SEIT
/
docker-machine-driver-xenserver
9
0
Fork 0
Code Issues Pull Requests Releases 1 Wiki Activity
Browse Source

Implemented CoreOS Config Drive via xscontainer

any_template_pr v0.1.4-alpha
Fábio Kaiser Rauber 6 years ago
parent
5b3e682c5e
commit
7ca980ab53
1 changed files with 137 additions and 77 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 214
      xenserver/xenserver.go

214
xenserver/xenserver.go
View File

@ -55,6 +55,7 @@ type Driver struct {
CaCertPath string
PrivateKeyPath string
osTemplateLabelName string
CoreosConfigDrive bool
xenAPIClient *XenAPIClient
}
@ -140,6 +141,11 @@ func (d *Driver) GetCreateFlags() []mcnflag.Flag {
Usage: "XenServer Username used to SSH into guest OS",
Value: B2D_USER,
},
mcnflag.BoolFlag{
EnvVar: "XENSERVER_COREOS_CONFIGDRIVE",
Name: "xenserver-coreos-configdrive",
Usage: "XenServer Enable CoreOS specific ConfigDrive (requires xscontainer supplemental pack)",
},
}
}
@ -201,6 +207,7 @@ func (d *Driver) SetConfigFromFlags(flags drivers.DriverOptions) error {
d.ISO = d.ResolveStorePath(isoFilename)
d.TAR = d.ResolveStorePath(tarFilename)
d.osTemplateLabelName = flags.String("xenserver-os-template")
d.CoreosConfigDrive = flags.Bool("xenserver-coreos-configdrive")
return nil
}
@ -337,7 +344,6 @@ func (d *Driver) Create() error {
// Only upload ISO image if using Other install media, otherwise use existing VM template
var sr *xsclient.SR
var isoVdi,diskVdi *xsclient.VDI
var isoVdiUuid,diskVdiUuid string
// Get the SR
@ -367,7 +373,7 @@ func (d *Driver) Create() error {
}
// Create the VDI
isoVdi, err = sr.CreateVdi(isoFilename, isoFileInfo.Size())
isoVdi, err := sr.CreateVdi(isoFilename, isoFileInfo.Size())
if err != nil {
log.Errorf("Unable to create ISO VDI '%s': %v", isoFilename, err)
return err
@ -390,7 +396,7 @@ func (d *Driver) Create() error {
}
// Create the VDI
diskVdi, err = sr.CreateVdi("bootdocker disk", int64(d.DiskSize)*1024*1024)
diskVdi, err := sr.CreateVdi("bootdocker disk", int64(d.DiskSize)*1024*1024)
if err != nil {
log.Errorf("Unable to create ISO VDI '%s': %v", "bootdocker disk", err)
return err
@ -404,75 +410,6 @@ func (d *Driver) Create() error {
return err
}
} else {
log.Infof("Creating Config Drive...")
pubKey, err := ioutil.ReadFile(d.publicSSHKeyPath())
if err != nil {
return err
}
userdatatext := `#cloud-config
ssh_authorized_keys:
- ` + string(pubKey)
fakeUuid, err := pseudoUuid()
if err != nil {
return err
}
metadatatext := `{ "uuid": "` + fakeUuid + `"}`
tempDir := d.ResolveStorePath("configdrive")
//Create the folder structure inside the temp folder
path := filepath.Join(tempDir, "openstack", "latest")
os.MkdirAll(path, os.ModePerm)
f, err := os.OpenFile(filepath.Join(path, "user_data"), os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
log.Errorf("Unable to open user_data config drive file '%s': %v", path, err)
return err
}
io.WriteString(f, userdatatext)
f.Close()
fmetadata, err := os.OpenFile(filepath.Join(path, "meta_data.json"), os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
log.Errorf("Unable to open meta_data.json config drive file '%s': %v", path, err)
return err
}
io.WriteString(fmetadata, metadatatext)
fmetadata.Close()
configIsoFilename := d.ResolveStorePath("configdrive.iso")
cmd := exec.Command("/usr/bin/mkisofs", "-R", "-V", "config-2", "-o", configIsoFilename, tempDir)
err = cmd.Run()
if err != nil {
log.Errorf("Unable to create ConfigDrive ISO '%s': %v", configIsoFilename, err)
return err
}
configIsoFileInfo, err := os.Stat(configIsoFilename)
if err != nil {
return err
}
// Create the VDI
isoVdi, err = sr.CreateVdi(configIsoFilename, configIsoFileInfo.Size())
if err != nil {
log.Errorf("Unable to create ConfigDrive ISO VDI '%s': %v", configIsoFilename, err)
return err
}
// Import the VDI
log.Infof("Starting import of ConfigDrive VDI '%s'...", configIsoFilename)
if err = d.importVdi(isoVdi, configIsoFilename, time.Duration(d.UploadTimeout)*time.Second); err != nil {
return err
}
isoVdiUuid, err = isoVdi.GetUuid()
if err != nil {
return err
}
}
log.Infof("Creating VM...")
@ -557,7 +494,7 @@ ssh_authorized_keys:
if d.osTemplateLabelName == "Other install media" {
log.Infof("Add ISO VDI to VM...")
diskVdi, err = c.GetVdiByUuid(isoVdiUuid)
diskVdi, err := c.GetVdiByUuid(isoVdiUuid)
if err != nil {
return err
}
@ -578,16 +515,41 @@ ssh_authorized_keys:
return err
}
} else {
log.Infof("Add ConfigDrive ISO VDI to VM...")
diskVdi, err = c.GetVdiByUuid(isoVdiUuid)
pubKey, err := ioutil.ReadFile(d.publicSSHKeyPath())
if err != nil {
return err
}
err = vm.ConnectVdi(diskVdi, xsclient.Disk, "")
vmUuid, err := vm.GetUuid()
if err != nil {
return err
}
srUuid,err := sr.GetUuid()
if err != nil {
return err
}
if d.CoreosConfigDrive {
err := d.createCoreOSConfigDrive(pubKey, vmUuid, srUuid)
if err != nil {
return err
}
} else {
log.Infof("Creating Config Drive...")
isoVdiUuid, err := d.createGenericConfigDrive(pubKey, vmUuid, sr)
if err != nil {
return err
}
log.Infof("Add ConfigDrive ISO VDI to VM...")
diskVdi, err := c.GetVdiByUuid(isoVdiUuid)
if err != nil {
return err
}
err = vm.ConnectVdi(diskVdi, xsclient.Disk, "")
if err != nil {
return err
}
}
}
log.Infof("Add Network to VM...")
@ -1009,3 +971,101 @@ func pseudoUuid() (string, error) {
uuid := fmt.Sprintf("%x-%x-%x-%x-%x", b[0:4], b[4:6], b[6:8], b[8:10], b[10:])
return uuid, nil
}
func (d *Driver) createCoreOSConfigDrive(pubKey []byte, vmuuid string, sruuid string) error {
userdatatext := `#cloud-config
hostname: %XSVMNAMETOHOSTNAME%
coreos:
units:
# XenServer Linux Guest Agent
- name: xe-linux-distribution.service
command: start
content: |
[Unit]
Description=XenServer Linux Guest Agent
After=docker.service
[Service]
ExecStartPre=/media/configdrive/agent/xe-linux-distribution /var/cache/xe-linux-distribution
Environment="XE_UPDATE_GUEST_ATTRS=/media/configdrive/agent/xe-update-guest-attrs"
ExecStart=/media/configdrive/agent/xe-daemon
ssh_authorized_keys:
# The following entry will automatically be replaced with a public key
# generated by XenServer's container management. The key-entry must exist,
# in order to enable container management for this VM.
- ssh-rsa %XSCONTAINERRSAPUB%
- ` + string(pubKey)
hosts, err := d.xenAPIClient.GetHosts()
if err != nil {
log.Errorf("Could not retrieve hosts in the pool: %s", err)
return err
}
ahost := hosts[0]
args := make(map[string]string)
args["vmuuid"] = vmuuid
args["sruuid"] = sruuid
args["configuration"] = userdatatext
ahost.CallPlugin("xscontainer","create_config_drive",args)
return nil
}
func (d *Driver) createGenericConfigDrive(pubKey []byte, vmUuid string, sr *xsclient.SR) (string, error) {
userdatatext := `#cloud-config
ssh_authorized_keys:
- ` + string(pubKey)
metadatatext := `{ "uuid": "` + vmUuid + `"}`
tempDir := d.ResolveStorePath("configdrive")
//Create the folder structure inside the temp folder
path := filepath.Join(tempDir, "openstack", "latest")
os.MkdirAll(path, os.ModePerm)
f, err := os.OpenFile(filepath.Join(path, "user_data"), os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
log.Errorf("Unable to open user_data config drive file '%s': %v", path, err)
return "", err
}
io.WriteString(f, userdatatext)
f.Close()
fmetadata, err := os.OpenFile(filepath.Join(path, "meta_data.json"), os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
log.Errorf("Unable to open meta_data.json config drive file '%s': %v", path, err)
return "", err
}
io.WriteString(fmetadata, metadatatext)
fmetadata.Close()
configIsoFilename := d.ResolveStorePath("configdrive.iso")
cmd := exec.Command("/usr/bin/mkisofs", "-R", "-V", "config-2", "-o", configIsoFilename, tempDir)
err = cmd.Run()
if err != nil {
log.Errorf("Unable to create ConfigDrive ISO '%s': %v", configIsoFilename, err)
return "", err
}
configIsoFileInfo, err := os.Stat(configIsoFilename)
if err != nil {
return "", err
}
// Create the VDI
isoVdi, err := sr.CreateVdi(configIsoFilename, configIsoFileInfo.Size())
if err != nil {
log.Errorf("Unable to create ConfigDrive ISO VDI '%s': %v", configIsoFilename, err)
return "", err
}
// Import the VDI
log.Infof("Starting import of ConfigDrive VDI '%s'...", configIsoFilename)
if err = d.importVdi(isoVdi, configIsoFilename, time.Duration(d.UploadTimeout)*time.Second); err != nil {
return "", err
}
isoVdiUuid, err := isoVdi.GetUuid()
if err != nil {
return "", err
}
return isoVdiUuid, nil
}

Write Preview
Loading…
Cancel
Save