snf-ci: Add 'shell' command

ci/snf-ci

@@ -18,6 +18,7 @@ DEPLOY_SYNNEFO_CMD = "deploy"
 TEST_SYNNEFO_CMD = "test"
 RUN_BURNIN_CMD = "burnin"
 CREATE_X2GO_FILE = "x2goplugin"
+SHELL_CONNECT = "shell"
 ALL_CMDS = "all"
 
 COMMANDS_IN_ALL_MODE = [
@@ -32,6 +33,7 @@ COMMANDS_IN_ALL_MODE = [
 AVAILABLE_COMMANDS = [
     CREATE_X2GO_FILE,
     DELETE_SERVER_CMD,
+    SHELL_CONNECT,
 ] + COMMANDS_IN_ALL_MODE
 
 USAGE = """usage: %%prog [options] command[,command...]
@@ -45,6 +47,7 @@ command:
     * %s: Run snf-burnin in the deployed Synnefo
     * %s: Create x2go plugin file
     * %s: Delete the slave server
+    * %s: Connect to the server using ssh
 
     * %s: Run all the available commands
 """ % tuple([CREATE_SERVER_CMD,
@@ -55,10 +58,11 @@ command:
              RUN_BURNIN_CMD,
              CREATE_X2GO_FILE,
              DELETE_SERVER_CMD,
+             SHELL_CONNECT,
              ALL_CMDS])
 
 
-def main():  # Too many branches. pylint: disable-msg=R0912
+def main():  # pylint: disable=too-many-statements, too-many-branches
     """Parse command line options and run the specified actions"""
     parser = OptionParser(usage=USAGE)
     parser.add_option("-c", "--conf", dest="config_file", default=None,
@@ -79,7 +83,7 @@ def main():  # Too many branches. pylint: disable-msg=R0912
                       help="Upload/Install the public ssh keys contained"
                            " in this file to the server")
     parser.add_option("--name", dest="server_name", default=None,
-                      help=""),
+                      help="")
     parser.add_option("-n", "--build-id", dest="build_id", default=None,
                       type="int",
                       help="Specify a number to use to identify this build."
@@ -172,6 +176,8 @@ def main():  # Too many branches. pylint: disable-msg=R0912
         synnefo_ci.x2go_plugin(options.x2go_output)
     if getattr(options, DELETE_SERVER_CMD, False):
         synnefo_ci.destroy_server()
+    if getattr(options, SHELL_CONNECT, False):
+        synnefo_ci.shell_connect()
 
 
 if __name__ == "__main__":

ci/utils.py

@@ -261,6 +261,12 @@ class SynnefoCI(object):
                              fip['floating_ip_address'])
             self.network_client.delete_floatingip(fip['id'])
 
+    # pylint: disable= no-self-use
+    @_check_fabric
+    def shell_connect(self):
+        """Open shell to remote server"""
+        fabric.open_shell("export TERM=xterm")
+
     def _create_floating_ip(self):
         """Create a new floating ip"""
         networks = self.network_client.list_networks(detail=True)