db9f0fae09
This change allows EL to have customizable heap sizes which will automatically set themselves to the recommended size as advised by the elastic documentation. https://www.elastic.co/guide/en/elasticsearch/reference/6.2/heap-size.html Change-Id: I55d014dab37bf5e5a4806bd19d4e07e072f9fa7e Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>
89 lines
2.4 KiB
YAML
89 lines
2.4 KiB
YAML
---
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- name: Install Elastic Search
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hosts: "elastic-logstash"
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become: true
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vars_files:
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- vars/variables.yml
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tasks:
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- name: Set half memory fact
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set_fact:
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h_mem: "{{ ansible_memtotal_mb // 2 }}"
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- name: Set logstash facts
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set_fact:
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elastic_heap_size: "{{ ((h_mem | int) > 30720) | ternary(30720, h_mem) }}"
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when:
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- elastic_heap_size is undefined
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- name: Configure systcl vm.max_map_count=262144 on container hosts
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sysctl:
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name: "vm.max_map_count"
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value: "262144"
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state: "present"
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reload: "yes"
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delegate_to: "{{ physical_host }}"
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tags:
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- sysctl
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- name: Ensure mount directories exists
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file:
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path: "/openstack/{{ inventory_hostname }}/elasticsearch"
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state: "directory"
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delegate_to: "{{ physical_host }}"
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- name: elasticsearch datapath bind mount
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lxc_container:
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name: "{{ inventory_hostname }}"
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container_command: |
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[[ ! -d "/var/lib/elasticsearch" ]] && mkdir -p "/var/lib/elasticsearch"
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container_config:
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- "lxc.mount.entry=/openstack/{{ inventory_hostname }}/elasticsearch var/lib/elasticsearch none bind 0 0"
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delegate_to: "{{ physical_host }}"
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when:
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- physical_host != inventory_hostname
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- container_tech | default('lxc') == 'lxc'
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- name: Ensure Java is installed
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apt:
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name: openjdk-8-jre
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state: present
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install_recommends: yes
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update_cache: yes
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- include_tasks: common_task_install_elk_repo.yml
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- name: Ensure Elastic search is installed
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apt:
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name: elasticsearch
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state: present
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update_cache: yes
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- name: Drop elasticsearch conf file
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template:
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src: "{{ item.src }}"
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dest: "{{ item.dest }}"
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with_items:
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- src: templates/elasticsearch.yml.j2
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dest: /etc/elasticsearch/elasticsearch.yml
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- src: templates/jvm.options.j2
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dest: /etc/elasticsearch/jvm.options
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tags:
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- config
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- name: Ensure elasticsearch ownership
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file:
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path: /var/lib/elasticsearch
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owner: elasticsearch
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group: elasticsearch
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recurse: true
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tags:
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- config
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- name: Enable and restart elastic
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systemd:
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name: "elasticsearch"
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enabled: true
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state: restarted
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tags:
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- config
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