2014-07-10 01:00:11 +02:00
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package aws
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import (
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"fmt"
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"log"
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2014-12-12 23:21:20 +01:00
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"strings"
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2014-10-18 05:10:52 +02:00
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"time"
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2014-07-10 01:00:11 +02:00
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2014-10-10 23:34:40 +02:00
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"github.com/hashicorp/terraform/helper/hashcode"
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2014-10-18 05:10:52 +02:00
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"github.com/hashicorp/terraform/helper/resource"
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2014-10-10 23:34:40 +02:00
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"github.com/hashicorp/terraform/helper/schema"
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2015-02-20 15:55:54 +01:00
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2015-04-13 23:43:28 +02:00
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"github.com/awslabs/aws-sdk-go/aws"
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"github.com/awslabs/aws-sdk-go/service/autoscaling"
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2014-07-10 01:00:11 +02:00
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)
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2014-10-10 23:34:40 +02:00
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func resourceAwsAutoscalingGroup() *schema.Resource {
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return &schema.Resource{
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Create: resourceAwsAutoscalingGroupCreate,
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Read: resourceAwsAutoscalingGroupRead,
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Update: resourceAwsAutoscalingGroupUpdate,
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Delete: resourceAwsAutoscalingGroupDelete,
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Schema: map[string]*schema.Schema{
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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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},
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"launch_configuration": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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},
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"desired_capacity": &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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},
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"min_size": &schema.Schema{
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Type: schema.TypeInt,
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Required: true,
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},
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"max_size": &schema.Schema{
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Type: schema.TypeInt,
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Required: true,
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},
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"default_cooldown": &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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},
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"force_delete": &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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ForceNew: true,
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},
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"health_check_grace_period": &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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},
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"health_check_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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"availability_zones": &schema.Schema{
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Type: schema.TypeSet,
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Required: 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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},
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},
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"load_balancers": &schema.Schema{
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Type: schema.TypeSet,
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Optional: 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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},
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},
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"vpc_zone_identifier": &schema.Schema{
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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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},
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},
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2014-10-23 23:58:54 +02:00
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"termination_policies": &schema.Schema{
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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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},
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},
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2015-03-03 23:36:25 +01:00
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"tag": autoscalingTagsSchema(),
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2014-10-10 23:34:40 +02:00
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},
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2014-07-10 01:00:11 +02:00
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}
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2014-10-10 23:34:40 +02:00
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}
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2014-07-10 01:00:11 +02:00
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2014-10-10 23:34:40 +02:00
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func resourceAwsAutoscalingGroupCreate(d *schema.ResourceData, meta interface{}) error {
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2015-04-13 23:43:28 +02:00
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autoscalingconn := meta.(*AWSClient).asgconn
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2014-07-10 01:00:11 +02:00
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2015-04-13 23:43:28 +02:00
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var autoScalingGroupOpts autoscaling.CreateAutoScalingGroupInput
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2015-02-20 15:55:54 +01:00
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autoScalingGroupOpts.AutoScalingGroupName = aws.String(d.Get("name").(string))
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autoScalingGroupOpts.LaunchConfigurationName = aws.String(d.Get("launch_configuration").(string))
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2015-04-13 23:43:28 +02:00
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autoScalingGroupOpts.MinSize = aws.Long(int64(d.Get("min_size").(int)))
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autoScalingGroupOpts.MaxSize = aws.Long(int64(d.Get("max_size").(int)))
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autoScalingGroupOpts.AvailabilityZones = expandStringListSDK(
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2014-10-10 23:34:40 +02:00
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d.Get("availability_zones").(*schema.Set).List())
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2015-03-03 23:36:25 +01:00
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if v, ok := d.GetOk("tag"); ok {
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autoScalingGroupOpts.Tags = autoscalingTagsFromMap(
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setToMapByKey(v.(*schema.Set), "key"), d.Get("name").(string))
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}
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2014-10-10 23:34:40 +02:00
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if v, ok := d.GetOk("default_cooldown"); ok {
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2015-04-13 23:43:28 +02:00
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autoScalingGroupOpts.DefaultCooldown = aws.Long(int64(v.(int)))
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2014-07-10 01:00:11 +02:00
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}
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2015-03-20 16:11:12 +01:00
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if v, ok := d.GetOk("health_check_type"); ok && v.(string) != "" {
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2015-02-25 22:46:56 +01:00
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autoScalingGroupOpts.HealthCheckType = aws.String(v.(string))
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}
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2014-10-10 23:34:40 +02:00
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if v, ok := d.GetOk("desired_capacity"); ok {
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2015-04-13 23:43:28 +02:00
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autoScalingGroupOpts.DesiredCapacity = aws.Long(int64(v.(int)))
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2014-07-10 01:00:11 +02:00
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}
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2014-10-10 23:34:40 +02:00
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if v, ok := d.GetOk("health_check_grace_period"); ok {
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2015-04-13 23:43:28 +02:00
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autoScalingGroupOpts.HealthCheckGracePeriod = aws.Long(int64(v.(int)))
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2014-07-10 01:00:11 +02:00
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}
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2015-02-18 01:12:02 +01:00
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if v, ok := d.GetOk("load_balancers"); ok && v.(*schema.Set).Len() > 0 {
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2015-04-13 23:43:28 +02:00
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autoScalingGroupOpts.LoadBalancerNames = expandStringListSDK(
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2014-10-10 23:34:40 +02:00
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v.(*schema.Set).List())
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2014-07-10 01:00:11 +02:00
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}
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2015-02-18 01:12:02 +01:00
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if v, ok := d.GetOk("vpc_zone_identifier"); ok && v.(*schema.Set).Len() > 0 {
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2015-04-13 23:43:28 +02:00
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exp := expandStringListSDK(v.(*schema.Set).List())
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strs := make([]string, len(exp))
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for _, s := range exp {
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strs = append(strs, *s)
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}
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autoScalingGroupOpts.VPCZoneIdentifier = aws.String(strings.Join(strs, ","))
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2014-07-10 01:00:11 +02:00
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}
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2014-12-10 02:11:50 +01:00
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2015-02-18 01:12:02 +01:00
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if v, ok := d.GetOk("termination_policies"); ok && v.(*schema.Set).Len() > 0 {
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2015-04-13 23:43:28 +02:00
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autoScalingGroupOpts.TerminationPolicies = expandStringListSDK(
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2014-10-23 23:58:54 +02:00
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v.(*schema.Set).List())
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}
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2014-07-10 01:00:11 +02:00
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2014-07-14 17:36:25 +02:00
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log.Printf("[DEBUG] AutoScaling Group create configuration: %#v", autoScalingGroupOpts)
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2015-04-13 23:43:28 +02:00
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_, err := autoscalingconn.CreateAutoScalingGroup(&autoScalingGroupOpts)
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2014-07-10 01:00:11 +02:00
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if err != nil {
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2014-10-10 23:34:40 +02:00
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return fmt.Errorf("Error creating Autoscaling Group: %s", err)
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2014-07-10 01:00:11 +02:00
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}
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2014-10-10 23:34:40 +02:00
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d.SetId(d.Get("name").(string))
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log.Printf("[INFO] AutoScaling Group ID: %s", d.Id())
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2014-07-10 01:00:11 +02:00
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2014-10-10 23:34:40 +02:00
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return resourceAwsAutoscalingGroupRead(d, meta)
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2014-07-10 01:00:11 +02:00
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}
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2014-11-21 17:58:34 +01:00
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func resourceAwsAutoscalingGroupRead(d *schema.ResourceData, meta interface{}) error {
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g, err := getAwsAutoscalingGroup(d, meta)
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if err != nil {
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return err
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}
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if g == nil {
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return nil
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}
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d.Set("availability_zones", g.AvailabilityZones)
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2015-03-26 20:49:15 +01:00
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d.Set("default_cooldown", g.DefaultCooldown)
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d.Set("desired_capacity", g.DesiredCapacity)
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d.Set("health_check_grace_period", g.HealthCheckGracePeriod)
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d.Set("health_check_type", g.HealthCheckType)
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d.Set("launch_configuration", g.LaunchConfigurationName)
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2014-11-21 17:58:34 +01:00
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d.Set("load_balancers", g.LoadBalancerNames)
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2015-03-26 20:49:15 +01:00
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d.Set("min_size", g.MinSize)
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d.Set("max_size", g.MaxSize)
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d.Set("name", g.AutoScalingGroupName)
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2015-03-03 23:36:25 +01:00
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d.Set("tag", g.Tags)
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2015-02-20 15:55:54 +01:00
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d.Set("vpc_zone_identifier", strings.Split(*g.VPCZoneIdentifier, ","))
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2015-02-04 17:00:03 +01:00
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d.Set("termination_policies", g.TerminationPolicies)
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2014-11-21 17:58:34 +01:00
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return nil
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}
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2014-10-10 23:34:40 +02:00
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func resourceAwsAutoscalingGroupUpdate(d *schema.ResourceData, meta interface{}) error {
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2015-04-13 23:43:28 +02:00
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autoscalingconn := meta.(*AWSClient).asgconn
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2014-07-10 01:00:11 +02:00
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2015-04-13 23:43:28 +02:00
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opts := autoscaling.UpdateAutoScalingGroupInput{
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2015-02-20 15:55:54 +01:00
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AutoScalingGroupName: aws.String(d.Id()),
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2014-07-15 23:20:54 +02:00
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}
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2014-10-11 01:25:23 +02:00
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if d.HasChange("desired_capacity") {
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2015-04-13 23:43:28 +02:00
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opts.DesiredCapacity = aws.Long(int64(d.Get("desired_capacity").(int)))
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2014-10-11 01:25:23 +02:00
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}
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2015-02-18 00:48:15 +01:00
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if d.HasChange("launch_configuration") {
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2015-02-20 15:55:54 +01:00
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opts.LaunchConfigurationName = aws.String(d.Get("launch_configuration").(string))
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2015-02-18 00:48:15 +01:00
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}
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2014-10-10 23:34:40 +02:00
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if d.HasChange("min_size") {
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2015-04-13 23:43:28 +02:00
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opts.MinSize = aws.Long(int64(d.Get("min_size").(int)))
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2014-07-15 23:20:54 +02:00
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}
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2014-10-10 23:34:40 +02:00
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if d.HasChange("max_size") {
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2015-04-13 23:43:28 +02:00
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opts.MaxSize = aws.Long(int64(d.Get("max_size").(int)))
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2014-07-15 23:20:54 +02:00
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}
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2015-03-03 23:36:25 +01:00
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if err := setAutoscalingTags(autoscalingconn, d); err != nil {
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return err
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} else {
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d.SetPartial("tag")
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}
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2014-07-15 23:20:54 +02:00
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log.Printf("[DEBUG] AutoScaling Group update configuration: %#v", opts)
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2015-04-13 23:43:28 +02:00
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_, err := autoscalingconn.UpdateAutoScalingGroup(&opts)
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2014-07-15 23:20:54 +02:00
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if err != nil {
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2014-10-10 23:34:40 +02:00
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d.Partial(true)
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return fmt.Errorf("Error updating Autoscaling group: %s", err)
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2014-07-15 23:20:54 +02:00
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}
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2014-10-10 23:34:40 +02:00
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return resourceAwsAutoscalingGroupRead(d, meta)
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2014-07-10 01:00:11 +02:00
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}
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2014-10-10 23:34:40 +02:00
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func resourceAwsAutoscalingGroupDelete(d *schema.ResourceData, meta interface{}) error {
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2015-04-13 23:43:28 +02:00
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autoscalingconn := meta.(*AWSClient).asgconn
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2014-07-10 01:00:11 +02:00
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2014-10-18 05:10:52 +02:00
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// Read the autoscaling group first. If it doesn't exist, we're done.
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// We need the group in order to check if there are instances attached.
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// If so, we need to remove those first.
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g, err := getAwsAutoscalingGroup(d, meta)
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if err != nil {
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return err
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}
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if g == nil {
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return nil
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}
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2015-02-20 15:55:54 +01:00
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if len(g.Instances) > 0 || *g.DesiredCapacity > 0 {
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2014-10-18 05:10:52 +02:00
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if err := resourceAwsAutoscalingGroupDrain(d, meta); err != nil {
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return err
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}
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}
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2014-10-10 23:34:40 +02:00
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log.Printf("[DEBUG] AutoScaling Group destroy: %v", d.Id())
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2015-04-13 23:43:28 +02:00
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deleteopts := autoscaling.DeleteAutoScalingGroupInput{AutoScalingGroupName: aws.String(d.Id())}
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2014-07-14 17:36:25 +02:00
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// You can force an autoscaling group to delete
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// even if it's in the process of scaling a resource.
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// Normally, you would set the min-size and max-size to 0,0
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// and then delete the group. This bypasses that and leaves
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// resources potentially dangling.
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2014-10-10 23:34:40 +02:00
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if d.Get("force_delete").(bool) {
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2015-02-20 15:55:54 +01:00
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deleteopts.ForceDelete = aws.Boolean(true)
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2014-07-14 17:36:25 +02:00
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}
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2015-04-13 23:43:28 +02:00
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if _, err := autoscalingconn.DeleteAutoScalingGroup(&deleteopts); err != nil {
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2015-02-20 15:55:54 +01:00
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autoscalingerr, ok := err.(aws.APIError)
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2014-07-10 21:41:06 +02:00
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if ok && autoscalingerr.Code == "InvalidGroup.NotFound" {
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return nil
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}
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return err
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}
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2014-07-10 01:00:11 +02:00
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2015-04-01 16:24:26 +02:00
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return resource.Retry(5*time.Minute, func() error {
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|
if g, _ = getAwsAutoscalingGroup(d, meta); g != nil {
|
|
|
|
return fmt.Errorf("Auto Scaling Group still exists")
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
})
|
2014-07-10 01:00:11 +02:00
|
|
|
}
|
|
|
|
|
2014-10-18 05:10:52 +02:00
|
|
|
func getAwsAutoscalingGroup(
|
|
|
|
d *schema.ResourceData,
|
|
|
|
meta interface{}) (*autoscaling.AutoScalingGroup, error) {
|
2015-04-13 23:43:28 +02:00
|
|
|
autoscalingconn := meta.(*AWSClient).asgconn
|
2014-07-10 01:00:11 +02:00
|
|
|
|
2015-04-13 23:43:28 +02:00
|
|
|
describeOpts := autoscaling.DescribeAutoScalingGroupsInput{
|
|
|
|
AutoScalingGroupNames: []*string{aws.String(d.Id())},
|
2014-07-10 01:00:11 +02:00
|
|
|
}
|
|
|
|
|
2014-07-14 17:36:25 +02:00
|
|
|
log.Printf("[DEBUG] AutoScaling Group describe configuration: %#v", describeOpts)
|
2014-07-10 01:00:11 +02:00
|
|
|
describeGroups, err := autoscalingconn.DescribeAutoScalingGroups(&describeOpts)
|
|
|
|
if err != nil {
|
2015-02-20 15:55:54 +01:00
|
|
|
autoscalingerr, ok := err.(aws.APIError)
|
2014-10-10 23:34:40 +02:00
|
|
|
if ok && autoscalingerr.Code == "InvalidGroup.NotFound" {
|
|
|
|
d.SetId("")
|
2014-10-18 05:10:52 +02:00
|
|
|
return nil, nil
|
2014-10-10 23:34:40 +02:00
|
|
|
}
|
|
|
|
|
2014-10-18 05:10:52 +02:00
|
|
|
return nil, fmt.Errorf("Error retrieving AutoScaling groups: %s", err)
|
2014-07-10 01:00:11 +02:00
|
|
|
}
|
|
|
|
|
2014-12-10 02:11:50 +01:00
|
|
|
// Search for the autoscaling group
|
|
|
|
for idx, asc := range describeGroups.AutoScalingGroups {
|
2015-02-20 18:28:20 +01:00
|
|
|
if *asc.AutoScalingGroupName == d.Id() {
|
2015-04-13 23:43:28 +02:00
|
|
|
return describeGroups.AutoScalingGroups[idx], nil
|
2014-07-10 01:00:11 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-12-10 02:11:50 +01:00
|
|
|
// ASG not found
|
|
|
|
d.SetId("")
|
|
|
|
return nil, nil
|
2014-10-18 05:10:52 +02:00
|
|
|
}
|
2014-07-10 01:00:11 +02:00
|
|
|
|
2014-10-18 05:10:52 +02:00
|
|
|
func resourceAwsAutoscalingGroupDrain(d *schema.ResourceData, meta interface{}) error {
|
2015-04-13 23:43:28 +02:00
|
|
|
autoscalingconn := meta.(*AWSClient).asgconn
|
2014-07-15 18:31:49 +02:00
|
|
|
|
2014-10-18 05:10:52 +02:00
|
|
|
// First, set the capacity to zero so the group will drain
|
|
|
|
log.Printf("[DEBUG] Reducing autoscaling group capacity to zero")
|
2015-04-13 23:43:28 +02:00
|
|
|
opts := autoscaling.UpdateAutoScalingGroupInput{
|
2015-02-20 18:28:20 +01:00
|
|
|
AutoScalingGroupName: aws.String(d.Id()),
|
2015-04-13 23:43:28 +02:00
|
|
|
DesiredCapacity: aws.Long(0),
|
|
|
|
MinSize: aws.Long(0),
|
|
|
|
MaxSize: aws.Long(0),
|
2014-10-18 05:10:52 +02:00
|
|
|
}
|
2015-04-13 23:43:28 +02:00
|
|
|
if _, err := autoscalingconn.UpdateAutoScalingGroup(&opts); err != nil {
|
2014-10-18 05:10:52 +02:00
|
|
|
return fmt.Errorf("Error setting capacity to zero to drain: %s", err)
|
|
|
|
}
|
|
|
|
|
|
|
|
// Next, wait for the autoscale group to drain
|
|
|
|
log.Printf("[DEBUG] Waiting for group to have zero instances")
|
|
|
|
return resource.Retry(10*time.Minute, func() error {
|
|
|
|
g, err := getAwsAutoscalingGroup(d, meta)
|
|
|
|
if err != nil {
|
2015-02-18 19:26:59 +01:00
|
|
|
return resource.RetryError{Err: err}
|
2014-10-18 05:10:52 +02:00
|
|
|
}
|
|
|
|
if g == nil {
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
if len(g.Instances) == 0 {
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
return fmt.Errorf("group still has %d instances", len(g.Instances))
|
|
|
|
})
|
2014-07-15 18:31:49 +02:00
|
|
|
}
|