mirror of https://github.com/restic/restic.git
Merge pull request #1196 from mungomat/forget_groupByTagsOnly
forget: group-by-tags-only
This commit is contained in:
Alexander Neumann
commit
b6aeea425b
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@ -6,6 +6,7 @@ import (
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"sort"
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"strings"
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"github.com/restic/restic/internal/errors"
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"github.com/restic/restic/internal/restic"
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"github.com/spf13/cobra"
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)
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@ -38,7 +39,8 @@ type ForgetOptions struct {
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Tags restic.TagLists
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Paths []string
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GroupByTags bool
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// Grouping
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GroupBy string
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DryRun bool
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Prune bool
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}
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@ -57,7 +59,6 @@ func init() {
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f.IntVarP(&forgetOptions.Yearly, "keep-yearly", "y", 0, "keep the last `n` yearly snapshots")
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f.Var(&forgetOptions.KeepTags, "keep-tag", "keep snapshots with this `taglist` (can be specified multiple times)")
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f.BoolVarP(&forgetOptions.GroupByTags, "group-by-tags", "G", false, "Group by host,paths,tags instead of just host,paths")
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// Sadly the commonly used shortcut `H` is already used.
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f.StringVar(&forgetOptions.Host, "host", "", "only consider snapshots with the given `host`")
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// Deprecated since 2017-03-07.
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@ -65,6 +66,7 @@ func init() {
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f.Var(&forgetOptions.Tags, "tag", "only consider snapshots which include this `taglist` in the format `tag[,tag,...]` (can be specified multiple times)")
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f.StringArrayVar(&forgetOptions.Paths, "path", nil, "only consider snapshots which include this (absolute) `path` (can be specified multiple times)")
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f.StringVarP(&forgetOptions.GroupBy, "group-by", "g", "host,paths", "string for grouping snapshots by host,paths,tags")
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f.BoolVarP(&forgetOptions.DryRun, "dry-run", "n", false, "do not delete anything, just print what would be done")
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f.BoolVar(&forgetOptions.Prune, "prune", false, "automatically run the 'prune' command if snapshots have been removed")
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@ -91,6 +93,27 @@ func runForget(opts ForgetOptions, gopts GlobalOptions, args []string) error {
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}
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snapshotGroups := make(map[string]restic.Snapshots)
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var GroupByTag bool
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var GroupByHost bool
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var GroupByPath bool
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var GroupOptionList []string
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GroupOptionList = strings.Split(opts.GroupBy, ",")
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for _, option := range GroupOptionList {
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switch option {
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case "host":
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GroupByHost = true
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case "paths":
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GroupByPath = true
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case "tags":
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GroupByTag = true
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case "":
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default:
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return errors.Fatal("unknown grouping option: '" + option + "'")
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}
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}
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ctx, cancel := context.WithCancel(gopts.ctx)
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defer cancel()
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for sn := range FindFilteredSnapshots(ctx, repo, opts.Host, opts.Tags, opts.Paths, args) {
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@ -106,13 +129,28 @@ func runForget(opts ForgetOptions, gopts GlobalOptions, args []string) error {
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Verbosef("would have removed snapshot %v\n", sn.ID().Str())
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}
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} else {
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// Determing grouping-keys
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var tags []string
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if opts.GroupByTags {
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var hostname string
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var paths []string
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if GroupByTag {
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tags = sn.Tags
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sort.StringSlice(tags).Sort()
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}
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if GroupByHost {
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hostname = sn.Hostname
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}
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if GroupByPath {
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paths = sn.Paths
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}
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sort.StringSlice(sn.Paths).Sort()
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k, err := json.Marshal(key{Hostname: sn.Hostname, Tags: tags, Paths: sn.Paths})
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var k []byte
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var err error
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k, err = json.Marshal(key{Tags: tags, Hostname: hostname, Paths: paths})
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if err != nil {
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return err
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}
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@ -144,11 +182,24 @@ func runForget(opts ForgetOptions, gopts GlobalOptions, args []string) error {
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if json.Unmarshal([]byte(k), &key) != nil {
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return err
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}
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if opts.GroupByTags {
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Verbosef("snapshots for host %v, tags [%v], paths: [%v]:\n\n", key.Hostname, strings.Join(key.Tags, ", "), strings.Join(key.Paths, ", "))
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} else {
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Verbosef("snapshots for host %v, paths: [%v]:\n\n", key.Hostname, strings.Join(key.Paths, ", "))
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// Info
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Verbosef("snapshots")
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var infoStrings []string
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if GroupByTag {
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infoStrings = append(infoStrings, "tags ["+strings.Join(key.Tags, ", ")+"]")
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}
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if GroupByHost {
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infoStrings = append(infoStrings, "host ["+key.Hostname+"]")
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}
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if GroupByPath {
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infoStrings = append(infoStrings, "paths ["+strings.Join(key.Paths, ", ")+"]")
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}
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if infoStrings != nil {
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Verbosef(" for (" + strings.Join(infoStrings, ", ") + ")")
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}
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Verbosef(":\n\n")
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keep, remove := restic.ApplyPolicy(snapshotGroup, policy)
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if len(keep) != 0 && !gopts.Quiet {
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@ -50,10 +50,6 @@ data after 'forget' was run successfully, see the 'prune' command.
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\fB\-\-keep\-tag\fP=[]
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keep snapshots with this \fB\fCtaglist\fR (can be specified multiple times)
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.PP
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\fB\-G\fP, \fB\-\-group\-by\-tags\fP[=false]
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Group by host,paths,tags instead of just host,paths
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.PP
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\fB\-\-host\fP=""
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only consider snapshots with the given \fB\fChost\fR
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@ -70,6 +66,10 @@ data after 'forget' was run successfully, see the 'prune' command.
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\fB\-\-path\fP=[]
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only consider snapshots which include this (absolute) \fB\fCpath\fR (can be specified multiple times)
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.PP
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\fB\-g\fP, \fB\-\-group\-by\fP="host,paths"
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string for grouping snapshots by host,paths,tags
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.PP
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\fB\-n\fP, \fB\-\-dry\-run\fP[=false]
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do not delete anything, just print what would be done
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