From 0a6769a8bd95112d4a2b592800659290f24d6d35 Mon Sep 17 00:00:00 2001
From: Steve Smith <ssmith@atlassian.com>
Date: Wed, 17 Jul 2019 13:48:57 +1000
Subject: [PATCH] DCD-486: Add optional Docker installation.

---
 aws_jira_dc_node_docker.yml                   |  2 ++
 roles/linux_common/defaults/main.yml          |  1 +
 .../molecule/default/tests/test_default.py    |  1 +
 .../molecule/docker/Dockerfile.j2             | 14 ++++++++++
 .../linux_common/molecule/docker/molecule.yml | 27 +++++++++++++++++++
 .../linux_common/molecule/docker/playbook.yml |  8 ++++++
 .../molecule/docker/tests/test_default.py     | 11 ++++++++
 roles/linux_common/tasks/amazon.yml           |  6 +++++
 roles/linux_common/tasks/ubuntu.yml           |  6 +++++
 9 files changed, 76 insertions(+)
 create mode 100644 roles/linux_common/molecule/docker/Dockerfile.j2
 create mode 100644 roles/linux_common/molecule/docker/molecule.yml
 create mode 100644 roles/linux_common/molecule/docker/playbook.yml
 create mode 100644 roles/linux_common/molecule/docker/tests/test_default.py

diff --git a/aws_jira_dc_node_docker.yml b/aws_jira_dc_node_docker.yml
index 941d0e4..786fd1f 100644
--- a/aws_jira_dc_node_docker.yml
+++ b/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
diff --git a/roles/linux_common/defaults/main.yml b/roles/linux_common/defaults/main.yml
index 561baf2..ac4cd7f 100644
--- a/roles/linux_common/defaults/main.yml
+++ b/roles/linux_common/defaults/main.yml
@@ -1,3 +1,4 @@
 ---
 
+atl_docker_install: false
 atl_product_user_uid: '2001'
diff --git a/roles/linux_common/molecule/default/tests/test_default.py b/roles/linux_common/molecule/default/tests/test_default.py
index 123aa3c..f243e41 100644
--- a/roles/linux_common/molecule/default/tests/test_default.py
+++ b/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
diff --git a/roles/linux_common/molecule/docker/Dockerfile.j2 b/roles/linux_common/molecule/docker/Dockerfile.j2
new file mode 100644
index 0000000..e6aa95d
--- /dev/null
+++ b/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
diff --git a/roles/linux_common/molecule/docker/molecule.yml b/roles/linux_common/molecule/docker/molecule.yml
new file mode 100644
index 0000000..bf5d3fc
--- /dev/null
+++ b/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
diff --git a/roles/linux_common/molecule/docker/playbook.yml b/roles/linux_common/molecule/docker/playbook.yml
new file mode 100644
index 0000000..78c265c
--- /dev/null
+++ b/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
diff --git a/roles/linux_common/molecule/docker/tests/test_default.py b/roles/linux_common/molecule/docker/tests/test_default.py
new file mode 100644
index 0000000..0b526fc
--- /dev/null
+++ b/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
+
diff --git a/roles/linux_common/tasks/amazon.yml b/roles/linux_common/tasks/amazon.yml
index 3be04db..a445437 100644
--- a/roles/linux_common/tasks/amazon.yml
+++ b/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
diff --git a/roles/linux_common/tasks/ubuntu.yml b/roles/linux_common/tasks/ubuntu.yml
index b5c542c..435a96f 100644
--- a/roles/linux_common/tasks/ubuntu.yml
+++ b/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