Example #1
0
func createMesosClient(
	md detector.Master,
	httpClient *http.Client,
	tr *http.Transport,
	stateCacheTTL time.Duration) (*mesosClient, error) {

	initialMaster := make(chan struct{})
	client := &mesosClient{
		httpClient:    httpClient,
		tr:            tr,
		initialMaster: initialMaster,
		state: &stateCache{
			ttl: stateCacheTTL,
		},
	}
	client.state.refill = client.pollMasterForState
	first := true
	if err := md.Detect(detector.OnMasterChanged(func(info *mesos.MasterInfo) {
		host, port := extractMasterAddress(info)
		if len(host) > 0 {
			client.masterLock.Lock()
			defer client.masterLock.Unlock()
			client.master = fmt.Sprintf("%s:%d", host, port)
			if first {
				first = false
				close(initialMaster)
			}
		}
		log.Infof("cloud master changed to '%v'", client.master)
	})); err != nil {
		log.V(1).Infof("detector initialization failed: %v", err)
		return nil, err
	}
	return client, nil
}
Example #2
0
func createMesosClient(
	md detector.Master,
	httpClient *http.Client,
	tr *http.Transport,
	stateCacheTTL time.Duration) (*mesosClient, error) {

	initialMaster := make(chan struct{})
	client := &mesosClient{
		httpClient:    httpClient,
		tr:            tr,
		initialMaster: initialMaster,
		state: &stateCache{
			ttl: stateCacheTTL,
		},
	}
	client.state.refill = client.pollMasterForState
	first := true
	if err := md.Detect(detector.OnMasterChanged(func(info *mesos.MasterInfo) {
		client.masterLock.Lock()
		defer client.masterLock.Unlock()
		if info == nil {
			client.master = ""
		} else if host := info.GetHostname(); host != "" {
			client.master = host
		} else {
			client.master = unpackIPv4(info.GetIp())
		}
		if len(client.master) > 0 {
			client.master = fmt.Sprintf("%s:%d", client.master, info.GetPort())
			if first {
				first = false
				close(initialMaster)
			}
		}
		log.Infof("cloud master changed to '%v'", client.master)
	})); err != nil {
		log.V(1).Infof("detector initialization failed: %v", err)
		return nil, err
	}
	return client, nil
}