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https://github.com/juanfont/headscale.git
synced 2024-12-24 00:37:52 +00:00
Add lastUpdate field to machine, function issue message on update channel
This commit adds a new field to machine, lastSuccessfulUpdate which tracks when we last was able to send a proper mapupdate to the node. The purpose of this is to be able to compare to a "global" last updated time and determine if we need to send an update map request to a node. In addition it allows us to create a scheduled check to see if all known nodes are up to date. Also, add a helper function to send a message to the update channel of a machine.
This commit is contained in:
parent
6fa61380b2
commit
2f883410d2
81
machine.go
81
machine.go
@ -2,6 +2,7 @@ package headscale
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import (
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"encoding/json"
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"errors"
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"fmt"
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"sort"
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"strconv"
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@ -31,8 +32,9 @@ type Machine struct {
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AuthKeyID uint
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AuthKey *PreAuthKey
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LastSeen *time.Time
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Expiry *time.Time
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LastSeen *time.Time
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LastSuccessfulUpdate *time.Time
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Expiry *time.Time
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HostInfo datatypes.JSON
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Endpoints datatypes.JSON
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@ -211,6 +213,13 @@ func (h *Headscale) GetMachineByID(id uint64) (*Machine, error) {
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return &m, nil
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}
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func (h *Headscale) UpdateMachine(m *Machine) error {
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if result := h.db.Find(m).First(&m); result.Error != nil {
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return result.Error
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}
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return nil
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}
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// DeleteMachine softs deletes a Machine from the database
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func (h *Headscale) DeleteMachine(m *Machine) error {
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m.Registered = false
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@ -251,21 +260,67 @@ func (m *Machine) GetHostInfo() (*tailcfg.Hostinfo, error) {
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func (h *Headscale) notifyChangesToPeers(m *Machine) {
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peers, _ := h.getPeers(*m)
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for _, p := range *peers {
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pUp, ok := h.clientsPolling.Load(uint64(p.ID))
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if ok {
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log.Info().
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Str("func", "notifyChangesToPeers").
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Str("machine", m.Name).
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Str("peer", p.Name).
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Str("address", p.Addresses[0].String()).
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Msgf("Notifying peer %s (%s)", p.Name, p.Addresses[0])
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err := h.requestUpdate(p)
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if err != nil {
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log.Info().
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Str("func", "notifyChangesToPeers").
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Str("machine", m.Name).
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Str("peer", m.Name).
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Str("address", p.Addresses[0].String()).
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Msgf("Notifying peer %s (%s)", p.Name, p.Addresses[0])
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pUp.(chan []byte) <- []byte{}
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} else {
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log.Info().
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Str("func", "notifyChangesToPeers").
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Str("machine", m.Name).
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Str("peer", m.Name).
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Str("peer", p.Name).
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Msgf("Peer %s does not appear to be polling", p.Name)
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}
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log.Trace().
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Str("func", "notifyChangesToPeers").
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Str("machine", m.Name).
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Str("peer", p.Name).
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Str("address", p.Addresses[0].String()).
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Msgf("Notified peer %s (%s)", p.Name, p.Addresses[0])
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}
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}
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func (h *Headscale) requestUpdate(m *tailcfg.Node) error {
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pUp, ok := h.clientsUpdateChannels.Load(uint64(m.ID))
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if ok {
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log.Info().
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Str("func", "requestUpdate").
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Str("machine", m.Name).
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Msgf("Notifying peer %s", m.Name)
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if update, ok := pUp.(chan struct{}); ok {
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log.Trace().
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Str("func", "requestUpdate").
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Str("machine", m.Name).
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Msgf("Update channel is %#v", update)
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update <- struct{}{}
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log.Trace().
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Str("func", "requestUpdate").
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Str("machine", m.Name).
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Msgf("Notified machine %s", m.Name)
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}
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} else {
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log.Info().
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Str("func", "requestUpdate").
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Str("machine", m.Name).
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Msgf("Machine %s does not appear to be polling", m.Name)
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return errors.New("machine does not seem to be polling")
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}
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return nil
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}
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func (h *Headscale) isOutdated(m *Machine) bool {
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lastChange := h.getLastStateChange()
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log.Trace().
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Str("func", "keepAlive").
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Str("machine", m.Name).
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Time("last_successful_update", *m.LastSuccessfulUpdate).
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Time("last_state_change", lastChange).
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Msgf("Checking if %s is missing updates", m.Name)
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return m.LastSuccessfulUpdate.Before(lastChange)
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}
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