func (f Filter) FilterBasedOnSize(c config.Cpi, node rackhdapi.Node) (bool, error) {
size, ok := f.data.(int)
if !ok {
return false, fmt.Errorf("error converting disk size: disk size must be convertible to int")
}
catalog, err := rackhdapi.GetNodeCatalog(c, node.ID)
if err != nil {
return false, fmt.Errorf("error getting catalog of VM: %s", node.ID)
}
persistentDiskSize := catalog.Data.BlockDevices[rackhdapi.PersistentDiskLocation].Size
if persistentDiskSize == "" {
return false, fmt.Errorf("error creating disk for node %s: no disk found at %s", node.ID, rackhdapi.PersistentDiskLocation)
}
availableSpaceInKB, err := strconv.Atoi(persistentDiskSize)
if err != nil {
return false, fmt.Errorf("error creating disk for node %s: %v", node.ID, err)
}
if availableSpaceInKB < size*1024 {
return false, fmt.Errorf("error creating disk with size %vMB for node %s: insufficient available disk space", size, node.ID)
}
return true, 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 CreateVM(c config.Cpi, extInput bosh.MethodArguments) (string, error) {
agentID, stemcellCID, publicKey, boshNetworks, nodeID, err := parseCreateVMInput(extInput)
if err != nil {
return "", err
}
nodeID, err = TryReservation(c, nodeID, SelectNodeFromRackHD, ReserveNodeFromRackHD)
if err != nil {
return "", err
}
var netSpec bosh.Network
var netName string
for k, v := range boshNetworks {
netName = k
netSpec = v
}
nodeCatalog, err := rackhdapi.GetNodeCatalog(c, nodeID)
if err != nil {
return "", err
}
if netSpec.NetworkType == bosh.ManualNetworkType {
netSpec, err = attachMAC(nodeCatalog.Data.NetworkData.Networks, netSpec)
if err != nil {
return "", err
}
}
node, err := rackhdapi.GetNode(c, nodeID)
if err != nil {
return "", err
}
var diskCID string
if node.PersistentDisk.DiskCID == "" {
diskCID = fmt.Sprintf("%s-%s", nodeID, c.RequestID)
container := rackhdapi.PersistentDiskSettingsContainer{
PersistentDisk: rackhdapi.PersistentDiskSettings{
PregeneratedDiskCID: diskCID,
},
}
bodyBytes, err := json.Marshal(container)
if err != nil {
return "", fmt.Errorf("error marshalling persistent disk information for agent %s", agentID)
}
err = rackhdapi.PatchNode(c, node.ID, bodyBytes)
if err != nil {
return "", err
}
} else {
diskCID = node.PersistentDisk.DiskCID
}
persistentMetadata := map[string]interface{}{}
if _, sdbFound := nodeCatalog.Data.BlockDevices["sdb"]; sdbFound {
persistentMetadata = map[string]interface{}{
diskCID: map[string]string{
"path": "/dev/sdb",
},
}
}
env := bosh.AgentEnv{
AgentID: agentID,
Blobstore: c.Agent.Blobstore,
Disks: map[string]interface{}{
"system": "/dev/sda",
"persistent": persistentMetadata,
},
Mbus: c.Agent.Mbus,
Networks: map[string]bosh.Network{netName: netSpec},
NTP: c.Agent.Ntp,
VM: map[string]string{
"id": nodeID,
"name": nodeID,
},
PublicKey: publicKey,
}
envBytes, err := json.Marshal(env)
if err != nil {
return "", fmt.Errorf("error marshalling agent env %s", err)
}
envReader := bytes.NewReader(envBytes)
vmCID, err := rackhdapi.UploadFile(c, nodeID, envReader, int64(len(envBytes)))
if err != nil {
return "", err
}
defer rackhdapi.DeleteFile(c, nodeID)
workflowName, err := workflows.PublishProvisionNodeWorkflow(c)
if err != nil {
return "", fmt.Errorf("error publishing provision workflow: %s", err)
}
wipeDisk := (nodeID == "")
err = workflows.RunProvisionNodeWorkflow(c, nodeID, workflowName, vmCID, stemcellCID, wipeDisk)
if err != nil {
return "", fmt.Errorf("error running provision workflow: %s", err)
}
return vmCID, nil
}
})
Describe("Getting catalog", func() {
It("returns a catalog", func() {
expectedNodeCatalog := helpers.LoadNodeCatalog("../spec_assets/dummy_node_catalog_response.json")
expectedNodeCatalogData, err := json.Marshal(expectedNodeCatalog)
testNodeID := "55e79eb14e66816f6152fffb"
Expect(err).ToNot(HaveOccurred())
server.AppendHandlers(
ghttp.CombineHandlers(
ghttp.VerifyRequest("GET", fmt.Sprintf("/api/common/nodes/%s/catalogs/ohai", testNodeID)),
ghttp.RespondWith(http.StatusOK, expectedNodeCatalogData),
),
)
catalog, err := rackhdapi.GetNodeCatalog(cpiConfig, testNodeID)
Expect(err).ToNot(HaveOccurred())
Expect(server.ReceivedRequests()).To(HaveLen(1))
Expect(catalog).To(Equal(expectedNodeCatalog))
})
})
Describe("blocking nodes", func() {
It("sends a request to block a node", func() {
nodes := helpers.LoadNodes("../spec_assets/dummy_two_node_response.json")
server.AppendHandlers(
ghttp.CombineHandlers(
ghttp.VerifyRequest("PATCH", fmt.Sprintf("/api/common/nodes/%s", nodes[0].ID)),
ghttp.VerifyJSON(fmt.Sprintf(`{"status": "%s", "status_reason": "%s"}`, "blocked", "Node has missing disks")),