Updated exam tasks
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---
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- hosts: nodepgs
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become: yes
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tasks:
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- import_tasks: tasks/setup_grub.yml
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vars:
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grub_timeout: 1
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- import_tasks: tasks/install_selinux.yml
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- import_tasks: tasks/setup_raid1_for_postgres.yml
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- import_tasks: tasks/install_postgres.yml
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- import_tasks: tasks/setup_weather_db.yml
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- name: Install gnupg
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apt:
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pkg: gnupg
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- name: Install key
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apt_key:
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url: https://www.postgresql.org/media/keys/ACCC4CF8.asc
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state: present
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- name: Add postgresql repository into sources list as pgdg file
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ansible.builtin.apt_repository:
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repo: "deb http://apt.postgresql.org/pub/repos/apt {{ ansible_distribution_release }}-pgdg main"
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state: present
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filename: pgdg
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- name: Install postgre
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apt:
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pkg: postgresql-15*
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register: postgre_installation
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- name: Delete old configuration
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shell: rm -rf /var/lib/postgresql/*
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when: postgre_installation.changed
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- name: Init PostgreSQL
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shell: pg_createcluster 15 main --start
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when: postgre_installation.changed
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- name: 'Install SELinux'
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apt:
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pkg:
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- selinux-basics
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- selinux-policy-default
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- auditd
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state: present
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- name: 'Activate SELinux'
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shell: selinux-activate
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when: ansible_selinux.status == "disabled"
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- name: 'Reboot after SElLinux install'
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reboot:
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when: ansible_selinux.status == "disabled"
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- name: 'Check SELinux in permissive mode'
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ansible.posix.selinux:
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policy: default
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state: permissive
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- name: "Get grub timeout value"
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shell: cat /etc/default/grub | grep GRUB_TIMEOUT | sed 's/GRUB_TIMEOUT=//g'
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register: current_grub_timeout
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- name: 'Configure grub timeout if not already'
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shell: sed 's/^GRUB_TIMEOUT=.*/GRUB_TIMEOUT={{ timeout }}/g' -i /etc/default/grub
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when: current_grub_timeout.stdout != "{{ grub_timeout }}"
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- name: 'Update grub'
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shell: update-grub
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when: current_grub_timeout.stdout != "{{ grub_timeout }}"
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- name: 'Install mdadm'
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apt:
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pkg: mdadm
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- name: 'Check raid 1 has mount point at /var/lib/postgresql'
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command: /bin/mountpoint -q /var/lib/postgresql/
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register: raid1_mounted
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failed_when: False
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- name: 'Configure md raid 1'
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shell: mdadm --create /dev/md0 --raid-devices=2 --level=1 /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi[1,2] --run
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register: "array_created"
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when: ansible_facts['devices']['md0'] is undefined and
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raid1_mounted.rc == 1
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- name: 'Get configuration strings for configured raids'
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command: "mdadm --detail --scan"
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register: array_details
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changed_when: false
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- name: 'Persist configuration in /etc/mdadm/mdadm.conf '
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lineinfile:
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dest: "/etc/mdadm/mdadm.conf"
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regexp: "^{{ item }}"
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line: "{{ item }}"
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state: "present"
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with_items: '{{ array_details.stdout_lines }}'
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when: array_created.changed
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register: updated_mdadm_conf
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- name: 'Updating Initramfs'
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command: update-initramfs -u
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when: updated_mdadm_conf is defined and
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updated_mdadm_conf.changed
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- name: 'Format raid1, ext4 filesystem'
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community.general.filesystem:
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fstype: ext4
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dev: /dev/md0
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- name: 'Update facts about node.'
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setup:
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- name: 'Create postrgresql folder'
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file:
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path: /var/lib/postgresql
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state: directory
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- name: 'Setup permanent mountpoint /var/lib/postgresql for raid1'
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ansible.posix.mount:
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path: /var/lib/postgresql
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src: UUID={{ ansible_facts['devices']['md0']['links']['uuids'][0] }}
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fstype: ext4
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state: present
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register: permanent_raid1_mount
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- name: reboot
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reboot:
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when: permanent_raid1_mount.changed
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@ -1,7 +0,0 @@
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- name: Copy weather.sql
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copy:
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src: ./files/weather.sql
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dest: /tmp/weather.sql
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- name: import wether db to pg
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shell: sudo -u postgres psql -f /tmp/weather.sql
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