// Release an interface for a select ip
func Release(job *engine.Job) error {
var (
id = job.Args[0]
containerInterface = currentInterfaces.Get(id)
)
if containerInterface == nil {
return fmt.Errorf("No network information to release for %s", id)
}
for _, nat := range containerInterface.PortMappings {
if err := portmapper.Unmap(nat); err != nil {
logrus.Infof("Unable to unmap port %s: %s", nat, err)
}
}
if err := ipAllocator.ReleaseIP(bridgeIPv4Network, containerInterface.IP); err != nil {
logrus.Infof("Unable to release IPv4 %s", err)
}
if globalIPv6Network != nil {
if err := ipAllocator.ReleaseIP(globalIPv6Network, containerInterface.IPv6); err != nil {
logrus.Infof("Unable to release IPv6 %s", err)
}
}
return nil
}
func translatePullError(err error, ref reference.Named) error {
switch v := err.(type) {
case errcode.Errors:
if len(v) != 0 {
for _, extra := range v[1:] {
logrus.Infof("Ignoring extra error returned from registry: %v", extra)
}
return translatePullError(v[0], ref)
}
case errcode.Error:
var newErr error
switch v.Code {
case errcode.ErrorCodeDenied:
// ErrorCodeDenied is used when access to the repository was denied
newErr = errors.Errorf("repository %s not found: does not exist or no read access", ref.Name())
case v2.ErrorCodeManifestUnknown:
newErr = errors.Errorf("manifest for %s not found", ref.String())
case v2.ErrorCodeNameUnknown:
newErr = errors.Errorf("repository %s not found", ref.Name())
}
if newErr != nil {
logrus.Infof("Translating %q to %q", err, newErr)
return newErr
}
case xfer.DoNotRetry:
return translatePullError(v.Err, ref)
}
return err
}
func (k *kubernetes) checkConnectionRetry(c *container, ipaddr, protocol string, port, delay, retries int) error {
var protoStr string
var err error
err = nil
if protocol == "udp" {
protoStr = "-u"
}
logrus.Infof("Checking connection from %s to ip %s on port %d, delay: %d, retries: %d",
c, ipaddr, port, delay, retries)
for i := 0; i < retries; i++ {
_, err = k.exec(c, fmt.Sprintf("nc -z -n -v -w 1 %s %s %v", protoStr, ipaddr, port))
if err == nil {
logrus.Infof("Connection to ip %s on port %d SUCCEEDED, tries: %d", ipaddr, port, i+1)
return nil
}
time.Sleep(2 * time.Second)
}
logrus.Errorf("Connection to ip %s on port %d FAILED %v", ipaddr, port, err)
return err
}
// setupTestServer creates a listener for the rest requests.
func setupTestServer() {
router := mux.NewRouter()
// register handlers for cni
t := router.Headers("Content-Type", "application/json").Methods("POST").Subrouter()
t.HandleFunc(cniapi.EPAddURL, httpWrapper(stubAddPod))
t.HandleFunc(cniapi.EPDelURL, httpWrapper(stubDeletePod))
driverPath := cniapi.ContivCniSocket
os.Remove(driverPath)
os.MkdirAll(cniapi.PluginPath, 0700)
go func() {
l, err := net.ListenUnix("unix", &net.UnixAddr{Name: driverPath, Net: "unix"})
if err != nil {
panic(err)
}
logger.Infof("k8s test plugin listening on %s", driverPath)
http.Serve(l, router)
l.Close()
logger.Infof("k8s test plugin closing %s", driverPath)
}()
}
func main() {
startTime := currentTimeMillis()
transportFactory := thrift.NewTFramedTransportFactory(thrift.NewTTransportFactory())
protocolFactory := thrift.NewTBinaryProtocolFactoryDefault()
transport, err := thrift.NewTSocket(NETWORK_ADDR)
if err != nil {
logrus.Fatal(os.Stderr, "error resolving address:", err)
}
useTransport := transportFactory.GetTransport(transport)
client := rpc.NewSessionManagerClientFactory(useTransport, protocolFactory)
if err := transport.Open(); err != nil {
logrus.Fatal(os.Stderr, "Error opening socket to "+NETWORK_ADDR, err)
}
defer transport.Close()
// 开始调用服务的接口
ctx := rpc.NewSessionContext()
sid, _ := client.CreateSession(ctx)
logrus.Infof("创新新的会话id => %s", sid)
ctx, _ = client.GetSession(sid)
logrus.Infof("获取会话上下文 => %+v", ctx)
endTime := currentTimeMillis()
logrus.Infof("本次调用用时: %d 毫秒", endTime-startTime)
}
func (p *Resource) AddNodesHandler(req *restful.Request, resp *restful.Response) {
logrus.Infof("AddNodesHandler is called!")
// Stub an repairpolicy to be populated from the body
request := entity.AddNodeRequest{}
// Populate the user data
err := json.NewDecoder(req.Request.Body).Decode(&request)
logrus.Infof("Username is %v", request.UserName)
logrus.Infof("Cluster is %v", request.ClusterName)
logrus.Infof("CreateNumber is %v", request.CreateNumber)
if err != nil {
logrus.Errorf("convert body to AddNodesRequest failed, error is %v", err)
response.WriteStatusError(services.COMMON_ERROR_INVALIDATE, err, resp)
return
}
servers, code, err := services.GetDeployService().CreateNode(request)
var res response.Response
if err != nil {
errObj := response.Error{Code: code, ErrorMsg: fmt.Sprintf("%v", err)}
res = response.Response{Success: true, Error: &errObj, Data: servers}
} else {
res = response.Response{Success: true, Data: servers}
}
resp.WriteEntity(res)
return
}
func (p *Resource) DeleteClusterHandler(req *restful.Request, resp *restful.Response) {
logrus.Infof("DeleteClusterHandler is called!")
// Stub an repairpolicy to be populated from the body
request := entity.DeleteRequest{}
// Populate the user data
err := json.NewDecoder(req.Request.Body).Decode(&request)
logrus.Infof("Username is %v", request.UserName)
logrus.Infof("Cluster is %v", request.ClusterName)
logrus.Infof("Servers is %v", request.Servers)
if err != nil {
logrus.Errorf("convert body to DeleteClusterRequest failed, error is %v", err)
response.WriteStatusError(services.COMMON_ERROR_INVALIDATE, err, resp)
return
}
code, err := services.GetDeployService().DeleteCluster(request.UserName, request.ClusterName, request.Servers)
if err != nil {
response.WriteStatusError(code, err, resp)
return
}
res := response.Response{Success: true}
resp.WriteEntity(res)
return
}
// Create a new RPC server
func NewRpcServer(portNo uint16) (*rpc.Server, net.Listener) {
server := rpc.NewServer()
// Listens on a port
l, e := net.Listen("tcp", fmt.Sprintf(":%d", portNo))
if e != nil {
log.Fatal("listen error:", e)
}
log.Infof("RPC Server is listening on %s\n", l.Addr())
// run in background
go func() {
for {
conn, err := l.Accept()
if err != nil {
// if listener closed, just exit the groutine
if strings.Contains(err.Error(), "use of closed network connection") {
return
}
log.Fatal(err)
}
log.Infof("Server accepted connection to %s from %s\n", conn.LocalAddr(), conn.RemoteAddr())
go server.ServeCodec(jsonrpc.NewServerCodec(conn))
}
}()
return server, l
}
// Create a new client
func dialRpcClient(servAddr string, portNo uint16) (*rpc.Client, net.Conn) {
var client *rpc.Client
var conn net.Conn
var err error
log.Infof("Connecting to RPC server: %s:%d", servAddr, portNo)
// Retry connecting for 10sec
for i := 0; i < 10; i++ {
// Connect to the server
conn, err = net.Dial("tcp", fmt.Sprintf("%s:%d", servAddr, portNo))
if err == nil {
log.Infof("Connected to RPC server: %s:%d", servAddr, portNo)
// Create an RPC client
client = jsonrpc.NewClient(conn)
break
}
log.Warnf("Error %v connecting to %s:%s. Retrying..", err, servAddr, portNo)
// Sleep for a second and retry again
time.Sleep(1 * time.Second)
}
// If we failed to connect, report error
if client == nil {
log.Errorf("Failed to connect to Rpc server %s:%d", servAddr, portNo)
return nil, nil
}
return client, conn
}
func (driver *driver) RequestAddress(a *ipamApi.RequestAddressRequest) (*ipamApi.RequestAddressResponse, error) {
log.Debugf("Address Request request: %+v", a)
if len(a.Address) > 0 {
addr := fmt.Sprintf("%s/32", a.Address)
if _, ok := driver.pool.allocatedIPs[addr]; ok {
return nil, fmt.Errorf("%s already allocated", addr)
}
resp := &ipamApi.RequestAddressResponse{
Address: addr,
}
log.Infof("Addresse request response: %+v", resp)
return resp, nil
}
again:
// just generate a random address
rand.Seed(time.Now().UnixNano())
ip := driver.pool.subnet.IP.To4()
ip[3] = byte(rand.Intn(254))
netIP := fmt.Sprintf("%s/32", ip)
log.Infof("ip:%s", netIP)
_, ok := driver.pool.allocatedIPs[netIP]
if ok {
goto again
}
driver.pool.allocatedIPs[netIP] = true
resp := &ipamApi.RequestAddressResponse{
Address: fmt.Sprintf("%s", netIP),
}
log.Infof("Addresse request response: %+v", resp)
return resp, nil
}
func pluginInstall(c *cli.Context) error {
// Input validation
pluginSource := c.String("source")
if pluginSource == "" {
log.Fatal("Missing required input: source")
}
pluginBinary := c.String("bin-source")
pluginVersionTag := c.String("version")
// Install
if pluginVersionTag == "" {
log.Infof("=> Installing plugin from (%s) with latest version...", pluginSource)
} else {
log.Infof("=> Installing plugin (%s) with version (%s)...", pluginSource, pluginVersionTag)
}
plugin, version, err := plugins.InstallPlugin(pluginSource, pluginBinary, pluginVersionTag)
if err != nil {
log.Fatalf("Failed to install plugin from (%s), error: %s", pluginSource, err)
}
fmt.Println()
log.Infoln(colorstring.Greenf("Plugin (%s) with version (%s) installed ", plugin.Name, version))
if len(plugin.Description) > 0 {
fmt.Println()
fmt.Println(plugin.Description)
fmt.Println()
}
return nil
}
func (b *B2dUtils) CopyIsoToMachineDir(isoURL, machineName string) error {
machinesDir := GetMachineDir()
machineIsoPath := filepath.Join(machinesDir, machineName, b.isoFilename)
// just in case the cache dir has been manually deleted,
// check for it and recreate it if it's gone
if _, err := os.Stat(b.imgCachePath); os.IsNotExist(err) {
log.Infof("Image cache does not exist, creating it at %s...", b.imgCachePath)
if err := os.Mkdir(b.imgCachePath, 0700); err != nil {
return err
}
}
// By default just copy the existing "cached" iso to
// the machine's directory...
if isoURL == "" {
if err := b.copyDefaultIsoToMachine(machineIsoPath); err != nil {
return err
}
} else {
// But if ISO is specified go get it directly
log.Infof("Downloading %s from %s...", b.isoFilename, isoURL)
if err := b.DownloadISO(filepath.Join(machinesDir, machineName), b.isoFilename, isoURL); err != nil {
return err
}
}
return nil
}
// Create schema
func createSchema() {
dbDir := filepath.Dir(*flags.DBPath)
if _, err := os.Stat(dbDir); os.IsNotExist(err) {
os.MkdirAll(dbDir, 0777)
log.Infof("Created directory path=%s", dbDir)
}
db, _ := connection()
defer db.Close()
stmt, err := db.Prepare(`
CREATE TABLE notes (
uid string,
created string,
updated string,
tags string,
content string,
encrypted INTEGER DEFAULT 0,
subject TEXT
);`)
if err != nil {
if err.Error() != "table notes already exists" {
log.Panicf("Unable to prepare schema path=%s, err=%v", *flags.DBPath, err)
}
return
}
_, err = stmt.Exec()
if err != nil {
log.Errorf("Unable to create schema err=%v", err)
}
log.Infof("Schema created path=%s", *flags.DBPath)
}
// Verify does the actual check.
func (v RSAPSSVerifier) Verify(key data.Key, sig []byte, msg []byte) error {
algorithm := key.Algorithm()
var pubKey crypto.PublicKey
switch algorithm {
case data.RSAx509Key:
pemCert, _ := pem.Decode([]byte(key.Public()))
if pemCert == nil {
logrus.Infof("failed to decode PEM-encoded x509 certificate")
return ErrInvalid
}
cert, err := x509.ParseCertificate(pemCert.Bytes)
if err != nil {
logrus.Infof("failed to parse x509 certificate: %s\n", err)
return ErrInvalid
}
pubKey = cert.PublicKey
case data.RSAKey:
var err error
pubKey, err = x509.ParsePKIXPublicKey(key.Public())
if err != nil {
logrus.Infof("failed to parse public key: %s\n", err)
return ErrInvalid
}
default:
logrus.Infof("invalid key type for RSAPSS verifier: %s", algorithm)
return ErrInvalid
}
digest := sha256.Sum256(msg)
return verifyPSS(pubKey, digest[:], sig)
}
// Terminate kills the application
func (a *App) Terminate() {
a.signalLock.Lock()
defer a.signalLock.Unlock()
a.stopPolling()
a.forAllServices(deregisterService)
// Run and wait for preStop command to exit (continues
// unconditionally so we don't worry about returned errors here)
commands.RunAndWait(a.PreStopCmd, log.Fields{"process": "PreStop"})
if a.Command == nil || a.Command.Cmd == nil ||
a.Command.Cmd.Process == nil {
// Not managing the process, so don't do anything
return
}
cmd := a.Command.Cmd // get the underlying process
if a.StopTimeout > 0 {
if err := cmd.Process.Signal(syscall.SIGTERM); err != nil {
log.Warnf("Error sending SIGTERM to application: %s", err)
} else {
time.AfterFunc(time.Duration(a.StopTimeout)*time.Second, func() {
log.Infof("Killing Process %#v", cmd.Process)
cmd.Process.Kill()
})
return
}
}
log.Infof("Killing Process %#v", a.Command.Cmd.Process)
cmd.Process.Kill()
}
// handleConflict takes a candidate and adds it as conflict file.
// If the conflict file already exists, it will be updated.
func handleConflict(cnd candidate) error {
log.Infof("Conflicting files: %s (own) <-> %s (remote)", cnd.ownPath, cnd.bobPath)
bobOwner, err := cnd.bobStore.Owner()
if err != nil {
return err
}
bobFile, err := cnd.bobStore.fs.LookupFile(cnd.bobPath)
if err != nil {
return err
}
conflictPath := cnd.ownPath + "." + bobOwner.ID().User() + ".conflict"
log.Infof("Creating conflict file: %s", conflictPath)
bobHash := bobFile.Hash()
bobSize := bobFile.Size()
bobKey := bobFile.Key()
_, err = stageFile(
cnd.ownStore.fs,
conflictPath,
bobHash,
bobKey,
bobSize,
bobOwner.ID(),
)
if err == ErrNoChange {
return nil
}
return err
}
// helper function to log the stream of bytes from a reader while waiting on
// the error channel. It returns on first error received on the channel
func logOutputAndReturnStatus(r io.Reader, errCh chan error, cancelCh CancelChannel,
cancelFunc context.CancelFunc, jobLogs io.Writer) error {
// this can happen if an error occurred before the ansible could be run,
// just return that error
if r == nil {
return <-errCh
}
// redirect read output to job logs
t := io.TeeReader(r, jobLogs)
s := bufio.NewScanner(t)
ticker := time.Tick(50 * time.Millisecond)
for {
var err error
select {
case <-cancelCh:
err = errJobCancelled
cancelFunc()
for s.Scan() {
logrus.Infof("%s", s.Bytes())
}
return err
case err := <-errCh:
for s.Scan() {
logrus.Infof("%s", s.Bytes())
}
return err
case <-ticker:
// scan any available output while waiting
if s.Scan() {
logrus.Infof("%s", s.Bytes())
}
}
}
}
func verifyEPDel(t *testing.T, brName, epIP string) {
flowList, err := ofctlFlowDump(brName)
if err != nil {
t.Errorf("Error getting flow entries. Err: %v", err)
return
}
matchStr := fmt.Sprintf("tcp,nw_src=%s", epIP)
if ofctlRawFlowMatch(flowList, matchStr) {
t.Errorf("DNAT TCP flows still present %s", flowList)
} else {
log.Infof("DNAT TCP flows removed as expected")
}
matchStr = fmt.Sprintf("udp,nw_src=%s", epIP)
if ofctlRawFlowMatch(flowList, matchStr) {
t.Errorf("DNAT UDP flows still present %s", flowList)
} else {
log.Infof("DNAT UDP flows removed as expected")
}
matchStr = fmt.Sprintf("nw_dst=%s,tp_src=9600", epIP)
if ofctlRawFlowMatch(flowList, matchStr) {
t.Errorf("SNAT flows still present %s", flowList)
} else {
log.Infof("SNAT flows removed as expected")
}
}
func (p *Resource) CreateClusterHandler(req *restful.Request, resp *restful.Response) {
logrus.Infof("CreateClusterHandler is called!")
// Stub an repairpolicy to be populated from the body
request := entity.Request{}
// Populate the user data
err := json.NewDecoder(req.Request.Body).Decode(&request)
logrus.Infof("Request is %v", request)
logrus.Infof("ProviderInfo is %v", request.ProviderInfo)
logrus.Infof("AwsEC2Info is %v", request.ProviderInfo.AwsEC2Info)
if err != nil {
logrus.Errorf("convert body to request failed, error is %v", err)
response.WriteStatusError(services.COMMON_ERROR_INVALIDATE, err, resp)
return
}
servers, code, err := services.GetDeployService().CreateCluster(request)
if err != nil {
response.WriteStatusError(code, err, resp)
return
}
res := response.Response{Success: true, Data: servers}
resp.WriteEntity(res)
return
}
func verifyLB(t *testing.T, brName string, provIPs, provMacs []string) {
flowList, err := ofctlFlowDump(brName)
if err != nil {
t.Errorf("Error getting flow entries. Err: %v", err)
return
}
for _, provIP := range provIPs {
matchStr := fmt.Sprintf("set_field:%s->ip_dst", provIP)
if ofctlRawFlowMatch(flowList, matchStr) {
log.Infof("DNAT to %s found", provIP)
} else {
t.Errorf("DNAT flows to %s NOT found %s", provIP, flowList)
}
matchStr = fmt.Sprintf("tcp,nw_src=%s", provIP)
if ofctlRawFlowMatch(flowList, matchStr) {
log.Infof("SNAT for %s found", provIP)
} else {
t.Errorf("SNAT flows for %s NOT found %s", provIP, flowList)
}
}
for _, provMac := range provMacs {
matchStr := fmt.Sprintf("set_field:%s->eth_dst", provMac)
if ofctlRawFlowMatch(flowList, matchStr) {
log.Infof("MAC rewrite to %s found", provMac)
} else {
t.Errorf("MAC rewrite flows to %s NOT found %s", provMac, flowList)
}
}
}
func freeNetworkResources(stateDriver core.StateDriver, nwMasterCfg *NwConfig,
nwCfg *drivers.OvsCfgNetworkState, gCfg *gstate.Cfg) (err error) {
tempRm, err := resources.GetStateResourceManager()
if err != nil {
return err
}
rm := core.ResourceManager(tempRm)
if nwCfg.PktTagType == "vlan" {
err = gCfg.FreeVLAN(rm, uint(nwCfg.PktTag))
if err != nil {
return err
}
} else if nwCfg.PktTagType == "vxlan" {
log.Infof("freeing vlan %d vxlan %d", nwCfg.PktTag, nwCfg.ExtPktTag)
err = gCfg.FreeVXLAN(rm, uint(nwCfg.ExtPktTag), uint(nwCfg.PktTag))
if err != nil {
return err
}
}
if nwMasterCfg.SubnetIP == "" {
log.Infof("freeing subnet %s/%s", nwCfg.SubnetIP, nwCfg.SubnetLen)
err = gCfg.FreeSubnet(rm, nwCfg.SubnetIP)
if err != nil {
return err
}
}
return err
}
func rawConnectionFromSerial() (net.Conn, error) {
log.Info("opening ttyS0 for backchannel")
f, err := os.OpenFile(pathPrefix+"/ttyS0", os.O_RDWR|os.O_SYNC|syscall.O_NOCTTY, backchannelMode)
if err != nil {
detail := fmt.Errorf("failed to open serial port for backchannel: %s", err)
log.Error(detail)
return nil, detail
}
// set the provided FDs to raw if it's a termial
// 0 is the uninitialized value for Fd
if f.Fd() != 0 && terminal.IsTerminal(int(f.Fd())) {
log.Debug("setting terminal to raw mode")
s, err := terminal.MakeRaw(int(f.Fd()))
if err != nil {
return nil, err
}
log.Infof("s = %#v", s)
}
var conn net.Conn
log.Infof("creating raw connection from ttyS0 (fd=%d)", f.Fd())
conn, err = serial.NewFileConn(f)
return conn, err
}
// Stop halts a container by sending SIGTERM, waiting for the given
// duration in seconds, and then calling SIGKILL and waiting for the
// process to exit. If a negative duration is given, Stop will wait
// for SIGTERM forever. If the container is not running Stop returns
// immediately.
func (container *Container) Stop(seconds int) error {
if !container.IsRunning() {
return nil
}
// 1. Send a SIGTERM
if err := container.killPossiblyDeadProcess(int(syscall.SIGTERM)); err != nil {
logrus.Infof("Failed to send SIGTERM to the process, force killing")
if err := container.killPossiblyDeadProcess(int(syscall.SIGKILL)); err != nil {
return err
}
}
// 2. Wait for the process to exit on its own
if _, err := container.WaitStop(time.Duration(seconds) * time.Second); err != nil {
logrus.Infof("Container %v failed to exit within %d seconds of SIGTERM - using the force", container.ID, seconds)
// 3. If it doesn't, then send SIGKILL
if err := container.Kill(); err != nil {
container.WaitStop(-1 * time.Second)
return err
}
}
container.logEvent("stop")
return nil
}
func createdb(conn string, dbname string) error {
db, err := sql.Open("mysql", conn)
if err != nil {
log.Errorf("Cannot open database(%s), err: %v", conn, err)
return err
}
usedbSql := fmt.Sprintf("use %s", dbname)
_, err = db.Exec(usedbSql)
if err == nil {
log.Infof("DB(%s) already exists, no need to create it.", dbname)
return err
}
defer db.Close()
dbCreateSql := fmt.Sprintf("CREATE DATABASE `%s` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci", dbname)
_, err = db.Exec(dbCreateSql)
if err == nil {
log.Infof("Succeed to create db(%s)", dbname)
}
usedbSql = fmt.Sprintf("use %s", dbname)
_, err = db.Exec(usedbSql)
if err == nil {
log.Infof("DB(%s) already exists, no need to create it.", dbname)
return err
}
return nil
}
// supervise() listens for error notifications and triggers graceful restart
func (s *Supervisor) supervise() {
for {
select {
case err := <-s.restartC:
// This means graceful shutdown, do nothing and return
if err == nil {
log.Infof("watchErrors - graceful shutdown")
s.stop()
return
}
for {
s.options.Clock.Sleep(retryPeriod)
log.Infof("supervise() restarting %s on error: %s", s.proxy, err)
// We failed to initialize server, this error can not be recovered, so send an error and exit
if err := s.init(); err != nil {
log.Infof("Failed to initialize %s, will retry", err)
} else {
break
}
}
case <-s.broadcastCloseC:
s.Stop(false)
}
}
}
func (b *Bridge) setupBridge(externalPort string) error {
la := netlink.NewLinkAttrs()
la.Name = b.bridgeName
bridge, _ := netlink.LinkByName(b.bridgeName)
if bridge == nil {
log.Debugf("Bridge %s does not exist ", b.bridgeName)
out, err := exec.Command("ovs-vsctl", "add-br", b.bridgeName).CombinedOutput()
if err != nil {
log.Fatalf("Bridge %s creation failed been created. Resp: %s, err: %s", b.bridgeName, out, err)
}
log.Infof("Bridge %s has been created. Resp: %s", b.bridgeName, out)
out, err = exec.Command("ovs-vsctl", "add-port", b.bridgeName, externalPort).CombinedOutput()
if err != nil {
log.Fatalf("Failed to add external port %s. Resp: %s, err: %s", externalPort, out, err)
}
log.Infof("External port %s has been added to %s. Resp: %s", externalPort, b.bridgeName, out)
out, err = exec.Command("ifconfig", externalPort, "0.0.0.0").CombinedOutput()
if err != nil {
log.Fatalf("Failed to ip address of port %s. Resp: %s, err: %s", externalPort, out, err)
}
log.Infof("Ip address of port %s has been cleaned. Resp: %s", externalPort, out)
return err
} else {
log.Debugf("Bridge %s already exsist", b.bridgeName)
}
return nil
}
func ClientOK(endpoint string, test func() bool) error {
backoff := util.Backoff{}
defer backoff.Close()
var err error
retry := false
for ok := range backoff.Start() {
if !ok {
err = fmt.Errorf("Timeout waiting for Docker at %s", endpoint)
break
}
if test() {
break
}
retry = true
log.Infof("Waiting for Docker at %s", endpoint)
}
if err != nil {
return err
}
if retry {
log.Infof("Connected to Docker at %s", endpoint)
}
return nil
}
func applyNetConf(link netlink.Link, netConf config.InterfaceConfig) error {
if netConf.DHCP {
log.Infof("Running DHCP on %s", link.Attrs().Name)
cmd := exec.Command("dhcpcd", "-A4", "-e", "force_hostname=true", link.Attrs().Name)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
log.Error(err)
}
} else if netConf.IPV4LL {
if err := AssignLinkLocalIP(link); err != nil {
log.Error("IPV4LL set failed")
return err
}
} else if netConf.Address == "" {
return nil
} else {
addr, err := netlink.ParseAddr(netConf.Address)
if err != nil {
return err
}
if err := netlink.AddrAdd(link, addr); err != nil {
log.Error("addr add failed")
return err
}
log.Infof("Set %s on %s", netConf.Address, link.Attrs().Name)
}
if netConf.MTU > 0 {
if err := netlink.LinkSetMTU(link, netConf.MTU); err != nil {
log.Error("set MTU Failed")
return err
}
}
if err := netlink.LinkSetUp(link); err != nil {
log.Error("failed to setup link")
return err
}
if netConf.Gateway != "" {
gatewayIp := net.ParseIP(netConf.Gateway)
if gatewayIp == nil {
return errors.New("Invalid gateway address " + netConf.Gateway)
}
route := netlink.Route{
Scope: netlink.SCOPE_UNIVERSE,
Gw: net.ParseIP(netConf.Gateway),
}
if err := netlink.RouteAdd(&route); err != nil {
log.Error("gateway set failed")
return err
}
log.Infof("Set default gateway %s", netConf.Gateway)
}
return nil
}
func (c *controller) cleanupLocalEndpoints() {
nl, err := c.getNetworksForScope(datastore.LocalScope)
if err != nil {
log.Warnf("Could not get list of networks during endpoint cleanup: %v", err)
return
}
for _, n := range nl {
epl, err := n.getEndpointsFromStore()
if err != nil {
log.Warnf("Could not get list of endpoints in network %s during endpoint cleanup: %v", n.name, err)
continue
}
for _, ep := range epl {
log.Infof("Removing stale endpoint %s (%s)", ep.name, ep.id)
if err := ep.Delete(true); err != nil {
log.Warnf("Could not delete local endpoint %s during endpoint cleanup: %v", ep.name, err)
}
}
epl, err = n.getEndpointsFromStore()
if err != nil {
log.Warnf("Could not get list of endpoints in network %s for count update: %v", n.name, err)
continue
}
epCnt := n.getEpCnt().EndpointCnt()
if epCnt != uint64(len(epl)) {
log.Infof("Fixing inconsistent endpoint_cnt for network %s. Expected=%d, Actual=%d", n.name, len(epl), epCnt)
n.getEpCnt().setCnt(uint64(len(epl)))
}
}
}
func (r *Router) handleQuery(serfClient *client.RPCClient, query client.QueryEventRecord) {
r.Lock()
defer r.Unlock()
var (
response []byte
handlerFunc ResponderFunc
ok bool
err error
)
if f := r.findHandlerFunc(query.Name); f == nil {
log.Infof("no handler for query: %q", query.Name)
return
} else if handlerFunc, ok = f.(ResponderFunc); !ok {
log.Infof("no handler for query: %q", query.Name)
return
}
if response, err = handlerFunc(query.Name, query); err != nil {
log.Infof("query handler failed. Error: %s", err)
// failure returned by handlers are not considered fatal
// TODO: handle panics inside event handlers as well
return
}
if err := serfClient.Respond(query.ID, response); err != nil {
log.Errorf("responding to query failed. Response body: %v, Error: %s", response, err)
}
}