rhel filters

gistfile1.txt

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TASK [set_fact] ************************************************************************************************
task path: /home/jtanner/workspace/issues/AP-RHEL_FACT_FILTER/site.yml:6                                        
ok: [el7host] => {                                                       
    "ansible_facts": {
        "device_by_pciid1": {
            "virtio2": "eth0",         
            "virtio3": "eth1"         
        },
        "device_by_pciid2": {
            "virtio2": "eth0",
            "virtio3": "eth1"                                                                                   
        },                                                               
        "macaddress_by_pciid1": {
            "virtio2": "52:54:00:4e:f1:54",
            "virtio3": "52:54:00:6e:be:b2"
        },
        "macaddress_by_pciid2": {
            "virtio2": "52:54:00:4e:f1:54",
            "virtio3": "52:54:00:6e:be:b2"
        }                                                                                                       
    },                                                                     
    "changed": false
}                    

rhel_filters.py

#!/usr/bin/env python


from __future__ import (absolute_import, division, print_function)
__metaclass__ = type


def keyvalmap(*args, **kwargs):
    key = kwargs['key']
    value = kwargs['value']
    res = {}
    for item in args[0]:
        v = item.get('value')
        if v is None:
            continue
        if not isinstance(v, dict):
            continue
        if key not in v:
            continue
        if value in v:
            res[v[key]] = v[value]
    return res


class FilterModule(object):

    def filters(self):
        return {
            'keyvalmap': keyvalmap
        }

site.yml

- hosts: el7host
  connection: ssh
  gather_facts: True
  user: root
  tasks:
    - set_fact:
        device_by_pciid1: "{{ ansible_facts | dict2items | json_query('[?value.pciid].value.{key: pciid, value: device}') | items2dict }}"
        device_by_pciid2: "{{ ansible_facts | dict2items | keyvalmap(key='pciid', value='device') }}"
        macaddress_by_pciid1: "{{ ansible_facts | dict2items | json_query('[?value.pciid].value.{key: pciid, value: macaddress}') | items2dict }}"
        macaddress_by_pciid2: "{{ ansible_facts | dict2items | keyvalmap(key='pciid', value='macaddress') }}"
    - debug: var=device_by_pciid1
    - debug: var=device_by_pciid2
    - debug: var=macaddress_by_pciid1
    - debug: var=macaddress_by_pciid2
    - assert:
        that:
            - "device_by_pciid1 == device_by_pciid2"
            - "macaddress_by_pciid1 == macaddress_by_pciid2"