community.general/lib/ansible/module_utils/aws/waiters.py

53 lines
1.5 KiB
Python

# Copyright: (c) 2018, Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
try:
import botocore.waiter as core_waiter
except ImportError:
pass # caught by HAS_BOTO3
ec2_data = {
"version": 2,
"waiters": {
"RouteTableExists": {
"delay": 5,
"maxAttempts": 40,
"operation": "DescribeRouteTables",
"acceptors": [
{
"matcher": "path",
"expected": True,
"argument": "length(RouteTables[]) > `0`",
"state": "success"
},
{
"matcher": "error",
"expected": "InvalidRouteTableID.NotFound",
"state": "retry"
}
]
}
}
}
def model_for(name):
ec2_models = core_waiter.WaiterModel(waiter_config=ec2_data)
return ec2_models.get_waiter(name)
waiters_by_name = {
('EC2', 'route_table_exists'): lambda ec2: core_waiter.Waiter(
'route_table_exists',
model_for('RouteTableExists'),
ec2.describe_route_tables)
}
def get_waiter(client, waiter_name):
try:
return waiters_by_name[(client.__class__.__name__, waiter_name)](client)
except KeyError:
raise NotImplementedError("Waiter {0} could not be found for client {1}. Available waiters: {2}".format(
waiter_name, type(client), ', '.join(repr(k) for k in waiters_by_name.keys())))