Add Honeycomb interface management tests (ipv4, ipv6, ethernet, routing)

[csit.git] / resources / libraries / python / SetupFramework.py

diff --git a/resources/libraries/python/SetupFramework.py b/resources/libraries/python/SetupFramework.py
index 2a0bd42..ddc5514 100644 (file)
--- a/resources/libraries/python/SetupFramework.py
+++ b/resources/libraries/python/SetupFramework.py
@@ -11,16 +11,23 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import shlex
+"""This module exists to provide setup utilities for the framework on topology
+nodes. All tasks required to be run before the actual tests are started is
+supposed to end up here.
+"""
+
+from shlex import split
 from subprocess import Popen, PIPE, call
 from multiprocessing import Pool
 from tempfile import NamedTemporaryFile
 from os.path import basename
+
 from robot.api import logger
 from robot.libraries.BuiltIn import BuiltIn
-from ssh import SSH
-from constants import Constants as con
-from topology import NodeType
+
+from resources.libraries.python.ssh import SSH
+from resources.libraries.python.constants import Constants as con
+from resources.libraries.python.topology import NodeType
 
 __all__ = ["SetupFramework"]
 
@@ -33,7 +40,7 @@ def pack_framework_dir():
     tmpfile.close()
 
     proc = Popen(
-        shlex.split("tar --exclude-vcs -zcf {0} .".format(file_name)),
+        split("tar --exclude-vcs -zcf {0} .".format(file_name)),
         stdout=PIPE, stderr=PIPE)
     (stdout, stderr) = proc.communicate()
 
@@ -48,6 +55,14 @@ def pack_framework_dir():
 
 
 def copy_tarball_to_node(tarball, node):
+    """Copy tarball file from local host to remote node.
+
+    :param tarball: Path to tarball to upload.
+    :param node: Dictionary created from topology.
+    :type tarball: str
+    :type node: dict
+    :return: nothing
+    """
     logger.console('Copying tarball to {0}'.format(node['host']))
     ssh = SSH()
     ssh.connect(node)
@@ -56,6 +71,16 @@ def copy_tarball_to_node(tarball, node):
 
 
 def extract_tarball_at_node(tarball, node):
+    """Extract tarball at given node.
+
+    Extracts tarball using tar on given node to specific CSIT loocation.
+
+    :param tarball: Path to tarball to upload.
+    :param node: Dictionary created from topology.
+    :type tarball: str
+    :type node: dict
+    :return: nothing
+    """
     logger.console('Extracting tarball to {0} on {1}'.format(
         con.REMOTE_FW_DIR, node['host']))
     ssh = SSH()
@@ -63,7 +88,7 @@ def extract_tarball_at_node(tarball, node):
 
     cmd = 'sudo rm -rf {1}; mkdir {1} ; tar -zxf {0} -C {1}; ' \
         'rm -f {0}'.format(tarball, con.REMOTE_FW_DIR)
-    (ret_code, stdout, stderr) = ssh.exec_command(cmd, timeout=30)
+    (ret_code, _, stderr) = ssh.exec_command(cmd, timeout=30)
     if 0 != ret_code:
         logger.error('Unpack error: {0}'.format(stderr))
         raise Exception('Failed to unpack {0} at node {1}'.format(
@@ -77,28 +102,45 @@ def create_env_directory_at_node(node):
     ssh = SSH()
     ssh.connect(node)
     (ret_code, stdout, stderr) = ssh.exec_command(
-            'cd {0} && rm -rf env && virtualenv env && '
-            '. env/bin/activate && '
-            'pip install -r requirements.txt'.format(con.REMOTE_FW_DIR), timeout=100)
+        'cd {0} && rm -rf env && virtualenv env && . env/bin/activate && '
+        'pip install -r requirements.txt'
+        .format(con.REMOTE_FW_DIR), timeout=100)
     if 0 != ret_code:
         logger.error('Virtualenv creation error: {0}'.format(stdout + stderr))
         raise Exception('Virtualenv setup failed')
     else:
         logger.console('Virtualenv created on {0}'.format(node['host']))
 
+
 def setup_node(args):
+    """Run all set-up methods for a node.
+
+    This method is used as map_async parameter. It receives tuple with all
+    parameters as passed to map_async function.
+
+    :param args: All parameters needed to setup one node.
+    :type args: tuple
+    :return: nothing
+    """
     tarball, remote_tarball, node = args
     copy_tarball_to_node(tarball, node)
     extract_tarball_at_node(remote_tarball, node)
     if node['type'] == NodeType.TG:
         create_env_directory_at_node(node)
+    logger.console('Setup of node {0} done'.format(node['host']))
 
 
 def delete_local_tarball(tarball):
-    call(shlex.split('sh -c "rm {0} > /dev/null 2>&1"'.format(tarball)))
+    """Delete local tarball to prevent disk pollution.
+
+    :param tarball: Path to tarball to upload.
+    :type tarball: str
+    :return: nothing
+    """
+    call(split('sh -c "rm {0} > /dev/null 2>&1"'.format(tarball)))
 
 
-class SetupFramework(object):
+class SetupFramework(object): # pylint: disable=too-few-public-methods
     """Setup suite run on topology nodes.
 
     Many VAT/CLI based tests need the scripts at remote hosts before executing
@@ -106,10 +148,8 @@ class SetupFramework(object):
     to all nodes in topology under /tmp/
     """
 
-    def __init__(self):
-        pass
-
-    def setup_framework(self, nodes):
+    @staticmethod
+    def setup_framework(nodes):
         """Pack the whole directory and extract in temp on each node."""
 
         tarball = pack_framework_dir()
@@ -118,7 +158,7 @@ class SetupFramework(object):
         logger.trace(msg)
         remote_tarball = "/tmp/{0}".format(basename(tarball))
 
-        # Turn off loggining since we use multiprocessing
+        # Turn off logging since we use multiprocessing
         log_level = BuiltIn().set_log_level('NONE')
         params = ((tarball, remote_tarball, node) for node in nodes.values())
         pool = Pool(processes=len(nodes))
@@ -132,7 +172,9 @@ class SetupFramework(object):
 
         logger.info('Results: {0}'.format(result.get()))
 
-        # Turn on loggining
+        # Turn on logging
         BuiltIn().set_log_level(log_level)
         logger.trace('Test framework copied to all topology nodes')
         delete_local_tarball(tarball)
+        logger.console('All nodes are ready')
+