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Fix logging

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This commit is contained in:
Ingo Oppermann
2023-05-11 16:12:41 +02:00
parent f566dee9f2
commit e4ca661b25
8 changed files with 142 additions and 94 deletions
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29
cluster/api.go
View File

@@ -72,7 +72,7 @@ func NewAPI(config APIConfig) (API, error) {
a.router.Use(middleware.RecoverWithConfig(middleware.RecoverConfig{
LogErrorFunc: func(c echo.Context, err error, stack []byte) error {
rows := strings.Split(string(stack), "\n")
a.logger.Error().WithField("stack", rows).Log("recovered from a panic")
a.logger.Error().WithField("stack", rows).Log("Recovered from a panic")
return nil
},
}))
@@ -85,7 +85,10 @@ func NewAPI(config APIConfig) (API, error) {
return httpapi.Err(http.StatusBadRequest, "Invalid JSON", "%s", err)
}
a.logger.Debug().WithField("id", r.ID).Log("got join request: %+v", r)
a.logger.Debug().WithFields(log.Fields{
"id": r.ID,
"request": r,
}).Log("Join request: %+v", r)
if r.Origin == a.id {
return httpapi.Err(http.StatusLoopDetected, "", "breaking circuit")
@@ -93,7 +96,7 @@ func NewAPI(config APIConfig) (API, error) {
err := a.cluster.Join(r.Origin, r.ID, r.RaftAddress, "")
if err != nil {
a.logger.Debug().WithError(err).WithField("id", r.ID).Log("unable to join cluster")
a.logger.Debug().WithError(err).WithField("id", r.ID).Log("Unable to join cluster")
return httpapi.Err(http.StatusInternalServerError, "unable to join cluster", "%s", err)
}
@@ -107,7 +110,10 @@ func NewAPI(config APIConfig) (API, error) {
return httpapi.Err(http.StatusBadRequest, "Invalid JSON", "%s", err)
}
a.logger.Debug().WithField("id", r.ID).Log("got leave request: %+v", r)
a.logger.Debug().WithFields(log.Fields{
"id": r.ID,
"request": r,
}).Log("Leave request: %+v", r)
if r.Origin == a.id {
return httpapi.Err(http.StatusLoopDetected, "", "breaking circuit")
@@ -115,7 +121,7 @@ func NewAPI(config APIConfig) (API, error) {
err := a.cluster.Leave(r.Origin, r.ID)
if err != nil {
a.logger.Debug().WithError(err).WithField("id", r.ID).Log("unable to leave cluster")
a.logger.Debug().WithError(err).WithField("id", r.ID).Log("Unable to leave cluster")
return httpapi.Err(http.StatusInternalServerError, "unable to leave cluster", "%s", err)
}
@@ -125,7 +131,7 @@ func NewAPI(config APIConfig) (API, error) {
a.router.GET("/v1/snaphot", func(c echo.Context) error {
data, err := a.cluster.Snapshot()
if err != nil {
a.logger.Debug().WithError(err).Log("unable to create snaphot")
a.logger.Debug().WithError(err).Log("Unable to create snaphot")
return httpapi.Err(http.StatusInternalServerError, "unable to create snapshot", "%s", err)
}
@@ -141,7 +147,7 @@ func NewAPI(config APIConfig) (API, error) {
return httpapi.Err(http.StatusBadRequest, "Invalid JSON", "%s", err)
}
a.logger.Debug().WithField("id", r.Config.ID).Log("got add process request")
a.logger.Debug().WithField("id", r.Config.ID).Log("Add process request")
if r.Origin == a.id {
return httpapi.Err(http.StatusLoopDetected, "", "breaking circuit")
@@ -149,7 +155,7 @@ func NewAPI(config APIConfig) (API, error) {
err := a.cluster.AddProcess(r.Origin, &r.Config)
if err != nil {
a.logger.Debug().WithError(err).WithField("id", r.Config.ID).Log("unable to add process")
a.logger.Debug().WithError(err).WithField("id", r.Config.ID).Log("Unable to add process")
return httpapi.Err(http.StatusInternalServerError, "unable to add process", "%s", err)
}
@@ -163,7 +169,7 @@ func NewAPI(config APIConfig) (API, error) {
return httpapi.Err(http.StatusBadRequest, "Invalid JSON", "%s", err)
}
a.logger.Debug().WithField("id", r.ID).Log("got remove process request")
a.logger.Debug().WithField("id", r.ID).Log("Remove process request")
if r.Origin == a.id {
return httpapi.Err(http.StatusLoopDetected, "", "breaking circuit")
@@ -171,7 +177,7 @@ func NewAPI(config APIConfig) (API, error) {
err := a.cluster.RemoveProcess(r.Origin, r.ID)
if err != nil {
a.logger.Debug().WithError(err).WithField("id", r.ID).Log("unable to remove process")
a.logger.Debug().WithError(err).WithField("id", r.ID).Log("Unable to remove process")
return httpapi.Err(http.StatusInternalServerError, "unable to remove process", "%s", err)
}
@@ -187,10 +193,11 @@ func NewAPI(config APIConfig) (API, error) {
}
func (a *api) Start() error {
a.logger.Debug().Log("starting api at %s", a.address)
a.logger.Debug().WithField("address", a.address).Log("Starting api")
return a.router.Start(a.address)
}
func (a *api) Shutdown(ctx context.Context) error {
a.logger.Debug().WithField("address", a.address).Log("Shutting down api")
return a.router.Shutdown(ctx)
}

68
cluster/cluster.go
View File

@@ -158,7 +158,9 @@ func New(config ClusterConfig) (Cluster, error) {
c.logger = log.New("")
}
store, err := store.NewStore()
store, err := store.NewStore(store.Config{
Logger: c.logger.WithField("logname", "fsm"),
})
if err != nil {
return nil, err
}
@@ -207,7 +209,7 @@ func New(config ClusterConfig) (Cluster, error) {
c.forwarder = forwarder
}
c.logger.Debug().Log("starting raft")
c.logger.Debug().Log("Starting raft")
peers := []raft.Peer{}
@@ -232,7 +234,7 @@ func New(config ClusterConfig) (Cluster, error) {
Store: store,
LeadershipNotifyCh: c.raftNotifyCh,
LeaderObservationCh: c.raftLeaderObservationCh,
Logger: c.logger.WithComponent("raft"),
Logger: c.logger.WithComponent("Raft"),
})
if err != nil {
c.Shutdown()
@@ -260,7 +262,7 @@ func New(config ClusterConfig) (Cluster, error) {
case <-ticker.C:
err := c.Join("", c.id, c.raftAddress, peerAddress)
if err != nil {
c.logger.Warn().WithError(err).Log("unable to join cluster")
c.logger.Warn().WithError(err).Log("Join cluster")
continue
}
@@ -322,7 +324,7 @@ func (c *cluster) CoreAPIAddress(raftAddress string) (string, error) {
}
func (c *cluster) Shutdown() error {
c.logger.Info().Log("shutting down cluster")
c.logger.Info().Log("Shutting down cluster")
c.shutdownLock.Lock()
defer c.shutdownLock.Unlock()
@@ -373,7 +375,7 @@ func (c *cluster) Leave(origin, id string) error {
c.logger.Debug().WithFields(log.Fields{
"nodeid": id,
}).Log("received leave request for node")
}).Log("Received leave request for server")
if !c.IsRaftLeader() {
// Tell the leader to remove us
@@ -386,14 +388,14 @@ func (c *cluster) Leave(origin, id string) error {
left := false
limit := time.Now().Add(c.raftRemoveGracePeriod)
for !left && time.Now().Before(limit) {
c.logger.Debug().Log("waiting for getting removed from the configuration")
c.logger.Debug().Log("Waiting for getting removed from the configuration")
// Sleep a while before we check.
time.Sleep(50 * time.Millisecond)
// Get the latest configuration.
servers, err := c.raft.Servers()
if err != nil {
c.logger.Error().WithError(err).Log("failed to get raft configuration")
c.logger.Error().WithError(err).Log("Raft configuration")
break
}
@@ -408,7 +410,7 @@ func (c *cluster) Leave(origin, id string) error {
}
if !left {
c.logger.Warn().Log("failed to leave raft configuration gracefully, timeout")
c.logger.Warn().Log("Failed to leave raft configuration gracefully, timeout")
}
return nil
@@ -417,7 +419,7 @@ func (c *cluster) Leave(origin, id string) error {
// Count the number of servers in the cluster
servers, err := c.raft.Servers()
if err != nil {
c.logger.Error().WithError(err).Log("failed to get raft configuration")
c.logger.Error().WithError(err).Log("Raft configuration")
return err
}
@@ -427,20 +429,20 @@ func (c *cluster) Leave(origin, id string) error {
// We're going to remove ourselves
if numPeers <= 1 {
// Don't do so if we're the only server in the cluster
c.logger.Debug().Log("we're the leader without any peers, not doing anything")
c.logger.Debug().Log("We're the leader without any peers, not doing anything")
return nil
}
// Transfer the leadership to another server
err := c.leadershipTransfer()
if err != nil {
c.logger.Warn().WithError(err).Log("failed to transfer leadership")
c.logger.Warn().WithError(err).Log("Transfer leadership")
return err
}
// Wait for new leader election
for {
c.logger.Debug().Log("waiting for new leader election")
c.logger.Debug().Log("Waiting for new leader election")
time.Sleep(50 * time.Millisecond)
@@ -463,14 +465,14 @@ func (c *cluster) Leave(origin, id string) error {
left := false
limit := time.Now().Add(c.raftRemoveGracePeriod)
for !left && time.Now().Before(limit) {
c.logger.Debug().Log("waiting for getting removed from the configuration")
c.logger.Debug().Log("Waiting for getting removed from the configuration")
// Sleep a while before we check.
time.Sleep(50 * time.Millisecond)
// Get the latest configuration.
servers, err := c.raft.Servers()
if err != nil {
c.logger.Error().WithError(err).Log("failed to get raft configuration")
c.logger.Error().WithError(err).Log("Raft configuration")
break
}
@@ -492,7 +494,7 @@ func (c *cluster) Leave(origin, id string) error {
if err != nil {
c.logger.Error().WithError(err).WithFields(log.Fields{
"nodeid": id,
}).Log("failed to remove node")
}).Log("Remove server")
return err
}
@@ -502,16 +504,14 @@ func (c *cluster) Leave(origin, id string) error {
func (c *cluster) Join(origin, id, raftAddress, peerAddress string) error {
if !c.IsRaftLeader() {
c.logger.Debug().Log("not leader, forwarding to leader")
c.logger.Debug().Log("Not leader, forwarding to leader")
return c.forwarder.Join(origin, id, raftAddress, peerAddress)
}
c.logger.Debug().Log("leader: joining %s", raftAddress)
c.logger.Debug().WithFields(log.Fields{
"nodeid": id,
"address": raftAddress,
}).Log("received join request for remote node")
}).Log("Received join request for remote server")
// connect to the peer's API in order to find out if our version is compatible
address, err := c.CoreAPIAddress(raftAddress)
@@ -528,7 +528,7 @@ func (c *cluster) Join(origin, id, raftAddress, peerAddress string) error {
servers, err := c.raft.Servers()
if err != nil {
c.logger.Error().WithError(err).Log("failed to get raft configuration")
c.logger.Error().WithError(err).Log("Raft configuration")
return err
}
@@ -545,14 +545,14 @@ func (c *cluster) Join(origin, id, raftAddress, peerAddress string) error {
c.logger.Debug().WithFields(log.Fields{
"nodeid": id,
"address": raftAddress,
}).Log("node is already member of cluster, ignoring join request")
}).Log("Server is already member of cluster, ignoring join request")
} else {
err := c.raft.RemoveServer(srv.ID)
if err != nil {
c.logger.Error().WithError(err).WithFields(log.Fields{
"nodeid": id,
"address": raftAddress,
}).Log("error removing existing node")
}).Log("Removing existing node")
return fmt.Errorf("error removing existing node %s at %s: %w", id, raftAddress, err)
}
}
@@ -569,14 +569,14 @@ func (c *cluster) Join(origin, id, raftAddress, peerAddress string) error {
c.logger.Info().WithFields(log.Fields{
"nodeid": id,
"address": raftAddress,
}).Log("node joined successfully")
}).Log("Joined successfully")
return nil
}
func (c *cluster) Snapshot() (io.ReadCloser, error) {
if !c.IsRaftLeader() {
c.logger.Debug().Log("not leader, forwarding to leader")
c.logger.Debug().Log("Not leader, forwarding to leader")
return c.forwarder.Snapshot()
}
@@ -593,7 +593,7 @@ func (c *cluster) trackNodeChanges() {
// Get the latest configuration.
servers, err := c.raft.Servers()
if err != nil {
c.logger.Error().WithError(err).Log("failed to get raft configuration")
c.logger.Error().WithError(err).Log("Raft configuration")
continue
}
@@ -614,7 +614,7 @@ func (c *cluster) trackNodeChanges() {
c.logger.Warn().WithError(err).WithFields(log.Fields{
"id": id,
"address": server.Address,
}).Log("Discovering core API address failed")
}).Log("Discovering core API address")
continue
}
@@ -624,7 +624,7 @@ func (c *cluster) trackNodeChanges() {
c.logger.Warn().WithError(err).WithFields(log.Fields{
"id": id,
"address": server.Address,
}).Log("Connecting to core API failed")
}).Log("Connecting to core API")
continue
}
@@ -632,7 +632,7 @@ func (c *cluster) trackNodeChanges() {
c.logger.Warn().WithError(err).WithFields(log.Fields{
"id": id,
"address": address,
}).Log("Adding node failed")
}).Log("Adding node")
}
c.nodes[id] = node
@@ -667,7 +667,7 @@ func (c *cluster) trackLeaderChanges() {
case leaderAddress := <-c.raftLeaderObservationCh:
c.logger.Debug().WithFields(log.Fields{
"address": leaderAddress,
}).Log("new leader observation")
}).Log("Leader observation")
if len(leaderAddress) != 0 {
leaderAddress, _ = c.ClusterAPIAddress(leaderAddress)
}
@@ -773,7 +773,7 @@ func (c *cluster) About() (ClusterAbout, error) {
servers, err := c.raft.Servers()
if err != nil {
c.logger.Error().WithError(err).Log("failed to get raft configuration")
c.logger.Error().WithError(err).Log("Raft configuration")
return ClusterAbout{}, err
}
@@ -808,14 +808,14 @@ func (c *cluster) sentinel() {
"state": stats.State,
"last_contact": stats.LastContact.String(),
"num_peers": stats.NumPeers,
}).Log("stats")
}).Log("Stats")
if stats.LastContact > 10*time.Second && !isEmergencyLeader {
c.logger.Warn().Log("force leadership due to lost contact to leader")
c.logger.Warn().Log("Force leadership due to lost contact to leader")
c.raftEmergencyNotifyCh <- true
isEmergencyLeader = true
} else if stats.LastContact <= 10*time.Second && isEmergencyLeader {
c.logger.Warn().Log("stop forced leadership due to contact to leader")
c.logger.Warn().Log("Stop forced leadership due to contact to leader")
c.raftEmergencyNotifyCh <- false
isEmergencyLeader = false
}

6
cluster/forwarder/forwarder.go
View File

@@ -73,7 +73,7 @@ func (f *forwarder) SetLeader(address string) {
return
}
f.logger.Debug().Log("setting leader address to %s", address)
f.logger.Debug().Log("Setting leader address to %s", address)
f.client.Address = address
}
@@ -93,7 +93,7 @@ func (f *forwarder) Join(origin, id, raftAddress, peerAddress string) error {
RaftAddress: raftAddress,
}
f.logger.Debug().WithField("request", r).Log("forwarding to leader")
f.logger.Debug().WithField("request", r).Log("Forwarding to leader")
f.lock.RLock()
client := f.client
@@ -119,7 +119,7 @@ func (f *forwarder) Leave(origin, id string) error {
ID: id,
}
f.logger.Debug().WithField("request", r).Log("forwarding to leader")
f.logger.Debug().WithField("request", r).Log("Forwarding to leader")
f.lock.RLock()
client := f.client

60
cluster/leader.go
View File

@@ -83,14 +83,14 @@ func (c *cluster) monitorLeadership() {
// shutdown any leader and emergency loop
if weAreLeaderCh != nil {
c.logger.Debug().Log("shutting down leader loop")
c.logger.Debug().Log("Shutting down leader loop")
close(weAreLeaderCh)
leaderLoop.Wait()
weAreLeaderCh = nil
}
if weAreEmergencyLeaderCh != nil {
c.logger.Debug().Log("shutting down emergency leader loop")
c.logger.Debug().Log("Shutting down emergency leader loop")
close(weAreEmergencyLeaderCh)
emergencyLeaderLoop.Wait()
weAreEmergencyLeaderCh = nil
@@ -103,7 +103,7 @@ func (c *cluster) monitorLeadership() {
c.followerLoop(ch)
}(weAreFollowerCh)
c.logger.Info().Log("cluster followship acquired")
c.logger.Info().Log("Cluster followship acquired")
c.leaderLock.Lock()
c.isRaftLeader = false
@@ -117,14 +117,14 @@ func (c *cluster) monitorLeadership() {
// shutdown any follower and emergency loop
if weAreFollowerCh != nil {
c.logger.Debug().Log("shutting down follower loop")
c.logger.Debug().Log("Shutting down follower loop")
close(weAreFollowerCh)
followerLoop.Wait()
weAreFollowerCh = nil
}
if weAreEmergencyLeaderCh != nil {
c.logger.Debug().Log("shutting down emergency leader loop")
c.logger.Debug().Log("Shutting down emergency leader loop")
close(weAreEmergencyLeaderCh)
emergencyLeaderLoop.Wait()
weAreEmergencyLeaderCh = nil
@@ -136,7 +136,7 @@ func (c *cluster) monitorLeadership() {
defer leaderLoop.Done()
c.leaderLoop(ch, false)
}(weAreLeaderCh)
c.logger.Info().Log("cluster leadership acquired")
c.logger.Info().Log("Cluster leadership acquired")
c.leaderLock.Lock()
c.isRaftLeader = true
@@ -150,14 +150,14 @@ func (c *cluster) monitorLeadership() {
// shutdown any follower and leader loop
if weAreFollowerCh != nil {
c.logger.Debug().Log("shutting down follower loop")
c.logger.Debug().Log("Shutting down follower loop")
close(weAreFollowerCh)
followerLoop.Wait()
weAreFollowerCh = nil
}
if weAreLeaderCh != nil {
c.logger.Debug().Log("shutting down leader loop")
c.logger.Debug().Log("Shutting down leader loop")
close(weAreLeaderCh)
leaderLoop.Wait()
weAreLeaderCh = nil
@@ -169,7 +169,7 @@ func (c *cluster) monitorLeadership() {
defer emergencyLeaderLoop.Done()
c.leaderLoop(ch, true)
}(weAreEmergencyLeaderCh)
c.logger.Info().Log("cluster emergency leadership acquired")
c.logger.Info().Log("Sluster emergency leadership acquired")
c.leaderLock.Lock()
c.isRaftLeader = false
@@ -192,15 +192,15 @@ func (c *cluster) leadershipTransfer() error {
c.logger.Error().WithError(err).WithFields(log.Fields{
"attempt": i,
"retry_limit": retryCount,
}).Log("failed to transfer leadership attempt, will retry")
}).Log("Transfer leadership attempt, will retry")
} else {
c.logger.Info().WithFields(log.Fields{
"attempt": i,
"retry_limit": retryCount,
}).Log("successfully transferred leadership")
}).Log("Successfully transferred leadership")
for {
c.logger.Debug().Log("waiting for losing leadership")
c.logger.Debug().Log("Waiting for losing leadership")
time.Sleep(50 * time.Millisecond)
@@ -216,6 +216,7 @@ func (c *cluster) leadershipTransfer() error {
return nil
}
}
return fmt.Errorf("failed to transfer leadership in %d attempts", retryCount)
}
@@ -232,7 +233,7 @@ RECONCILE:
if !emergency {
err := c.raft.Barrier(time.Minute)
if err != nil {
c.logger.Error().WithError(err).Log("failed to wait for barrier")
c.logger.Error().WithError(err).Log("Wait for barrier")
goto WAIT
}
}
@@ -240,7 +241,7 @@ RECONCILE:
// Check if we need to handle initial leadership actions
if !establishedLeader {
if err := c.establishLeadership(context.TODO()); err != nil {
c.logger.Error().WithError(err).Log("failed to establish leadership")
c.logger.Error().WithError(err).Log("Establish leadership")
// Immediately revoke leadership since we didn't successfully
// establish leadership.
c.revokeLeadership()
@@ -251,7 +252,7 @@ RECONCILE:
// will try to acquire it again after
// 5 seconds.
if err := c.leadershipTransfer(); err != nil {
c.logger.Error().WithError(err).Log("failed to transfer leadership")
c.logger.Error().WithError(err).Log("Transfer leadership")
interval = time.After(5 * time.Second)
goto WAIT
}
@@ -285,7 +286,7 @@ WAIT:
}
func (c *cluster) establishLeadership(ctx context.Context) error {
c.logger.Debug().Log("establishing leadership")
c.logger.Debug().Log("Establishing leadership")
ctx, cancel := context.WithCancel(ctx)
c.cancelLeaderShip = cancel
@@ -296,7 +297,7 @@ func (c *cluster) establishLeadership(ctx context.Context) error {
}
func (c *cluster) revokeLeadership() {
c.logger.Debug().Log("revoking leadership")
c.logger.Debug().Log("Revoking leadership")
c.cancelLeaderShip()
}
@@ -361,7 +362,7 @@ func (c *cluster) applyOpStack(stack []interface{}) {
c.logger.Info().WithError(err).WithFields(log.Fields{
"processid": v.config.ID,
"nodeid": v.nodeid,
}).Log("Adding process failed")
}).Log("Adding process")
break
}
err = c.proxy.ProcessStart(v.nodeid, v.config.ID)
@@ -369,7 +370,7 @@ func (c *cluster) applyOpStack(stack []interface{}) {
c.logger.Info().WithError(err).WithFields(log.Fields{
"processid": v.config.ID,
"nodeid": v.nodeid,
}).Log("Starting process failed")
}).Log("Starting process")
break
}
c.logger.Info().WithFields(log.Fields{
@@ -382,7 +383,7 @@ func (c *cluster) applyOpStack(stack []interface{}) {
c.logger.Info().WithError(err).WithFields(log.Fields{
"processid": v.processid,
"nodeid": v.nodeid,
}).Log("Removing process failed")
}).Log("Removing process")
break
}
c.logger.Info().WithFields(log.Fields{
@@ -396,7 +397,7 @@ func (c *cluster) applyOpStack(stack []interface{}) {
"processid": v.config.ID,
"fromnodeid": v.fromNodeid,
"tonodeid": v.toNodeid,
}).Log("Moving process, adding process failed")
}).Log("Moving process, adding process")
break
}
err = c.proxy.ProcessDelete(v.fromNodeid, v.config.ID)
@@ -405,7 +406,7 @@ func (c *cluster) applyOpStack(stack []interface{}) {
"processid": v.config.ID,
"fromnodeid": v.fromNodeid,
"tonodeid": v.toNodeid,
}).Log("Moving process, removing process failed")
}).Log("Moving process, removing process")
break
}
err = c.proxy.ProcessStart(v.toNodeid, v.config.ID)
@@ -414,7 +415,7 @@ func (c *cluster) applyOpStack(stack []interface{}) {
"processid": v.config.ID,
"fromnodeid": v.fromNodeid,
"tonodeid": v.toNodeid,
}).Log("Moving process, starting process failed")
}).Log("Moving process, starting process")
break
}
c.logger.Info().WithFields(log.Fields{
@@ -428,7 +429,7 @@ func (c *cluster) applyOpStack(stack []interface{}) {
c.logger.Info().WithError(err).WithFields(log.Fields{
"processid": v.processid,
"nodeid": v.nodeid,
}).Log("Starting process failed")
}).Log("Starting process")
break
}
c.logger.Info().WithFields(log.Fields{
@@ -453,6 +454,12 @@ func (c *cluster) doSynchronize() {
have := c.proxy.ProcessList()
resources := c.proxy.Resources()
c.logger.Debug().WithFields(log.Fields{
"want": want,
"have": have,
"resources": resources,
}).Log("Synchronize")
opStack := synchronize(want, have, resources)
c.applyOpStack(opStack)
@@ -462,6 +469,11 @@ func (c *cluster) doRebalance() {
have := c.proxy.ProcessList()
resources := c.proxy.Resources()
c.logger.Debug().WithFields(log.Fields{
"have": have,
"resources": resources,
}).Log("Rebalance")
opStack := rebalance(have, resources)
c.applyOpStack(opStack)

5
cluster/logger/logger.go
View File

@@ -4,6 +4,7 @@ import (
"io"
golog "log"
"os"
"strings"
"github.com/datarhei/core/v16/log"
@@ -44,6 +45,10 @@ func (l *hclogger) Log(level hclog.Level, msg string, args ...interface{}) {
logger = logger.Error()
}
if len(msg) != 0 {
msg = strings.ToUpper(msg[:1]) + msg[1:]
}
logger.Log(msg)
}

4
cluster/proxy/proxy.go
View File

@@ -193,7 +193,7 @@ func (p *proxy) Start() {
p.running = true
p.logger.Debug().Log("starting proxy")
p.logger.Debug().Log("Starting proxy")
ctx, cancel := context.WithCancel(context.Background())
p.cancel = cancel
@@ -246,7 +246,7 @@ func (p *proxy) Stop() {
p.running = false
p.logger.Debug().Log("stopping proxy")
p.logger.Debug().Log("Stopping proxy")
p.cancel()
p.cancel = nil

20
cluster/raft/raft.go
View File

@@ -110,6 +110,12 @@ func New(config Config) (Raft, error) {
raftAddress: config.Address,
leadershipNotifyCh: config.LeadershipNotifyCh,
leaderObservationCh: config.LeaderObservationCh,
shutdownCh: make(chan struct{}),
logger: config.Logger,
}
if r.logger == nil {
r.logger = log.New("")
}
err := r.start(config.Store, config.Bootstrap, config.Recover, config.Peers, false)
@@ -319,7 +325,7 @@ func (r *raft) start(fsm hcraft.FSM, bootstrap, recover bool, peers []Peer, inme
return err
}
r.logger.Debug().Log("address: %s", addr)
r.logger.Debug().Log("Address: %s", addr)
transport, err := hcraft.NewTCPTransportWithLogger(r.raftAddress, addr, 3, 10*time.Second, raftlogger.New(r.logger, hclog.Debug).Named("raft-transport"))
if err != nil {
@@ -396,10 +402,10 @@ func (r *raft) start(fsm hcraft.FSM, bootstrap, recover bool, peers []Peer, inme
return fmt.Errorf("bootstrapping cluster: %w", err)
}
r.logger.Debug().Log("raft node bootstrapped")
r.logger.Debug().Log("Raft node bootstrapped")
} else {
// Recover cluster
fsm, err := store.NewStore()
fsm, err := store.NewStore(store.Config{})
if err != nil {
return err
}
@@ -428,7 +434,7 @@ func (r *raft) start(fsm hcraft.FSM, bootstrap, recover bool, peers []Peer, inme
return fmt.Errorf("recovering cluster: %w", err)
}
r.logger.Debug().Log("raft node recoverd")
r.logger.Debug().Log("Raft node recoverd")
}
// Set up a channel for reliable leader notifications.
@@ -446,7 +452,7 @@ func (r *raft) start(fsm hcraft.FSM, bootstrap, recover bool, peers []Peer, inme
go r.trackLeaderChanges()
go r.monitorLeadership()
r.logger.Debug().Log("raft started")
r.logger.Debug().Log("Raft started")
return nil
}
@@ -490,7 +496,7 @@ func (r *raft) trackLeaderChanges() {
r.logger.Debug().WithFields(log.Fields{
"id": leaderObs.LeaderID,
"address": leaderObs.LeaderAddr,
}).Log("new leader observation")
}).Log("New leader observation")
leaderAddress := string(leaderObs.LeaderAddr)
@@ -501,7 +507,7 @@ func (r *raft) trackLeaderChanges() {
}
}
} else {
r.logger.Debug().WithField("type", reflect.TypeOf(obs.Data)).Log("got unknown observation type from raft")
r.logger.Debug().WithField("type", reflect.TypeOf(obs.Data)).Log("Unknown observation type from raft")
continue
}
case <-r.shutdownCh:

44
cluster/store/store.go
View File

@@ -6,6 +6,7 @@ import (
"io"
"sync"
"github.com/datarhei/core/v16/log"
"github.com/datarhei/core/v16/restream/app"
"github.com/hashicorp/raft"
@@ -42,27 +43,44 @@ type CommandRemoveProcess struct {
type store struct {
lock sync.RWMutex
Process map[string]app.Config
logger log.Logger
}
func NewStore() (Store, error) {
return &store{
type Config struct {
Logger log.Logger
}
func NewStore(config Config) (Store, error) {
s := &store{
Process: map[string]app.Config{},
}, nil
logger: config.Logger,
}
func (s *store) Apply(log *raft.Log) interface{} {
fmt.Printf("a log entry came in (index=%d, term=%d): %s\n", log.Index, log.Term, string(log.Data))
if s.logger == nil {
s.logger = log.New("")
}
return s, nil
}
func (s *store) Apply(entry *raft.Log) interface{} {
logger := s.logger.WithFields(log.Fields{
"index": entry.Index,
"term": entry.Term,
})
logger.Debug().WithField("data", string(entry.Data)).Log("New entry")
c := Command{}
err := json.Unmarshal(log.Data, &c)
err := json.Unmarshal(entry.Data, &c)
if err != nil {
fmt.Printf("invalid log entry\n")
return nil
logger.Error().WithError(err).Log("Invalid entry")
return fmt.Errorf("invalid log entry")
}
fmt.Printf("op: %s\n", c.Operation)
fmt.Printf("op: %+v\n", c)
logger.Debug().WithField("operation", c.Operation).Log("")
switch c.Operation {
case OpAddProcess:
@@ -84,13 +102,13 @@ func (s *store) Apply(log *raft.Log) interface{} {
}
s.lock.RLock()
fmt.Printf("\n==> %+v\n\n", s.Process)
s.logger.Debug().WithField("processes", s.Process).Log("")
s.lock.RUnlock()
return nil
}
func (s *store) Snapshot() (raft.FSMSnapshot, error) {
fmt.Printf("a snapshot is requested\n")
s.logger.Debug().Log("Snapshot request")
s.lock.Lock()
defer s.lock.Unlock()
@@ -106,7 +124,7 @@ func (s *store) Snapshot() (raft.FSMSnapshot, error) {
}
func (s *store) Restore(snapshot io.ReadCloser) error {
fmt.Printf("a snapshot is restored\n")
s.logger.Debug().Log("Snapshot restore")
defer snapshot.Close()