DCD-486: Add optional Docker installation.

aws_jira_dc_node_docker.yml

@@ -8,6 +8,8 @@
     atl_product_user: "jira"
     atl_product_edition: "jira-{{ lookup('env', 'ATL_PRODUCT_EDITION') | lower }}"
 
+    alt_docker_install: true
+
   roles:
     - role: linux_common
     - role: aws_common

roles/linux_common/defaults/main.yml

@@ -1,3 +1,4 @@
 ---
 
+atl_docker_install: false
 atl_product_user_uid: '2001'

roles/linux_common/molecule/default/tests/test_default.py

@@ -14,3 +14,4 @@ def test_user_prereq(host):
 def test_support_packages(host):
     assert host.file('/usr/bin/jq').exists
     assert host.file('/usr/bin/curl').exists
+    assert not host.file('/usr/bin/docker').exists

roles/linux_common/molecule/docker/Dockerfile.j2

@@ -0,0 +1,14 @@
+# Molecule managed
+
+{% if item.registry is defined %}
+FROM {{ item.registry.url }}/{{ item.image }}
+{% else %}
+FROM {{ item.image }}
+{% endif %}
+
+RUN if [ $(command -v apt-get) ]; then apt-get update && apt-get install -y python sudo bash ca-certificates && apt-get clean; \
+    elif [ $(command -v dnf) ]; then dnf makecache && dnf --assumeyes install python sudo python-devel python*-dnf bash && dnf clean all; \
+    elif [ $(command -v yum) ]; then yum makecache fast && yum install -y python sudo yum-plugin-ovl bash && sed -i 's/plugins=0/plugins=1/g' /etc/yum.conf && yum clean all; \
+    elif [ $(command -v zypper) ]; then zypper refresh && zypper install -y python sudo bash python-xml && zypper clean -a; \
+    elif [ $(command -v apk) ]; then apk update && apk add --no-cache python sudo bash ca-certificates; \
+    elif [ $(command -v xbps-install) ]; then xbps-install -Syu && xbps-install -y python sudo bash ca-certificates && xbps-remove -O; fi

roles/linux_common/molecule/docker/molecule.yml

@@ -0,0 +1,27 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: docker
+lint:
+  name: yamllint
+platforms:
+  - name: amazon_linux2
+    image: amazonlinux:2
+    groups:
+      - aws_node_local
+  - name: ubuntu_lts
+    image: ubuntu:bionic
+    groups:
+      - aws_node_local
+provisioner:
+  name: ansible
+  lint:
+    name: ansible-lint
+  inventory:
+    links:
+      group_vars: ../../../../group_vars/
+verifier:
+  name: testinfra
+  lint:
+    name: flake8

roles/linux_common/molecule/docker/playbook.yml

@@ -0,0 +1,8 @@
+---
+- name: Converge
+  hosts: all
+  vars:
+    atl_product_user: "jira"
+    atl_docker_install: true
+  roles:
+    - role: linux_common

roles/linux_common/molecule/docker/tests/test_default.py

@@ -0,0 +1,11 @@
+import os
+
+import testinfra.utils.ansible_runner
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
+
+
+def test_support_packages(host):
+    assert host.file('/usr/bin/docker').exists
+

roles/linux_common/tasks/amazon.yml

@@ -6,3 +6,9 @@
       - shadow-utils
       - libxml2
       - git-{{ git_version }}
+
+- name: Install Docker if necessary
+  command: amazon-linux-extras install -y docker
+  args:
+    creates: /usr/bin/docker
+  when: atl_docker_install

roles/linux_common/tasks/ubuntu.yml

@@ -6,3 +6,9 @@
       - python3-psycopg2
       - libxml2-utils
       - git
+
+- name: Install Docker if necessary
+  apt:
+    name:
+      - docker.io
+  when: atl_docker_install