install-aerospike.yml

---
- name: Install Aerospike
  hosts: "{{ cluster_tag }}"
  gather_facts: true
  become: yes
  remote_user: "{{ os_config['remote_user'] }}"
  vars_files:
  - vars/cluster-config.yml
  - vars/constants.yml
  - vars/os-level-config.yml
  tasks:
  - name: Import configuration properties
    include_vars: 
      dir: vars
    
  - name: Get service facts
    service_facts:

  - block:
    - name: Installation previously completed message
      debug: 
        msg: "Aerospike is already installed - not re-installing"

    - meta: end_host
    when: hostvars[inventory_hostname].services[aerospike_service_name] is defined

  - block:
    - debug: 
        msg: "Aerospike service is not installed - executing install steps"

    - block:
      - name: If Ubuntu, update package cache
        shell: |
          sudo apt update
      when: operating_system == ubuntu_os

    - block:
      - name: "stat {{ feature_key_path }}"
        local_action: "stat path={{ feature_key_path }}"
        become: no
        register: feature_key_meta

      - name: "Check feature key {{ feature_key_path }} exists"
        fail:
          msg: "Specified feature key {{ feature_key_path }} not found"
        when: not feature_key_meta.stat.exists    
      when: enterprise 

    - name: Check whether download exists
      stat:
       path: "{{ download_path }}"
      register: stat_download_path

    - name: Download Aerospike {{ 'Enterprise' if enterprise else 'Community' }}, version = {{ aerospike_version }}, distribution = {{ aerospike_distribution }} if not already downloaded
      get_url:
       url: "{{ download_url }}"
       dest: "{{ download_path }}"
      when: not stat_download_path.stat.exists 

    - name: Unpack installer
      unarchive:
       remote_src: "yes"
       src: "{{ download_path }}"
       dest: "{{ download_file_dir }}"
       list_files: true
      register: result

    - name: Get install directory
      set_fact:
       install_directory: "{{ result.files[0] }}"

    - name: "Install Aerospike with strong consistency = {{ strong_consistency }}, tls = {{ tls_enabled }}, encryption at rest = {{ encryption_at_rest }}"
      command:
        chdir: "{{ download_file_dir }}/{{ install_directory }}"
        cmd: "{{ download_file_dir }}/{{ install_directory }}/asinstall"

    - name: "Create {{ partition_script_name }} script"
      template:
        src: "assets/{{ partition_script_name }}.j2"
        dest: "/tmp/{{ partition_script_name }}"
        mode: 0755

    - name: "Partition nvme drives"
      shell: "/tmp/{{ partition_script_name }}"

    - name: aerospike.conf
      import_tasks: modules/aerospike-configuration-tasks.yml
    
    - block:
      - name: Feature key
        copy:
          src: "{{ feature_key_path }}"
          dest: /etc/aerospike/features.conf
          owner: root
          group: root
          mode: '0644'        
      when: enterprise 

    - import_tasks: modules/prometheus-exporter-install.yml
      when: monitoring_enabled

    # asadm requires python3 & roster set below requires asadm - so need to do install here
    - name: Install python3
      package:
        name:
          - python3
        state: latest
      become: yes

    - name: Start Aerospike service
      shell: 
        cmd: "service aerospike start"

    - block:      
      - name: Copy roster set script
        template:
          src: "assets/strong-consistency/roster-set.sh.j2"
          dest: "/tmp/roster-set.sh"
          mode: "0755"

      - name: "Set roster"
        shell: "/tmp/roster-set.sh"

      when: strong_consistency 

    - name: Installation complete message
      debug: 
        msg: "Aerospike install complete"

    when: ( hostvars[inventory_hostname].services[aerospike_service_name] is not defined ) or not(hostvars[inventory_hostname].services[aerospike_service_name].state == 'running')

  # May not be available as standard - this is the case on GCP
  - name: Install sysstat
    package:
      name:
        - sysstat
      state: latest
    become: yes

- name: Update monitoring if enabled
  hosts: "{{ monitoring_tag }}"
  gather_facts: true
  become: yes
  remote_user: "{{ os_config['remote_user'] }}"
  vars_files:
  - vars/cluster-config.yml
  - vars/constants.yml
  - vars/os-level-config.yml  
  tasks:
  - name: Import configuration properties
    include_vars: 
      dir: vars
    
  - name: Get service facts
    service_facts:

  # When Prometheus is installed, we update the config file - might be necessary as we have added nodes
  - import_tasks: modules/prometheus-configuration.yml
    when: hostvars[inventory_hostname].services[prometheus_service_name] is defined

  - name: Restart prometheus
    service:
      name: prometheus
      state: restarted