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Add support for AR, allow running locally
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| // Copyright 2019 The GCR Cleaner Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| // Package main defines the CLI interface for GCR Cleaner. | ||
| package main | ||
|
|
||
| import ( | ||
| "flag" | ||
| "fmt" | ||
| "os" | ||
| "runtime" | ||
| "time" | ||
|
|
||
| gcrauthn "github.com/google/go-containerregistry/pkg/authn" | ||
| gcrgoogle "github.com/google/go-containerregistry/pkg/v1/google" | ||
| "github.com/sethvargo/gcr-cleaner/pkg/gcrcleaner" | ||
| ) | ||
|
|
||
| var ( | ||
| stdout = os.Stdout | ||
| stderr = os.Stderr | ||
|
|
||
| tokenPtr = flag.String("token", os.Getenv("GCRCLEANER_TOKEN"), "Authentication token") | ||
| repoPtr = flag.String("repo", "", "Repository name") | ||
| gracePtr = flag.Duration("grace", 0, "Grace period") | ||
| allowTaggedPtr = flag.Bool("allow-tagged", false, "Delete tagged images") | ||
| keepPtr = flag.Int("keep", 0, "Minimum to keep") | ||
| ) | ||
|
|
||
| func main() { | ||
| flag.Parse() | ||
|
|
||
| if err := realMain(); err != nil { | ||
| fmt.Fprintf(stderr, "%s\n", err) | ||
| os.Exit(1) | ||
| } | ||
| } | ||
|
|
||
| func realMain() error { | ||
| if *repoPtr == "" { | ||
| return fmt.Errorf("missing -repo") | ||
| } | ||
|
|
||
| // Try to find the "best" authentication. | ||
| var auther gcrauthn.Authenticator | ||
| if *tokenPtr != "" { | ||
| auther = &gcrauthn.Bearer{Token: *tokenPtr} | ||
| } else { | ||
| var err error | ||
| auther, err = gcrgoogle.NewEnvAuthenticator() | ||
| if err != nil { | ||
| return fmt.Errorf("failed to setup auther: %w", err) | ||
| } | ||
| } | ||
|
|
||
| concurrency := runtime.NumCPU() | ||
| cleaner, err := gcrcleaner.NewCleaner(auther, concurrency) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to create cleaner: %w", err) | ||
| } | ||
|
|
||
| // Convert duration to a negative value, since we're about to "add" it to the | ||
| // since time. | ||
| sub := time.Duration(*gracePtr) | ||
| if *gracePtr > 0 { | ||
| sub = sub * -1 | ||
| } | ||
| since := time.Now().UTC().Add(sub) | ||
|
|
||
| // Do the deletion. | ||
| fmt.Fprintf(stdout, "%s: deleting refs since %s\n", *repoPtr, since) | ||
| deleted, err := cleaner.Clean(*repoPtr, since, *allowTaggedPtr, *keepPtr) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fmt.Fprintf(stdout, "%s: successfully deleted %d refs", *repoPtr, len(deleted)) | ||
|
|
||
| return nil | ||
| } |
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