juanfont/headscale · error

loading policy: %w

Error message

loading policy: %w

What it means

Error "loading policy: %w" thrown in juanfont/headscale.

Source

Thrown at hscontrol/state/state.go:254

	nodes, err := db.ListNodes()
	if err != nil {
		return nil, fmt.Errorf("loading nodes: %w", err)
	}

	// On startup, all nodes should be marked as offline until they reconnect
	// This ensures we don't have stale online status from previous runs
	for _, node := range nodes {
		node.IsOnline = new(false)
	}

	users, err := db.ListUsers(nil)
	if err != nil {
		return nil, fmt.Errorf("loading users: %w", err)
	}

	pol, err := hsdb.PolicyBytes(db.DB, cfg)
	if err != nil {
		return nil, fmt.Errorf("loading policy: %w", err)
	}

	polMan, err := policy.NewPolicyManager(pol, users, nodes.ViewSlice())
	if err != nil {
		return nil, fmt.Errorf("initializing policy manager: %w", err)
	}

	// Apply defaults for [NodeStore] batch configuration if not set.
	// This ensures tests that create Config directly (without viper) still work.
	batchSize := cmp.Or(cfg.Tuning.NodeStoreBatchSize, defaultNodeStoreBatchSize)

	batchTimeout := cmp.Or(cfg.Tuning.NodeStoreBatchTimeout, defaultNodeStoreBatchTimeout)

	// [policy.PolicyManager.BuildPeerMap] handles both global and per-node filter complexity.
	// This moves the complex peer relationship logic into the policy package where it belongs.
	nodeStore := NewNodeStore(
		nodes,
		func(nodes []types.NodeView) map[types.NodeID][]types.NodeView {

View on GitHub (pinned to 565fd254d0)

Solutions

1. Inspect the wrapped error for the underlying cause and correct the failing condition (loading policy); retry the operation after fixing the input, configuration, or environment.

Example fix

Inspect the wrapped error for the underlying cause and correct the failing condition (loading policy); retry the operation after fixing the input, configuration, or environment.

When it happens

Trigger: Thrown at hscontrol/state/state.go:254 when the library encounters an invalid state.

Common situations: Loading the policy at startup failed. Validate the policy file or database-stored policy with the policy check command.

AI-assisted analysis of juanfont/headscale@565fd254d0 (2026-08-15). Data as JSON: /api/errors/f988f076a489c639. Report an issue: GitHub.