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https://github.com/juanfont/headscale.git
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ensure expire routines are cleaned up (#1924)
Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
This commit is contained in:
parent
a9c568c801
commit
622aa82da2
1 changed files with 63 additions and 46 deletions
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@ -70,7 +70,7 @@ var (
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const (
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AuthPrefix = "Bearer "
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updateInterval = 5000
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updateInterval = 5 * time.Second
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privateKeyFileMode = 0o600
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headscaleDirPerm = 0o700
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@ -219,10 +219,15 @@ func (h *Headscale) redirect(w http.ResponseWriter, req *http.Request) {
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// deleteExpireEphemeralNodes deletes ephemeral node records that have not been
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// seen for longer than h.cfg.EphemeralNodeInactivityTimeout.
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func (h *Headscale) deleteExpireEphemeralNodes(milliSeconds int64) {
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ticker := time.NewTicker(time.Duration(milliSeconds) * time.Millisecond)
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func (h *Headscale) deleteExpireEphemeralNodes(ctx context.Context, every time.Duration) {
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ticker := time.NewTicker(every)
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for range ticker.C {
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for {
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select {
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case <-ctx.Done():
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ticker.Stop()
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return
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case <-ticker.C:
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var removed []types.NodeID
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var changed []types.NodeID
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if err := h.db.Write(func(tx *gorm.DB) error {
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@ -251,18 +256,23 @@ func (h *Headscale) deleteExpireEphemeralNodes(milliSeconds int64) {
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}
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}
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}
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}
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// expireExpiredMachines expires nodes that have an explicit expiry set
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// expireExpiredNodes expires nodes that have an explicit expiry set
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// after that expiry time has passed.
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func (h *Headscale) expireExpiredMachines(intervalMs int64) {
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interval := time.Duration(intervalMs) * time.Millisecond
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ticker := time.NewTicker(interval)
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func (h *Headscale) expireExpiredNodes(ctx context.Context, every time.Duration) {
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ticker := time.NewTicker(every)
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lastCheck := time.Unix(0, 0)
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var update types.StateUpdate
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var changed bool
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for range ticker.C {
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for {
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select {
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case <-ctx.Done():
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ticker.Stop()
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return
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case <-ticker.C:
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if err := h.db.Write(func(tx *gorm.DB) error {
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lastCheck, update, changed = db.ExpireExpiredNodes(tx, lastCheck)
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@ -280,6 +290,7 @@ func (h *Headscale) expireExpiredMachines(intervalMs int64) {
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}
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}
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}
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}
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// scheduledDERPMapUpdateWorker refreshes the DERPMap stored on the global object
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// at a set interval.
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@ -538,10 +549,13 @@ func (h *Headscale) Serve() error {
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return errEmptyInitialDERPMap
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}
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// TODO(kradalby): These should have cancel channels and be cleaned
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// up on shutdown.
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go h.deleteExpireEphemeralNodes(updateInterval)
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go h.expireExpiredMachines(updateInterval)
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expireEphemeralCtx, expireEphemeralCancel := context.WithCancel(context.Background())
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defer expireEphemeralCancel()
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go h.deleteExpireEphemeralNodes(expireEphemeralCtx, updateInterval)
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expireNodeCtx, expireNodeCancel := context.WithCancel(context.Background())
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defer expireNodeCancel()
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go h.expireExpiredNodes(expireNodeCtx, updateInterval)
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if zl.GlobalLevel() == zl.TraceLevel {
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zerolog.RespLog = true
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@ -805,6 +819,9 @@ func (h *Headscale) Serve() error {
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Str("signal", sig.String()).
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Msg("Received signal to stop, shutting down gracefully")
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expireNodeCancel()
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expireEphemeralCancel()
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trace("closing map sessions")
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wg := sync.WaitGroup{}
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for _, mapSess := range h.mapSessions {
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