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boot2docker.go
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boot2docker.go
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package provision
import (
"bytes"
"errors"
"fmt"
"os/exec"
"path"
log "github.com/Sirupsen/logrus"
"github.com/docker/machine/drivers"
"github.com/docker/machine/libmachine/auth"
"github.com/docker/machine/libmachine/provision/pkgaction"
"github.com/docker/machine/libmachine/swarm"
"github.com/docker/machine/state"
"github.com/docker/machine/utils"
)
func init() {
Register("boot2docker", &RegisteredProvisioner{
New: NewBoot2DockerProvisioner,
})
}
func NewBoot2DockerProvisioner(d drivers.Driver) Provisioner {
return &Boot2DockerProvisioner{
Driver: d,
}
}
type Boot2DockerProvisioner struct {
OsReleaseInfo *OsRelease
Driver drivers.Driver
SwarmOptions swarm.SwarmOptions
}
func (provisioner *Boot2DockerProvisioner) Service(name string, action pkgaction.ServiceAction) error {
var (
cmd *exec.Cmd
err error
)
cmd, err = provisioner.SSHCommand(fmt.Sprintf("sudo /etc/init.d/%s %s", name, action.String()))
if err != nil {
return err
}
if err := cmd.Run(); err != nil {
return err
}
return nil
}
func (provisioner *Boot2DockerProvisioner) upgradeIso() error {
log.Infof("Stopping machine to do the upgrade...")
switch provisioner.Driver.DriverName() {
case "vmwarefusion", "vmwarevsphere":
return errors.New("Upgrade functionality is currently not supported for these providers, as they use a custom ISO.")
}
if err := provisioner.Driver.Stop(); err != nil {
return err
}
if err := utils.WaitFor(drivers.MachineInState(provisioner.Driver, state.Stopped)); err != nil {
return err
}
machineName := provisioner.GetDriver().GetMachineName()
log.Infof("Upgrading machine %s...", machineName)
b2dutils := utils.NewB2dUtils("", "")
// Usually we call this implicitly, but call it here explicitly to get
// the latest boot2docker ISO.
if err := b2dutils.DownloadLatestBoot2Docker(); err != nil {
return err
}
// Copy the latest version of boot2docker ISO to the machine's directory
if err := b2dutils.CopyIsoToMachineDir("", machineName); err != nil {
return err
}
log.Infof("Starting machine back up...")
if err := provisioner.Driver.Start(); err != nil {
return err
}
return utils.WaitFor(drivers.MachineInState(provisioner.Driver, state.Running))
}
func (provisioner *Boot2DockerProvisioner) Package(name string, action pkgaction.PackageAction) error {
if name == "docker" && action == pkgaction.Upgrade {
if err := provisioner.upgradeIso(); err != nil {
return err
}
}
return nil
}
func (provisioner *Boot2DockerProvisioner) Hostname() (string, error) {
cmd, err := provisioner.SSHCommand(fmt.Sprintf("hostname"))
if err != nil {
return "", err
}
var so bytes.Buffer
cmd.Stdout = &so
if err := cmd.Run(); err != nil {
return "", err
}
return so.String(), nil
}
func (provisioner *Boot2DockerProvisioner) SetHostname(hostname string) error {
cmd, err := provisioner.SSHCommand(fmt.Sprintf(
"sudo hostname %s && echo %q | sudo tee /var/lib/boot2docker/etc/hostname",
hostname,
hostname,
))
if err != nil {
return err
}
return cmd.Run()
}
func (provisioner *Boot2DockerProvisioner) GetDockerOptionsDir() string {
return "/var/lib/boot2docker"
}
func (provisioner *Boot2DockerProvisioner) GenerateDockerOptions(dockerPort int, authOptions auth.AuthOptions) (*DockerOptions, error) {
defaultDaemonOpts := getDefaultDaemonOpts(provisioner.Driver.DriverName(), authOptions)
daemonOpts := fmt.Sprintf("-H tcp://0.0.0.0:%d", dockerPort)
daemonOptsDir := path.Join(provisioner.GetDockerOptionsDir(), "profile")
opts := fmt.Sprintf("%s %s", defaultDaemonOpts, daemonOpts)
daemonCfg := fmt.Sprintf(`EXTRA_ARGS='%s'
CACERT=%s
SERVERCERT=%s
SERVERKEY=%s
DOCKER_TLS=no`, opts, authOptions.CaCertRemotePath, authOptions.ServerCertRemotePath, authOptions.ServerKeyRemotePath)
return &DockerOptions{
EngineOptions: daemonCfg,
EngineOptionsPath: daemonOptsDir,
}, nil
}
func (provisioner *Boot2DockerProvisioner) CompatibleWithHost() bool {
return provisioner.OsReleaseInfo.Id == "boot2docker"
}
func (provisioner *Boot2DockerProvisioner) SetOsReleaseInfo(info *OsRelease) {
provisioner.OsReleaseInfo = info
}
func (provisioner *Boot2DockerProvisioner) Provision(swarmOptions swarm.SwarmOptions, authOptions auth.AuthOptions) error {
if err := provisioner.SetHostname(provisioner.Driver.GetMachineName()); err != nil {
return err
}
if err := installDockerGeneric(provisioner); err != nil {
return err
}
ip, err := provisioner.GetDriver().GetIP()
if err != nil {
return err
}
// b2d hosts need to wait for the daemon to be up
// before continuing with provisioning
if err := utils.WaitForDocker(ip, 2376); err != nil {
return err
}
if err := ConfigureAuth(provisioner, authOptions); err != nil {
return err
}
if err := configureSwarm(provisioner, swarmOptions); err != nil {
return err
}
return nil
}
func (provisioner *Boot2DockerProvisioner) SSHCommand(args ...string) (*exec.Cmd, error) {
return drivers.GetSSHCommandFromDriver(provisioner.Driver, args...)
}
func (provisioner *Boot2DockerProvisioner) GetDriver() drivers.Driver {
return provisioner.Driver
}