selectattr on dict not working as expected
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jus...@fubo.tv
Aug 23, 2018, 3:03:15 PM8/23/18
to Ansible Project
I have a dict that looks like:
and I'm attempting to extract subnet_id for only public subnets like so:
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"}"
TASK [debug vpc_subnet_facts.subnets] *******************************************************************************************************************************************************************************ok: [localhost] => { "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" }, { "assign_ipv6_address_on_creation": false, "availability_zone": "us-west-1c", "available_ip_address_count": 251, "cidr_block": "10.0.5.0/24", "default_for_az": false, "id": "subnet-060df17f2871364d2", "ipv6_cidr_block_association_set": [], "map_public_ip_on_launch": false, "state": "available", "subnet_id": "subnet-060df17f2871364d2", "tags": { "Name": "private-c" }, "vpc_id": "vpc-0a8c42654fe5f4a2b" }, { "assign_ipv6_address_on_creation": false, "availability_zone": "us-west-1c", "available_ip_address_count": 251, "cidr_block": "10.0.6.0/24", "default_for_az": false, "id": "subnet-0dd9ab6af6ec05f83", "ipv6_cidr_block_association_set": [], "map_public_ip_on_launch": false, "state": "available", "subnet_id": "subnet-0dd9ab6af6ec05f83", "tags": { "Name": "public-c" }, "vpc_id": "vpc-0a8c42654fe5f4a2b" } ]}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.
Kai Stian Olstad
Aug 23, 2018, 4:53:14 PM8/23/18
to ansible...@googlegroups.com
>
> 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.
> 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.
> appreciated.
And you don't have a Name at that level only tags.Name
So this should work
- name: set public vpc subnets
set_fact:
So you where very close to find the solution.
--
Kai Stian Olstad
Justin Potts
Aug 23, 2018, 5:05:56 PM8/23/18
to ansible...@googlegroups.com
I see what I was doing wrong. Thanks for this, your solution worked.
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