Hi Jon,
That helped, I needed to specific attribute='private_ip_address' for a
map() arguments and was able to find some more documentation here,
http://docs.ansible.com/ansible/playbooks_filters.html#other-useful-filters
I'm now trying to break out subnet ids from subnet_facts
- name: Get subnets
ec2_vpc_subnet_facts:
aws_access_key: "{{ aws_access_key }}"
aws_secret_key: "{{ aws_secret_key }}"
region: "{{ aws_region }}"
security_token: "{{ security_token }}"
filters:
vpc-id: "{{ returned_vpc.vpcs[0].id }}"
"tag:Name": "{{ item }}"
register: subnetDMZ_facts
with_items:
- "{{ DMZ_subnet1 }}"
- "{{ DMZ_subnet2 }}"
- "{{ DMZ_subnet3 }}"
I get a data structure like this
ok: [localhost] => {
"subnetDMZ_facts.results": [
{
"_ansible_no_log": false,
"changed": false,
"invocation": {
"module_args": {
"aws_access_key": "XXXXX",
"aws_secret_key":
"VALUE_SPECIFIED_IN_NO_LOG_PARAMETER",
"ec2_url": null,
"filters": {
"tag:Name": "SubDMZ1",
"vpc-id": "vpc-XXXXXXXX"
},
"profile": null,
"region": "us-west-2",
"security_token":
"VALUE_SPECIFIED_IN_NO_LOG_PARAMETER",
"validate_certs": true
},
"module_name": "ec2_vpc_subnet_facts"
},
"item": "SubDMZ1",
"subnets": [
{
"availability_zone": "us-west-2a",
"available_ip_address_count": 57,
"cidr_block": "10.201.0.0/26",
"default_for_az": "false",
"id": "subnet-XXXXXXX",
"map_public_ip_on_launch": "false",
"state": "available",
"tags": {
"Name": "SubDMZ1"
},
"vpc_id": "vpc-XXXXXXX"
}
]
},
{...
Subnets is a list. I was previously manually setting each subnet_id value
manually via
subnet_ids: ['{{ subnetDMZ_facts.results[0].subnets[0].id }}', '{{
subnetDMZ_facts.results[1].subnets[0].id }}', '{{
subnetDMZ_facts.results[1].subnets[0].id }}' ]
I tried using the subnet[0].id as the attribute
subnets_map: "{{
subnetDMZ_facts.results|map(attribute='subnets[0].id')|list }}"
fatal: [localhost]: FAILED! => {"failed": true, "msg": "ERROR! 'dict
object' has no attribute 'subnets[0]'"}
I can access other vales, just not list items, e.g.
subnets_map: "{{
subnetDMZ_facts.results|map(attribute='invocation.module_args.aws_access_key')|list
}}"
TIA
On 23 March 2016 at 08:02, 'J Hawkesworth' via Ansible Project <
[email protected]> wrote:
> I think you can do this using the map filter
>
> something like (untested)
>
> - name: Set server names address for webapp proxy server
> set_fact:
> servers: "{{ ec2_facts.instances|map('private_ip_address')|list }}"
>
>
> Have a look at: http://jinja.pocoo.org/docs/dev/templates/#map
>
> HTH
>
> Jon
>
> On Tuesday, 22 March 2016 21:22:02 UTC, Stephen Granger wrote:
>>
>> I'm using the ec2_remote_facts module to get a list of instances based on
>> filters.
>>
>> I want to create another list that contains the
>> ec2_facts.instances[0-n].private_ip
>>
>> This is the logic I'm after
>>
>> - name: Set server names address for webapp proxy server
>> set_fact:
>> servers[item]: "{{ ec2_facts.instances[item].private_ip_address
>> }}"
>> with_sequence: "start=0 end={{ ec2_facts.instances|(length -1) }}"
>>
>> but it doesn't work
>>
>> "msg": "ERROR! 'list object' has no attribute u'0'"
>>
>> I can manually set each fact
>>
>> - name: Set server names address for webapp proxy server
>> set_fact:
>> servers: ["{{ ec2_facts.instances[0].private_ip_address }}", "{{
>> ec2_facts.instances[1].private_ip_address }}" ]
>>
>> But this is not optimal as it doesn't work for variable length lists.
>>
>> --
>> Steve
>>
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