Add functional test case for undercloud SSH connection params

Change-Id: Id0c1c56ad4aac1aba3677f0bbbe3af7464c1d6d4

tobiko/tests/functional/tripleo/test_undercloud.py

@@ -0,0 +1,65 @@
+# Copyright 2019 Red Hat
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+from __future__ import absolute_import
+
+import testtools
+
+import tobiko
+from tobiko import config
+from tobiko.shell import sh
+from tobiko.shell import ssh
+
+
+CONF = config.CONF
+TRIPLEO_CONF = CONF.tobiko.tripleo
+
+
+@tobiko.skip_unless('Undercloud SSH hostname not defined',
+                    TRIPLEO_CONF.undercloud_ssh_hostname,)
+class UndercloudSshConnectionTest(testtools.TestCase):
+
+    def setUp(self):
+        super(UndercloudSshConnectionTest, self).setUp()
+        self.ssh_client = ssh.ssh_client(
+            host=TRIPLEO_CONF.undercloud_ssh_hostname,
+            port=TRIPLEO_CONF.undercloud_ssh_port,
+            username=TRIPLEO_CONF.undercloud_ssh_username)
+
+    def test_connect_to_undercloud(self):
+        self.ssh_client.connect()
+
+    def test_fetch_undercloud_credentials(self):
+        self._test_fetch_credentials(rcfile=TRIPLEO_CONF.undercloud_rcfile)
+
+    def test_fetch_overcloud_credentials(self):
+        self._test_fetch_credentials(rcfile=TRIPLEO_CONF.overcloud_rcfile)
+
+    def _test_fetch_credentials(self, rcfile):
+        env = self.fetch_os_env(rcfile=rcfile)
+        self.assertTrue(env['OS_AUTH_URL'])
+        self.assertTrue(env.get('OS_USERNAME') or env.get('OS_USER_ID'))
+        self.assertTrue(env['OS_PASSWORD'])
+        self.assertTrue(env.get('OS_TENANT_NAME') or
+                        env.get('OS_PROJECT_NAME') or
+                        env.get('OS_TENANT_ID') or
+                        env.get('OS_PROJECT_ID'))
+
+    def fetch_os_env(self, rcfile):
+        command = ". {rcfile}; env | grep '^OS_'".format(rcfile=rcfile)
+        result = sh.execute(command, ssh_client=self.ssh_client)
+        env = {}
+        for line in result.stdout.splitlines():
+            name, value = line.split('=')
+            env[name] = value
+        return env