dive-zfs/cmd/analyze.go
2018-12-08 12:09:26 -05:00

63 lines
1.4 KiB
Go

package cmd
import (
"fmt"
"github.com/fatih/color"
"github.com/spf13/cobra"
"github.com/wagoodman/dive/filetree"
"github.com/wagoodman/dive/image"
"github.com/wagoodman/dive/ui"
"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")
if err == nil && printVersionFlag {
printVersion(cmd, args)
return
}
fmt.Println("No image argument given")
cmd.Help()
utils.Exit(1)
}
userImage := args[0]
if userImage == "" {
fmt.Println("No image argument given")
cmd.Help()
utils.Exit(1)
}
color.New(color.Bold).Println("Analyzing Image")
result := fetchAndAnalyze(userImage)
fmt.Println(" Building cache...")
cache := filetree.NewFileTreeCache(result.RefTrees)
cache.Build()
ui.Run(result, cache)
}
func fetchAndAnalyze(imageID string) *image.AnalysisResult {
analyzer := image.GetAnalyzer(imageID)
fmt.Println(" Fetching image...")
err := analyzer.Parse(imageID)
if err != nil {
fmt.Printf("cannot fetch image: %v\n", err)
utils.Exit(1)
}
fmt.Println(" Analyzing image...")
result, err := analyzer.Analyze()
if err != nil {
fmt.Printf("cannot doAnalyzeCmd image: %v\n", err)
utils.Exit(1)
}
return result
}