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boot2podman.go
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boot2podman.go
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package provision
import (
"bytes"
"encoding/json"
"fmt"
//"net"
"path"
"text/template"
//"time"
"github.com/boot2podman/machine/commands/mcndirs"
"github.com/boot2podman/machine/libmachine/auth"
"github.com/boot2podman/machine/libmachine/drivers"
"github.com/boot2podman/machine/libmachine/engine"
"github.com/boot2podman/machine/libmachine/log"
"github.com/boot2podman/machine/libmachine/mcnutils"
"github.com/boot2podman/machine/libmachine/provision/pkgaction"
"github.com/boot2podman/machine/libmachine/provision/serviceaction"
"github.com/boot2podman/machine/libmachine/state"
)
func init() {
Register("boot2podman", &RegisteredProvisioner{
New: NewBoot2PodmanProvisioner,
})
}
func NewBoot2PodmanProvisioner(d drivers.Driver) Provisioner {
return &Boot2PodmanProvisioner{
Driver: d,
}
}
type Boot2PodmanProvisioner struct {
OsReleaseInfo *OsRelease
Driver drivers.Driver
AuthOptions auth.Options
EngineOptions engine.Options
}
func (provisioner *Boot2PodmanProvisioner) String() string {
return "boot2podman"
}
func (provisioner *Boot2PodmanProvisioner) Service(name string, action serviceaction.ServiceAction) error {
_, err := provisioner.SSHCommand(fmt.Sprintf("sudo /etc/init.d/%s %s", name, action.String()))
return err
}
func (provisioner *Boot2PodmanProvisioner) upgradeIso() error {
// TODO: Ideally, we should not read from mcndirs directory at all.
// The driver should be able to communicate how and where to place the
// relevant files.
b2putils := mcnutils.NewB2pUtils(mcndirs.GetBaseDir())
// Check if the driver has specified a custom b2p url
jsonDriver, err := json.Marshal(provisioner.GetDriver())
if err != nil {
return err
}
var d struct {
Boot2PodmanURL string
}
json.Unmarshal(jsonDriver, &d)
log.Info("Stopping machine to do the upgrade...")
if err := provisioner.Driver.Stop(); err != nil {
return err
}
if err := mcnutils.WaitFor(drivers.MachineInState(provisioner.Driver, state.Stopped)); err != nil {
return err
}
machineName := provisioner.GetDriver().GetMachineName()
log.Infof("Upgrading machine %q...", machineName)
// Either download the latest version of the b2p url that was explicitly
// specified when creating the VM or copy the (updated) default ISO
if err := b2putils.CopyIsoToMachineDir(d.Boot2PodmanURL, machineName); err != nil {
return err
}
log.Infof("Starting machine back up...")
if err := provisioner.Driver.Start(); err != nil {
return err
}
return mcnutils.WaitFor(drivers.MachineInState(provisioner.Driver, state.Running))
}
func (provisioner *Boot2PodmanProvisioner) Package(name string, action pkgaction.PackageAction) error {
if name == "podman" && action == pkgaction.Upgrade {
if err := provisioner.upgradeIso(); err != nil {
return err
}
}
return nil
}
func (provisioner *Boot2PodmanProvisioner) Hostname() (string, error) {
return provisioner.SSHCommand("hostname")
}
func (provisioner *Boot2PodmanProvisioner) SetHostname(hostname string) error {
if _, err := provisioner.SSHCommand(fmt.Sprintf(
"sudo /usr/bin/sethostname %s && sudo mkdir -p /var/lib/boot2podman/etc && echo %q | sudo tee /var/lib/boot2podman/etc/hostname",
hostname,
hostname,
)); err != nil {
return err
}
return nil
}
func (provisioner *Boot2PodmanProvisioner) GetEngineOptionsDir() string {
return "/var/lib/boot2podman"
}
func (provisioner *Boot2PodmanProvisioner) GetAuthOptions() auth.Options {
return provisioner.AuthOptions
}
func (provisioner *Boot2PodmanProvisioner) GenerateEngineOptions() (*EngineOptions, error) {
var (
engineCfg bytes.Buffer
)
driverNameLabel := fmt.Sprintf("provider=%s", provisioner.Driver.DriverName())
provisioner.EngineOptions.Labels = append(provisioner.EngineOptions.Labels, driverNameLabel)
engineConfigTmpl := `
EXTRA_ARGS='
{{ range .EngineOptions.Labels }}--label {{.}}
{{ end }}{{ range .EngineOptions.InsecureRegistry }}--insecure-registry {{.}}
{{ end }}{{ range .EngineOptions.RegistryMirror }}--registry-mirror {{.}}
{{ end }}{{ range .EngineOptions.ArbitraryFlags }}--{{.}}
{{ end }}
'
CACERT={{.AuthOptions.CaCertRemotePath}}
SERVERKEY={{.AuthOptions.ServerKeyRemotePath}}
SERVERCERT={{.AuthOptions.ServerCertRemotePath}}
{{range .EngineOptions.Env}}export \"{{ printf "%q" . }}\"
{{end}}
`
t, err := template.New("engineConfig").Parse(engineConfigTmpl)
if err != nil {
return nil, err
}
engineConfigContext := EngineConfigContext{
AuthOptions: provisioner.AuthOptions,
EngineOptions: provisioner.EngineOptions,
}
t.Execute(&engineCfg, engineConfigContext)
daemonOptsDir := path.Join(provisioner.GetEngineOptionsDir(), "profile")
return &EngineOptions{
EngineOptionsString: engineCfg.String(),
EngineOptionsPath: daemonOptsDir,
}, nil
}
func (provisioner *Boot2PodmanProvisioner) CompatibleWithHost() bool {
return provisioner.OsReleaseInfo.ID == "boot2podman" || provisioner.OsReleaseInfo.ID == "tinycore"
}
func (provisioner *Boot2PodmanProvisioner) SetOsReleaseInfo(info *OsRelease) {
provisioner.OsReleaseInfo = info
}
func (provisioner *Boot2PodmanProvisioner) GetOsReleaseInfo() (*OsRelease, error) {
return provisioner.OsReleaseInfo, nil
}
func (provisioner *Boot2PodmanProvisioner) Provision(authOptions auth.Options, engineOptions engine.Options) error {
var (
err error
)
provisioner.AuthOptions = authOptions
provisioner.EngineOptions = engineOptions
if err = provisioner.SetHostname(provisioner.Driver.GetMachineName()); err != nil {
return err
}
if err = makeEngineOptionsDir(provisioner); err != nil {
return err
}
provisioner.AuthOptions = setRemoteAuthOptions(provisioner)
if err = ConfigureAuth(provisioner); err != nil {
return err
}
return err
}
func (provisioner *Boot2PodmanProvisioner) SSHCommand(args string) (string, error) {
return drivers.RunSSHCommandFromDriver(provisioner.Driver, args)
}
func (provisioner *Boot2PodmanProvisioner) GetDriver() drivers.Driver {
return provisioner.Driver
}