func TestListFlavors(t *testing.T) { client, err := newClient() if err != nil { t.Fatalf("Unable to create a compute client: %v", err) } t.Logf("ID\tRegion\tName\tStatus\tCreated") pager := flavors.ListDetail(client, nil) count, pages := 0, 0 pager.EachPage(func(page pagination.Page) (bool, error) { t.Logf("---") pages++ flavors, err := flavors.ExtractFlavors(page) if err != nil { return false, err } for _, f := range flavors { t.Logf("%s\t%s\t%d\t%d\t%d", f.ID, f.Name, f.RAM, f.Disk, f.VCPUs) } return true, nil }) t.Logf("--------\n%d flavors listed on %d pages.", count, pages) }
// Instances returns an implementation of Instances for OpenStack. func (os *OpenStack) Instances() (cloudprovider.Instances, bool) { glog.V(4).Info("openstack.Instances() called") if err := openstack.Authenticate(os.provider, os.authOpts); err != nil { glog.Warningf("Failed to reauthenticate: %v", err) return nil, false } compute, err := openstack.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.NewQuantity(int64(flavor.VCPUs), resource.DecimalSI), api.ResourceMemory: *resource.NewQuantity(int64(flavor.RAM)*MiB, resource.BinarySI), "openstack.org/disk": *resource.NewQuantity(int64(flavor.Disk)*GB, resource.DecimalSI), "openstack.org/rxTxFactor": *resource.NewMilliQuantity(int64(flavor.RxTxFactor)*1000, resource.DecimalSI), "openstack.org/swap": *resource.NewQuantity(int64(flavor.Swap)*MiB, resource.BinarySI), }, } 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(3).Infof("Found %v compute flavors", len(flavor_to_resource)) glog.V(1).Info("Claiming to support Instances") return &Instances{compute, flavor_to_resource}, true }
func (c *GenericClient) GetFlavorId(d *Driver) (string, error) { pager := flavors.ListDetail(c.Compute, nil) flavorId := "" err := pager.EachPage(func(page pagination.Page) (bool, error) { flavorList, err := flavors.ExtractFlavors(page) if err != nil { return false, err } for _, f := range flavorList { if f.Name == d.FlavorName { flavorId = f.ID return false, nil } } return true, nil }) return flavorId, err }
func getFlavorID(client *gophercloud.ServiceClient, d *schema.ResourceData) (string, error) { flavorId := d.Get("flavor_id").(string) if flavorId != "" { return flavorId, nil } flavorCount := 0 flavorName := d.Get("flavor_name").(string) if flavorName != "" { pager := flavors.ListDetail(client, nil) pager.EachPage(func(page pagination.Page) (bool, error) { flavorList, err := flavors.ExtractFlavors(page) if err != nil { return false, err } for _, f := range flavorList { if f.Name == flavorName { flavorCount++ flavorId = f.ID } } return true, nil }) switch flavorCount { case 0: return "", fmt.Errorf("Unable to find flavor: %s", flavorName) case 1: return flavorId, nil default: return "", fmt.Errorf("Found %d flavors matching %s", flavorCount, flavorName) } } return "", fmt.Errorf("Neither a flavor ID nor a flavor name were able to be determined.") }
func main() { // step-1 var authUsername string = "your_auth_username" var authPassword string = "your_auth_password" var authUrl string = "http://controller:5000" var projectName string = "your_project_id" var regionName string = "your_region_name" authOpts := gophercloud.AuthOptions{ IdentityEndpoint: authUrl, Username: authUsername, Password: authPassword, TenantID: projectName, } provider, _ := openstack.AuthenticatedClient(authOpts) client, _ := openstack.NewComputeV2(provider, gophercloud.EndpointOpts{ Region: regionName, }) // step-2 pager := images.ListDetail(client, images.ListOpts{}) page, _ := pager.AllPages() imageList, _ := images.ExtractImages(page) fmt.Println(imageList) // step-3 pager = flavors.ListDetail(client, flavors.ListOpts{}) page, _ = pager.AllPages() flavorList, _ := flavors.ExtractFlavors(page) fmt.Println(flavorList) // step-4 imageID := "74e6d1ec-9a08-444c-8518-4f232446386d" image, _ := images.Get(client, imageID).Extract() fmt.Println(image) // step-5 flavorID := "1" flavor, _ := flavors.Get(client, flavorID).Extract() fmt.Println(flavor) // step-6 instanceName := "testing" testingInstance, _ := servers.Create(client, servers.CreateOpts{ Name: instanceName, ImageRef: imageID, FlavorRef: flavorID, }).Extract() fmt.Println(testingInstance) // step-7 pager = servers.List(client, servers.ListOpts{}) page, _ = pager.AllPages() serverList, _ := servers.ExtractServers(page) fmt.Println(serverList) // step-8 servers.Delete(client, testingInstance.ID) // step-9 fmt.Println("Checking for existing SSH key pair...") keyPairName := "demokey" pubKeyFile := "~/.ssh/id_rsa.pub" keyPairExists := false pager = keypairs.List(client) page, _ = pager.AllPages() keypairList, _ := keypairs.ExtractKeyPairs(page) for _, k := range keypairList { if k.Name == keyPairName { keyPairExists = true break } } if keyPairExists { fmt.Println("Keypair " + keyPairName + " already exists. Skipping import.") } else { fmt.Println("adding keypair...") bs, _ := ioutil.ReadFile(pubKeyFile) keypairs.Create(client, keypairs.CreateOpts{ Name: keyPairName, PublicKey: string(bs), }).Extract() } pager = keypairs.List(client) page, _ = pager.AllPages() keypairList, _ = keypairs.ExtractKeyPairs(page) fmt.Println(keypairList) // step-10 fmt.Println("Checking for existing security group...") var allInOneSecurityGroup secgroups.SecurityGroup securityGroupName := "all-in-one" securityGroupExists := false pager = secgroups.List(client) page, _ = pager.AllPages() secgroupList, _ := secgroups.ExtractSecurityGroups(page) for _, secGroup := range secgroupList { if secGroup.Name == securityGroupName { allInOneSecurityGroup = secGroup securityGroupExists = true break } } if securityGroupExists { fmt.Println("Security Group " + allInOneSecurityGroup.Name + " already exists. Skipping creation.") } else { allInOneSecurityGroup, _ := secgroups.Create(client, secgroups.CreateOpts{ Name: securityGroupName, Description: "network access for all-in-one application.", }).Extract() secgroups.CreateRule(client, secgroups.CreateRuleOpts{ ParentGroupID: allInOneSecurityGroup.ID, FromPort: 80, ToPort: 80, IPProtocol: "TCP", CIDR: "0.0.0.0/0", }).Extract() secgroups.CreateRule(client, secgroups.CreateRuleOpts{ ParentGroupID: allInOneSecurityGroup.ID, FromPort: 22, ToPort: 22, IPProtocol: "TCP", CIDR: "0.0.0.0/0", }).Extract() } pager = secgroups.List(client) page, _ = pager.AllPages() secgroupList, _ = secgroups.ExtractSecurityGroups(page) fmt.Println(secgroupList) // step-11 userData := `#!/usr/bin/env bash curl -L -s https://git.openstack.org/cgit/openstack/faafo/plain/contrib/install.sh | bash -s -- \ -i faafo -i messaging -r api -r worker -r demo ` // step-12 fmt.Println("Checking for existing instance...") instanceName = "all-in-one" instanceExists := false pager = servers.List(client, servers.ListOpts{}) page, _ = pager.AllPages() serverList, _ = servers.ExtractServers(page) for _, s := range serverList { if s.Name == instanceName { testingInstance = &s instanceExists = true break } } if instanceExists { fmt.Println("Instance " + testingInstance.Name + " already exists. Skipping creation.") } else { opts := servers.CreateOpts{ Name: instanceName, ImageRef: image.ID, FlavorRef: flavor.ID, SecurityGroups: []string{securityGroupName}, UserData: []byte(userData), } testingInstance, _ = servers.Create(client, keypairs.CreateOptsExt{ CreateOptsBuilder: opts, KeyName: keyPairName, }).Extract() } servers.WaitForStatus(client, testingInstance.ID, "ACTIVE", 300) pager = servers.List(client, servers.ListOpts{}) page, _ = pager.AllPages() serverList, _ = servers.ExtractServers(page) fmt.Println(serverList) // step-13 var privateIP string for t, addrs := range testingInstance.Addresses { if t != "private" || len(privateIP) != 0 { continue } addrs, ok := addrs.([]interface{}) if !ok { continue } for _, addr := range addrs { a, ok := addr.(map[string]interface{}) if !ok || a["version"].(float64) != 4 { continue } ip, ok := a["addr"].(string) if ok && len(ip) != 0 { privateIP = ip fmt.Println("Private IP found: " + privateIP) break } } } // step-14 var publicIP string for t, addrs := range testingInstance.Addresses { if t != "public" || len(publicIP) != 0 { continue } addrs, ok := addrs.([]interface{}) if !ok { continue } for _, addr := range addrs { a, ok := addr.(map[string]interface{}) if !ok || a["version"].(float64) != 4 { continue } ip, ok := a["addr"].(string) if ok && len(ip) != 0 { publicIP = ip fmt.Println("Public IP found: " + publicIP) break } } } // step-15 fmt.Println("Checking for unused Floating IP...") var unusedFloatingIP string pager = floatingip.List(client) page, _ = pager.AllPages() floatingIPList, _ := floatingip.ExtractFloatingIPs(page) for _, ip := range floatingIPList { if ip.InstanceID == "" { unusedFloatingIP = ip.IP break } } networkClient, _ := openstack.NewNetworkV2(provider, gophercloud.EndpointOpts{ Region: regionName, }) pager = networks.List(networkClient, networks.ListOpts{}) page, _ = pager.AllPages() poolList, _ := external.ExtractList(page) for _, pool := range poolList { if len(unusedFloatingIP) != 0 || !pool.External { continue } fmt.Println("Allocating new Floating IP from pool: " + pool.Name) f, _ := floatingip.Create(client, floatingip.CreateOpts{Pool: pool.Name}).Extract() unusedFloatingIP = f.IP } // step-16 if len(publicIP) != 0 { fmt.Println("Instance " + testingInstance.Name + " already has a public ip. Skipping attachment.") } else { floatingip.Associate(client, testingInstance.ID, unusedFloatingIP) } // step-17 var actualIPAddress string if len(publicIP) != 0 { actualIPAddress = publicIP } else if len(unusedFloatingIP) != 0 { actualIPAddress = unusedFloatingIP } else { actualIPAddress = privateIP } fmt.Println("The Fractals app will be deployed to http://" + actualIPAddress) }
// ExtractFlavors interprets a page of List results as Flavors. func ExtractFlavors(page pagination.Page) ([]os.Flavor, error) { return os.ExtractFlavors(page) }