1036 lines
29 KiB
Go
1036 lines
29 KiB
Go
package aws
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import (
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"fmt"
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"log"
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"strings"
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"time"
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"github.com/hashicorp/errwrap"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/helper/schema"
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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/service/autoscaling"
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"github.com/aws/aws-sdk-go/service/elb"
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"github.com/aws/aws-sdk-go/service/elbv2"
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)
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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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Importer: &schema.ResourceImporter{
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State: schema.ImportStatePassthrough,
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},
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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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Optional: true,
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Computed: true,
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ForceNew: true,
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ConflictsWith: []string{"name_prefix"},
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ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
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// https://github.com/boto/botocore/blob/9f322b1/botocore/data/autoscaling/2011-01-01/service-2.json#L1862-L1873
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value := v.(string)
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if len(value) > 255 {
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errors = append(errors, fmt.Errorf(
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"%q cannot be longer than 255 characters", k))
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}
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return
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},
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},
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"name_prefix": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
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value := v.(string)
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if len(value) > 229 {
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errors = append(errors, fmt.Errorf(
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"%q cannot be longer than 229 characters, name is limited to 255", k))
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}
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return
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},
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},
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"launch_configuration": {
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Type: schema.TypeString,
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Required: true,
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},
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"desired_capacity": {
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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_elb_capacity": {
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Type: schema.TypeInt,
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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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Required: true,
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},
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"max_size": {
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Type: schema.TypeInt,
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Required: true,
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},
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"default_cooldown": {
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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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"force_delete": {
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Type: schema.TypeBool,
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Optional: true,
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Default: false,
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},
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"health_check_grace_period": {
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Type: schema.TypeInt,
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Optional: true,
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Default: 300,
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},
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"health_check_type": {
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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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"availability_zones": {
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Type: schema.TypeSet,
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Optional: true,
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Computed: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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Set: schema.HashString,
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},
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"placement_group": {
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Type: schema.TypeString,
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Optional: true,
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},
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"load_balancers": {
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Type: schema.TypeSet,
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Optional: true,
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Computed: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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Set: schema.HashString,
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},
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"vpc_zone_identifier": {
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Type: schema.TypeSet,
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Optional: true,
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Computed: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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Set: schema.HashString,
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},
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"termination_policies": {
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Type: schema.TypeList,
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Optional: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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},
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"wait_for_capacity_timeout": {
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Type: schema.TypeString,
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Optional: true,
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Default: "10m",
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ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
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value := v.(string)
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duration, err := time.ParseDuration(value)
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if err != nil {
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errors = append(errors, fmt.Errorf(
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"%q cannot be parsed as a duration: %s", k, err))
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}
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if duration < 0 {
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errors = append(errors, fmt.Errorf(
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"%q must be greater than zero", k))
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}
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return
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},
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},
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"wait_for_elb_capacity": {
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Type: schema.TypeInt,
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Optional: true,
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},
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"enabled_metrics": {
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Type: schema.TypeSet,
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Optional: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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Set: schema.HashString,
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},
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"suspended_processes": {
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Type: schema.TypeSet,
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Optional: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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Set: schema.HashString,
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},
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"metrics_granularity": {
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Type: schema.TypeString,
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Optional: true,
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Default: "1Minute",
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},
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"protect_from_scale_in": {
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Type: schema.TypeBool,
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Optional: true,
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Default: false,
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},
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"target_group_arns": {
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Type: schema.TypeSet,
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Optional: true,
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Computed: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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Set: schema.HashString,
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},
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"arn": {
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Type: schema.TypeString,
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Computed: true,
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},
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"initial_lifecycle_hook": {
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Type: schema.TypeSet,
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Optional: true,
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Elem: &schema.Resource{
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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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},
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"default_result": {
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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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"heartbeat_timeout": {
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Type: schema.TypeInt,
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Optional: true,
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},
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"lifecycle_transition": {
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Type: schema.TypeString,
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Required: true,
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},
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"notification_metadata": {
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Type: schema.TypeString,
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Optional: true,
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},
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"notification_target_arn": {
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Type: schema.TypeString,
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Optional: true,
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},
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"role_arn": {
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Type: schema.TypeString,
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Optional: true,
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},
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},
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},
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},
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"tag": autoscalingTagSchema(),
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"tags": &schema.Schema{
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Type: schema.TypeList,
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Optional: true,
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Elem: &schema.Schema{Type: schema.TypeMap},
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ConflictsWith: []string{"tag"},
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},
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},
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}
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}
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func generatePutLifecycleHookInputs(asgName string, cfgs []interface{}) []autoscaling.PutLifecycleHookInput {
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res := make([]autoscaling.PutLifecycleHookInput, 0, len(cfgs))
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for _, raw := range cfgs {
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cfg := raw.(map[string]interface{})
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input := autoscaling.PutLifecycleHookInput{
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AutoScalingGroupName: &asgName,
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LifecycleHookName: aws.String(cfg["name"].(string)),
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}
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if v, ok := cfg["default_result"]; ok && v.(string) != "" {
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input.DefaultResult = aws.String(v.(string))
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}
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if v, ok := cfg["heartbeat_timeout"]; ok && v.(int) > 0 {
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input.HeartbeatTimeout = aws.Int64(int64(v.(int)))
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}
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if v, ok := cfg["lifecycle_transition"]; ok && v.(string) != "" {
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input.LifecycleTransition = aws.String(v.(string))
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}
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if v, ok := cfg["notification_metadata"]; ok && v.(string) != "" {
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input.NotificationMetadata = aws.String(v.(string))
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}
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if v, ok := cfg["notification_target_arn"]; ok && v.(string) != "" {
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input.NotificationTargetARN = aws.String(v.(string))
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}
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if v, ok := cfg["role_arn"]; ok && v.(string) != "" {
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input.RoleARN = aws.String(v.(string))
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}
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res = append(res, input)
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}
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return res
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}
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func resourceAwsAutoscalingGroupCreate(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).autoscalingconn
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var asgName string
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if v, ok := d.GetOk("name"); ok {
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asgName = v.(string)
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} else {
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if v, ok := d.GetOk("name_prefix"); ok {
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asgName = resource.PrefixedUniqueId(v.(string))
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} else {
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asgName = resource.PrefixedUniqueId("tf-asg-")
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}
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d.Set("name", asgName)
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}
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createOpts := autoscaling.CreateAutoScalingGroupInput{
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AutoScalingGroupName: aws.String(asgName),
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LaunchConfigurationName: aws.String(d.Get("launch_configuration").(string)),
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NewInstancesProtectedFromScaleIn: aws.Bool(d.Get("protect_from_scale_in").(bool)),
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}
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updateOpts := autoscaling.UpdateAutoScalingGroupInput{
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AutoScalingGroupName: aws.String(asgName),
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}
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initialLifecycleHooks := d.Get("initial_lifecycle_hook").(*schema.Set).List()
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twoPhases := len(initialLifecycleHooks) > 0
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minSize := aws.Int64(int64(d.Get("min_size").(int)))
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maxSize := aws.Int64(int64(d.Get("max_size").(int)))
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if twoPhases {
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createOpts.MinSize = aws.Int64(int64(0))
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createOpts.MaxSize = aws.Int64(int64(0))
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updateOpts.MinSize = minSize
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updateOpts.MaxSize = maxSize
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if v, ok := d.GetOk("desired_capacity"); ok {
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updateOpts.DesiredCapacity = aws.Int64(int64(v.(int)))
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}
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} else {
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createOpts.MinSize = minSize
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createOpts.MaxSize = maxSize
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if v, ok := d.GetOk("desired_capacity"); ok {
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createOpts.DesiredCapacity = aws.Int64(int64(v.(int)))
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}
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}
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// Availability Zones are optional if VPC Zone Identifer(s) are specified
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if v, ok := d.GetOk("availability_zones"); ok && v.(*schema.Set).Len() > 0 {
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createOpts.AvailabilityZones = expandStringList(v.(*schema.Set).List())
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}
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resourceID := d.Get("name").(string)
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if v, ok := d.GetOk("tag"); ok {
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var err error
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createOpts.Tags, err = autoscalingTagsFromMap(
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setToMapByKey(v.(*schema.Set), "key"), resourceID)
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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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if v, ok := d.GetOk("tags"); ok {
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tags, err := autoscalingTagsFromList(v.([]interface{}), resourceID)
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if err != nil {
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return err
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}
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createOpts.Tags = append(createOpts.Tags, tags...)
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}
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if v, ok := d.GetOk("default_cooldown"); ok {
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createOpts.DefaultCooldown = aws.Int64(int64(v.(int)))
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}
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if v, ok := d.GetOk("health_check_type"); ok && v.(string) != "" {
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createOpts.HealthCheckType = aws.String(v.(string))
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}
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if v, ok := d.GetOk("health_check_grace_period"); ok {
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createOpts.HealthCheckGracePeriod = aws.Int64(int64(v.(int)))
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}
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if v, ok := d.GetOk("placement_group"); ok {
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createOpts.PlacementGroup = aws.String(v.(string))
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}
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if v, ok := d.GetOk("load_balancers"); ok && v.(*schema.Set).Len() > 0 {
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createOpts.LoadBalancerNames = expandStringList(
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v.(*schema.Set).List())
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}
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if v, ok := d.GetOk("vpc_zone_identifier"); ok && v.(*schema.Set).Len() > 0 {
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createOpts.VPCZoneIdentifier = expandVpcZoneIdentifiers(v.(*schema.Set).List())
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}
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if v, ok := d.GetOk("termination_policies"); ok && len(v.([]interface{})) > 0 {
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createOpts.TerminationPolicies = expandStringList(v.([]interface{}))
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}
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if v, ok := d.GetOk("target_group_arns"); ok && len(v.(*schema.Set).List()) > 0 {
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createOpts.TargetGroupARNs = expandStringList(v.(*schema.Set).List())
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}
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log.Printf("[DEBUG] AutoScaling Group create configuration: %#v", createOpts)
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_, err := conn.CreateAutoScalingGroup(&createOpts)
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if err != nil {
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return fmt.Errorf("Error creating AutoScaling Group: %s", err)
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}
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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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if twoPhases {
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for _, hook := range generatePutLifecycleHookInputs(asgName, initialLifecycleHooks) {
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if err = resourceAwsAutoscalingLifecycleHookPutOp(conn, &hook); err != nil {
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return fmt.Errorf("Error creating initial lifecycle hooks: %s", err)
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}
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}
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_, err = conn.UpdateAutoScalingGroup(&updateOpts)
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if err != nil {
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return fmt.Errorf("Error setting AutoScaling Group initial capacity: %s", err)
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}
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}
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if err := waitForASGCapacity(d, meta, capacitySatisfiedCreate); err != nil {
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return err
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}
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if _, ok := d.GetOk("suspended_processes"); ok {
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suspendedProcessesErr := enableASGSuspendedProcesses(d, conn)
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if suspendedProcessesErr != nil {
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return suspendedProcessesErr
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}
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}
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if _, ok := d.GetOk("enabled_metrics"); ok {
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metricsErr := enableASGMetricsCollection(d, conn)
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if metricsErr != nil {
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return metricsErr
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}
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}
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return resourceAwsAutoscalingGroupRead(d, meta)
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}
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func resourceAwsAutoscalingGroupRead(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).autoscalingconn
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g, err := getAwsAutoscalingGroup(d.Id(), conn)
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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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log.Printf("[INFO] Autoscaling Group %q not found", d.Id())
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d.SetId("")
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return nil
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}
|
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|
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d.Set("availability_zones", flattenStringList(g.AvailabilityZones))
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d.Set("default_cooldown", g.DefaultCooldown)
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d.Set("arn", g.AutoScalingGroupARN)
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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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d.Set("load_balancers", flattenStringList(g.LoadBalancerNames))
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|
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if err := d.Set("suspended_processes", flattenAsgSuspendedProcesses(g.SuspendedProcesses)); err != nil {
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log.Printf("[WARN] Error setting suspended_processes for %q: %s", d.Id(), err)
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}
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if err := d.Set("target_group_arns", flattenStringList(g.TargetGroupARNs)); err != nil {
|
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log.Printf("[ERR] Error setting target groups: %s", err)
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}
|
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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("placement_group", g.PlacementGroup)
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d.Set("name", g.AutoScalingGroupName)
|
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|
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var tagList, tagsList []*autoscaling.TagDescription
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var tagOk, tagsOk bool
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var v interface{}
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if v, tagOk = d.GetOk("tag"); tagOk {
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tags := setToMapByKey(v.(*schema.Set), "key")
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for _, t := range g.Tags {
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if _, ok := tags[*t.Key]; ok {
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tagList = append(tagList, t)
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}
|
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}
|
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d.Set("tag", autoscalingTagDescriptionsToSlice(tagList))
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}
|
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|
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if v, tagsOk = d.GetOk("tags"); tagsOk {
|
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tags := map[string]struct{}{}
|
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for _, tag := range v.([]interface{}) {
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attr, ok := tag.(map[string]interface{})
|
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if !ok {
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continue
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}
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key, ok := attr["key"].(string)
|
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if !ok {
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continue
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}
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tags[key] = struct{}{}
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}
|
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|
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for _, t := range g.Tags {
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if _, ok := tags[*t.Key]; ok {
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tagsList = append(tagsList, t)
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}
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}
|
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d.Set("tags", autoscalingTagDescriptionsToSlice(tagsList))
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}
|
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|
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if !tagOk && !tagsOk {
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d.Set("tag", autoscalingTagDescriptionsToSlice(g.Tags))
|
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}
|
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|
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d.Set("vpc_zone_identifier", strings.Split(*g.VPCZoneIdentifier, ","))
|
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d.Set("protect_from_scale_in", g.NewInstancesProtectedFromScaleIn)
|
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|
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// If no termination polices are explicitly configured and the upstream state
|
|
// is only using the "Default" policy, clear the state to make it consistent
|
|
// with the default AWS create API behavior.
|
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_, ok := d.GetOk("termination_policies")
|
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if !ok && len(g.TerminationPolicies) == 1 && *g.TerminationPolicies[0] == "Default" {
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d.Set("termination_policies", []interface{}{})
|
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} else {
|
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d.Set("termination_policies", flattenStringList(g.TerminationPolicies))
|
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}
|
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|
|
if g.EnabledMetrics != nil {
|
|
if err := d.Set("enabled_metrics", flattenAsgEnabledMetrics(g.EnabledMetrics)); err != nil {
|
|
log.Printf("[WARN] Error setting metrics for (%s): %s", d.Id(), err)
|
|
}
|
|
d.Set("metrics_granularity", g.EnabledMetrics[0].Granularity)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func resourceAwsAutoscalingGroupUpdate(d *schema.ResourceData, meta interface{}) error {
|
|
conn := meta.(*AWSClient).autoscalingconn
|
|
shouldWaitForCapacity := false
|
|
|
|
opts := autoscaling.UpdateAutoScalingGroupInput{
|
|
AutoScalingGroupName: aws.String(d.Id()),
|
|
}
|
|
|
|
opts.NewInstancesProtectedFromScaleIn = aws.Bool(d.Get("protect_from_scale_in").(bool))
|
|
|
|
if d.HasChange("default_cooldown") {
|
|
opts.DefaultCooldown = aws.Int64(int64(d.Get("default_cooldown").(int)))
|
|
}
|
|
|
|
if d.HasChange("desired_capacity") {
|
|
opts.DesiredCapacity = aws.Int64(int64(d.Get("desired_capacity").(int)))
|
|
shouldWaitForCapacity = true
|
|
}
|
|
|
|
if d.HasChange("launch_configuration") {
|
|
opts.LaunchConfigurationName = aws.String(d.Get("launch_configuration").(string))
|
|
}
|
|
|
|
if d.HasChange("min_size") {
|
|
opts.MinSize = aws.Int64(int64(d.Get("min_size").(int)))
|
|
shouldWaitForCapacity = true
|
|
}
|
|
|
|
if d.HasChange("max_size") {
|
|
opts.MaxSize = aws.Int64(int64(d.Get("max_size").(int)))
|
|
}
|
|
|
|
if d.HasChange("health_check_grace_period") {
|
|
opts.HealthCheckGracePeriod = aws.Int64(int64(d.Get("health_check_grace_period").(int)))
|
|
}
|
|
|
|
if d.HasChange("health_check_type") {
|
|
opts.HealthCheckGracePeriod = aws.Int64(int64(d.Get("health_check_grace_period").(int)))
|
|
opts.HealthCheckType = aws.String(d.Get("health_check_type").(string))
|
|
}
|
|
|
|
if d.HasChange("vpc_zone_identifier") {
|
|
opts.VPCZoneIdentifier = expandVpcZoneIdentifiers(d.Get("vpc_zone_identifier").(*schema.Set).List())
|
|
}
|
|
|
|
if d.HasChange("availability_zones") {
|
|
if v, ok := d.GetOk("availability_zones"); ok && v.(*schema.Set).Len() > 0 {
|
|
opts.AvailabilityZones = expandStringList(v.(*schema.Set).List())
|
|
}
|
|
}
|
|
|
|
if d.HasChange("placement_group") {
|
|
opts.PlacementGroup = aws.String(d.Get("placement_group").(string))
|
|
}
|
|
|
|
if d.HasChange("termination_policies") {
|
|
// If the termination policy is set to null, we need to explicitly set
|
|
// it back to "Default", or the API won't reset it for us.
|
|
if v, ok := d.GetOk("termination_policies"); ok && len(v.([]interface{})) > 0 {
|
|
opts.TerminationPolicies = expandStringList(v.([]interface{}))
|
|
} else {
|
|
log.Printf("[DEBUG] Explicitly setting null termination policy to 'Default'")
|
|
opts.TerminationPolicies = aws.StringSlice([]string{"Default"})
|
|
}
|
|
}
|
|
|
|
if err := setAutoscalingTags(conn, d); err != nil {
|
|
return err
|
|
}
|
|
|
|
if d.HasChange("tag") {
|
|
d.SetPartial("tag")
|
|
}
|
|
|
|
if d.HasChange("tags") {
|
|
d.SetPartial("tags")
|
|
}
|
|
|
|
log.Printf("[DEBUG] AutoScaling Group update configuration: %#v", opts)
|
|
_, err := conn.UpdateAutoScalingGroup(&opts)
|
|
if err != nil {
|
|
d.Partial(true)
|
|
return fmt.Errorf("Error updating Autoscaling group: %s", err)
|
|
}
|
|
|
|
if d.HasChange("load_balancers") {
|
|
|
|
o, n := d.GetChange("load_balancers")
|
|
if o == nil {
|
|
o = new(schema.Set)
|
|
}
|
|
if n == nil {
|
|
n = new(schema.Set)
|
|
}
|
|
|
|
os := o.(*schema.Set)
|
|
ns := n.(*schema.Set)
|
|
remove := expandStringList(os.Difference(ns).List())
|
|
add := expandStringList(ns.Difference(os).List())
|
|
|
|
if len(remove) > 0 {
|
|
_, err := conn.DetachLoadBalancers(&autoscaling.DetachLoadBalancersInput{
|
|
AutoScalingGroupName: aws.String(d.Id()),
|
|
LoadBalancerNames: remove,
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("[WARN] Error updating Load Balancers for AutoScaling Group (%s), error: %s", d.Id(), err)
|
|
}
|
|
}
|
|
|
|
if len(add) > 0 {
|
|
_, err := conn.AttachLoadBalancers(&autoscaling.AttachLoadBalancersInput{
|
|
AutoScalingGroupName: aws.String(d.Id()),
|
|
LoadBalancerNames: add,
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("[WARN] Error updating Load Balancers for AutoScaling Group (%s), error: %s", d.Id(), err)
|
|
}
|
|
}
|
|
}
|
|
|
|
if d.HasChange("target_group_arns") {
|
|
|
|
o, n := d.GetChange("target_group_arns")
|
|
if o == nil {
|
|
o = new(schema.Set)
|
|
}
|
|
if n == nil {
|
|
n = new(schema.Set)
|
|
}
|
|
|
|
os := o.(*schema.Set)
|
|
ns := n.(*schema.Set)
|
|
remove := expandStringList(os.Difference(ns).List())
|
|
add := expandStringList(ns.Difference(os).List())
|
|
|
|
if len(remove) > 0 {
|
|
_, err := conn.DetachLoadBalancerTargetGroups(&autoscaling.DetachLoadBalancerTargetGroupsInput{
|
|
AutoScalingGroupName: aws.String(d.Id()),
|
|
TargetGroupARNs: remove,
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("[WARN] Error updating Load Balancers Target Groups for AutoScaling Group (%s), error: %s", d.Id(), err)
|
|
}
|
|
}
|
|
|
|
if len(add) > 0 {
|
|
_, err := conn.AttachLoadBalancerTargetGroups(&autoscaling.AttachLoadBalancerTargetGroupsInput{
|
|
AutoScalingGroupName: aws.String(d.Id()),
|
|
TargetGroupARNs: add,
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("[WARN] Error updating Load Balancers Target Groups for AutoScaling Group (%s), error: %s", d.Id(), err)
|
|
}
|
|
}
|
|
}
|
|
|
|
if shouldWaitForCapacity {
|
|
if err := waitForASGCapacity(d, meta, capacitySatisfiedUpdate); err != nil {
|
|
return errwrap.Wrapf("Error waiting for AutoScaling Group Capacity: {{err}}", err)
|
|
}
|
|
}
|
|
|
|
if d.HasChange("enabled_metrics") {
|
|
if err := updateASGMetricsCollection(d, conn); err != nil {
|
|
return errwrap.Wrapf("Error updating AutoScaling Group Metrics collection: {{err}}", err)
|
|
}
|
|
}
|
|
|
|
if d.HasChange("suspended_processes") {
|
|
if err := updateASGSuspendedProcesses(d, conn); err != nil {
|
|
return errwrap.Wrapf("Error updating AutoScaling Group Suspended Processes: {{err}}", err)
|
|
}
|
|
}
|
|
|
|
return resourceAwsAutoscalingGroupRead(d, meta)
|
|
}
|
|
|
|
func resourceAwsAutoscalingGroupDelete(d *schema.ResourceData, meta interface{}) error {
|
|
conn := meta.(*AWSClient).autoscalingconn
|
|
|
|
// Read the autoscaling group first. If it doesn't exist, we're done.
|
|
// We need the group in order to check if there are instances attached.
|
|
// If so, we need to remove those first.
|
|
g, err := getAwsAutoscalingGroup(d.Id(), conn)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if g == nil {
|
|
log.Printf("[INFO] Autoscaling Group %q not found", d.Id())
|
|
d.SetId("")
|
|
return nil
|
|
}
|
|
if len(g.Instances) > 0 || *g.DesiredCapacity > 0 {
|
|
if err := resourceAwsAutoscalingGroupDrain(d, meta); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
log.Printf("[DEBUG] AutoScaling Group destroy: %v", d.Id())
|
|
deleteopts := autoscaling.DeleteAutoScalingGroupInput{
|
|
AutoScalingGroupName: aws.String(d.Id()),
|
|
ForceDelete: aws.Bool(d.Get("force_delete").(bool)),
|
|
}
|
|
|
|
// We retry the delete operation to handle InUse/InProgress errors coming
|
|
// from scaling operations. We should be able to sneak in a delete in between
|
|
// scaling operations within 5m.
|
|
err = resource.Retry(5*time.Minute, func() *resource.RetryError {
|
|
if _, err := conn.DeleteAutoScalingGroup(&deleteopts); err != nil {
|
|
if awserr, ok := err.(awserr.Error); ok {
|
|
switch awserr.Code() {
|
|
case "InvalidGroup.NotFound":
|
|
// Already gone? Sure!
|
|
return nil
|
|
case "ResourceInUse", "ScalingActivityInProgress":
|
|
// These are retryable
|
|
return resource.RetryableError(awserr)
|
|
}
|
|
}
|
|
// Didn't recognize the error, so shouldn't retry.
|
|
return resource.NonRetryableError(err)
|
|
}
|
|
// Successful delete
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return resource.Retry(5*time.Minute, func() *resource.RetryError {
|
|
if g, _ = getAwsAutoscalingGroup(d.Id(), conn); g != nil {
|
|
return resource.RetryableError(
|
|
fmt.Errorf("Auto Scaling Group still exists"))
|
|
}
|
|
return nil
|
|
})
|
|
}
|
|
|
|
func getAwsAutoscalingGroup(
|
|
asgName string,
|
|
conn *autoscaling.AutoScaling) (*autoscaling.Group, error) {
|
|
|
|
describeOpts := autoscaling.DescribeAutoScalingGroupsInput{
|
|
AutoScalingGroupNames: []*string{aws.String(asgName)},
|
|
}
|
|
|
|
log.Printf("[DEBUG] AutoScaling Group describe configuration: %#v", describeOpts)
|
|
describeGroups, err := conn.DescribeAutoScalingGroups(&describeOpts)
|
|
if err != nil {
|
|
autoscalingerr, ok := err.(awserr.Error)
|
|
if ok && autoscalingerr.Code() == "InvalidGroup.NotFound" {
|
|
return nil, nil
|
|
}
|
|
|
|
return nil, fmt.Errorf("Error retrieving AutoScaling groups: %s", err)
|
|
}
|
|
|
|
// Search for the autoscaling group
|
|
for idx, asc := range describeGroups.AutoScalingGroups {
|
|
if *asc.AutoScalingGroupName == asgName {
|
|
return describeGroups.AutoScalingGroups[idx], nil
|
|
}
|
|
}
|
|
|
|
return nil, nil
|
|
}
|
|
|
|
func resourceAwsAutoscalingGroupDrain(d *schema.ResourceData, meta interface{}) error {
|
|
conn := meta.(*AWSClient).autoscalingconn
|
|
|
|
if d.Get("force_delete").(bool) {
|
|
log.Printf("[DEBUG] Skipping ASG drain, force_delete was set.")
|
|
return nil
|
|
}
|
|
|
|
// First, set the capacity to zero so the group will drain
|
|
log.Printf("[DEBUG] Reducing autoscaling group capacity to zero")
|
|
opts := autoscaling.UpdateAutoScalingGroupInput{
|
|
AutoScalingGroupName: aws.String(d.Id()),
|
|
DesiredCapacity: aws.Int64(0),
|
|
MinSize: aws.Int64(0),
|
|
MaxSize: aws.Int64(0),
|
|
}
|
|
if _, err := conn.UpdateAutoScalingGroup(&opts); err != nil {
|
|
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() *resource.RetryError {
|
|
g, err := getAwsAutoscalingGroup(d.Id(), conn)
|
|
if err != nil {
|
|
return resource.NonRetryableError(err)
|
|
}
|
|
if g == nil {
|
|
log.Printf("[INFO] Autoscaling Group %q not found", d.Id())
|
|
d.SetId("")
|
|
return nil
|
|
}
|
|
|
|
if len(g.Instances) == 0 {
|
|
return nil
|
|
}
|
|
|
|
return resource.RetryableError(
|
|
fmt.Errorf("group still has %d instances", len(g.Instances)))
|
|
})
|
|
}
|
|
|
|
func enableASGSuspendedProcesses(d *schema.ResourceData, conn *autoscaling.AutoScaling) error {
|
|
props := &autoscaling.ScalingProcessQuery{
|
|
AutoScalingGroupName: aws.String(d.Id()),
|
|
ScalingProcesses: expandStringList(d.Get("suspended_processes").(*schema.Set).List()),
|
|
}
|
|
|
|
_, err := conn.SuspendProcesses(props)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func enableASGMetricsCollection(d *schema.ResourceData, conn *autoscaling.AutoScaling) error {
|
|
props := &autoscaling.EnableMetricsCollectionInput{
|
|
AutoScalingGroupName: aws.String(d.Id()),
|
|
Granularity: aws.String(d.Get("metrics_granularity").(string)),
|
|
Metrics: expandStringList(d.Get("enabled_metrics").(*schema.Set).List()),
|
|
}
|
|
|
|
log.Printf("[INFO] Enabling metrics collection for the ASG: %s", d.Id())
|
|
_, metricsErr := conn.EnableMetricsCollection(props)
|
|
if metricsErr != nil {
|
|
return metricsErr
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func updateASGSuspendedProcesses(d *schema.ResourceData, conn *autoscaling.AutoScaling) error {
|
|
o, n := d.GetChange("suspended_processes")
|
|
if o == nil {
|
|
o = new(schema.Set)
|
|
}
|
|
if n == nil {
|
|
n = new(schema.Set)
|
|
}
|
|
|
|
os := o.(*schema.Set)
|
|
ns := n.(*schema.Set)
|
|
|
|
resumeProcesses := os.Difference(ns)
|
|
if resumeProcesses.Len() != 0 {
|
|
props := &autoscaling.ScalingProcessQuery{
|
|
AutoScalingGroupName: aws.String(d.Id()),
|
|
ScalingProcesses: expandStringList(resumeProcesses.List()),
|
|
}
|
|
|
|
_, err := conn.ResumeProcesses(props)
|
|
if err != nil {
|
|
return fmt.Errorf("Error Resuming Processes for ASG %q: %s", d.Id(), err)
|
|
}
|
|
}
|
|
|
|
suspendedProcesses := ns.Difference(os)
|
|
if suspendedProcesses.Len() != 0 {
|
|
props := &autoscaling.ScalingProcessQuery{
|
|
AutoScalingGroupName: aws.String(d.Id()),
|
|
ScalingProcesses: expandStringList(suspendedProcesses.List()),
|
|
}
|
|
|
|
_, err := conn.SuspendProcesses(props)
|
|
if err != nil {
|
|
return fmt.Errorf("Error Suspending Processes for ASG %q: %s", d.Id(), err)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
func updateASGMetricsCollection(d *schema.ResourceData, conn *autoscaling.AutoScaling) error {
|
|
|
|
o, n := d.GetChange("enabled_metrics")
|
|
if o == nil {
|
|
o = new(schema.Set)
|
|
}
|
|
if n == nil {
|
|
n = new(schema.Set)
|
|
}
|
|
|
|
os := o.(*schema.Set)
|
|
ns := n.(*schema.Set)
|
|
|
|
disableMetrics := os.Difference(ns)
|
|
if disableMetrics.Len() != 0 {
|
|
props := &autoscaling.DisableMetricsCollectionInput{
|
|
AutoScalingGroupName: aws.String(d.Id()),
|
|
Metrics: expandStringList(disableMetrics.List()),
|
|
}
|
|
|
|
_, err := conn.DisableMetricsCollection(props)
|
|
if err != nil {
|
|
return fmt.Errorf("Failure to Disable metrics collection types for ASG %s: %s", d.Id(), err)
|
|
}
|
|
}
|
|
|
|
enabledMetrics := ns.Difference(os)
|
|
if enabledMetrics.Len() != 0 {
|
|
props := &autoscaling.EnableMetricsCollectionInput{
|
|
AutoScalingGroupName: aws.String(d.Id()),
|
|
Metrics: expandStringList(enabledMetrics.List()),
|
|
Granularity: aws.String(d.Get("metrics_granularity").(string)),
|
|
}
|
|
|
|
_, err := conn.EnableMetricsCollection(props)
|
|
if err != nil {
|
|
return fmt.Errorf("Failure to Enable metrics collection types for ASG %s: %s", d.Id(), err)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// getELBInstanceStates returns a mapping of the instance states of all the ELBs attached to the
|
|
// provided ASG.
|
|
//
|
|
// Note that this is the instance state function for ELB Classic.
|
|
//
|
|
// Nested like: lbName -> instanceId -> instanceState
|
|
func getELBInstanceStates(g *autoscaling.Group, meta interface{}) (map[string]map[string]string, error) {
|
|
lbInstanceStates := make(map[string]map[string]string)
|
|
elbconn := meta.(*AWSClient).elbconn
|
|
|
|
for _, lbName := range g.LoadBalancerNames {
|
|
lbInstanceStates[*lbName] = make(map[string]string)
|
|
opts := &elb.DescribeInstanceHealthInput{LoadBalancerName: lbName}
|
|
r, err := elbconn.DescribeInstanceHealth(opts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
for _, is := range r.InstanceStates {
|
|
if is.InstanceId == nil || is.State == nil {
|
|
continue
|
|
}
|
|
lbInstanceStates[*lbName][*is.InstanceId] = *is.State
|
|
}
|
|
}
|
|
|
|
return lbInstanceStates, nil
|
|
}
|
|
|
|
// getTargetGroupInstanceStates returns a mapping of the instance states of
|
|
// all the ALB target groups attached to the provided ASG.
|
|
//
|
|
// Note that this is the instance state function for Application Load
|
|
// Balancing (aka ELBv2).
|
|
//
|
|
// Nested like: targetGroupARN -> instanceId -> instanceState
|
|
func getTargetGroupInstanceStates(g *autoscaling.Group, meta interface{}) (map[string]map[string]string, error) {
|
|
targetInstanceStates := make(map[string]map[string]string)
|
|
elbv2conn := meta.(*AWSClient).elbv2conn
|
|
|
|
for _, targetGroupARN := range g.TargetGroupARNs {
|
|
targetInstanceStates[*targetGroupARN] = make(map[string]string)
|
|
opts := &elbv2.DescribeTargetHealthInput{TargetGroupArn: targetGroupARN}
|
|
r, err := elbv2conn.DescribeTargetHealth(opts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
for _, desc := range r.TargetHealthDescriptions {
|
|
if desc.Target == nil || desc.Target.Id == nil || desc.TargetHealth == nil || desc.TargetHealth.State == nil {
|
|
continue
|
|
}
|
|
targetInstanceStates[*targetGroupARN][*desc.Target.Id] = *desc.TargetHealth.State
|
|
}
|
|
}
|
|
|
|
return targetInstanceStates, nil
|
|
}
|
|
|
|
func expandVpcZoneIdentifiers(list []interface{}) *string {
|
|
strs := make([]string, len(list))
|
|
for _, s := range list {
|
|
strs = append(strs, s.(string))
|
|
}
|
|
return aws.String(strings.Join(strs, ","))
|
|
}
|