From ed2b519c28a9070e2617eec47b0cab36b62b957e Mon Sep 17 00:00:00 2001
From: cuqmbr <me@cuqmbr.xyz>
Date: Fri, 10 Jan 2025 19:41:39 +0200
Subject: [PATCH] initial commit

---
 README.md                     | 44 ++++++++++++++++++++++++++++
 defaults/main.yml             |  2 ++
 handlers/main.yml             |  6 ++++
 meta/main.yml                 | 11 +++++++
 molecule/default/converge.yml | 15 ++++++++++
 molecule/default/molecule.yml | 18 ++++++++++++
 tasks/main.yml                | 54 +++++++++++++++++++++++++++++++++++
 templates/docker.j2           |  1 +
 8 files changed, 151 insertions(+)
 create mode 100644 README.md
 create mode 100644 defaults/main.yml
 create mode 100644 handlers/main.yml
 create mode 100644 meta/main.yml
 create mode 100644 molecule/default/converge.yml
 create mode 100644 molecule/default/molecule.yml
 create mode 100644 tasks/main.yml
 create mode 100644 templates/docker.j2

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..3588f0c
--- /dev/null
+++ b/README.md
@@ -0,0 +1,44 @@
+Docker Engine
+=========
+
+Docker engine installation on Ubuntu 24.04.
+
+Requirements
+------------
+
+No requirements.
+
+Role Variables
+--------------
+
+Docker daemon options to pass to dockerd command (default: undefined):  
+`docker_daemon_run_options: "--dns 1.1.1.1 --dns 1.0.0.1"`
+
+Dependencies
+------------
+
+No dependencies.
+
+Example Playbook
+----------------
+
+---
+- hosts: goapp
+
+  pre_tasks:
+    - name: Update apt cache.
+      ansible.builtin.apt:
+        update_cache: true
+        cache_valid_time: 86400
+
+  roles:
+    - role: cuqmbr.docker
+
+TODO
+----------------
+
+Add support for other Linux distrubitions:
+
+- RHEL: Almalinux, RockyLinux 9 and 8
+- Debian: Debian 12 and 11, Ubuntu 24.04 and 22.04
+- Archlinux
diff --git a/defaults/main.yml b/defaults/main.yml
new file mode 100644
index 0000000..d90057a
--- /dev/null
+++ b/defaults/main.yml
@@ -0,0 +1,2 @@
+---
+# docker_daemon_run_options: ""
diff --git a/handlers/main.yml b/handlers/main.yml
new file mode 100644
index 0000000..1cd189d
--- /dev/null
+++ b/handlers/main.yml
@@ -0,0 +1,6 @@
+---
+
+- name: Restart docker service
+  ansible.builtin.service:
+    name: docker
+    state: restarted
diff --git a/meta/main.yml b/meta/main.yml
new file mode 100644
index 0000000..368701b
--- /dev/null
+++ b/meta/main.yml
@@ -0,0 +1,11 @@
+---
+galaxy_info:
+  role_name: docker
+  author: cuqmbr
+  description: Docker engine installation for Ubuntu 24.04
+  # issue_tracker_url: http://example.com/issue/tracker
+  license: MIT
+  min_ansible_version: "2.1"
+  galaxy_tags: []
+
+dependencies: []
diff --git a/molecule/default/converge.yml b/molecule/default/converge.yml
new file mode 100644
index 0000000..e5979ee
--- /dev/null
+++ b/molecule/default/converge.yml
@@ -0,0 +1,15 @@
+---
+- name: Converge
+  hosts: all
+
+  vars:
+    docker_daemon_run_options: "--dns 1.1.1.1 --dns 1.0.0.1"
+
+  pre_tasks:
+    - name: Update apt cache.
+      ansible.builtin.apt:
+        update_cache: true
+        cache_valid_time: 86400
+
+  roles:
+    - role: cuqmbr.docker
diff --git a/molecule/default/molecule.yml b/molecule/default/molecule.yml
new file mode 100644
index 0000000..1fd6ab9
--- /dev/null
+++ b/molecule/default/molecule.yml
@@ -0,0 +1,18 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: docker
+platforms:
+  - name: instance
+    image: docker.io/geerlingguy/docker-ubuntu2404-ansible:latest
+    pre_build_image: true
+    command: ${MOLECULE_DOCKER_COMMAND:-""}
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:rw
+    cgroupns_mode: host
+    privileged: true
+provisioner:
+  name: ansible
+verifier:
+  name: ansible
diff --git a/tasks/main.yml b/tasks/main.yml
new file mode 100644
index 0000000..f56ed02
--- /dev/null
+++ b/tasks/main.yml
@@ -0,0 +1,54 @@
+---
+
+- name: Install dependencies.
+  ansible.builtin.apt:
+    name:
+      - ca-certificates
+      - curl
+    state: present
+
+- name: Create apt keys installation directory.
+  ansible.builtin.file:
+    path: "/etc/apt/keyrings"
+    state: directory
+    mode: "0755"
+
+- name: Add docker apt key.
+  ansible.builtin.get_url:
+    url: "https://download.docker.com/linux/ubuntu/gpg"
+    dest: "/etc/apt/keyrings/docker.asc"
+    mode: "0444"
+
+- name: Add docker apt repository.
+  ansible.builtin.apt_repository:
+    repo: "deb [arch=amd64 signed-by=/etc/apt/keyrings/docker.asc] \
+           https://download.docker.com/linux/ubuntu noble stable"
+    filename: docker
+    state: present
+    update_cache: true
+
+- name: Install docker apt packages.
+  ansible.builtin.apt:
+    name:
+      - docker-ce
+      - docker-ce-cli
+      - containerd.io
+      - docker-buildx-plugin
+      - docker-compose-plugin
+    state: present
+
+- name: Start and enable docker service.
+  ansible.builtin.service:
+    name: docker
+    state: started
+    enabled: true
+
+- name: Install service parameters file.
+  ansible.builtin.template:
+    src: docker.j2
+    dest: "/etc/default/docker"
+    owner: root
+    group: root
+    mode: "0644"
+  notify:
+    - Restart docker service
diff --git a/templates/docker.j2 b/templates/docker.j2
new file mode 100644
index 0000000..a3ab395
--- /dev/null
+++ b/templates/docker.j2
@@ -0,0 +1 @@
+DOCKER_OPTS="{{ docker_daemon_run_options }}"