forked from thanos-io/thanos
/
bucket.go
216 lines (187 loc) · 6.06 KB
/
bucket.go
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package main
import (
"context"
"encoding/json"
"fmt"
"os"
"sort"
"text/template"
"time"
"github.com/go-kit/kit/log"
"github.com/improbable-eng/thanos/pkg/block"
"github.com/improbable-eng/thanos/pkg/objstore/client"
"github.com/improbable-eng/thanos/pkg/runutil"
"github.com/improbable-eng/thanos/pkg/verifier"
"github.com/oklog/run"
"github.com/oklog/ulid"
opentracing "github.com/opentracing/opentracing-go"
"github.com/pkg/errors"
"github.com/prometheus/client_golang/prometheus"
"gopkg.in/alecthomas/kingpin.v2"
)
var (
issuesMap = map[string]verifier.Issue{
verifier.IndexIssueID: verifier.IndexIssue,
verifier.OverlappedBlocksIssueID: verifier.OverlappedBlocksIssue,
verifier.DuplicatedCompactionIssueID: verifier.DuplicatedCompactionIssue,
}
allIssues = func() (s []string) {
for id := range issuesMap {
s = append(s, id)
}
sort.Strings(s)
return s
}
)
func registerBucket(m map[string]setupFunc, app *kingpin.Application, name string) {
cmd := app.Command(name, "inspect metric data in an object storage bucket")
objStoreConfig := regCommonObjStoreFlags(cmd, "")
objStoreBackupConfig := regCommonObjStoreFlags(cmd, "-backup")
// Verify command.
verify := cmd.Command("verify", "verify all blocks in the bucket against specified issues")
verifyRepair := verify.Flag("repair", "attempt to repair blocks for which issues were detected").
Short('r').Default("false").Bool()
verifyIssues := verify.Flag("issues", fmt.Sprintf("Issues to verify (and optionally repair). Possible values: %v", allIssues())).
Short('i').Default(verifier.IndexIssueID, verifier.OverlappedBlocksIssueID).Strings()
verifyIDWhitelist := verify.Flag("id-whitelist", "Block IDs to verify (and optionally repair) only. "+
"If none is specified, all blocks will be verified. Repeated field").Strings()
m[name+" verify"] = func(g *run.Group, logger log.Logger, reg *prometheus.Registry, _ opentracing.Tracer, _ bool) error {
bucketConfig, err := objStoreConfig.Content()
if err != nil {
return err
}
bkt, err := client.NewBucket(logger, bucketConfig, reg, name)
if err != nil {
return err
}
defer runutil.CloseWithLogOnErr(logger, bkt, "bucket client")
backupBucketConfig, err := objStoreBackupConfig.Content()
if err != nil {
return err
}
backupBkt, err := client.NewBucket(logger, backupBucketConfig, reg, name)
if err == client.ErrNotFound {
if *verifyRepair {
return errors.Wrap(err, "repair is specified, so backup client is required")
}
} else if err != nil {
return err
} else {
defer runutil.CloseWithLogOnErr(logger, backupBkt, "backup bucket client")
}
// Dummy actor to immediately kill the group after the run function returns.
g.Add(func() error { return nil }, func(error) {})
var (
ctx = context.Background()
v *verifier.Verifier
issues []verifier.Issue
)
for _, i := range *verifyIssues {
issueFn, ok := issuesMap[i]
if !ok {
return errors.Errorf("no such issue name %s", i)
}
issues = append(issues, issueFn)
}
if *verifyRepair {
v = verifier.NewWithRepair(logger, bkt, backupBkt, issues)
} else {
v = verifier.New(logger, bkt, issues)
}
var idMatcher func(ulid.ULID) bool = nil
if len(*verifyIDWhitelist) > 0 {
whilelistIDs := map[string]struct{}{}
for _, bid := range *verifyIDWhitelist {
id, err := ulid.Parse(bid)
if err != nil {
return errors.Wrap(err, "invalid ULID found in --id-whitelist flag")
}
whilelistIDs[id.String()] = struct{}{}
}
idMatcher = func(id ulid.ULID) bool {
if _, ok := whilelistIDs[id.String()]; !ok {
return false
}
return true
}
}
return v.Verify(ctx, idMatcher)
}
ls := cmd.Command("ls", "list all blocks in the bucket")
lsOutput := ls.Flag("output", "Format in which to print each block's information. May be 'json' or custom template.").
Short('o').Default("").String()
m[name+" ls"] = func(g *run.Group, logger log.Logger, reg *prometheus.Registry, _ opentracing.Tracer, _ bool) error {
bucketConfig, err := objStoreConfig.Content()
if err != nil {
return err
}
bkt, err := client.NewBucket(logger, bucketConfig, reg, name)
if err != nil {
return err
}
// Dummy actor to immediately kill the group after the run function returns.
g.Add(func() error { return nil }, func(error) {})
defer runutil.CloseWithLogOnErr(logger, bkt, "bucket client")
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
defer cancel()
var (
format = *lsOutput
printBlock func(id ulid.ULID) error
)
switch format {
case "":
printBlock = func(id ulid.ULID) error {
fmt.Fprintln(os.Stdout, id.String())
return nil
}
case "wide":
printBlock = func(id ulid.ULID) error {
m, err := block.DownloadMeta(ctx, logger, bkt, id)
if err != nil {
return err
}
minTime := time.Unix(m.MinTime/1000, 0)
maxTime := time.Unix(m.MaxTime/1000, 0)
if _, err = fmt.Fprintf(os.Stdout, "%s -- %s - %s Diff: %s, Compaction: %d, Downsample: %d, Source: %s\n",
m.ULID, minTime.Format("2006-01-02 15:04"), maxTime.Format("2006-01-02 15:04"), maxTime.Sub(minTime),
m.Compaction.Level, m.Thanos.Downsample.Resolution, m.Thanos.Source); err != nil {
return err
}
return nil
}
case "json":
enc := json.NewEncoder(os.Stdout)
enc.SetIndent("", "\t")
printBlock = func(id ulid.ULID) error {
m, err := block.DownloadMeta(ctx, logger, bkt, id)
if err != nil {
return err
}
return enc.Encode(&m)
}
default:
tmpl, err := template.New("").Parse(format)
if err != nil {
return errors.Wrap(err, "invalid template")
}
printBlock = func(id ulid.ULID) error {
m, err := block.DownloadMeta(ctx, logger, bkt, id)
if err != nil {
return err
}
if err := tmpl.Execute(os.Stdout, &m); err != nil {
return errors.Wrap(err, "execute template")
}
fmt.Fprintln(os.Stdout, "")
return nil
}
}
return bkt.Iter(ctx, "", func(name string) error {
id, ok := block.IsBlockDir(name)
if !ok {
return nil
}
return printBlock(id)
})
}
}