225 lines
5.5 KiB
Go
225 lines
5.5 KiB
Go
package openstack
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import (
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"fmt"
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"log"
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"strings"
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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/subnets"
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)
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func resourceNetworkingSubnetRouteV2() *schema.Resource {
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return &schema.Resource{
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Create: resourceNetworkingSubnetRouteV2Create,
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Read: resourceNetworkingSubnetRouteV2Read,
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Delete: resourceNetworkingSubnetRouteV2Delete,
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Importer: &schema.ResourceImporter{
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State: schema.ImportStatePassthrough,
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},
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Schema: map[string]*schema.Schema{
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"region": {
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Type: schema.TypeString,
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Optional: true,
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Computed: true,
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ForceNew: true,
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},
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"subnet_id": {
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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": {
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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": {
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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 resourceNetworkingSubnetRouteV2Create(d *schema.ResourceData, meta interface{}) error {
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subnetId := d.Get("subnet_id").(string)
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osMutexKV.Lock(subnetId)
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defer osMutexKV.Unlock(subnetId)
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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, config))
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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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subnet, err := subnets.Get(networkingClient, subnetId).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 Subnet: %s", err)
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}
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var updateOpts subnets.UpdateOpts
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var routeExists bool = false
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var rts []subnets.HostRoute = subnet.HostRoutes
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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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return fmt.Errorf("Subnet %s has route already", subnetId)
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}
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if destCidr != "" && nextHop != "" {
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r := subnets.HostRoute{DestinationCIDR: destCidr, NextHop: nextHop}
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log.Printf("[INFO] Adding route %s", r)
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rts = append(rts, r)
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}
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updateOpts.HostRoutes = &rts
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log.Printf("[DEBUG] Updating Subnet %s with options: %+v", subnetId, updateOpts)
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_, err = subnets.Update(networkingClient, subnetId, updateOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error updating OpenStack Neutron Subnet: %s", err)
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}
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id := fmt.Sprintf("%s-route-%s-%s", subnetId, destCidr, nextHop)
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d.SetId(id)
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return resourceNetworkingSubnetRouteV2Read(d, meta)
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}
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func resourceNetworkingSubnetRouteV2Read(d *schema.ResourceData, meta interface{}) error {
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subnetId := d.Get("subnet_id").(string)
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config := meta.(*Config)
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networkingClient, err := config.networkingV2Client(GetRegion(d, config))
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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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destCidr := d.Get("destination_cidr").(string)
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nextHop := d.Get("next_hop").(string)
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routeIDParts := []string{}
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if d.Id() != "" && strings.Contains(d.Id(), "-route-") {
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routeIDParts = strings.Split(d.Id(), "-route-")
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routeLastIDParts := strings.Split(routeIDParts[1], "-")
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if subnetId == "" {
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subnetId = routeIDParts[0]
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d.Set("subnet_id", subnetId)
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}
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if destCidr == "" {
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destCidr = routeLastIDParts[0]
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}
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if nextHop == "" {
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nextHop = routeLastIDParts[1]
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}
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}
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subnet, err := subnets.Get(networkingClient, subnetId).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 Subnet: %s", err)
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}
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log.Printf("[DEBUG] Retrieved Subnet %s: %+v", subnetId, subnet)
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var exists bool
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for _, r := range subnet.HostRoutes {
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if r.DestinationCIDR == destCidr && r.NextHop == nextHop {
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exists = true
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}
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}
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if !exists {
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return fmt.Errorf("Route doesn't exist")
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}
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d.Set("next_hop", nextHop)
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d.Set("destination_cidr", destCidr)
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d.Set("region", GetRegion(d, config))
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return nil
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}
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func resourceNetworkingSubnetRouteV2Delete(d *schema.ResourceData, meta interface{}) error {
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subnetId := d.Get("subnet_id").(string)
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osMutexKV.Lock(subnetId)
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defer osMutexKV.Unlock(subnetId)
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config := meta.(*Config)
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networkingClient, err := config.networkingV2Client(GetRegion(d, config))
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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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subnet, err := subnets.Get(networkingClient, subnetId).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 Subnet: %s", err)
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}
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var updateOpts subnets.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 []subnets.HostRoute = subnet.HostRoutes
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var newRts []subnets.HostRoute
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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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return fmt.Errorf("Route did not exist already")
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}
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r := subnets.HostRoute{DestinationCIDR: destCidr, NextHop: nextHop}
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log.Printf("[INFO] Deleting route %s", r)
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updateOpts.HostRoutes = &newRts
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log.Printf("[DEBUG] Updating Subnet %s with options: %+v", subnetId, updateOpts)
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_, err = subnets.Update(networkingClient, subnetId, updateOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error updating OpenStack Neutron Subnet: %s", err)
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}
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return nil
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}
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