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131 lines
3.0 KiB
131 lines
3.0 KiB
---
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- name: Check if Redis is installed
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stat:
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path: /usr/local/bin/redis-server
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register: redis_server
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- name: Download and install Redis
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when: not redis_server.stat.exists
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block:
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- name: Download Redis from GitHub
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get_url:
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dest: /tmp/redis-{{ redis_version }}.tar.gz
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url: https://github.com/antirez/redis/archive/{{ redis_version }}.tar.gz
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checksum: sha256:2761422599f8969559e66797cd7f606c16e907bf82d962345a7d366c5d1278df
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- name: Create temp directory to extract Redis to
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file:
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path: /tmp/redis-{{ redis_version }}
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state: directory
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- name: Extract Redis
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unarchive:
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remote_src: true
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src: /tmp/redis-{{ redis_version }}.tar.gz
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dest: /tmp/redis-{{ redis_version }}
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extra_opts:
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- --strip-components=1
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- name: Install build dependencies for Redis
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apt:
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name: build-essential
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- name: Install Redis
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shell:
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chdir: /tmp/redis-{{ redis_version }}
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cmd: |
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make
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make install
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- name: Create group for redis user
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group:
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name: redis
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- name: Create redis user
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user:
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name: redis
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group: redis
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create_home: false
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- name: Create /run/redis
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file:
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path: /run/redis
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state: directory
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owner: redis
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group: redis
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mode: 0755
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- name: Create /var/lib/redis
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file:
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path: /var/lib/redis
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state: directory
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owner: redis
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group: redis
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mode: 0700
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- name: Create /var/log/redis
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file:
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path: /var/log/redis
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state: directory
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owner: redis
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group: redis
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mode: 0744
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- name: Create Redis configuration file
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template:
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src: redis.conf.jinja2
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dest: /etc/redis.conf
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owner: redis
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group: redis
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mode: 0600
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- name: Create Redis service file
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copy:
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src: redis.service
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dest: /etc/systemd/system/redis.service
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owner: root
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group: root
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mode: 0644
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- name: Add service file for disabling transparent hugepage
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copy:
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src: transparent_hugepage.service
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dest: /etc/systemd/system/transparent_hugepage.service
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owner: root
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group: root
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mode: 0644
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- name: Check if transparent hugepage is currently enabled
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command:
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cmd: cat /sys/kernel/mm/transparent_hugepage/enabled
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register: transparent_hugepage
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changed_when: false
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- name: Start and enable "disable transparent hugepage" service
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service:
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name: transparent_hugepage.service
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state: started
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enabled: true
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when: "'[never]' not in transparent_hugepage.stdout"
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- name: Check if kernel overcommit mode is already set
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command:
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cmd: sysctl -n vm.overcommit_memory
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register: overcommit_memory
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changed_when: false
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- name: Set kernel overcommit mode temporarily (recommended by Redis)
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command:
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cmd: sysctl vm.overcommit_memory=1
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when: overcommit_memory.stdout == "0"
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- name: Make kernel overcommit mode permanent (recommended by Redis, requires restart)
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lineinfile:
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path: /etc/sysctl.conf
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line: vm.overcommit_memory = 1
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- name: Start and enable redis service
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service:
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name: redis
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state: started
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enabled: true
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