mirror of
https://github.com/docker/buildx.git
synced 2024-11-22 15:37:16 +08:00
53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
package confutil
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import (
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"os"
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"path"
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"path/filepath"
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"github.com/docker/cli/cli/command"
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"github.com/pelletier/go-toml"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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)
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// ConfigDir will look for correct configuration store path;
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// if `$BUILDX_CONFIG` is set - use it, otherwise use parent directory
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// of Docker config file (i.e. `${DOCKER_CONFIG}/buildx`)
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func ConfigDir(dockerCli command.Cli) string {
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if buildxConfig := os.Getenv("BUILDX_CONFIG"); buildxConfig != "" {
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logrus.Debugf("using config store %q based in \"$BUILDX_CONFIG\" environment variable", buildxConfig)
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return buildxConfig
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}
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buildxConfig := filepath.Join(filepath.Dir(dockerCli.ConfigFile().Filename), "buildx")
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logrus.Debugf("using default config store %q", buildxConfig)
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return buildxConfig
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}
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// DefaultConfigFile returns the default BuildKit configuration file path
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func DefaultConfigFile(dockerCli command.Cli) (string, bool) {
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f := path.Join(ConfigDir(dockerCli), "buildkitd.default.toml")
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if _, err := os.Stat(f); err == nil {
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return f, true
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}
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return "", false
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}
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// loadConfigTree loads BuildKit config toml tree
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func loadConfigTree(fp string) (*toml.Tree, error) {
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f, err := os.Open(fp)
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if err != nil {
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if errors.Is(err, os.ErrNotExist) {
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return nil, nil
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}
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return nil, errors.Wrapf(err, "failed to load config from %s", fp)
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}
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defer f.Close()
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t, err := toml.LoadReader(f)
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if err != nil {
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return t, errors.Wrap(err, "failed to parse config")
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}
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return t, nil
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}
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