network/roles/access/tasks/main.yml
Timotej Lazar 9ec6241e4a access: fix parsing of existing switch VLANs
If ansible won’t handle edge cases then we must.
2025-09-18 16:47:39 +02:00

41 lines
1.8 KiB
YAML

- name: Fetch passwords
set_fact:
password: '{{ lookup("passwordstore", "switch/"~inventory_hostname, returnall=true, missing="empty") | from_yaml }}'
- name: Set username and password for ansible connection
set_fact:
ansible_ssh_user: '{{ password.user }}'
ansible_ssh_pass: '{{ password.pass }}'
- name: Generate SNMP engine ID from serial number
set_fact:
snmp_engine_id: '{{ (serial | sha1)[:24] }}'
- name: Get switch facts
cisco.ios.ios_facts:
gather_subset: config
# Determine VLANs to add and remove from switch.
- set_fact:
actual_vlans: "{{ vlans | map(attribute='vid') }}"
switch_vlans: "{{ ansible_net_config | split('\n')
| select('match', '^ *vlan (range )?[0-9]') | map('regex_search', '[0-9,-]+') | join(',')
| default('0', true) | ansible.netcommon.vlan_expander | reject('eq', 0) }}" # vlan_expander barfs on empty string so add/remove a fake VLAN 0
- set_fact:
add_vlans: "{{ actual_vlans | difference(switch_vlans) }}"
del_vlans: "{{ switch_vlans | difference(actual_vlans) }}"
- name: Set configuration
ansible.netcommon.cli_config:
config: '{{ lookup("template", "config-"~manufacturer~"-"~device_type~".j2") }}'
vars:
ansible_command_timeout: 240
ansible_terminal_stderr_re: [] # some errors are not actually errors
register: result
# These lines are not displayed by 'sho ru' and always reported as different, so ignore them.
changed_when: result.commands | reject('match', '^(no shutdown|no switchport access vlan|no switchport trunk native vlan|no voice vlan.*|switchport mode access|switchport mode hybrid|interface .*|no enable service web-server https?|no ip dhcp snooping|no ip dhcp snooping trust|no switchport port-security.*)$')
notify: write config
- name: Run model-specific tasks
include_tasks: '{{ manufacturer~"-"~device_type~".yml" }}'