func DeleteVM(c config.Cpi, extInput bosh.MethodArguments) error {
var cid string
if reflect.TypeOf(extInput[0]) != reflect.TypeOf(cid) {
return errors.New("Received unexpected type for vm cid")
}
cid = extInput[0].(string)
node, err := rackhdapi.GetNodeByVMCID(c, cid)
if err != nil {
return err
}
nodeID := node.ID
workflowName, err := workflows.PublishDeprovisionNodeWorkflow(c, cid)
if err != nil {
return err
}
err = workflows.RunDeprovisionNodeWorkflow(c, nodeID, workflowName)
if err != nil {
return err
}
err = rackhdapi.ReleaseNode(c, nodeID)
if err != nil {
return err
}
return nil
}
func SetVMMetadata(c config.Cpi, extInput bosh.MethodArguments) error {
var cid string
if reflect.TypeOf(extInput[0]) != reflect.TypeOf(cid) {
return fmt.Errorf("Cannot set VM metadata: received unexpected value for vm cid: %s", cid)
}
cid = extInput[0].(string)
metadata, err := json.Marshal(extInput[1])
if err != nil {
return fmt.Errorf("Cannot set VM metadata: metadata is not valid JSON")
} else {
for _, v := range extInput[1].(map[string]interface{}) {
switch v.(type) {
case string, int:
default:
fmt.Println("Cannot set VM metadata: metadata must be a hash with string or integer values")
}
}
}
node, err := rackhdapi.GetNodeByVMCID(c, cid)
nodeID := node.ID
if err != nil {
return err
}
return rackhdapi.SetNodeMetadata(c, nodeID, string(metadata))
}
func CreateDisk(c config.Cpi, extInput bosh.MethodArguments) (string, error) {
diskSizeInMB, vmCID, err := parseCreateDiskInput(extInput)
if err != nil {
return "", err
}
filter := Filter{
data: diskSizeInMB,
method: FilterBasedOnSizeMethod,
}
var diskCID string
var node rackhdapi.Node
if vmCID != "" {
node, err = rackhdapi.GetNodeByVMCID(c, vmCID)
if err != nil {
return "", err
}
if node.PersistentDisk.DiskCID != "" {
return "", fmt.Errorf("error creating disk: VM %s already has a persistent disk", vmCID)
}
valid, err := filter.Run(c, node)
if !valid || err != nil {
return "", fmt.Errorf("error creating disk: %v", err)
}
if node.PersistentDisk.PregeneratedDiskCID == "" {
return "", fmt.Errorf("error creating disk: can not find pregenerated disk cid for VM %s", vmCID)
}
diskCID = node.PersistentDisk.PregeneratedDiskCID
} else {
node.ID, err = TryReservationWithFilter(c, "", filter, SelectNodeFromRackHD, ReserveNodeFromRackHD)
if err != nil {
return "", err
}
diskCID = fmt.Sprintf("%s-%s", node.ID, c.RequestID)
}
container := rackhdapi.PersistentDiskSettingsContainer{
PersistentDisk: rackhdapi.PersistentDiskSettings{
DiskCID: diskCID,
Location: fmt.Sprintf("/dev/%s", rackhdapi.PersistentDiskLocation),
IsAttached: false,
},
}
bodyBytes, err := json.Marshal(container)
if err != nil {
return "", fmt.Errorf("error marshalling persistent disk information for VM %s", vmCID)
}
err = rackhdapi.PatchNode(c, node.ID, bodyBytes)
if err != nil {
return "", err
}
return container.PersistentDisk.DiskCID, nil
}
func CreateDisk(c config.Cpi, extInput bosh.MethodArguments) (string, error) {
diskSizeInMB, vmCID, err := parseCreateDiskInput(extInput)
if err != nil {
return "", err
}
var node rackhdapi.Node
if vmCID != "" {
node, err = rackhdapi.GetNodeByVMCID(c, vmCID)
if err != nil {
return "", err
}
if node.PersistentDisk.DiskCID != "" {
return "", fmt.Errorf("error creating disk: VM %s already has a persistent disk", vmCID)
}
} else {
nodeID, err := SelectNodeFromRackHD(c, "")
if err != nil {
return "", err
}
node.ID = nodeID
}
catalog, err := rackhdapi.GetNodeCatalog(c, node.ID)
if err != nil {
return "", fmt.Errorf("error getting catalog of VM: %s", vmCID)
}
availableSpaceInKB, err := strconv.Atoi(catalog.Data.BlockDevices[rackhdapi.PersistentDiskLocation].Size)
if err != nil {
return "", fmt.Errorf("error creating disk for VM %s: disk not found", vmCID)
}
if availableSpaceInKB < diskSizeInMB*1024 {
return "", fmt.Errorf("error creating disk with size %vMB for VM %s: insufficient available disk space", diskSizeInMB, vmCID)
}
container := rackhdapi.PersistentDiskSettingsContainer{
PersistentDisk: rackhdapi.PersistentDiskSettings{
DiskCID: node.ID,
Location: fmt.Sprintf("/dev/%s", rackhdapi.PersistentDiskLocation),
IsAttached: false,
},
}
bodyBytes, err := json.Marshal(container)
if err != nil {
return "", fmt.Errorf("error marshalling persistent disk information for VM %s", vmCID)
}
err = rackhdapi.PatchNode(c, node.ID, bodyBytes)
if err != nil {
return "", err
}
return node.ID, nil
}
func AttachDisk(c config.Cpi, extInput bosh.MethodArguments) error {
var vmCID string
var diskCID string
if reflect.TypeOf(extInput[0]) != reflect.TypeOf(vmCID) {
return errors.New("Received unexpected type for vm cid")
}
if reflect.TypeOf(extInput[1]) != reflect.TypeOf(diskCID) {
return errors.New("Received unexpected type for disk cid")
}
vmCID = extInput[0].(string)
diskCID = extInput[1].(string)
node, err := rackhdapi.GetNodeByVMCID(c, vmCID)
if err != nil {
return fmt.Errorf("VM: %s not found\n", vmCID)
}
if node.PersistentDisk.DiskCID == "" {
return fmt.Errorf("Disk: %s not found on VM: %s", diskCID, vmCID)
}
if node.PersistentDisk.DiskCID != diskCID {
if node.PersistentDisk.IsAttached {
return fmt.Errorf("Node %s has persistent disk %s attached. Cannot attach additional disk %s.", vmCID, node.PersistentDisk.DiskCID, diskCID)
} else {
return fmt.Errorf("Node %s has persistent disk %s, but detached. Cannot attach disk %s.", vmCID, node.PersistentDisk.DiskCID, diskCID)
}
}
if node.CID != vmCID {
return fmt.Errorf("Disk: %s does not belong to VM: %s\n", diskCID, vmCID)
}
if !node.PersistentDisk.IsAttached {
container := rackhdapi.PersistentDiskSettingsContainer{
PersistentDisk: node.PersistentDisk,
}
container.PersistentDisk.IsAttached = true
bodyBytes, err := json.Marshal(container)
if err != nil {
return err
}
err = rackhdapi.PatchNode(c, node.ID, bodyBytes)
if err != nil {
return err
}
}
return nil
}
func GetDisks(c config.Cpi, extInput bosh.MethodArguments) ([]string, error) {
var vmCID string
if reflect.TypeOf(extInput[0]) != reflect.TypeOf(vmCID) {
return nil, errors.New("Received unexpected type for vm cid")
}
vmCID = extInput[0].(string)
node, err := rackhdapi.GetNodeByVMCID(c, vmCID)
if err != nil {
return nil, err
}
if node.PersistentDisk.DiskCID != "" {
result := make([]string, 1)
result[0] = node.PersistentDisk.DiskCID
return result, nil
} else {
return make([]string, 0), nil
}
}
func DeleteVM(c config.Cpi, extInput bosh.MethodArguments) error {
var cid string
if reflect.TypeOf(extInput[0]) != reflect.TypeOf(cid) {
return errors.New("Received unexpected type for vm cid")
}
cid = extInput[0].(string)
node, err := rackhdapi.GetNodeByVMCID(c, cid)
if err != nil {
return err
}
if node.PersistentDisk.IsAttached {
err = rackhdapi.MakeDiskRequest(c, node, false)
if err != nil {
return err
}
}
workflowName, err := workflows.PublishDeprovisionNodeWorkflow(c)
if err != nil {
return err
}
err = workflows.RunDeprovisionNodeWorkflow(c, node.ID, workflowName)
if err != nil {
return err
}
if node.PersistentDisk.DiskCID == "" {
err = rackhdapi.ReleaseNode(c, node.ID)
if err != nil {
return err
}
}
return nil
}
})
})
Describe("Getting a single node by CID", func() {
It("returns expected node's fields", func() {
expectedNodes := helpers.LoadNodes("../spec_assets/dummy_all_nodes_are_vms.json")
expectedNodesData, err := json.Marshal(expectedNodes)
Expect(err).ToNot(HaveOccurred())
server.AppendHandlers(
ghttp.CombineHandlers(
ghttp.VerifyRequest("GET", "/api/common/nodes"),
ghttp.RespondWith(http.StatusOK, expectedNodesData),
),
)
node, err := rackhdapi.GetNodeByVMCID(cpiConfig, "vm-5678")
Expect(err).ToNot(HaveOccurred())
Expect(node).To(Equal(expectedNodes[0]))
})
})
Describe("Getting a single node by disk CID", func() {
It("returns node with the disk specified", func() {
expectedNodes := helpers.LoadNodes("../spec_assets/dummy_create_vm_with_disk_response.json")
expectedNodesData, err := json.Marshal(expectedNodes)
Expect(err).ToNot(HaveOccurred())
server.AppendHandlers(
ghttp.CombineHandlers(
ghttp.VerifyRequest("GET", "/api/common/nodes"),
ghttp.RespondWith(http.StatusOK, expectedNodesData),