Adds integration tests for gce module.

test/integration/cleanup_gce.py

@@ -0,0 +1,102 @@
+'''
+Find and delete GCE resources matching the provided --match string.  Unless
+--yes|-y is provided, the prompt for confirmation prior to deleting resources.
+Please use caution, you can easily delete your *ENTIRE* GCE infrastructure.
+'''
+
+import os
+import re
+import sys
+import optparse
+import yaml
+
+try:
+    from libcloud.compute.types import Provider
+    from libcloud.compute.providers import get_driver
+    from libcloud.common.google import GoogleBaseError, QuotaExceededError, \
+            ResourceExistsError, ResourceInUseError, ResourceNotFoundError
+    _ = Provider.GCE
+except ImportError:
+    print("failed=True " + \
+        "msg='libcloud with GCE support (0.13.3+) required for this module'")
+    sys.exit(1)
+
+
+def delete_gce_resources(get_func, attr, opts):
+    for item in get_func():
+        val = getattr(item, attr)
+        if re.search(opts.match_re, val, re.IGNORECASE):
+            prompt_and_delete(item, "Delete matching %s? [y/n]: " % (item,), opts.assumeyes)
+
+def prompt_and_delete(item, prompt, assumeyes):
+    if not assumeyes:
+        assumeyes = raw_input(prompt).lower() == 'y'
+    assert hasattr(item, 'destroy'), "Class <%s> has no delete attribute" % item.__class__
+    if assumeyes:
+        item.destroy()
+        print ("Deleted %s" % item)
+
+def parse_args():
+    default_service_account_email = None
+    default_pem_file = None
+    default_project_id = None
+
+    # Load details from credentials.yml
+    if os.path.isfile('credentials.yml'):
+        credentials = yaml.load(open('credentials.yml', 'r'))
+
+        if default_service_account_email is None:
+            default_service_account_email = credentials['gce_service_account_email']
+        if default_pem_file is None:
+            default_pem_file = credentials['gce_pem_file']
+        if default_project_id is None:
+            default_project_id = credentials['gce_project_id']
+
+    parser = optparse.OptionParser(usage="%s [options]" % (sys.argv[0],),
+                description=__doc__)
+    parser.add_option("--service_account_email",
+        action="store", dest="service_account_email",
+        default=default_service_account_email,
+        help="GCE service account email. Default is loaded from credentials.yml.")
+    parser.add_option("--pem_file",
+        action="store", dest="pem_file",
+        default=default_pem_file,
+        help="GCE client key. Default is loaded from credentials.yml.")
+    parser.add_option("--project_id",
+        action="store", dest="project_id",
+        default=default_project_id,
+        help="Google Cloud project ID. Default is loaded from credentials.yml.")
+    parser.add_option("--credentials", "-c",
+        action="store", dest="credential_file",
+        default="credentials.yml",
+        help="YAML file to read cloud credentials (default: %default)")
+    parser.add_option("--yes", "-y",
+        action="store_true", dest="assumeyes",
+        default=False,
+        help="Don't prompt for confirmation")
+    parser.add_option("--match",
+        action="store", dest="match_re",
+        default="^ansible-testing-",
+        help="Regular expression used to find GCE resources (default: %default)")
+
+    (opts, args) = parser.parse_args()
+    for required in ['service_account_email', 'pem_file', 'project_id']:
+        if getattr(opts, required) is None:
+            parser.error("Missing required parameter: --%s" % required)
+
+    return (opts, args)
+
+if __name__ == '__main__':
+
+    (opts, args) = parse_args()
+
+    # Connect to GCE
+    gce_cls = get_driver(Provider.GCE)
+    gce = gce_cls(
+        opts.service_account_email, opts.pem_file, project=opts.project_id)
+
+    try:
+      # Delete matching instances
+      delete_gce_resources(gce.list_nodes, 'name', opts)
+    except KeyboardInterrupt, e:
+        print "\nExiting on user command."