ansible-roles/library/roles/solr/tasks/main.yml

---
- block:
    - name: Create a solr user
      user: name={{ solr_user }} home={{ solr_base_dir }} createhome=yes shell=/bin/bash

    - name: Create the downloads directory
      file: dest={{ solr_download_dir }} state=directory

    - name: Download solr
      get_url: url='{{ solr_download_url }}' dest={{ solr_download_dir }}/solr-{{ solr_version }}.tgz validate_certs=no

    - name: Unarchive solr release
      unarchive: src={{ solr_download_dir }}/solr-{{ solr_version }}.tgz dest={{ solr_base_dir }} copy=no
      args:
        creates: '{{ solr_base_dir }}/bin/solr'

    - name: Link to the latest release
      file: src={{ solr_base_dir }}/solr-{{ solr_version }} dest={{ solr_server_dir }} state=link
      
    - name: Create the solr service, download, data and logs directories
      file: path={{ item }} state=directory owner={{ solr_user }} group={{ solr_user }}
      with_items:
        - '{{ solr_download_dir }}'
        - '{{ solr_data_dir }}'
        - '{{ solr_pid_dir }}'
        - '{{ solr_log_dir }}'

    - name: Fix the permissions of the solr server directory
      file: dest={{ solr_data_dir }} state=directory owner={{ solr_user }} group={{ solr_user }} recurse=yes

    - name: Create the solr lib directory
      file: dest={{ solr_data_dir }}/lib state=directory

    - name: Create the solr conf directory
      file: dest={{ solr_conf_dir }} state=directory

    - name: Install the zookeeper configuration
      template: src={{ item }}.j2 dest={{ solr_data_dir }}/{{ item }}
      with_items:
        - solr.xml
        - zoo.cfg
      notify: solr restart
      tags: [ 'solr', 'solr_default', 'solr_conf' ]

    - name: copy extra libraries
      shell: cd {{ solr_server_dir }}; cp -u {{ item }} {{ solr_data_dir }}/lib
      with_items: '{{ solr_jar_files }}'

    - name: install the solr init script
      template: src=solr  dest=/etc/init.d/solr mode=0755 owner=root group=root

    - name: Install the solr default
      template: src=solr-default.j2 dest=/etc/default/solr.in.sh mode=0644 owner=root group=root
      notify: solr restart
      tags: [ 'solr', 'solr_default', 'solr_conf' ]

    - name: Start and enable the solr service
      service: name=solr state=started enabled=yes
      ignore_errors: True

  become: True
  become_user: root
  when: solr_install
  tags: solr

- block:
  - name: Create the Solr prometheus exporter conf directory
    file: dest={{ solr_prometheus_conf_dir }} state=directory mode=0755

  - name: Install the Solr prometheus exporter config file
    template: src=solr-exporter-config.xml dest={{ solr_prometheus_conf_file }} mode=0644
    notify: Restart Solr prometheus exporter
    tags: [ 'solr', 'solr_prometheus', 'solr_prometheus_exporter', 'solr_prometheus_exporter_config' ]

  - name: Install the Solr prometheus exporter upstart script
    template: src=solr_prometheus_exporter.upstart.j2 dest=/etc/init/solr_prometheus_exporter.conf mode=0644 owner=root group=root
    when: ansible_service_mgr != 'systemd'

  - name: Install the Solr prometheus exporter systemd unit
    template: src=solr_prometheus_exporter.systemd.j2 dest=/etc/systemd/system/solr_prometheus_exporter.service mode=0644 owner=root group=root
    when: ansible_service_mgr == 'systemd'
    notify: systemd reload

  - name: Ensure that Solr prometheus exporter is started and enabled
    service: name=solr_prometheus_exporter state=started enabled=yes

  become: True
  become_user: root
  when:
    - solr_install
    - solr_prometheus_exporter
  tags: [ 'solr', 'solr_prometheus', 'solr_prometheus_exporter' ]