Use ansible-playbook for CI

Closes: #42

.gitignore

 # Ignore custom files created when following the README.md
 /ansible/group_vars/cluster/settings.yml
 /ansible/inventory.yml
+
+# Ignore files created by ansible-playbook
 *.retry
 
-# Ignore generated files during CI
-/test/artifacts/
-/test/inventory
-/test/env/extravars
+# Ignore files created during CI using test/ci-bootstrap.py
+/test/group_vars/
+/test/inventory.yml
 
+# Etc
 __pycache__
-*.log

.gitlab-ci.yml

@@ -22,13 +22,15 @@ bootstrap:
   script:
     - apk update
     - apk add ansible musl-dev linux-headers gcc py3-psutil openssh-client moreutils
-    - pip3 install ansible-runner requests tabulate
-    - cd test
+    - pip3 install requests tabulate
+    # Ensure test/ is not world-writable otherwise ansible-playbook refuses to run, see
+    # https://docs.ansible.com/ansible/devel/reference_appendices/config.html#cfg-in-world-writable-dir
+    - chmod 755 test/
+    - cd test/
     - eval $(ssh-agent -s)
     - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add - > /dev/null
-    - mkdir -p --mode 700 ~/.ssh
-    - date
-    - python3 -u ./ci-bootstrap.py --create_droplet --terminate | ts
+    # - mkdir -p --mode 700 ~/.ssh
+    - ANSIBLE_HOST_KEY_CHECKING=False python3 -u ./ci-bootstrap.py --create_droplet --terminate | ts
   artifacts:
     paths:
     - ansible/rke.log

test/ansible.cfg

+../ansible/ansible.cfg
\ No newline at end of file

test/ci-bootstrap.py

@@ -20,13 +20,14 @@ In Debian:
     pip3 install ansible-runner requests tabulate
 """
 
-import ansible_runner
 import argparse
 import cosmos
 import logging
 import os
 import random
+import shlex
 import string
+import subprocess
 import sys
 import traceback
 import yaml
@@ -165,7 +166,7 @@ if __name__ == "__main__":
     inventory['all']['children']['master']['hosts'] = name
     inventory['all']['children']['worker']['hosts'] = name
 
-    with open('./inventory', 'w') as stream:
+    with open('./inventory.yml', 'w') as stream:
         yaml.dump(inventory, stream, default_flow_style=False)
 
     # Create settings
@@ -177,9 +178,9 @@ if __name__ == "__main__":
     settings['domain'] = name + '.ci.openappstack.net'
     settings['admin_email'] = "admin@{0}".format(settings['domain'])
 
-    if not os.path.exists('./env'):
-        os.mkdir('./env')
-    with open('./env/extravars', 'w') as stream:
+    if not os.path.exists('./group_vars'):
+        os.mkdir('./group_vars')
+    with open('./group_vars/all', 'w') as stream:
         yaml.dump(settings, stream, default_flow_style=False)
 
     log.debug(yaml.dump(inventory, default_flow_style=False))
@@ -188,23 +189,20 @@ if __name__ == "__main__":
     # Bootstrap
     # playbook path here is relative to private_data_dir/project, see
     # https://ansible-runner.readthedocs.io/en/latest/intro.html#inputdir
-    ansible_run = ansible_runner.run(
-        private_data_dir='.',
-        playbook='../../ansible/bootstrap.yml')
-    log.info('ansible_run.rc: %s', ansible_run.rc)
-    log.info('ansible_run.status: %s\n', ansible_run.status)
-
-    log.debug('ansible_run.stats: %s', ansible_run.stats)
-    for each_host_event in ansible_run.events:
-        log.debug('ansible_run.events.each_host_event["event"]: %s',
-                  each_host_event['event'])
-
-    if ansible_run.rc > 0:
+    playbook='../ansible/bootstrap.yml'
+    ansible_playbook_cmd = 'ansible-playbook %s' % playbook
+
+    log.info('Running %s', ansible_playbook_cmd)
+
+    result = subprocess.run(shlex.split(ansible_playbook_cmd))
+
+    if result.returncode > 0:
         try:
-            raise RuntimeError('ansible-runner failed.')
+            raise RuntimeError('Playbook failed with rc %s.'
+                               % result.returncode)
         except RuntimeError:
             traceback.print_exc()
-            sys.exit(ansible_run.rc)
+            sys.exit(result.returncode)
 
     if args.terminate:
         cosmos.terminate_droplet(id)