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Adding support for Kubernetes Clusters
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5 files changed

+365
-3
lines changed

‎cloudstack/provider.go

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Original file line numberDiff line numberDiff line change
@@ -89,6 +89,7 @@ func Provider() terraform.ResourceProvider {
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"cloudstack_firewall": resourceCloudStackFirewall(),
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"cloudstack_instance": resourceCloudStackInstance(),
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"cloudstack_ipaddress": resourceCloudStackIPAddress(),
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"cloudstack_kubernetes_cluster": resourceCloudStackKubernetesCluster(),
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"cloudstack_loadbalancer_rule": resourceCloudStackLoadBalancerRule(),
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"cloudstack_network": resourceCloudStackNetwork(),
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"cloudstack_network_acl": resourceCloudStackNetworkACL(),

‎cloudstack/resource_cloudstack_kubernetes_cluster.go

Lines changed: 343 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,343 @@
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//
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// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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//
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package cloudstack
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import (
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"fmt"
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"log"
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"strings"
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"github.com/apache/cloudstack-go/v2/cloudstack"
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"github.com/hashicorp/terraform/helper/schema"
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)
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func resourceCloudStackKubernetesCluster() *schema.Resource {
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return &schema.Resource{
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Create: resourceCloudStackKubernetesClusterCreate,
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Read: resourceCloudStackKubernetesClusterRead,
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Update: resourceCloudStackKubernetesClusterUpdate,
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Delete: resourceCloudStackKubernetesClusterDelete,
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Importer: &schema.ResourceImporter{
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State: importStatePassthrough,
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},
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Schema: map[string]*schema.Schema{
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"name": {
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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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"zone": {
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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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"kubernetes_version": {
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Type: schema.TypeString,
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Required: true,
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},
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"service_offering": {
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Type: schema.TypeString,
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Required: true,
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},
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// Begin optional params
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"size": {
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Type: schema.TypeInt,
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Optional: true,
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Default: 1,
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},
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"autoscaling_enabled": {
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Type: schema.TypeBool,
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Optional: true,
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},
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"min_size": {
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Type: schema.TypeInt,
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Optional: true,
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},
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"max_size": {
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Type: schema.TypeInt,
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Optional: true,
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},
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"control_nodes_size": {
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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, // For now
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},
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"description": {
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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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"keypair": {
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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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"network_id": {
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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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"ip_address": {
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Type: schema.TypeString,
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Computed: true,
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},
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"state": {
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Type: schema.TypeString,
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Optional: true,
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Computed: true,
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// Default: "Running",
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},
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"project": {
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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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},
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}
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}
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func resourceCloudStackKubernetesClusterCreate(d *schema.ResourceData, meta interface{}) error {
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cs := meta.(*cloudstack.CloudStackClient)
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// State is always Running when created
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if state, ok := d.GetOk("state"); ok {
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if state.(string) != "Running" {
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return fmt.Errorf("State must be 'Running' when first creating a cluster")
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}
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}
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name := d.Get("name").(string)
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size := int64(d.Get("size").(int))
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serviceOfferingID, e := retrieveID(cs, "service_offering", d.Get("service_offering").(string))
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if e != nil {
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return e.Error()
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}
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zoneID, e := retrieveID(cs, "zone", d.Get("zone").(string))
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if e != nil {
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return e.Error()
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}
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kubernetesVersionID, e := retrieveID(cs, "kubernetes_version", d.Get("kubernetes_version").(string))
154+
if e != nil {
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return e.Error()
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}
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// Create a new parameter struct
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p := cs.Kubernetes.NewCreateKubernetesClusterParams(name, kubernetesVersionID, name, serviceOfferingID, size, zoneID)
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// Set optional params
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if description, ok := d.GetOk("description"); ok {
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p.SetDescription(description.(string))
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}
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if keypair, ok := d.GetOk("keypair"); ok {
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p.SetKeypair(keypair.(string))
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}
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if networkID, ok := d.GetOk("network_id"); ok {
169+
p.SetNetworkid(networkID.(string))
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}
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if controlNodesSize, ok := d.GetOk("control_nodes_size"); ok {
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p.SetControlnodes(int64(controlNodesSize.(int)))
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}
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// If there is a project supplied, we retrieve and set the project id
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if err := setProjectid(p, cs, d); err != nil {
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return err
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}
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log.Printf("[DEBUG] Creating Kubernetes Cluster %s", name)
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r, err := cs.Kubernetes.CreateKubernetesCluster(p)
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if err != nil {
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return err
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}
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log.Printf("[DEBUG] Kubernetes Cluster %s successfully created", name)
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d.SetId(r.Id)
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if _, ok := d.GetOk("autoscaling_enabled"); ok {
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err = autoscaleKubernetesCluster(d, meta)
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if err != nil {
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return err
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}
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}
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return resourceCloudStackKubernetesClusterRead(d, meta)
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}
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func resourceCloudStackKubernetesClusterRead(d *schema.ResourceData, meta interface{}) error {
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cs := meta.(*cloudstack.CloudStackClient)
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log.Printf("[DEBUG] Retrieving Kubernetes Cluster %s", d.Get("name").(string))
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// Get the Kubernetes Cluster details
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cluster, count, err := cs.Kubernetes.GetKubernetesClusterByID(
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d.Id(),
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cloudstack.WithProject(d.Get("project").(string)),
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)
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if err != nil {
210+
if count == 0 {
211+
log.Printf("[DEBUG] Kubernetes Cluster %s does not longer exist", d.Get("name").(string))
212+
d.SetId("")
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return nil
214+
}
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return err
217+
}
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// Update the config
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d.SetId(cluster.Id)
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d.Set("name", cluster.Name)
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d.Set("description", cluster.Description)
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d.Set("control_nodes_size", cluster.Controlnodes)
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d.Set("size", cluster.Size)
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d.Set("autoscaling_enabled", cluster.Autoscalingenabled)
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d.Set("min_size", cluster.Minsize)
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d.Set("max_size", cluster.Maxsize)
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d.Set("keypair", cluster.Keypair)
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d.Set("network_id", cluster.Networkid)
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d.Set("ip_address", cluster.Ipaddress)
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d.Set("state", cluster.State)
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setValueOrID(d, "kubernetes_version", cluster.Kubernetesversionname, cluster.Kubernetesversionid)
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setValueOrID(d, "service_offering", cluster.Serviceofferingname, cluster.Serviceofferingid)
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setValueOrID(d, "project", cluster.Project, cluster.Projectid)
236+
setValueOrID(d, "zone", cluster.Zonename, cluster.Zoneid)
237+
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return nil
239+
}
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func autoscaleKubernetesCluster(d *schema.ResourceData, meta interface{}) error {
242+
cs := meta.(*cloudstack.CloudStackClient)
243+
p := cs.Kubernetes.NewScaleKubernetesClusterParams(d.Id())
244+
p.SetAutoscalingenabled(d.Get("autoscaling_enabled").(bool))
245+
p.SetMinsize(int64(d.Get("min_size").(int)))
246+
p.SetMaxsize(int64(d.Get("max_size").(int)))
247+
_, err := cs.Kubernetes.ScaleKubernetesCluster(p)
248+
return err
249+
}
250+
251+
func resourceCloudStackKubernetesClusterUpdate(d *schema.ResourceData, meta interface{}) error {
252+
cs := meta.(*cloudstack.CloudStackClient)
253+
d.Partial(true)
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if d.HasChange("service_offering") || d.HasChange("size") {
256+
p := cs.Kubernetes.NewScaleKubernetesClusterParams(d.Id())
257+
serviceOfferingID, e := retrieveID(cs, "service_offering", d.Get("service_offering").(string))
258+
if e != nil {
259+
return e.Error()
260+
}
261+
p.SetServiceofferingid(serviceOfferingID)
262+
p.SetSize(int64(d.Get("size").(int)))
263+
_, err := cs.Kubernetes.ScaleKubernetesCluster(p)
264+
if err != nil {
265+
return fmt.Errorf(
266+
"Error Scaling Kubernetes Cluster %s: %s", d.Id(), err)
267+
}
268+
d.SetPartial("service_offering")
269+
d.SetPartial("size")
270+
}
271+
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if d.HasChange("autoscaling_enabled") || d.HasChange("min_size") || d.HasChange("max_size") {
273+
err := autoscaleKubernetesCluster(d, meta)
274+
if err != nil {
275+
return err
276+
}
277+
d.SetPartial("autoscaling_enabled")
278+
d.SetPartial("min_size")
279+
d.SetPartial("max_size")
280+
}
281+
282+
if d.HasChange("kubernetes_version") {
283+
kubernetesVersionID, e := retrieveID(cs, "kubernetes_version", d.Get("kubernetes_version").(string))
284+
if e != nil {
285+
return e.Error()
286+
}
287+
p := cs.Kubernetes.NewUpgradeKubernetesClusterParams(d.Id(), kubernetesVersionID)
288+
_, err := cs.Kubernetes.UpgradeKubernetesCluster(p)
289+
if err != nil {
290+
return fmt.Errorf(
291+
"Error Upgrading Kubernetes Cluster %s: %s", d.Id(), err)
292+
}
293+
d.SetPartial("kubernetes_version")
294+
}
295+
296+
if d.HasChange("state") {
297+
state := d.Get("state").(string)
298+
switch state {
299+
case "Running":
300+
p := cs.Kubernetes.NewStartKubernetesClusterParams(d.Id())
301+
_, err := cs.Kubernetes.StartKubernetesCluster(p)
302+
if err != nil {
303+
return fmt.Errorf(
304+
"Error Starting Kubernetes Cluster %s: %s", d.Id(), err)
305+
}
306+
case "Stopped":
307+
p := cs.Kubernetes.NewStopKubernetesClusterParams(d.Id())
308+
_, err := cs.Kubernetes.StopKubernetesCluster(p)
309+
if err != nil {
310+
return fmt.Errorf(
311+
"Error Stopping Kubernetes Cluster %s: %s", d.Id(), err)
312+
}
313+
default:
314+
return fmt.Errorf("State must either be 'Running' or 'Stopped'")
315+
}
316+
d.SetPartial("state")
317+
}
318+
319+
d.Partial(false)
320+
return resourceCloudStackKubernetesClusterRead(d, meta)
321+
}
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func resourceCloudStackKubernetesClusterDelete(d *schema.ResourceData, meta interface{}) error {
324+
cs := meta.(*cloudstack.CloudStackClient)
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326+
// Create a new parameter struct
327+
p := cs.Kubernetes.NewDeleteKubernetesClusterParams(d.Id())
328+
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// Delete the Kubernetes Cluster
330+
_, err := cs.Kubernetes.DeleteKubernetesCluster(p)
331+
if err != nil {
332+
// This is a very poor way to be told the ID does no longer exist :(
333+
if strings.Contains(err.Error(), fmt.Sprintf(
334+
"Invalid parameter id value=%s due to incorrect long value format, "+
335+
"or entity does not exist", d.Id())) {
336+
return nil
337+
}
338+
339+
return fmt.Errorf("Error deleting Kubernetes Cluster: %s", err)
340+
}
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return nil
343+
}

‎cloudstack/resources.go

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -70,12 +70,14 @@ func retrieveID(cs *cloudstack.CloudStackClient, name string, value string, opts
7070
switch name {
7171
case "disk_offering":
7272
id, _, err = cs.DiskOffering.GetDiskOfferingID(value)
73-
case "service_offering":
74-
id, _, err = cs.ServiceOffering.GetServiceOfferingID(value)
73+
case "kubernetes_version":
74+
id, _, err = cs.Kubernetes.GetKubernetesSupportedVersionID(value)
7575
case "network_offering":
7676
id, _, err = cs.NetworkOffering.GetNetworkOfferingID(value)
7777
case "project":
7878
id, _, err = cs.Project.GetProjectID(value)
79+
case "service_offering":
80+
id, _, err = cs.ServiceOffering.GetServiceOfferingID(value)
7981
case "vpc_offering":
8082
id, _, err = cs.VPC.GetVPCOfferingID(value)
8183
case "zone":

‎go.mod

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,7 @@
11
module github.com/terraform-providers/terraform-provider-cloudstack
22

33
require (
4-
github.com/apache/cloudstack-go/v2 v2.11.0
4+
github.com/apache/cloudstack-go/v2 v2.13.1
55
github.com/go-ini/ini v1.40.0
66
github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e // indirect
77
github.com/hashicorp/go-multierror v1.0.0

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