cloudstack/resource_cloudstack_kubernetes_cluster.go - cloudstack-terraform-provider - Git at Google

 //
 // Licensed to the Apache Software Foundation (ASF) under one
 // or more contributor license agreements.  See the NOTICE file
 // distributed with this work for additional information
 // regarding copyright ownership.  The ASF licenses this file
 // to you under the Apache License, Version 2.0 (the
 // "License"); you may not use this file except in compliance
 // with the License.  You may obtain a copy of the License at
 //
 //   http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing,
 // software distributed under the License is distributed on an
 // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 // KIND, either express or implied.  See the License for the
 // specific language governing permissions and limitations
 // under the License.
 //

 package cloudstack

 import (
 	"fmt"
 	"log"
 	"strings"

 	"github.com/apache/cloudstack-go/v2/cloudstack"
 	"github.com/hashicorp/terraform/helper/schema"
 )

 func resourceCloudStackKubernetesCluster() *schema.Resource {
 	return &schema.Resource{
 		Create: resourceCloudStackKubernetesClusterCreate,
 		Read:   resourceCloudStackKubernetesClusterRead,
 		Update: resourceCloudStackKubernetesClusterUpdate,
 		Delete: resourceCloudStackKubernetesClusterDelete,
 		Importer: &schema.ResourceImporter{
 			State: importStatePassthrough,
 		},

 		Schema: map[string]*schema.Schema{
 			"name": {
 				Type:     schema.TypeString,
 				Required: true,
 				ForceNew: true,
 			},

 			"zone": {
 				Type:     schema.TypeString,
 				Required: true,
 				ForceNew: true,
 			},

 			"kubernetes_version": {
 				Type:     schema.TypeString,
 				Required: true,
 			},

 			"service_offering": {
 				Type:     schema.TypeString,
 				Required: true,
 			},

 			// Begin optional params
 			"size": {
 				Type:     schema.TypeInt,
 				Optional: true,
 				Default:  1,
 			},

 			"autoscaling_enabled": {
 				Type:     schema.TypeBool,
 				Optional: true,
 			},

 			"min_size": {
 				Type:     schema.TypeInt,
 				Optional: true,
 			},

 			"max_size": {
 				Type:     schema.TypeInt,
 				Optional: true,
 			},

 			"control_nodes_size": {
 				Type:     schema.TypeInt,
 				Optional: true,
 				Computed: true,
 				ForceNew: true, // For now
 			},

 			"description": {
 				Type:     schema.TypeString,
 				Optional: true,
 				Computed: true,
 			},

 			"keypair": {
 				Type:     schema.TypeString,
 				Optional: true,
 				ForceNew: true,
 			},

 			"network_id": {
 				Type:     schema.TypeString,
 				Optional: true,
 				Computed: true,
 				ForceNew: true,
 			},

 			"ip_address": {
 				Type:     schema.TypeString,
 				Computed: true,
 			},

 			"state": {
 				Type:     schema.TypeString,
 				Optional: true,
 				Computed: true,
 				// Default:  "Running",
 			},

 			"project": {
 				Type:     schema.TypeString,
 				Optional: true,
 				ForceNew: true,
 			},
 		},
 	}
 }

 func resourceCloudStackKubernetesClusterCreate(d *schema.ResourceData, meta interface{}) error {
 	cs := meta.(*cloudstack.CloudStackClient)

 	// State is always Running when created
 	if state, ok := d.GetOk("state"); ok {
 		if state.(string) != "Running" {
 			return fmt.Errorf("State must be 'Running' when first creating a cluster")
 		}
 	}

 	name := d.Get("name").(string)
 	size := int64(d.Get("size").(int))
 	serviceOfferingID, e := retrieveID(cs, "service_offering", d.Get("service_offering").(string))
 	if e != nil {
 		return e.Error()
 	}
 	zoneID, e := retrieveID(cs, "zone", d.Get("zone").(string))
 	if e != nil {
 		return e.Error()
 	}
 	kubernetesVersionID, e := retrieveID(cs, "kubernetes_version", d.Get("kubernetes_version").(string))
 	if e != nil {
 		return e.Error()
 	}

 	// Create a new parameter struct
 	p := cs.Kubernetes.NewCreateKubernetesClusterParams(name, kubernetesVersionID, name, serviceOfferingID, size, zoneID)

 	// Set optional params
 	if description, ok := d.GetOk("description"); ok {
 		p.SetDescription(description.(string))
 	}
 	if keypair, ok := d.GetOk("keypair"); ok {
 		p.SetKeypair(keypair.(string))
 	}
 	if networkID, ok := d.GetOk("network_id"); ok {
 		p.SetNetworkid(networkID.(string))
 	}
 	if controlNodesSize, ok := d.GetOk("control_nodes_size"); ok {
 		p.SetControlnodes(int64(controlNodesSize.(int)))
 	}

 	// If there is a project supplied, we retrieve and set the project id
 	if err := setProjectid(p, cs, d); err != nil {
 		return err
 	}

 	log.Printf("[DEBUG] Creating Kubernetes Cluster %s", name)
 	r, err := cs.Kubernetes.CreateKubernetesCluster(p)
 	if err != nil {
 		return err
 	}

 	log.Printf("[DEBUG] Kubernetes Cluster %s successfully created", name)
 	d.SetId(r.Id)

 	if _, ok := d.GetOk("autoscaling_enabled"); ok {
 		err = autoscaleKubernetesCluster(d, meta)
 		if err != nil {
 			return err
 		}
 	}

 	return resourceCloudStackKubernetesClusterRead(d, meta)
 }

 func resourceCloudStackKubernetesClusterRead(d *schema.ResourceData, meta interface{}) error {
 	cs := meta.(*cloudstack.CloudStackClient)

 	log.Printf("[DEBUG] Retrieving Kubernetes Cluster %s", d.Get("name").(string))

 	// Get the Kubernetes Cluster details
 	cluster, count, err := cs.Kubernetes.GetKubernetesClusterByID(
 		d.Id(),
 		cloudstack.WithProject(d.Get("project").(string)),
 	)
 	if err != nil {
 		if count == 0 {
 			log.Printf("[DEBUG] Kubernetes Cluster %s does not longer exist", d.Get("name").(string))
 			d.SetId("")
 			return nil
 		}

 		return err
 	}

 	// Update the config
 	d.SetId(cluster.Id)
 	d.Set("name", cluster.Name)
 	d.Set("description", cluster.Description)
 	d.Set("control_nodes_size", cluster.Controlnodes)
 	d.Set("size", cluster.Size)
 	d.Set("autoscaling_enabled", cluster.Autoscalingenabled)
 	d.Set("min_size", cluster.Minsize)
 	d.Set("max_size", cluster.Maxsize)
 	d.Set("keypair", cluster.Keypair)
 	d.Set("network_id", cluster.Networkid)
 	d.Set("ip_address", cluster.Ipaddress)
 	d.Set("state", cluster.State)

 	setValueOrID(d, "kubernetes_version", cluster.Kubernetesversionname, cluster.Kubernetesversionid)
 	setValueOrID(d, "service_offering", cluster.Serviceofferingname, cluster.Serviceofferingid)
 	setValueOrID(d, "project", cluster.Project, cluster.Projectid)
 	setValueOrID(d, "zone", cluster.Zonename, cluster.Zoneid)

 	return nil
 }

 func autoscaleKubernetesCluster(d *schema.ResourceData, meta interface{}) error {
 	cs := meta.(*cloudstack.CloudStackClient)
 	p := cs.Kubernetes.NewScaleKubernetesClusterParams(d.Id())
 	p.SetAutoscalingenabled(d.Get("autoscaling_enabled").(bool))
 	p.SetMinsize(int64(d.Get("min_size").(int)))
 	p.SetMaxsize(int64(d.Get("max_size").(int)))
 	_, err := cs.Kubernetes.ScaleKubernetesCluster(p)
 	return err
 }

 func resourceCloudStackKubernetesClusterUpdate(d *schema.ResourceData, meta interface{}) error {
 	cs := meta.(*cloudstack.CloudStackClient)
 	d.Partial(true)

 	if d.HasChange("service_offering") || d.HasChange("size") {
 		p := cs.Kubernetes.NewScaleKubernetesClusterParams(d.Id())
 		serviceOfferingID, e := retrieveID(cs, "service_offering", d.Get("service_offering").(string))
 		if e != nil {
 			return e.Error()
 		}
 		p.SetServiceofferingid(serviceOfferingID)
 		p.SetSize(int64(d.Get("size").(int)))
 		_, err := cs.Kubernetes.ScaleKubernetesCluster(p)
 		if err != nil {
 			return fmt.Errorf(
 				"Error Scaling Kubernetes Cluster %s: %s", d.Id(), err)
 		}
 		d.SetPartial("service_offering")
 		d.SetPartial("size")
 	}

 	if d.HasChange("autoscaling_enabled") || d.HasChange("min_size") || d.HasChange("max_size") {
 		err := autoscaleKubernetesCluster(d, meta)
 		if err != nil {
 			return err
 		}
 		d.SetPartial("autoscaling_enabled")
 		d.SetPartial("min_size")
 		d.SetPartial("max_size")
 	}

 	if d.HasChange("kubernetes_version") {
 		kubernetesVersionID, e := retrieveID(cs, "kubernetes_version", d.Get("kubernetes_version").(string))
 		if e != nil {
 			return e.Error()
 		}
 		p := cs.Kubernetes.NewUpgradeKubernetesClusterParams(d.Id(), kubernetesVersionID)
 		_, err := cs.Kubernetes.UpgradeKubernetesCluster(p)
 		if err != nil {
 			return fmt.Errorf(
 				"Error Upgrading Kubernetes Cluster %s: %s", d.Id(), err)
 		}
 		d.SetPartial("kubernetes_version")
 	}

 	if d.HasChange("state") {
 		state := d.Get("state").(string)
 		switch state {
 		case "Running":
 			p := cs.Kubernetes.NewStartKubernetesClusterParams(d.Id())
 			_, err := cs.Kubernetes.StartKubernetesCluster(p)
 			if err != nil {
 				return fmt.Errorf(
 					"Error Starting Kubernetes Cluster %s: %s", d.Id(), err)
 			}
 		case "Stopped":
 			p := cs.Kubernetes.NewStopKubernetesClusterParams(d.Id())
 			_, err := cs.Kubernetes.StopKubernetesCluster(p)
 			if err != nil {
 				return fmt.Errorf(
 					"Error Stopping Kubernetes Cluster %s: %s", d.Id(), err)
 			}
 		default:
 			return fmt.Errorf("State must either be 'Running' or 'Stopped'")
 		}
 		d.SetPartial("state")
 	}

 	d.Partial(false)
 	return resourceCloudStackKubernetesClusterRead(d, meta)
 }

 func resourceCloudStackKubernetesClusterDelete(d *schema.ResourceData, meta interface{}) error {
 	cs := meta.(*cloudstack.CloudStackClient)

 	// Create a new parameter struct
 	p := cs.Kubernetes.NewDeleteKubernetesClusterParams(d.Id())

 	// Delete the Kubernetes Cluster
 	_, err := cs.Kubernetes.DeleteKubernetesCluster(p)
 	if err != nil {
 		// This is a very poor way to be told the ID does no longer exist :(
 		if strings.Contains(err.Error(), fmt.Sprintf(
 			"Invalid parameter id value=%s due to incorrect long value format, "+
 				"or entity does not exist", d.Id())) {
 			return nil
 		}

 		return fmt.Errorf("Error deleting Kubernetes Cluster: %s", err)
 	}

 	return nil
 }
	//
	// Licensed to the Apache Software Foundation (ASF) under one
	// or more contributor license agreements. See the NOTICE file
	// distributed with this work for additional information
	// regarding copyright ownership. The ASF licenses this file
	// to you under the Apache License, Version 2.0 (the
	// "License"); you may not use this file except in compliance
	// with the License. You may obtain a copy of the License at
	//
	// http://www.apache.org/licenses/LICENSE-2.0
	//
	// Unless required by applicable law or agreed to in writing,
	// software distributed under the License is distributed on an
	// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	// KIND, either express or implied. See the License for the
	// specific language governing permissions and limitations
	// under the License.
	//

	package cloudstack

	import (
	"fmt"
	"log"
	"strings"

	"github.com/apache/cloudstack-go/v2/cloudstack"
	"github.com/hashicorp/terraform/helper/schema"
	)

	func resourceCloudStackKubernetesCluster() *schema.Resource {
	return &schema.Resource{
	Create: resourceCloudStackKubernetesClusterCreate,
	Read: resourceCloudStackKubernetesClusterRead,
	Update: resourceCloudStackKubernetesClusterUpdate,
	Delete: resourceCloudStackKubernetesClusterDelete,
	Importer: &schema.ResourceImporter{
	State: importStatePassthrough,
	},

	Schema: map[string]*schema.Schema{
	"name": {
	Type: schema.TypeString,
	Required: true,
	ForceNew: true,
	},

	"zone": {
	Type: schema.TypeString,
	Required: true,
	ForceNew: true,
	},

	"kubernetes_version": {
	Type: schema.TypeString,
	Required: true,
	},

	"service_offering": {
	Type: schema.TypeString,
	Required: true,
	},

	// Begin optional params
	"size": {
	Type: schema.TypeInt,
	Optional: true,
	Default: 1,
	},

	"autoscaling_enabled": {
	Type: schema.TypeBool,
	Optional: true,
	},

	"min_size": {
	Type: schema.TypeInt,
	Optional: true,
	},

	"max_size": {
	Type: schema.TypeInt,
	Optional: true,
	},

	"control_nodes_size": {
	Type: schema.TypeInt,
	Optional: true,
	Computed: true,
	ForceNew: true, // For now
	},

	"description": {
	Type: schema.TypeString,
	Optional: true,
	Computed: true,
	},

	"keypair": {
	Type: schema.TypeString,
	Optional: true,
	ForceNew: true,
	},

	"network_id": {
	Type: schema.TypeString,
	Optional: true,
	Computed: true,
	ForceNew: true,
	},

	"ip_address": {
	Type: schema.TypeString,
	Computed: true,
	},

	"state": {
	Type: schema.TypeString,
	Optional: true,
	Computed: true,
	// Default: "Running",
	},

	"project": {
	Type: schema.TypeString,
	Optional: true,
	ForceNew: true,
	},
	},
	}
	}

	func resourceCloudStackKubernetesClusterCreate(d *schema.ResourceData, meta interface{}) error {
	cs := meta.(*cloudstack.CloudStackClient)

	// State is always Running when created
	if state, ok := d.GetOk("state"); ok {
	if state.(string) != "Running" {
	return fmt.Errorf("State must be 'Running' when first creating a cluster")
	}
	}

	name := d.Get("name").(string)
	size := int64(d.Get("size").(int))
	serviceOfferingID, e := retrieveID(cs, "service_offering", d.Get("service_offering").(string))
	if e != nil {
	return e.Error()
	}
	zoneID, e := retrieveID(cs, "zone", d.Get("zone").(string))
	if e != nil {
	return e.Error()
	}
	kubernetesVersionID, e := retrieveID(cs, "kubernetes_version", d.Get("kubernetes_version").(string))
	if e != nil {
	return e.Error()
	}

	// Create a new parameter struct
	p := cs.Kubernetes.NewCreateKubernetesClusterParams(name, kubernetesVersionID, name, serviceOfferingID, size, zoneID)

	// Set optional params
	if description, ok := d.GetOk("description"); ok {
	p.SetDescription(description.(string))
	}
	if keypair, ok := d.GetOk("keypair"); ok {
	p.SetKeypair(keypair.(string))
	}
	if networkID, ok := d.GetOk("network_id"); ok {
	p.SetNetworkid(networkID.(string))
	}
	if controlNodesSize, ok := d.GetOk("control_nodes_size"); ok {
	p.SetControlnodes(int64(controlNodesSize.(int)))
	}

	// If there is a project supplied, we retrieve and set the project id
	if err := setProjectid(p, cs, d); err != nil {
	return err
	}

	log.Printf("[DEBUG] Creating Kubernetes Cluster %s", name)
	r, err := cs.Kubernetes.CreateKubernetesCluster(p)
	if err != nil {
	return err
	}

	log.Printf("[DEBUG] Kubernetes Cluster %s successfully created", name)
	d.SetId(r.Id)

	if _, ok := d.GetOk("autoscaling_enabled"); ok {
	err = autoscaleKubernetesCluster(d, meta)
	if err != nil {
	return err
	}
	}

	return resourceCloudStackKubernetesClusterRead(d, meta)
	}

	func resourceCloudStackKubernetesClusterRead(d *schema.ResourceData, meta interface{}) error {
	cs := meta.(*cloudstack.CloudStackClient)

	log.Printf("[DEBUG] Retrieving Kubernetes Cluster %s", d.Get("name").(string))

	// Get the Kubernetes Cluster details
	cluster, count, err := cs.Kubernetes.GetKubernetesClusterByID(
	d.Id(),
	cloudstack.WithProject(d.Get("project").(string)),
	)
	if err != nil {
	if count == 0 {
	log.Printf("[DEBUG] Kubernetes Cluster %s does not longer exist", d.Get("name").(string))
	d.SetId("")
	return nil
	}

	return err
	}

	// Update the config
	d.SetId(cluster.Id)
	d.Set("name", cluster.Name)
	d.Set("description", cluster.Description)
	d.Set("control_nodes_size", cluster.Controlnodes)
	d.Set("size", cluster.Size)
	d.Set("autoscaling_enabled", cluster.Autoscalingenabled)
	d.Set("min_size", cluster.Minsize)
	d.Set("max_size", cluster.Maxsize)
	d.Set("keypair", cluster.Keypair)
	d.Set("network_id", cluster.Networkid)
	d.Set("ip_address", cluster.Ipaddress)
	d.Set("state", cluster.State)

	setValueOrID(d, "kubernetes_version", cluster.Kubernetesversionname, cluster.Kubernetesversionid)
	setValueOrID(d, "service_offering", cluster.Serviceofferingname, cluster.Serviceofferingid)
	setValueOrID(d, "project", cluster.Project, cluster.Projectid)
	setValueOrID(d, "zone", cluster.Zonename, cluster.Zoneid)

	return nil
	}

	func autoscaleKubernetesCluster(d *schema.ResourceData, meta interface{}) error {
	cs := meta.(*cloudstack.CloudStackClient)
	p := cs.Kubernetes.NewScaleKubernetesClusterParams(d.Id())
	p.SetAutoscalingenabled(d.Get("autoscaling_enabled").(bool))
	p.SetMinsize(int64(d.Get("min_size").(int)))
	p.SetMaxsize(int64(d.Get("max_size").(int)))
	_, err := cs.Kubernetes.ScaleKubernetesCluster(p)
	return err
	}

	func resourceCloudStackKubernetesClusterUpdate(d *schema.ResourceData, meta interface{}) error {
	cs := meta.(*cloudstack.CloudStackClient)
	d.Partial(true)

	if d.HasChange("service_offering") \|\| d.HasChange("size") {
	p := cs.Kubernetes.NewScaleKubernetesClusterParams(d.Id())
	serviceOfferingID, e := retrieveID(cs, "service_offering", d.Get("service_offering").(string))
	if e != nil {
	return e.Error()
	}
	p.SetServiceofferingid(serviceOfferingID)
	p.SetSize(int64(d.Get("size").(int)))
	_, err := cs.Kubernetes.ScaleKubernetesCluster(p)
	if err != nil {
	return fmt.Errorf(
	"Error Scaling Kubernetes Cluster %s: %s", d.Id(), err)
	}
	d.SetPartial("service_offering")
	d.SetPartial("size")
	}

	if d.HasChange("autoscaling_enabled") \|\| d.HasChange("min_size") \|\| d.HasChange("max_size") {
	err := autoscaleKubernetesCluster(d, meta)
	if err != nil {
	return err
	}
	d.SetPartial("autoscaling_enabled")
	d.SetPartial("min_size")
	d.SetPartial("max_size")
	}

	if d.HasChange("kubernetes_version") {
	kubernetesVersionID, e := retrieveID(cs, "kubernetes_version", d.Get("kubernetes_version").(string))
	if e != nil {
	return e.Error()
	}
	p := cs.Kubernetes.NewUpgradeKubernetesClusterParams(d.Id(), kubernetesVersionID)
	_, err := cs.Kubernetes.UpgradeKubernetesCluster(p)
	if err != nil {
	return fmt.Errorf(
	"Error Upgrading Kubernetes Cluster %s: %s", d.Id(), err)
	}
	d.SetPartial("kubernetes_version")
	}

	if d.HasChange("state") {
	state := d.Get("state").(string)
	switch state {
	case "Running":
	p := cs.Kubernetes.NewStartKubernetesClusterParams(d.Id())
	_, err := cs.Kubernetes.StartKubernetesCluster(p)
	if err != nil {
	return fmt.Errorf(
	"Error Starting Kubernetes Cluster %s: %s", d.Id(), err)
	}
	case "Stopped":
	p := cs.Kubernetes.NewStopKubernetesClusterParams(d.Id())
	_, err := cs.Kubernetes.StopKubernetesCluster(p)
	if err != nil {
	return fmt.Errorf(
	"Error Stopping Kubernetes Cluster %s: %s", d.Id(), err)
	}
	default:
	return fmt.Errorf("State must either be 'Running' or 'Stopped'")
	}
	d.SetPartial("state")
	}

	d.Partial(false)
	return resourceCloudStackKubernetesClusterRead(d, meta)
	}

	func resourceCloudStackKubernetesClusterDelete(d *schema.ResourceData, meta interface{}) error {
	cs := meta.(*cloudstack.CloudStackClient)

	// Create a new parameter struct
	p := cs.Kubernetes.NewDeleteKubernetesClusterParams(d.Id())

	// Delete the Kubernetes Cluster
	_, err := cs.Kubernetes.DeleteKubernetesCluster(p)
	if err != nil {
	// This is a very poor way to be told the ID does no longer exist :(
	if strings.Contains(err.Error(), fmt.Sprintf(
	"Invalid parameter id value=%s due to incorrect long value format, "+
	"or entity does not exist", d.Id())) {
	return nil
	}

	return fmt.Errorf("Error deleting Kubernetes Cluster: %s", err)
	}

	return nil
	}