// returns an array of the mgtports and the tribe port for the last node
func startTribes(count int, seed string) ([]int, int) {
var wg sync.WaitGroup
var tribePort int
var mgtPorts []int
for i := 0; i < count; i++ {
mgtPort := getAvailablePort()
mgtPorts = append(mgtPorts, mgtPort)
tribePort = getAvailablePort()
conf := tribe.DefaultConfig(fmt.Sprintf("member-%v", mgtPort), "127.0.0.1", tribePort, seed, mgtPort)
// conf.MemberlistConfig.PushPullInterval = 5 * time.Second
conf.MemberlistConfig.RetransmitMult = conf.MemberlistConfig.RetransmitMult * 2
if seed == "" {
seed = fmt.Sprintf("%s:%d", "127.0.0.1", tribePort)
}
t, err := tribe.New(conf)
if err != nil {
panic(err)
}
c := control.New()
c.RegisterEventHandler("tribe", t)
c.Start()
s := scheduler.New()
s.SetMetricManager(c)
s.RegisterEventHandler("tribe", t)
s.Start()
t.SetPluginCatalog(c)
t.SetTaskManager(s)
t.Start()
r, _ := New(false, "", "")
r.BindMetricManager(c)
r.BindTaskManager(s)
r.BindTribeManager(t)
r.Start(":" + strconv.Itoa(mgtPort))
wg.Add(1)
timer := time.After(10 * time.Second)
go func(port int) {
defer wg.Done()
for {
select {
case <-timer:
panic("timed out")
default:
time.Sleep(100 * time.Millisecond)
resp := getMembers(port)
if resp.Meta.Code == 200 && len(resp.Body.(*rbody.TribeMemberList).Members) >= count {
restLogger.Infof("num of members %v", len(resp.Body.(*rbody.TribeMemberList).Members))
return
}
}
}
}(mgtPort)
}
wg.Wait()
return mgtPorts, tribePort
}
func action(ctx *cli.Context) {
// If logPath is set, we verify the logPath and set it so that all logging
// goes to the log file instead of stdout.
logPath := ctx.String("log-path")
if logPath != "" {
f, err := os.Stat(logPath)
if err != nil {
log.Fatal(err)
}
if !f.IsDir() {
log.Fatal("log path provided must be a directory")
}
file, err := os.OpenFile(fmt.Sprintf("%s/snap.log", logPath), os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
log.Fatal(err)
}
defer file.Close()
log.SetOutput(file)
}
var l = map[int]string{
1: "debug",
2: "info",
3: "warning",
4: "error",
5: "fatal",
}
var t = map[int]string{
0: "disabled",
1: "enabled",
2: "warning",
}
logLevel := ctx.Int("log-level")
maxProcs := ctx.Int("max-procs")
disableAPI := ctx.Bool("disable-api")
apiPort := ctx.Int("api-port")
autodiscoverPath := ctx.String("auto-discover")
maxRunning := ctx.Int("max-running-plugins")
pluginTrust := ctx.Int("plugin-trust")
keyringPaths := ctx.String("keyring-files")
cachestr := ctx.String("cache-expiration")
isTribeEnabled := ctx.Bool("tribe")
tribeSeed := ctx.String("tribe-seed")
tribeNodeName := ctx.String("tribe-node-name")
tribeAddr := ctx.String("tribe-addr")
tribePort := ctx.Int("tribe-port")
cache, err := time.ParseDuration(cachestr)
if err != nil {
log.Fatal(fmt.Sprintf("invalid cache-expiration format: %s", cachestr))
}
config := ctx.String("config")
restHttps := ctx.Bool("rest-https")
restKey := ctx.String("rest-key")
restCert := ctx.String("rest-cert")
log.Info("Starting snapd (version: ", gitversion, ")")
// Set Max Processors for snapd.
setMaxProcs(maxProcs)
// Validate log level and trust level settings for snapd
validateLevelSettings(logLevel, pluginTrust)
controlOpts := []control.PluginControlOpt{
control.MaxRunningPlugins(maxRunning),
control.CacheExpiration(cache),
}
if config != "" {
b, err := ioutil.ReadFile(config)
if err != nil {
log.WithFields(log.Fields{
"block": "main",
"_module": "snapd",
"error": err.Error(),
"path": config,
}).Fatal("unable to read config")
}
cfg := control.NewConfig()
err = json.Unmarshal(b, &cfg)
if err != nil {
log.WithFields(log.Fields{
"block": "main",
"_module": "snapd",
"error": err.Error(),
"path": config,
}).Fatal("invalid config")
}
controlOpts = append(controlOpts, control.OptSetConfig(cfg))
}
c := control.New(
controlOpts...,
)
coreModules = []coreModule{}
coreModules = append(coreModules, c)
s := scheduler.New(
scheduler.CollectQSizeOption(defaultQueueSize),
scheduler.CollectWkrSizeOption(defaultPoolSize),
scheduler.PublishQSizeOption(defaultQueueSize),
scheduler.PublishWkrSizeOption(defaultPoolSize),
scheduler.ProcessQSizeOption(defaultQueueSize),
scheduler.ProcessWkrSizeOption(defaultPoolSize),
)
s.SetMetricManager(c)
coreModules = append(coreModules, s)
var tr managesTribe
if isTribeEnabled {
log.Info("Tribe is enabled")
tc := tribe.DefaultConfig(tribeNodeName, tribeAddr, tribePort, tribeSeed, apiPort)
t, err := tribe.New(tc)
if err != nil {
printErrorAndExit(t.Name(), err)
}
c.RegisterEventHandler("tribe", t)
t.SetPluginCatalog(c)
s.RegisterEventHandler("tribe", t)
t.SetTaskManager(s)
coreModules = append(coreModules, t)
tr = t
}
// Set interrupt handling so we can die gracefully.
startInterruptHandling(coreModules...)
// Start our modules
var started []coreModule
for _, m := range coreModules {
if err := startModule(m); err != nil {
for _, m := range started {
m.Stop()
}
printErrorAndExit(m.Name(), err)
}
started = append(started, m)
}
//Plugin Trust
c.SetPluginTrustLevel(pluginTrust)
log.Info("setting plugin trust level to: ", t[pluginTrust])
//Keyring checking for trust levels 1 and 2
if pluginTrust > 0 {
keyrings := filepath.SplitList(keyringPaths)
if len(keyrings) == 0 {
log.WithFields(
log.Fields{
"block": "main",
"_module": "snapd",
}).Fatal("need keyring file when trust is on (--keyring-file or -k)")
}
for _, k := range keyrings {
keyringPath, err := filepath.Abs(k)
if err != nil {
log.WithFields(
log.Fields{
"block": "main",
"_module": "snapd",
"error": err.Error(),
"keyringPath": keyringPath,
}).Fatal("Unable to determine absolute path to keyring file")
}
f, err := os.Stat(keyringPath)
if err != nil {
log.WithFields(
log.Fields{
"block": "main",
"_module": "snapd",
"error": err.Error(),
"keyringPath": keyringPath,
}).Fatal("bad keyring file")
}
if f.IsDir() {
log.Info("Adding keyrings from: ", keyringPath)
files, err := ioutil.ReadDir(keyringPath)
if err != nil {
log.WithFields(
log.Fields{
"_block": "main",
"_module": "snapd",
"error": err.Error(),
"keyringPath": keyringPath,
}).Fatal(err)
}
if len(files) == 0 {
log.Fatal(fmt.Sprintf("given keyring path [%s] is an empty directory!", keyringPath))
}
for _, keyringFile := range files {
if keyringFile.IsDir() {
continue
}
if strings.HasSuffix(keyringFile.Name(), ".gpg") || (strings.HasSuffix(keyringFile.Name(), ".pub")) || (strings.HasSuffix(keyringFile.Name(), ".pubring")) {
f, err := os.Open(keyringPath)
if err != nil {
log.WithFields(
log.Fields{
"block": "main",
"_module": "snapd",
"error": err.Error(),
"keyringPath": keyringPath,
}).Warning("unable to open keyring file. not adding to keyring path")
continue
}
f.Close()
log.Info("adding keyring file: ", keyringPath+"/"+keyringFile.Name())
c.SetKeyringFile(keyringPath + "/" + keyringFile.Name())
}
}
} else {
f, err := os.Open(keyringPath)
if err != nil {
log.WithFields(
log.Fields{
"block": "main",
"_module": "snapd",
"error": err.Error(),
"keyringPath": keyringPath,
}).Fatal("unable to open keyring file.")
}
f.Close()
log.Info("adding keyring file ", keyringPath)
c.SetKeyringFile(keyringPath)
}
}
}
//Autodiscover
if autodiscoverPath != "" {
log.Info("auto discover path is enabled")
paths := filepath.SplitList(autodiscoverPath)
c.SetAutodiscoverPaths(paths)
for _, p := range paths {
fullPath, err := filepath.Abs(p)
if err != nil {
log.WithFields(
log.Fields{
"_block": "main",
"_module": "snapd",
"autodiscoverpath": p,
}).Fatal(err)
}
log.Info("autoloading plugins from: ", fullPath)
files, err := ioutil.ReadDir(fullPath)
if err != nil {
log.WithFields(
log.Fields{
"_block": "main",
"_module": "snapd",
"autodiscoverpath": fullPath,
}).Fatal(err)
}
for _, file := range files {
if file.IsDir() {
continue
}
if strings.HasSuffix(file.Name(), ".aci") || !(strings.HasSuffix(file.Name(), ".asc")) {
rp, err := core.NewRequestedPlugin(path.Join(fullPath, file.Name()))
if err != nil {
log.WithFields(log.Fields{
"_block": "main",
"_module": "snapd",
"autodiscoverpath": fullPath,
"plugin": file,
}).Error(err)
}
signatureFile := file.Name() + ".asc"
if _, err := os.Stat(path.Join(fullPath, signatureFile)); err == nil {
err = rp.ReadSignatureFile(path.Join(fullPath, signatureFile))
if err != nil {
log.WithFields(log.Fields{
"_block": "main",
"_module": "snapd",
"autodiscoverpath": fullPath,
"plugin": file.Name() + ".asc",
}).Error(err)
}
}
pl, err := c.Load(rp)
if err != nil {
log.WithFields(log.Fields{
"_block": "main",
"_module": "snapd",
"autodiscoverpath": fullPath,
"plugin": file,
}).Error(err)
} else {
log.WithFields(log.Fields{
"_block": "main",
"_module": "snapd",
"autodiscoverpath": fullPath,
"plugin": file,
"plugin-name": pl.Name(),
"plugin-version": pl.Version(),
"plugin-type": pl.TypeName(),
}).Info("Loading plugin")
}
}
}
}
} else {
log.Info("auto discover path is disabled")
}
//API
if !disableAPI {
r, err := rest.New(restHttps, restCert, restKey)
if err != nil {
log.Fatal(err)
return
}
r.BindMetricManager(c)
r.BindConfigManager(c.Config)
r.BindTaskManager(s)
if tr != nil {
r.BindTribeManager(tr)
}
r.Start(fmt.Sprintf(":%d", apiPort))
go monitorErrors(r.Err())
log.Info("Rest API is enabled")
} else {
log.Info("Rest API is disabled")
}
log.WithFields(
log.Fields{
"block": "main",
"_module": "snapd",
}).Info("snapd started")
// Switch log level to user defined
log.Info("setting log level to: ", l[logLevel])
log.SetLevel(getLevel(logLevel))
select {} //run forever and ever
}