103 lines
2.1 KiB
Go
103 lines
2.1 KiB
Go
package sources
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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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"strings"
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"gopkg.in/flosch/pongo2.v3"
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"github.com/lxc/distrobuilder/shared"
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)
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// Debootstrap represents the debootstrap downloader.
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type Debootstrap struct{}
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// NewDebootstrap creates a new Debootstrap instance.
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func NewDebootstrap() *Debootstrap {
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return &Debootstrap{}
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}
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// Run runs debootstrap.
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func (s *Debootstrap) Run(source shared.DefinitionSource, release, arch, rootfsDir string) error {
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var args []string
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os.RemoveAll(rootfsDir)
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if source.Variant != "" {
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args = append(args, "--variant", source.Variant)
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}
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if arch != "" {
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args = append(args, "--arch", arch)
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}
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if len(source.Keys) > 0 {
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keyring, err := shared.CreateGPGKeyring(source.Keyserver, source.Keys)
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if err != nil {
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return err
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}
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defer os.RemoveAll(path.Dir(keyring))
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args = append(args, "--keyring", keyring)
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}
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args = append(args, release, rootfsDir)
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if source.URL != "" {
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args = append(args, source.URL)
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}
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// If source.Suite is set, create a symlink in /usr/share/debootstrap/scripts
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// pointing release to source.Suite.
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if source.Suite != "" {
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link := filepath.Join("/usr/share/debootstrap/scripts", release)
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err := os.Symlink(source.Suite, link)
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if err != nil {
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return err
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}
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defer os.Remove(link)
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}
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err := shared.RunCommand("debootstrap", args...)
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if err != nil {
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return err
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}
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if source.AptSources != "" {
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ctx := pongo2.Context{
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"source": source,
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// We use an anonymous struct instead of DefinitionImage because we
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// need the mapped architecture, and Release is all one
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// needs in the sources.list.
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"image": struct {
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Release string
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}{
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release,
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},
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}
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out, err := shared.RenderTemplate(source.AptSources, ctx)
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if err != nil {
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return err
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}
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// Append final new line if missing
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if !strings.HasSuffix(out, "\n") {
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out += "\n"
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}
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// Replace content of sources.list with the templated content.
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file, err := os.Create(filepath.Join(rootfsDir, "etc", "apt", "sources.list"))
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if err != nil {
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return err
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}
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defer file.Close()
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file.WriteString(out)
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}
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return nil
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}
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