func MasterConnStr(masterInfo *mesos.MasterInfo) string {
ip := make([]byte, 4)
native.PutUint32(ip, masterInfo.GetIp())
addr := net.IP(ip).To4().String()
port := masterInfo.GetPort()
return fmt.Sprintf("%s:%d", addr, port)
}
// masterAddr returns an address (ip:port) from the given *mesos.MasterInfo or
// an empty string if it nil.
//
// BUG(tsenart): The byte order of the `ip` field in MasterInfo is platform
// dependent. We assume that Mesos is compiled with the same architecture as
// Mesos-DNS and hence same byte order. If this isn't the case, the address
// returned will be wrong. This only affects Mesos versions < 0.24.0
func masterAddr(info *mesos.MasterInfo) string {
if info == nil {
return ""
}
ip, port := "", int64(0)
if addr := info.GetAddress(); addr != nil { // Mesos >= 0.24.0
ip, port = addr.GetIp(), int64(addr.GetPort())
} else { // Mesos < 0.24.0
ipv4 := make([]byte, net.IPv4len)
byteOrder.PutUint32(ipv4, info.GetIp())
ip, port = net.IP(ipv4).String(), int64(info.GetPort())
}
return net.JoinHostPort(ip, strconv.FormatInt(port, 10))
}
func (d *ZkLeaderDetector) onLeaderChange(info *mesos.MasterInfo) {
if info == nil {
log.Errorln("No leader available in Zookeeper")
} else {
leader := ""
if host := info.GetHostname(); host != "" {
leader = host
} else {
// unpack IPv4
octets := make([]byte, 4, 4)
binary.BigEndian.PutUint32(octets, info.GetIp())
ipv4 := net.IP(octets)
leader = ipv4.String()
}
leader = fmt.Sprintf("%s:%d", leader, info.GetPort())
log.Infoln("New master in Zookeeper", leader)
d.newLeader <- &leader
}
}
func extractMasterAddress(info *mesos.MasterInfo) (host string, port int) {
if info != nil {
host = info.GetAddress().GetHostname()
if host == "" {
host = info.GetAddress().GetIp()
}
if host != "" {
// use port from Address
port = int(info.GetAddress().GetPort())
} else {
// deprecated: get host and port directly from MasterInfo (and not Address)
host = info.GetHostname()
if host == "" {
host = unpackIPv4(info.GetIp())
}
port = int(info.GetPort())
}
}
return
}
func (m *Mesos) hostFromMasterInfo(mi *mesosproto.MasterInfo) MesosHost {
var ipstring = ""
var port = ""
if mi != nil {
if host := mi.GetHostname(); host != "" {
ip, err := net.LookupIP(host)
if err != nil {
ipstring = host
} else {
for _, i := range ip {
four := i.To4()
if four != nil {
ipstring = i.String()
break
}
}
// If control reaches here there are no IPv4 addresses
// returned by net.LookupIP. Use the hostname as ipstring
//
ipstring = host
}
} else {
octets := make([]byte, 4, 4)
binary.BigEndian.PutUint32(octets, mi.GetIp())
ipv4 := net.IP(octets)
ipstring = ipv4.String()
}
}
if len(ipstring) > 0 {
port = fmt.Sprint(mi.GetPort())
}
return MesosHost{
host: ipstring,
port: port,
isLeader: false,
}
}
func ProtoBufToMesosHost(mi *proto.MasterInfo) *MesosHost {
ipstring := ""
port := ""
log.WithField("mi.GetHostname()", mi.GetHostname()).Debug("protobuf MasterInfo")
log.WithField("mi.GetIp()", packedIpToString(mi.GetIp())).Debug("protobuf MasterInfo")
log.WithField("mi.GetPort()", fmt.Sprint(mi.GetPort())).Debug("protobuf MasterInfo")
if host := mi.GetHostname(); host != "" {
if ip, err := net.LookupIP(host); err == nil {
for _, i := range ip {
if four := i.To4(); four != nil {
ipstring = i.String()
break
}
}
}
}
if ipstring == "" {
ipstring = packedIpToString(mi.GetIp())
}
if ipstring == "" {
ipstring = mi.GetHostname()
}
if len(ipstring) > 0 {
port = fmt.Sprint(mi.GetPort())
}
return &MesosHost{
Host: mi.GetHostname(),
Ip: ipstring,
Port: int(mi.GetPort()),
PortString: port,
IsLeader: false,
IsRegistered: false,
}
}
func (s *Scheduler) Reregistered(driver scheduler.SchedulerDriver, master *mesos.MasterInfo) {
Logger.Infof("[Reregistered] master: %s:%d", master.GetHostname(), master.GetPort())
s.driver = driver
}
func (s *Scheduler) Registered(driver scheduler.SchedulerDriver, id *mesos.FrameworkID, master *mesos.MasterInfo) {
Logger.Infof("[Registered] framework: %s master: %s:%d", id.GetValue(), master.GetHostname(), master.GetPort())
s.driver = driver
}
func (u *mesosUpstream) sync() {
var syncing int32
syncing = atomic.AddInt32(&u.syncing, 1)
if syncing > 1 {
atomic.AddInt32(&u.syncing, -1)
u.syncWg.Wait()
return
}
u.syncWg.Add(1)
defer func() {
u.syncWg.Done()
atomic.AddInt32(&u.syncing, -1)
u.lastSync = time.Now()
}()
var state mesosState
var masterHosts []string
if path, err := url.Parse(u.mesosMaster); err == nil {
switch path.Scheme {
case "zk":
if path.Path == "" || path.Path == "/" {
log.Printf("[ERROR] no path specified for mesos zk lookup \"%s\"", u.mesosMaster)
return
}
zookeeperPath := path.Path
if zookeeperPath[0] != '/' {
zookeeperPath = "/" + zookeeperPath
}
if zoo, _, err := zk.Connect(strings.Split(path.Host, ","), 10*time.Second); err == nil {
defer zoo.Close()
if children, _, err := zoo.Children(zookeeperPath); err == nil {
sort.Strings(children)
for _, child := range children {
if strings.HasPrefix(child, "info_") {
if data, _, err := zoo.Get(zookeeperPath + "/" + child); err == nil {
masterInfo := new(mesosproto.MasterInfo)
if err := masterInfo.Unmarshal(data); err == nil {
masterHosts = []string{fmt.Sprintf("%s:%d", masterInfo.GetHostname(), masterInfo.GetPort())}
break
} else {
log.Printf("[ERROR] parsing mesos master from zookeeper. \"%s\"", err.Error())
return
}
} else {
log.Printf("[ERROR] getting mesos master from zookeeper. \"%s\"", err.Error())
return
}
}
}
} else {
log.Printf("[ERROR] getting mesos masters from zookeeper. \"%s\"", err.Error())
return
}
}
case "http", "https":
masterHosts = strings.Split(path.Host, ",")
default:
log.Printf("[ERROR] unknown scheme in parsing mesos master url \"%s\"", u.mesosMaster)
return
}
} else {
masterHosts = strings.Split(u.mesosMaster, ",")
}
if len(masterHosts) == 0 {
log.Printf("[ERROR] No reachable masters.")
return
}
var masterErr error
for _, host := range masterHosts {
if resp, err := http.Get("http://" + host + "/state.json"); err == nil {
defer resp.Body.Close()
if err := json.NewDecoder(resp.Body).Decode(&state); err == nil {
masterErr = nil
break
} else {
masterErr = err
}
} else {
masterErr = err
}
}
if masterErr != nil {
log.Printf("[ERROR] Failed to reach masters. \"%s\"", masterErr.Error())
return
}
if len(state.Frameworks) == 0 {
log.Println("[WARNING] No frameworks found running.")
return
}
hosts := make(proxy.HostPool, 0, 4)
for _, framework := range state.Frameworks {
if framework.Name == u.framework {
for _, task := range framework.Tasks {
if task.Name == u.taskName && task.State == "TASK_RUNNING" {
host := &proxy.UpstreamHost{
Name: task.SlaveId,
Conns: 0,
Fails: 0,
FailTimeout: u.FailTimeout,
Unhealthy: false,
ExtraHeaders: u.proxyHeaders,
CheckDown: func(upstream *mesosUpstream) proxy.UpstreamHostDownFunc {
return func(uh *proxy.UpstreamHost) bool {
if uh.Unhealthy {
return true
}
if uh.Fails >= upstream.MaxFails &&
upstream.MaxFails != 0 {
return true
}
return false
}
}(u),
}
if u.Port > 0 {
host.Name = host.Name + ":" + strconv.Itoa(u.Port)
} else if u.Port < 0 {
idx := (u.Port * -1) - 1
if len(task.Resources.Ports) > 2 {
portResource := task.Resources.Ports[1 : len(task.Resources.Ports)-1]
ports := strings.Split(portResource, " ")
if idx < len(ports) {
selectedPort := ports[idx]
if strings.Index(selectedPort, "-") != -1 {
selectedPort = strings.Split(selectedPort, "-")[0]
host.Name = host.Name + ":" + selectedPort
}
} else {
continue
}
} else {
continue
}
}
hosts = append(hosts, host)
}
}
break
}
}
for _, host := range hosts {
id, port := func() (string, string) {
k := strings.Split(host.Name, ":")
return k[0], k[1]
}()
for _, slave := range state.Slaves {
if id == slave.Id {
host.Name = u.Scheme + "://" + slave.Hostname + ":" + port
break
}
}
}
oldPool := u.Hosts()
isSame := len(oldPool) == len(hosts)
for i, host := range hosts {
found := false
for _, oldHost := range oldPool {
if oldHost.Name == host.Name {
hosts[i] = oldHost
found = true
break
}
}
if !found {
isSame = false
}
}
for _, host := range hosts {
if host.ReverseProxy == nil {
if baseUrl, err := url.Parse(host.Name); err == nil {
host.ReverseProxy = proxy.NewSingleHostReverseProxy(baseUrl, "")
} else {
return
}
}
}
if !isSame {
if u.HealthCheck.Path != "" {
u.healthCheck(hosts)
}
u.hosts.Store(hosts)
}
}
func (s *StackDeployScheduler) Registered(driver scheduler.SchedulerDriver, id *mesos.FrameworkID, master *mesos.MasterInfo) {
Logger.Info("[Registered] framework: %s master: %s:%d", id.GetValue(), master.GetHostname(), master.GetPort())
s.Storage.FrameworkID = id.GetValue()
s.Storage.Save()
s.driver = driver
}
func (self *MesosManager) Reregistered(driver sched.SchedulerDriver, mi *mesos.MasterInfo) {
log.Printf("OnReregisterd master:%v:%v", Inet_itoa(mi.GetIp()), mi.GetPort())
}
func (self *MesosManager) Registered(driver sched.SchedulerDriver, fid *mesos.FrameworkID, mi *mesos.MasterInfo) {
log.Printf("OnRegisterd master:%v:%v, frameworkId:%v", Inet_itoa(mi.GetIp()), mi.GetPort(), fid.GetValue())
}
func masterString(info *mesos.MasterInfo) string {
return fmt.Sprintf("Id %v Ip %v Hostname %v Port %v Version %v Pid %v",
info.GetId(), info.GetIp(), info.GetHostname(), info.GetPort(), info.GetVersion(), info.GetPid())
}
func masterPort(info *mesos.MasterInfo) string {
return strconv.FormatUint(uint64(info.GetPort()), 10)
}
func (s *Scheduler) Registered(driver scheduler.SchedulerDriver, id *mesos.FrameworkID, master *mesos.MasterInfo) {
Logger.Infof("[Registered] framework: %s master: %s:%d", id.GetValue(), master.GetHostname(), master.GetPort())
s.cluster.frameworkID = id.GetValue()
s.cluster.Save()
s.driver = driver
s.reconcileTasks(true)
}