59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
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package main
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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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)
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// validPresenceKinds is the fixed label taxonomy accepted by the presence board.
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var validPresenceKinds = []string{"node", "host", "stack", "service", "db", "pvc", "infra"}
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// presenceScript locates the presence CLI — homelab WRAPS it, it does not
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// reimplement it. Override with HOMELAB_PRESENCE; defaults to ~/code/scripts/presence.
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func presenceScript() string {
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if p := os.Getenv("HOMELAB_PRESENCE"); p != "" {
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return p
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}
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home, err := os.UserHomeDir()
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if err != nil {
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return "presence"
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}
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return filepath.Join(home, "code", "scripts", "presence")
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}
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// validateLabel checks a presence label is <kind>:<name> with a known kind.
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func validateLabel(label string) error {
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parts := strings.SplitN(label, ":", 2)
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if len(parts) != 2 || parts[0] == "" || parts[1] == "" {
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return fmt.Errorf("label must be <kind>:<name> (e.g. stack:vault), got %q", label)
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}
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for _, k := range validPresenceKinds {
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if parts[0] == k {
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return nil
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}
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}
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return fmt.Errorf("invalid label kind %q; valid kinds: %s", parts[0], strings.Join(validPresenceKinds, ", "))
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}
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// presenceClaim claims label on the board with a purpose note.
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func presenceClaim(label, purpose string) error {
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if err := validateLabel(label); err != nil {
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return err
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}
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args := []string{"claim", label}
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if purpose != "" {
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args = append(args, "--purpose", purpose)
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}
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return runStreaming(presenceScript(), args...)
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}
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// presenceRelease releases a prior claim on label.
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func presenceRelease(label string) error {
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if err := validateLabel(label); err != nil {
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return err
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}
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return runStreaming(presenceScript(), "release", label)
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}
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