func (ft *FacadeTest) Test_PoolCapacity(t *C) {
hostid := "deadb23f"
poolid := "pool-id"
//create pool for test
rp := pool.New(poolid)
if err := ft.Facade.AddResourcePool(ft.CTX, rp); err != nil {
t.Fatalf("Could not add pool for test: %v", err)
}
//fill host with required values
h, err := host.Build("", "65535", poolid, []string{}...)
h.ID = hostid
if err != nil {
t.Fatalf("Unexpected error building host: %v", err)
}
err = ft.Facade.AddHost(ft.CTX, h)
if err != nil {
t.Errorf("Unexpected error adding host: %v", err)
}
// load pool with calculated capacity
loadedPool, err := ft.Facade.GetResourcePool(ft.CTX, poolid)
if err != nil {
t.Fatalf("Unexpected error calculating pool capacity: %v", err)
}
if loadedPool.CoreCapacity <= 0 || loadedPool.MemoryCapacity <= 0 {
t.Fatalf("Unexpected values calculated for %s capacity: CPU - %v : Memory - %v", loadedPool.ID, loadedPool.CoreCapacity, loadedPool.MemoryCapacity)
}
}
func (ft *FacadeTest) Test_GetPoolsIPs(t *C) {
assignIPsPool := pool.New("Test_GetPoolsIPs")
err := ft.Facade.AddResourcePool(ft.CTX, assignIPsPool)
defer func() {
ft.Facade.RemoveResourcePool(ft.CTX, assignIPsPool.ID)
}()
if err != nil {
t.Errorf("Failure creating resource pool %-v with error: %s", assignIPsPool, err)
t.Fail()
}
hostID := "deadb21f"
ipAddress1 := "192.168.100.10"
ipAddress2 := "10.50.9.1"
assignIPsHostIPResources := []host.HostIPResource{}
oneHostIPResource := host.HostIPResource{}
oneHostIPResource.HostID = hostID
oneHostIPResource.IPAddress = ipAddress1
oneHostIPResource.InterfaceName = "eth0"
assignIPsHostIPResources = append(assignIPsHostIPResources, oneHostIPResource)
oneHostIPResource.HostID = "A"
oneHostIPResource.IPAddress = ipAddress2
oneHostIPResource.InterfaceName = "eth1"
assignIPsHostIPResources = append(assignIPsHostIPResources, oneHostIPResource)
assignIPsHost, err := host.Build("", "65535", assignIPsPool.ID, []string{}...)
if err != nil {
t.Fatalf("could not build host for test: %v", err)
}
assignIPsHost.ID = hostID
assignIPsHost.PoolID = assignIPsPool.ID
assignIPsHost.IPs = assignIPsHostIPResources
err = ft.Facade.AddHost(ft.CTX, assignIPsHost)
if err != nil {
t.Fatalf("failed to add host: %v", err)
}
defer func() {
ft.Facade.RemoveHost(ft.CTX, assignIPsHost.ID)
}()
time.Sleep(2 * time.Second)
IPs, err := ft.Facade.GetPoolIPs(ft.CTX, assignIPsPool.ID)
if err != nil {
t.Error("GetPoolIps failed")
}
if len(IPs.HostIPs) != 2 {
t.Fatalf("Expected 2 addresses, found %v", len(IPs.HostIPs))
}
if IPs.HostIPs[0].IPAddress != ipAddress1 {
t.Errorf("Unexpected IP address: %v", IPs.HostIPs[0].IPAddress)
}
if IPs.HostIPs[1].IPAddress != ipAddress2 {
t.Errorf("Unexpected IP address: %v", IPs.HostIPs[1].IPAddress)
}
}
func (s *FacadeTest) Test_HostCRUD(t *C) {
testid := "deadb10f"
poolid := "pool-id"
defer s.Facade.RemoveHost(s.CTX, testid)
//fill host with required values
h, err := host.Build("", "65535", poolid, []string{}...)
h.ID = testid
if err != nil {
t.Fatalf("Unexpected error building host: %v", err)
}
glog.Infof("Facade test add host %v", h)
err = s.Facade.AddHost(s.CTX, h)
//should fail since pool doesn't exist
if err == nil {
t.Errorf("Expected error: %v", err)
}
//create pool for test
rp := pool.New(poolid)
if err := s.Facade.AddResourcePool(s.CTX, rp); err != nil {
t.Fatalf("Could not add pool for test: %v", err)
}
defer s.Facade.RemoveResourcePool(s.CTX, poolid)
err = s.Facade.AddHost(s.CTX, h)
if err != nil {
t.Errorf("Unexpected error adding host: %v", err)
}
//Test re-add fails
err = s.Facade.AddHost(s.CTX, h)
if err == nil {
t.Errorf("Expected already exists error: %v", err)
}
h2, err := s.Facade.GetHost(s.CTX, testid)
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
if h2 == nil {
t.Error("Unexpected nil host")
} else if !host.HostEquals(t, h, h2) {
t.Error("Hosts did not match")
}
//Test update
h.Memory = 1024
err = s.Facade.UpdateHost(s.CTX, h)
h2, err = s.Facade.GetHost(s.CTX, testid)
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
if !host.HostEquals(t, h, h2) {
t.Error("Hosts did not match")
}
//test delete
err = s.Facade.RemoveHost(s.CTX, testid)
h2, err = s.Facade.GetHost(s.CTX, testid)
if err != nil && !datastore.IsErrNoSuchEntity(err) {
t.Errorf("Unexpected error: %v", err)
}
}
func (dt *DaoTest) TestDaoAutoAssignIPs(t *C) {
assignIPsPool := pool.New("assignIPsPoolID")
fmt.Printf("%s\n", assignIPsPool.ID)
err := dt.Facade.AddResourcePool(dt.CTX, assignIPsPool)
if err != nil {
t.Errorf("Failure creating resource pool %-v with error: %s", assignIPsPool, err)
t.Fail()
}
ipAddress1 := "192.168.100.10"
ipAddress2 := "10.50.9.1"
assignIPsHostIPResources := []host.HostIPResource{}
oneHostIPResource := host.HostIPResource{}
oneHostIPResource.HostID = HOSTID
oneHostIPResource.IPAddress = ipAddress1
oneHostIPResource.InterfaceName = "eth0"
assignIPsHostIPResources = append(assignIPsHostIPResources, oneHostIPResource)
oneHostIPResource.HostID = HOSTID
oneHostIPResource.IPAddress = ipAddress2
oneHostIPResource.InterfaceName = "eth1"
assignIPsHostIPResources = append(assignIPsHostIPResources, oneHostIPResource)
assignIPsHost, err := host.Build("", "65535", assignIPsPool.ID, []string{}...)
if err != nil {
t.Fatalf("Error creating host: %v", err)
}
assignIPsHost.ID = HOSTID
assignIPsHost.IPs = assignIPsHostIPResources
err = dt.Facade.AddHost(dt.CTX, assignIPsHost)
if err != nil {
t.Fatalf("Failure creating resource host %-v with error: %s", assignIPsHost, err)
}
testService := service.Service{
ID: "assignIPsServiceID",
Name: "testsvc",
Launch: "auto",
PoolID: assignIPsPool.ID,
DeploymentID: "deployment_id",
Endpoints: []service.ServiceEndpoint{
service.ServiceEndpoint{
EndpointDefinition: servicedefinition.EndpointDefinition{
Name: "AssignIPsEndpointName",
Protocol: "tcp",
PortNumber: 8081,
Application: "websvc",
Purpose: "import",
AddressConfig: servicedefinition.AddressResourceConfig{
Port: 8081,
Protocol: commons.TCP,
},
},
},
},
}
err = dt.Dao.AddService(testService, &id)
if err != nil {
t.Fatalf("Failure creating service %-v with error: %s", testService, err)
}
assignmentRequest := dao.AssignmentRequest{testService.ID, "", true}
err = dt.Dao.AssignIPs(assignmentRequest, nil)
if err != nil {
t.Errorf("AssignIPs failed: %v", err)
}
assignments := []addressassignment.AddressAssignment{}
err = dt.Dao.GetServiceAddressAssignments(testService.ID, &assignments)
if err != nil {
t.Error("GetServiceAddressAssignments failed: %v", err)
}
if len(assignments) != 1 {
t.Error("Expected 1 AddressAssignment but found ", len(assignments))
}
}
func (ft *FacadeTest) Test_InvalidVirtualIPs(t *C) {
fmt.Println(" ##### Test_InvalidVirtualIPs")
myPoolID := "Test_InvalidVirtualIPs"
assignIPsPool := pool.New(myPoolID)
err := ft.Facade.AddResourcePool(ft.CTX, assignIPsPool)
defer func() {
ft.Facade.RemoveResourcePool(ft.CTX, assignIPsPool.ID)
}()
if err != nil {
t.Errorf("Failure creating resource pool %-v with error: %s", assignIPsPool, err)
t.Fail()
}
hostID := "deadb22f"
ipAddress1 := "192.168.100.10"
assignIPsHostIPResources := []host.HostIPResource{}
oneHostIPResource := host.HostIPResource{}
oneHostIPResource.HostID = hostID
oneHostIPResource.IPAddress = ipAddress1
myInterfaceName := "eth0"
oneHostIPResource.InterfaceName = myInterfaceName
assignIPsHostIPResources = append(assignIPsHostIPResources, oneHostIPResource)
assignIPsHost, err := host.Build("", "65535", assignIPsPool.ID, []string{}...)
if err != nil {
t.Fatalf("could not build host for test: %v", err)
}
assignIPsHost.ID = hostID
assignIPsHost.PoolID = assignIPsPool.ID
assignIPsHost.IPs = assignIPsHostIPResources
err = ft.Facade.AddHost(ft.CTX, assignIPsHost)
if err != nil {
t.Fatalf("failed to add host: %v", err)
}
defer func() {
ft.Facade.RemoveHost(ft.CTX, assignIPsHost.ID)
}()
time.Sleep(2 * time.Second)
invalidIPAddresses := []string{"192.F.100.20", "192.168.100.3*", "192.168.100", "192..168.100.50"}
// try adding invalid IPs
if err := ft.Facade.AddVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: invalidIPAddresses[0], Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err == nil {
t.Errorf("AddVirtualIP should have failed on: %v", invalidIPAddresses[0])
}
if err := ft.Facade.AddVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: invalidIPAddresses[1], Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err == nil {
t.Errorf("AddVirtualIP should have failed on: %v", invalidIPAddresses[1])
}
if err := ft.Facade.AddVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: invalidIPAddresses[2], Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err == nil {
t.Errorf("AddVirtualIP should have failed on: %v", invalidIPAddresses[2])
}
if err := ft.Facade.AddVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: invalidIPAddresses[3], Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err == nil {
t.Errorf("AddVirtualIP should have failed on: %v", invalidIPAddresses[3])
}
validIPAddress := "192.168.100.20"
invalidPoolID := "invalidPoolID"
// try adding a with an invalid poolID
if err := ft.Facade.AddVirtualIP(ft.CTX, pool.VirtualIP{PoolID: invalidPoolID, IP: validIPAddress, Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err == nil {
t.Errorf("AddVirtualIP should have failed on invalid pool ID: %v", invalidPoolID)
}
// add an already present static IP
if err := ft.Facade.AddVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: ipAddress1, Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err == nil {
t.Errorf("Added an IP that was already (%v) there... should have failed.", validIPAddress)
}
// add a virtual IP
if err := ft.Facade.AddVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: validIPAddress, Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err != nil {
t.Errorf("AddVirtualIP failed: %v", err)
}
// try to add an already added virtual IP
if err := ft.Facade.AddVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: validIPAddress, Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err == nil {
t.Errorf("Added an IP that was already (%v) there... should have failed.", validIPAddress)
}
notAddedIPAddress := "192.168.100.30"
// try removing a virtual IP that has not been added
if err := ft.Facade.RemoveVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: notAddedIPAddress, Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err == nil {
t.Errorf("Tried to remove a virtual IP that was NOT in the pool: %v", notAddedIPAddress)
}
// try removing a static IP
if err := ft.Facade.RemoveVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: ipAddress1, Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err == nil {
t.Errorf("Tried to remove a virtual IP that was NOT in the pool: %v", notAddedIPAddress)
}
// try removing with an invalid pool ID
if err := ft.Facade.RemoveVirtualIP(ft.CTX, pool.VirtualIP{PoolID: invalidPoolID, IP: validIPAddress, Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err == nil {
t.Errorf("Invalid Pool ID (%v) should have failed.", invalidPoolID)
}
}
func (ft *FacadeTest) Test_VirtualIPs(t *C) {
fmt.Println(" ##### Test_VirtualIPs")
myPoolID := "Test_VirtualIPs"
assignIPsPool := pool.New(myPoolID)
err := ft.Facade.AddResourcePool(ft.CTX, assignIPsPool)
defer func() {
ft.Facade.RemoveResourcePool(ft.CTX, assignIPsPool.ID)
}()
if err != nil {
t.Errorf("Failure creating resource pool %-v with error: %s", assignIPsPool, err)
t.Fail()
}
hostID := "deadb22f"
ipAddress1 := "192.168.100.10"
assignIPsHostIPResources := []host.HostIPResource{}
oneHostIPResource := host.HostIPResource{}
oneHostIPResource.HostID = hostID
oneHostIPResource.IPAddress = ipAddress1
myInterfaceName := "eth0"
oneHostIPResource.InterfaceName = myInterfaceName
assignIPsHostIPResources = append(assignIPsHostIPResources, oneHostIPResource)
assignIPsHost, err := host.Build("", "65535", assignIPsPool.ID, []string{}...)
if err != nil {
t.Fatalf("could not build host for test: %v", err)
}
assignIPsHost.ID = hostID
assignIPsHost.PoolID = assignIPsPool.ID
assignIPsHost.IPs = assignIPsHostIPResources
err = ft.Facade.AddHost(ft.CTX, assignIPsHost)
if err != nil {
t.Fatalf("failed to add host: %v", err)
}
defer func() {
ft.Facade.RemoveHost(ft.CTX, assignIPsHost.ID)
}()
time.Sleep(2 * time.Second)
someIPAddresses := []string{"192.168.100.20", "192.168.100.30", "192.168.100.40", "192.168.100.50"}
if err := ft.Facade.AddVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: someIPAddresses[0], Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err != nil {
t.Errorf("AddVirtualIP failed: %v", err)
}
if err := ft.Facade.AddVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: someIPAddresses[1], Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err != nil {
t.Errorf("AddVirtualIP failed: %v", err)
}
if err := ft.Facade.AddVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: someIPAddresses[2], Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err != nil {
t.Errorf("AddVirtualIP failed: %v", err)
}
if err := ft.Facade.AddVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: someIPAddresses[3], Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err != nil {
t.Errorf("AddVirtualIP failed: %v", err)
}
IPs, err := ft.Facade.GetPoolIPs(ft.CTX, assignIPsPool.ID)
if err != nil {
t.Errorf("GetPoolIps failed: %v", err)
}
if len(IPs.VirtualIPs) != 4 {
t.Fatalf("Expected 4 addresses, found %v", len(IPs.VirtualIPs))
}
for _, vip := range IPs.VirtualIPs {
found := false
for _, anIPAddress := range someIPAddresses {
if anIPAddress == vip.IP {
fmt.Println(" ##### Found: ", vip.IP)
found = true
break
}
}
if !found {
t.Errorf("Did not find %v in the model...", vip.IP)
}
}
if err := ft.Facade.RemoveVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: someIPAddresses[0], Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err != nil {
t.Errorf("RemoveVirtualIP failed: %v", err)
}
if err := ft.Facade.RemoveVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: someIPAddresses[1], Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err != nil {
t.Errorf("RemoveVirtualIP failed: %v", err)
}
if err := ft.Facade.RemoveVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: someIPAddresses[3], Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err != nil {
t.Errorf("RemoveVirtualIP failed: %v", err)
}
IPs, err = ft.Facade.GetPoolIPs(ft.CTX, assignIPsPool.ID)
if err != nil {
t.Errorf("GetPoolIps failed: %v", err)
}
fmt.Println(" ##### IPs.VirtualIPs: ", IPs.VirtualIPs)
if len(IPs.VirtualIPs) != 1 {
t.Fatalf("Expected 1 address, found %v", len(IPs.VirtualIPs))
}
if IPs.VirtualIPs[0].IP != someIPAddresses[2] {
t.Fatalf("Expected %v but found %v", someIPAddresses[2], IPs.VirtualIPs[0].IP)
}
if err := ft.Facade.RemoveVirtualIP(ft.CTX, pool.VirtualIP{PoolID: myPoolID, IP: someIPAddresses[2], Netmask: "255.255.255.0", BindInterface: myInterfaceName}); err != nil {
t.Errorf("RemoveVirtualIP failed: %v", err)
}
}
func (d *daemon) startAgent() error {
muxListener, err := createMuxListener()
if err != nil {
return err
}
mux, err := proxy.NewTCPMux(muxListener)
if err != nil {
return err
}
agentIP := options.OutboundIP
if agentIP == "" {
var err error
agentIP, err = utils.GetIPAddress()
if err != nil {
glog.Fatalf("Failed to acquire ip address: %s", err)
}
}
rpcPort := "0"
parts := strings.Split(options.Listen, ":")
if len(parts) > 1 {
rpcPort = parts[1]
}
thisHost, err := host.Build(agentIP, rpcPort, "unknown")
if err != nil {
panic(err)
}
myHostID, err := utils.HostID()
if err != nil {
return fmt.Errorf("HostID failed: %v", err)
} else if err := validation.ValidHostID(myHostID); err != nil {
glog.Errorf("invalid hostid: %s", myHostID)
}
go func() {
var poolID string
for {
poolID = func() string {
glog.Infof("Trying to discover my pool...")
var myHost *host.Host
masterClient, err := master.NewClient(d.servicedEndpoint)
if err != nil {
glog.Errorf("master.NewClient failed (endpoint %+v) : %v", d.servicedEndpoint, err)
return ""
}
defer masterClient.Close()
myHost, err = masterClient.GetHost(myHostID)
if err != nil {
glog.Warningf("masterClient.GetHost %v failed: %v (has this host been added?)", myHostID, err)
return ""
}
poolID = myHost.PoolID
glog.Infof(" My PoolID: %v", poolID)
//send updated host info
updatedHost, err := host.UpdateHostInfo(*myHost)
if err != nil {
glog.Infof("Could not send updated host information: %v", err)
return poolID
}
err = masterClient.UpdateHost(updatedHost)
if err != nil {
glog.Warningf("Could not update host information: %v", err)
return poolID
}
glog.V(2).Infof("Sent updated host info %#v", updatedHost)
return poolID
}()
if poolID != "" {
break
}
select {
case <-d.shutdown:
return
case <-time.After(5 * time.Second):
continue
}
}
thisHost.PoolID = poolID
basePoolPath := "/pools/" + poolID
dsn := coordzk.NewDSN(options.Zookeepers, time.Second*15).String()
glog.Infof("zookeeper dsn: %s", dsn)
zClient, err := coordclient.New("zookeeper", dsn, basePoolPath, nil)
if err != nil {
glog.Errorf("failed create a new coordclient: %v", err)
}
zzk.InitializeLocalClient(zClient)
poolBasedConn, err := zzk.GetLocalConnection(zzk.GeneratePoolPath(poolID))
if err != nil {
glog.Errorf("Error in getting a connection based on pool %v: %v", poolID, err)
}
if options.NFSClient != "0" {
nfsClient, err := storage.NewClient(thisHost, path.Join(options.VarPath, "volumes"))
if err != nil {
glog.Fatalf("could not create an NFS client: %s", err)
}
go func() {
<-d.shutdown
glog.Infof("shutting down storage client")
nfsClient.Close()
}()
//loop and log waiting for Storage Leader
nfsDone := make(chan struct{})
go func() {
defer close(nfsDone)
nfsClient.Wait()
}()
//wait indefinitely(?) for storage to work before starting
glog.Info("Waiting for Storage Leader")
nfsUp := false
for !nfsUp {
select {
case <-nfsDone:
nfsUp = true
glog.Info("Found Storage Leader")
break
case <-time.After(time.Second * 30):
glog.Info("Waiting for Storage Leader, will not be available for running services. ")
continue
}
}
} else {
glog.Info("NFS Client disabled")
}
agentOptions := node.AgentOptions{
PoolID: thisHost.PoolID,
Master: options.Endpoint,
UIPort: options.UIPort,
RPCPort: options.RPCPort,
DockerDNS: options.DockerDNS,
VarPath: options.VarPath,
Mount: options.Mount,
FSType: options.FSType,
Zookeepers: options.Zookeepers,
Mux: mux,
UseTLS: options.TLS,
DockerRegistry: dockerRegistry,
MaxContainerAge: time.Duration(int(time.Second) * options.MaxContainerAge),
VirtualAddressSubnet: options.VirtualAddressSubnet,
}
// creates a zClient that is not pool based!
hostAgent, err := node.NewHostAgent(agentOptions)
d.hostAgent = hostAgent
d.waitGroup.Add(1)
go func() {
hostAgent.Start(d.shutdown)
glog.Info("Host Agent has shutdown")
d.waitGroup.Done()
}()
// register the API
glog.V(0).Infoln("registering ControlPlaneAgent service")
if err = d.rpcServer.RegisterName("ControlPlaneAgent", hostAgent); err != nil {
glog.Fatalf("could not register ControlPlaneAgent RPC server: %v", err)
}
if options.ReportStats {
statsdest := fmt.Sprintf("http://%s/api/metrics/store", options.HostStats)
statsduration := time.Duration(options.StatsPeriod) * time.Second
glog.V(1).Infoln("Staring container statistics reporter")
statsReporter, err := stats.NewStatsReporter(statsdest, statsduration, poolBasedConn)
if err != nil {
glog.Errorf("Error kicking off stats reporter %v", err)
} else {
go func() {
defer statsReporter.Close()
<-d.shutdown
}()
}
}
}()
glog.Infof("agent start staticips: %v [%d]", d.staticIPs, len(d.staticIPs))
if err = d.rpcServer.RegisterName("Agent", agent.NewServer(d.staticIPs)); err != nil {
glog.Fatalf("could not register Agent RPC server: %v", err)
}
if err != nil {
glog.Fatalf("Could not start ControlPlane agent: %v", err)
}
// TODO: Integrate this server into the rpc server, or something.
// Currently its only use is for command execution.
go func() {
sio := shell.NewProcessExecutorServer(options.Endpoint, dockerRegistry)
http.ListenAndServe(":50000", sio)
}()
return nil
}
func (d *daemon) startMaster() error {
agentIP := options.OutboundIP
if agentIP == "" {
var err error
agentIP, err = utils.GetIPAddress()
if err != nil {
glog.Fatalf("Failed to acquire ip address: %s", err)
}
}
// This is storage related
rpcPort := "0"
parts := strings.Split(options.Listen, ":")
if len(parts) > 1 {
rpcPort = parts[1]
}
thisHost, err := host.Build(agentIP, rpcPort, d.masterPoolID)
if err != nil {
glog.Errorf("could not build host for agent IP %s: %v", agentIP, err)
return err
}
if err := os.MkdirAll(options.VarPath, 0755); err != nil {
glog.Errorf("could not create varpath %s: %s", options.VarPath, err)
return err
}
volumesPath := path.Join(options.VarPath, "volumes")
if d.networkDriver, err = nfs.NewServer(volumesPath, "serviced_var_volumes", "0.0.0.0/0"); err != nil {
return err
} else {
d.storageHandler, err = storage.NewServer(d.networkDriver, thisHost, volumesPath)
if err != nil {
return err
}
}
if d.dsDriver, err = d.initDriver(); err != nil {
return err
}
if d.dsContext, err = d.initContext(); err != nil {
return err
}
localClient, err := d.initZK(options.Zookeepers)
if err != nil {
glog.Errorf("failed to create a local coordclient: %v", err)
return err
}
zzk.InitializeLocalClient(localClient)
if len(options.RemoteZookeepers) > 0 {
remoteClient, err := d.initZK(options.RemoteZookeepers)
if err != nil {
glog.Warningf("failed to create a remote coordclient; running in disconnected mode: %v", err)
} else {
zzk.InitializeRemoteClient(remoteClient)
}
}
d.facade = d.initFacade()
if d.cpDao, err = d.initDAO(); err != nil {
return err
}
health.SetDao(d.cpDao)
go health.Cleanup(d.shutdown)
if err = d.facade.CreateDefaultPool(d.dsContext, d.masterPoolID); err != nil {
return err
}
if err = d.registerMasterRPC(); err != nil {
return err
}
d.initWeb()
d.addTemplates()
d.startScheduler()
return nil
}