* [cloud] Make ec2_vpc_route_table wait for the route to propagate (#35975)
* Stabilize ec2_vpc_route_table
Wait for route table to be present before attempting to use it
Sleep before getting the final state of the route table in case modifications are incomplete
* Conditionally wait if changes were made
* Simplify logic
(cherry picked from commit 8fb31ac2f01e7c75d5181510290c99aee22be7ef)
* Route custom waiter (#36922)
This creates a way for us to use boto3's data-driven waiter support to use custom waiters where Boto3 hasn't implemented them yet.
The only waiter implemented so far is for VPC Route Tables to check that they exist, and this replaces some custom retry code.
(cherry picked from commit a40bce2bcbd5a40aee0de2b6ab5f6197bb1c5237)
* Use NormalizedOperationMethod to catch ClientErrors so the waiter can handle them properly (#37356)
(cherry picked from commit c9e8aca26cfc7559e7e8c7970acf06cd30cc7629)
* [cloud] Add custom waiters to stabilize ec2_vpc_subnet module - Fixes#36083 (#37534)
* stabilize ec2_vpc_subnet module
* Add waiters for ec2_vpc_subnet
Clean up integration tests
* Reenable CI for stabilized ec2_vpc_subnet tests
* rename waiters
* Use module_json_aws where applicable
Handle WaiterError first if waiting failed
* Fix traceback when tagging with keys/values that look like booleans
* Fix check mode with tags
* Add integration tests for tags that look like booleans and check mode
* Add waiter for deleting subnet
* Sleep a few seconds after using aws command line
(cherry picked from commit ea943e454c783c6b0ffb91b78131f27cd9bce269)
* Fix sporadic errors in ec2_vpc_subnet integration tests (#38473)
(cherry picked from commit 46f13d343786fa3985cc16cc770762984c7884ac)
* [aws] Skip ec2_vpc_subnet waiters for old botocore versions (#39171)
Fix ec2_vpc_subnet for botocore versions that do not accept the WaiterConfig parameter
(cherry picked from commit 6b91dae21c20006677e1e4adf2a9ff7ad55ca49c)
* [aws] Increase possible wait time for nonmonotonic subnet attributes (#38960)
(cherry picked from commit c4f010704890581a4974e83af03c2e81fb29e58e)
* changelog
* Add integration test suite for ec2_vpc_subnet
* wrap boto3 connection in try/except
update module documentation and add RETURN docs
add IPv6 support to VPC subnet module
rename ipv6cidr to ipv6_cidr, use required_if for parameter testing, update some failure messages to be more descriptive
DryRun mode was removed from this function a while ago but exception handling was still checking for it, removed
add wait and timeout for subnet creation process
fixup the ipv6 cidr disassociation logic a bit per review
update RETURN values per review
added module parameter check
removed DryRun parameter from boto3 call since it would always be false here
fix subnet wait loop
add a purge_tags parameter, fix the ensure_tags function, update to use compare_aws_tags func
fix tags type error per review
remove **kwargs use in create_subnet function per review
* rebased on #31870, fixed merge conflicts, and updated error messages
* fixes to pass tests
* add test for failure on invalid ipv6 block and update tags test for purge_tags=true function
* fix pylint issue
* fix exception handling error when run with python3
* add ipv6 tests and fix module code
* Add permissions to hacking/aws_config/testing_policies/ec2-policy.json for adding IPv6 cidr blocks to VPC and subnets
* fix type in tests and update assert conditional to check entire returned value
* add AWS_SESSION_TOKEN into environment for aws cli commands to work in CI
* remove key and value options from call to boto3_tag_list_to_ansible_dict
* remove wait loop and use boto3 EC2 waiter
* remove unused register: result vars
* revert az argument default value to original setting default=None
* Allow backoff for describe_subnets
Improve exception handling to latest standards
* Add integration test suite for ec2_vpc_subnet
* Add test for creating subnet without AZ
Fix bug identified by test
Fixes#31905
