Hi All, been tearing my hair out this AM on this one so I think Im just
doing something wrong. Long story short, I have two lists in my playbook.
One that contains a set of commands from a device and another that contains
the set of commands I wish to configure. What I'd like to do is diff them
to come up with which commands should not be present on the device. In
other words, Im comparing the active state of the device to the
configuration and getting the delta. This seems to be working well and Im
able to generate both lists and compare them using the jinja filter
'difference'. Here's a sample playbook...
---
- hosts: 127.0.0.1
connection: local
gather_facts: false
vars:
device_config:
- "set vlan name test1"
- "set vlan name test2"
- "set hostname testdevice4"
intended_config:
- "set vlan name test1"
- "set vlan name test3"
- "set hostname testdevice6"
tasks:
- name: debug list differences
debug:
var: "{{item}}"
with_items:
device_config | difference(intended_config)
The output of this is a list of commands that are present in the
device_config list, but not in the intended_config. This works great!
However, I want to filter this output to only include items that are of a
particular type. So for instance, assume that I change the task to look
like this...
tasks:
- name: debug list differences
debug:
var: "{{item}}"
when:
'"vlan" in item'
with_items:
device_config | difference(intended_config)
In this case, I want to only return lines that are different, and include
the string 'vlan'. However, when I run this, the playbook comes back and
tells me that the step was skipped...
"skip_reason": "Conditional check failed",
So I can't sort this out. I know that typically you use 'in' to search for
an entire match of a list item, but I swear I've done this before and it
works. Any ideas on what Im doing wrong?
Thanks!
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