OpenStack LBaaS V2 support - Monitor Resource

CRUD, tests, and docs for managing a Monitor resource

builtin/providers/openstack/resource_openstack_lbaas_monitor_v2.go

@@ -0,0 +1,293 @@
+package openstack
+
+import (
+	"fmt"
+	"log"
+	"time"
+
+	"github.com/hashicorp/terraform/helper/resource"
+	"github.com/hashicorp/terraform/helper/schema"
+
+	"github.com/rackspace/gophercloud"
+	"github.com/rackspace/gophercloud/openstack/networking/v2/extensions/lbaas_v2/monitors"
+)
+
+func resourceMonitorV2() *schema.Resource {
+	return &schema.Resource{
+		Create: resourceMonitorV2Create,
+		Read:   resourceMonitorV2Read,
+		Delete: resourceMonitorV2Delete,
+
+		Schema: map[string]*schema.Schema{
+			"region": &schema.Schema{
+				Type:        schema.TypeString,
+				Required:    true,
+				ForceNew:    true,
+				DefaultFunc: schema.EnvDefaultFunc("OS_REGION_NAME", ""),
+			},
+
+			"pool_id": &schema.Schema{
+				Type:     schema.TypeString,
+				Required: true,
+				ForceNew: true,
+			},
+
+			"name": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				ForceNew: true,
+			},
+
+			"tenant_id": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+				ForceNew: true,
+			},
+
+			"type": &schema.Schema{
+				Type:     schema.TypeString,
+				Required: true,
+				ForceNew: true,
+			},
+			"delay": &schema.Schema{
+				Type:     schema.TypeInt,
+				Required: true,
+				ForceNew: true,
+			},
+			"timeout": &schema.Schema{
+				Type:     schema.TypeInt,
+				Required: true,
+				ForceNew: true,
+			},
+			"max_retries": &schema.Schema{
+				Type:     schema.TypeInt,
+				Required: true,
+				ForceNew: true,
+			},
+			"url_path": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+				ForceNew: true,
+			},
+			"http_method": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+				ForceNew: true,
+			},
+			"expected_codes": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+				ForceNew: true,
+			},
+			"admin_state_up": &schema.Schema{
+				Type:     schema.TypeBool,
+				Optional: true,
+				ForceNew: true,
+			},
+
+			"id": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+			},
+		},
+	}
+}
+
+func resourceMonitorV2Create(d *schema.ResourceData, meta interface{}) error {
+	config := meta.(*Config)
+	networkingClient, err := config.networkingV2Client(d.Get("region").(string))
+	if err != nil {
+		return fmt.Errorf("Error creating OpenStack networking client: %s", err)
+	}
+
+	adminStateUp := d.Get("admin_state_up").(bool)
+	createOpts := monitors.CreateOpts{
+		PoolID:        d.Get("pool_id").(string),
+		TenantID:      d.Get("tenant_id").(string),
+		Type:          d.Get("type").(string),
+		Delay:         d.Get("delay").(int),
+		Timeout:       d.Get("timeout").(int),
+		MaxRetries:    d.Get("max_retries").(int),
+		URLPath:       d.Get("url_path").(string),
+		HTTPMethod:    d.Get("http_method").(string),
+		ExpectedCodes: d.Get("expected_codes").(string),
+		Name:          d.Get("name").(string),
+		AdminStateUp:  &adminStateUp,
+	}
+
+	log.Printf("[DEBUG] Create Options: %#v", createOpts)
+	monitor, err := monitors.Create(networkingClient, createOpts).Extract()
+	if err != nil {
+		return fmt.Errorf("Error creating OpenStack LBaaSV2 monitor: %s", err)
+	}
+	log.Printf("[INFO] monitor ID: %s", monitor.ID)
+
+	log.Printf("[DEBUG] Waiting for Openstack LBaaSV2 monitor (%s) to become available.", monitor.ID)
+
+	stateConf := &resource.StateChangeConf{
+		Pending:    []string{"PENDING_CREATE"},
+		Target:     []string{"ACTIVE"},
+		Refresh:    waitForMonitorActive(networkingClient, monitor.ID),
+		Timeout:    2 * time.Minute,
+		Delay:      5 * time.Second,
+		MinTimeout: 3 * time.Second,
+	}
+
+	_, err = stateConf.WaitForState()
+	if err != nil {
+		return err
+	}
+
+	d.SetId(monitor.ID)
+
+	return resourceMonitorV2Read(d, meta)
+}
+
+func resourceMonitorV2Read(d *schema.ResourceData, meta interface{}) error {
+	config := meta.(*Config)
+	networkingClient, err := config.networkingV2Client(d.Get("region").(string))
+	if err != nil {
+		return fmt.Errorf("Error creating OpenStack networking client: %s", err)
+	}
+
+	monitor, err := monitors.Get(networkingClient, d.Id()).Extract()
+	if err != nil {
+		return CheckDeleted(d, err, "LBV2 Monitor")
+	}
+
+	log.Printf("[DEBUG] Retreived OpenStack LBaaSV2 Monitor %s: %+v", d.Id(), monitor)
+
+	d.Set("id", monitor.ID)
+	d.Set("tenant_id", monitor.TenantID)
+	d.Set("type", monitor.Type)
+	d.Set("delay", monitor.Delay)
+	d.Set("timeout", monitor.Timeout)
+	d.Set("max_retries", monitor.MaxRetries)
+	d.Set("url_path", monitor.URLPath)
+	d.Set("http_method", monitor.HTTPMethod)
+	d.Set("expected_codes", monitor.ExpectedCodes)
+	d.Set("admin_state_up", monitor.AdminStateUp)
+	d.Set("name", monitor.Name)
+
+	return nil
+}
+
+func resourceMonitorV2Update(d *schema.ResourceData, meta interface{}) error {
+	config := meta.(*Config)
+	networkingClient, err := config.networkingV2Client(d.Get("region").(string))
+	if err != nil {
+		return fmt.Errorf("Error creating OpenStack networking client: %s", err)
+	}
+
+	var updateOpts monitors.UpdateOpts
+	if d.HasChange("url_path") {
+		updateOpts.URLPath = d.Get("url_path").(string)
+	}
+	if d.HasChange("expected_codes") {
+		updateOpts.ExpectedCodes = d.Get("expected_codes").(string)
+	}
+	if d.HasChange("delay") {
+		updateOpts.Delay = d.Get("delay").(int)
+	}
+	if d.HasChange("timeout") {
+		updateOpts.Timeout = d.Get("timeout").(int)
+	}
+	if d.HasChange("max_retries") {
+		updateOpts.MaxRetries = d.Get("max_retries").(int)
+	}
+	if d.HasChange("admin_state_up") {
+		asu := d.Get("admin_state_up").(bool)
+		updateOpts.AdminStateUp = &asu
+	}
+	if d.HasChange("name") {
+		updateOpts.Name = d.Get("name").(string)
+	}
+	if d.HasChange("http_method") {
+		updateOpts.HTTPMethod = d.Get("http_method").(string)
+	}
+
+	log.Printf("[DEBUG] Updating OpenStack LBaaSV2 Monitor %s with options: %+v", d.Id(), updateOpts)
+
+	_, err = monitors.Update(networkingClient, d.Id(), updateOpts).Extract()
+	if err != nil {
+		return fmt.Errorf("Error updating OpenStack LBaaSV2 Monitor: %s", err)
+	}
+
+	return resourceMonitorV2Read(d, meta)
+}
+
+func resourceMonitorV2Delete(d *schema.ResourceData, meta interface{}) error {
+	config := meta.(*Config)
+	networkingClient, err := config.networkingV2Client(d.Get("region").(string))
+	if err != nil {
+		return fmt.Errorf("Error creating OpenStack networking client: %s", err)
+	}
+
+	stateConf := &resource.StateChangeConf{
+		Pending:    []string{"ACTIVE", "PENDING_DELETE"},
+		Target:     []string{"DELETED"},
+		Refresh:    waitForMonitorDelete(networkingClient, d.Id()),
+		Timeout:    2 * time.Minute,
+		Delay:      5 * time.Second,
+		MinTimeout: 3 * time.Second,
+	}
+
+	_, err = stateConf.WaitForState()
+	if err != nil {
+		return fmt.Errorf("Error deleting OpenStack LBaaSV2 Monitor: %s", err)
+	}
+
+	d.SetId("")
+	return nil
+}
+
+func waitForMonitorActive(networkingClient *gophercloud.ServiceClient, monitorID string) resource.StateRefreshFunc {
+	return func() (interface{}, string, error) {
+		monitor, err := monitors.Get(networkingClient, monitorID).Extract()
+		if err != nil {
+			return nil, "", err
+		}
+
+		log.Printf("[DEBUG] OpenStack LBaaSV2 Monitor: %+v", monitor)
+		return monitor, "ACTIVE", nil
+	}
+}
+
+func waitForMonitorDelete(networkingClient *gophercloud.ServiceClient, monitorID string) resource.StateRefreshFunc {
+	return func() (interface{}, string, error) {
+		log.Printf("[DEBUG] Attempting to delete OpenStack LBaaSV2 Monitor %s", monitorID)
+
+		monitor, err := monitors.Get(networkingClient, monitorID).Extract()
+		if err != nil {
+			errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
+			if !ok {
+				return monitor, "ACTIVE", err
+			}
+			if errCode.Actual == 404 {
+				log.Printf("[DEBUG] Successfully deleted OpenStack LBaaSV2 Monitor %s", monitorID)
+				return monitor, "DELETED", nil
+			}
+		}
+
+		log.Printf("[DEBUG] Openstack LBaaSV2 Monitor: %+v", monitor)
+		err = monitors.Delete(networkingClient, monitorID).ExtractErr()
+		if err != nil {
+			errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
+			if !ok {
+				return monitor, "ACTIVE", err
+			}
+			if errCode.Actual == 404 {
+				log.Printf("[DEBUG] Successfully deleted OpenStack LBaaSV2 Monitor %s", monitorID)
+				return monitor, "DELETED", nil
+			}
+		}
+
+		log.Printf("[DEBUG] OpenStack LBaaSV2 Monitor %s still active.", monitorID)
+		return monitor, "ACTIVE", nil
+	}
+}