provider/aws: Allow in-place updates for ElastiCache cluster
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25fa84974b
commit
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@ -9,6 +9,7 @@ import (
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/aws/awserr"
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"github.com/aws/aws-sdk-go/aws/awsutil"
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"github.com/aws/aws-sdk-go/service/elasticache"
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"github.com/aws/aws-sdk-go/service/iam"
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"github.com/hashicorp/terraform/helper/hashcode"
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@ -32,7 +33,6 @@ func resourceAwsElasticacheCluster() *schema.Resource {
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"engine": &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_type": &schema.Schema{
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Type: schema.TypeString,
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@ -42,13 +42,11 @@ func resourceAwsElasticacheCluster() *schema.Resource {
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"num_cache_nodes": &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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"parameter_group_name": &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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"port": &schema.Schema{
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Type: schema.TypeInt,
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@ -59,7 +57,6 @@ func resourceAwsElasticacheCluster() *schema.Resource {
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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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"subnet_group_name": &schema.Schema{
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Type: schema.TypeString,
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@ -81,7 +78,6 @@ func resourceAwsElasticacheCluster() *schema.Resource {
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Type: schema.TypeSet,
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Optional: true,
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Computed: true,
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ForceNew: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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Set: func(v interface{}) int {
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return hashcode.String(v.(string))
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@ -110,6 +106,15 @@ func resourceAwsElasticacheCluster() *schema.Resource {
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},
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"tags": tagsSchema(),
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// apply_immediately is used to determine when the update modifications
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// take place.
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// See http://docs.aws.amazon.com/AmazonElastiCache/latest/APIReference/API_ModifyCacheCluster.html
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"apply_immediately": &schema.Schema{
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Type: schema.TypeBool,
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Optional: true,
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Computed: true,
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},
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},
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}
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}
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@ -240,6 +245,43 @@ func resourceAwsElasticacheClusterUpdate(d *schema.ResourceData, meta interface{
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return err
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}
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}
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req := &elasticache.ModifyCacheClusterInput{
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CacheClusterID: aws.String(d.Id()),
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ApplyImmediately: aws.Boolean(d.Get("apply_immediately").(bool)),
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}
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requestUpdate := false
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if d.HasChange("security_group_ids") {
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if attr := d.Get("security_group_ids").(*schema.Set); attr.Len() > 0 {
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req.SecurityGroupIDs = expandStringList(attr.List())
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requestUpdate = true
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}
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}
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if d.HasChange("parameter_group_name") {
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req.CacheParameterGroupName = aws.String(d.Get("parameter_group_name").(string))
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requestUpdate = true
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}
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if d.HasChange("engine_version") {
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req.EngineVersion = aws.String(d.Get("engine_version").(string))
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requestUpdate = true
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}
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if d.HasChange("num_cache_nodes") {
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req.NumCacheNodes = aws.Long(int64(d.Get("num_cache_nodes").(int)))
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requestUpdate = true
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}
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if requestUpdate {
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log.Printf("[DEBUG] Modifying ElastiCache Cluster (%s), opts:\n%s", d.Id(), awsutil.StringValue(req))
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_, err := conn.ModifyCacheCluster(req)
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if err != nil {
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return fmt.Errorf("[WARN] Error updating ElastiCache cluster (%s), error: %s", d.Id(), err)
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}
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}
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return resourceAwsElasticacheClusterRead(d, meta)
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}
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@ -252,7 +294,7 @@ func setCacheNodeData(d *schema.ResourceData, c *elasticache.CacheCluster) error
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for _, node := range sortedCacheNodes {
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if node.CacheNodeID == nil || node.Endpoint == nil || node.Endpoint.Address == nil || node.Endpoint.Port == nil {
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return fmt.Errorf("Unexpected nil pointer in: %#v", node)
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return fmt.Errorf("Unexpected nil pointer in: %s", awsutil.StringValue(node))
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}
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cacheNodeData = append(cacheNodeData, map[string]interface{}{
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"id": *node.CacheNodeID,
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@ -60,6 +60,10 @@ names to associate with this cache cluster
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* `security_group_ids` – (Optional, VPC only) One or more VPC security groups associated
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with the cache cluster
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* `apply_immediately` - (Optional) Specifies whether any database modifications
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are applied immediately, or during the next maintenance window. Default is
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`false`. See [Amazon ElastiCache Documentation for more information.][1]
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* `tags` - (Optional) A mapping of tags to assign to the resource.
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@ -69,3 +73,5 @@ The following attributes are exported:
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* `cache_nodes` - List of node objects including `id`, `address` and `port`.
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Referenceable e.g. as `${aws_elasticache_cluster.bar.cache_nodes.0.address}`
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[1]: http://docs.aws.amazon.com/AmazonElastiCache/latest/APIReference/API_ModifyCacheCluster.html
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