453 lines
13 KiB
Go
453 lines
13 KiB
Go
package openstack
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import (
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"fmt"
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"log"
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"time"
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"github.com/hashicorp/terraform/helper/hashcode"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/rackspace/gophercloud"
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"github.com/rackspace/gophercloud/openstack/compute/v2/extensions/keypairs"
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"github.com/rackspace/gophercloud/openstack/compute/v2/extensions/secgroups"
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"github.com/rackspace/gophercloud/openstack/compute/v2/servers"
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"github.com/rackspace/gophercloud/pagination"
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)
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func resourceComputeInstanceV2() *schema.Resource {
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return &schema.Resource{
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Create: resourceComputeInstanceV2Create,
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Read: resourceComputeInstanceV2Read,
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Update: resourceComputeInstanceV2Update,
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Delete: resourceComputeInstanceV2Delete,
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Schema: map[string]*schema.Schema{
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"region": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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DefaultFunc: envDefaultFunc("OS_REGION_NAME"),
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},
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"name": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: false,
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},
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"image_ref": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: false,
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DefaultFunc: envDefaultFunc("OS_IMAGE_ID"),
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},
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"flavor_ref": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: false,
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DefaultFunc: envDefaultFunc("OS_FLAVOR_ID"),
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},
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"security_groups": &schema.Schema{
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Type: schema.TypeSet,
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Optional: true,
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ForceNew: false,
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Elem: &schema.Schema{Type: schema.TypeString},
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Set: func(v interface{}) int {
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return hashcode.String(v.(string))
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},
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},
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"availability_zone": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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},
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"network": &schema.Schema{
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Type: schema.TypeList,
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Optional: true,
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ForceNew: true,
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Elem: &schema.Resource{
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Schema: map[string]*schema.Schema{
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"uuid": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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"port": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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"fixed_ip": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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},
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},
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},
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"metadata": &schema.Schema{
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Type: schema.TypeMap,
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Optional: true,
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ForceNew: false,
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},
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"config_drive": &schema.Schema{
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Type: schema.TypeBool,
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Optional: true,
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ForceNew: true,
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},
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"admin_pass": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: false,
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},
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"access_ip_v4": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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Optional: true,
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ForceNew: false,
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},
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"access_ip_v6": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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Optional: true,
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ForceNew: false,
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},
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"key_pair": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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},
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},
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}
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}
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func resourceComputeInstanceV2Create(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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computeClient, err := config.computeV2Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack compute client: %s", err)
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}
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var createOpts servers.CreateOptsBuilder
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createOpts = &servers.CreateOpts{
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Name: d.Get("name").(string),
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ImageRef: d.Get("image_ref").(string),
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FlavorRef: d.Get("flavor_ref").(string),
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SecurityGroups: resourceInstanceSecGroupsV2(d),
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AvailabilityZone: d.Get("availability_zone").(string),
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Networks: resourceInstanceNetworksV2(d),
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Metadata: resourceInstanceMetadataV2(d),
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ConfigDrive: d.Get("config_drive").(bool),
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AdminPass: d.Get("admin_pass").(string),
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}
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if keyName, ok := d.Get("key_pair").(string); ok && keyName != "" {
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createOpts = &keypairs.CreateOptsExt{
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createOpts,
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keyName,
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}
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}
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log.Printf("[INFO] Requesting instance creation")
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server, err := servers.Create(computeClient, createOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error creating OpenStack server: %s", err)
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}
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log.Printf("[INFO] Instance ID: %s", server.ID)
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// Store the ID now
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d.SetId(server.ID)
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// Wait for the instance to become running so we can get some attributes
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// that aren't available until later.
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log.Printf(
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"[DEBUG] Waiting for instance (%s) to become running",
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server.ID)
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stateConf := &resource.StateChangeConf{
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Pending: []string{"BUILD"},
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Target: "ACTIVE",
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Refresh: ServerV2StateRefreshFunc(computeClient, server.ID),
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Timeout: 10 * time.Minute,
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Delay: 10 * time.Second,
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MinTimeout: 3 * time.Second,
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}
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_, err = stateConf.WaitForState()
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if err != nil {
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return fmt.Errorf(
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"Error waiting for instance (%s) to become ready: %s",
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server.ID, err)
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}
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return resourceComputeInstanceV2Read(d, meta)
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}
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func resourceComputeInstanceV2Read(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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computeClient, err := config.computeV2Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack compute client: %s", err)
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}
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server, err := servers.Get(computeClient, d.Id()).Extract()
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if err != nil {
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return fmt.Errorf("Error retrieving OpenStack server: %s", err)
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}
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log.Printf("[DEBUG] Retreived Server %s: %+v", d.Id(), server)
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d.Set("region", d.Get("region").(string))
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d.Set("name", server.Name)
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d.Set("access_ip_v4", server.AccessIPv4)
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d.Set("access_ip_v6", server.AccessIPv6)
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host := server.AccessIPv4
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if host == "" {
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if publicAddressesRaw, ok := server.Addresses["public"]; ok {
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publicAddresses := publicAddressesRaw.([]interface{})
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for _, paRaw := range publicAddresses {
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pa := paRaw.(map[string]interface{})
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if pa["version"].(float64) == 4 {
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host = pa["addr"].(string)
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d.Set("access_ip_v4", host)
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}
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}
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}
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}
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d.Set("host", host)
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log.Printf("host: %s", host)
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// Initialize the connection info
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d.SetConnInfo(map[string]string{
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"type": "ssh",
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"host": host,
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})
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d.Set("metadata", server.Metadata)
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secGrpNum := 0
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err = secgroups.ListByServer(computeClient, d.Id()).EachPage(func(page pagination.Page) (bool, error) {
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secGrpList, err := secgroups.ExtractSecurityGroups(page)
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if err != nil {
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return false, fmt.Errorf("Error getting security groups for OpenStack server: %s", err)
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}
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for _, sg := range secGrpList {
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d.Set(fmt.Sprintf("security_groups.%d", secGrpNum), sg.Name)
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secGrpNum++
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}
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return true, nil
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})
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d.Set("security_groups.#", secGrpNum)
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newFlavor, ok := server.Flavor["id"].(string)
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if !ok {
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return fmt.Errorf("Error setting OpenStack server's flavor: %v", server.Flavor)
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}
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d.Set("flavor_ref", newFlavor)
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return nil
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}
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func resourceComputeInstanceV2Update(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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computeClient, err := config.computeV2Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack compute client: %s", err)
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}
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var updateOpts servers.UpdateOpts
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if d.HasChange("name") {
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updateOpts.Name = d.Get("name").(string)
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}
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if d.HasChange("access_ip_v4") {
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updateOpts.AccessIPv4 = d.Get("access_ip_v4").(string)
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}
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if d.HasChange("access_ip_v6") {
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updateOpts.AccessIPv4 = d.Get("access_ip_v6").(string)
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}
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if updateOpts != (servers.UpdateOpts{}) {
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_, err := servers.Update(computeClient, d.Id(), updateOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error updating OpenStack server: %s", err)
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}
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}
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if d.HasChange("metadata") {
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var metadataOpts servers.MetadataOpts
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metadataOpts = make(servers.MetadataOpts)
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newMetadata := d.Get("metadata").(map[string]interface{})
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for k, v := range newMetadata {
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metadataOpts[k] = v.(string)
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}
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_, err := servers.UpdateMetadata(computeClient, d.Id(), metadataOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error updating OpenStack server (%s) metadata: %s", d.Id(), err)
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}
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}
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if d.HasChange("security_groups") {
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oldSGRaw, newSGRaw := d.GetChange("security_groups")
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oldSGSet, newSGSet := oldSGRaw.(*schema.Set), newSGRaw.(*schema.Set)
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secgroupsToAdd := newSGSet.Difference(oldSGSet)
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secgroupsToRemove := oldSGSet.Difference(newSGSet)
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log.Printf("[DEBUG] Security groups to add: %v", secgroupsToAdd)
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log.Printf("[DEBUG] Security groups to remove: %v", secgroupsToRemove)
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for _, g := range secgroupsToAdd.List() {
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err := secgroups.AddServerToGroup(computeClient, d.Id(), g.(string)).ExtractErr()
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if err != nil {
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return fmt.Errorf("Error adding security group to OpenStack server (%s): %s", d.Id(), err)
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}
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log.Printf("[DEBUG] Added security group (%s) to instance (%s)", g.(string), d.Id())
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}
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for _, g := range secgroupsToRemove.List() {
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err := secgroups.RemoveServerFromGroup(computeClient, d.Id(), g.(string)).ExtractErr()
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if err != nil {
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return fmt.Errorf("Error removing security group from OpenStack server (%s): %s", d.Id(), err)
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}
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log.Printf("[DEBUG] Removed security group (%s) from instance (%s)", g.(string), d.Id())
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}
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}
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if d.HasChange("admin_pass") {
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if newPwd, ok := d.Get("admin_pass").(string); ok {
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err := servers.ChangeAdminPassword(computeClient, d.Id(), newPwd).ExtractErr()
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if err != nil {
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return fmt.Errorf("Error changing admin password of OpenStack server (%s): %s", d.Id(), err)
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}
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}
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}
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if d.HasChange("flavor_ref") {
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resizeOpts := &servers.ResizeOpts{
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FlavorRef: d.Get("flavor_ref").(string),
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}
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err := servers.Resize(computeClient, d.Id(), resizeOpts).ExtractErr()
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if err != nil {
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return fmt.Errorf("Error resizing OpenStack server: %s", err)
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}
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// Wait for the instance to finish resizing.
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log.Printf("[DEBUG] Waiting for instance (%s) to finish resizing", d.Id())
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stateConf := &resource.StateChangeConf{
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Pending: []string{"RESIZE"},
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Target: "VERIFY_RESIZE",
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Refresh: ServerV2StateRefreshFunc(computeClient, d.Id()),
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Timeout: 3 * time.Minute,
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Delay: 10 * time.Second,
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MinTimeout: 3 * time.Second,
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}
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_, err = stateConf.WaitForState()
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if err != nil {
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return fmt.Errorf("Error waiting for instance (%s) to resize: %s", d.Id(), err)
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}
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// Confirm resize.
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log.Printf("[DEBUG] Confirming resize")
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err = servers.ConfirmResize(computeClient, d.Id()).ExtractErr()
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if err != nil {
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return fmt.Errorf("Error confirming resize of OpenStack server: %s", err)
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}
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stateConf = &resource.StateChangeConf{
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Pending: []string{"VERIFY_RESIZE"},
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Target: "ACTIVE",
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Refresh: ServerV2StateRefreshFunc(computeClient, d.Id()),
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Timeout: 3 * time.Minute,
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Delay: 10 * time.Second,
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MinTimeout: 3 * time.Second,
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}
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_, err = stateConf.WaitForState()
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if err != nil {
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return fmt.Errorf("Error waiting for instance (%s) to confirm resize: %s", d.Id(), err)
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}
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}
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return resourceComputeInstanceV2Read(d, meta)
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}
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func resourceComputeInstanceV2Delete(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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computeClient, err := config.computeV2Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack compute client: %s", err)
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}
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err = servers.Delete(computeClient, d.Id()).ExtractErr()
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if err != nil {
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return fmt.Errorf("Error deleting OpenStack server: %s", err)
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}
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// Wait for the instance to delete before moving on.
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log.Printf("[DEBUG] Waiting for instance (%s) to delete", d.Id())
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stateConf := &resource.StateChangeConf{
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Target: "",
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Refresh: ServerV2StateRefreshFunc(computeClient, d.Id()),
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Timeout: 10 * time.Minute,
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Delay: 10 * time.Second,
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MinTimeout: 3 * time.Second,
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}
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_, err = stateConf.WaitForState()
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if err != nil {
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return fmt.Errorf(
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"Error waiting for instance (%s) to delete: %s",
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d.Id(), err)
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}
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d.SetId("")
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return nil
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}
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// ServerStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch
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// an OpenStack instance.
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func ServerV2StateRefreshFunc(client *gophercloud.ServiceClient, instanceID string) resource.StateRefreshFunc {
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return func() (interface{}, string, error) {
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s, err := servers.Get(client, instanceID).Extract()
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if err != nil {
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return nil, "", err
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}
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return s, s.Status, nil
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}
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}
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func resourceInstanceSecGroupsV2(d *schema.ResourceData) []string {
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rawSecGroups := d.Get("security_groups").(*schema.Set)
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secgroups := make([]string, rawSecGroups.Len())
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for i, raw := range rawSecGroups.List() {
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secgroups[i] = raw.(string)
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}
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return secgroups
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}
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func resourceInstanceNetworksV2(d *schema.ResourceData) []servers.Network {
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rawNetworks := d.Get("network").([]interface{})
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networks := make([]servers.Network, len(rawNetworks))
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for i, raw := range rawNetworks {
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rawMap := raw.(map[string]interface{})
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networks[i] = servers.Network{
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UUID: rawMap["uuid"].(string),
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Port: rawMap["port"].(string),
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FixedIP: rawMap["fixed_ip"].(string),
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}
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}
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return networks
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}
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func resourceInstanceMetadataV2(d *schema.ResourceData) map[string]string {
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m := make(map[string]string)
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for key, val := range d.Get("metadata").(map[string]interface{}) {
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m[key] = val.(string)
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}
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return m
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}
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