51 lines
1021 B
Go
51 lines
1021 B
Go
package daemon
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import (
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"errors"
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"fmt"
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"io/fs"
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"os"
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"path/filepath"
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"isle/bootstrap"
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)
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func loadHostBootstrap(stateDirPath string) (bootstrap.Bootstrap, error) {
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path := bootstrap.StateDirPath(stateDirPath)
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hostBootstrap, err := bootstrap.FromFile(path)
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if errors.Is(err, fs.ErrNotExist) {
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return bootstrap.Bootstrap{}, fmt.Errorf(
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"%q not found, has the daemon ever been run?",
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stateDirPath,
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)
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} else if err != nil {
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return bootstrap.Bootstrap{}, fmt.Errorf("loading %q: %w", stateDirPath, err)
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}
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return hostBootstrap, nil
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}
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func writeBootstrapToStateDir(
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stateDirPath string, hostBootstrap bootstrap.Bootstrap,
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) error {
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var (
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path = bootstrap.StateDirPath(stateDirPath)
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dirPath = filepath.Dir(path)
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)
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if err := os.MkdirAll(dirPath, 0700); err != nil {
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return fmt.Errorf("creating directory %q: %w", dirPath, err)
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}
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f, err := os.Create(path)
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if err != nil {
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return fmt.Errorf("creating file %q: %w", path, err)
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}
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defer f.Close()
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return hostBootstrap.WriteTo(f)
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}
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