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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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/* | ||
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. | ||
*/ | ||
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package util | ||
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import ( | ||
"bytes" | ||
"fmt" | ||
"os" | ||
"os/exec" | ||
"path/filepath" | ||
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"github.com/pkg/errors" | ||
"github.com/sirupsen/logrus" | ||
"github.com/spf13/afero" | ||
) | ||
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// 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) | ||
} | ||
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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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