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Run docker_credentials_gcr in warmer (#1780)
* run docker_credentials_gcr in warmer * fix tests * fix dockerfiles * fix boilerplate * mend * fix * another lint
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /* | ||
| Copyright 2021 Google LLC | ||
| 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 util | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
|
|
||
| "github.com/pkg/errors" | ||
| "github.com/sirupsen/logrus" | ||
| "github.com/spf13/afero" | ||
| ) | ||
|
|
||
| // DockerConfLocation returns the file system location of the Docker | ||
| // configuration file under the directory set in the DOCKER_CONFIG environment | ||
| // variable. If that variable is not set, it returns the OS-equivalent of | ||
| // "/kaniko/.docker/config.json". | ||
| func DockerConfLocation() string { | ||
| configFile := "config.json" | ||
| if dockerConfig := os.Getenv("DOCKER_CONFIG"); dockerConfig != "" { | ||
| file, err := os.Stat(dockerConfig) | ||
| if err == nil { | ||
| if file.IsDir() { | ||
| return filepath.Join(dockerConfig, configFile) | ||
| } | ||
| } else { | ||
| if os.IsNotExist(err) { | ||
| return string(os.PathSeparator) + filepath.Join("kaniko", ".docker", configFile) | ||
| } | ||
| } | ||
| return filepath.Clean(dockerConfig) | ||
| } | ||
| return string(os.PathSeparator) + filepath.Join("kaniko", ".docker", configFile) | ||
| } | ||
|
|
||
| func ConfigureGCR(flags string) error { | ||
| // Checking for existence of docker.config as it's normally required for | ||
| // authenticated registries and prevent overwriting user provided docker conf | ||
| _, err := afero.NewOsFs().Stat(DockerConfLocation()) | ||
| dockerConfNotExists := os.IsNotExist(err) | ||
| if dockerConfNotExists { | ||
| cmd := exec.Command("docker-credential-gcr", "configure-docker", flags) | ||
| var out bytes.Buffer | ||
| cmd.Stderr = &out | ||
| if err := cmd.Run(); err != nil { | ||
| return errors.Wrap(err, fmt.Sprintf("error while configuring docker-credential-gcr helper: %s : %s", cmd.String(), out.String())) | ||
| } | ||
| } else { | ||
| logrus.Warnf("\nSkip running docker-credential-gcr as user provided docker configuration exists at %s", DockerConfLocation()) | ||
| } | ||
| return nil | ||
| } |
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