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Merge pull request #10110 from paybyphone/pbp_asg_doc_initial_lifecycle 

docs/aws: Document initial_lifecycle_hook in aws_autoscaling_group
This commit is contained in:
Paul Stack 2016-11-15 04:59:09 +00:00 committed by GitHub
parent 922a39734d 051a4227d0
commit b33adf10f8
2 changed files with 62 additions and 16 deletions
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64
website/source/docs/providers/aws/r/autoscaling_group.html.markdown
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@ -14,30 +14,47 @@ Provides an AutoScaling Group resource.
```
resource "aws_placement_group" "test" {
name = "test"
name = "test"
strategy = "cluster"
}
resource "aws_autoscaling_group" "bar" {
availability_zones = ["us-east-1a"]
name = "foobar3-terraform-test"
max_size = 5
min_size = 2
availability_zones = ["us-east-1a"]
name = "foobar3-terraform-test"
max_size = 5
min_size = 2
health_check_grace_period = 300
health_check_type = "ELB"
desired_capacity = 4
force_delete = true
placement_group = "${aws_placement_group.test.id}"
launch_configuration = "${aws_launch_configuration.foobar.name}"
health_check_type = "ELB"
desired_capacity = 4
force_delete = true
placement_group = "${aws_placement_group.test.id}"
launch_configuration = "${aws_launch_configuration.foobar.name}"
initial_lifecycle_hook {
name = "foobar"
default_result = "CONTINUE"
heartbeat_timeout = 2000
lifecycle_transition = "autoscaling:EC2_INSTANCE_LAUNCHING"
notification_metadata = <<EOF
{
"foo": "bar"
}
EOF
notification_target_arn = "arn:aws:sqs:us-east-1:444455556666:queue1*"
role_arn = "arn:aws:iam::123456789012:role/S3Access"
}
tag {
key = "foo"
value = "bar"
key = "foo"
value = "bar"
propagate_at_launch = true
}
tag {
key = "lorem"
value = "ipsum"
key = "lorem"
value = "ipsum"
propagate_at_launch = false
}
}
@ -54,6 +71,12 @@ The following arguments are supported:
* `availability_zones` - (Optional) A list of AZs to launch resources in.
Required only if you do not specify any `vpc_zone_identifier`
* `launch_configuration` - (Required) The name of the launch configuration to use.
* `initial_lifecycle_hook` - (Optional) One or more
[Lifecycle Hooks](http://docs.aws.amazon.com/autoscaling/latest/userguide/lifecycle-hooks.html)
to attach to the autoscaling group **before** instances are launched. The
syntax is exactly the same as the separate
[`aws_autoscaling_lifecycle_hook`](/docs/providers/aws/r/autoscaling_lifecycle_hooks.html)
resource, without the `autoscaling_group_name` attribute.
* `health_check_grace_period` - (Optional, Default: 300) Time (in seconds) after instance comes into service before checking health.
* `health_check_type` - (Optional) "EC2" or "ELB". Controls how health checking is done.
* `desired_capacity` - (Optional) The number of Amazon EC2 instances that
@ -120,7 +143,18 @@ The following attributes are exported:
* `target_group_arns` (Optional) list of Target Group ARNs that apply to this
AutoScaling Group
~> **NOTE:** When using `ELB` as the health_check_type, `health_check_grace_period` is required.
~> **NOTE:** When using `ELB` as the `health_check_type`, `health_check_grace_period` is required.
~> **NOTE:** Terraform has two types of ways you can add lifecycle hooks - via
the `initial_lifecycle_hook` attribute from this resource, or via the separate
[`aws_autoscaling_lifecycle_hook`](/docs/providers/aws/r/autoscaling_lifecycle_hooks.html)
resource. `initial_lifecycle_hook` exists here because any lifecycle hooks
added with `aws_autoscaling_lifecycle_hook` will not be added until the
autoscaling group has been created, and depending on your
[capacity](#waiting-for-capacity) settings, after the initial instances have
been launched, creating unintended behavior. If you need hooks to run on all
instances, add them with `initial_lifecycle_hook` here, but take
care to not duplicate these hooks in `aws_autoscaling_lifecycle_hook`.
## Waiting for Capacity

14
website/source/docs/providers/aws/r/autoscaling_lifecycle_hooks.html.markdown
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@ -10,6 +10,18 @@ description: |-
Provides an AutoScaling Lifecycle Hook resource.
~> **NOTE:** Terraform has two types of ways you can add lifecycle hooks - via
the `initial_lifecycle_hook` attribute from the
[`aws_autoscaling_group`](/docs/providers/aws/r/autoscaling_group.html)
resource, or via this one. Hooks added via this resource will not be added
until the autoscaling group has been created, and depending on your
[capacity](/docs/providers/aws/r/autoscaling_group.html#waiting-for-capacity)
settings, after the initial instances have been launched, creating unintended
behavior. If you need hooks to run on all instances, add them with
`initial_lifecycle_hook` in
[`aws_autoscaling_group`](/docs/providers/aws/r/autoscaling_group.html),
but take care to not duplicate those hooks with this resource.
## Example Usage
```
@ -52,4 +64,4 @@ The following arguments are supported:
* `lifecycle_transition` - (Optional) The instance state to which you want to attach the lifecycle hook. For a list of lifecycle hook types, see [describe-lifecycle-hook-types](https://docs.aws.amazon.com/cli/latest/reference/autoscaling/describe-lifecycle-hook-types.html#examples)
* `notification_metadata` - (Optional) Contains additional information that you want to include any time Auto Scaling sends a message to the notification target.
* `notification_target_arn` - (Optional) The ARN of the notification target that Auto Scaling will use to notify you when an instance is in the transition state for the lifecycle hook. This ARN target can be either an SQS queue or an SNS topic.
* `role_arn` - (Optional) The ARN of the IAM role that allows the Auto Scaling group to publish to the specified notification target.
* `role_arn` - (Optional) The ARN of the IAM role that allows the Auto Scaling group to publish to the specified notification target.