Issue #221: Add tests for current multi-server ad-hoc orchestration examples.

Author: geerlingguy

.travis.yml

@@ -80,9 +80,7 @@ env:
   - playbook: nodejs-role.yml
     distro: centos7
 
-  # TODO: Not easy to test in CI at this time.
-  # - playbook: orchestration.yml
-  #   distro: ubuntu2004
+  - shell_script: orchestration.sh
 
   - playbook: security.yml
     distro: centos8

orchestration/scripts/ansible.cfg

@@ -0,0 +1,3 @@
+[defaults]
+inventory = hosts.ini
+nocows = True

orchestration/scripts/app.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+#
+# App server orchestration ad-hoc tasks.
+set -e
+
+# Configure Django on app server.
+ansible app -b -m yum -a "name=MySQL-python state=present"
+ansible app -b -m yum -a "name=python-setuptools state=present"
+ansible app -b -m easy_install -a "name=django<2 state=present"
+
+# Check Django version.
+ansible app -a "python -c 'import django; print django.get_version()'"
+
+# Other commands from the book.
+ansible app -b -a "service ntpd status"
+ansible app -b -m group -a "name=admin state=present"
+ansible app -b -m user -a "name=johndoe group=admin createhome=yes"
+ansible app -b -m user -a "name=johndoe state=absent remove=yes"
+ansible app -b -m package -a "name=git state=present"

orchestration/scripts/db.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+#
+# Database server orchestration ad-hoc tasks.
+set -e
+
+# Configure MySQL (MariaDB) server.
+ansible db -b -m yum -a "name=mariadb-server state=present"
+ansible db -b -m service -a "name=mariadb state=started enabled=yes"
+ansible db -b -a "iptables -F"
+ansible db -b -a "iptables -A INPUT -s 192.168.60.0/24 -p tcp -m tcp --dport 3306 -j ACCEPT"
+
+# Configure DB user for Django.
+ansible db -b -m yum -a "name=MySQL-python state=present"
+ansible db -b -m mysql_user -a "name=django host=% password=12345 priv=*.*:ALL state=present"

orchestration/scripts/hosts.ini

@@ -0,0 +1,6 @@
+[multi]
+app
+db
+
+[multi:vars]
+ansible_connection=docker

orchestration/scripts/multi.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+#
+# Multi-server tests for the orchestration example.
+set -e
+
+# Other commands from the book.
+ansible multi -m stat -a "path=/etc/environment"
+ansible multi -m copy -a "src=/etc/hosts dest=/tmp/hosts"
+ansible multi -b -m fetch -a "src=/etc/hosts dest=/tmp"
+ansible multi -m file -a "dest=/tmp/test mode=644 state=directory"
+ansible multi -m file -a "dest=/tmp/test state=absent"
+ansible multi -b -B 3600 -P 0 -a "yum -y update"
+ansible multi -b -a "tail /var/log/messages"
+ansible multi -b -m shell -a "tail /var/log/messages | grep ansible-command | wc -l"

tests/orchestration.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+#
+# Orchestration tests.
+set -e
+
+# Make sure pip3 is available.
+sudo apt-get update
+sudo apt-get install -y python3-pip python3-setuptools
+pip3 install --upgrade setuptools pip
+
+# Install dependencies.
+sudo pip3 install ansible
+
+cd orchestration/scripts
+
+# Test Django app installation.
+docker run -d --name app -p 80:80 --privileged -v /sys/fs/cgroup:/sys/fs/cgroup:ro geerlingguy/docker-centos7-ansible
+./django-app.sh
+
+# Test Django db installation.
+docker run -d --name db -p 3360:3360 --privileged -v /sys/fs/cgroup:/sys/fs/cgroup:ro geerlingguy/docker-centos7-ansible
+./django-db.sh
+
+# Other tests from the book.
+./orchestration.sh