Add Tobiko run command

Add basic structure file for supporting Tobiko run command.

The command will be used for generating configuration and run
the tests.

Change-Id: I046b3a85e2ad3d73f983d2be0c804ee863d56d9c

Pipfile

@@ -7,6 +7,8 @@ name = "pypi"
 tobiko = {editable = true,path = "."}
 ansible = "*"
 testscenarios = "*"
+crayons = "*"
+cryptography = "2.2.2"
 
 [dev-packages]
 

README.rst

@@ -7,3 +7,11 @@ Tempest plugin for testing upgrades
 * Free software: Apache license
 * Source: https://git.openstack.org/cgit/openstack/tobiko
 * Bugs: https://bugs.launchpad.net/tobiko
+
+
+Usage
+-----
+
+Run Neutorn tests::
+
+    tox -e neutron

extra-requirements.txt

@@ -3,3 +3,5 @@
 ansible>=2.4.0       # GPLv3
 os-faults>=0.1.18    # Apache-2.0
 tempest>=17.1.0      # Apache-2.0
+crayons>=0.1.2
+cryptography<=2.2.2

setup.cfg

@@ -30,6 +30,7 @@ console_scripts =
     tobiko-create = tobiko.cmd.create:main
     tobiko-delete = tobiko.cmd.delete:main
     tobiko-list = tobiko.cmd.list:main
+    tobiko = tobiko.cmd.run:main
 
 [global]
 setup-hooks =

tobiko/cmd/run.py

@@ -0,0 +1,62 @@
+# Copyright 2018 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 argparse
+import sys
+
+import crayons
+import paramiko
+
+from oslo_log import log
+
+LOG = log.getLogger(__name__)
+
+
+class Tobiko():
+
+    def __init__(self):
+        self.parser = self.get_parser()
+        self.args = (self.parser).parse_args()
+        self.ssh = paramiko.SSHClient()
+        self.ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+
+    def get_parser(self):
+        parser = argparse.ArgumentParser(add_help=True)
+        parser.add_argument(
+            '--host',
+            help="The name of the host where your cloud is deployed.\n")
+        parser.add_argument(
+            '--key', '-k',
+            help="They SSH key to use to connect the host.")
+        return parser
+
+    def verify_connection(self):
+        """Verifies it's able to connect the host provided by the user."""
+        try:
+            self.ssh.connect(self.args.host)
+        except paramiko.ssh_exception.AuthenticationException:
+            LOG.error("Unable to connect {}".format(
+                crayons.red(self.args.host)))
+
+
+def main():
+    """Run CLI main entry."""
+    tobiko = Tobiko()
+    tobiko.verify_connection()
+    # run.discover_environment()
+
+
+if __name__ == '__main__':
+    sys.exit(main())