[WIP] add support for src plus match:exact (?)

[bentole]

SUMMARY

Fixes #655
Fixes #740
Fixes #771
Fixes #129 (related)

Add support for device configuration to exactly match the provided template configuration guaranteeing consistency and idempotency.

ISSUE TYPE

• Feature Pull Request

COMPONENT NAME

cisco.ios.ios_config

ADDITIONAL INFORMATION

Feature best described by using an example:

play

- name: Make sure running-config exactly matches the template
  cisco.ios.ios_config:
    match: exact
    src: template.j2

template.j2

class-map match-all FOO
 description I am FOO
 match dscp af41
class-map match-all BAR
 description I am BAR
 match dscp af31

running-config before

class-map match-all FOO
 match dscp af42
 match dscp af43

commands fired

class-map match-all FOO
 no match dscp af42
 no match dscp af43
 description I am FOO
 match dscp af41
class-map match-all BAR
 description I am BAR
 match dscp af31

running-config after

class-map match-all FOO
 description I am FOO
 match dscp af41 
class-map match-all BAR
 description I am BAR
 match dscp af31 

Consecutive Runs:
changed: false aka Idempotent!

[softwarefactory-project-zuul]

Build failed.
https://ansible.softwarefactory-project.io/zuul/buildset/9c36c6e7461a4eeba3ddc901cc4ff296

✔️ ansible-galaxy-importer SUCCESS in 3m 50s
✔️ build-ansible-collection SUCCESS in 8m 34s
❌ ansible-ee-integration-ios-latest FAILURE in 17m 02s (non-voting)
❌ ansible-ee-integration-ios-stable-2.9 FAILURE in 14m 41s (non-voting)
❌ ansible-ee-integration-ios-stable-2.11 FAILURE in 16m 57s (non-voting)
❌ ansible-ee-integration-ios-stable-2.12 FAILURE in 16m 44s (non-voting)
❌ ansible-ee-integration-ios-libssh-latest FAILURE in 45m 03s (non-voting)
❌ ansible-ee-integration-ios-libssh-stable-2.9 FAILURE in 41m 30s (non-voting)
❌ ansible-ee-integration-ios-libssh-stable-2.11 FAILURE in 44m 51s (non-voting)
❌ ansible-ee-integration-ios-libssh-stable-2.12 FAILURE in 44m 41s (non-voting)
❌ ansible-tox-linters FAILURE in 10m 31s

[softwarefactory-project-zuul]

Build succeeded.
https://ansible.softwarefactory-project.io/zuul/buildset/7c3e5c7927d44f119e587e4d04c818aa

✔️ ansible-galaxy-importer SUCCESS in 3m 44s
✔️ build-ansible-collection SUCCESS in 8m 33s
❌ ansible-ee-integration-ios-latest FAILURE in 18m 40s (non-voting)
❌ ansible-ee-integration-ios-stable-2.9 FAILURE in 20m 21s (non-voting)
❌ ansible-ee-integration-ios-stable-2.11 FAILURE in 22m 15s (non-voting)
❌ ansible-ee-integration-ios-stable-2.12 FAILURE in 21m 43s (non-voting)
❌ ansible-ee-integration-ios-libssh-latest FAILURE in 1h 38m 18s (non-voting)
❌ ansible-ee-integration-ios-libssh-stable-2.9 FAILURE in 46m 23s (non-voting)
❌ ansible-ee-integration-ios-libssh-stable-2.11 FAILURE in 49m 31s (non-voting)
❌ ansible-ee-integration-ios-libssh-stable-2.12 FAILURE in 49m 45s (non-voting)
✔️ ansible-tox-linters SUCCESS in 10m 18s

[KB-perByte]

Hey @bentole this PR has been WIP for quite sometime now, please let us know if you are stuck on anything.
Regards.

[amalmborg97]

Hey @KB-perByte, what changes/operations need to be made to get this PR completed? I'm willing to take this over and finish it if it has been abandoned.

Thanks.