.tar")
if err != nil {
t.Fatalf("Test_Export: unable to fetch analysis: %v", err)
}
result := docker.TestAnalysisFromArchive(t, "../../.data/test-docker-image.tar")
table := map[string]struct {
efficiency string
@ -23,7 +20,7 @@ func Test_Evaluator(t *testing.T) {
expectedResult map[string]RuleStatus
}{
"allFail": {"0.99", "1B", "0.01", false, map[string]RuleStatus{"lowestEfficiency": RuleFailed, "highestWastedBytes": RuleFailed, "highestUserWastedPercent": RuleFailed}},
"allPass": {"0.9", "50kB", "0.1", true, map[string]RuleStatus{"lowestEfficiency": RulePassed, "highestWastedBytes": RulePassed, "highestUserWastedPercent": RulePassed}},
"allPass": {"0.9", "50kB", "0.5", true, map[string]RuleStatus{"lowestEfficiency": RulePassed, "highestWastedBytes": RulePassed, "highestUserWastedPercent": RulePassed}},
"allDisabled": {"disabled", "disabled", "disabled", true, map[string]RuleStatus{"lowestEfficiency": RuleDisabled, "highestWastedBytes": RuleDisabled, "highestUserWastedPercent": RuleDisabled}},
"misconfiguredHigh": {"1.1", "1BB", "10", false, map[string]RuleStatus{"lowestEfficiency": RuleMisconfigured, "highestWastedBytes": RuleMisconfigured, "highestUserWastedPercent": RuleMisconfigured}},
"misconfiguredLow": {"-9", "-1BB", "-0.1", false, map[string]RuleStatus{"lowestEfficiency": RuleMisconfigured, "highestWastedBytes": RuleMisconfigured, "highestUserWastedPercent": RuleMisconfigured}},

63
runtime/export/export.go
View File

@ -2,61 +2,42 @@ package export
import (
"encoding/json"
"github.com/wagoodman/dive/dive/image"
diveImage "github.com/wagoodman/dive/dive/image"
"io/ioutil"
)
type export struct {
Layer []exportLayer `json:"layer"`
Image exportImage `json:"image"`
Layer []layer `json:"layer"`
Image image `json:"image"`
}
type exportLayer struct {
Index int `json:"index"`
DigestID string `json:"digestId"`
SizeBytes uint64 `json:"sizeBytes"`
Command string `json:"command"`
}
type exportImage struct {
SizeBytes uint64 `json:"sizeBytes"`
InefficientBytes uint64 `json:"inefficientBytes"`
EfficiencyScore float64 `json:"efficiencyScore"`
InefficientFiles []exportReferenceFile `json:"exportReferenceFile"`
}
type exportReferenceFile struct {
References int `json:"count"`
SizeBytes uint64 `json:"sizeBytes"`
Path string `json:"file"`
}
func NewExport(analysis *image.AnalysisResult) *export {
data := export{}
data.Layer = make([]exportLayer, len(analysis.Layers))
data.Image.InefficientFiles = make([]exportReferenceFile, len(analysis.Inefficiencies))
func NewExport(analysis *diveImage.AnalysisResult) *export {
data := export{
Layer: make([]layer, len(analysis.Layers)),
Image: image{
InefficientFiles: make([]fileReference, len(analysis.Inefficiencies)),
SizeBytes: analysis.SizeBytes,
EfficiencyScore: analysis.Efficiency,
InefficientBytes: analysis.WastedBytes,
},
}
// export layers in order
for revIdx := len(analysis.Layers) - 1; revIdx >= 0; revIdx-- {
layer := analysis.Layers[revIdx]
idx := (len(analysis.Layers) - 1) - revIdx
data.Layer[idx] = exportLayer{
Index: layer.Index(),
DigestID: layer.Id(),
SizeBytes: layer.Size(),
Command: layer.Command(),
for idx, curLayer := range analysis.Layers {
data.Layer[idx] = layer{
Index: curLayer.Index,
ID: curLayer.Id,
DigestID: curLayer.Digest,
SizeBytes: curLayer.Size,
Command: curLayer.Command,
}
}
data.Image.SizeBytes = analysis.SizeBytes
data.Image.EfficiencyScore = analysis.Efficiency
data.Image.InefficientBytes = analysis.WastedBytes
// add file references
for idx := 0; idx < len(analysis.Inefficiencies); idx++ {
fileData := analysis.Inefficiencies[len(analysis.Inefficiencies)-1-idx]
data.Image.InefficientFiles[idx] = exportReferenceFile{
data.Image.InefficientFiles[idx] = fileReference{
References: len(fileData.Nodes),
SizeBytes: uint64(fileData.CumulativeSize),
Path: fileData.Path,

27
runtime/export/export_test.go
View File

@ -1,16 +1,14 @@
package export
import (
"github.com/sergi/go-diff/diffmatchpatch"
"github.com/wagoodman/dive/dive/image/docker"
"testing"
)
func Test_Export(t *testing.T) {
result := docker.TestAnalysisFromArchive(t, "../../.data/test-docker-image.tar")
result, err := docker.TestLoadDockerImageTar("../../.data/test-docker-image.tar")
if err != nil {
t.Fatalf("Test_Export: unable to fetch analysis: %v", err)
}
export := NewExport(result)
payload, err := export.marshal()
if err != nil {
@ -21,84 +19,98 @@ func Test_Export(t *testing.T) {
"layer": [
{
"index": 0,
"id": "28cfe03618aa2e914e81fdd90345245c15f4478e35252c06ca52d238fd3cc694",
"digestId": "sha256:23bc2b70b2014dec0ac22f27bb93e9babd08cdd6f1115d0c955b9ff22b382f5a",
"sizeBytes": 1154361,
"command": "#(nop) ADD file:ce026b62356eec3ad1214f92be2c9dc063fe205bd5e600be3492c4dfb17148bd in / "
},
{
"index": 1,
"id": "1871059774abe6914075e4a919b778fa1561f577d620ae52438a9635e6241936",
"digestId": "sha256:a65b7d7ac139a0e4337bc3c73ce511f937d6140ef61a0108f7d4b8aab8d67274",
"sizeBytes": 6405,
"command": "#(nop) ADD file:139c3708fb6261126453e34483abd8bf7b26ed16d952fd976994d68e72d93be2 in /somefile.txt "
},
{
"index": 2,
"id": "49fe2a475548bfa4d493fc796fce41f30704e3d4cbff3e45dd3e06f463236d1d",
"digestId": "sha256:93e208d471756ffbac88cf9c25feb442007f221d3bd73231e27b747a0a68927c",
"sizeBytes": 0,
"command": "mkdir -p /root/example/really/nested"
},
{
"index": 3,
"id": "80cd2ca1ffc89962b9349c80280c2bc551acbd11e09b16badb0669f8e2369020",
"digestId": "sha256:4abad3abe3cb99ad7a492a9d9f6b3d66287c1646843c74128bbbec4f7be5aa9e",
"sizeBytes": 6405,
"command": "cp /somefile.txt /root/example/somefile1.txt"
},
{
"index": 4,
"id": "c99e2f8d3f6282668f0d30dc1db5e67a51d7a1dcd7ff6ddfa0f90760836778ec",
"digestId": "sha256:14c9a6ffcb6a0f32d1035f97373b19608e2d307961d8be156321c3f1c1504cbf",
"sizeBytes": 6405,
"command": "chmod 444 /root/example/somefile1.txt"
},
{
"index": 5,
"id": "5eca617bdc3bc06134fe957a30da4c57adb7c340a6d749c8edc4c15861c928d7",
"digestId": "sha256:778fb5770ef466f314e79cc9dc418eba76bfc0a64491ce7b167b76aa52c736c4",
"sizeBytes": 6405,
"command": "cp /somefile.txt /root/example/somefile2.txt"
},
{
"index": 6,
"id": "f07c3eb887572395408f8e11a07af945e4da5f02b3188bb06b93fad713ca0b99",
"digestId": "sha256:f275b8a31a71deb521cc048e6021e2ff6fa52bedb25c9b7bbe129a0195ddca5f",
"sizeBytes": 6405,
"command": "cp /somefile.txt /root/example/somefile3.txt"
},
{
"index": 7,
"id": "461885fc22589158dee3c5b9f01cc41c87805439f58b4399d733b51aa305cbf9",
"digestId": "sha256:dd1effc5eb19894c3e9b57411c98dd1cf30fa1de4253c7fae53c9cea67267d83",
"sizeBytes": 6405,
"command": "mv /root/example/somefile3.txt /root/saved.txt"
},
{
"index": 8,
"id": "a10327f68ffed4afcba78919052809a8f774978a6b87fc117d39c53c4842f72c",
"digestId": "sha256:8d1869a0a066cdd12e48d648222866e77b5e2814f773bb3bd8774ab4052f0f1d",
"sizeBytes": 6405,
"command": "cp /root/saved.txt /root/.saved.txt"
},
{
"index": 9,
"id": "f2fc54e25cb7966dc9732ec671a77a1c5c104e732bd15ad44a2dc1ac42368f84",
"digestId": "sha256:bc2e36423fa31a97223fd421f22c35466220fa160769abf697b8eb58c896b468",
"sizeBytes": 0,
"command": "rm -rf /root/example/"
},
{
"index": 10,
"id": "aad36d0b05e71c7e6d4dfe0ca9ed6be89e2e0d8995dafe83438299a314e91071",
"digestId": "sha256:7f648d45ee7b6de2292162fba498b66cbaaf181da9004fcceef824c72dbae445",
"sizeBytes": 2187,
"command": "#(nop) ADD dir:7ec14b81316baa1a31c38c97686a8f030c98cba2035c968412749e33e0c4427e in /root/.data/ "
},
{
"index": 11,
"id": "3d4ad907517a021d86a4102d2764ad2161e4818bbd144e41d019bfc955434181",
"digestId": "sha256:a4b8f95f266d5c063c9a9473c45f2f85ddc183e37941b5e6b6b9d3c00e8e0457",
"sizeBytes": 6405,
"command": "cp /root/saved.txt /tmp/saved.again1.txt"
},
{
"index": 12,
"id": "81b1b002d4b4c1325a9cad9990b5277e7f29f79e0f24582344c0891178f95905",
"digestId": "sha256:22a44d45780a541e593a8862d80f3e14cb80b6bf76aa42ce68dc207a35bf3a4a",
"sizeBytes": 6405,
"command": "cp /root/saved.txt /root/.data/saved.again2.txt"
},
{
"index": 13,
"id": "cfb35bb5c127d848739be5ca726057e6e2c77b2849f588e7aebb642c0d3d4b7b",
"digestId": "sha256:ba689cac6a98c92d121fa5c9716a1bab526b8bb1fd6d43625c575b79e97300c5",
"sizeBytes": 6405,
"command": "chmod +x /root/saved.txt"
@ -108,7 +120,7 @@ func Test_Export(t *testing.T) {
"sizeBytes": 1220598,
"inefficientBytes": 32025,
"efficiencyScore": 0.9844212134184309,
"exportReferenceFile": [
"fileReference": [
{
"count": 2,
"sizeBytes": 12810,
@ -129,6 +141,9 @@ func Test_Export(t *testing.T) {
}`
actualResult := string(payload)
if expectedResult != actualResult {
t.Errorf("Test_Export: unexpected export result:\n%v", actualResult)
dmp := diffmatchpatch.New()
diffs := dmp.DiffMain(expectedResult, actualResult, false)
t.Errorf("Test_Export: unexpected export result:\n%v", dmp.DiffPrettyText(diffs))
}
}

7
runtime/export/file_reference.go Normal file
View File

@ -0,0 +1,7 @@
package export
type fileReference struct {
References int `json:"count"`
SizeBytes uint64 `json:"sizeBytes"`
Path string `json:"file"`
}

8
runtime/export/image.go Normal file
View File

@ -0,0 +1,8 @@
package export
type image struct {
SizeBytes uint64 `json:"sizeBytes"`
InefficientBytes uint64 `json:"inefficientBytes"`
EfficiencyScore float64 `json:"efficiencyScore"`
InefficientFiles []fileReference `json:"fileReference"`
}

9
runtime/export/layer.go Normal file
View File

@ -0,0 +1,9 @@
package export
type layer struct {
Index int `json:"index"`
ID string `json:"id"`
DigestID string `json:"digestId"`
SizeBytes uint64 `json:"sizeBytes"`
Command string `json:"command"`
}

2
runtime/options.go
View File

@ -2,11 +2,13 @@ package runtime
import (
"github.com/spf13/viper"
"github.com/wagoodman/dive/dive"
)
type Options struct {
Ci bool
ImageId string
Engine dive.Engine
ExportFile string
CiConfig *viper.Viper
BuildArgs []string

98
runtime/run.go
View File

@ -2,11 +2,10 @@ package runtime
import (
"fmt"
"github.com/sirupsen/logrus"
"github.com/wagoodman/dive/dive"
"github.com/wagoodman/dive/runtime/ci"
"github.com/wagoodman/dive/runtime/export"
"io/ioutil"
"log"
"os"
"time"
@ -18,6 +17,7 @@ import (
)
func runCi(analysis *image.AnalysisResult, options Options) {
fmt.Printf(" efficiency: %2.4f %%\n", analysis.Efficiency*100)
fmt.Printf(" wastedBytes: %d bytes (%s)\n", analysis.WastedBytes, humanize.Bytes(analysis.WastedBytes))
fmt.Printf(" userWastedPercent: %2.4f %%\n", analysis.WastedUserPercent*100)
@ -28,60 +28,47 @@ func runCi(analysis *image.AnalysisResult, options Options) {
evaluator.Report()
if pass {
utils.Exit(0)
os.Exit(0)
}
utils.Exit(1)
}
func runBuild(buildArgs []string) string {
iidfile, err := ioutil.TempFile("/tmp", "dive.*.iid")
if err != nil {
utils.Cleanup()
log.Fatal(err)
}
defer os.Remove(iidfile.Name())
allArgs := append([]string{"--iidfile", iidfile.Name()}, buildArgs...)
err = utils.RunDockerCmd("build", allArgs...)
if err != nil {
utils.Cleanup()
log.Fatal(err)
}
imageId, err := ioutil.ReadFile(iidfile.Name())
if err != nil {
utils.Cleanup()
log.Fatal(err)
}
return string(imageId)
os.Exit(1)
}
func Run(options Options) {
var err error
doExport := options.ExportFile != ""
doBuild := len(options.BuildArgs) > 0
// if an image option was provided, parse it and determine the container image...
// otherwise, use the configs default value.
// if build is given, get the handler based off of either the explicit runtime
imageResolver, err := dive.GetImageHandler(options.Engine)
if err != nil {
fmt.Printf("cannot determine image provider: %v\n", err)
os.Exit(1)
}
var img *image.Image
if doBuild {
fmt.Println(utils.TitleFormat("Building image..."))
options.ImageId = runBuild(options.BuildArgs)
img, err = imageResolver.Build(options.BuildArgs)
if err != nil {
fmt.Printf("cannot build image: %v\n", err)
os.Exit(1)
}
} else {
fmt.Println(utils.TitleFormat("Fetching image...") + " (this can take a while for large images)")
img, err = imageResolver.Fetch(options.ImageId)
if err != nil {
fmt.Printf("cannot fetch image: %v\n", err)
os.Exit(1)
}
}
analyzer := dive.GetAnalyzer(options.ImageId)
fmt.Println(utils.TitleFormat("Fetching image...") + " (this can take a while with large images)")
reader, err := analyzer.Fetch()
if err != nil {
fmt.Printf("cannot fetch image: %v\n", err)
utils.Exit(1)
}
defer reader.Close()
fmt.Println(utils.TitleFormat("Parsing image..."))
err = analyzer.Parse(reader)
if err != nil {
fmt.Printf("cannot parse image: %v\n", err)
utils.Exit(1)
}
// todo, cleanup on error
// todo: image get should return error for cleanup?
if doExport {
fmt.Println(utils.TitleFormat(fmt.Sprintf("Analyzing image... (export to '%s')", options.ExportFile)))
@ -89,17 +76,17 @@ func Run(options Options) {
fmt.Println(utils.TitleFormat("Analyzing image..."))
}
result, err := analyzer.Analyze()
result, err := img.Analyze()
if err != nil {
fmt.Printf("cannot analyze image: %v\n", err)
utils.Exit(1)
os.Exit(1)
}
if doExport {
err = export.NewExport(result).ToFile(options.ExportFile)
if err != nil {
fmt.Printf("cannot write export file: %v\n", err)
utils.Exit(1)
os.Exit(1)
}
}
@ -107,12 +94,16 @@ func Run(options Options) {
runCi(result, options)
} else {
if doExport {
utils.Exit(0)
os.Exit(0)
}
fmt.Println(utils.TitleFormat("Building cache..."))
cache := filetree.NewFileTreeCache(result.RefTrees)
cache.Build()
err := cache.Build()
if err != nil {
logrus.Error(err)
os.Exit(1)
}
// it appears there is a race condition where termbox.Init() will
// block nearly indefinitely when running as the first process in
@ -121,6 +112,11 @@ func Run(options Options) {
// enough sleep will prevent this behavior (todo: remove this hack)
time.Sleep(100 * time.Millisecond)
ui.Run(result, cache)
err = ui.Run(result, cache)
if err != nil {
logrus.Error(err)
os.Exit(1)
}
os.Exit(0)
}
}

38
runtime/ui/details_controller.go
View File

@ -2,6 +2,7 @@ package ui
import (
"fmt"
"github.com/sirupsen/logrus"
"github.com/wagoodman/dive/dive/filetree"
"strconv"
"strings"
@ -121,24 +122,35 @@ func (controller *DetailsController) Render() error {
layerHeaderStr := fmt.Sprintf("[Layer Details]%s", strings.Repeat("─", width-15))
imageHeaderStr := fmt.Sprintf("[Image Details]%s", strings.Repeat("─", width-15))
_, _ = fmt.Fprintln(controller.header, Formatting.Header(vtclean.Clean(layerHeaderStr, false)))
_, err := fmt.Fprintln(controller.header, Formatting.Header(vtclean.Clean(layerHeaderStr, false)))
if err != nil {
return err
}
// update contents
controller.view.Clear()
_, _ = fmt.Fprintln(controller.view, Formatting.Header("Digest: ")+currentLayer.Id())
// TODO: add back in with controller model
// fmt.Fprintln(view.view, Formatting.Header("Tar ID: ")+currentLayer.TarId())
_, _ = fmt.Fprintln(controller.view, Formatting.Header("Command:"))
_, _ = fmt.Fprintln(controller.view, currentLayer.Command())
_, _ = fmt.Fprintln(controller.view, "\n"+Formatting.Header(vtclean.Clean(imageHeaderStr, false)))
var lines = make([]string, 0)
if currentLayer.Names != nil && len(currentLayer.Names) > 0 {
lines = append(lines, Formatting.Header("Tags: ")+strings.Join(currentLayer.Names, ", "))
} else {
lines = append(lines, Formatting.Header("Tags: ")+"(none)")
}
lines = append(lines, Formatting.Header("Id: ")+currentLayer.Id)
lines = append(lines, Formatting.Header("Digest: ")+currentLayer.Digest)
lines = append(lines, Formatting.Header("Command:"))
lines = append(lines, currentLayer.Command)
lines = append(lines, "\n"+Formatting.Header(vtclean.Clean(imageHeaderStr, false)))
lines = append(lines, imageSizeStr)
lines = append(lines, wastedSpaceStr)
lines = append(lines, effStr+"\n")
lines = append(lines, inefficiencyReport)
_, _ = fmt.Fprintln(controller.view, imageSizeStr)
_, _ = fmt.Fprintln(controller.view, wastedSpaceStr)
_, _ = fmt.Fprintln(controller.view, effStr+"\n")
_, _ = fmt.Fprintln(controller.view, inefficiencyReport)
return nil
_, err = fmt.Fprintln(controller.view, strings.Join(lines, "\n"))
if err != nil {
logrus.Debug("unable to write to buffer: ", err)
}
return err
})
return nil
}

31
runtime/ui/filetree_controller.go
View File

@ -42,15 +42,17 @@ type FileTreeController struct {
}
// NewFileTreeController creates a new view object attached the the global [gocui] screen object.
func NewFileTreeController(name string, gui *gocui.Gui, tree *filetree.FileTree, refTrees []*filetree.FileTree, cache filetree.TreeCache) (controller *FileTreeController) {
func NewFileTreeController(name string, gui *gocui.Gui, tree *filetree.FileTree, refTrees []*filetree.FileTree, cache filetree.TreeCache) (controller *FileTreeController, err error) {
controller = new(FileTreeController)
// populate main fields
controller.Name = name
controller.gui = gui
controller.vm = NewFileTreeViewModel(tree, refTrees, cache)
controller.vm, err = NewFileTreeViewModel(tree, refTrees, cache)
if err != nil {
return nil, err
}
var err error
controller.keybindingToggleCollapse, err = keybinding.ParseAll(viper.GetString("keybinding.toggle-collapse-dir"))
if err != nil {
logrus.Error(err)
@ -100,7 +102,7 @@ func NewFileTreeController(name string, gui *gocui.Gui, tree *filetree.FileTree,
logrus.Error(err)
}
return controller
return controller, err
}
// Setup initializes the UI concerns within the context of a global [gocui] view object.
@ -302,19 +304,15 @@ func (controller *FileTreeController) toggleAttributes() error {
if err != nil {
return err
}
// we need to render the changes to the status pane as well
Update()
Render()
return nil
// we need to render the changes to the status pane as well (not just this contoller/view)
return UpdateAndRender()
}
// toggleShowDiffType will show/hide the selected DiffType in the filetree pane.
func (controller *FileTreeController) toggleShowDiffType(diffType filetree.DiffType) error {
controller.vm.toggleShowDiffType(diffType)
// we need to render the changes to the status pane as well
Update()
Render()
return nil
// we need to render the changes to the status pane as well (not just this contoller/view)
return UpdateAndRender()
}
// filterRegex will return a regular expression object to match the user's filter input.
@ -383,10 +381,13 @@ func (controller *FileTreeController) Render() error {
// update the contents
controller.view.Clear()
_ = controller.vm.Render()
_, _ = fmt.Fprint(controller.view, controller.vm.mainBuf.String())
err := controller.vm.Render()
if err != nil {
return err
}
_, err = fmt.Fprint(controller.view, controller.vm.mainBuf.String())
return nil
return err
})
return nil
}

30
runtime/ui/filetree_viewmodel.go
View File

@ -6,11 +6,9 @@ import (
"regexp"
"strings"
"github.com/lunixbochs/vtclean"
"github.com/sirupsen/logrus"
"github.com/spf13/viper"
"github.com/wagoodman/dive/utils"
"github.com/lunixbochs/vtclean"
"github.com/wagoodman/dive/dive/filetree"
)
@ -36,7 +34,7 @@ type FileTreeViewModel struct {
}
// NewFileTreeController creates a new view object attached the the global [gocui] screen object.
func NewFileTreeViewModel(tree *filetree.FileTree, refTrees []*filetree.FileTree, cache filetree.TreeCache) (treeViewModel *FileTreeViewModel) {
func NewFileTreeViewModel(tree *filetree.FileTree, refTrees []*filetree.FileTree, cache filetree.TreeCache) (treeViewModel *FileTreeViewModel, err error) {
treeViewModel = new(FileTreeViewModel)
// populate main fields
@ -59,11 +57,11 @@ func NewFileTreeViewModel(tree *filetree.FileTree, refTrees []*filetree.FileTree
case "unmodified":
treeViewModel.HiddenDiffTypes[filetree.Unmodified] = true
default:
utils.PrintAndExit(fmt.Sprintf("unknown diff.hide value: %s", t))
return nil, fmt.Errorf("unknown diff.hide value: %s", t)
}
}
return treeViewModel
return treeViewModel, nil
}
// Setup initializes the UI concerns within the context of a global [gocui] view object.
@ -102,7 +100,11 @@ func (vm *FileTreeViewModel) setTreeByLayer(bottomTreeStart, bottomTreeStop, top
if topTreeStop > len(vm.RefTrees)-1 {
return fmt.Errorf("invalid layer index given: %d of %d", topTreeStop, len(vm.RefTrees)-1)
}
newTree := vm.cache.Get(bottomTreeStart, bottomTreeStop, topTreeStart, topTreeStop)
newTree, err := vm.cache.Get(bottomTreeStart, bottomTreeStop, topTreeStart, topTreeStop)
if err != nil {
logrus.Errorf("unable to fetch layer tree from cache: %+v", err)
return err
}
// preserve vm state on copy
visitor := func(node *filetree.FileNode) error {
@ -112,7 +114,7 @@ func (vm *FileTreeViewModel) setTreeByLayer(bottomTreeStart, bottomTreeStop, top
}
return nil
}
err := vm.ModelTree.VisitDepthChildFirst(visitor, nil)
err = vm.ModelTree.VisitDepthChildFirst(visitor, nil)
if err != nil {
logrus.Errorf("unable to propagate layer tree: %+v", err)
return err
@ -416,9 +418,17 @@ func (vm *FileTreeViewModel) Render() error {
vm.mainBuf.Reset()
for idx, line := range lines {
if idx == vm.bufferIndex {
fmt.Fprintln(&vm.mainBuf, Formatting.Selected(vtclean.Clean(line, false)))
_, err := fmt.Fprintln(&vm.mainBuf, Formatting.Selected(vtclean.Clean(line, false)))
if err != nil {
logrus.Debug("unable to write to buffer: ", err)
return err
}
} else {
fmt.Fprintln(&vm.mainBuf, line)
_, err := fmt.Fprintln(&vm.mainBuf, line)
if err != nil {
logrus.Debug("unable to write to buffer: ", err)
return err
}
}
}
return nil

21
runtime/ui/filetree_viewmodel_test.go
View File

@ -73,16 +73,25 @@ func assertTestData(t *testing.T, actualBytes []byte) {
}
func initializeTestViewModel(t *testing.T) *FileTreeViewModel {
result, err := docker.TestLoadDockerImageTar("../../.data/test-docker-image.tar")
if err != nil {
t.Fatalf("%s: unable to fetch analysis: %v", t.Name(), err)
}
result := docker.TestAnalysisFromArchive(t, "../../.data/test-docker-image.tar")
cache := filetree.NewFileTreeCache(result.RefTrees)
cache.Build()
err := cache.Build()
if err != nil {
t.Fatalf("%s: unable to build cache: %+v", t.Name(), err)
}
Formatting.Selected = color.New(color.ReverseVideo, color.Bold).SprintFunc()
return NewFileTreeViewModel(filetree.StackTreeRange(result.RefTrees, 0, 0), result.RefTrees, cache)
treeStack, err := filetree.StackTreeRange(result.RefTrees, 0, 0)
if err != nil {
t.Fatalf("%s: unable to stack trees: %v", t.Name(), err)
}
vm, err := NewFileTreeViewModel(treeStack, result.RefTrees, cache)
if err != nil {
t.Fatalf("%s: unable to create tree ViewModel: %+v", t.Name(), err)
}
return vm
}
func runTestCase(t *testing.T, vm *FileTreeViewModel, width, height int, filterRegex *regexp.Regexp) {

6
runtime/ui/filter_controller.go
View File

@ -3,6 +3,7 @@ package ui
import (
"fmt"
"github.com/jroimartin/gocui"
"github.com/sirupsen/logrus"
)
// FilterController holds the UI objects and data models for populating the bottom row. Specifically the pane that
@ -99,9 +100,10 @@ func (controller *FilterController) Update() error {
// Render flushes the state objects to the screen. Currently this is the users path filter input.
func (controller *FilterController) Render() error {
controller.gui.Update(func(g *gocui.Gui) error {
// render the header
_, err := fmt.Fprintln(controller.header, Formatting.Header(controller.headerStr))
if err != nil {
logrus.Error("unable to write to buffer: ", err)
}
return err
})
return nil

41
runtime/ui/layer_controller.go
View File

@ -9,7 +9,6 @@ import (
"github.com/lunixbochs/vtclean"
"github.com/sirupsen/logrus"
"github.com/spf13/viper"
"github.com/wagoodman/dive/utils"
"github.com/wagoodman/keybinding"
)
@ -21,7 +20,7 @@ type LayerController struct {
view *gocui.View
header *gocui.View
LayerIndex int
Layers []image.Layer
Layers []*image.Layer
CompareMode CompareType
CompareStartIndex int
ImageSize uint64
@ -33,7 +32,7 @@ type LayerController struct {
}
// NewLayerController creates a new view object attached the the global [gocui] screen object.
func NewLayerController(name string, gui *gocui.Gui, layers []image.Layer) (controller *LayerController) {
func NewLayerController(name string, gui *gocui.Gui, layers []*image.Layer) (controller *LayerController, err error) {
controller = new(LayerController)
// populate main fields
@ -47,10 +46,9 @@ func NewLayerController(name string, gui *gocui.Gui, layers []image.Layer) (cont
case false:
controller.CompareMode = CompareLayer
default:
utils.PrintAndExit(fmt.Sprintf("unknown layer.show-aggregated-changes value: %v", mode))
return nil, fmt.Errorf("unknown layer.show-aggregated-changes value: %v", mode)
}
var err error
controller.keybindingCompareAll, err = keybinding.ParseAll(viper.GetString("keybinding.compare-all"))
if err != nil {
logrus.Error(err)
@ -71,7 +69,7 @@ func NewLayerController(name string, gui *gocui.Gui, layers []image.Layer) (cont
logrus.Error(err)
}
return controller
return controller, err
}
// Setup initializes the UI concerns within the context of a global [gocui] view object.
@ -211,15 +209,18 @@ func (controller *LayerController) SetCursor(layer int) error {
}
// currentLayer returns the Layer object currently selected.
func (controller *LayerController) currentLayer() image.Layer {
return controller.Layers[(len(controller.Layers)-1)-controller.LayerIndex]
func (controller *LayerController) currentLayer() *image.Layer {
return controller.Layers[controller.LayerIndex]
}
// setCompareMode switches the layer comparison between a single-layer comparison to an aggregated comparison.
func (controller *LayerController) setCompareMode(compareMode CompareType) error {
controller.CompareMode = compareMode
Update()
Render()
err := UpdateAndRender()
if err != nil {
logrus.Errorf("unable to set compare mode: %+v", err)
return err
}
return Controllers.Tree.setTreeByLayer(controller.getCompareIndexes())
}
@ -261,7 +262,7 @@ func (controller *LayerController) renderCompareBar(layerIdx int) string {
func (controller *LayerController) Update() error {
controller.ImageSize = 0
for idx := 0; idx < len(controller.Layers); idx++ {
controller.ImageSize += controller.Layers[idx].Size()
controller.ImageSize += controller.Layers[idx].Size
}
return nil
}
@ -283,21 +284,27 @@ func (controller *LayerController) Render() error {
width, _ := g.Size()
headerStr := fmt.Sprintf("[%s]%s\n", title, strings.Repeat("─", width*2))
headerStr += fmt.Sprintf("Cmp"+image.LayerFormat, "Size", "Command")
_, _ = fmt.Fprintln(controller.header, Formatting.Header(vtclean.Clean(headerStr, false)))
_, err := fmt.Fprintln(controller.header, Formatting.Header(vtclean.Clean(headerStr, false)))
if err != nil {
return err
}
// update contents
controller.view.Clear()
for revIdx := len(controller.Layers) - 1; revIdx >= 0; revIdx-- {
layer := controller.Layers[revIdx]
idx := (len(controller.Layers) - 1) - revIdx
for idx, layer := range controller.Layers {
layerStr := layer.String()
compareBar := controller.renderCompareBar(idx)
if idx == controller.LayerIndex {
_, _ = fmt.Fprintln(controller.view, compareBar+" "+Formatting.Selected(layerStr))
_, err = fmt.Fprintln(controller.view, compareBar+" "+Formatting.Selected(layerStr))
} else {
_, _ = fmt.Fprintln(controller.view, compareBar+" "+layerStr)
_, err = fmt.Fprintln(controller.view, compareBar+" "+layerStr)
}
if err != nil {
logrus.Debug("unable to write to buffer: ", err)
return err
}
}

9
runtime/ui/status_controller.go
View File

@ -2,6 +2,7 @@ package ui
import (
"fmt"
"github.com/sirupsen/logrus"
"strings"
@ -61,11 +62,13 @@ func (controller *StatusController) Update() error {
func (controller *StatusController) Render() error {
controller.gui.Update(func(g *gocui.Gui) error {
controller.view.Clear()
_, _ = fmt.Fprintln(controller.view, controller.KeyHelp()+Controllers.lookup[controller.gui.CurrentView().Name()].KeyHelp()+Formatting.StatusNormal("▏"+strings.Repeat(" ", 1000)))
_, err := fmt.Fprintln(controller.view, controller.KeyHelp()+Controllers.lookup[controller.gui.CurrentView().Name()].KeyHelp()+Formatting.StatusNormal("▏"+strings.Repeat(" ", 1000)))
if err != nil {
logrus.Debug("unable to write to buffer: ", err)
}
return nil
return err
})
// todo: blerg
return nil
}

151
runtime/ui/ui.go
View File

@ -9,7 +9,6 @@ import (
"github.com/sirupsen/logrus"
"github.com/spf13/viper"
"github.com/wagoodman/dive/dive/filetree"
"github.com/wagoodman/dive/utils"
"github.com/wagoodman/keybinding"
)
@ -72,6 +71,22 @@ type View interface {
IsVisible() bool
}
func UpdateAndRender() error {
err := Update()
if err != nil {
logrus.Debug("failed update: ", err)
return err
}
err = Render()
if err != nil {
logrus.Debug("failed render: ", err)
return err
}
return nil
}
// toggleView switches between the file view and the layer view and re-renders the screen.
func toggleView(g *gocui.Gui, v *gocui.View) (err error) {
if v == nil || v.Name() == Controllers.Layer.Name {
@ -79,9 +94,13 @@ func toggleView(g *gocui.Gui, v *gocui.View) (err error) {
} else {
_, err = g.SetCurrentView(Controllers.Layer.Name)
}
Update()
Render()
return err
if err != nil {
logrus.Error("unable to toggle view: ", err)
return err
}
return UpdateAndRender()
}
// toggleFilterView shows/hides the file tree filter pane.
@ -95,20 +114,21 @@ func toggleFilterView(g *gocui.Gui, v *gocui.View) error {
if !Controllers.Filter.hidden {
_, err := g.SetCurrentView(Controllers.Filter.Name)
if err != nil {
logrus.Error("unable to toggle filter view: ", err)
return err
}
Update()
Render()
} else {
err := toggleView(g, v)
if err != nil {
return err
}
return UpdateAndRender()
}
err = Controllers.Filter.view.SetCursor(0, 0)
if err != nil {
return err
}
err := toggleView(g, v)
if err != nil {
logrus.Error("unable to toggle filter view (back): ", err)
return err
}
err = Controllers.Filter.view.SetCursor(0, 0)
if err != nil {
return err
}
return nil
@ -251,20 +271,32 @@ func layout(g *gocui.Gui) error {
view, viewErr = g.SetView(Controllers.Layer.Name, -1, -1+headerRows, splitCols, layersHeight)
header, headerErr = g.SetView(Controllers.Layer.Name+"header", -1, -1, splitCols, headerRows)
if isNewView(viewErr, headerErr) {
_ = Controllers.Layer.Setup(view, header)
err = Controllers.Layer.Setup(view, header)
if err != nil {
logrus.Error("unable to setup layer controller", err)
return err
}
if _, err = g.SetCurrentView(Controllers.Layer.Name); err != nil {
logrus.Error("unable to set view to layer", err)
return err
}
// since we are selecting the view, we should rerender to indicate it is selected
_ = Controllers.Layer.Render()
err = Controllers.Layer.Render()
if err != nil {
logrus.Error("unable to render layer view", err)
return err
}
}
// Details
view, viewErr = g.SetView(Controllers.Details.Name, -1, -1+layersHeight+headerRows, splitCols, maxY-bottomRows)
header, headerErr = g.SetView(Controllers.Details.Name+"header", -1, -1+layersHeight, splitCols, layersHeight+headerRows)
if isNewView(viewErr, headerErr) {
_ = Controllers.Details.Setup(view, header)
err = Controllers.Details.Setup(view, header)
if err != nil {
return err
}
}
// Filetree
@ -275,40 +307,65 @@ func layout(g *gocui.Gui) error {
view, viewErr = g.SetView(Controllers.Tree.Name, splitCols, -1+headerRows-offset, debugCols, maxY-bottomRows)
header, headerErr = g.SetView(Controllers.Tree.Name+"header", splitCols, -1, debugCols, headerRows-offset)
if isNewView(viewErr, headerErr) {
_ = Controllers.Tree.Setup(view, header)
err = Controllers.Tree.Setup(view, header)
if err != nil {
logrus.Error("unable to setup tree controller", err)
return err
}
}
err = Controllers.Tree.onLayoutChange(resized)
if err != nil {
logrus.Error("unable to setup layer controller onLayoutChange", err)
return err
}
_ = Controllers.Tree.onLayoutChange(resized)
// Status Bar
view, viewErr = g.SetView(Controllers.Status.Name, -1, maxY-statusBarHeight-statusBarIndex, maxX, maxY-(statusBarIndex-1))
if isNewView(viewErr, headerErr) {
_ = Controllers.Status.Setup(view, nil)
err = Controllers.Status.Setup(view, nil)
if err != nil {
logrus.Error("unable to setup status controller", err)
return err
}
}
// Filter Bar
view, viewErr = g.SetView(Controllers.Filter.Name, len(Controllers.Filter.headerStr)-1, maxY-filterBarHeight-filterBarIndex, maxX, maxY-(filterBarIndex-1))
header, headerErr = g.SetView(Controllers.Filter.Name+"header", -1, maxY-filterBarHeight-filterBarIndex, len(Controllers.Filter.headerStr), maxY-(filterBarIndex-1))
if isNewView(viewErr, headerErr) {
_ = Controllers.Filter.Setup(view, header)
err = Controllers.Filter.Setup(view, header)
if err != nil {
logrus.Error("unable to setup filter controller", err)
return err
}
}
return nil
}
// Update refreshes the state objects for future rendering.
func Update() {
for _, view := range Controllers.lookup {
_ = view.Update()
func Update() error {
for _, controller := range Controllers.lookup {
err := controller.Update()
if err != nil {
logrus.Debug("unable to update controller: ")
return err
}
}
return nil
}
// Render flushes the state objects to the screen.
func Render() {
for _, view := range Controllers.lookup {
if view.IsVisible() {
_ = view.Render()
func Render() error {
for _, controller := range Controllers.lookup {
if controller.IsVisible() {
err := controller.Render()
if err != nil {
return err
}
}
}
return nil
}
// renderStatusOption formats key help bindings-to-title pairs.
@ -321,7 +378,7 @@ func renderStatusOption(control, title string, selected bool) string {
}
// Run is the UI entrypoint.
func Run(analysis *image.AnalysisResult, cache filetree.TreeCache) {
func Run(analysis *image.AnalysisResult, cache filetree.TreeCache) error {
Formatting.Selected = color.New(color.ReverseVideo, color.Bold).SprintFunc()
Formatting.Header = color.New(color.Bold).SprintFunc()
@ -335,30 +392,39 @@ func Run(analysis *image.AnalysisResult, cache filetree.TreeCache) {
var err error
GlobalKeybindings.quit, err = keybinding.ParseAll(viper.GetString("keybinding.quit"))
if err != nil {
logrus.Error(err)
return err
}
GlobalKeybindings.toggleView, err = keybinding.ParseAll(viper.GetString("keybinding.toggle-view"))
if err != nil {
logrus.Error(err)
return err
}
GlobalKeybindings.filterView, err = keybinding.ParseAll(viper.GetString("keybinding.filter-files"))
if err != nil {
logrus.Error(err)
return err
}
g, err := gocui.NewGui(gocui.OutputNormal)
if err != nil {
logrus.Error(err)
return err
}
utils.SetUi(g)
defer g.Close()
Controllers.lookup = make(map[string]View)
Controllers.Layer = NewLayerController("side", g, analysis.Layers)
Controllers.Layer, err = NewLayerController("side", g, analysis.Layers)
if err != nil {
return err
}
Controllers.lookup[Controllers.Layer.Name] = Controllers.Layer
Controllers.Tree = NewFileTreeController("main", g, filetree.StackTreeRange(analysis.RefTrees, 0, 0), analysis.RefTrees, cache)
treeStack, err := filetree.StackTreeRange(analysis.RefTrees, 0, 0)
if err != nil {
return err
}
Controllers.Tree, err = NewFileTreeController("main", g, treeStack, analysis.RefTrees, cache)
if err != nil {
return err
}
Controllers.lookup[Controllers.Tree.Name] = Controllers.Tree
Controllers.Status = NewStatusController("status", g)
@ -381,15 +447,18 @@ func Run(analysis *image.AnalysisResult, cache filetree.TreeCache) {
// }
// perform the first update and render now that all resources have been loaded
Update()
Render()
err = UpdateAndRender()
if err != nil {
return err
}
if err := keyBindings(g); err != nil {
logrus.Error("keybinding error: ", err)
return err
}
if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
logrus.Error("main loop error: ", err)
return err
}
utils.Exit(0)
return nil
}

37
utils/docker.go
View File

@ -1,37 +0,0 @@
package utils
import (
"os"
"os/exec"
"strings"
)
func IsDockerClientAvailable() bool {
_, err := exec.LookPath("docker")
return err == nil
}
// RunDockerCmd runs a given Docker command in the current tty
func RunDockerCmd(cmdStr string, args ...string) error {
allArgs := cleanArgs(append([]string{cmdStr}, args...))
cmd := exec.Command("docker", allArgs...)
cmd.Env = os.Environ()
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Stdin = os.Stdin
return cmd.Run()
}
// cleanArgs trims the whitespace from the given set of strings.
func cleanArgs(s []string) []string {
var r []string
for _, str := range s {
if str != "" {
r = append(r, strings.Trim(str, " "))
}
}
return r
}

34
utils/exit.go
View File

@ -1,34 +0,0 @@
package utils
import (
"fmt"
"os"
"github.com/jroimartin/gocui"
"github.com/sirupsen/logrus"
)
var ui *gocui.Gui
func SetUi(g *gocui.Gui) {
ui = g
}
func PrintAndExit(args ...interface{}) {
logrus.Println(args...)
Cleanup()
fmt.Println(args...)
os.Exit(1)
}
// Note: this should only be used when exiting from non-gocui code
func Exit(rc int) {
Cleanup()
os.Exit(rc)
}
func Cleanup() {
if ui != nil {
ui.Close()
}
}

12
utils/format.go
View File

@ -2,8 +2,20 @@ package utils
import (
"github.com/logrusorgru/aurora"
"strings"
)
func TitleFormat(s string) string {
return aurora.Bold(s).String()
}
// CleanArgs trims the whitespace from the given set of strings.
func CleanArgs(s []string) []string {
var r []string
for _, str := range s {
if str != "" {
r = append(r, strings.Trim(str, " "))
}
}
return r
}