warkanum
df9b226c7e
Extract init-neutral unit resolution into service/, add initsys.Init with systemd, openrc and runit backends, selected by 'init:' config or autodetect. OpenRC and runit are root only; rootless units run as system services as that user. Add docs and generated examples for all three.
91 lines
2.2 KiB
Go
91 lines
2.2 KiB
Go
package cmd
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import (
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"fmt"
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"github.com/spf13/cobra"
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"github.com/warkanum/unitdore/config"
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"github.com/warkanum/unitdore/initsys"
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)
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var dryRun bool
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var installCmd = &cobra.Command{
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Use: "install",
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Short: "Generate and install systemd unit files for all enabled units",
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Long: `Install generates .service files for all enabled units and writes them
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to the appropriate systemd directory. It does not enable or start them.
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Use --dry-run to preview the generated unit files without writing anything.`,
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RunE: runInstall,
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}
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func init() {
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installCmd.Flags().BoolVar(&dryRun, "dry-run", false, "preview unit files without writing")
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rootCmd.AddCommand(installCmd)
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}
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func runInstall(cmd *cobra.Command, args []string) error {
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cfg, err := config.Load(configPath)
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if err != nil {
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return err
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}
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prefix, suffix := cfg.Prefix, cfg.Suffix
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ini, err := initsys.New(cfg)
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if err != nil {
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return err
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}
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installed := 0
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skipped := 0
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removed := 0
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lingerSeen := map[string]bool{}
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for _, u := range cfg.Units {
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if !u.Enabled {
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// Remove unit file if it exists for disabled units
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if ini.IsInstalled(u, prefix, suffix) {
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if dryRun {
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fmt.Printf(" ~ would remove: %s\n", ini.ServiceName(u, prefix, suffix))
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} else {
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if err := ini.Uninstall(u, prefix, suffix); err != nil {
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fmt.Printf(" ✗ failed to remove %s: %v\n", u.Name, err)
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} else {
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fmt.Printf(" - removed: %s (disabled)\n", ini.ServiceName(u, prefix, suffix))
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removed++
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}
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}
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} else {
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skipped++
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}
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continue
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}
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if dryRun {
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content, err := ini.Generate(u, prefix, suffix)
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if err != nil {
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fmt.Printf(" ✗ %s: %v\n", u.Name, err)
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continue
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}
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path, _ := ini.UnitPath(u, prefix, suffix)
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fmt.Printf("\n--- %s ---\n%s\n", path, content)
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installed++
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continue
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}
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if err := ini.Install(u, prefix, suffix); err != nil {
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fmt.Printf(" ✗ failed: %s: %v\n", u.Name, err)
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} else {
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path, _ := ini.UnitPath(u, prefix, suffix)
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fmt.Printf(" ✓ installed: %s\n", path)
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lingerHint(ini, lingerSeen, u)
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installed++
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}
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}
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if !dryRun {
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fmt.Printf("\nDone. Installed: %d Removed: %d Skipped: %d\n", installed, removed, skipped)
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}
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return nil
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}
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