func NewRackspaceSDK(username, apiKey, SSHKeyName string) *RackspaceSDK {
if SSHKeyName == "" {
panic("Empty SSHKeyName of instance don't allow!")
}
sdk := &RackspaceSDK{
Username: username,
APIKey: apiKey,
SSHKeyName: SSHKeyName,
Region: "HKG",
InstanceName: "kmg-RackspaceSDK-auto-build",
ImageName: "Ubuntu 14.04 LTS (Trusty Tahr) (PVHVM)",
FlavorName: "4 GB General Purpose v1",
}
ao := gophercloud.AuthOptions{
Username: sdk.Username,
APIKey: sdk.APIKey,
}
provider, err := rackspace.AuthenticatedClient(ao)
handleErr(err)
serviceClient, err := rackspace.NewComputeV2(provider, gophercloud.EndpointOpts{
Region: sdk.Region,
})
handleErr(err)
sdk.p = serviceClient
return sdk
}
func newClient() (*gophercloud.ServiceClient, error) {
// Obtain credentials from the environment.
options, err := rackspace.AuthOptionsFromEnv()
if err != nil {
return nil, err
}
options = tools.OnlyRS(options)
region := os.Getenv("RS_REGION")
if options.Username == "" {
return nil, errors.New("Please provide a Rackspace username as RS_USERNAME.")
}
if options.APIKey == "" {
return nil, errors.New("Please provide a Rackspace API key as RS_API_KEY.")
}
if region == "" {
return nil, errors.New("Please provide a Rackspace region as RS_REGION.")
}
client, err := rackspace.AuthenticatedClient(options)
if err != nil {
return nil, err
}
return rackspace.NewComputeV2(client, gophercloud.EndpointOpts{
Region: region,
})
}
func GetList(c *cli.Context) {
// assign vars from cli args
user := c.String("user")
key := c.String("key")
region := c.String("region")
// step 1, set up auth options
ao := gophercloud.AuthOptions{
Username: user,
APIKey: key,
}
// step 2, rax auth to get back provider instance
provider, err := rackspace.AuthenticatedClient(ao)
if err != nil {
fmt.Println(err)
}
// set rax region
serviceClient, err2 := rackspace.NewComputeV2(provider, gophercloud.EndpointOpts{
Region: region,
})
if err2 != nil {
fmt.Println(err2)
}
// Retrieve a pager (i.e. a paginated collection)
server_pager := servers.List(serviceClient, nil)
// Define an anonymous function to be executed on each page's iteration
err6 := server_pager.EachPage(func(page pagination.Page) (bool, error) {
serverList, err7 := servers.ExtractServers(page)
if err7 != nil {
fmt.Println(err7)
}
for _, s := range serverList {
// "s" will be a servers.Server
// https://github.com/rackspace/gophercloud/blob/master/openstack/compute/v2/servers/results.go
fmt.Println("Name: ", s.Name)
fmt.Println("UUID: ", s.ID)
fmt.Println("Created: ", s.Created)
fmt.Println("Updated: ", s.Updated)
fmt.Println("Progress: ", s.Progress)
fmt.Println("HostID: ", s.HostID)
fmt.Println("Image: ", s.Image["id"])
fmt.Println("Flavor ID: ", s.Flavor["id"])
fmt.Println("Status: ", s.Status)
fmt.Println("Access: ", s.AccessIPv4)
fmt.Println("Public: ", s.Addresses["public"])
fmt.Println("Addresses: ", s.Addresses)
fmt.Println("\n")
}
return true, nil
})
if err6 != nil {
fmt.Println(err6)
}
}
func (rs *Rackspace) getComputeClient() (*gophercloud.ServiceClient, error) {
client, err := rackspace.NewComputeV2(rs.provider, gophercloud.EndpointOpts{
Region: rs.region,
})
if err != nil || client == nil {
glog.Errorf("Unable to initialize nova client for region: %s", rs.region)
}
return client, nil
}
func newComputeClient() (*gophercloud.ServiceClient, error) {
provider, err := newProvider()
if err != nil {
return nil, err
}
return rackspace.NewComputeV2(provider, gophercloud.EndpointOpts{
Region: os.Getenv("RS_REGION"),
})
}
// Instances returns an implementation of Instances for Rackspace.
func (os *Rackspace) Instances() (cloudprovider.Instances, bool) {
glog.V(2).Info("rackspace.Instances() called")
compute, err := rackspace.NewComputeV2(os.provider, gophercloud.EndpointOpts{
Region: os.region,
})
if err != nil {
glog.Warningf("Failed to find compute endpoint: %v", err)
return nil, false
}
glog.V(1).Info("Claiming to support Instances")
return &Instances{compute}, true
}
// print list of cloud servers images to stdout
func Get(c *cli.Context) {
// assign vars from cli args
user := c.String("user")
key := c.String("key")
region := c.String("region")
// step 1, set up auth options
ao := gophercloud.AuthOptions{
Username: user,
APIKey: key,
}
// step 2, rax auth to get back provider instance
provider, err := rackspace.AuthenticatedClient(ao)
if err != nil {
fmt.Println(err)
}
// set rax region
serviceClient, err := rackspace.NewComputeV2(provider, gophercloud.EndpointOpts{
Region: region,
})
if err != nil {
fmt.Println(err)
}
//opts3 := images.ListOpts{}
cmdErr := images.ListDetail(serviceClient, nil).EachPage(func(page pagination.Page) (bool, error) {
images, err := images.ExtractImages(page)
if err != nil {
fmt.Println(err)
}
// Use the page of []images.Image
// https://github.com/rackspace/gophercloud/blob/master/openstack/compute/v2/images/results.go
for _, i := range images {
fmt.Println("Name: ", i.Name)
fmt.Println("ID: ", i.ID)
fmt.Println("Created: ", i.Created)
fmt.Println("Updated: ", i.Updated)
fmt.Println("MinDisk: ", i.MinDisk)
fmt.Println("MinRAM: ", i.MinRAM)
fmt.Println("Progress: ", i.Progress)
fmt.Println("Status: ", i.Status)
fmt.Println("\n")
}
return true, nil
})
if cmdErr != nil {
fmt.Println(cmdErr)
}
}
// print details of cloud servers instance to stdout
func Details(c *cli.Context) {
// assign vars from cli args
user := c.String("user")
key := c.String("key")
region := c.String("region")
// server create specific options
// check both options and arguments for server uuid
serverid := c.Args().First()
if c.String("uuid") != "" {
serverid = c.String("uuid")
}
// step 1, set up auth options
ao := gophercloud.AuthOptions{
Username: user,
APIKey: key,
}
// step 2, rax auth to get back provider instance
provider, err := rackspace.AuthenticatedClient(ao)
if err != nil {
fmt.Println(err)
}
// set rax region
serviceClient, err2 := rackspace.NewComputeV2(provider, gophercloud.EndpointOpts{
Region: region,
})
if err2 != nil {
fmt.Println(err2)
}
// get cloud server
s, id := servers.Get(serviceClient, serverid).Extract()
fmt.Println("Name: ", s.Name)
fmt.Println("UUID: ", s.ID)
fmt.Println("Created: ", s.Created)
fmt.Println("Updated: ", s.Updated)
fmt.Println("Progress: ", s.Progress)
fmt.Println("HostID: ", s.HostID)
fmt.Println("Image: ", s.Image["id"])
fmt.Println("Flavor ID: ", s.Flavor["id"])
fmt.Println("Status: ", s.Status)
fmt.Println("Access: ", s.AccessIPv4)
fmt.Println("Public: ", s.Addresses["public"])
fmt.Println("Addresses: ", s.Addresses)
if id != nil {
fmt.Println(id)
}
}
// print list of cloud servers flavors to stdout
func Get(c *cli.Context) {
// assign vars from cli args
user := c.String("user")
key := c.String("key")
region := c.String("region")
// step 1, set up auth options
ao := gophercloud.AuthOptions{
Username: user,
APIKey: key,
}
// step 2, rax auth to get back provider instance
provider, err := rackspace.AuthenticatedClient(ao)
if err != nil {
fmt.Println(err)
}
// set rax region
serviceClient, err := rackspace.NewComputeV2(provider, gophercloud.EndpointOpts{
Region: region,
})
if err != nil {
fmt.Println(err)
}
opts := flavors.ListOpts{}
cmdErr := flavors.ListDetail(serviceClient, opts).EachPage(func(page pagination.Page) (bool, error) {
flavors, err := flavors.ExtractFlavors(page)
if err != nil {
fmt.Println(err)
}
// Use the page of []flavors.Flavor
// https://github.com/rackspace/gophercloud/blob/master/openstack/compute/v2/flavors/results.go
for _, f := range flavors {
fmt.Println("ID: ", f.ID)
fmt.Println("Name: ", f.Name)
fmt.Println("Disk: ", f.Disk)
fmt.Println("RAM: ", f.RAM)
fmt.Println("VCPUs: ", f.VCPUs)
fmt.Println("\n")
}
return true, nil
})
if cmdErr != nil {
fmt.Println(cmdErr)
}
}
// Instances returns an implementation of Instances for Rackspace.
func (os *Rackspace) Instances() (cloudprovider.Instances, bool) {
glog.V(2).Info("rackspace.Instances() called")
compute, err := rackspace.NewComputeV2(os.provider, gophercloud.EndpointOpts{
Region: os.region,
})
if err != nil {
glog.Warningf("Failed to find compute endpoint: %v", err)
return nil, false
}
pager := flavors.ListDetail(compute, nil)
flavor_to_resource := make(map[string]*api.NodeResources)
err = pager.EachPage(func(page pagination.Page) (bool, error) {
flavorList, err := flavors.ExtractFlavors(page)
if err != nil {
return false, err
}
for _, flavor := range flavorList {
rsrc := api.NodeResources{
Capacity: api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(int64(flavor.VCPUs*1000), resource.DecimalSI),
api.ResourceMemory: resource.MustParse(fmt.Sprintf("%dMi", flavor.RAM)),
"openstack.org/disk": resource.MustParse(fmt.Sprintf("%dG", flavor.Disk)),
"openstack.org/rxTxFactor": *resource.NewQuantity(int64(flavor.RxTxFactor*1000), resource.DecimalSI),
"openstack.org/swap": resource.MustParse(fmt.Sprintf("%dMi", flavor.Swap)),
},
}
flavor_to_resource[flavor.ID] = &rsrc
}
return true, nil
})
if err != nil {
glog.Warningf("Failed to find compute flavors: %v", err)
return nil, false
}
glog.V(2).Infof("Found %v compute flavors", len(flavor_to_resource))
glog.V(1).Info("Claiming to support Instances")
return &Instances{compute, flavor_to_resource}, true
}
// create cloud servers instance and print out results to stdout (eg. password)
func Create(c *cli.Context) {
// assign vars from cli args
user := c.String("user")
key := c.String("key")
region := c.String("region")
// server create specific options
newservername := c.String("name")
imageid := c.String("image")
flavorid := c.String("flavor")
// step 1, set up auth options
ao := gophercloud.AuthOptions{
Username: user,
APIKey: key,
}
// step 2, rax auth to get back provider instance
provider, err := rackspace.AuthenticatedClient(ao)
if err != nil {
fmt.Println(err)
}
// set rax region
serviceClient, err2 := rackspace.NewComputeV2(provider, gophercloud.EndpointOpts{
Region: region,
})
if err2 != nil {
fmt.Println(err2)
}
// create the cloud server
server, err3 := servers.Create(serviceClient, servers.CreateOpts{
Name: newservername,
ImageRef: imageid,
FlavorRef: flavorid,
}).Extract()
fmt.Println(server)
if err3 != nil {
fmt.Println(err3)
}
}
func authFromScratch(ao gophercloud.AuthOptions, region, serviceType string) (*gophercloud.ServiceClient, error) {
pc, err := rackspace.AuthenticatedClient(ao)
if err != nil {
return nil, err
}
var sc *gophercloud.ServiceClient
switch serviceType {
case "compute":
sc, err = rackspace.NewComputeV2(pc, gophercloud.EndpointOpts{
Region: region,
})
break
case "object-store":
sc, err = rackspace.NewObjectStorageV1(pc, gophercloud.EndpointOpts{
Region: region,
})
break
case "blockstorage":
sc, err = rackspace.NewBlockStorageV1(pc, gophercloud.EndpointOpts{
Region: region,
})
break
case "network":
sc, err = rackspace.NewNetworkV2(pc, gophercloud.EndpointOpts{
Region: region,
})
break
}
if err != nil {
return nil, err
}
if sc == nil {
return nil, fmt.Errorf("Unable to create service client: Unknown service type: %s", serviceType)
}
sc.UserAgent.Prepend(util.UserAgent)
return sc, nil
}