311 lines
8.5 KiB
Go
311 lines
8.5 KiB
Go
package openstack
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import (
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"fmt"
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"log"
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"strconv"
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"time"
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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/gophercloud/gophercloud"
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"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas/monitors"
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)
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func resourceLBMonitorV1() *schema.Resource {
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return &schema.Resource{
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Create: resourceLBMonitorV1Create,
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Read: resourceLBMonitorV1Read,
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Update: resourceLBMonitorV1Update,
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Delete: resourceLBMonitorV1Delete,
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Importer: &schema.ResourceImporter{
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State: schema.ImportStatePassthrough,
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},
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Timeouts: &schema.ResourceTimeout{
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Create: schema.DefaultTimeout(10 * time.Minute),
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Delete: schema.DefaultTimeout(10 * time.Minute),
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},
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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: schema.EnvDefaultFunc("OS_REGION_NAME", ""),
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},
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"tenant_id": &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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Computed: true,
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},
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"type": &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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},
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"delay": &schema.Schema{
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Type: schema.TypeInt,
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Required: true,
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ForceNew: false,
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},
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"timeout": &schema.Schema{
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Type: schema.TypeInt,
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Required: true,
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ForceNew: false,
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},
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"max_retries": &schema.Schema{
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Type: schema.TypeInt,
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Required: true,
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ForceNew: false,
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},
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"url_path": &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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"http_method": &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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"expected_codes": &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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"admin_state_up": &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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Computed: true,
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},
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},
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}
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}
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func resourceLBMonitorV1Create(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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networkingClient, err := config.networkingV2Client(GetRegion(d))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack networking client: %s", err)
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}
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createOpts := monitors.CreateOpts{
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TenantID: d.Get("tenant_id").(string),
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Delay: d.Get("delay").(int),
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Timeout: d.Get("timeout").(int),
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MaxRetries: d.Get("max_retries").(int),
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URLPath: d.Get("url_path").(string),
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ExpectedCodes: d.Get("expected_codes").(string),
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HTTPMethod: d.Get("http_method").(string),
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}
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if v, ok := d.GetOk("type"); ok {
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monitorType := resourceLBMonitorV1DetermineType(v.(string))
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createOpts.Type = monitorType
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}
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asuRaw := d.Get("admin_state_up").(string)
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if asuRaw != "" {
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asu, err := strconv.ParseBool(asuRaw)
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if err != nil {
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return fmt.Errorf("admin_state_up, if provided, must be either 'true' or 'false'")
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}
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createOpts.AdminStateUp = &asu
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}
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log.Printf("[DEBUG] Create Options: %#v", createOpts)
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m, err := monitors.Create(networkingClient, createOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error creating OpenStack LB Monitor: %s", err)
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}
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log.Printf("[INFO] LB Monitor ID: %s", m.ID)
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log.Printf("[DEBUG] Waiting for OpenStack LB Monitor (%s) to become available.", m.ID)
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stateConf := &resource.StateChangeConf{
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Pending: []string{"PENDING_CREATE"},
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Target: []string{"ACTIVE"},
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Refresh: waitForLBMonitorActive(networkingClient, m.ID),
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Timeout: d.Timeout(schema.TimeoutCreate),
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Delay: 5 * 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 err
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}
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d.SetId(m.ID)
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return resourceLBMonitorV1Read(d, meta)
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}
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func resourceLBMonitorV1Read(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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networkingClient, err := config.networkingV2Client(GetRegion(d))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack networking client: %s", err)
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}
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m, err := monitors.Get(networkingClient, d.Id()).Extract()
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if err != nil {
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return CheckDeleted(d, err, "LB monitor")
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}
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log.Printf("[DEBUG] Retrieved OpenStack LB Monitor %s: %+v", d.Id(), m)
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d.Set("type", m.Type)
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d.Set("delay", m.Delay)
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d.Set("timeout", m.Timeout)
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d.Set("max_retries", m.MaxRetries)
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d.Set("tenant_id", m.TenantID)
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d.Set("url_path", m.URLPath)
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d.Set("http_method", m.HTTPMethod)
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d.Set("expected_codes", m.ExpectedCodes)
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d.Set("admin_state_up", strconv.FormatBool(m.AdminStateUp))
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d.Set("region", GetRegion(d))
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return nil
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}
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func resourceLBMonitorV1Update(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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networkingClient, err := config.networkingV2Client(GetRegion(d))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack networking client: %s", err)
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}
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updateOpts := monitors.UpdateOpts{
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Delay: d.Get("delay").(int),
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Timeout: d.Get("timeout").(int),
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MaxRetries: d.Get("max_retries").(int),
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URLPath: d.Get("url_path").(string),
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HTTPMethod: d.Get("http_method").(string),
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ExpectedCodes: d.Get("expected_codes").(string),
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}
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if d.HasChange("admin_state_up") {
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asuRaw := d.Get("admin_state_up").(string)
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if asuRaw != "" {
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asu, err := strconv.ParseBool(asuRaw)
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if err != nil {
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return fmt.Errorf("admin_state_up, if provided, must be either 'true' or 'false'")
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}
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updateOpts.AdminStateUp = &asu
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}
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}
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log.Printf("[DEBUG] Updating OpenStack LB Monitor %s with options: %+v", d.Id(), updateOpts)
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_, err = monitors.Update(networkingClient, d.Id(), updateOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error updating OpenStack LB Monitor: %s", err)
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}
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return resourceLBMonitorV1Read(d, meta)
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}
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func resourceLBMonitorV1Delete(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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networkingClient, err := config.networkingV2Client(GetRegion(d))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack networking client: %s", err)
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}
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stateConf := &resource.StateChangeConf{
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Pending: []string{"ACTIVE", "PENDING_DELETE"},
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Target: []string{"DELETED"},
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Refresh: waitForLBMonitorDelete(networkingClient, d.Id()),
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Timeout: d.Timeout(schema.TimeoutDelete),
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Delay: 5 * 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 deleting OpenStack LB Monitor: %s", 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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func resourceLBMonitorV1DetermineType(t string) monitors.MonitorType {
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var monitorType monitors.MonitorType
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switch t {
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case "PING":
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monitorType = monitors.TypePING
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case "TCP":
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monitorType = monitors.TypeTCP
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case "HTTP":
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monitorType = monitors.TypeHTTP
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case "HTTPS":
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monitorType = monitors.TypeHTTPS
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}
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return monitorType
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}
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func waitForLBMonitorActive(networkingClient *gophercloud.ServiceClient, monitorId string) resource.StateRefreshFunc {
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return func() (interface{}, string, error) {
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m, err := monitors.Get(networkingClient, monitorId).Extract()
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if err != nil {
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return nil, "", err
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}
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// The monitor resource has no Status attribute, so a successful Get is the best we can do
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log.Printf("[DEBUG] OpenStack LB Monitor: %+v", m)
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return m, "ACTIVE", nil
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}
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}
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func waitForLBMonitorDelete(networkingClient *gophercloud.ServiceClient, monitorId string) resource.StateRefreshFunc {
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return func() (interface{}, string, error) {
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log.Printf("[DEBUG] Attempting to delete OpenStack LB Monitor %s", monitorId)
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m, err := monitors.Get(networkingClient, monitorId).Extract()
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if err != nil {
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if _, ok := err.(gophercloud.ErrDefault404); ok {
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log.Printf("[DEBUG] Successfully deleted OpenStack LB Monitor %s", monitorId)
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return m, "DELETED", nil
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}
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if errCode, ok := err.(gophercloud.ErrUnexpectedResponseCode); ok {
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if errCode.Actual == 409 {
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log.Printf("[DEBUG] OpenStack LB Monitor (%s) is waiting for Pool to delete.", monitorId)
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return m, "PENDING", nil
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}
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}
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return m, "ACTIVE", err
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}
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log.Printf("[DEBUG] OpenStack LB Monitor: %+v", m)
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err = monitors.Delete(networkingClient, monitorId).ExtractErr()
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if err != nil {
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if _, ok := err.(gophercloud.ErrDefault404); ok {
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log.Printf("[DEBUG] Successfully deleted OpenStack LB Monitor %s", monitorId)
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return m, "DELETED", nil
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}
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if errCode, ok := err.(gophercloud.ErrUnexpectedResponseCode); ok {
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if errCode.Actual == 409 {
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log.Printf("[DEBUG] OpenStack LB Monitor (%s) is waiting for Pool to delete.", monitorId)
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return m, "PENDING", nil
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}
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}
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return m, "ACTIVE", err
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}
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log.Printf("[DEBUG] OpenStack LB Monitor %s still active.", monitorId)
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return m, "ACTIVE", nil
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}
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}
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