openstack-ansible-ops/elk_metrics_6x/roles/elastic_metricbeat/tasks/main.yml
Kevin Carter 1c56b7f034
Add option block to ensure apache2 is enabled correctly
The apache2 monitoring process requires a couple interactions to deploy
successfully. This change will ensure that if the apache2 monitoring
fails, in any way, it does not block the deployment.

Change-Id: Ibe35197a1c65f4abe9e4870c07ee15f37f9a58ab
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>
2018-08-29 15:39:08 -05:00

256 lines
6.8 KiB
YAML

---
# Copyright 2018, Rackspace US, Inc.
#
# 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.
- name: Gather variables for each operating system
include_vars: "{{ item }}"
with_first_found:
- "{{ ansible_distribution | lower }}-{{ ansible_distribution_version | lower }}.yml"
- "{{ ansible_distribution | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
- "{{ ansible_os_family | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
- "{{ ansible_distribution | lower }}.yml"
- "{{ ansible_os_family | lower }}-{{ ansible_distribution_version.split('.')[0] }}.yml"
- "{{ ansible_os_family | lower }}.yml"
tags:
- always
- name: Refresh physical host facts
setup: {}
delegate_to: "{{ physical_host }}"
delegate_facts: true
when:
- physical_host is defined and physical_host != inventory_hostname
tags:
- always
- name: Ensure beat is installed
package:
name: "{{ metricbeat_distro_packages }}"
state: "{{ elk_package_state | default('present') }}"
update_cache: "{{ (ansible_pkg_mgr == 'apt') | ternary('yes', omit) }}"
register: _package_task
until: _package_task is success
retries: 3
delay: 2
notify:
- Enable and restart metricbeat
tags:
- package_install
- name: Check for apache
stat:
path: /etc/apache2/sites-available
register: apache2
- name: Check for ceph
stat:
path: /etc/ceph
register: ceph
# gather ceph stats from localhost
# except when a list of mons is provided
- name: Set ceph stats hosts
set_fact:
ceph_stats_hosts: |-
{% set ceph_stats = [] %}
{% if (ceph_mons is defined) and (ceph_mons | length > 0) %}
{% for mon in ceph_mons %}
{% set _ = ceph_stats.insert(loop.index, (mon + ":5000")) %}
{% endfor %}
{% else %}
{% set ceph_stats = [ ansible_hostname + ":5000" ] %}
{% endif %}
{{ ceph_stats }}
- name: Check for etcd
stat:
path: /etc/etcd
register: etcd
- name: Check for docker
stat:
path: /var/run/docker.sock
register: docker
- name: Check for haproxy
stat:
path: /etc/haproxy
register: haproxy
- name: Check for httpd
stat:
path: /etc/httpd
register: httpd
- name: Check for kvm
stat:
path: /var/run/libvirt/libvirt-sock
register: kvm
- name: Check for memcached
stat:
path: /etc/memcached.conf
register: memcached
- name: Check for mysql
stat:
path: /var/lib/mysql
register: mysql
- name: Check for nginx
stat:
path: /etc/nginx/nginx.conf
register: nginx
- name: Check for rabbitmq
stat:
path: /var/lib/rabbitmq
register: rabbitmq
- name: Check for uwsgi
stat:
path: /etc/uwsgi
register: uwsgi
- name: Check for uwsgi stats sockets
find:
paths: /tmp
file_type: any
patterns: '*uwsgi-stats.sock'
register: uwsgi_find_sockets
- name: Set discovery facts
set_fact:
apache_enabled: "{{ (apache2.stat.exists | bool) or (httpd.stat.exists | bool) }}"
# enable ceph on: cinder volume hosts when we have a list of ceph mons
# otherwise: all hosts which have /etc/ceph
ceph_enabled: |-
{% set ceph_detect = false %}
{% if (ceph_mons is defined) and (ceph_mons | length > 0) and (inventory_hostname in groups['cinder_volume']) %}
{% set ceph_detect = true %}
{% else %}
{% set ceph_detect = ceph.stat.exists | bool %}
{% endif %}
{{ ceph_detect }}
docker_enabled: "{{ docker.stat.exists | bool }}"
etcd_enabled: "{{ etcd.stat.exists | bool }}"
haproxy_enabled: "{{ haproxy.stat.exists | bool }}"
kvm_enabled: "{{ kvm.stat.exists | bool }}"
memcached_enabled: "{{ memcached.stat.exists | bool }}"
mysql_enabled: "{{ mysql.stat.exists | bool }}"
nginx_enabled: "{{ nginx.stat.exists | bool }}"
rabbitmq_enabled: "{{ rabbitmq.stat.exists | bool }}"
uwsgi_enabled: "{{ uwsgi.stat.exists | bool }}"
uwsgi_sockets: "{{ uwsgi_find_sockets }}"
# Apache 2 stats enablement
- name: Enable apache2
block:
- name: Drop apache2 stats site config
template:
src: apache-status.conf.j2
dest: /etc/apache2/sites-available/apache-status.conf
- name: Enable apache2 stats site
file:
src: /etc/apache2/sites-available/apache-status.conf
dest: /etc/apache2/sites-enabled/apache-status.conf
state: link
- name: Ensure apache2 stats mode is enabled
apache2_module:
name: status
state: present
register: apache_status_mod
- name: Reload apache2
service:
name: apache2
state: reloaded
when:
- apache_status_mod is changed
rescue:
- name: Apache2 monitoring not enabled
debug:
msg: >-
The apache2 module was not enabled because of an error within the
enablement process. Check the host to ensure apache2 is really
available and resolve the noted errors before continuing.
- name: Disable apache2 check
set_fact:
apache_enabled: false
when:
- apache_enabled | bool
# NGINX stats enablement
- name: Drop nginx stats site config
template:
src: nginx-status.conf.j2
dest: "{{ metricbeat_nginx_vhost_path }}/nginx-status.conf"
register: nginx_status
when: nginx_enabled
- name: Reload nginx
service:
name: nginx
state: reloaded
when:
- nginx_enabled
- nginx_status is changed
- name: Create metricbeat systemd service config dir
file:
path: "/etc/systemd/system/metricbeat.service.d"
state: "directory"
group: "root"
owner: "root"
mode: "0755"
when:
- ansible_service_mgr == 'systemd'
- name: Apply systemd options
template:
src: "{{ item.src }}"
dest: "{{ item.dest }}"
mode: "0644"
when:
- ansible_service_mgr == 'systemd'
with_items:
- src: "systemd.general-overrides.conf.j2"
dest: "/etc/systemd/system/metricbeat.service.d/metricbeat-overrides.conf"
notify:
- Enable and restart metricbeat
- name: Drop metricbeat conf files
template:
src: "{{ item.src }}"
dest: "{{ item.dest }}"
mode: "0644"
when:
- ansible_service_mgr == 'systemd'
with_items:
- src: "metricbeat.yml.j2"
dest: "/etc/metricbeat/metricbeat.yml"
notify:
- Enable and restart metricbeat
- include_tasks: metricbeat_setup.yml
- name: Force beat handlers
meta: flush_handlers