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Minor formatting (#53178)

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John R Barker 2019-03-04 13:28:48 +00:00 committed by Alicia Cozine
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commit 2033b3d066
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lib/ansible/modules/cloud/amazon/GUIDELINES.md
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@ -1,8 +1,8 @@
# Guidelines for AWS modules
# Guidelines for Ansible Amazon AWS module development
The Ansible AWS modules and these guidelines are maintained by the Ansible AWS Working Group. For
further information see
[the AWS working group community page](https://github.com/ansible/community/tree/master/group-aws).
[the AWS working group community page](https://github.com/ansible/community/wiki/aws).
If you are planning to contribute AWS modules to Ansible then getting in touch with the working
group will be a good way to start, especially because a similar module may already be under
development.
@ -25,7 +25,7 @@ the amount of boilerplate code.
Change
```
```python
from ansible.module_utils.basic import AnsibleModule
...
module = AnsibleModule(...)
@ -33,7 +33,7 @@ module = AnsibleModule(...)
to
```
```python
from ansible.module_utils.aws.core import AnsibleAWSModule
...
module = AnsibleAWSModule(...)
@ -47,7 +47,7 @@ When porting, keep in mind that AnsibleAWSModule also will add the default ec2
argument spec by default. In pre-port modules, you should see common arguments
specified with:
```
```python
def main():
argument_spec = ec2_argument_spec()
argument_spec.update(dict(
@ -323,7 +323,7 @@ except botocore.exceptions.BotoCoreError as e:
module.fail_json_aws(e, msg="Couldn't obtain frooble %s" % name)
```
### API throttling and pagination
### API throttling (rate limiting) and pagination
For methods that return a lot of results, boto3 often provides
[paginators](http://boto3.readthedocs.io/en/latest/guide/paginators.html). If the method
@ -343,9 +343,9 @@ the [cloud module_utils](/lib/ansible/module_utils/cloud.py)
and [AWS Architecture blog](https://www.awsarchitectureblog.com/2015/03/backoff.html)
for more details.
The combination of these two approaches is then
The combination of these two approaches is then:
```
```python
@AWSRetry.exponential_backoff(retries=5, delay=5)
def describe_some_resource_with_backoff(client, **kwargs):
paginator = client.get_paginator('describe_some_resource')
@ -368,7 +368,7 @@ To handle authorization failures or parameter validation errors in
`describe_some_resource_with_backoff`, where we just want to return `None` if
the resource doesn't exist and not retry, we need:
```
```python
@AWSRetry.exponential_backoff(retries=5, delay=5)
def describe_some_resource_with_backoff(client, **kwargs):
try:
@ -394,7 +394,7 @@ To make use of AWSRetry easier, it can now be wrapped around a client returned
by `AnsibleAWSModule`. any call from a client. To add retries to a client,
create a client:
```
```python
module.client('ec2', retry_decorator=AWSRetry.jittered_backoff(retries=10))
```