openstack-ansible-ops/ansible_tools/playbooks/set-haproxy-backends-state.yml

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YAML

---
# Copyright 2020, Springer Nature.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# This playbook is typically used with the following ansible-playbook
# arguments:
# * `-e hostname=<host>`
# * `-e backend_state=<enabled|disabled>`
# in order to globally enable/disable a controller at the HAProxy level.
- name: Set HAProxy backends state
hosts: haproxy
vars:
- hostname: ""
- backend_state: enabled
tasks:
- name: List HAProxy backends to process
ansible.builtin.shell: echo show servers state | nc -U /var/run/haproxy.stat | awk '{print $4}' | grep '^{{ hostname }}' | sort | uniq
register: backends
changed_when: false
- name: Loop through backends to set state
community.general.haproxy:
host: "{{ item }}"
state: "{{ backend_state }}"
socket: /var/run/haproxy.stat
drain: "{{ haproxy_drain | default(False) }}"
shutdown_sessions: "False"
wait: "True"
wait_interval: "{{ haproxy_wait_interval | default(5) }}"
wait_retries: "{{ haproxy_wait_retries | default(24) }}"
with_items: "{{ backends.stdout_lines }}"