GHP publish

roles/docker/defaults/main.yml

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+install_docker_ce_repo: 'yes'

roles/docker/tasks/docker.yml

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+---
+- block:
+  - name: Install packages for Docker
+    yum:
+      name: 
+        - device-mapper-persistent-data
+        - lvm2
+        - libselinux-python
+      state: present
+
+  - name: add docker-ce repo
+    yum_repository:
+      name: docker-ce-stable
+      file: docker-ce
+      description: Docker CE Stable - $basearch
+      enabled: yes
+      baseurl: https://download.docker.com/linux/centos/7/$basearch/stable
+      gpgkey: https://download.docker.com/linux/centos/gpg
+      gpgcheck: yes
+    when: install_docker_ce_repo == 'yes'
+    become: yes
+
+  - name: Install Docker
+    package:
+      name: docker-ce
+      state: present
+    become: yes
+
+  - name: Create /etc/docker directory
+    file:
+      path: /etc/docker
+      state: directory
+
+  - name: Deploy Docker daemon.json
+    template:
+      src: daemon.json.j2
+      dest: /etc/docker/daemon.json
+    register: daemon_config_result
+
+  - name: Start Docker service
+    service:
+      name: docker
+      state: started
+      enabled: yes
+    become: yes
+
+  - name: Restart Docker
+    systemd:
+      state: restarted
+      name: docker
+    when: daemon_config_result.changed
+
+  tags:
+    - docker

roles/docker/tasks/main.yml

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+---
+- block:
+  - import_tasks: docker.yml
+    tags:
+      - docker

roles/docker/templates/daemon.json.j2

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+{% if docker is defined %}
+
+{% if docker.insecure_registries is defined %}
+{% set insecure_registries = docker.insecure_registries %}
+{% endif %}
+
+{% endif %}
+{
+  "exec-opts": ["native.cgroupdriver=systemd"],
+  "log-driver": "json-file",
+  {% if insecure_registries is defined %} 
+  "insecure-registries" : ["{{ insecure_registries }}"],
+  {% endif %}
+  "log-opts": {
+    "max-size": "100m"
+  }
+}
+