resource_openstack_networking_port_v2.go

package openstack

import (
	"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/networking/v2/ports"
)

func resourceNetworkingPortV2() *schema.Resource {
	return &schema.Resource{
		Create: resourceNetworkingPortV2Create,
		Read:   resourceNetworkingPortV2Read,
		Update: resourceNetworkingPortV2Update,
		Delete: resourceNetworkingPortV2Delete,

		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,
				Optional: true,
				ForceNew: false,
			},
			"network_id": &schema.Schema{
				Type:     schema.TypeString,
				Required: true,
				ForceNew: true,
			},
			"admin_state_up": &schema.Schema{
				Type:     schema.TypeBool,
				Optional: true,
				ForceNew: false,
				Computed: true,
			},
			"mac_address": &schema.Schema{
				Type:     schema.TypeString,
				Optional: true,
				ForceNew: true,
				Computed: true,
			},
			"tenant_id": &schema.Schema{
				Type:     schema.TypeString,
				Optional: true,
				ForceNew: true,
				Computed: true,
			},
			"device_owner": &schema.Schema{
				Type:     schema.TypeString,
				Optional: true,
				ForceNew: true,
				Computed: true,
			},
			"security_group_ids": &schema.Schema{
				Type:     schema.TypeSet,
				Optional: true,
				ForceNew: false,
				Computed: true,
				Elem:     &schema.Schema{Type: schema.TypeString},
				Set: func(v interface{}) int {
					return hashcode.String(v.(string))
				},
			},
			"device_id": &schema.Schema{
				Type:     schema.TypeString,
				Optional: true,
				ForceNew: true,
				Computed: true,
			},
			"fixed_ip": &schema.Schema{
				Type:     schema.TypeList,
				Optional: true,
				ForceNew: false,
				Computed: true,
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"subnet_id": &schema.Schema{
							Type:     schema.TypeString,
							Required: true,
						},
						"ip_address": &schema.Schema{
							Type:     schema.TypeString,
							Optional: true,
							Computed: true,
						},
					},
				},
			},
		},
	}
}

func resourceNetworkingPortV2Create(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)
	}

	createOpts := ports.CreateOpts{
		Name:           d.Get("name").(string),
		AdminStateUp:   resourcePortAdminStateUpV2(d),
		NetworkID:      d.Get("network_id").(string),
		MACAddress:     d.Get("mac_address").(string),
		TenantID:       d.Get("tenant_id").(string),
		DeviceOwner:    d.Get("device_owner").(string),
		SecurityGroups: resourcePortSecurityGroupsV2(d),
		DeviceID:       d.Get("device_id").(string),
		FixedIPs:       resourcePortFixedIpsV2(d),
	}

	log.Printf("[DEBUG] Create Options: %#v", createOpts)
	p, err := ports.Create(networkingClient, createOpts).Extract()
	if err != nil {
		return fmt.Errorf("Error creating OpenStack Neutron network: %s", err)
	}
	log.Printf("[INFO] Network ID: %s", p.ID)

	log.Printf("[DEBUG] Waiting for OpenStack Neutron Port (%s) to become available.", p.ID)

	stateConf := &resource.StateChangeConf{
		Target:     []string{"ACTIVE"},
		Refresh:    waitForNetworkPortActive(networkingClient, p.ID),
		Timeout:    2 * time.Minute,
		Delay:      5 * time.Second,
		MinTimeout: 3 * time.Second,
	}

	_, err = stateConf.WaitForState()

	d.SetId(p.ID)

	return resourceNetworkingPortV2Read(d, meta)
}

func resourceNetworkingPortV2Read(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)
	}

	p, err := ports.Get(networkingClient, d.Id()).Extract()
	if err != nil {
		return CheckDeleted(d, err, "port")
	}

	log.Printf("[DEBUG] Retreived Port %s: %+v", d.Id(), p)

	d.Set("name", p.Name)
	d.Set("admin_state_up", p.AdminStateUp)
	d.Set("network_id", p.NetworkID)
	d.Set("mac_address", p.MACAddress)
	d.Set("tenant_id", p.TenantID)
	d.Set("device_owner", p.DeviceOwner)
	d.Set("security_group_ids", p.SecurityGroups)
	d.Set("device_id", p.DeviceID)

	// Convert FixedIPs to list of map
	var ips []map[string]interface{}
	for _, ipObject := range p.FixedIPs {
		ip := make(map[string]interface{})
		ip["subnet_id"] = ipObject.SubnetID
		ip["ip_address"] = ipObject.IPAddress
		ips = append(ips, ip)
	}
	d.Set("fixed_ip", ips)

	return nil
}

func resourceNetworkingPortV2Update(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 ports.UpdateOpts

	if d.HasChange("name") {
		updateOpts.Name = d.Get("name").(string)
	}

	if d.HasChange("admin_state_up") {
		updateOpts.AdminStateUp = resourcePortAdminStateUpV2(d)
	}

	if d.HasChange("device_owner") {
		updateOpts.DeviceOwner = d.Get("device_owner").(string)
	}

	if d.HasChange("security_group_ids") {
		updateOpts.SecurityGroups = resourcePortSecurityGroupsV2(d)
	}

	if d.HasChange("device_id") {
		updateOpts.DeviceID = d.Get("device_id").(string)
	}

	if d.HasChange("fixed_ip") {
		updateOpts.FixedIPs = resourcePortFixedIpsV2(d)
	}

	log.Printf("[DEBUG] Updating Port %s with options: %+v", d.Id(), updateOpts)

	_, err = ports.Update(networkingClient, d.Id(), updateOpts).Extract()
	if err != nil {
		return fmt.Errorf("Error updating OpenStack Neutron Network: %s", err)
	}

	return resourceNetworkingPortV2Read(d, meta)
}

func resourceNetworkingPortV2Delete(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"},
		Target:     []string{"DELETED"},
		Refresh:    waitForNetworkPortDelete(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 Neutron Network: %s", err)
	}

	d.SetId("")
	return nil
}

func resourcePortSecurityGroupsV2(d *schema.ResourceData) []string {
	rawSecurityGroups := d.Get("security_group_ids").(*schema.Set)
	groups := make([]string, rawSecurityGroups.Len())
	for i, raw := range rawSecurityGroups.List() {
		groups[i] = raw.(string)
	}
	return groups
}

func resourcePortFixedIpsV2(d *schema.ResourceData) interface{} {
	rawIP := d.Get("fixed_ip").([]interface{})

	if len(rawIP) == 0 {
		return nil
	}

	ip := make([]ports.IP, len(rawIP))
	for i, raw := range rawIP {
		rawMap := raw.(map[string]interface{})
		ip[i] = ports.IP{
			SubnetID:  rawMap["subnet_id"].(string),
			IPAddress: rawMap["ip_address"].(string),
		}
	}
	return ip

}

func resourcePortAdminStateUpV2(d *schema.ResourceData) *bool {
	value := false

	if raw, ok := d.GetOk("admin_state_up"); ok && raw == true {
		value = true
	}

	return &value
}

func waitForNetworkPortActive(networkingClient *gophercloud.ServiceClient, portId string) resource.StateRefreshFunc {
	return func() (interface{}, string, error) {
		p, err := ports.Get(networkingClient, portId).Extract()
		if err != nil {
			return nil, "", err
		}

		log.Printf("[DEBUG] OpenStack Neutron Port: %+v", p)
		if p.Status == "DOWN" || p.Status == "ACTIVE" {
			return p, "ACTIVE", nil
		}

		return p, p.Status, nil
	}
}

func waitForNetworkPortDelete(networkingClient *gophercloud.ServiceClient, portId string) resource.StateRefreshFunc {
	return func() (interface{}, string, error) {
		log.Printf("[DEBUG] Attempting to delete OpenStack Neutron Port %s", portId)

		p, err := ports.Get(networkingClient, portId).Extract()
		if err != nil {
			errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
			if !ok {
				return p, "ACTIVE", err
			}
			if errCode.Actual == 404 {
				log.Printf("[DEBUG] Successfully deleted OpenStack Port %s", portId)
				return p, "DELETED", nil
			}
		}

		err = ports.Delete(networkingClient, portId).ExtractErr()
		if err != nil {
			errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
			if !ok {
				return p, "ACTIVE", err
			}
			if errCode.Actual == 404 {
				log.Printf("[DEBUG] Successfully deleted OpenStack Port %s", portId)
				return p, "DELETED", nil
			}
		}

		log.Printf("[DEBUG] OpenStack Port %s still active.\n", portId)
		return p, "ACTIVE", nil
	}
}