---
- name: install redis
  hosts: all
  serial: 2
  vars:
    - version: "redis-7.0.5"
    - user: "redis"
    - id: "88"
    - INSTALL_DIR: "/apps/redis"
    - CPUS: "2"
    - PASSWORD: "123456"
  tasks:
    - name: rocky prepare
      yum:
        name: "{{ item }}"
        state: present
      loop:
        - gcc 
        - make 
        - jemalloc-devel
        - systemd-devel
      when: ansible_distribution_file_variety == "RedHat"

    - name: ubuntu prepare
      apt:
        update_cache: yes
        name: "{{ item }}"
        state: present
      loop:
        - gcc
        - make
        - libjemalloc-dev 
        - libsystemd-dev
      when: ansible_distribution_file_variety == "Debian"

    - name: group
      group: 
        name: "{{ user }}"
        gid: "{{ id }}"
        state: present
    - name: create user
      user: 
        name: "{{ user }}"
        shell: /sbin/nologin
        system: yes
        group: "{{ user }}"
        uid: "{{ id }}"

    - name: install redis
      unarchive: 
        src: "{{ version }}.tar.gz"
        dest: "/usr/local/src/"
        owner: root
        group: root

    - name: shell make
      shell: "cd /usr/local/src/{{ version }} && make -j {{ CPUS }} USE_SYSTEMD=yes PREFIX={{ INSTALL_DIR }} install"
    
    - name: link
      file:
        src: "{{ INSTALL_DIR }}/bin/{{ item }}"
        path: "/usr/bin/{{ item }}"
        state: link
      loop: 
        - redis-benchmark
        - redis-check-aof
        - redis-check-rdb
        - redis-cli
        - redis-sentinel  
        - redis-server    
    - name: dir
      file:
        path: "{{ INSTALL_DIR }}/{{ item }}"
        state: directory
      loop:
        - etc
        - log
        - data
        - run 
 
    - name:  conf
      template:
        src: redis.conf.j2
        dest: "{{ INSTALL_DIR }}/etc/redis.conf"
    
    - name: chown
      shell: "chown -R redis.redis {{ INSTALL_DIR }}"
    
    - name: sysctl net.core.somaxconn
      sysctl: 
        name: net.core.somaxconn
        value: 1024
        sysctl_set: yes
    
    - name: sysctl vm.overcommit_memory
      sysctl:
        name: vm.overcommit_memory
        value: 1
        sysctl_set: yes
  
    - name: service
      template:
        src: redis.service.j2
        dest: /lib/systemd/system/redis.service
 
    - name: start 
      service:
        daemon_reload: yes
        name: redis
        state: started
        enabled: yes