terraform/builtin/providers/google/resource_container_node_poo...

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package google
import (
"fmt"
"log"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
"google.golang.org/api/container/v1"
"google.golang.org/api/googleapi"
)
func resourceContainerNodePool() *schema.Resource {
return &schema.Resource{
Create: resourceContainerNodePoolCreate,
Read: resourceContainerNodePoolRead,
Delete: resourceContainerNodePoolDelete,
Exists: resourceContainerNodePoolExists,
Schema: map[string]*schema.Schema{
"project": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"name": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ConflictsWith: []string{"name_prefix"},
ForceNew: true,
},
"name_prefix": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"zone": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"cluster": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"initial_node_count": &schema.Schema{
Type: schema.TypeInt,
Required: true,
ForceNew: true,
},
},
}
}
func resourceContainerNodePoolCreate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
project, err := getProject(d, config)
if err != nil {
return err
}
zone := d.Get("zone").(string)
cluster := d.Get("cluster").(string)
nodeCount := d.Get("initial_node_count").(int)
var name string
if v, ok := d.GetOk("name"); ok {
name = v.(string)
} else if v, ok := d.GetOk("name_prefix"); ok {
name = resource.PrefixedUniqueId(v.(string))
} else {
name = resource.UniqueId()
}
nodePool := &container.NodePool{
Name: name,
InitialNodeCount: int64(nodeCount),
}
req := &container.CreateNodePoolRequest{
NodePool: nodePool,
}
op, err := config.clientContainer.Projects.Zones.Clusters.NodePools.Create(project, zone, cluster, req).Do()
if err != nil {
return fmt.Errorf("Error creating NodePool: %s", err)
}
waitErr := containerOperationWait(config, op, project, zone, "creating GKE NodePool", 10, 3)
if waitErr != nil {
// The resource didn't actually create
d.SetId("")
return waitErr
}
log.Printf("[INFO] GKE NodePool %s has been created", name)
d.SetId(name)
return resourceContainerNodePoolRead(d, meta)
}
func resourceContainerNodePoolRead(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
project, err := getProject(d, config)
if err != nil {
return err
}
zone := d.Get("zone").(string)
name := d.Get("name").(string)
cluster := d.Get("cluster").(string)
nodePool, err := config.clientContainer.Projects.Zones.Clusters.NodePools.Get(
project, zone, cluster, name).Do()
if err != nil {
return fmt.Errorf("Error reading NodePool: %s", err)
}
d.Set("name", nodePool.Name)
d.Set("initial_node_count", nodePool.InitialNodeCount)
return nil
}
func resourceContainerNodePoolDelete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
project, err := getProject(d, config)
if err != nil {
return err
}
zone := d.Get("zone").(string)
name := d.Get("name").(string)
cluster := d.Get("cluster").(string)
op, err := config.clientContainer.Projects.Zones.Clusters.NodePools.Delete(
project, zone, cluster, name).Do()
if err != nil {
return fmt.Errorf("Error deleting NodePool: %s", err)
}
// Wait until it's deleted
waitErr := containerOperationWait(config, op, project, zone, "deleting GKE NodePool", 10, 2)
if waitErr != nil {
return waitErr
}
log.Printf("[INFO] GKE NodePool %s has been deleted", d.Id())
d.SetId("")
return nil
}
func resourceContainerNodePoolExists(d *schema.ResourceData, meta interface{}) (bool, error) {
config := meta.(*Config)
project, err := getProject(d, config)
if err != nil {
return false, err
}
zone := d.Get("zone").(string)
name := d.Get("name").(string)
cluster := d.Get("cluster").(string)
_, err = config.clientContainer.Projects.Zones.Clusters.NodePools.Get(
project, zone, cluster, name).Do()
if err != nil {
if gerr, ok := err.(*googleapi.Error); ok && gerr.Code == 404 {
log.Printf("[WARN] Removing Container NodePool %q because it's gone", name)
// The resource doesn't exist anymore
return false, err
}
// There was some other error in reading the resource
return true, err
}
return true, nil
}