forked from hashicorp/terraform-provider-aws
/
resource_aws_autoscaling_schedule.go
219 lines (188 loc) · 6.37 KB
/
resource_aws_autoscaling_schedule.go
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package aws
import (
"fmt"
"log"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/autoscaling"
"github.com/hashicorp/terraform/helper/schema"
)
const awsAutoscalingScheduleTimeLayout = "2006-01-02T15:04:05Z"
func resourceAwsAutoscalingSchedule() *schema.Resource {
return &schema.Resource{
Create: resourceAwsAutoscalingScheduleCreate,
Read: resourceAwsAutoscalingScheduleRead,
Update: resourceAwsAutoscalingScheduleCreate,
Delete: resourceAwsAutoscalingScheduleDelete,
Schema: map[string]*schema.Schema{
"arn": {
Type: schema.TypeString,
Computed: true,
},
"scheduled_action_name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"autoscaling_group_name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"start_time": {
Type: schema.TypeString,
Optional: true,
Computed: true,
ValidateFunc: validateASGScheduleTimestamp,
},
"end_time": {
Type: schema.TypeString,
Optional: true,
Computed: true,
ValidateFunc: validateASGScheduleTimestamp,
},
"recurrence": {
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"min_size": {
Type: schema.TypeInt,
Optional: true,
Computed: true,
},
"max_size": {
Type: schema.TypeInt,
Optional: true,
Computed: true,
},
"desired_capacity": {
Type: schema.TypeInt,
Optional: true,
Computed: true,
},
},
}
}
func resourceAwsAutoscalingScheduleCreate(d *schema.ResourceData, meta interface{}) error {
autoscalingconn := meta.(*AWSClient).autoscalingconn
params := &autoscaling.PutScheduledUpdateGroupActionInput{
AutoScalingGroupName: aws.String(d.Get("autoscaling_group_name").(string)),
ScheduledActionName: aws.String(d.Get("scheduled_action_name").(string)),
}
if attr, ok := d.GetOk("start_time"); ok {
t, err := time.Parse(awsAutoscalingScheduleTimeLayout, attr.(string))
if err != nil {
return fmt.Errorf("Error Parsing AWS Autoscaling Group Schedule Start Time: %s", err.Error())
}
params.StartTime = aws.Time(t)
}
if attr, ok := d.GetOk("end_time"); ok {
t, err := time.Parse(awsAutoscalingScheduleTimeLayout, attr.(string))
if err != nil {
return fmt.Errorf("Error Parsing AWS Autoscaling Group Schedule End Time: %s", err.Error())
}
params.EndTime = aws.Time(t)
}
if attr, ok := d.GetOk("recurrence"); ok {
params.Recurrence = aws.String(attr.(string))
}
// Scheduled actions don't need to set all three size parameters. For example,
// you may want to change the min or max without also forcing an immediate
// resize by changing a desired_capacity that may have changed due to other
// autoscaling rules. Since Terraform doesn't have a great pattern for
// differentiating between 0 and unset fields, we accept "-1" to mean "don't
// include this parameter in the action".
minSize := int64(d.Get("min_size").(int))
maxSize := int64(d.Get("max_size").(int))
desiredCapacity := int64(d.Get("desired_capacity").(int))
if minSize != -1 {
params.MinSize = aws.Int64(minSize)
}
if maxSize != -1 {
params.MaxSize = aws.Int64(maxSize)
}
if desiredCapacity != -1 {
params.DesiredCapacity = aws.Int64(desiredCapacity)
}
log.Printf("[INFO] Creating Autoscaling Scheduled Action: %s", d.Get("scheduled_action_name").(string))
_, err := autoscalingconn.PutScheduledUpdateGroupAction(params)
if err != nil {
return fmt.Errorf("Error Creating Autoscaling Scheduled Action: %s", err.Error())
}
d.SetId(d.Get("scheduled_action_name").(string))
return resourceAwsAutoscalingScheduleRead(d, meta)
}
func resourceAwsAutoscalingScheduleRead(d *schema.ResourceData, meta interface{}) error {
sa, err, exists := resourceAwsASGScheduledActionRetrieve(d, meta)
if err != nil {
return err
}
if !exists {
log.Printf("[WARN] Autoscaling Scheduled Action (%s) not found, removing from state", d.Id())
d.SetId("")
return nil
}
d.Set("autoscaling_group_name", sa.AutoScalingGroupName)
d.Set("arn", sa.ScheduledActionARN)
if sa.MinSize == nil {
d.Set("min_size", -1)
} else {
d.Set("min_size", sa.MinSize)
}
if sa.MaxSize == nil {
d.Set("max_size", -1)
} else {
d.Set("max_size", sa.MaxSize)
}
if sa.DesiredCapacity == nil {
d.Set("desired_capacity", -1)
} else {
d.Set("desired_capacity", sa.DesiredCapacity)
}
d.Set("recurrence", sa.Recurrence)
if sa.StartTime != nil {
d.Set("start_time", sa.StartTime.Format(awsAutoscalingScheduleTimeLayout))
}
if sa.EndTime != nil {
d.Set("end_time", sa.EndTime.Format(awsAutoscalingScheduleTimeLayout))
}
return nil
}
func resourceAwsAutoscalingScheduleDelete(d *schema.ResourceData, meta interface{}) error {
autoscalingconn := meta.(*AWSClient).autoscalingconn
params := &autoscaling.DeleteScheduledActionInput{
AutoScalingGroupName: aws.String(d.Get("autoscaling_group_name").(string)),
ScheduledActionName: aws.String(d.Id()),
}
log.Printf("[INFO] Deleting Autoscaling Scheduled Action: %s", d.Id())
_, err := autoscalingconn.DeleteScheduledAction(params)
if err != nil {
return fmt.Errorf("Error deleting Autoscaling Scheduled Action: %s", err.Error())
}
return nil
}
func resourceAwsASGScheduledActionRetrieve(d *schema.ResourceData, meta interface{}) (*autoscaling.ScheduledUpdateGroupAction, error, bool) {
autoscalingconn := meta.(*AWSClient).autoscalingconn
params := &autoscaling.DescribeScheduledActionsInput{
AutoScalingGroupName: aws.String(d.Get("autoscaling_group_name").(string)),
ScheduledActionNames: []*string{aws.String(d.Id())},
}
log.Printf("[INFO] Describing Autoscaling Scheduled Action: %+v", params)
actions, err := autoscalingconn.DescribeScheduledActions(params)
if err != nil {
//A ValidationError here can mean that either the Schedule is missing OR the Autoscaling Group is missing
if ec2err, ok := err.(awserr.Error); ok && ec2err.Code() == "ValidationError" {
log.Printf("[WARN] Autoscaling Scheduled Action (%s) not found, removing from state", d.Id())
d.SetId("")
return nil, nil, false
}
return nil, fmt.Errorf("Error retrieving Autoscaling Scheduled Actions: %s", err), false
}
if len(actions.ScheduledUpdateGroupActions) != 1 ||
*actions.ScheduledUpdateGroupActions[0].ScheduledActionName != d.Id() {
return nil, nil, false
}
return actions.ScheduledUpdateGroupActions[0], nil, true
}