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resource_compute_global_forwarding_rule.go
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resource_compute_global_forwarding_rule.go
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package google
import (
"fmt"
"log"
"github.com/hashicorp/terraform/helper/schema"
"github.com/hashicorp/terraform/helper/validation"
computeBeta "google.golang.org/api/compute/v0.beta"
"google.golang.org/api/compute/v1"
)
var GlobalForwardingRuleBaseApiVersion = v1
var GlobalForwardingRuleVersionedFeatures = []Feature{
{Version: v0beta, Item: "labels"},
}
func resourceComputeGlobalForwardingRule() *schema.Resource {
return &schema.Resource{
Create: resourceComputeGlobalForwardingRuleCreate,
Read: resourceComputeGlobalForwardingRuleRead,
Update: resourceComputeGlobalForwardingRuleUpdate,
Delete: resourceComputeGlobalForwardingRuleDelete,
Importer: &schema.ResourceImporter{
State: schema.ImportStatePassthrough,
},
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"target": &schema.Schema{
Type: schema.TypeString,
Required: true,
DiffSuppressFunc: compareSelfLinkRelativePaths,
},
"description": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"ip_address": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Computed: true,
},
"ip_protocol": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Computed: true,
},
"labels": &schema.Schema{
Type: schema.TypeMap,
Optional: true,
Elem: &schema.Schema{Type: schema.TypeString},
Set: schema.HashString,
},
"label_fingerprint": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
"port_range": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
DiffSuppressFunc: portRangeDiffSuppress,
},
"ip_version": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
ValidateFunc: validation.StringInSlice([]string{"IPV4", "IPV6"}, false),
},
"project": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"region": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Removed: "Please remove this attribute (it was never used)",
},
"self_link": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
},
}
}
func resourceComputeGlobalForwardingRuleCreate(d *schema.ResourceData, meta interface{}) error {
computeApiVersion := getComputeApiVersion(d, GlobalForwardingRuleBaseApiVersion, GlobalForwardingRuleVersionedFeatures)
config := meta.(*Config)
project, err := getProject(d, config)
if err != nil {
return err
}
frule := &computeBeta.ForwardingRule{
IPAddress: d.Get("ip_address").(string),
IPProtocol: d.Get("ip_protocol").(string),
IpVersion: d.Get("ip_version").(string),
Description: d.Get("description").(string),
Name: d.Get("name").(string),
PortRange: d.Get("port_range").(string),
Target: d.Get("target").(string),
}
var op interface{}
switch computeApiVersion {
case v1:
v1Frule := &compute.ForwardingRule{}
err = Convert(frule, v1Frule)
if err != nil {
return err
}
op, err = config.clientCompute.GlobalForwardingRules.Insert(project, v1Frule).Do()
if err != nil {
return fmt.Errorf("Error creating Global Forwarding Rule: %s", err)
}
case v0beta:
v0BetaFrule := &computeBeta.ForwardingRule{}
err = Convert(frule, v0BetaFrule)
if err != nil {
return err
}
op, err = config.clientComputeBeta.GlobalForwardingRules.Insert(project, v0BetaFrule).Do()
if err != nil {
return fmt.Errorf("Error creating Global Forwarding Rule: %s", err)
}
}
// It probably maybe worked, so store the ID now
d.SetId(frule.Name)
err = computeSharedOperationWait(config.clientCompute, op, project, "Creating Global Fowarding Rule")
if err != nil {
return err
}
// If we have labels to set, try to set those too
if _, ok := d.GetOk("labels"); ok {
labels := expandLabels(d)
// Do a read to get the fingerprint value so we can update
fingerprint, err := resourceComputeGlobalForwardingRuleReadLabelFingerprint(config, computeApiVersion, project, frule.Name)
if err != nil {
return err
}
err = resourceComputeGlobalForwardingRuleSetLabels(config, computeApiVersion, project, frule.Name, labels, fingerprint)
if err != nil {
return err
}
}
return resourceComputeGlobalForwardingRuleRead(d, meta)
}
func resourceComputeGlobalForwardingRuleUpdate(d *schema.ResourceData, meta interface{}) error {
computeApiVersion := getComputeApiVersionUpdate(d, GlobalForwardingRuleBaseApiVersion, GlobalForwardingRuleVersionedFeatures, []Feature{})
config := meta.(*Config)
project, err := getProject(d, config)
if err != nil {
return err
}
d.Partial(true)
if d.HasChange("target") {
target := d.Get("target").(string)
targetRef := &computeBeta.TargetReference{Target: target}
var op interface{}
switch computeApiVersion {
case v1:
v1TargetRef := &compute.TargetReference{}
err = Convert(targetRef, v1TargetRef)
if err != nil {
return err
}
op, err = config.clientCompute.GlobalForwardingRules.SetTarget(
project, d.Id(), v1TargetRef).Do()
if err != nil {
return fmt.Errorf("Error updating target: %s", err)
}
case v0beta:
v0BetaTargetRef := &compute.TargetReference{}
err = Convert(targetRef, v0BetaTargetRef)
if err != nil {
return err
}
op, err = config.clientCompute.GlobalForwardingRules.SetTarget(
project, d.Id(), v0BetaTargetRef).Do()
if err != nil {
return fmt.Errorf("Error updating target: %s", err)
}
}
err = computeSharedOperationWait(config.clientCompute, op, project, "Updating Global Forwarding Rule")
if err != nil {
return err
}
d.SetPartial("target")
}
if d.HasChange("labels") {
labels := expandLabels(d)
fingerprint := d.Get("label_fingerprint").(string)
err = resourceComputeGlobalForwardingRuleSetLabels(config, computeApiVersion, project, d.Get("name").(string), labels, fingerprint)
if err != nil {
return err
}
d.SetPartial("labels")
}
d.Partial(false)
return resourceComputeGlobalForwardingRuleRead(d, meta)
}
func resourceComputeGlobalForwardingRuleRead(d *schema.ResourceData, meta interface{}) error {
computeApiVersion := getComputeApiVersion(d, GlobalForwardingRuleBaseApiVersion, GlobalForwardingRuleVersionedFeatures)
config := meta.(*Config)
project, err := getProject(d, config)
if err != nil {
return err
}
frule := &computeBeta.ForwardingRule{}
switch computeApiVersion {
case v1:
v1Frule, err := config.clientCompute.GlobalForwardingRules.Get(project, d.Id()).Do()
if err != nil {
return handleNotFoundError(err, d, fmt.Sprintf("Global Forwarding Rule %q", d.Get("name").(string)))
}
err = Convert(v1Frule, frule)
if err != nil {
return err
}
case v0beta:
v0BetaFrule, err := config.clientComputeBeta.GlobalForwardingRules.Get(project, d.Id()).Do()
if err != nil {
return handleNotFoundError(err, d, fmt.Sprintf("Global Forwarding Rule %q", d.Get("name").(string)))
}
err = Convert(v0BetaFrule, frule)
if err != nil {
return err
}
}
d.Set("name", frule.Name)
d.Set("description", frule.Description)
d.Set("target", frule.Target)
d.Set("port_range", frule.PortRange)
d.Set("ip_address", frule.IPAddress)
d.Set("ip_protocol", frule.IPProtocol)
d.Set("ip_version", frule.IpVersion)
d.Set("self_link", ConvertSelfLinkToV1(frule.SelfLink))
d.Set("labels", frule.Labels)
d.Set("label_fingerprint", frule.LabelFingerprint)
d.Set("project", project)
return nil
}
func resourceComputeGlobalForwardingRuleDelete(d *schema.ResourceData, meta interface{}) error {
computeApiVersion := getComputeApiVersion(d, GlobalForwardingRuleBaseApiVersion, GlobalForwardingRuleVersionedFeatures)
config := meta.(*Config)
project, err := getProject(d, config)
if err != nil {
return err
}
// Delete the GlobalForwardingRule
log.Printf("[DEBUG] GlobalForwardingRule delete request")
var op interface{}
switch computeApiVersion {
case v1:
op, err = config.clientCompute.GlobalForwardingRules.Delete(project, d.Id()).Do()
if err != nil {
return fmt.Errorf("Error deleting GlobalForwardingRule: %s", err)
}
case v0beta:
op, err = config.clientComputeBeta.GlobalForwardingRules.Delete(project, d.Id()).Do()
if err != nil {
return fmt.Errorf("Error deleting GlobalForwardingRule: %s", err)
}
}
err = computeSharedOperationWait(config.clientCompute, op, project, "Deleting GlobalForwarding Rule")
if err != nil {
return err
}
d.SetId("")
return nil
}
// resourceComputeGlobalForwardingRuleReadLabelFingerprint performs a read on the remote resource and returns only the
// fingerprint. Used on create when setting labels as we don't know the label fingerprint initially.
func resourceComputeGlobalForwardingRuleReadLabelFingerprint(config *Config, computeApiVersion ApiVersion,
project, name string) (string, error) {
switch computeApiVersion {
case v0beta:
frule, err := config.clientComputeBeta.GlobalForwardingRules.Get(project, name).Do()
if err != nil {
return "", fmt.Errorf("Unable to read global forwarding rule to update labels: %s", err)
}
return frule.LabelFingerprint, nil
default:
return "", fmt.Errorf(
"Unable to read label fingerprint due to an internal error: can only handle v0beta but compute api logic indicates %d",
computeApiVersion)
}
}
// resourceComputeGlobalForwardingRuleSetLabels sets the Labels attribute on a forwarding rule.
func resourceComputeGlobalForwardingRuleSetLabels(config *Config, computeApiVersion ApiVersion, project,
name string, labels map[string]string, fingerprint string) error {
var op interface{}
var err error
switch computeApiVersion {
case v0beta:
setLabels := computeBeta.GlobalSetLabelsRequest{
Labels: labels,
LabelFingerprint: fingerprint,
}
op, err = config.clientComputeBeta.GlobalForwardingRules.SetLabels(project, name, &setLabels).Do()
if err != nil {
return err
}
default:
return fmt.Errorf(
"Unable to set labels due to an internal error: can only handle v0beta but compute api logic indicates %d",
computeApiVersion)
}
err = computeSharedOperationWait(config.clientCompute, op, project, "Setting labels on Global Forwarding Rule")
if err != nil {
return err
}
return nil
}