mirror of
https://github.com/psy0rz/zfs_autobackup.git
synced 2025-04-11 22:40:01 +03:00
522 lines
21 KiB
Python
Executable File
522 lines
21 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# -*- coding: utf8 -*-
|
|
|
|
from __future__ import print_function
|
|
import os
|
|
import sys
|
|
import re
|
|
import traceback
|
|
import subprocess
|
|
import pprint
|
|
import cStringIO
|
|
import time
|
|
|
|
|
|
def error(txt):
|
|
print(txt, file=sys.stderr)
|
|
|
|
|
|
|
|
def verbose(txt):
|
|
if args.verbose:
|
|
print(txt)
|
|
|
|
|
|
|
|
def debug(txt):
|
|
if args.debug:
|
|
print(txt)
|
|
|
|
|
|
"""run a command. specifiy ssh user@host to run remotely"""
|
|
def run(cmd, input=None, ssh_to="local", tab_split=False, valid_exitcodes=[ 0 ], test=False):
|
|
|
|
encoded_cmd=[]
|
|
|
|
#use ssh?
|
|
if ssh_to != "local":
|
|
encoded_cmd.extend(["ssh", "-c", args.ssh_cipher, ssh_to])
|
|
if args.compress:
|
|
encoded_cmd.append("-C")
|
|
|
|
#make sure the command gets all the data in utf8 format:
|
|
#(this is neccesary if LC_ALL=en_US.utf8 is not set in the environment)
|
|
for arg in cmd:
|
|
encoded_cmd.append(arg.encode('utf-8'))
|
|
#the accurate way of displaying it whould be: print encoded_cmd
|
|
#However, we use the more human-readable way, but this is not always properly escaped!
|
|
#(most of the time it should be copypastable however.)
|
|
debug_txt="# "+encoded_cmd[0]+" '"+("' '".join(encoded_cmd[1:]))+"'"
|
|
|
|
if test:
|
|
debug("[TEST] "+debug_txt)
|
|
else:
|
|
debug(debug_txt)
|
|
|
|
if input:
|
|
debug("INPUT:\n"+input.rstrip())
|
|
stdin=subprocess.PIPE
|
|
else:
|
|
stdin=None
|
|
|
|
if test:
|
|
return
|
|
|
|
p=subprocess.Popen(encoded_cmd, env=os.environ, stdout=subprocess.PIPE, stdin=stdin)
|
|
output=p.communicate(input=input)[0]
|
|
if p.returncode not in valid_exitcodes:
|
|
raise(subprocess.CalledProcessError(p.returncode, encoded_cmd))
|
|
|
|
lines=output.splitlines()
|
|
if not tab_split:
|
|
return(lines)
|
|
else:
|
|
ret=[]
|
|
for line in lines:
|
|
ret.append(line.split("\t"))
|
|
return(ret)
|
|
|
|
|
|
|
|
"""determine filesystems that should be backupped by looking at the special autobackup-property"""
|
|
def zfs_get_selected_filesystems(ssh_to, backup_name):
|
|
#get all source filesystems that have the backup property
|
|
source_filesystems=run(ssh_to=ssh_to, tab_split=True, cmd=[
|
|
"zfs", "get", "-t", "volume,filesystem", "-o", "name,value,source", "-s", "local,inherited", "-H", "autobackup:"+backup_name
|
|
])
|
|
|
|
#determine filesystems that should be actually backupped
|
|
selected_filesystems=[]
|
|
direct_filesystems=[]
|
|
for source_filesystem in source_filesystems:
|
|
(name,value,source)=source_filesystem
|
|
if value=="false":
|
|
verbose("Ignoring: {0} (disabled)".format(name))
|
|
|
|
else:
|
|
if source=="local":
|
|
selected_filesystems.append(name)
|
|
direct_filesystems.append(name)
|
|
verbose("Selected: {0} (direct selection)".format(name))
|
|
elif source.find("inherited from ")==0:
|
|
inherited_from=re.sub("^inherited from ", "", source)
|
|
if inherited_from in direct_filesystems:
|
|
selected_filesystems.append(name)
|
|
verbose("Selected: {0} (inherited selection)".format(name))
|
|
else:
|
|
verbose("Ignored: {0} (already a backup)".format(name))
|
|
else:
|
|
vebose("Ignored: {0} ({0})".format(source))
|
|
|
|
return(selected_filesystems)
|
|
|
|
|
|
|
|
"""deferred destroy list of snapshots (in @format). """
|
|
def zfs_destroy_snapshots(ssh_to, snapshots):
|
|
|
|
#zfs can only destroy one filesystem at once so we use xargs and stdin
|
|
run(ssh_to=ssh_to, test=args.test, input="\0".join(snapshots), cmd=
|
|
[ "xargs", "-0", "-n", "1", "zfs", "destroy", "-d" ]
|
|
)
|
|
|
|
"""destroy list of filesystems """
|
|
def zfs_destroy(ssh_to, filesystems, recursive=False):
|
|
|
|
cmd=[ "xargs", "-0", "-n", "1", "zfs", "destroy" ]
|
|
|
|
if recursive:
|
|
cmd.append("-r")
|
|
|
|
#zfs can only destroy one filesystem at once so we use xargs and stdin
|
|
run(ssh_to=ssh_to, test=args.test, input="\0".join(filesystems), cmd=cmd)
|
|
|
|
#simulate snapshots for --test option
|
|
test_snapshots={}
|
|
|
|
|
|
|
|
"""create snapshot on multiple filesystems at once (atomicly)"""
|
|
def zfs_create_snapshot(ssh_to, filesystems, snapshot):
|
|
cmd=[ "zfs", "snapshot" ]
|
|
|
|
for filesystem in filesystems:
|
|
cmd.append(filesystem+"@"+snapshot)
|
|
|
|
#in testmode we dont actually make changes, so keep them in a list to simulate
|
|
if args.test:
|
|
if not ssh_to in test_snapshots:
|
|
test_snapshots[ssh_to]={}
|
|
if not filesystem in test_snapshots[ssh_to]:
|
|
test_snapshots[ssh_to][filesystem]=[]
|
|
test_snapshots[ssh_to][filesystem].append(snapshot)
|
|
|
|
run(ssh_to=ssh_to, tab_split=False, cmd=cmd, test=args.test)
|
|
|
|
|
|
|
|
"""get names of all snapshots for specified filesystems belonging to backup_name
|
|
|
|
return[filesystem_name]=[ "snashot1", "snapshot2", ... ]
|
|
"""
|
|
def zfs_get_snapshots(ssh_to, filesystems, backup_name):
|
|
cmd=[
|
|
"zfs", "list", "-d", "1", "-r", "-t" ,"snapshot", "-H", "-o", "name"
|
|
]
|
|
cmd.extend(filesystems)
|
|
|
|
snapshots=run(ssh_to=ssh_to, tab_split=False, cmd=cmd, valid_exitcodes=[ 0,1 ])
|
|
|
|
ret={}
|
|
for snapshot in snapshots:
|
|
(filesystem, snapshot_name)=snapshot.split("@")
|
|
if re.match("^"+backup_name+"-[0-9]*$", snapshot_name):
|
|
if not filesystem in ret:
|
|
ret[filesystem]=[]
|
|
ret[filesystem].append(snapshot_name)
|
|
|
|
#also add any test-snapshots that where created with --test mode
|
|
if args.test:
|
|
if ssh_to in test_snapshots:
|
|
for filesystem in filesystems:
|
|
if filesystem in test_snapshots[ssh_to]:
|
|
if not filesystem in ret:
|
|
ret[filesystem]=[]
|
|
ret[filesystem].extend(test_snapshots[ssh_to][filesystem])
|
|
|
|
return(ret)
|
|
|
|
|
|
|
|
"""transfer a zfs snapshot from source to target. both can be either local or via ssh.
|
|
|
|
specify buffer_size to use mbuffer (or alike) to apply buffering where neccesary
|
|
|
|
local to local:
|
|
local send -> local buffer -> local receive
|
|
|
|
local to remote and remote to local:
|
|
local send -> local buffer -> ssh -> remote buffer -> remote receive
|
|
remote send -> remote buffer -> ssh -> local buffer -> local receive
|
|
|
|
remote to remote:
|
|
remote send -> remote buffer -> ssh -> local buffer -> ssh -> remote buffer -> remote receive
|
|
"""
|
|
def zfs_transfer(ssh_source, source_filesystem, first_snapshot, second_snapshot,
|
|
ssh_target, target_filesystem, buffer_size=None):
|
|
|
|
#### build source command
|
|
source_cmd=[]
|
|
|
|
if ssh_source != "local":
|
|
source_cmd.extend([ "ssh", "-c", args.ssh_cipher, ssh_source ])
|
|
if args.compress:
|
|
source_cmd.append("-C")
|
|
|
|
source_cmd.extend(["zfs", "send", "-p" ])
|
|
|
|
#only verbose in debug mode, lots of output
|
|
if args.debug:
|
|
source_cmd.append("-v")
|
|
|
|
if not first_snapshot:
|
|
verbose("Tranferring "+source_filesystem+" initial backup snapshot "+second_snapshot)
|
|
else:
|
|
verbose("Tranferring "+source_filesystem+" incremental backup between snapshots "+first_snapshot+"..."+second_snapshot)
|
|
source_cmd.extend([ "-i", first_snapshot ])
|
|
|
|
source_cmd.append(source_filesystem + "@" + second_snapshot)
|
|
|
|
# if ssh_source != "local":
|
|
# #add buffer
|
|
# source_cmd.append("|dd")
|
|
|
|
|
|
#### build target command
|
|
target_cmd=[]
|
|
|
|
if ssh_target != "local":
|
|
target_cmd.extend([ "ssh", "-c", args.ssh_cipher, ssh_target ])
|
|
if args.compress:
|
|
target_cmd.append("-C")
|
|
|
|
target_cmd.extend(["zfs", "recv", "-u" ])
|
|
|
|
#also verbose in --verbose mode so we can see the transfer speed when its completed
|
|
if args.verbose or args.debug:
|
|
target_cmd.append("-v")
|
|
|
|
target_cmd.append(target_filesystem)
|
|
|
|
|
|
#### make sure parent on target exists
|
|
parent_filesystem= "/".join(target_filesystem.split("/")[:-1])
|
|
run(ssh_to=ssh_target, cmd=[ "zfs", "create" ,"-p", parent_filesystem ], test=args.test)
|
|
|
|
|
|
### execute pipe
|
|
debug_txt="# "+source_cmd[0]+" '"+("' '".join(source_cmd[1:]))+"'" + " | " + target_cmd[0]+" '"+("' '".join(target_cmd[1:]))+"'"
|
|
|
|
if args.test:
|
|
debug("[TEST] "+debug_txt)
|
|
return
|
|
else:
|
|
debug(debug_txt)
|
|
|
|
source_proc=subprocess.Popen(source_cmd, env=os.environ, stdout=subprocess.PIPE)
|
|
target_proc=subprocess.Popen(target_cmd, env=os.environ, stdin=source_proc.stdout)
|
|
source_proc.stdout.close() # Allow p1 to receive a SIGPIPE if p2 exits.
|
|
target_proc.communicate()
|
|
|
|
if source_proc.returncode:
|
|
raise(subprocess.CalledProcessError(source_proc.returncode, source_cmd))
|
|
|
|
#zfs recv sometimes gives an exitcode 1 while the transfer was succesfull, therefore we ignore exit 1's and do an extra check to see if the snapshot is there.
|
|
if target_proc.returncode and target_proc.returncode!=1:
|
|
raise(subprocess.CalledProcessError(target_proc.returncode, target_cmd))
|
|
|
|
debug("Verifying if snapshot exists on target")
|
|
run(ssh_to=ssh_target, cmd=["zfs", "list", target_filesystem+"@"+second_snapshot ])
|
|
|
|
|
|
|
|
"""get filesystems that where already backupped to a target. """
|
|
def zfs_get_backupped_filesystems(ssh_to, backup_name, target_fs):
|
|
#get all target filesystems that have received or inherited the backup propert, under the target_fs tree
|
|
ret=run(ssh_to=ssh_to, tab_split=False, cmd=[
|
|
"zfs", "get", "-r", "-t", "volume,filesystem", "-o", "name", "-s", "received,inherited", "-H", "autobackup:"+backup_name, target_fs
|
|
])
|
|
|
|
return(ret)
|
|
|
|
|
|
|
|
"""get filesystems that where once backupped to target but are no longer selected on source
|
|
|
|
these are filesystems that are not in the list in target_filesystems.
|
|
|
|
this happens when filesystems are destroyed or unselected on the source.
|
|
"""
|
|
def get_stale_backupped_filesystems(ssh_to, backup_name, target_fs, target_filesystems):
|
|
|
|
backupped_filesystems=zfs_get_backupped_filesystems(ssh_to=ssh_to, backup_name=backup_name, target_fs=target_fs)
|
|
|
|
#determine backupped filesystems that are not in target_filesystems anymore
|
|
stale_backupped_filesystems=[]
|
|
for backupped_filesystem in backupped_filesystems:
|
|
if backupped_filesystem not in target_filesystems:
|
|
stale_backupped_filesystems.append(backupped_filesystem)
|
|
|
|
return(stale_backupped_filesystems)
|
|
|
|
|
|
now=time.time()
|
|
"""determine list of snapshot (in @format) to destroy, according to age"""
|
|
def determine_destroy_list(snapshots, days):
|
|
ret=[]
|
|
for filesystem in snapshots:
|
|
for snapshot in snapshots[filesystem]:
|
|
time_str=re.findall("^.*-([0-9]*)$", snapshot)[0]
|
|
if len(time_str)==14:
|
|
#new format:
|
|
time_secs=time.mktime(time.strptime(time_str,"%Y%m%d%H%M%S"))
|
|
else:
|
|
time_secs=int(time_str)
|
|
# verbose("time_secs"+time_str)
|
|
if (now-time_secs) > (24 * 3600 * days):
|
|
ret.append(filesystem+"@"+snapshot)
|
|
|
|
return(ret)
|
|
|
|
|
|
################################################################## ENTRY POINT
|
|
|
|
|
|
|
|
############## parse arguments
|
|
import argparse
|
|
parser = argparse.ArgumentParser(description='ZFS autobackup v2.0')
|
|
parser.add_argument('--ssh-source', default="local", help='Source host to get backup from. (user@hostname) Default %(default)s.')
|
|
parser.add_argument('--ssh-target', default="local", help='Target host to push backup to. (user@hostname) Default %(default)s.')
|
|
parser.add_argument('--ssh-cipher', default="arcfour128", help='SSH cipher to use (default %(default)s)')
|
|
parser.add_argument('--keep-source', type=int, default=30, help='Number of days to keep old snapshots on source. Default %(default)s.')
|
|
parser.add_argument('--keep-target', type=int, default=30, help='Number of days to keep old snapshots on target. Default %(default)s.')
|
|
parser.add_argument('backup_name', help='Name of the backup (you should set the zfs property "autobackup:backup-name" to true on filesystems you want to backup')
|
|
parser.add_argument('target_fs', help='Target filesystem')
|
|
|
|
parser.add_argument('--no-snapshot', action='store_true', help='dont create new snapshot (usefull for finishing uncompleted backups, or cleanups)')
|
|
parser.add_argument('--no-send', action='store_true', help='dont send snapshots (usefull to only do a cleanup)')
|
|
|
|
parser.add_argument('--destroy-stale', action='store_true', help='Destroy stale backups that have no more snapshots. Be sure to verify the output before using this! ')
|
|
parser.add_argument('--clear-refreservation', action='store_true', help='Set refreservation property to none for new filesystems. Usefull when backupping SmartOS volumes.')
|
|
parser.add_argument('--clear-mountpoint', action='store_true', help='Clear mountpoint property, to prevent the received filesystem from mounting over existing filesystems.')
|
|
parser.add_argument('--rollback', action='store_true', help='Rollback changes on the target before starting a backup. (normally you can prevent changes by setting the readonly property on the target_fs to on)')
|
|
|
|
parser.add_argument('--compress', action='store_true', help='use compression during zfs send/recv')
|
|
parser.add_argument('--test', action='store_true', help='dont change anything, just show what would be done (still does all read-only operations)')
|
|
parser.add_argument('--verbose', action='store_true', help='verbose output')
|
|
parser.add_argument('--debug', action='store_true', help='debug output (shows commands that are executed)')
|
|
args = parser.parse_args()
|
|
|
|
|
|
|
|
############## data gathering section
|
|
|
|
if args.test:
|
|
args.verbose=True
|
|
verbose("RUNNING IN TEST-MODE, NOT MAKING ACTUAL BACKUP!")
|
|
|
|
#get selected filesystem on backup source
|
|
verbose("Getting selected source filesystems for backup {0} on {1}".format(args.backup_name,args.ssh_source))
|
|
source_filesystems=zfs_get_selected_filesystems(args.ssh_source, args.backup_name)
|
|
|
|
#nothing todo
|
|
if not source_filesystems:
|
|
error("No filesystems source selected, please set autobackup:{0} on {1}".format(args.backup_name,args.ssh_source))
|
|
sys.exit(1)
|
|
|
|
|
|
#determine target filesystems (just append args.target_fs prefix)
|
|
target_filesystems=[]
|
|
for source_filesystem in source_filesystems:
|
|
target_filesystems.append(args.target_fs+"/"+source_filesystem)
|
|
|
|
#create new snapshot?
|
|
if not args.no_snapshot:
|
|
new_snapshot_name=args.backup_name+"-"+time.strftime("%Y%m%d%H%M%S")
|
|
verbose("Creating source snapshot {0} on {1} ".format(new_snapshot_name, args.ssh_source))
|
|
zfs_create_snapshot(args.ssh_source, source_filesystems, new_snapshot_name)
|
|
|
|
#get all snapshots of all selected filesystems on both source and target
|
|
verbose("Getting source snapshot-list from {0}".format(args.ssh_source))
|
|
source_snapshots=zfs_get_snapshots(args.ssh_source, source_filesystems, args.backup_name)
|
|
debug("Source snapshots: " + str(pprint.pformat(source_snapshots)))
|
|
|
|
target_snapshots={}
|
|
try:
|
|
verbose("Getting target snapshot-list from {0}".format(args.ssh_target))
|
|
target_snapshots=zfs_get_snapshots(args.ssh_target, target_filesystems, args.backup_name)
|
|
except subprocess.CalledProcessError:
|
|
verbose("(ignoring errors, probably initial backup for this filesystem)")
|
|
pass
|
|
debug("Target snapshots: " + str(pprint.pformat(target_snapshots)))
|
|
|
|
|
|
#obsolete snapshots that may be removed
|
|
source_obsolete_snapshots={}
|
|
target_obsolete_snapshots={}
|
|
|
|
|
|
|
|
############## backup section
|
|
|
|
#determine which snapshots to send for each filesystem
|
|
for source_filesystem in source_filesystems:
|
|
target_filesystem=args.target_fs+"/"+source_filesystem
|
|
|
|
if source_filesystem not in source_snapshots:
|
|
#this happens if you use --no-snapshot and there are new filesystems without snapshots
|
|
verbose("Skipping source filesystem {0}, no snapshots found".format(source_filesystem))
|
|
else:
|
|
|
|
#incremental or initial send?
|
|
if target_filesystem in target_snapshots and target_snapshots[target_filesystem]:
|
|
#incremental mode, determine what to send and what is obsolete
|
|
|
|
#latest succesfully send snapshot, should be common on both source and target
|
|
latest_target_snapshot=target_snapshots[target_filesystem][-1]
|
|
|
|
if latest_target_snapshot not in source_snapshots[source_filesystem]:
|
|
raise(Exception("Cant find latest target snapshot on source, did you destroy it accidently? "+source_filesystem+"@"+latest_target_snapshot))
|
|
|
|
#send all new source snapshots that come AFTER the last target snapshot
|
|
latest_source_index=source_snapshots[source_filesystem].index(latest_target_snapshot)
|
|
send_snapshots=source_snapshots[source_filesystem][latest_source_index+1:]
|
|
|
|
#source snapshots that come BEFORE last target snapshot are obsolete
|
|
source_obsolete_snapshots[source_filesystem]=source_snapshots[source_filesystem][0:latest_source_index]
|
|
|
|
#target snapshots that come BEFORE last target snapshot are obsolete
|
|
latest_target_index=target_snapshots[target_filesystem].index(latest_target_snapshot)
|
|
target_obsolete_snapshots[target_filesystem]=target_snapshots[target_filesystem][0:latest_target_index]
|
|
else:
|
|
#initial mode, send all snapshots, nothing is obsolete:
|
|
latest_target_snapshot=None
|
|
send_snapshots=source_snapshots[source_filesystem]
|
|
target_obsolete_snapshots[target_filesystem]=[]
|
|
source_obsolete_snapshots[source_filesystem]=[]
|
|
|
|
#now actually send the snapshots
|
|
if not args.no_send:
|
|
|
|
if send_snapshots and args.rollback and latest_target_snapshot:
|
|
#roll back any changes on target
|
|
debug("Rolling back target to latest snapshot.")
|
|
run(ssh_to=args.ssh_target, test=args.test, cmd=["zfs", "rollback", target_filesystem+"@"+latest_target_snapshot ])
|
|
|
|
for send_snapshot in send_snapshots:
|
|
|
|
zfs_transfer(
|
|
ssh_source=args.ssh_source, source_filesystem=source_filesystem, first_snapshot=latest_target_snapshot, second_snapshot=send_snapshot,
|
|
ssh_target=args.ssh_target, target_filesystem=target_filesystem)
|
|
|
|
#now that we succesfully transferred this snapshot, the previous snapshot is obsolete:
|
|
if latest_target_snapshot:
|
|
target_obsolete_snapshots[target_filesystem].append(latest_target_snapshot)
|
|
source_obsolete_snapshots[source_filesystem].append(latest_target_snapshot)
|
|
#we just received a new filesytem?
|
|
else:
|
|
if args.clear_refreservation:
|
|
debug("Clearing refreservation to save space.")
|
|
run(ssh_to=args.ssh_target, test=args.test, cmd=["zfs", "set", "refreservation=none", target_filesystem ])
|
|
|
|
if args.clear_mountpoint:
|
|
debug("Clearing mountpoint property to prevent mounting in the wrong place.")
|
|
run(ssh_to=args.ssh_target, test=args.test, cmd=["zfs", "inherit", "mountpoint", target_filesystem ])
|
|
|
|
latest_target_snapshot=send_snapshot
|
|
|
|
|
|
|
|
############## cleanup section
|
|
#we only do cleanups after everything is complete, to keep everything consistent (same snapshots everywhere)
|
|
|
|
|
|
#find stale backups on target that have become obsolete
|
|
verbose("Getting stale filesystems and snapshots from {0}".format(args.ssh_target))
|
|
stale_target_filesystems=get_stale_backupped_filesystems(ssh_to=args.ssh_target, backup_name=args.backup_name, target_fs=args.target_fs, target_filesystems=target_filesystems)
|
|
debug("Stale target filesystems: {0}".format("\n".join(stale_target_filesystems)))
|
|
|
|
stale_target_snapshots=zfs_get_snapshots(args.ssh_target, stale_target_filesystems, args.backup_name)
|
|
debug("Stale target snapshots: " + str(pprint.pformat(stale_target_snapshots)))
|
|
target_obsolete_snapshots.update(stale_target_snapshots)
|
|
|
|
#determine stale filesystems that have no snapshots left (the can be destroyed)
|
|
#TODO: prevent destroying filesystems that have underlying filesystems that are still active.
|
|
stale_target_destroys=[]
|
|
for stale_target_filesystem in stale_target_filesystems:
|
|
if stale_target_filesystem not in stale_target_snapshots:
|
|
stale_target_destroys.append(stale_target_filesystem)
|
|
|
|
if stale_target_destroys:
|
|
if args.destroy_stale:
|
|
verbose("Destroying stale filesystems on target {0}:\n{1}".format(args.ssh_target, "\n".join(stale_target_destroys)))
|
|
zfs_destroy(ssh_to=args.ssh_target, filesystems=stale_target_destroys, recursive=True)
|
|
else:
|
|
verbose("Stale filesystems on {0}, use --destroy-stale to destroy:\n{1}".format(args.ssh_target, "\n".join(stale_target_destroys)))
|
|
|
|
|
|
#now actually destroy the old snapshots
|
|
source_destroys=determine_destroy_list(source_obsolete_snapshots, args.keep_source)
|
|
if source_destroys:
|
|
verbose("Destroying old snapshots on source {0}:\n{1}".format(args.ssh_source, "\n".join(source_destroys)))
|
|
zfs_destroy_snapshots(ssh_to=args.ssh_source, snapshots=source_destroys)
|
|
|
|
target_destroys=determine_destroy_list(target_obsolete_snapshots, args.keep_target)
|
|
if target_destroys:
|
|
verbose("Destroying old snapshots on target {0}:\n{1}".format(args.ssh_target, "\n".join(target_destroys)))
|
|
zfs_destroy_snapshots(ssh_to=args.ssh_target, snapshots=target_destroys)
|
|
|
|
|
|
verbose("All done")
|