Update file main.yml

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Administrator 2026-03-24 17:10:32 +05:00
parent c8bd92cf0f
commit 993c3d77ef

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@ -1,44 +1,4 @@
---
# =============================================================================
# DOCKER ROLE - roles/docker/tasks/main.yml
# =============================================================================
# ========== 1. Cleanup conflicting Docker configs ==========
- name: Remove conflicting Docker repository files
file:
path: "{{ item }}"
state: absent
loop:
- /etc/apt/sources.list.d/download_docker_com_linux_ubuntu.list
- /etc/apt/sources.list.d/docker-ce.list
- /etc/apt/sources.list.d/docker.list
become: yes
tags: [docker, deploy_docker]
- name: Remove old Docker GPG keys
file:
path: "{{ item }}"
state: absent
loop:
- /etc/apt/keyrings/docker.gpg
- /etc/apt/keyrings/docker.asc
- /usr/share/keyrings/docker-archive-keyring.gpg
become: yes
tags: [docker, deploy_docker]
- name: Clean apt cache
apt:
clean: yes
become: yes
tags: [docker, deploy_docker]
- name: Clear apt lists cache (contents only, not directory)
shell: rm -rf /var/lib/apt/lists/*
become: yes
tags: [docker, deploy_docker]
ignore_errors: yes
# ========== 2. Install Docker dependencies ==========
- name: Install Docker dependencies
apt:
name:
@ -49,154 +9,87 @@
- lsb-release
state: present
update_cache: yes
become: yes
tags: [docker, deploy_docker]
# ========== 3. Setup GPG key ==========
- name: Create keyrings directory
file:
path: /etc/apt/keyrings
state: directory
mode: '0755'
become: yes
tags: [docker, deploy_docker]
- name: Download Docker GPG key
get_url:
- name: Add Docker GPG key
apt_key:
url: https://download.docker.com/linux/ubuntu/gpg
dest: /etc/apt/keyrings/docker.asc
mode: '0644'
force: yes
become: yes
tags: [docker, deploy_docker]
state: present
- name: Dearmor Docker GPG key
shell: gpg --dearmor -o /etc/apt/keyrings/docker.gpg /etc/apt/keyrings/docker.asc
args:
creates: /etc/apt/keyrings/docker.gpg
become: yes
tags: [docker, deploy_docker]
- name: Set permissions on Docker GPG key
file:
path: /etc/apt/keyrings/docker.gpg
mode: 'a+r'
become: yes
tags: [docker, deploy_docker]
# ========== 4. Add Docker repository ==========
- name: Add Docker repository
copy:
content: |
deb [arch={{ ansible_architecture }} signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu {{ ansible_distribution_release }} stable
dest: /etc/apt/sources.list.d/docker.list
mode: '0644'
become: yes
tags: [docker, deploy_docker]
apt_repository:
repo: "deb [arch=amd64] https://download.docker.com/linux/ubuntu {{ ansible_distribution_release }} stable"
state: present
- name: Update apt cache after adding Docker repo
apt:
update_cache: yes
cache_valid_time: 0
become: yes
tags: [docker, deploy_docker]
# ========== 5. Install Docker packages ==========
- name: Install docker-ce and docker-ce-cli first
- name: Install Docker
apt:
name:
- "docker-ce={{ docker_ce_version }}"
- "docker-ce-cli={{ docker_ce_cli_version }}"
- docker-ce
- docker-ce-cli
- containerd.io
state: present
allow_downgrade: yes
allow_change_held_packages: yes
become: yes
tags: [docker, deploy_docker]
update_cache: yes
- name: Install containerd.io (after docker-ce to preserve runc)
- name: Install Docker Compose
apt:
name: "containerd.io={{ containerd_io_version }}"
name: docker-compose-plugin
state: present
allow_downgrade: yes
allow_change_held_packages: yes
become: yes
notify: restart docker
tags: [docker, deploy_docker]
# ========== 6. Start Docker and configure user ==========
- name: Start and enable Docker service
systemd:
name: docker
state: started
enabled: yes
daemon_reload: yes
become: yes
tags: [docker, deploy_docker]
- name: Wait for Docker socket to be available
wait_for:
path: /var/run/docker.sock
timeout: 30
tags: [docker, deploy_docker]
- name: Wait for Docker to start
pause:
seconds: 5
- name: Add admin user to docker group
user:
name: "{{ admin_user | default('zailon') }}"
groups: docker
append: yes
become: yes
tags: [docker, deploy_docker]
# ========== 7. Verify installation ==========
- name: Verify Docker installation
command: docker --version
register: docker_version
changed_when: false
tags: [docker, deploy_docker]
- name: Show Docker version
debug:
msg: "Docker version: {{ docker_version.stdout }}"
tags: [docker, deploy_docker]
- name: Verify Docker Compose installation
command: docker compose version
register: docker_compose_version
changed_when: false
tags: [docker, deploy_docker]
- name: Show Docker Compose version
debug:
msg: "Docker Compose version: {{ docker_compose_version.stdout }}"
tags: [docker, deploy_docker]
- name: Test Docker with docker ps
command: docker ps
register: docker_ps_test
changed_when: false
tags: [docker, deploy_docker]
- name: Show Docker containers
debug:
msg: "Docker is working! Containers: {{ docker_ps_test.stdout_lines | default(['none']) }}"
tags: [docker, deploy_docker]
# ========== 8. Docker monitoring (optional) ==========
- name: Setup Docker monitoring for Node Exporter
- name: Setup Docker monitoring
block:
- name: Create scripts directory
file:
path: /opt/scripts
state: directory
mode: '0755'
become: yes
- name: Deploy Docker metrics script
copy:
content: |
#!/bin/bash
# Docker metrics script for Node Exporter textfile collector
OUTFILE="/var/lib/node_exporter/textfile_collector/docker_metrics.prom"
# Get container counts
TOTAL_CONTAINERS=$(docker ps -a -q 2>/dev/null | wc -l)
RUNNING_CONTAINERS=$(docker ps -q 2>/dev/null | wc -l)
EXITED_CONTAINERS=$((TOTAL_CONTAINERS - RUNNING_CONTAINERS))
# Write metrics in Prometheus format
cat << EOF > $OUTFILE
# HELP docker_containers_total Total number of Docker containers
# TYPE docker_containers_total gauge
docker_containers_total $TOTAL_CONTAINERS
# HELP docker_containers_running Number of running Docker containers
# HELP docker_containers_running Number of running Docker containers
# TYPE docker_containers_running gauge
docker_containers_running $RUNNING_CONTAINERS
# HELP docker_containers_exited Number of exited Docker containers
@ -207,6 +100,36 @@
mode: '0755'
become: yes
- name: Create systemd service for Docker metrics
copy:
content: |
[Unit]
Description=Docker metrics script
After=docker.service
[Service]
User=root
ExecStart=/opt/scripts/docker_metrics.sh
dest: /etc/systemd/system/docker-metrics.service
mode: '0644'
become: yes
- name: Create systemd timer for Docker metrics
copy:
content: |
[Unit]
Description=Run Docker metrics every 30 seconds
[Timer]
OnBootSec=1min
OnUnitActiveSec=30s
[Install]
WantedBy=timers.target
dest: /etc/systemd/system/docker-metrics.timer
mode: '0644'
become: yes
- name: Ensure Node Exporter textfile directory exists
file:
path: /var/lib/node_exporter/textfile_collector
@ -216,12 +139,84 @@
mode: '0755'
become: yes
- name: Enable Docker metrics timer
- name: Enable and start Docker metrics timer
systemd:
name: docker-metrics.timer
enabled: yes
state: started
daemon_reload: yes
become: yes
when: enable_docker_monitoring | default(true)
tags: [docker, monitoring]
- name: Test Docker metrics script
command: /opt/scripts/docker_metrics.sh
register: metrics_test
changed_when: false
- name: Show Docker metrics test result
debug:
var: metrics_test.stdout
# ========== Fix Docker runc version ==========
- name: Check current runc version
command: runc --version
register: runc_version_check
ignore_errors: yes
changed_when: false
become: yes
- name: Download and update runc to v1.2.4 if needed
block:
- name: Download runc v1.2.4
get_url:
url: https://github.com/opencontainers/runc/releases/download/v1.2.4/runc.amd64
dest: /tmp/runc.amd64
mode: '0755'
become: yes
- name: Stop docker service
systemd:
name: docker
state: stopped
become: yes
- name: Backup existing runc
command: mv /usr/bin/runc /usr/bin/runc.bak
args:
creates: /usr/bin/runc.bak
become: yes
- name: Install new runc
copy:
src: /tmp/runc.amd64
dest: /usr/bin/runc
remote_src: yes
mode: '0755'
become: yes
- name: Start docker service
systemd:
name: docker
state: started
become: yes
- name: Clean up temporary runc file
file:
path: /tmp/runc.amd64
state: absent
become: yes
- name: Verify new runc version
command: runc --version
register: new_runc_version
become: yes
- name: Show runc update result
debug:
msg: "runc updated to version: {{ new_runc_version.stdout }}"
become: yes
when:
- runc_version_check is failed or
"'1.2.4' not in runc_version_check.stdout"
- ansible_architecture == "x86_64"
become: yes