Hi,
I'm trying to use the rds_subnet_group module to create a subnet group with
all the subnets defined in my VPC, but I'm having trouble finding a way of
using the subnet ids from a registered vpc variable.
So, first I create a VPC & register the response:
- name: Create VPC
local_action:
module: ec2_vpc
state: present
subnets: ...
route_tables: ...
register: vpc
This works well and the result looks like:
TASK: [debug var=vpc]
*********************************************************
ok: [localhost] => {
"vpc": {
"changed": true,
"invocation": {
"module_args": "",
"module_name": "ec2_vpc"
},
"subnets": [
{
"az": "eu-west-11",
"cidr": "10.55.81.0/24",
"id": "subnet-d1d21ea6",
"resource_tags": {
"Environment": "test",
"Name": "test_euw1a_app",
}
},
{ ... } ] }
Now I'd like to use the subnet ids (subnets.id) in this response when
creating a RDS subnet with all of them attached:
- name: Create DB subnet group
local_action:
module: rds_subnet_group
state: present
name: "rds-sg"
description: "rds-sg"
subnets:
- "{{ item.id }}"
with_items: vpc.subnets
The problem is that if I have the with_item on the same level of
local_action it seems to make N calls to rds_subnet_group (each with one of
the ids) with fail with:
msg: DB Subnet Group doesn't meet availability zone coverage requirement.
Please add subnets to cover at least 2 availability zones. Current
coverage: 1
So I'd like to add all the subnets in one go (single call with all subnet
ids defined for the "subnets" parameter). With_items doesn't seem to work
when it's nested on the same level with the other params (subnets/state) -
instead I get the error:
fatal: [localhost -> 127.0.0.1] => One or more undefined variables: 'item'
is undefined
What would be the best way to use all the vpc.subnets.id values in a list
and supply those to rds_subnet_group.subnets in one go?
Best regards,
Timo
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