func (s *SchedulerServer) failover(driver bindings.SchedulerDriver, hks hyperkube.Interface) error {
if driver != nil {
stat, err := driver.Stop(true)
if stat != mesos.Status_DRIVER_STOPPED {
return fmt.Errorf("failed to stop driver for failover, received unexpected status code: %v", stat)
} else if err != nil {
return err
}
}
// there's no guarantee that all goroutines are actually programmed intelligently with 'done'
// signals, so we'll need to restart if we want to really stop everything
// run the same command that we were launched with
//TODO(jdef) assumption here is that the sheduler is the only service running in this process, we should probably validate that somehow
args := []string{}
flags := pflag.CommandLine
if hks != nil {
args = append(args, hks.Name())
flags = hks.Flags()
}
flags.Visit(func(flag *pflag.Flag) {
if flag.Name != "api-servers" && flag.Name != "etcd-servers" {
args = append(args, fmt.Sprintf("--%s=%s", flag.Name, flag.Value.String()))
}
})
if !s.Graceful {
args = append(args, "--graceful")
}
if len(s.APIServerList) > 0 {
args = append(args, "--api-servers="+strings.Join(s.APIServerList, ","))
}
if len(s.EtcdServerList) > 0 {
args = append(args, "--etcd-servers="+strings.Join(s.EtcdServerList, ","))
}
args = append(args, flags.Args()...)
log.V(1).Infof("spawning scheduler for graceful failover: %s %+v", s.executable, args)
cmd := exec.Command(s.executable, args...)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.SysProcAttr = makeDisownedProcAttr()
// TODO(jdef) pass in a pipe FD so that we can block, waiting for the child proc to be ready
//cmd.ExtraFiles = []*os.File{}
exitcode := 0
log.Flush() // TODO(jdef) it would be really nice to ensure that no one else in our process was still logging
if err := cmd.Start(); err != nil {
//log to stdtout here to avoid conflicts with normal stderr logging
fmt.Fprintf(os.Stdout, "failed to spawn failover process: %v\n", err)
os.Exit(1)
}
os.Exit(exitcode)
select {} // will never reach here
}
func (s *SchedulerServer) prepareExecutorInfo(hks hyperkube.Interface) (*mesos.ExecutorInfo, error) {
ci := &mesos.CommandInfo{
Shell: proto.Bool(false),
}
if s.executorPath != "" {
uri, executorCmd := s.serveFrameworkArtifact(s.executorPath)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
ci.Value = proto.String(fmt.Sprintf("./%s", executorCmd))
ci.Arguments = append(ci.Arguments, ci.GetValue())
} else if !hks.FindServer(hyperkube.CommandMinion) {
return nil, fmt.Errorf("either run this scheduler via km or else --executor-path is required")
} else {
if strings.Index(s.kmPath, "://") > 0 {
if strings.HasPrefix(s.kmPath, "file://") {
// If `kmPath` started with "file://", `km` in agent local path was used.
ci.Value = proto.String(strings.TrimPrefix(s.kmPath, "file://"))
} else {
// URI could point directly to executable, e.g. hdfs:///km
// or else indirectly, e.g. http://acmestorage/tarball.tgz
// so we assume that for this case the command will always "km"
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(s.kmPath), Executable: proto.Bool(true)})
ci.Value = proto.String("./km") // TODO(jdef) extract constant
}
} else if s.kmPath != "" {
uri, kmCmd := s.serveFrameworkArtifact(s.kmPath)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
ci.Value = proto.String(fmt.Sprintf("./%s", kmCmd))
} else {
uri, kmCmd := s.serveFrameworkArtifact(s.executable)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
ci.Value = proto.String(fmt.Sprintf("./%s", kmCmd))
}
ci.Arguments = append(ci.Arguments, ci.GetValue(), hyperkube.CommandMinion)
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--run-proxy=%v", s.runProxy))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--proxy-bindall=%v", s.proxyBindall))
if s.proxyKubeconfig != "" {
//TODO(jdef) should probably support non-local files, e.g. hdfs:///some/config/file
uri, basename := s.serveFrameworkArtifact(s.proxyKubeconfig)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri)})
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--proxy-kubeconfig=%v", basename))
}
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--proxy-logv=%d", s.proxyLogV))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--proxy-mode=%v", s.proxyMode))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--path-override=%s", s.minionPathOverride))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--max-log-size=%v", s.minionLogMaxSize.String()))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--max-log-backups=%d", s.minionLogMaxBackups))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--max-log-age=%d", s.minionLogMaxAgeInDays))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--conntrack-max=%d", s.conntrackMax))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--conntrack-tcp-timeout-established=%d", s.conntrackTCPTimeoutEstablished))
}
if s.sandboxOverlay != "" {
if _, err := os.Stat(s.sandboxOverlay); os.IsNotExist(err) {
return nil, fmt.Errorf("Sandbox overlay archive not found: %s", s.sandboxOverlay)
}
uri, _ := s.serveFrameworkArtifact(s.sandboxOverlay)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(false), Extract: proto.Bool(true)})
}
if s.dockerCfgPath != "" {
uri := s.serveFrameworkArtifactWithFilename(s.dockerCfgPath, ".dockercfg")
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(false), Extract: proto.Bool(false)})
}
//TODO(jdef): provide some way (env var?) for users to customize executor config
//TODO(jdef): set -address to 127.0.0.1 if `address` is 127.0.0.1
var apiServerArgs string
if len(s.kubeletApiServerList) > 0 {
apiServerArgs = strings.Join(s.kubeletApiServerList, ",")
} else {
apiServerArgs = strings.Join(s.apiServerList, ",")
}
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--api-servers=%s", apiServerArgs))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--v=%d", s.executorLogV)) // this also applies to the minion
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--allow-privileged=%t", s.allowPrivileged))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--suicide-timeout=%v", s.executorSuicideTimeout))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--mesos-launch-grace-period=%v", s.launchGracePeriod))
if s.executorBindall {
//TODO(jdef) determine whether hostname-override is really needed for bindall because
//it conflicts with kubelet node status checks/updates
//ci.Arguments = append(ci.Arguments, "--hostname-override=0.0.0.0")
ci.Arguments = append(ci.Arguments, "--address=0.0.0.0")
}
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--mesos-cgroup-prefix=%v", s.mesosCgroupPrefix))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--cadvisor-port=%v", s.kubeletCadvisorPort))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--sync-frequency=%v", s.kubeletSyncFrequency))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--contain-pod-resources=%t", s.containPodResources))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--enable-debugging-handlers=%t", s.kubeletEnableDebuggingHandlers))
if s.kubeletKubeconfig != "" {
//TODO(jdef) should probably support non-local files, e.g. hdfs:///some/config/file
if s.kubeletKubeconfig != s.proxyKubeconfig {
if filepath.Base(s.kubeletKubeconfig) == filepath.Base(s.proxyKubeconfig) {
// scheduler serves kubelet-kubeconfig and proxy-kubeconfig by their basename
// we currently don't support the case where the 2 kubeconfig files have the same
// basename but different absolute name, e.g., /kubelet/kubeconfig and /proxy/kubeconfig
return nil, fmt.Errorf("if kubelet-kubeconfig and proxy-kubeconfig are different, they must have different basenames")
}
// allows kubelet-kubeconfig and proxy-kubeconfig to point to the same file
uri, _ := s.serveFrameworkArtifact(s.kubeletKubeconfig)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri)})
}
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--kubeconfig=%s", filepath.Base(s.kubeletKubeconfig)))
}
appendOptional := func(name string, value string) {
if value != "" {
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--%s=%s", name, value))
}
}
if s.clusterDNS != nil {
appendOptional("cluster-dns", s.clusterDNS.String())
}
appendOptional("cluster-domain", s.clusterDomain)
appendOptional("root-dir", s.kubeletRootDirectory)
appendOptional("docker-endpoint", s.kubeletDockerEndpoint)
appendOptional("pod-infra-container-image", s.kubeletPodInfraContainerImage)
appendOptional("host-network-sources", s.kubeletHostNetworkSources)
appendOptional("network-plugin", s.kubeletNetworkPluginName)
// TODO(jdef) this code depends on poorly scoped cadvisor flags, will need refactoring soon
appendOptional(flagutil.Cadvisor.HousekeepingInterval.NameValue())
appendOptional(flagutil.Cadvisor.GlobalHousekeepingInterval.NameValue())
log.V(1).Infof("prepared executor command %q with args '%+v'", ci.GetValue(), ci.Arguments)
// Create mesos scheduler driver.
execInfo := &mesos.ExecutorInfo{
Command: ci,
Name: proto.String(cloud.KubernetesExecutorName),
Source: proto.String(execcfg.DefaultInfoSource),
}
// Check for staticPods
data, staticPodCPUs, staticPodMem := s.prepareStaticPods()
// set prototype resource. During procument these act as the blue print only.
// In a final ExecutorInfo they might differ due to different procured
// resource roles.
execInfo.Resources = []*mesos.Resource{
mutil.NewScalarResource("cpus", float64(s.mesosExecutorCPUs)+staticPodCPUs),
mutil.NewScalarResource("mem", float64(s.mesosExecutorMem)+staticPodMem),
}
// calculate the ExecutorInfo hash to be used for validating compatibility.
// It is used to determine whether a running executor is compatible with the
// current scheduler configuration. If it is not, offers for those nodes
// are declined by our framework and the operator has to phase out those
// running executors in a cluster.
execInfo.ExecutorId = executorinfo.NewID(execInfo)
execInfo.Data = data
log.V(1).Infof("started with executor id %v", execInfo.ExecutorId.GetValue())
return execInfo, nil
}
func (s *SchedulerServer) prepareExecutorInfo(hks hyperkube.Interface) (*mesos.ExecutorInfo, *uid.UID, error) {
ci := &mesos.CommandInfo{
Shell: proto.Bool(false),
}
if s.ExecutorPath != "" {
uri, executorCmd := s.serveFrameworkArtifact(s.ExecutorPath)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
ci.Value = proto.String(fmt.Sprintf("./%s", executorCmd))
} else if !hks.FindServer(hyperkube.CommandMinion) {
return nil, nil, fmt.Errorf("either run this scheduler via km or else --executor-path is required")
} else {
if strings.Index(s.KMPath, "://") > 0 {
// URI could point directly to executable, e.g. hdfs:///km
// or else indirectly, e.g. http://acmestorage/tarball.tgz
// so we assume that for this case the command will always "km"
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(s.KMPath), Executable: proto.Bool(true)})
ci.Value = proto.String("./km") // TODO(jdef) extract constant
} else if s.KMPath != "" {
uri, kmCmd := s.serveFrameworkArtifact(s.KMPath)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
ci.Value = proto.String(fmt.Sprintf("./%s", kmCmd))
} else {
uri, kmCmd := s.serveFrameworkArtifact(s.executable)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
ci.Value = proto.String(fmt.Sprintf("./%s", kmCmd))
}
ci.Arguments = append(ci.Arguments, hyperkube.CommandMinion)
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--run-proxy=%v", s.RunProxy))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--proxy-bindall=%v", s.ProxyBindall))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--proxy-logv=%d", s.ProxyLogV))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--path-override=%s", s.MinionPathOverride))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--max-log-size=%v", s.MinionLogMaxSize.String()))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--max-log-backups=%d", s.MinionLogMaxBackups))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--max-log-age=%d", s.MinionLogMaxAgeInDays))
}
if s.DockerCfgPath != "" {
uri := s.serveFrameworkArtifactWithFilename(s.DockerCfgPath, ".dockercfg")
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(false), Extract: proto.Bool(false)})
}
//TODO(jdef): provide some way (env var?) for users to customize executor config
//TODO(jdef): set -address to 127.0.0.1 if `address` is 127.0.0.1
apiServerArgs := strings.Join(s.APIServerList, ",")
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--api-servers=%s", apiServerArgs))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--v=%d", s.ExecutorLogV)) // this also applies to the minion
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--allow-privileged=%t", s.AllowPrivileged))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--suicide-timeout=%v", s.ExecutorSuicideTimeout))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--mesos-launch-grace-period=%v", s.LaunchGracePeriod))
if s.ExecutorBindall {
//TODO(jdef) determine whether hostname-override is really needed for bindall because
//it conflicts with kubelet node status checks/updates
//ci.Arguments = append(ci.Arguments, "--hostname-override=0.0.0.0")
ci.Arguments = append(ci.Arguments, "--address=0.0.0.0")
}
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--mesos-cgroup-prefix=%v", s.MesosCgroupPrefix))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--cadvisor-port=%v", s.KubeletCadvisorPort))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--sync-frequency=%v", s.KubeletSyncFrequency))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--contain-pod-resources=%t", s.ContainPodResources))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--enable-debugging-handlers=%t", s.EnableProfiling))
if s.AuthPath != "" {
//TODO(jdef) should probably support non-local files, e.g. hdfs:///some/config/file
uri, basename := s.serveFrameworkArtifact(s.AuthPath)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri)})
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--auth-path=%s", basename))
}
appendOptional := func(name string, value string) {
if value != "" {
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--%s=%s", name, value))
}
}
if s.ClusterDNS != nil {
appendOptional("cluster-dns", s.ClusterDNS.String())
}
appendOptional("cluster-domain", s.ClusterDomain)
appendOptional("root-dir", s.KubeletRootDirectory)
appendOptional("docker-endpoint", s.KubeletDockerEndpoint)
appendOptional("pod-infra-container-image", s.KubeletPodInfraContainerImage)
appendOptional("host-network-sources", s.KubeletHostNetworkSources)
appendOptional("network-plugin", s.KubeletNetworkPluginName)
log.V(1).Infof("prepared executor command %q with args '%+v'", ci.GetValue(), ci.Arguments)
// Create mesos scheduler driver.
execInfo := &mesos.ExecutorInfo{
Command: ci,
Name: proto.String(execcfg.DefaultInfoName),
Source: proto.String(execcfg.DefaultInfoSource),
}
// Check for staticPods
var staticPodCPUs, staticPodMem float64
if s.StaticPodsConfigPath != "" {
bs, paths, err := archive.ZipDir(s.StaticPodsConfigPath)
if err != nil {
return nil, nil, err
}
// try to read pod files and sum resources
// TODO(sttts): don't terminate when static pods are broken, but skip them
// TODO(sttts): add a directory watch and tell running executors about updates
for _, podPath := range paths {
podJson, err := ioutil.ReadFile(podPath)
if err != nil {
return nil, nil, fmt.Errorf("error reading static pod spec: %v", err)
}
pod := api.Pod{}
err = json.Unmarshal(podJson, &pod)
if err != nil {
return nil, nil, fmt.Errorf("error parsing static pod spec at %v: %v", podPath, err)
}
// TODO(sttts): allow unlimited static pods as well and patch in the default resource limits
unlimitedCPU := mresource.LimitPodCPU(&pod, s.DefaultContainerCPULimit)
unlimitedMem := mresource.LimitPodMem(&pod, s.DefaultContainerMemLimit)
if unlimitedCPU {
return nil, nil, fmt.Errorf("found static pod without limit on cpu resources: %v", podPath)
}
if unlimitedMem {
return nil, nil, fmt.Errorf("found static pod without limit on memory resources: %v", podPath)
}
cpu := mresource.PodCPULimit(&pod)
mem := mresource.PodMemLimit(&pod)
log.V(2).Infof("reserving %.2f cpu shares and %.2f MB of memory to static pod %s", cpu, mem, pod.Name)
staticPodCPUs += float64(cpu)
staticPodMem += float64(mem)
}
// pass zipped pod spec to executor
execInfo.Data = bs
}
execInfo.Resources = []*mesos.Resource{
mutil.NewScalarResource("cpus", float64(s.MesosExecutorCPUs)+staticPodCPUs),
mutil.NewScalarResource("mem", float64(s.MesosExecutorMem)+staticPodMem),
}
// calculate ExecutorInfo hash to be used for validating compatibility
// of ExecutorInfo's generated by other HA schedulers.
ehash := hashExecutorInfo(execInfo)
eid := uid.New(ehash, execcfg.DefaultInfoID)
execInfo.ExecutorId = &mesos.ExecutorID{Value: proto.String(eid.String())}
return execInfo, eid, nil
}
func (s *SchedulerServer) prepareExecutorInfo(hks hyperkube.Interface) (*mesos.ExecutorInfo, *uid.UID, error) {
ci := &mesos.CommandInfo{
Shell: proto.Bool(false),
}
if s.executorPath != "" {
uri, executorCmd := s.serveFrameworkArtifact(s.executorPath)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
ci.Value = proto.String(fmt.Sprintf("./%s", executorCmd))
} else if !hks.FindServer(hyperkube.CommandMinion) {
return nil, nil, fmt.Errorf("either run this scheduler via km or else --executor-path is required")
} else {
if strings.Index(s.kmPath, "://") > 0 {
// URI could point directly to executable, e.g. hdfs:///km
// or else indirectly, e.g. http://acmestorage/tarball.tgz
// so we assume that for this case the command will always "km"
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(s.kmPath), Executable: proto.Bool(true)})
ci.Value = proto.String("./km") // TODO(jdef) extract constant
} else if s.kmPath != "" {
uri, kmCmd := s.serveFrameworkArtifact(s.kmPath)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
ci.Value = proto.String(fmt.Sprintf("./%s", kmCmd))
} else {
uri, kmCmd := s.serveFrameworkArtifact(s.executable)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
ci.Value = proto.String(fmt.Sprintf("./%s", kmCmd))
}
ci.Arguments = append(ci.Arguments, hyperkube.CommandMinion)
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--run-proxy=%v", s.runProxy))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--proxy-bindall=%v", s.proxyBindall))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--proxy-logv=%d", s.proxyLogV))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--path-override=%s", s.minionPathOverride))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--max-log-size=%v", s.minionLogMaxSize.String()))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--max-log-backups=%d", s.minionLogMaxBackups))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--max-log-age=%d", s.minionLogMaxAgeInDays))
}
if s.sandboxOverlay != "" {
if _, err := os.Stat(s.sandboxOverlay); os.IsNotExist(err) {
return nil, nil, fmt.Errorf("Sandbox overlay archive not found: %s", s.sandboxOverlay)
}
uri, _ := s.serveFrameworkArtifact(s.sandboxOverlay)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(false), Extract: proto.Bool(true)})
}
if s.dockerCfgPath != "" {
uri := s.serveFrameworkArtifactWithFilename(s.dockerCfgPath, ".dockercfg")
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(false), Extract: proto.Bool(false)})
}
//TODO(jdef): provide some way (env var?) for users to customize executor config
//TODO(jdef): set -address to 127.0.0.1 if `address` is 127.0.0.1
apiServerArgs := strings.Join(s.apiServerList, ",")
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--api-servers=%s", apiServerArgs))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--v=%d", s.executorLogV)) // this also applies to the minion
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--allow-privileged=%t", s.allowPrivileged))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--suicide-timeout=%v", s.executorSuicideTimeout))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--mesos-launch-grace-period=%v", s.launchGracePeriod))
if s.executorBindall {
//TODO(jdef) determine whether hostname-override is really needed for bindall because
//it conflicts with kubelet node status checks/updates
//ci.Arguments = append(ci.Arguments, "--hostname-override=0.0.0.0")
ci.Arguments = append(ci.Arguments, "--address=0.0.0.0")
}
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--mesos-cgroup-prefix=%v", s.mesosCgroupPrefix))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--cadvisor-port=%v", s.kubeletCadvisorPort))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--sync-frequency=%v", s.kubeletSyncFrequency))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--contain-pod-resources=%t", s.containPodResources))
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--enable-debugging-handlers=%t", s.enableProfiling))
if s.authPath != "" {
//TODO(jdef) should probably support non-local files, e.g. hdfs:///some/config/file
uri, basename := s.serveFrameworkArtifact(s.authPath)
ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri)})
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--auth-path=%s", basename))
}
appendOptional := func(name string, value string) {
if value != "" {
ci.Arguments = append(ci.Arguments, fmt.Sprintf("--%s=%s", name, value))
}
}
if s.clusterDNS != nil {
appendOptional("cluster-dns", s.clusterDNS.String())
}
appendOptional("cluster-domain", s.clusterDomain)
appendOptional("root-dir", s.kubeletRootDirectory)
appendOptional("docker-endpoint", s.kubeletDockerEndpoint)
appendOptional("pod-infra-container-image", s.kubeletPodInfraContainerImage)
appendOptional("host-network-sources", s.kubeletHostNetworkSources)
appendOptional("network-plugin", s.kubeletNetworkPluginName)
log.V(1).Infof("prepared executor command %q with args '%+v'", ci.GetValue(), ci.Arguments)
// Create mesos scheduler driver.
execInfo := &mesos.ExecutorInfo{
Command: ci,
Name: proto.String(cloud.KubernetesExecutorName),
Source: proto.String(execcfg.DefaultInfoSource),
}
// Check for staticPods
data, staticPodCPUs, staticPodMem := s.prepareStaticPods()
execInfo.Resources = []*mesos.Resource{
mutil.NewScalarResource("cpus", float64(s.mesosExecutorCPUs)+staticPodCPUs),
mutil.NewScalarResource("mem", float64(s.mesosExecutorMem)+staticPodMem),
}
// calculate ExecutorInfo hash to be used for validating compatibility
// of ExecutorInfo's generated by other HA schedulers.
ehash := hashExecutorInfo(execInfo)
eid := uid.New(ehash, execcfg.DefaultInfoID)
execInfo.ExecutorId = &mesos.ExecutorID{Value: proto.String(eid.String())}
execInfo.Data = data
return execInfo, eid, nil
}