package openstack import ( "bytes" "crypto/sha1" "encoding/hex" "fmt" "log" "time" "github.com/hashicorp/terraform/helper/hashcode" "github.com/hashicorp/terraform/helper/resource" "github.com/hashicorp/terraform/helper/schema" "github.com/rackspace/gophercloud" "github.com/rackspace/gophercloud/openstack/compute/v2/extensions/bootfromvolume" "github.com/rackspace/gophercloud/openstack/compute/v2/extensions/floatingip" "github.com/rackspace/gophercloud/openstack/compute/v2/extensions/keypairs" "github.com/rackspace/gophercloud/openstack/compute/v2/extensions/secgroups" "github.com/rackspace/gophercloud/openstack/compute/v2/extensions/tenantnetworks" "github.com/rackspace/gophercloud/openstack/compute/v2/extensions/volumeattach" "github.com/rackspace/gophercloud/openstack/compute/v2/flavors" "github.com/rackspace/gophercloud/openstack/compute/v2/images" "github.com/rackspace/gophercloud/openstack/compute/v2/servers" "github.com/rackspace/gophercloud/pagination" ) func resourceComputeInstanceV2() *schema.Resource { return &schema.Resource{ Create: resourceComputeInstanceV2Create, Read: resourceComputeInstanceV2Read, Update: resourceComputeInstanceV2Update, Delete: resourceComputeInstanceV2Delete, Schema: map[string]*schema.Schema{ "region": &schema.Schema{ Type: schema.TypeString, Required: true, ForceNew: true, DefaultFunc: envDefaultFuncAllowMissing("OS_REGION_NAME"), }, "name": &schema.Schema{ Type: schema.TypeString, Required: true, ForceNew: false, }, "image_id": &schema.Schema{ Type: schema.TypeString, Optional: true, ForceNew: true, Computed: true, DefaultFunc: envDefaultFunc("OS_IMAGE_ID"), }, "image_name": &schema.Schema{ Type: schema.TypeString, Optional: true, ForceNew: true, Computed: true, DefaultFunc: envDefaultFunc("OS_IMAGE_NAME"), }, "flavor_id": &schema.Schema{ Type: schema.TypeString, Optional: true, ForceNew: false, Computed: true, DefaultFunc: envDefaultFunc("OS_FLAVOR_ID"), }, "flavor_name": &schema.Schema{ Type: schema.TypeString, Optional: true, ForceNew: false, Computed: true, DefaultFunc: envDefaultFunc("OS_FLAVOR_NAME"), }, "floating_ip": &schema.Schema{ Type: schema.TypeString, Optional: true, ForceNew: false, }, "user_data": &schema.Schema{ Type: schema.TypeString, Optional: true, ForceNew: true, // just stash the hash for state & diff comparisons StateFunc: func(v interface{}) string { switch v.(type) { case string: hash := sha1.Sum([]byte(v.(string))) return hex.EncodeToString(hash[:]) default: return "" } }, }, "security_groups": &schema.Schema{ Type: schema.TypeList, Optional: true, ForceNew: false, Elem: &schema.Schema{Type: schema.TypeString}, }, "availability_zone": &schema.Schema{ Type: schema.TypeString, Optional: true, ForceNew: true, }, "network": &schema.Schema{ Type: schema.TypeList, Optional: true, ForceNew: true, Computed: true, Elem: &schema.Resource{ Schema: map[string]*schema.Schema{ "uuid": &schema.Schema{ Type: schema.TypeString, Optional: true, Computed: true, }, "name": &schema.Schema{ Type: schema.TypeString, Optional: true, Computed: true, }, "port": &schema.Schema{ Type: schema.TypeString, Optional: true, Computed: true, }, "fixed_ip_v4": &schema.Schema{ Type: schema.TypeString, Optional: true, Computed: true, }, "fixed_ip_v6": &schema.Schema{ Type: schema.TypeString, Optional: true, Computed: true, }, "mac": &schema.Schema{ Type: schema.TypeString, Computed: true, }, }, }, }, "metadata": &schema.Schema{ Type: schema.TypeMap, Optional: true, ForceNew: false, }, "config_drive": &schema.Schema{ Type: schema.TypeBool, Optional: true, ForceNew: true, }, "admin_pass": &schema.Schema{ Type: schema.TypeString, Optional: true, ForceNew: false, }, "access_ip_v4": &schema.Schema{ Type: schema.TypeString, Computed: true, Optional: true, ForceNew: false, }, "access_ip_v6": &schema.Schema{ Type: schema.TypeString, Computed: true, Optional: true, ForceNew: false, }, "key_pair": &schema.Schema{ Type: schema.TypeString, Optional: true, ForceNew: true, }, "block_device": &schema.Schema{ Type: schema.TypeList, Optional: true, ForceNew: true, Elem: &schema.Resource{ Schema: map[string]*schema.Schema{ "uuid": &schema.Schema{ Type: schema.TypeString, Required: true, }, "source_type": &schema.Schema{ Type: schema.TypeString, Required: true, }, "volume_size": &schema.Schema{ Type: schema.TypeInt, Optional: true, }, "destination_type": &schema.Schema{ Type: schema.TypeString, Optional: true, }, "boot_index": &schema.Schema{ Type: schema.TypeInt, Optional: true, }, }, }, }, "volume": &schema.Schema{ Type: schema.TypeSet, Optional: true, Elem: &schema.Resource{ Schema: map[string]*schema.Schema{ "id": &schema.Schema{ Type: schema.TypeString, Optional: true, Computed: true, }, "volume_id": &schema.Schema{ Type: schema.TypeString, Required: true, }, "device": &schema.Schema{ Type: schema.TypeString, Optional: true, Computed: true, }, }, }, Set: resourceComputeVolumeAttachmentHash, }, }, } } func resourceComputeInstanceV2Create(d *schema.ResourceData, meta interface{}) error { config := meta.(*Config) computeClient, err := config.computeV2Client(d.Get("region").(string)) if err != nil { return fmt.Errorf("Error creating OpenStack compute client: %s", err) } var createOpts servers.CreateOptsBuilder imageId, err := getImageID(computeClient, d) if err != nil { return err } flavorId, err := getFlavorID(computeClient, d) if err != nil { return err } networkDetails, err := resourceInstanceNetworks(computeClient, d) if err != nil { return err } networks := make([]servers.Network, len(networkDetails)) for i, net := range networkDetails { networks[i] = servers.Network{ UUID: net["uuid"].(string), Port: net["port"].(string), FixedIP: net["fixed_ip_v4"].(string), } } createOpts = &servers.CreateOpts{ Name: d.Get("name").(string), ImageRef: imageId, FlavorRef: flavorId, SecurityGroups: resourceInstanceSecGroupsV2(d), AvailabilityZone: d.Get("availability_zone").(string), Networks: networks, Metadata: resourceInstanceMetadataV2(d), ConfigDrive: d.Get("config_drive").(bool), AdminPass: d.Get("admin_pass").(string), UserData: []byte(d.Get("user_data").(string)), } if keyName, ok := d.Get("key_pair").(string); ok && keyName != "" { createOpts = &keypairs.CreateOptsExt{ createOpts, keyName, } } if blockDeviceRaw, ok := d.Get("block_device").(map[string]interface{}); ok && blockDeviceRaw != nil { blockDevice := resourceInstanceBlockDeviceV2(d, blockDeviceRaw) createOpts = &bootfromvolume.CreateOptsExt{ createOpts, blockDevice, } } log.Printf("[DEBUG] Create Options: %#v", createOpts) server, err := servers.Create(computeClient, createOpts).Extract() if err != nil { return fmt.Errorf("Error creating OpenStack server: %s", err) } log.Printf("[INFO] Instance ID: %s", server.ID) // Store the ID now d.SetId(server.ID) // Wait for the instance to become running so we can get some attributes // that aren't available until later. log.Printf( "[DEBUG] Waiting for instance (%s) to become running", server.ID) stateConf := &resource.StateChangeConf{ Pending: []string{"BUILD"}, Target: "ACTIVE", Refresh: ServerV2StateRefreshFunc(computeClient, server.ID), Timeout: 10 * time.Minute, Delay: 10 * time.Second, MinTimeout: 3 * time.Second, } _, err = stateConf.WaitForState() if err != nil { return fmt.Errorf( "Error waiting for instance (%s) to become ready: %s", server.ID, err) } floatingIP := d.Get("floating_ip").(string) if floatingIP != "" { if err := floatingip.Associate(computeClient, server.ID, floatingIP).ExtractErr(); err != nil { return fmt.Errorf("Error associating floating IP: %s", err) } } // were volume attachments specified? if v := d.Get("volume"); v != nil { vols := v.(*schema.Set).List() if len(vols) > 0 { if blockClient, err := config.blockStorageV1Client(d.Get("region").(string)); err != nil { return fmt.Errorf("Error creating OpenStack block storage client: %s", err) } else { if err := attachVolumesToInstance(computeClient, blockClient, d.Id(), vols); err != nil { return err } } } } return resourceComputeInstanceV2Read(d, meta) } func resourceComputeInstanceV2Read(d *schema.ResourceData, meta interface{}) error { config := meta.(*Config) computeClient, err := config.computeV2Client(d.Get("region").(string)) if err != nil { return fmt.Errorf("Error creating OpenStack compute client: %s", err) } server, err := servers.Get(computeClient, d.Id()).Extract() if err != nil { return CheckDeleted(d, err, "server") } log.Printf("[DEBUG] Retreived Server %s: %+v", d.Id(), server) d.Set("name", server.Name) // begin reading the network configuration d.Set("access_ip_v4", server.AccessIPv4) d.Set("access_ip_v6", server.AccessIPv6) hostv4 := server.AccessIPv4 hostv6 := server.AccessIPv6 networkDetails, err := resourceInstanceNetworks(computeClient, d) addresses := resourceInstanceAddresses(server.Addresses) if err != nil { return err } // if there are no networkDetails, make networks at least a length of 1 networkLength := 1 if len(networkDetails) > 0 { networkLength = len(networkDetails) } networks := make([]map[string]interface{}, networkLength) // Loop through all networks and addresses, // merge relevant address details. if len(networkDetails) == 0 { for netName, n := range addresses { if floatingIP, ok := n["floating_ip"]; ok { hostv4 = floatingIP.(string) } else { if hostv4 == "" && n["fixed_ip_v4"] != nil { hostv4 = n["fixed_ip_v4"].(string) } } if hostv6 == "" && n["fixed_ip_v6"] != nil { hostv6 = n["fixed_ip_v6"].(string) } networks[0] = map[string]interface{}{ "name": netName, "fixed_ip_v4": n["fixed_ip_v4"], "fixed_ip_v6": n["fixed_ip_v6"], "mac": n["mac"], } } } else { for i, net := range networkDetails { n := addresses[net["name"].(string)] if floatingIP, ok := n["floating_ip"]; ok { hostv4 = floatingIP.(string) } else { if hostv4 == "" && n["fixed_ip_v4"] != nil { hostv4 = n["fixed_ip_v4"].(string) } } if hostv6 == "" && n["fixed_ip_v6"] != nil { hostv6 = n["fixed_ip_v6"].(string) } networks[i] = map[string]interface{}{ "uuid": networkDetails[i]["uuid"], "name": networkDetails[i]["name"], "port": networkDetails[i]["port"], "fixed_ip_v4": n["fixed_ip_v4"], "fixed_ip_v6": n["fixed_ip_v6"], "mac": n["mac"], } } } log.Printf("[DEBUG] new networks: %+v", networks) d.Set("network", networks) d.Set("access_ip_v4", hostv4) d.Set("access_ip_v6", hostv6) log.Printf("hostv4: %s", hostv4) log.Printf("hostv6: %s", hostv6) // prefer the v6 address if no v4 address exists. preferredv := "" if hostv4 != "" { preferredv = hostv4 } else if hostv6 != "" { preferredv = hostv6 } if preferredv != "" { // Initialize the connection info d.SetConnInfo(map[string]string{ "type": "ssh", "host": preferredv, }) } // end network configuration d.Set("metadata", server.Metadata) secGrpNames := []string{} for _, sg := range server.SecurityGroups { secGrpNames = append(secGrpNames, sg["name"].(string)) } d.Set("security_groups", secGrpNames) flavorId, ok := server.Flavor["id"].(string) if !ok { return fmt.Errorf("Error setting OpenStack server's flavor: %v", server.Flavor) } d.Set("flavor_id", flavorId) flavor, err := flavors.Get(computeClient, flavorId).Extract() if err != nil { return err } d.Set("flavor_name", flavor.Name) imageId, ok := server.Image["id"].(string) if !ok { return fmt.Errorf("Error setting OpenStack server's image: %v", server.Image) } d.Set("image_id", imageId) image, err := images.Get(computeClient, imageId).Extract() if err != nil { return err } d.Set("image_name", image.Name) // volume attachments vas, err := getVolumeAttachments(computeClient, d.Id()) if err != nil { return err } if len(vas) > 0 { attachments := make([]map[string]interface{}, len(vas)) for i, attachment := range vas { attachments[i] = make(map[string]interface{}) attachments[i]["id"] = attachment.ID attachments[i]["volume_id"] = attachment.VolumeID attachments[i]["device"] = attachment.Device } log.Printf("[INFO] Volume attachments: %v", attachments) d.Set("volume", attachments) } return nil } func resourceComputeInstanceV2Update(d *schema.ResourceData, meta interface{}) error { config := meta.(*Config) computeClient, err := config.computeV2Client(d.Get("region").(string)) if err != nil { return fmt.Errorf("Error creating OpenStack compute client: %s", err) } var updateOpts servers.UpdateOpts if d.HasChange("name") { updateOpts.Name = d.Get("name").(string) } if d.HasChange("access_ip_v4") { updateOpts.AccessIPv4 = d.Get("access_ip_v4").(string) } if d.HasChange("access_ip_v6") { updateOpts.AccessIPv4 = d.Get("access_ip_v6").(string) } if updateOpts != (servers.UpdateOpts{}) { _, err := servers.Update(computeClient, d.Id(), updateOpts).Extract() if err != nil { return fmt.Errorf("Error updating OpenStack server: %s", err) } } if d.HasChange("metadata") { var metadataOpts servers.MetadataOpts metadataOpts = make(servers.MetadataOpts) newMetadata := d.Get("metadata").(map[string]interface{}) for k, v := range newMetadata { metadataOpts[k] = v.(string) } _, err := servers.UpdateMetadata(computeClient, d.Id(), metadataOpts).Extract() if err != nil { return fmt.Errorf("Error updating OpenStack server (%s) metadata: %s", d.Id(), err) } } if d.HasChange("security_groups") { oldSGRaw, newSGRaw := d.GetChange("security_groups") oldSGSlice, newSGSlice := oldSGRaw.([]interface{}), newSGRaw.([]interface{}) oldSGSet := schema.NewSet(func(v interface{}) int { return hashcode.String(v.(string)) }, oldSGSlice) newSGSet := schema.NewSet(func(v interface{}) int { return hashcode.String(v.(string)) }, newSGSlice) secgroupsToAdd := newSGSet.Difference(oldSGSet) secgroupsToRemove := oldSGSet.Difference(newSGSet) log.Printf("[DEBUG] Security groups to add: %v", secgroupsToAdd) log.Printf("[DEBUG] Security groups to remove: %v", secgroupsToRemove) for _, g := range secgroupsToAdd.List() { err := secgroups.AddServerToGroup(computeClient, d.Id(), g.(string)).ExtractErr() if err != nil { return fmt.Errorf("Error adding security group to OpenStack server (%s): %s", d.Id(), err) } log.Printf("[DEBUG] Added security group (%s) to instance (%s)", g.(string), d.Id()) } for _, g := range secgroupsToRemove.List() { err := secgroups.RemoveServerFromGroup(computeClient, d.Id(), g.(string)).ExtractErr() if err != nil { errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError) if !ok { return fmt.Errorf("Error removing security group from OpenStack server (%s): %s", d.Id(), err) } if errCode.Actual == 404 { continue } else { return fmt.Errorf("Error removing security group from OpenStack server (%s): %s", d.Id(), err) } } else { log.Printf("[DEBUG] Removed security group (%s) from instance (%s)", g.(string), d.Id()) } } } if d.HasChange("admin_pass") { if newPwd, ok := d.Get("admin_pass").(string); ok { err := servers.ChangeAdminPassword(computeClient, d.Id(), newPwd).ExtractErr() if err != nil { return fmt.Errorf("Error changing admin password of OpenStack server (%s): %s", d.Id(), err) } } } if d.HasChange("floating_ip") { oldFIP, newFIP := d.GetChange("floating_ip") log.Printf("[DEBUG] Old Floating IP: %v", oldFIP) log.Printf("[DEBUG] New Floating IP: %v", newFIP) if oldFIP.(string) != "" { log.Printf("[DEBUG] Attemping to disassociate %s from %s", oldFIP, d.Id()) if err := floatingip.Disassociate(computeClient, d.Id(), oldFIP.(string)).ExtractErr(); err != nil { return fmt.Errorf("Error disassociating Floating IP during update: %s", err) } } if newFIP.(string) != "" { log.Printf("[DEBUG] Attemping to associate %s to %s", newFIP, d.Id()) if err := floatingip.Associate(computeClient, d.Id(), newFIP.(string)).ExtractErr(); err != nil { return fmt.Errorf("Error associating Floating IP during update: %s", err) } } } if d.HasChange("volume") { // old attachments and new attachments oldAttachments, newAttachments := d.GetChange("volume") // for each old attachment, detach the volume oldAttachmentSet := oldAttachments.(*schema.Set).List() if len(oldAttachmentSet) > 0 { if blockClient, err := config.blockStorageV1Client(d.Get("region").(string)); err != nil { return err } else { if err := detachVolumesFromInstance(computeClient, blockClient, d.Id(), oldAttachmentSet); err != nil { return err } } } // for each new attachment, attach the volume newAttachmentSet := newAttachments.(*schema.Set).List() if len(newAttachmentSet) > 0 { if blockClient, err := config.blockStorageV1Client(d.Get("region").(string)); err != nil { return err } else { if err := attachVolumesToInstance(computeClient, blockClient, d.Id(), newAttachmentSet); err != nil { return err } } } d.SetPartial("volume") } if d.HasChange("flavor_id") || d.HasChange("flavor_name") { flavorId, err := getFlavorID(computeClient, d) if err != nil { return err } resizeOpts := &servers.ResizeOpts{ FlavorRef: flavorId, } log.Printf("[DEBUG] Resize configuration: %#v", resizeOpts) err = servers.Resize(computeClient, d.Id(), resizeOpts).ExtractErr() if err != nil { return fmt.Errorf("Error resizing OpenStack server: %s", err) } // Wait for the instance to finish resizing. log.Printf("[DEBUG] Waiting for instance (%s) to finish resizing", d.Id()) stateConf := &resource.StateChangeConf{ Pending: []string{"RESIZE"}, Target: "VERIFY_RESIZE", Refresh: ServerV2StateRefreshFunc(computeClient, d.Id()), Timeout: 3 * time.Minute, Delay: 10 * time.Second, MinTimeout: 3 * time.Second, } _, err = stateConf.WaitForState() if err != nil { return fmt.Errorf("Error waiting for instance (%s) to resize: %s", d.Id(), err) } // Confirm resize. log.Printf("[DEBUG] Confirming resize") err = servers.ConfirmResize(computeClient, d.Id()).ExtractErr() if err != nil { return fmt.Errorf("Error confirming resize of OpenStack server: %s", err) } stateConf = &resource.StateChangeConf{ Pending: []string{"VERIFY_RESIZE"}, Target: "ACTIVE", Refresh: ServerV2StateRefreshFunc(computeClient, d.Id()), Timeout: 3 * time.Minute, Delay: 10 * time.Second, MinTimeout: 3 * time.Second, } _, err = stateConf.WaitForState() if err != nil { return fmt.Errorf("Error waiting for instance (%s) to confirm resize: %s", d.Id(), err) } } return resourceComputeInstanceV2Read(d, meta) } func resourceComputeInstanceV2Delete(d *schema.ResourceData, meta interface{}) error { config := meta.(*Config) computeClient, err := config.computeV2Client(d.Get("region").(string)) if err != nil { return fmt.Errorf("Error creating OpenStack compute client: %s", err) } err = servers.Delete(computeClient, d.Id()).ExtractErr() if err != nil { return fmt.Errorf("Error deleting OpenStack server: %s", err) } // Wait for the instance to delete before moving on. log.Printf("[DEBUG] Waiting for instance (%s) to delete", d.Id()) stateConf := &resource.StateChangeConf{ Pending: []string{"ACTIVE"}, Target: "DELETED", Refresh: ServerV2StateRefreshFunc(computeClient, d.Id()), Timeout: 10 * time.Minute, Delay: 10 * time.Second, MinTimeout: 3 * time.Second, } _, err = stateConf.WaitForState() if err != nil { return fmt.Errorf( "Error waiting for instance (%s) to delete: %s", d.Id(), err) } d.SetId("") return nil } // ServerV2StateRefreshFunc returns a resource.StateRefreshFunc that is used to watch // an OpenStack instance. func ServerV2StateRefreshFunc(client *gophercloud.ServiceClient, instanceID string) resource.StateRefreshFunc { return func() (interface{}, string, error) { s, err := servers.Get(client, instanceID).Extract() if err != nil { errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError) if !ok { return nil, "", err } if errCode.Actual == 404 { return s, "DELETED", nil } return nil, "", err } return s, s.Status, nil } } func resourceInstanceSecGroupsV2(d *schema.ResourceData) []string { rawSecGroups := d.Get("security_groups").([]interface{}) secgroups := make([]string, len(rawSecGroups)) for i, raw := range rawSecGroups { secgroups[i] = raw.(string) } return secgroups } func resourceInstanceNetworks(computeClient *gophercloud.ServiceClient, d *schema.ResourceData) ([]map[string]interface{}, error) { rawNetworks := d.Get("network").([]interface{}) newNetworks := make([]map[string]interface{}, len(rawNetworks)) var tenantnet tenantnetworks.Network tenantNetworkExt := true for i, raw := range rawNetworks { rawMap := raw.(map[string]interface{}) allPages, err := tenantnetworks.List(computeClient).AllPages() if err != nil { errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError) if !ok { return nil, err } if errCode.Actual == 404 { tenantNetworkExt = false } else { return nil, err } } networkID := "" networkName := "" if tenantNetworkExt { networkList, err := tenantnetworks.ExtractNetworks(allPages) if err != nil { return nil, err } for _, network := range networkList { if network.Name == rawMap["name"] { tenantnet = network } if network.ID == rawMap["uuid"] { tenantnet = network } } networkID = tenantnet.ID networkName = tenantnet.Name } else { networkID = rawMap["uuid"].(string) networkName = rawMap["name"].(string) } newNetworks[i] = map[string]interface{}{ "uuid": networkID, "name": networkName, "port": rawMap["port"].(string), "fixed_ip_v4": rawMap["fixed_ip_v4"].(string), } } log.Printf("[DEBUG] networks: %+v", newNetworks) return newNetworks, nil } func resourceInstanceAddresses(addresses map[string]interface{}) map[string]map[string]interface{} { addrs := make(map[string]map[string]interface{}) for n, networkAddresses := range addresses { addrs[n] = make(map[string]interface{}) for _, element := range networkAddresses.([]interface{}) { address := element.(map[string]interface{}) if address["OS-EXT-IPS:type"] == "floating" { addrs[n]["floating_ip"] = address["addr"] } else { if address["version"].(float64) == 4 { addrs[n]["fixed_ip_v4"] = address["addr"].(string) } else { addrs[n]["fixed_ip_v6"] = fmt.Sprintf("[%s]", address["addr"].(string)) } } if mac, ok := address["OS-EXT-IPS-MAC:mac_addr"]; ok { addrs[n]["mac"] = mac.(string) } } } log.Printf("[DEBUG] Addresses: %+v", addresses) return addrs } func resourceInstanceMetadataV2(d *schema.ResourceData) map[string]string { m := make(map[string]string) for key, val := range d.Get("metadata").(map[string]interface{}) { m[key] = val.(string) } return m } func resourceInstanceBlockDeviceV2(d *schema.ResourceData, bd map[string]interface{}) []bootfromvolume.BlockDevice { sourceType := bootfromvolume.SourceType(bd["source_type"].(string)) bfvOpts := []bootfromvolume.BlockDevice{ bootfromvolume.BlockDevice{ UUID: bd["uuid"].(string), SourceType: sourceType, VolumeSize: bd["volume_size"].(int), DestinationType: bd["destination_type"].(string), BootIndex: bd["boot_index"].(int), }, } return bfvOpts } func getImageID(client *gophercloud.ServiceClient, d *schema.ResourceData) (string, error) { imageId := d.Get("image_id").(string) if imageId != "" { return imageId, nil } imageCount := 0 imageName := d.Get("image_name").(string) if imageName != "" { pager := images.ListDetail(client, &images.ListOpts{ Name: imageName, }) pager.EachPage(func(page pagination.Page) (bool, error) { imageList, err := images.ExtractImages(page) if err != nil { return false, err } for _, i := range imageList { if i.Name == imageName { imageCount++ imageId = i.ID } } return true, nil }) switch imageCount { case 0: return "", fmt.Errorf("Unable to find image: %s", imageName) case 1: return imageId, nil default: return "", fmt.Errorf("Found %d images matching %s", imageCount, imageName) } } return "", fmt.Errorf("Neither an image ID nor an image name were able to be determined.") } 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 resourceComputeVolumeAttachmentHash(v interface{}) int { var buf bytes.Buffer m := v.(map[string]interface{}) buf.WriteString(fmt.Sprintf("%s-", m["volume_id"].(string))) buf.WriteString(fmt.Sprintf("%s-", m["device"].(string))) return hashcode.String(buf.String()) } func attachVolumesToInstance(computeClient *gophercloud.ServiceClient, blockClient *gophercloud.ServiceClient, serverId string, vols []interface{}) error { if len(vols) > 0 { for _, v := range vols { va := v.(map[string]interface{}) volumeId := va["volume_id"].(string) device := va["device"].(string) s := "" if serverId != "" { s = serverId } else if va["server_id"] != "" { s = va["server_id"].(string) } else { return fmt.Errorf("Unable to determine server ID to attach volume.") } vaOpts := &volumeattach.CreateOpts{ Device: device, VolumeID: volumeId, } if _, err := volumeattach.Create(computeClient, s, vaOpts).Extract(); err != nil { return err } stateConf := &resource.StateChangeConf{ Pending: []string{"attaching", "available"}, Target: "in-use", Refresh: VolumeV1StateRefreshFunc(blockClient, va["volume_id"].(string)), Timeout: 30 * time.Minute, Delay: 5 * time.Second, MinTimeout: 2 * time.Second, } if _, err := stateConf.WaitForState(); err != nil { return err } log.Printf("[INFO] Attached volume %s to instance %s", volumeId, serverId) } } return nil } func detachVolumesFromInstance(computeClient *gophercloud.ServiceClient, blockClient *gophercloud.ServiceClient, serverId string, vols []interface{}) error { if len(vols) > 0 { for _, v := range vols { va := v.(map[string]interface{}) aId := va["id"].(string) if err := volumeattach.Delete(computeClient, serverId, aId).ExtractErr(); err != nil { return err } stateConf := &resource.StateChangeConf{ Pending: []string{"detaching", "in-use"}, Target: "available", Refresh: VolumeV1StateRefreshFunc(blockClient, va["volume_id"].(string)), Timeout: 30 * time.Minute, Delay: 5 * time.Second, MinTimeout: 2 * time.Second, } if _, err := stateConf.WaitForState(); err != nil { return err } log.Printf("[INFO] Detached volume %s from instance %s", va["volume_id"], serverId) } } return nil } func getVolumeAttachments(computeClient *gophercloud.ServiceClient, serverId string) ([]volumeattach.VolumeAttachment, error) { var attachments []volumeattach.VolumeAttachment err := volumeattach.List(computeClient, serverId).EachPage(func(page pagination.Page) (bool, error) { actual, err := volumeattach.ExtractVolumeAttachments(page) if err != nil { return false, err } attachments = actual return true, nil }) if err != nil { return nil, err } return attachments, nil }