func (d *Driver) waitForSetupTransactions() {
log.Infof("Waiting for host setup transactions to complete")
// sometimes we'll hit a case where there's no active transaction, but if
// we check again in a few seconds, it moves to the next transaction. We
// don't want to get false-positives, so we check a few times in a row to make sure!
noActiveCount, maxNoActiveCount := 0, 3
for {
t, err := d.GetActiveTransaction()
if err != nil {
noActiveCount = 0
log.Debugf("Failed to GetActiveTransaction - %+v", err)
continue
}
if t == "" {
if noActiveCount == maxNoActiveCount {
break
}
noActiveCount++
} else {
noActiveCount = 0
log.Debugf("Still waiting - active transaction is %s...", t)
}
time.Sleep(2 * time.Second)
}
}
func sshAvailableFunc(d Driver) func() bool {
return func() bool {
log.Debug("Getting to WaitForSSH function...")
hostname, err := d.GetSSHHostname()
if err != nil {
log.Debugf("Error getting IP address waiting for SSH: %s", err)
return false
}
port, err := d.GetSSHPort()
if err != nil {
log.Debugf("Error getting SSH port: %s", err)
return false
}
if err := ssh.WaitForTCP(fmt.Sprintf("%s:%d", hostname, port)); err != nil {
log.Debugf("Error waiting for TCP waiting for SSH: %s", err)
return false
}
if _, err := RunSSHCommandFromDriver(d, "exit 0"); err != nil {
log.Debugf("Error getting ssh command 'exit 0' : %s", err)
return false
}
return true
}
}
func (d *Driver) addDockerEndpoints(vmConfig *vmClient.Role) error {
configSets := vmConfig.ConfigurationSets.ConfigurationSet
if len(configSets) == 0 {
return errors.New("no configuration set")
}
for i := 0; i < len(configSets); i++ {
if configSets[i].ConfigurationSetType != "NetworkConfiguration" {
continue
}
ep := vmClient.InputEndpoint{
Name: "docker",
Protocol: "tcp",
Port: d.DockerPort,
LocalPort: d.DockerPort,
}
if d.SwarmMaster {
swarm_ep := vmClient.InputEndpoint{
Name: "docker swarm",
Protocol: "tcp",
Port: d.DockerSwarmMasterPort,
LocalPort: d.DockerSwarmMasterPort,
}
configSets[i].InputEndpoints.InputEndpoint = append(configSets[i].InputEndpoints.InputEndpoint, swarm_ep)
log.Debugf("added Docker swarm master endpoint (port %d) to configuration", d.DockerSwarmMasterPort)
}
configSets[i].InputEndpoints.InputEndpoint = append(configSets[i].InputEndpoints.InputEndpoint, ep)
log.Debugf("added Docker endpoint (port %d) to configuration", d.DockerPort)
}
return nil
}
func vbmOutErr(args ...string) (string, string, error) {
cmd := exec.Command(vboxManageCmd, args...)
log.Debugf("executing: %v %v", vboxManageCmd, strings.Join(args, " "))
var stdout bytes.Buffer
var stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
stderrStr := stderr.String()
if len(args) > 0 {
log.Debugf("STDOUT:\n{\n%v}", stdout.String())
log.Debugf("STDERR:\n{\n%v}", stderrStr)
}
if err != nil {
if ee, ok := err.(*exec.Error); ok && ee == exec.ErrNotFound {
err = ErrVBMNotFound
}
} else {
// VBoxManage will sometimes not set the return code, but has a fatal error
// such as VBoxManage.exe: error: VT-x is not available. (VERR_VMX_NO_VMX)
if strings.Contains(stderrStr, "error:") {
err = fmt.Errorf("%v %v failed: %v", vboxManageCmd, strings.Join(args, " "), stderrStr)
}
}
return stdout.String(), stderrStr, err
}
func execute(args []string) (string, error) {
cmd := exec.Command(powershell, args...)
log.Debugf("[executing ==>] : %v %v", powershell, strings.Join(args, " "))
var stdout bytes.Buffer
var stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
log.Debugf("[stdout =====>] : %s", stdout.String())
log.Debugf("[stderr =====>] : %s", stderr.String())
return stdout.String(), err
}
func (d *Driver) GetIP() (string, error) {
// DHCP is used to get the IP, so virtualbox hosts don't have IPs unless
// they are running
s, err := d.GetState()
if err != nil {
return "", err
}
if s != state.Running {
return "", drivers.ErrHostIsNotRunning
}
output, err := drivers.RunSSHCommandFromDriver(d, "ip addr show dev eth1")
if err != nil {
return "", err
}
log.Debugf("SSH returned: %s\nEND SSH\n", output)
// parse to find: inet 192.168.59.103/24 brd 192.168.59.255 scope global eth1
lines := strings.Split(output, "\n")
for _, line := range lines {
vals := strings.Split(strings.TrimSpace(line), " ")
if len(vals) >= 2 && vals[0] == "inet" {
return vals[1][:strings.Index(vals[1], "/")], nil
}
}
return "", fmt.Errorf("No IP address found %s", output)
}
func (client NativeClient) dialSuccess() bool {
if _, err := ssh.Dial("tcp", fmt.Sprintf("%s:%d", client.Hostname, client.Port), &client.Config); err != nil {
log.Debugf("Error dialing TCP: %s", err)
return false
}
return true
}
func (d *Driver) buildHostSpec() *HostSpec {
spec := &HostSpec{
Hostname: d.deviceConfig.Hostname,
Domain: d.deviceConfig.Domain,
Cpu: d.deviceConfig.Cpu,
Memory: d.deviceConfig.Memory,
Datacenter: Datacenter{Name: d.deviceConfig.Region},
Os: d.deviceConfig.Image,
HourlyBilling: d.deviceConfig.HourlyBilling,
PrivateNetOnly: d.deviceConfig.PrivateNet,
LocalDisk: d.deviceConfig.LocalDisk,
}
if d.deviceConfig.DiskSize > 0 {
spec.BlockDevices = []BlockDevice{{Device: "0", DiskImage: DiskImage{Capacity: d.deviceConfig.DiskSize}}}
}
if d.deviceConfig.PublicVLAN > 0 {
spec.PrimaryNetworkComponent = &NetworkComponent{
NetworkVLAN: &NetworkVLAN{
Id: d.deviceConfig.PublicVLAN,
},
}
}
if d.deviceConfig.PrivateVLAN > 0 {
spec.PrimaryBackendNetworkComponent = &NetworkComponent{
NetworkVLAN: &NetworkVLAN{
Id: d.deviceConfig.PrivateVLAN,
},
}
}
log.Debugf("Built host spec %#v", spec)
return spec
}
func (d *Driver) Restart() error {
if err := d.Stop(); err != nil {
return err
}
// Check for 120 seconds for the machine to stop
for i := 1; i <= 60; i++ {
machineState, err := d.GetState()
if err != nil {
return err
}
if machineState == state.Running {
log.Debugf("Not there yet %d/%d", i, 60)
time.Sleep(2 * time.Second)
continue
}
if machineState == state.Stopped {
break
}
}
machineState, err := d.GetState()
// If the VM is still running after 120 seconds just kill it.
if machineState == state.Running {
if err = d.Kill(); err != nil {
return fmt.Errorf("can't stop VM: %s", err)
}
}
return d.Start()
}
func (d *Driver) configureSecurityGroup(groupName string) error {
log.Debugf("configuring security group in %s", d.VpcId)
var securityGroup *amz.SecurityGroup
groups, err := d.getClient().GetSecurityGroups()
if err != nil {
return err
}
for _, grp := range groups {
if grp.GroupName == groupName {
log.Debugf("found existing security group (%s) in %s", groupName, d.VpcId)
securityGroup = &grp
break
}
}
// if not found, create
if securityGroup == nil {
log.Debugf("creating security group (%s) in %s", groupName, d.VpcId)
group, err := d.getClient().CreateSecurityGroup(groupName, "Docker Machine", d.VpcId)
if err != nil {
return err
}
securityGroup = group
// wait until created (dat eventual consistency)
log.Debugf("waiting for group (%s) to become available", group.GroupId)
if err := mcnutils.WaitFor(d.securityGroupAvailableFunc(group.GroupId)); err != nil {
return err
}
}
d.SecurityGroupId = securityGroup.GroupId
perms := d.configureSecurityGroupPermissions(securityGroup)
if len(perms) != 0 {
log.Debugf("authorizing group %s with permissions: %v", securityGroup.GroupName, perms)
if err := d.getClient().AuthorizeSecurityGroup(d.SecurityGroupId, perms); err != nil {
return err
}
}
return nil
}
func (d *Driver) waitForStart() {
log.Infof("Waiting for host to become available")
for {
s, err := d.GetState()
if err != nil {
log.Debugf("Failed to GetState - %+v", err)
continue
}
if s == state.Running {
break
} else {
log.Debugf("Still waiting - state is %s...", s)
}
time.Sleep(2 * time.Second)
}
}
func (d *Driver) deleteKeyPair() error {
log.Debugf("deleting key pair: %s", d.KeyName)
if err := d.getClient().DeleteKeyPair(d.KeyName); err != nil {
return err
}
return nil
}
func (d *Driver) deleteSecurityGroup() error {
log.Debugf("deleting security group %s", d.SecurityGroupId)
if err := d.getClient().DeleteSecurityGroup(d.SecurityGroupId); err != nil {
return err
}
return nil
}
func (provisioner *DebianProvisioner) Package(name string, action pkgaction.PackageAction) error {
var packageAction string
updateMetadata := true
switch action {
case pkgaction.Install, pkgaction.Upgrade:
packageAction = "install"
case pkgaction.Remove:
packageAction = "remove"
updateMetadata = false
}
switch name {
case "docker":
name = "docker-engine"
}
if updateMetadata {
if _, err := provisioner.SSHCommand("sudo apt-get update"); err != nil {
return err
}
}
// handle the new docker-engine package; we can probably remove this
// after we have a few versions
if action == pkgaction.Upgrade && name == "docker-engine" {
// run the force remove on the existing lxc-docker package
// and remove the existing apt source list
// also re-run the get.docker.com script to properly setup
// the system again
commands := []string{
"rm /etc/apt/sources.list.d/docker.list || true",
"apt-get remove -y lxc-docker || true",
"curl -sSL https://get.docker.com | sh",
}
for _, cmd := range commands {
command := fmt.Sprintf("sudo DEBIAN_FRONTEND=noninteractive %s", cmd)
if _, err := provisioner.SSHCommand(command); err != nil {
return err
}
}
}
command := fmt.Sprintf("DEBIAN_FRONTEND=noninteractive sudo -E apt-get %s -y %s", packageAction, name)
log.Debugf("package: action=%s name=%s", action.String(), name)
if _, err := provisioner.SSHCommand(command); err != nil {
return err
}
return nil
}
func (d *Driver) Create() error {
log.Infof("Creating SSH key...")
key, err := d.createSSHKey()
if err != nil {
return err
}
d.SSHKeyID = key.ID
log.Infof("Creating Digital Ocean droplet...")
client := d.getClient()
createRequest := &godo.DropletCreateRequest{
Image: d.Image,
Name: d.MachineName,
Region: d.Region,
Size: d.Size,
IPv6: d.IPv6,
PrivateNetworking: d.PrivateNetworking,
Backups: d.Backups,
SSHKeys: []interface{}{d.SSHKeyID},
}
newDroplet, _, err := client.Droplets.Create(createRequest)
if err != nil {
return err
}
d.DropletID = newDroplet.Droplet.ID
for {
newDroplet, _, err = client.Droplets.Get(d.DropletID)
if err != nil {
return err
}
for _, network := range newDroplet.Droplet.Networks.V4 {
if network.Type == "public" {
d.IPAddress = network.IPAddress
}
}
if d.IPAddress != "" {
break
}
time.Sleep(1 * time.Second)
}
log.Debugf("Created droplet ID %d, IP address %s",
newDroplet.Droplet.ID,
d.IPAddress)
return nil
}
func RunSSHCommandFromDriver(d Driver, command string) (string, error) {
client, err := GetSSHClientFromDriver(d)
if err != nil {
return "", err
}
log.Debugf("About to run SSH command:\n%s", command)
output, err := client.Output(command)
log.Debugf("SSH cmd err, output: %v: %s", err, output)
if err != nil && !isErr255Exit(err) {
log.Error("SSH cmd error!")
log.Errorf("command: %s", command)
log.Errorf("err : %v", err)
log.Fatalf("output : %s", output)
}
return output, err
}
func (provisioner *RancherProvisioner) getLatestISOURL() (string, error) {
log.Debugf("Reading %s", versionsUrl)
resp, err := http.Get(versionsUrl)
if err != nil {
return "", err
}
defer resp.Body.Close()
// Don't want to pull in yaml parser, we'll do this manually
scanner := bufio.NewScanner(resp.Body)
for scanner.Scan() {
line := scanner.Text()
if strings.HasPrefix(line, "current: ") {
log.Debugf("Found %s", line)
return fmt.Sprintf(isoUrl, strings.Split(line, ":")[2]), err
}
}
return "", fmt.Errorf("Failed to find current version")
}
func WaitForDocker(ip string, daemonPort int) error {
return WaitFor(func() bool {
conn, err := net.Dial("tcp", fmt.Sprintf("%s:%d", ip, daemonPort))
if err != nil {
log.Debugf("Daemon not responding yet: %s", err)
return false
}
conn.Close()
return true
})
}
func MachineInState(d Driver, desiredState state.State) func() bool {
return func() bool {
currentState, err := d.GetState()
if err != nil {
log.Debugf("Error getting machine state: %s", err)
}
if currentState == desiredState {
return true
}
return false
}
}
func (d *Driver) instanceIpAvailable() bool {
ip, err := d.GetIP()
if err != nil {
log.Debug(err)
}
if ip != "" {
d.IPAddress = ip
log.Debugf("Got the IP Address, it's %q", d.IPAddress)
return true
}
return false
}
func (d *Driver) terminate() error {
if d.InstanceId == "" {
return fmt.Errorf("unknown instance")
}
log.Debugf("terminating instance: %s", d.InstanceId)
if err := d.getClient().TerminateInstance(d.InstanceId); err != nil {
return fmt.Errorf("unable to terminate instance: %s", err)
}
return nil
}
// Make a boot2docker userdata.tar key bundle
func (d *Driver) generateKeyBundle() error {
log.Debugf("Creating Tar key bundle...")
magicString := "boot2docker, this is vmware speaking"
tf, err := os.Create(d.LocalArtifactPath("userdata.tar"))
if err != nil {
return err
}
defer tf.Close()
var fileWriter = tf
tw := tar.NewWriter(fileWriter)
defer tw.Close()
// magicString first so we can figure out who originally wrote the tar.
file := &tar.Header{Name: magicString, Size: int64(len(magicString))}
if err := tw.WriteHeader(file); err != nil {
return err
}
if _, err := tw.Write([]byte(magicString)); err != nil {
return err
}
// .ssh/key.pub => authorized_keys
file = &tar.Header{Name: ".ssh", Typeflag: tar.TypeDir, Mode: 0700}
if err := tw.WriteHeader(file); err != nil {
return err
}
pubKey, err := ioutil.ReadFile(d.publicSSHKeyPath())
if err != nil {
return err
}
file = &tar.Header{Name: ".ssh/authorized_keys", Size: int64(len(pubKey)), Mode: 0644}
if err := tw.WriteHeader(file); err != nil {
return err
}
if _, err := tw.Write([]byte(pubKey)); err != nil {
return err
}
file = &tar.Header{Name: ".ssh/authorized_keys2", Size: int64(len(pubKey)), Mode: 0644}
if err := tw.WriteHeader(file); err != nil {
return err
}
if _, err := tw.Write([]byte(pubKey)); err != nil {
return err
}
if err := tw.Close(); err != nil {
return err
}
return nil
}
func WaitForTCP(addr string) error {
for {
log.Debugf("Testing TCP connection to: %s", addr)
conn, err := net.DialTimeout("tcp", addr, 2*time.Second)
if err != nil {
continue
}
defer conn.Close()
return nil
}
}
func (d *Driver) hostOnlyIpAvailable() bool {
ip, err := d.GetIP()
if err != nil {
log.Debug("ERROR getting IP: %s", err)
return false
}
if ip != "" {
log.Debugf("IP is %s", ip)
return true
}
log.Debug("Strangely, there was no error attempting to get the IP, but it was still empty.")
return false
}
func token(storePath, authTokenPath string, config *oauth.Config) *oauth.Token {
tokenPath := authTokenPath
if authTokenPath == "" {
tokenPath = filepath.Join(storePath, "gce_token")
}
log.Debugf("using auth token: %s", tokenPath)
token, err := tokenFromCache(tokenPath)
if err != nil {
token = tokenFromWeb(config)
saveToken(storePath, token)
}
return token
}
func (provisioner *RedHatProvisioner) Provision(swarmOptions swarm.SwarmOptions, authOptions auth.AuthOptions, engineOptions engine.EngineOptions) error {
provisioner.SwarmOptions = swarmOptions
provisioner.AuthOptions = authOptions
provisioner.EngineOptions = engineOptions
// set default storage driver for redhat
if provisioner.EngineOptions.StorageDriver == "" {
provisioner.EngineOptions.StorageDriver = "devicemapper"
}
if err := provisioner.SetHostname(provisioner.Driver.GetMachineName()); err != nil {
return err
}
for _, pkg := range provisioner.Packages {
log.Debugf("installing base package: name=%s", pkg)
if err := provisioner.Package(pkg, pkgaction.Install); err != nil {
return err
}
}
// update OS -- this is needed for libdevicemapper and the docker install
if _, err := provisioner.SSHCommand("sudo yum -y update"); err != nil {
return err
}
// install docker
if err := installDocker(provisioner); err != nil {
return err
}
if err := mcnutils.WaitFor(provisioner.dockerDaemonResponding); err != nil {
return err
}
if err := makeDockerOptionsDir(provisioner); err != nil {
return err
}
provisioner.AuthOptions = setRemoteAuthOptions(provisioner)
if err := ConfigureAuth(provisioner); err != nil {
return err
}
if err := configureSwarm(provisioner, swarmOptions, provisioner.AuthOptions); err != nil {
return err
}
return nil
}
func (provisioner *RancherProvisioner) Provision(swarmOptions swarm.SwarmOptions, authOptions auth.AuthOptions, engineOptions engine.EngineOptions) error {
provisioner.SwarmOptions = swarmOptions
provisioner.AuthOptions = authOptions
provisioner.EngineOptions = engineOptions
if provisioner.EngineOptions.StorageDriver == "" {
provisioner.EngineOptions.StorageDriver = "overlay"
} else if provisioner.EngineOptions.StorageDriver != "overlay" {
return fmt.Errorf("Unsupported storage driver: %s", provisioner.EngineOptions.StorageDriver)
}
log.Debugf("Setting hostname %s", provisioner.Driver.GetMachineName())
if err := provisioner.SetHostname(provisioner.Driver.GetMachineName()); err != nil {
return err
}
for _, pkg := range provisioner.Packages {
log.Debugf("Installing package %s", pkg)
if err := provisioner.Package(pkg, pkgaction.Install); err != nil {
return err
}
}
log.Debugf("Preparing certificates")
provisioner.AuthOptions = setRemoteAuthOptions(provisioner)
log.Debugf("Setting up certificates")
if err := ConfigureAuth(provisioner); err != nil {
return err
}
log.Debugf("Configuring swarm")
if err := configureSwarm(provisioner, swarmOptions, provisioner.AuthOptions); err != nil {
return err
}
return nil
}
func (d *Driver) Remove() error {
if err := d.setUserSubscription(); err != nil {
return err
}
if available, _, err := vmClient.CheckHostedServiceNameAvailability(d.MachineName); err != nil {
return err
} else if available {
return nil
}
log.Debugf("removing %s", d.MachineName)
return vmClient.DeleteHostedService(d.MachineName)
}
func (d *Driver) setupHostOnlyNetwork(machineName string) error {
hostOnlyCIDR := d.HostOnlyCIDR
// This is to assist in migrating from version 0.2 to 0.3 format
// it should be removed in a later release
if hostOnlyCIDR == "" {
hostOnlyCIDR = defaultHostOnlyCIDR
}
ip, network, err := net.ParseCIDR(hostOnlyCIDR)
if err != nil {
return err
}
nAddr := network.IP.To4()
dhcpAddr, err := getRandomIPinSubnet(network.IP)
if err != nil {
return err
}
lowerDHCPIP := net.IPv4(nAddr[0], nAddr[1], nAddr[2], byte(100))
upperDHCPIP := net.IPv4(nAddr[0], nAddr[1], nAddr[2], byte(254))
log.Debugf("using %s for dhcp address", dhcpAddr)
hostOnlyNetwork, err := getOrCreateHostOnlyNetwork(
ip,
network.Mask,
dhcpAddr,
lowerDHCPIP,
upperDHCPIP,
)
if err != nil {
return err
}
if err := vbm("modifyvm", machineName,
"--nic2", "hostonly",
"--nictype2", d.HostOnlyNicType,
"--nicpromisc2", d.HostOnlyPromiscMode,
"--hostonlyadapter2", hostOnlyNetwork.Name,
"--cableconnected2", "on"); err != nil {
return err
}
return nil
}
func (d *Driver) Create() error {
log.Infof("Importing SSH key...")
if err := mcnutils.CopyFile(d.SSHKey, d.GetSSHKeyPath()); err != nil {
return fmt.Errorf("unable to copy ssh key: %s", err)
}
if err := os.Chmod(d.GetSSHKeyPath(), 0600); err != nil {
return err
}
log.Debugf("IP: %s", d.IPAddress)
return nil
}
