On Thursday, 23 August 2018 21.03.14 CEST [email protected] wrote:
> I have a dict that looks like:
>
> "msg": [
> {
> "assign_ipv6_address_on_creation": false,
> "availability_zone": "us-west-1a",
> "available_ip_address_count": 250,
> "cidr_block": "10.0.1.0/24",
> "default_for_az": false,
> "id": "subnet-030ff449eaea87042",
> "ipv6_cidr_block_association_set": [],
> "map_public_ip_on_launch": false,
> "state": "available",
> "subnet_id": "subnet-030ff449eaea87042",
> "tags": {
> "Name": "private-a"
> },
> "vpc_id": "vpc-0a8c42654fe5f4a2b"
> },
> {
> "assign_ipv6_address_on_creation": false,
> "availability_zone": "us-west-1a",
> "available_ip_address_count": 251,
> "cidr_block": "10.0.2.0/24",
> "default_for_az": false,
> "id": "subnet-0e2db57655e833a66",
> "ipv6_cidr_block_association_set": [],
> "map_public_ip_on_launch": false,
> "state": "available",
> "subnet_id": "subnet-0e2db57655e833a66",
> "tags": {
> "Name": "public-a"
> },
> "vpc_id": "vpc-0a8c42654fe5f4a2b"
> },
<snip />
>
> and I'm attempting to extract subnet_id for only public subnets like so:
>
> - name: set public vpc subnets
> set_fact:
> vpc_public_subnet_ids: "{{ item | selectattr('Name', 'search',
> 'public.+') | map(attribute='subnet_id') | list }}"
> loop: "{{ vpc_subnet_facts.subnets }}"
>
> I've tried a number of ways to filter out this information but to no avail.
> The most common error is *"Unexpected templating type error occurred on ({{
> item | selectattr('Name', 'search', 'public.+') |
> map(attribute='subnet_id') | list }}): expected string or buffer"}"*
> I feel as if I'm making some rather basic mistake here. Any help is
> appreciated.
selectattr only works on list not dicts.
And you don't have a Name at that level only tags.Name
So this should work
- name: set public vpc subnets
set_fact:
vpc_public_subnet_ids: "{{ vpc_subnet_facts.subnets |
selectattr('tags.Name', 'search', 'public.+') | map(attribute='subnet_id') |
list }}"
So you where very close to find the solution.
--
Kai Stian Olstad
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