203 lines
5.0 KiB
Go
203 lines
5.0 KiB
Go
package openstack
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import (
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"fmt"
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"log"
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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/layer3/routers"
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)
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func resourceNetworkingRouterRouteV2() *schema.Resource {
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return &schema.Resource{
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Create: resourceNetworkingRouterRouteV2Create,
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Read: resourceNetworkingRouterRouteV2Read,
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Delete: resourceNetworkingRouterRouteV2Delete,
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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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"router_id": &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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"destination_cidr": &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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"next_hop": &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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},
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}
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}
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func resourceNetworkingRouterRouteV2Create(d *schema.ResourceData, meta interface{}) error {
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routerId := d.Get("router_id").(string)
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osMutexKV.Lock(routerId)
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defer osMutexKV.Unlock(routerId)
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var destCidr string = d.Get("destination_cidr").(string)
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var nextHop string = d.Get("next_hop").(string)
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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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n, err := routers.Get(networkingClient, routerId).Extract()
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if err != nil {
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if _, ok := err.(gophercloud.ErrDefault404); ok {
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d.SetId("")
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return nil
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}
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return fmt.Errorf("Error retrieving OpenStack Neutron Router: %s", err)
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}
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var updateOpts routers.UpdateOpts
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var routeExists bool = false
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var rts []routers.Route = n.Routes
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for _, r := range rts {
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if r.DestinationCIDR == destCidr && r.NextHop == nextHop {
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routeExists = true
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break
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}
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}
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if !routeExists {
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if destCidr != "" && nextHop != "" {
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r := routers.Route{DestinationCIDR: destCidr, NextHop: nextHop}
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log.Printf(
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"[INFO] Adding route %s", r)
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rts = append(rts, r)
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}
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updateOpts.Routes = rts
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log.Printf("[DEBUG] Updating Router %s with options: %+v", routerId, updateOpts)
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_, err = routers.Update(networkingClient, routerId, updateOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error updating OpenStack Neutron Router: %s", err)
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}
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d.SetId(fmt.Sprintf("%s-route-%s-%s", routerId, destCidr, nextHop))
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} else {
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log.Printf("[DEBUG] Router %s has route already", routerId)
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}
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return resourceNetworkingRouterRouteV2Read(d, meta)
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}
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func resourceNetworkingRouterRouteV2Read(d *schema.ResourceData, meta interface{}) error {
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routerId := d.Get("router_id").(string)
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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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n, err := routers.Get(networkingClient, routerId).Extract()
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if err != nil {
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if _, ok := err.(gophercloud.ErrDefault404); ok {
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d.SetId("")
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return nil
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}
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return fmt.Errorf("Error retrieving OpenStack Neutron Router: %s", err)
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}
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log.Printf("[DEBUG] Retrieved Router %s: %+v", routerId, n)
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var destCidr string = d.Get("destination_cidr").(string)
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var nextHop string = d.Get("next_hop").(string)
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d.Set("next_hop", "")
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d.Set("destination_cidr", "")
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for _, r := range n.Routes {
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if r.DestinationCIDR == destCidr && r.NextHop == nextHop {
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d.Set("destination_cidr", destCidr)
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d.Set("next_hop", nextHop)
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break
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}
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}
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return nil
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}
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func resourceNetworkingRouterRouteV2Delete(d *schema.ResourceData, meta interface{}) error {
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routerId := d.Get("router_id").(string)
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osMutexKV.Lock(routerId)
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defer osMutexKV.Unlock(routerId)
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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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n, err := routers.Get(networkingClient, routerId).Extract()
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if err != nil {
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if _, ok := err.(gophercloud.ErrDefault404); ok {
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return nil
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}
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return fmt.Errorf("Error retrieving OpenStack Neutron Router: %s", err)
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}
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var updateOpts routers.UpdateOpts
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var destCidr string = d.Get("destination_cidr").(string)
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var nextHop string = d.Get("next_hop").(string)
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var oldRts []routers.Route = n.Routes
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var newRts []routers.Route
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for _, r := range oldRts {
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if r.DestinationCIDR != destCidr || r.NextHop != nextHop {
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newRts = append(newRts, r)
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}
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}
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if len(oldRts) != len(newRts) {
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r := routers.Route{DestinationCIDR: destCidr, NextHop: nextHop}
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log.Printf(
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"[INFO] Deleting route %s", r)
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updateOpts.Routes = newRts
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log.Printf("[DEBUG] Updating Router %s with options: %+v", routerId, updateOpts)
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_, err = routers.Update(networkingClient, routerId, updateOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error updating OpenStack Neutron Router: %s", err)
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}
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} else {
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return fmt.Errorf("Route did not exist already")
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}
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return nil
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}
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