terraform/builtin/providers/google/resource_compute_region_bac...

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package google
import (
"bytes"
"fmt"
"log"
"regexp"
"github.com/hashicorp/terraform/helper/hashcode"
"github.com/hashicorp/terraform/helper/schema"
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"google.golang.org/api/compute/v1"
"google.golang.org/api/googleapi"
)
func resourceComputeRegionBackendService() *schema.Resource {
return &schema.Resource{
Create: resourceComputeRegionBackendServiceCreate,
Read: resourceComputeRegionBackendServiceRead,
Update: resourceComputeRegionBackendServiceUpdate,
Delete: resourceComputeRegionBackendServiceDelete,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
value := v.(string)
re := `^(?:[a-z](?:[-a-z0-9]{0,61}[a-z0-9])?)$`
if !regexp.MustCompile(re).MatchString(value) {
errors = append(errors, fmt.Errorf(
"%q (%q) doesn't match regexp %q", k, value, re))
}
return
},
},
"health_checks": &schema.Schema{
Type: schema.TypeSet,
Elem: &schema.Schema{Type: schema.TypeString},
Required: true,
Set: schema.HashString,
},
"backend": &schema.Schema{
Type: schema.TypeSet,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"group": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"description": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
},
},
Optional: true,
Set: resourceGoogleComputeRegionBackendServiceBackendHash,
},
"description": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"fingerprint": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
"project": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"protocol": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"region": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"self_link": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
"timeout_sec": &schema.Schema{
Type: schema.TypeInt,
Optional: true,
Computed: true,
},
},
}
}
func resourceComputeRegionBackendServiceCreate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
hc := d.Get("health_checks").(*schema.Set).List()
healthChecks := make([]string, 0, len(hc))
for _, v := range hc {
healthChecks = append(healthChecks, v.(string))
}
service := compute.BackendService{
Name: d.Get("name").(string),
HealthChecks: healthChecks,
LoadBalancingScheme: "INTERNAL",
}
if v, ok := d.GetOk("backend"); ok {
service.Backends = expandBackends(v.(*schema.Set).List())
}
if v, ok := d.GetOk("description"); ok {
service.Description = v.(string)
}
if v, ok := d.GetOk("protocol"); ok {
service.Protocol = v.(string)
}
if v, ok := d.GetOk("timeout_sec"); ok {
service.TimeoutSec = int64(v.(int))
}
project, err := getProject(d, config)
if err != nil {
return err
}
region, err := getRegion(d, config)
if err != nil {
return err
}
log.Printf("[DEBUG] Creating new Region Backend Service: %#v", service)
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op, err := config.clientCompute.RegionBackendServices.Insert(
project, region, &service).Do()
if err != nil {
return fmt.Errorf("Error creating backend service: %s", err)
}
log.Printf("[DEBUG] Waiting for new backend service, operation: %#v", op)
d.SetId(service.Name)
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err = computeOperationWaitRegion(config, op, project, region, "Creating Region Backend Service")
if err != nil {
return err
}
return resourceComputeRegionBackendServiceRead(d, meta)
}
func resourceComputeRegionBackendServiceRead(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
project, err := getProject(d, config)
if err != nil {
return err
}
region, err := getRegion(d, config)
if err != nil {
return err
}
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service, err := config.clientCompute.RegionBackendServices.Get(
project, region, d.Id()).Do()
if err != nil {
if gerr, ok := err.(*googleapi.Error); ok && gerr.Code == 404 {
// The resource doesn't exist anymore
log.Printf("[WARN] Removing Backend Service %q because it's gone", d.Get("name").(string))
d.SetId("")
return nil
}
return fmt.Errorf("Error reading service: %s", err)
}
d.Set("description", service.Description)
d.Set("protocol", service.Protocol)
d.Set("timeout_sec", service.TimeoutSec)
d.Set("fingerprint", service.Fingerprint)
d.Set("self_link", service.SelfLink)
d.Set("backend", flattenBackends(service.Backends))
d.Set("health_checks", service.HealthChecks)
return nil
}
func resourceComputeRegionBackendServiceUpdate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
project, err := getProject(d, config)
if err != nil {
return err
}
region, err := getRegion(d, config)
if err != nil {
return err
}
hc := d.Get("health_checks").(*schema.Set).List()
healthChecks := make([]string, 0, len(hc))
for _, v := range hc {
healthChecks = append(healthChecks, v.(string))
}
service := compute.BackendService{
Name: d.Get("name").(string),
Fingerprint: d.Get("fingerprint").(string),
HealthChecks: healthChecks,
LoadBalancingScheme: "INTERNAL",
}
// Optional things
if v, ok := d.GetOk("backend"); ok {
service.Backends = expandBackends(v.(*schema.Set).List())
}
if v, ok := d.GetOk("description"); ok {
service.Description = v.(string)
}
if v, ok := d.GetOk("protocol"); ok {
service.Protocol = v.(string)
}
if v, ok := d.GetOk("timeout_sec"); ok {
service.TimeoutSec = int64(v.(int))
}
log.Printf("[DEBUG] Updating existing Backend Service %q: %#v", d.Id(), service)
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op, err := config.clientCompute.RegionBackendServices.Update(
project, region, d.Id(), &service).Do()
if err != nil {
return fmt.Errorf("Error updating backend service: %s", err)
}
d.SetId(service.Name)
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err = computeOperationWaitRegion(config, op, project, region, "Updating Backend Service")
if err != nil {
return err
}
return resourceComputeRegionBackendServiceRead(d, meta)
}
func resourceComputeRegionBackendServiceDelete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
project, err := getProject(d, config)
if err != nil {
return err
}
region, err := getRegion(d, config)
if err != nil {
return err
}
log.Printf("[DEBUG] Deleting backend service %s", d.Id())
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op, err := config.clientCompute.RegionBackendServices.Delete(
project, region, d.Id()).Do()
if err != nil {
return fmt.Errorf("Error deleting backend service: %s", err)
}
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err = computeOperationWaitRegion(config, op, project, region, "Deleting Backend Service")
if err != nil {
return err
}
d.SetId("")
return nil
}
func resourceGoogleComputeRegionBackendServiceBackendHash(v interface{}) int {
if v == nil {
return 0
}
var buf bytes.Buffer
m := v.(map[string]interface{})
buf.WriteString(fmt.Sprintf("%s-", m["group"].(string)))
if v, ok := m["description"]; ok {
buf.WriteString(fmt.Sprintf("%s-", v.(string)))
}
return hashcode.String(buf.String())
}