mirror of
https://github.com/letic/terraform-provider-google.git
synced 2024-10-04 17:51:11 +00:00
190 lines
5.2 KiB
Go
190 lines
5.2 KiB
Go
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package google
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import (
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"fmt"
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"log"
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"regexp"
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"sort"
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"github.com/hashicorp/terraform/helper/schema"
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"google.golang.org/api/compute/v1"
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"google.golang.org/api/googleapi"
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)
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const peerNetworkLinkRegex = "projects/(" + ProjectRegex + ")/global/networks/((?:[a-z](?:[-a-z0-9]*[a-z0-9])?))$"
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func resourceComputeNetworkPeering() *schema.Resource {
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return &schema.Resource{
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Create: resourceComputeNetworkPeeringCreate,
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Read: resourceComputeNetworkPeeringRead,
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Delete: resourceComputeNetworkPeeringDelete,
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Schema: map[string]*schema.Schema{
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"name": &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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ValidateFunc: validateGCPName,
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},
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"network": &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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ValidateFunc: validateRegexp(peerNetworkLinkRegex),
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DiffSuppressFunc: compareSelfLinkRelativePaths,
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},
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"peer_network": &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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ValidateFunc: validateRegexp(peerNetworkLinkRegex),
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DiffSuppressFunc: compareSelfLinkRelativePaths,
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},
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"auto_create_routes": &schema.Schema{
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Type: schema.TypeBool,
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ForceNew: true,
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Optional: true,
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Default: true,
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},
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"state": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"state_details": &schema.Schema{
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Type: schema.TypeString,
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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 resourceComputeNetworkPeeringCreate(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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project, err := getProject(d, config)
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if err != nil {
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return err
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}
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networkLink := d.Get("network").(string)
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networkName := getNameFromNetworkLink(networkLink)
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request := &compute.NetworksAddPeeringRequest{
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Name: d.Get("name").(string),
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PeerNetwork: d.Get("peer_network").(string),
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AutoCreateRoutes: d.Get("auto_create_routes").(bool),
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}
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addOp, err := config.clientCompute.Networks.AddPeering(project, networkName, request).Do()
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if err != nil {
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return fmt.Errorf("Error adding network peering: %s", err)
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}
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err = computeOperationWait(config, addOp, project, "Adding Network Peering")
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if err != nil {
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return err
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}
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d.SetId(fmt.Sprintf("%s/%s", networkName, d.Get("name").(string)))
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return resourceComputeNetworkPeeringRead(d, meta)
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}
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func resourceComputeNetworkPeeringRead(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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project, err := getProject(d, config)
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if err != nil {
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return err
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}
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peeringName := d.Get("name").(string)
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networkLink := d.Get("network").(string)
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networkName := getNameFromNetworkLink(networkLink)
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network, err := config.clientCompute.Networks.Get(project, networkName).Do()
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if err != nil {
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return handleNotFoundError(err, d, fmt.Sprintf("Network %q", networkName))
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}
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peering := findPeeringFromNetwork(network, peeringName)
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if peering == nil {
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log.Printf("[WARN] Removing network peering %s from network %s because it's gone", peeringName, networkName)
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d.SetId("")
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return nil
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}
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d.Set("peer_network", peering.Network)
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d.Set("auto_create_routes", peering.AutoCreateRoutes)
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d.Set("state", peering.State)
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d.Set("state_details", peering.StateDetails)
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return nil
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}
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func resourceComputeNetworkPeeringDelete(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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// Remove the `network` to `peer_network` peering
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project, err := getProject(d, config)
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if err != nil {
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return err
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}
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name := d.Get("name").(string)
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networkLink := d.Get("network").(string)
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peerNetworkLink := d.Get("peer_network").(string)
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networkName := getNameFromNetworkLink(networkLink)
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peerNetworkName := getNameFromNetworkLink(peerNetworkLink)
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request := &compute.NetworksRemovePeeringRequest{
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Name: name,
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}
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// Only one delete peering operation at a time can be performed inside any peered VPCs.
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peeringLockName := getNetworkPeeringLockName(networkName, peerNetworkName)
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mutexKV.Lock(peeringLockName)
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defer mutexKV.Unlock(peeringLockName)
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removeOp, err := config.clientCompute.Networks.RemovePeering(project, networkName, request).Do()
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if err != nil {
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if gerr, ok := err.(*googleapi.Error); ok && gerr.Code == 404 {
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log.Printf("[WARN] Peering `%s` already removed from network `%s`", name, networkName)
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} else {
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return fmt.Errorf("Error removing peering `%s` from network `%s`: %s", name, networkName, err)
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}
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} else {
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err = computeOperationWait(config, removeOp, project, "Removing Network Peering")
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if err != nil {
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return err
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}
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}
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return nil
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}
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func findPeeringFromNetwork(network *compute.Network, peeringName string) *compute.NetworkPeering {
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for _, p := range network.Peerings {
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if p.Name == peeringName {
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return p
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}
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}
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return nil
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}
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func getNameFromNetworkLink(network string) string {
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r := regexp.MustCompile(peerNetworkLinkRegex)
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m := r.FindStringSubmatch(network)
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return m[2]
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}
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func getNetworkPeeringLockName(networkName, peerNetworkName string) string {
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// Whether you delete the peering from network A to B or the one from B to A, they
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// cannot happen at the same time.
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networks := []string{networkName, peerNetworkName}
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sort.Strings(networks)
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return fmt.Sprintf("network_peering/%s/%s", networks[0], networks[1])
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}
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