61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
// +build !windows
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package daemon
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import (
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"github.com/docker/docker/pkg/stringid"
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"github.com/docker/docker/runconfig"
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"github.com/opencontainers/runc/libcontainer/label"
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)
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// createContainerPlatformSpecificSettings performs platform specific container create functionality
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func createContainerPlatformSpecificSettings(container *Container, config *runconfig.Config) error {
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for spec := range config.Volumes {
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var (
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name, destination string
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parts = strings.Split(spec, ":")
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)
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switch len(parts) {
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case 2:
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name, destination = parts[0], filepath.Clean(parts[1])
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default:
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name = stringid.GenerateNonCryptoID()
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destination = filepath.Clean(parts[0])
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}
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// Skip volumes for which we already have something mounted on that
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// destination because of a --volume-from.
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if container.isDestinationMounted(destination) {
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continue
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}
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path, err := container.GetResourcePath(destination)
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if err != nil {
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return err
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}
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stat, err := os.Stat(path)
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if err == nil && !stat.IsDir() {
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return fmt.Errorf("cannot mount volume over existing file, file exists %s", path)
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}
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v, err := createVolume(name, config.VolumeDriver)
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if err != nil {
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return err
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}
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if err := label.Relabel(v.Path(), container.MountLabel, "z"); err != nil {
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return err
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}
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if err := container.copyImagePathContent(v, destination); err != nil {
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return err
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}
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container.addMountPointWithVolume(destination, v, true)
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}
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return nil
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}
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