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Ansible Role Test Shim Script
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#!/bin/bash | |
# | |
# Ansible role test shim. | |
# | |
# Usage: [OPTIONS] ./tests/test.sh | |
# - distro: a supported Docker distro version (default = "centos7") | |
# - playbook: a playbook in the tests directory (default = "test.yml") | |
# - role_dir: the directory where the role exists (default = $PWD) | |
# - cleanup: whether to remove the Docker container (default = true) | |
# - container_id: the --name to set for the container (default = timestamp) | |
# - test_idempotence: whether to test playbook's idempotence (default = true) | |
# | |
# If you place a requirements.yml file in tests/requirements.yml, the | |
# requirements listed inside that file will be installed via Ansible Galaxy | |
# prior to running tests. | |
# | |
# License: MIT | |
# Exit on any individual command failure. | |
set -e | |
# Pretty colors. | |
red='\033[0;31m' | |
green='\033[0;32m' | |
neutral='\033[0m' | |
timestamp=$(date +%s) | |
# Allow environment variables to override defaults. | |
distro=${distro:-"centos7"} | |
playbook=${playbook:-"test.yml"} | |
role_dir=${role_dir:-"$PWD"} | |
cleanup=${cleanup:-"true"} | |
container_id=${container_id:-$timestamp} | |
test_idempotence=${test_idempotence:-"true"} | |
## Set up vars for Docker setup. | |
# CentOS 7 | |
if [ $distro = 'centos7' ]; then | |
init="/usr/lib/systemd/systemd" | |
opts="--privileged --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro" | |
# CentOS 6 | |
elif [ $distro = 'centos6' ]; then | |
init="/sbin/init" | |
opts="--privileged" | |
# Ubuntu 18.04 | |
elif [ $distro = 'ubuntu1804' ]; then | |
init="/lib/systemd/systemd" | |
opts="--privileged --volume=/var/lib/docker --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro" | |
# Ubuntu 16.04 | |
elif [ $distro = 'ubuntu1604' ]; then | |
init="/lib/systemd/systemd" | |
opts="--privileged --volume=/var/lib/docker --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro" | |
# Ubuntu 14.04 | |
elif [ $distro = 'ubuntu1404' ]; then | |
init="/sbin/init" | |
opts="--privileged --volume=/var/lib/docker" | |
# Ubuntu 12.04 | |
elif [ $distro = 'ubuntu1204' ]; then | |
init="/sbin/init" | |
opts="--privileged --volume=/var/lib/docker" | |
# Debian 9 | |
elif [ $distro = 'debian9' ]; then | |
init="/lib/systemd/systemd" | |
opts="--privileged --volume=/var/lib/docker --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro" | |
# Debian 8 | |
elif [ $distro = 'debian8' ]; then | |
init="/lib/systemd/systemd" | |
opts="--privileged --volume=/var/lib/docker --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro" | |
# Fedora 24 | |
elif [ $distro = 'fedora24' ]; then | |
init="/usr/lib/systemd/systemd" | |
opts="--privileged --volume=/var/lib/docker --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro" | |
# Fedora 27 | |
elif [ $distro = 'fedora27' ]; then | |
init="/usr/lib/systemd/systemd" | |
opts="--privileged --volume=/var/lib/docker --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro" | |
fi | |
# Run the container using the supplied OS. | |
printf ${green}"Starting Docker container: geerlingguy/docker-$distro-ansible."${neutral}"\n" | |
docker pull geerlingguy/docker-$distro-ansible:latest | |
docker run --detach --volume="$role_dir":/etc/ansible/roles/role_under_test:rw --name $container_id $opts geerlingguy/docker-$distro-ansible:latest $init | |
printf "\n" | |
# Install requirements if `requirements.yml` is present. | |
if [ -f "$role_dir/tests/requirements.yml" ]; then | |
printf ${green}"Requirements file detected; installing dependencies."${neutral}"\n" | |
docker exec --tty $container_id env TERM=xterm ansible-galaxy install -r /etc/ansible/roles/role_under_test/tests/requirements.yml | |
fi | |
printf "\n" | |
# Test Ansible syntax. | |
printf ${green}"Checking Ansible playbook syntax."${neutral} | |
docker exec --tty $container_id env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/$playbook --syntax-check | |
printf "\n" | |
# Run Ansible playbook. | |
printf ${green}"Running command: docker exec $container_id env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/$playbook"${neutral} | |
docker exec $container_id env TERM=xterm env ANSIBLE_FORCE_COLOR=1 ansible-playbook /etc/ansible/roles/role_under_test/tests/$playbook | |
if [ "$test_idempotence" = true ]; then | |
# Run Ansible playbook again (idempotence test). | |
printf ${green}"Running playbook again: idempotence test"${neutral} | |
idempotence=$(mktemp) | |
docker exec $container_id ansible-playbook /etc/ansible/roles/role_under_test/tests/$playbook | tee -a $idempotence | |
tail $idempotence \ | |
| grep -q 'changed=0.*failed=0' \ | |
&& (printf ${green}'Idempotence test: pass'${neutral}"\n") \ | |
|| (printf ${red}'Idempotence test: fail'${neutral}"\n" && exit 1) | |
fi | |
# Remove the Docker container (if configured). | |
if [ "$cleanup" = true ]; then | |
printf "Removing Docker container...\n" | |
docker rm -f $container_id | |
fi |
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