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resource_spotinst_ocean_gke_import.go
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resource_spotinst_ocean_gke_import.go
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package spotinst
import (
"context"
"fmt"
"log"
"time"
"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
"github.com/spotinst/spotinst-sdk-go/service/ocean/providers/gcp"
"github.com/spotinst/spotinst-sdk-go/spotinst"
"github.com/spotinst/spotinst-sdk-go/spotinst/client"
"github.com/spotinst/terraform-provider-spotinst/spotinst/commons"
"github.com/spotinst/terraform-provider-spotinst/spotinst/ocean_gke_import"
"github.com/spotinst/terraform-provider-spotinst/spotinst/ocean_gke_import_autoscaler"
"github.com/spotinst/terraform-provider-spotinst/spotinst/ocean_gke_import_launch_specification"
"github.com/spotinst/terraform-provider-spotinst/spotinst/ocean_gke_import_scheduling"
"github.com/spotinst/terraform-provider-spotinst/spotinst/ocean_gke_import_strategy"
)
func resourceSpotinstOceanGKEImport() *schema.Resource {
setupClusterGKEImportResource()
return &schema.Resource{
CreateContext: resourceSpotinstClusterGKEImportCreate,
ReadContext: resourceSpotinstClusterGKEImportRead,
UpdateContext: resourceSpotinstClusterGKEImportUpdate,
DeleteContext: resourceSpotinstClusterGKEImportDelete,
Importer: &schema.ResourceImporter{
StateContext: schema.ImportStatePassthroughContext,
},
Schema: commons.OceanGKEImportResource.GetSchemaMap(),
}
}
func setupClusterGKEImportResource() {
fieldsMap := make(map[commons.FieldName]*commons.GenericField)
ocean_gke_import.Setup(fieldsMap)
ocean_gke_import_scheduling.Setup(fieldsMap)
ocean_gke_import_autoscaler.Setup(fieldsMap)
ocean_gke_import_launch_specification.Setup(fieldsMap)
ocean_gke_import_strategy.Setup(fieldsMap)
commons.OceanGKEImportResource = commons.NewOceanGKEImportResource(fieldsMap)
}
func importOceanGKECluster(resourceData *schema.ResourceData, meta interface{}) (*gcp.Cluster, error) {
input := &gcp.ImportOceanGKEClusterInput{
ClusterName: spotinst.String(resourceData.Get("cluster_name").(string)),
Location: spotinst.String(resourceData.Get("location").(string)),
}
resp, err := meta.(*Client).ocean.CloudProviderGCP().ImportOceanGKECluster(context.Background(), input)
if err != nil {
// If the group was not found, return nil so that we can show
// that the group is gone.
if errs, ok := err.(client.Errors); ok && len(errs) > 0 {
for _, err := range errs {
if err.Code == ErrCodeClusterNotFound {
resourceData.SetId("")
return nil, err
}
}
}
// Some other error, report it.
return nil, fmt.Errorf("ocean GKE: import failed to read group: %s", err)
}
return resp.Cluster, err
}
func resourceSpotinstClusterGKEImportCreate(ctx context.Context, resourceData *schema.ResourceData, meta interface{}) diag.Diagnostics {
log.Printf(string(commons.ResourceOnCreate),
commons.OceanGKEImportResource.GetName())
importedCluster, err := importOceanGKECluster(resourceData, meta.(*Client))
if err != nil {
return diag.FromErr(err)
}
cluster, err := commons.OceanGKEImportResource.OnCreate(importedCluster, resourceData, meta)
if err != nil {
return diag.FromErr(err)
}
clusterID, err := createGKEImportedCluster(cluster, meta.(*Client))
if err != nil {
return diag.FromErr(err)
}
resourceData.SetId(spotinst.StringValue(clusterID))
log.Printf("===> GKE imported cluster created successfully: %s <===", resourceData.Id())
return resourceSpotinstClusterGKEImportRead(ctx, resourceData, meta)
}
func createGKEImportedCluster(cluster *gcp.Cluster, spotinstClient *Client) (*string, error) {
if json, err := commons.ToJson(cluster); err != nil {
return nil, err
} else {
log.Printf("===> Cluster GKE import configuration: %s", json)
}
var resp *gcp.CreateClusterOutput = nil
err := resource.RetryContext(context.Background(), time.Minute, func() *resource.RetryError {
input := &gcp.CreateClusterInput{Cluster: cluster}
r, err := spotinstClient.ocean.CloudProviderGCP().CreateCluster(context.Background(), input)
if err != nil {
// Some other error, report it.
return resource.NonRetryableError(err)
}
resp = r
return nil
})
if err != nil {
return nil, fmt.Errorf("[ERROR] failed to create GKE imported cluster: %s", err)
}
return resp.Cluster.ID, nil
}
func resourceSpotinstClusterGKEImportRead(ctx context.Context, resourceData *schema.ResourceData, meta interface{}) diag.Diagnostics {
id := resourceData.Id()
log.Printf(string(commons.ResourceOnRead),
commons.OceanGKEImportResource.GetName(), id)
input := &gcp.ReadClusterInput{ClusterID: spotinst.String(id)}
resp, err := meta.(*Client).ocean.CloudProviderGCP().ReadCluster(context.Background(), input)
if err != nil {
// If the cluster was not found, return nil so that we can show
// that the group does not exist
if errs, ok := err.(client.Errors); ok && len(errs) > 0 {
for _, err := range errs {
if err.Code == ErrCodeClusterNotFound {
resourceData.SetId("")
return nil
}
}
}
// Some other error, report it.
return diag.Errorf("failed to read GKE cluster: %s", err)
}
// if nothing was found, return no state
clusterResponse := resp.Cluster
if clusterResponse == nil {
resourceData.SetId("")
return nil
}
// Expose the controller cluster identifier.
if clusterResponse.ControllerClusterID != nil {
for _, key := range []commons.FieldName{
ocean_gke_import.ControllerClusterID,
ocean_gke_import.ClusterControllerID, // maintains backward compatibility
} {
if err := resourceData.Set(string(key), *clusterResponse.ControllerClusterID); err != nil {
log.Printf("[ERROR] Failed to set %q", string(key))
}
}
}
if err := commons.OceanGKEImportResource.OnRead(clusterResponse, resourceData, meta); err != nil {
return diag.FromErr(err)
}
log.Printf("===> GKE cluster read successfully: %s <===", id)
return nil
}
func resourceSpotinstClusterGKEImportUpdate(ctx context.Context, resourceData *schema.ResourceData, meta interface{}) diag.Diagnostics {
id := resourceData.Id()
log.Printf(string(commons.ResourceOnUpdate),
commons.OceanGKEImportResource.GetName(), id)
shouldUpdate, changesRequiredRoll, cluster, err := commons.OceanGKEImportResource.OnUpdate(resourceData, meta)
if err != nil {
return diag.FromErr(err)
}
if shouldUpdate {
cluster.SetId(spotinst.String(id))
if err := updateGKEImportCluster(cluster, resourceData, meta, changesRequiredRoll); err != nil {
return diag.FromErr(err)
}
}
log.Printf("===> GLE Cluster updated successfully: %s <===", id)
return resourceSpotinstClusterGKEImportRead(ctx, resourceData, meta)
}
func updateGKEImportCluster(cluster *gcp.Cluster, resourceData *schema.ResourceData, meta interface{}, changesRequiredRoll bool) error {
var input = &gcp.UpdateClusterInput{
Cluster: cluster,
}
var shouldRoll = false
var conditionedRoll = false
clusterID := resourceData.Id()
if updatePolicy, exists := resourceData.GetOkExists(string(ocean_gke_import.UpdatePolicy)); exists {
list := updatePolicy.([]interface{})
if len(list) > 0 && list[0] != nil {
m := list[0].(map[string]interface{})
if roll, ok := m[string(ocean_gke_import.ShouldRoll)].(bool); ok && roll {
shouldRoll = roll
}
if condRoll, ok := m[string(ocean_gke_import.ConditionedRoll)].(bool); ok && condRoll {
conditionedRoll = condRoll
}
}
}
if json, err := commons.ToJson(cluster); err != nil {
return err
} else {
log.Printf("===> GKE Cluster update configuration: %s", json)
}
if _, err := meta.(*Client).ocean.CloudProviderGCP().UpdateCluster(context.Background(), input); err != nil {
return fmt.Errorf("[ERROR] Failed to update GKE cluster [%v]: %v", clusterID, err)
} else if shouldRoll {
if !conditionedRoll || changesRequiredRoll {
if err := rollOceanGKECluster(resourceData, meta); err != nil {
log.Printf("[ERROR] Cluster [%v] roll failed, error: %v", clusterID, err)
return err
}
}
} else {
log.Printf("onRoll() -> Field [%v] is false, skipping cluster roll", string(ocean_gke_import.ShouldRoll))
}
return nil
}
func resourceSpotinstClusterGKEImportDelete(ctx context.Context, resourceData *schema.ResourceData, meta interface{}) diag.Diagnostics {
id := resourceData.Id()
log.Printf(string(commons.ResourceOnDelete),
commons.OceanGKEImportResource.GetName(), id)
if err := deleteGKEImportCluster(resourceData, meta); err != nil {
return diag.FromErr(err)
}
log.Printf("===> GKE Cluster deleted successfully: %s <===", resourceData.Id())
resourceData.SetId("")
return nil
}
func deleteGKEImportCluster(resourceData *schema.ResourceData, meta interface{}) error {
clusterID := resourceData.Id()
input := &gcp.DeleteClusterInput{
ClusterID: spotinst.String(clusterID),
}
if json, err := commons.ToJson(input); err != nil {
return err
} else {
log.Printf("===> GKE Cluster delete configuration: %s", json)
}
if _, err := meta.(*Client).ocean.CloudProviderGCP().DeleteCluster(context.Background(), input); err != nil {
return fmt.Errorf("[ERROR] onDelete() -> Failed to delete GKE cluster: %s", err)
}
return nil
}
func rollOceanGKECluster(resourceData *schema.ResourceData, meta interface{}) error {
clusterID := resourceData.Id()
updatePolicy, exists := resourceData.GetOkExists(string(ocean_gke_import.UpdatePolicy))
if !exists {
return fmt.Errorf("ocean/gke: missing update policy for cluster %q", clusterID)
}
list := updatePolicy.([]interface{})
if len(list) > 0 && list[0] != nil {
updateClusterSchema := list[0].(map[string]interface{})
rollConfig, ok := updateClusterSchema[string(ocean_gke_import.RollConfig)]
if !ok || rollConfig == nil {
return fmt.Errorf("ocean/gke: missing roll configuration, "+
"skipping roll for cluster %q", clusterID)
}
rollSpec, err := expandOceanGKEClusterRollConfig(rollConfig, clusterID)
if err != nil {
return fmt.Errorf("ocean/gke: failed expanding roll "+
"configuration for cluster %q, error: %v", clusterID, err)
}
rollJSON, err := commons.ToJson(rollConfig)
if err != nil {
return fmt.Errorf("ocean/gke: failed marshaling roll "+
"configuration for cluster %q, error: %v", clusterID, err)
}
log.Printf("onRoll() -> Rolling cluster [%v] with configuration %s", clusterID, rollJSON)
rollInput := &gcp.CreateRollInput{Roll: rollSpec}
if _, err = meta.(*Client).ocean.CloudProviderGCP().CreateRoll(context.TODO(), rollInput); err != nil {
return fmt.Errorf("onRoll() -> Roll failed for cluster [%v], error: %v", clusterID, err)
}
log.Printf("onRoll() -> Successfully rolled cluster [%v]", clusterID)
}
return nil
}
func expandOceanGKEClusterRollConfig(data interface{}, clusterID string) (*gcp.RollSpec, error) {
list := data.([]interface{})
spec := &gcp.RollSpec{
ClusterID: spotinst.String(clusterID),
}
if list != nil && list[0] != nil {
m := list[0].(map[string]interface{})
if v, ok := m[string(ocean_gke_import.BatchSizePercentage)].(int); ok {
spec.BatchSizePercentage = spotinst.Int(v)
}
if v, ok := m[string(ocean_gke_import.LaunchSpecIDs)].([]string); ok {
spec.LaunchSpecIDs = expandOceanGKELaunchSpecIDs(v)
}
if v, ok := m[string(ocean_gke_import.BatchMinHealthyPercentage)].(int); ok && v > 0 {
spec.BatchMinHealthyPercentage = spotinst.Int(v)
}
}
return spec, nil
}
func expandOceanGKELaunchSpecIDs(data interface{}) []string {
list := data.([]interface{})
result := make([]string, 0, len(list))
for _, v := range list {
if ls, ok := v.(string); ok && ls != "" {
result = append(result, ls)
}
}
return result
}