func Initialize() (*NodeHealer, error) {
if HealerInstance != nil {
return nil, errors.New("healer alread initialized")
}
autoHealingNodes, err := config.GetBool("docker:healing:heal-nodes")
if err != nil {
autoHealingNodes = true
}
if !autoHealingNodes {
return nil, nil
}
disabledSeconds, _ := config.GetInt("docker:healing:disabled-time")
if disabledSeconds <= 0 {
disabledSeconds = 30
}
maxFailures, _ := config.GetInt("docker:healing:max-failures")
if maxFailures <= 0 {
maxFailures = 5
}
waitSecondsNewMachine, _ := config.GetInt("docker:healing:wait-new-time")
if waitSecondsNewMachine <= 0 {
waitSecondsNewMachine = 5 * 60
}
HealerInstance = newNodeHealer(nodeHealerArgs{
DisabledTime: time.Duration(disabledSeconds) * time.Second,
WaitTimeNewMachine: time.Duration(waitSecondsNewMachine) * time.Second,
FailuresBeforeHealing: maxFailures,
})
shutdown.Register(HealerInstance)
return HealerInstance, nil
}
func Queue() (monsterqueue.Queue, error) {
queueData.RLock()
if queueData.instance != nil {
defer queueData.RUnlock()
return queueData.instance, nil
}
queueData.RUnlock()
queueData.Lock()
defer queueData.Unlock()
if queueData.instance != nil {
return queueData.instance, nil
}
queueMongoUrl, _ := config.GetString("queue:mongo-url")
if queueMongoUrl == "" {
queueMongoUrl = "localhost:27017"
}
queueMongoDB, _ := config.GetString("queue:mongo-database")
conf := mongodb.QueueConfig{
CollectionPrefix: "tsuru",
Url: queueMongoUrl,
Database: queueMongoDB,
}
var err error
queueData.instance, err = mongodb.NewQueue(conf)
if err != nil {
return nil, fmt.Errorf("could not create queue instance, please check queue:mongo-url and queue:mongo-database config entries. error: %s", err)
}
shutdown.Register(&queueData)
go queueData.instance.ProcessLoop()
return queueData.instance, nil
}
func Queue() (monsterqueue.Queue, error) {
queueData.RLock()
if queueData.instance != nil {
defer queueData.RUnlock()
return queueData.instance, nil
}
queueData.RUnlock()
queueData.Lock()
defer queueData.Unlock()
if queueData.instance != nil {
return queueData.instance, nil
}
queueMongoUrl, _ := config.GetString("queue:mongo-url")
if queueMongoUrl == "" {
queueMongoUrl = "localhost:27017"
}
queueMongoDB, _ := config.GetString("queue:mongo-database")
pollingInterval, _ := config.GetFloat("queue:mongo-polling-interval")
if pollingInterval == 0.0 {
pollingInterval = 1.0
}
conf := mongodb.QueueConfig{
CollectionPrefix: "tsuru",
Url: queueMongoUrl,
Database: queueMongoDB,
PollingInterval: time.Duration(pollingInterval * float64(time.Second)),
}
var err error
queueData.instance, err = mongodb.NewQueue(conf)
if err != nil {
return nil, errors.Wrap(err, "could not create queue instance, please check queue:mongo-url and queue:mongo-database config entries. error")
}
shutdown.Register(&queueData)
go queueData.instance.ProcessLoop()
return queueData.instance, nil
}
func (p *dockerProvisioner) initDockerCluster() error {
debug, _ := config.GetBool("debug")
clusterLog.SetDebug(debug)
clusterLog.SetLogger(log.GetStdLogger())
var err error
if p.storage == nil {
p.storage, err = buildClusterStorage()
if err != nil {
return err
}
}
if p.collectionName == "" {
var name string
name, err = config.GetString("docker:collection")
if err != nil {
return err
}
p.collectionName = name
}
var nodes []cluster.Node
TotalMemoryMetadata, _ := config.GetString("docker:scheduler:total-memory-metadata")
maxUsedMemory, _ := config.GetFloat("docker:scheduler:max-used-memory")
p.scheduler = &segregatedScheduler{
maxMemoryRatio: float32(maxUsedMemory),
TotalMemoryMetadata: TotalMemoryMetadata,
provisioner: p,
}
p.cluster, err = cluster.New(p.scheduler, p.storage, nodes...)
if err != nil {
return err
}
p.cluster.Hook = &bs.ClusterHook{Provisioner: p}
autoHealingNodes, _ := config.GetBool("docker:healing:heal-nodes")
if autoHealingNodes {
disabledSeconds, _ := config.GetInt("docker:healing:disabled-time")
if disabledSeconds <= 0 {
disabledSeconds = 30
}
maxFailures, _ := config.GetInt("docker:healing:max-failures")
if maxFailures <= 0 {
maxFailures = 5
}
waitSecondsNewMachine, _ := config.GetInt("docker:healing:wait-new-time")
if waitSecondsNewMachine <= 0 {
waitSecondsNewMachine = 5 * 60
}
nodeHealer := healer.NewNodeHealer(healer.NodeHealerArgs{
Provisioner: p,
DisabledTime: time.Duration(disabledSeconds) * time.Second,
WaitTimeNewMachine: time.Duration(waitSecondsNewMachine) * time.Second,
FailuresBeforeHealing: maxFailures,
})
shutdown.Register(nodeHealer)
p.cluster.Healer = nodeHealer
}
healContainersSeconds, _ := config.GetInt("docker:healing:heal-containers-timeout")
if healContainersSeconds > 0 {
contHealerInst := healer.NewContainerHealer(healer.ContainerHealerArgs{
Provisioner: p,
MaxUnresponsiveTime: time.Duration(healContainersSeconds) * time.Second,
Done: make(chan bool),
Locker: &appLocker{},
})
shutdown.Register(contHealerInst)
go contHealerInst.RunContainerHealer()
}
activeMonitoring, _ := config.GetInt("docker:healing:active-monitoring-interval")
if activeMonitoring > 0 {
p.cluster.StartActiveMonitoring(time.Duration(activeMonitoring) * time.Second)
}
autoScale := p.initAutoScaleConfig()
if autoScale.Enabled {
shutdown.Register(autoScale)
go autoScale.run()
}
return nil
}
// RunServer starts tsuru API server. The dry parameter indicates whether the
// server should run in dry mode, not starting the HTTP listener (for testing
// purposes).
func RunServer(dry bool) http.Handler {
log.Init()
connString, err := config.GetString("database:url")
if err != nil {
connString = db.DefaultDatabaseURL
}
dbName, err := config.GetString("database:name")
if err != nil {
dbName = db.DefaultDatabaseName
}
fmt.Printf("Using mongodb database %q from the server %q.\n", dbName, connString)
m := &delayedRouter{}
for _, handler := range tsuruHandlerList {
m.Add(handler.method, handler.path, handler.h)
}
if disableIndex, _ := config.GetBool("disable-index-page"); !disableIndex {
m.Add("Get", "/", Handler(index))
}
m.Add("Get", "/info", Handler(info))
m.Add("Get", "/services/instances", authorizationRequiredHandler(serviceInstances))
m.Add("Get", "/services/instances/{name}", authorizationRequiredHandler(serviceInstance))
m.Add("Delete", "/services/instances/{name}", authorizationRequiredHandler(removeServiceInstance))
m.Add("Post", "/services/instances", authorizationRequiredHandler(createServiceInstance))
m.Add("Put", "/services/instances/{instance}/{app}", authorizationRequiredHandler(bindServiceInstance))
m.Add("Delete", "/services/instances/{instance}/{app}", authorizationRequiredHandler(unbindServiceInstance))
m.Add("Get", "/services/instances/{instance}/status", authorizationRequiredHandler(serviceInstanceStatus))
m.Add("Put", "/services/instances/permission/{instance}/{team}", authorizationRequiredHandler(serviceInstanceGrantTeam))
m.Add("Delete", "/services/instances/permission/{instance}/{team}", authorizationRequiredHandler(serviceInstanceRevokeTeam))
m.AddAll("/services/proxy/{instance}", authorizationRequiredHandler(serviceInstanceProxy))
m.AddAll("/services/proxy/service/{service}", authorizationRequiredHandler(serviceProxy))
m.Add("Get", "/services", authorizationRequiredHandler(serviceList))
m.Add("Post", "/services", authorizationRequiredHandler(serviceCreate))
m.Add("Put", "/services", authorizationRequiredHandler(serviceUpdate))
m.Add("Delete", "/services/{name}", authorizationRequiredHandler(serviceDelete))
m.Add("Get", "/services/{name}", authorizationRequiredHandler(serviceInfo))
m.Add("Get", "/services/{name}/plans", authorizationRequiredHandler(servicePlans))
m.Add("Get", "/services/{name}/doc", authorizationRequiredHandler(serviceDoc))
m.Add("Put", "/services/{name}/doc", authorizationRequiredHandler(serviceAddDoc))
m.Add("Put", "/services/{service}/team/{team}", authorizationRequiredHandler(grantServiceAccess))
m.Add("Delete", "/services/{service}/team/{team}", authorizationRequiredHandler(revokeServiceAccess))
m.Add("Delete", "/apps/{app}", authorizationRequiredHandler(appDelete))
m.Add("Get", "/apps/{app}", authorizationRequiredHandler(appInfo))
m.Add("Post", "/apps/{app}/cname", authorizationRequiredHandler(setCName))
m.Add("Delete", "/apps/{app}/cname", authorizationRequiredHandler(unsetCName))
m.Add("Post", "/apps/{app}/plan", authorizationRequiredHandler(changePlan))
runHandler := authorizationRequiredHandler(runCommand)
m.Add("Post", "/apps/{app}/run", runHandler)
m.Add("Post", "/apps/{app}/restart", authorizationRequiredHandler(restart))
m.Add("Post", "/apps/{app}/start", authorizationRequiredHandler(start))
m.Add("Post", "/apps/{app}/stop", authorizationRequiredHandler(stop))
m.Add("Get", "/apps/{appname}/quota", AdminRequiredHandler(getAppQuota))
m.Add("Post", "/apps/{appname}/quota", AdminRequiredHandler(changeAppQuota))
m.Add("Get", "/apps/{app}/env", authorizationRequiredHandler(getEnv))
m.Add("Post", "/apps/{app}/env", authorizationRequiredHandler(setEnv))
m.Add("Delete", "/apps/{app}/env", authorizationRequiredHandler(unsetEnv))
m.Add("Get", "/apps", authorizationRequiredHandler(appList))
m.Add("Post", "/apps", authorizationRequiredHandler(createApp))
m.Add("Post", "/apps/{app}/team-owner", authorizationRequiredHandler(setTeamOwner))
forceDeleteLockHandler := AdminRequiredHandler(forceDeleteLock)
m.Add("Delete", "/apps/{app}/lock", forceDeleteLockHandler)
m.Add("Put", "/apps/{app}/units", authorizationRequiredHandler(addUnits))
m.Add("Delete", "/apps/{app}/units", authorizationRequiredHandler(removeUnits))
registerUnitHandler := authorizationRequiredHandler(registerUnit)
m.Add("Post", "/apps/{app}/units/register", registerUnitHandler)
setUnitStatusHandler := authorizationRequiredHandler(setUnitStatus)
m.Add("Post", "/apps/{app}/units/{unit}", setUnitStatusHandler)
m.Add("Put", "/apps/{app}/teams/{team}", authorizationRequiredHandler(grantAppAccess))
m.Add("Delete", "/apps/{app}/teams/{team}", authorizationRequiredHandler(revokeAppAccess))
m.Add("Get", "/apps/{app}/log", authorizationRequiredHandler(appLog))
logPostHandler := authorizationRequiredHandler(addLog)
m.Add("Post", "/apps/{app}/log", logPostHandler)
m.Add("Post", "/apps/{appname}/deploy/rollback", authorizationRequiredHandler(deployRollback))
m.Add("Post", "/apps/{app}/pool", authorizationRequiredHandler(appChangePool))
m.Add("Get", "/apps/{app}/metric/envs", authorizationRequiredHandler(appMetricEnvs))
m.Add("Post", "/apps/{app}/routes", AdminRequiredHandler(appRebuildRoutes))
m.Add("Post", "/units/status", authorizationRequiredHandler(setUnitsStatus))
m.Add("Get", "/deploys", authorizationRequiredHandler(deploysList))
m.Add("Get", "/deploys/{deploy}", authorizationRequiredHandler(deployInfo))
m.Add("Get", "/platforms", authorizationRequiredHandler(platformList))
m.Add("Post", "/platforms", AdminRequiredHandler(platformAdd))
m.Add("Put", "/platforms/{name}", AdminRequiredHandler(platformUpdate))
m.Add("Delete", "/platforms/{name}", AdminRequiredHandler(platformRemove))
// These handlers don't use {app} on purpose. Using :app means that only
// the token generate for the given app is valid, but these handlers
// use a token generated for Gandalf.
m.Add("Get", "/apps/{appname}/available", authorizationRequiredHandler(appIsAvailable))
m.Add("Post", "/apps/{appname}/repository/clone", authorizationRequiredHandler(deploy))
m.Add("Post", "/apps/{appname}/deploy", authorizationRequiredHandler(deploy))
// Shell also doesn't use {app} on purpose. Middlewares don't play well
// with websocket.
m.Add("Get", "/apps/{appname}/shell", websocket.Handler(remoteShellHandler))
m.Add("Get", "/users", AdminRequiredHandler(listUsers))
m.Add("Post", "/users", Handler(createUser))
m.Add("Get", "/users/info", authorizationRequiredHandler(userInfo))
m.Add("Get", "/auth/scheme", Handler(authScheme))
m.Add("Post", "/auth/login", Handler(login))
m.Add("Post", "/users/{email}/password", Handler(resetPassword))
m.Add("Post", "/users/{email}/tokens", Handler(login))
m.Add("Get", "/users/{email}/quota", AdminRequiredHandler(getUserQuota))
m.Add("Post", "/users/{email}/quota", AdminRequiredHandler(changeUserQuota))
m.Add("Delete", "/users/tokens", authorizationRequiredHandler(logout))
m.Add("Put", "/users/password", authorizationRequiredHandler(changePassword))
m.Add("Delete", "/users", authorizationRequiredHandler(removeUser))
m.Add("Get", "/users/keys", authorizationRequiredHandler(listKeys))
m.Add("Post", "/users/keys", authorizationRequiredHandler(addKeyToUser))
m.Add("Delete", "/users/keys", authorizationRequiredHandler(removeKeyFromUser))
m.Add("Get", "/users/api-key", authorizationRequiredHandler(showAPIToken))
m.Add("Post", "/users/api-key", authorizationRequiredHandler(regenerateAPIToken))
m.Add("Delete", "/logs", AdminRequiredHandler(logRemove))
m.Add("Get", "/logs", websocket.Handler(addLogs))
m.Add("Get", "/teams", authorizationRequiredHandler(teamList))
m.Add("Post", "/teams", authorizationRequiredHandler(createTeam))
m.Add("Get", "/teams/{name}", authorizationRequiredHandler(getTeam))
m.Add("Delete", "/teams/{name}", authorizationRequiredHandler(removeTeam))
m.Add("Put", "/teams/{team}/{user}", authorizationRequiredHandler(addUserToTeam))
m.Add("Delete", "/teams/{team}/{user}", authorizationRequiredHandler(removeUserFromTeam))
m.Add("Put", "/swap", authorizationRequiredHandler(swap))
m.Add("Get", "/healthcheck/", http.HandlerFunc(healthcheck))
m.Add("Get", "/iaas/machines", AdminRequiredHandler(machinesList))
m.Add("Delete", "/iaas/machines/{machine_id}", AdminRequiredHandler(machineDestroy))
m.Add("Get", "/iaas/templates", AdminRequiredHandler(templatesList))
m.Add("Post", "/iaas/templates", AdminRequiredHandler(templateCreate))
m.Add("Put", "/iaas/templates/{template_name}", AdminRequiredHandler(templateUpdate))
m.Add("Delete", "/iaas/templates/{template_name}", AdminRequiredHandler(templateDestroy))
m.Add("Get", "/plans", authorizationRequiredHandler(listPlans))
m.Add("Post", "/plans", AdminRequiredHandler(addPlan))
m.Add("Delete", "/plans/{planname}", AdminRequiredHandler(removePlan))
m.Add("Get", "/plans/routers", AdminRequiredHandler(listRouters))
m.Add("Get", "/debug/goroutines", AdminRequiredHandler(dumpGoroutines))
m.Add("Get", "/pools", authorizationRequiredHandler(listPoolsToUser))
m.Add("Get", "/pool", AdminRequiredHandler(listPoolHandler))
m.Add("Post", "/pool", AdminRequiredHandler(addPoolHandler))
m.Add("Delete", "/pool", AdminRequiredHandler(removePoolHandler))
m.Add("Post", "/pool/{name}", AdminRequiredHandler(poolUpdateHandler))
m.Add("Post", "/pool/{name}/team", AdminRequiredHandler(addTeamToPoolHandler))
m.Add("Delete", "/pool/{name}/team", AdminRequiredHandler(removeTeamToPoolHandler))
m.Add("Get", "/debug/pprof/", AdminRequiredHandler(indexHandler))
m.Add("Get", "/debug/pprof/cmdline", AdminRequiredHandler(cmdlineHandler))
m.Add("Get", "/debug/pprof/profile", AdminRequiredHandler(profileHandler))
m.Add("Get", "/debug/pprof/symbol", AdminRequiredHandler(symbolHandler))
m.Add("Get", "/debug/pprof/heap", AdminRequiredHandler(indexHandler))
m.Add("Get", "/debug/pprof/goroutine", AdminRequiredHandler(indexHandler))
m.Add("Get", "/debug/pprof/threadcreate", AdminRequiredHandler(indexHandler))
m.Add("Get", "/debug/pprof/block", AdminRequiredHandler(indexHandler))
n := negroni.New()
n.Use(negroni.NewRecovery())
n.Use(newLoggerMiddleware())
n.UseHandler(m)
n.Use(negroni.HandlerFunc(contextClearerMiddleware))
n.Use(negroni.HandlerFunc(flushingWriterMiddleware))
n.Use(negroni.HandlerFunc(errorHandlingMiddleware))
n.Use(negroni.HandlerFunc(setVersionHeadersMiddleware))
n.Use(negroni.HandlerFunc(authTokenMiddleware))
n.Use(&appLockMiddleware{excludedHandlers: []http.Handler{
logPostHandler,
runHandler,
forceDeleteLockHandler,
registerUnitHandler,
setUnitStatusHandler,
}})
n.UseHandler(http.HandlerFunc(runDelayedHandler))
if !dry {
var startupMessage string
routers, err := router.List()
if err != nil {
fatal(err)
}
for _, routerDesc := range routers {
var r router.Router
r, err = router.Get(routerDesc.Name)
if err != nil {
fatal(err)
}
fmt.Printf("Registered router %q", routerDesc.Name)
if messageRouter, ok := r.(router.MessageRouter); ok {
startupMessage, err = messageRouter.StartupMessage()
if err == nil && startupMessage != "" {
fmt.Printf(": %s", startupMessage)
}
}
fmt.Println()
}
defaultRouter, _ := config.GetString("docker:router")
fmt.Printf("Default router is %q.\n", defaultRouter)
repoManager, err := config.GetString("repo-manager")
if err != nil {
repoManager = "gandalf"
fmt.Println("Warning: configuration didn't declare a repository manager, using default manager.")
}
fmt.Printf("Using %q repository manager.\n", repoManager)
provisioner, err := getProvisioner()
if err != nil {
fmt.Println("Warning: configuration didn't declare a provisioner, using default provisioner.")
}
app.Provisioner, err = provision.Get(provisioner)
if err != nil {
fatal(err)
}
fmt.Printf("Using %q provisioner.\n", provisioner)
if initializableProvisioner, ok := app.Provisioner.(provision.InitializableProvisioner); ok {
err = initializableProvisioner.Initialize()
if err != nil {
fatal(err)
}
}
if messageProvisioner, ok := app.Provisioner.(provision.MessageProvisioner); ok {
startupMessage, err = messageProvisioner.StartupMessage()
if err == nil && startupMessage != "" {
fmt.Print(startupMessage)
}
}
scheme, err := getAuthScheme()
if err != nil {
fmt.Printf("Warning: configuration didn't declare auth:scheme, using default scheme.\n")
}
app.AuthScheme, err = auth.GetScheme(scheme)
if err != nil {
fatal(err)
}
fmt.Printf("Using %q auth scheme.\n", scheme)
fmt.Println("Checking components status:")
results := hc.Check()
for _, result := range results {
if result.Status != hc.HealthCheckOK {
fmt.Printf(" WARNING: %q is not working: %s\n", result.Name, result.Status)
}
}
fmt.Println(" Components checked.")
listen, err := config.GetString("listen")
if err != nil {
fatal(err)
}
shutdownChan := make(chan bool)
shutdownTimeout, _ := config.GetInt("shutdown-timeout")
if shutdownTimeout == 0 {
shutdownTimeout = 10 * 60
}
idleTracker := newIdleTracker()
shutdown.Register(idleTracker)
shutdown.Register(&logTracker)
readTimeout, _ := config.GetInt("server:read-timeout")
writeTimeout, _ := config.GetInt("server:write-timeout")
srv := &graceful.Server{
Timeout: time.Duration(shutdownTimeout) * time.Second,
Server: &http.Server{
ReadTimeout: time.Duration(readTimeout) * time.Second,
WriteTimeout: time.Duration(writeTimeout) * time.Second,
Addr: listen,
Handler: n,
},
ConnState: func(conn net.Conn, state http.ConnState) {
idleTracker.trackConn(conn, state)
},
ShutdownInitiated: func() {
fmt.Println("tsuru is shutting down, waiting for pending connections to finish.")
handlers := shutdown.All()
wg := sync.WaitGroup{}
for _, h := range handlers {
wg.Add(1)
go func(h shutdown.Shutdownable) {
defer wg.Done()
fmt.Printf("running shutdown handler for %v...\n", h)
h.Shutdown()
fmt.Printf("running shutdown handler for %v. DONE.\n", h)
}(h)
}
wg.Wait()
close(shutdownChan)
},
}
tls, _ := config.GetBool("use-tls")
if tls {
var (
certFile string
keyFile string
)
certFile, err = config.GetString("tls:cert-file")
if err != nil {
fatal(err)
}
keyFile, err = config.GetString("tls:key-file")
if err != nil {
fatal(err)
}
fmt.Printf("tsuru HTTP/TLS server listening at %s...\n", listen)
err = srv.ListenAndServeTLS(certFile, keyFile)
} else {
fmt.Printf("tsuru HTTP server listening at %s...\n", listen)
err = srv.ListenAndServe()
}
if err != nil {
fmt.Printf("Listening stopped: %s\n", err)
}
<-shutdownChan
}
return n
}
func (p *dockerProvisioner) initDockerCluster() error {
debug, _ := config.GetBool("debug")
clusterLog.SetDebug(debug)
clusterLog.SetLogger(log.GetStdLogger())
var err error
if p.storage == nil {
p.storage, err = buildClusterStorage()
if err != nil {
return err
}
}
if p.collectionName == "" {
var name string
name, err = config.GetString("docker:collection")
if err != nil {
return err
}
p.collectionName = name
}
var nodes []cluster.Node
TotalMemoryMetadata, _ := config.GetString("docker:scheduler:total-memory-metadata")
maxUsedMemory, _ := config.GetFloat("docker:scheduler:max-used-memory")
p.scheduler = &segregatedScheduler{
maxMemoryRatio: float32(maxUsedMemory),
TotalMemoryMetadata: TotalMemoryMetadata,
provisioner: p,
}
caPath, _ := config.GetString("docker:tls:root-path")
if caPath != "" {
p.caCert, err = ioutil.ReadFile(filepath.Join(caPath, "ca.pem"))
if err != nil {
return err
}
p.clientCert, err = ioutil.ReadFile(filepath.Join(caPath, "cert.pem"))
if err != nil {
return err
}
p.clientKey, err = ioutil.ReadFile(filepath.Join(caPath, "key.pem"))
if err != nil {
return err
}
}
p.cluster, err = cluster.New(p.scheduler, p.storage, nodes...)
if err != nil {
return err
}
p.cluster.AddHook(cluster.HookEventBeforeContainerCreate, &internalNodeContainer.ClusterHook{Provisioner: p})
if tsuruHealer.HealerInstance != nil {
healer := hookHealer{p: p}
p.cluster.Healer = healer
p.cluster.AddHook(cluster.HookEventBeforeNodeUnregister, healer)
}
healContainersSeconds, _ := config.GetInt("docker:healing:heal-containers-timeout")
if healContainersSeconds > 0 {
contHealerInst := healer.NewContainerHealer(healer.ContainerHealerArgs{
Provisioner: p,
MaxUnresponsiveTime: time.Duration(healContainersSeconds) * time.Second,
Done: make(chan bool),
Locker: &appLocker{},
})
shutdown.Register(contHealerInst)
go contHealerInst.RunContainerHealer()
}
activeMonitoring, _ := config.GetInt("docker:healing:active-monitoring-interval")
if activeMonitoring > 0 {
p.cluster.StartActiveMonitoring(time.Duration(activeMonitoring) * time.Second)
}
autoScale := p.initAutoScaleConfig()
if autoScale.Enabled {
shutdown.Register(autoScale)
go autoScale.run()
}
limitMode, _ := config.GetString("docker:limit:mode")
if limitMode == "global" {
p.actionLimiter = &provision.MongodbLimiter{}
} else {
p.actionLimiter = &provision.LocalLimiter{}
}
actionLimit, _ := config.GetUint("docker:limit:actions-per-host")
if actionLimit > 0 {
p.actionLimiter.Initialize(actionLimit)
}
return nil
}
func startServer(handler http.Handler) {
shutdownChan := make(chan bool)
shutdownTimeout, _ := config.GetInt("shutdown-timeout")
if shutdownTimeout == 0 {
shutdownTimeout = 10 * 60
}
idleTracker := newIdleTracker()
shutdown.Register(idleTracker)
shutdown.Register(&logTracker)
readTimeout, _ := config.GetInt("server:read-timeout")
writeTimeout, _ := config.GetInt("server:write-timeout")
listen, err := config.GetString("listen")
if err != nil {
fatal(err)
}
srv := &graceful.Server{
Timeout: time.Duration(shutdownTimeout) * time.Second,
Server: &http.Server{
ReadTimeout: time.Duration(readTimeout) * time.Second,
WriteTimeout: time.Duration(writeTimeout) * time.Second,
Addr: listen,
Handler: handler,
},
ConnState: func(conn net.Conn, state http.ConnState) {
idleTracker.trackConn(conn, state)
},
NoSignalHandling: true,
ShutdownInitiated: func() {
fmt.Println("tsuru is shutting down, waiting for pending connections to finish.")
handlers := shutdown.All()
wg := sync.WaitGroup{}
for _, h := range handlers {
wg.Add(1)
go func(h shutdown.Shutdownable) {
defer wg.Done()
fmt.Printf("running shutdown handler for %v...\n", h)
h.Shutdown()
fmt.Printf("running shutdown handler for %v. DONE.\n", h)
}(h)
}
wg.Wait()
close(shutdownChan)
},
}
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
go func() {
<-sigChan
srv.Stop(srv.Timeout)
}()
var startupMessage string
routers, err := router.List()
if err != nil {
fatal(err)
}
for _, routerDesc := range routers {
var r router.Router
r, err = router.Get(routerDesc.Name)
if err != nil {
fatal(err)
}
fmt.Printf("Registered router %q", routerDesc.Name)
if messageRouter, ok := r.(router.MessageRouter); ok {
startupMessage, err = messageRouter.StartupMessage()
if err == nil && startupMessage != "" {
fmt.Printf(": %s", startupMessage)
}
}
fmt.Println()
}
defaultRouter, _ := config.GetString("docker:router")
fmt.Printf("Default router is %q.\n", defaultRouter)
repoManager, err := config.GetString("repo-manager")
if err != nil {
repoManager = "gandalf"
fmt.Println("Warning: configuration didn't declare a repository manager, using default manager.")
}
fmt.Printf("Using %q repository manager.\n", repoManager)
err = rebuild.RegisterTask(appFinder)
if err != nil {
fatal(err)
}
scheme, err := getAuthScheme()
if err != nil {
fmt.Printf("Warning: configuration didn't declare auth:scheme, using default scheme.\n")
}
app.AuthScheme, err = auth.GetScheme(scheme)
if err != nil {
fatal(err)
}
fmt.Printf("Using %q auth scheme.\n", scheme)
err = provision.InitializeAll()
if err != nil {
fatal(err)
}
_, err = healer.Initialize()
if err != nil {
fatal(err)
}
fmt.Println("Checking components status:")
results := hc.Check()
for _, result := range results {
if result.Status != hc.HealthCheckOK {
fmt.Printf(" WARNING: %q is not working: %s\n", result.Name, result.Status)
}
}
fmt.Println(" Components checked.")
tls, _ := config.GetBool("use-tls")
if tls {
var (
certFile string
keyFile string
)
certFile, err = config.GetString("tls:cert-file")
if err != nil {
fatal(err)
}
keyFile, err = config.GetString("tls:key-file")
if err != nil {
fatal(err)
}
fmt.Printf("tsuru HTTP/TLS server listening at %s...\n", listen)
err = srv.ListenAndServeTLS(certFile, keyFile)
} else {
fmt.Printf("tsuru HTTP server listening at %s...\n", listen)
err = srv.ListenAndServe()
}
if err != nil {
fmt.Printf("Listening stopped: %s\n", err)
if errOp, ok := err.(*net.OpError); ok {
if errOp.Op == "listen" {
os.Exit(1)
}
}
}
<-shutdownChan
}
