455 lines
12 KiB
Go
455 lines
12 KiB
Go
package google
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import (
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"fmt"
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"log"
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"net"
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"regexp"
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"time"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/helper/schema"
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"google.golang.org/api/container/v1"
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"google.golang.org/api/googleapi"
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)
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func resourceContainerCluster() *schema.Resource {
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return &schema.Resource{
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Create: resourceContainerClusterCreate,
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Read: resourceContainerClusterRead,
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Update: resourceContainerClusterUpdate,
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Delete: resourceContainerClusterDelete,
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Schema: map[string]*schema.Schema{
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"zone": &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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},
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"node_version": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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Computed: true,
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},
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"cluster_ipv4_cidr": &schema.Schema{
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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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ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
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value := v.(string)
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_, ipnet, err := net.ParseCIDR(value)
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if err != nil || ipnet == nil || value != ipnet.String() {
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errors = append(errors, fmt.Errorf(
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"%q must contain a valid CIDR", k))
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}
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return
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},
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},
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"description": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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},
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"endpoint": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"logging_service": &schema.Schema{
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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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"monitoring_service": &schema.Schema{
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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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"master_auth": &schema.Schema{
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Type: schema.TypeList,
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Required: true,
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ForceNew: true,
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Elem: &schema.Resource{
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Schema: map[string]*schema.Schema{
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"client_certificate": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"client_key": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"cluster_ca_certificate": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"password": &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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},
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"username": &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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},
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},
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},
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},
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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: func(v interface{}, k string) (ws []string, errors []error) {
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value := v.(string)
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if len(value) > 40 {
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errors = append(errors, fmt.Errorf(
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"%q cannot be longer than 40 characters", k))
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}
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if !regexp.MustCompile("^[a-z0-9-]+$").MatchString(value) {
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errors = append(errors, fmt.Errorf(
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"%q can only contain lowercase letters, numbers and hyphens", k))
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}
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if !regexp.MustCompile("^[a-z]").MatchString(value) {
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errors = append(errors, fmt.Errorf(
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"%q must start with a letter", k))
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}
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if !regexp.MustCompile("[a-z0-9]$").MatchString(value) {
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errors = append(errors, fmt.Errorf(
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"%q must end with a number or a letter", k))
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}
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return
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},
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},
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"network": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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Default: "default",
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ForceNew: true,
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},
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"node_config": &schema.Schema{
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Type: schema.TypeList,
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Optional: true,
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Computed: true,
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ForceNew: true,
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Elem: &schema.Resource{
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Schema: map[string]*schema.Schema{
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"machine_type": &schema.Schema{
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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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"disk_size_gb": &schema.Schema{
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Type: schema.TypeInt,
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Optional: true,
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Computed: true,
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ForceNew: true,
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ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
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value := v.(int)
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if value < 10 {
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errors = append(errors, fmt.Errorf(
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"%q cannot be less than 10", k))
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}
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return
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},
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},
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"oauth_scopes": &schema.Schema{
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Type: schema.TypeList,
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Elem: &schema.Schema{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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},
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},
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},
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"initial_node_count": &schema.Schema{
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Type: schema.TypeInt,
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Required: true,
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ForceNew: true,
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},
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"instance_group_urls": &schema.Schema{
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Type: schema.TypeList,
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Computed: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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},
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},
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}
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}
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func resourceContainerClusterCreate(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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zoneName := d.Get("zone").(string)
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clusterName := d.Get("name").(string)
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masterAuths := d.Get("master_auth").([]interface{})
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if len(masterAuths) > 1 {
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return fmt.Errorf("Cannot specify more than one master_auth.")
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}
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masterAuth := masterAuths[0].(map[string]interface{})
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cluster := &container.Cluster{
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MasterAuth: &container.MasterAuth{
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Password: masterAuth["password"].(string),
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Username: masterAuth["username"].(string),
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},
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Name: clusterName,
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InitialNodeCount: int64(d.Get("initial_node_count").(int)),
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}
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if v, ok := d.GetOk("cluster_ipv4_cidr"); ok {
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cluster.ClusterIpv4Cidr = v.(string)
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}
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if v, ok := d.GetOk("description"); ok {
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cluster.Description = v.(string)
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}
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if v, ok := d.GetOk("logging_service"); ok {
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cluster.LoggingService = v.(string)
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}
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if v, ok := d.GetOk("monitoring_service"); ok {
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cluster.MonitoringService = v.(string)
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}
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if v, ok := d.GetOk("network"); ok {
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cluster.Network = v.(string)
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}
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if v, ok := d.GetOk("node_config"); ok {
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nodeConfigs := v.([]interface{})
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if len(nodeConfigs) > 1 {
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return fmt.Errorf("Cannot specify more than one node_config.")
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}
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nodeConfig := nodeConfigs[0].(map[string]interface{})
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cluster.NodeConfig = &container.NodeConfig{}
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if v, ok = nodeConfig["machine_type"]; ok {
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cluster.NodeConfig.MachineType = v.(string)
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}
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if v, ok = nodeConfig["disk_size_gb"]; ok {
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cluster.NodeConfig.DiskSizeGb = int64(v.(int))
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}
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if v, ok := nodeConfig["oauth_scopes"]; ok {
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scopesList := v.([]interface{})
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scopes := []string{}
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for _, v := range scopesList {
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scopes = append(scopes, v.(string))
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}
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cluster.NodeConfig.OauthScopes = scopes
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}
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}
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req := &container.CreateClusterRequest{
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Cluster: cluster,
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}
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op, err := config.clientContainer.Projects.Zones.Clusters.Create(
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config.Project, zoneName, req).Do()
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if err != nil {
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return err
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}
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// Wait until it's created
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wait := resource.StateChangeConf{
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Pending: []string{"PENDING", "RUNNING"},
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Target: []string{"DONE"},
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Timeout: 30 * time.Minute,
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MinTimeout: 3 * time.Second,
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Refresh: func() (interface{}, string, error) {
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resp, err := config.clientContainer.Projects.Zones.Operations.Get(
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config.Project, zoneName, op.Name).Do()
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log.Printf("[DEBUG] Progress of creating GKE cluster %s: %s",
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clusterName, resp.Status)
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return resp, resp.Status, err
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},
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}
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_, err = wait.WaitForState()
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if err != nil {
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return err
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}
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log.Printf("[INFO] GKE cluster %s has been created", clusterName)
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d.SetId(clusterName)
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return resourceContainerClusterRead(d, meta)
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}
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func resourceContainerClusterRead(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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zoneName := d.Get("zone").(string)
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cluster, err := config.clientContainer.Projects.Zones.Clusters.Get(
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config.Project, zoneName, d.Get("name").(string)).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] Removing Container Cluster %q because it's gone", d.Get("name").(string))
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// The resource doesn't exist anymore
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d.SetId("")
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return nil
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}
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return err
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}
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d.Set("name", cluster.Name)
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d.Set("zone", cluster.Zone)
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d.Set("endpoint", cluster.Endpoint)
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masterAuth := []map[string]interface{}{
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map[string]interface{}{
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"username": cluster.MasterAuth.Username,
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"password": cluster.MasterAuth.Password,
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"client_certificate": cluster.MasterAuth.ClientCertificate,
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"client_key": cluster.MasterAuth.ClientKey,
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"cluster_ca_certificate": cluster.MasterAuth.ClusterCaCertificate,
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},
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}
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d.Set("master_auth", masterAuth)
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d.Set("initial_node_count", cluster.InitialNodeCount)
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d.Set("node_version", cluster.CurrentNodeVersion)
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d.Set("cluster_ipv4_cidr", cluster.ClusterIpv4Cidr)
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d.Set("description", cluster.Description)
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d.Set("logging_service", cluster.LoggingService)
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d.Set("monitoring_service", cluster.MonitoringService)
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d.Set("network", cluster.Network)
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d.Set("node_config", flattenClusterNodeConfig(cluster.NodeConfig))
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d.Set("instance_group_urls", cluster.InstanceGroupUrls)
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return nil
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}
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func resourceContainerClusterUpdate(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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zoneName := d.Get("zone").(string)
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clusterName := d.Get("name").(string)
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desiredNodeVersion := d.Get("node_version").(string)
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req := &container.UpdateClusterRequest{
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Update: &container.ClusterUpdate{
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DesiredNodeVersion: desiredNodeVersion,
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},
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}
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op, err := config.clientContainer.Projects.Zones.Clusters.Update(
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config.Project, zoneName, clusterName, req).Do()
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if err != nil {
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return err
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}
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// Wait until it's updated
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wait := resource.StateChangeConf{
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Pending: []string{"PENDING", "RUNNING"},
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Target: []string{"DONE"},
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Timeout: 10 * time.Minute,
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MinTimeout: 2 * time.Second,
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Refresh: func() (interface{}, string, error) {
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log.Printf("[DEBUG] Checking if GKE cluster %s is updated", clusterName)
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resp, err := config.clientContainer.Projects.Zones.Operations.Get(
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config.Project, zoneName, op.Name).Do()
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log.Printf("[DEBUG] Progress of updating GKE cluster %s: %s",
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clusterName, resp.Status)
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return resp, resp.Status, err
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},
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}
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_, err = wait.WaitForState()
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if err != nil {
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return err
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}
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log.Printf("[INFO] GKE cluster %s has been updated to %s", d.Id(),
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desiredNodeVersion)
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return resourceContainerClusterRead(d, meta)
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}
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func resourceContainerClusterDelete(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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zoneName := d.Get("zone").(string)
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clusterName := d.Get("name").(string)
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log.Printf("[DEBUG] Deleting GKE cluster %s", d.Get("name").(string))
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op, err := config.clientContainer.Projects.Zones.Clusters.Delete(
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config.Project, zoneName, clusterName).Do()
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if err != nil {
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return err
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}
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// Wait until it's deleted
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wait := resource.StateChangeConf{
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Pending: []string{"PENDING", "RUNNING"},
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Target: []string{"DONE"},
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Timeout: 10 * time.Minute,
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MinTimeout: 3 * time.Second,
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Refresh: func() (interface{}, string, error) {
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log.Printf("[DEBUG] Checking if GKE cluster %s is deleted", clusterName)
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resp, err := config.clientContainer.Projects.Zones.Operations.Get(
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config.Project, zoneName, op.Name).Do()
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log.Printf("[DEBUG] Progress of deleting GKE cluster %s: %s",
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clusterName, resp.Status)
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return resp, resp.Status, err
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},
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}
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_, err = wait.WaitForState()
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if err != nil {
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return err
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}
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log.Printf("[INFO] GKE cluster %s has been deleted", d.Id())
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d.SetId("")
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return nil
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}
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func flattenClusterNodeConfig(c *container.NodeConfig) []map[string]interface{} {
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config := []map[string]interface{}{
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map[string]interface{}{
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"machine_type": c.MachineType,
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"disk_size_gb": c.DiskSizeGb,
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},
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}
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if len(c.OauthScopes) > 0 {
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config[0]["oauth_scopes"] = c.OauthScopes
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}
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return config
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}
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