New version of RF tests.

Change-Id: I241a2b7a7706e65f71cfd4a62e2a40f053fc5d07
Signed-off-by: Stefan Kobza <skobza@cisco.com>

1 files changed, 137 insertions, 0 deletions

diff --git a/resources/libraries/python/SetupFramework.py b/resources/libraries/python/SetupFramework.py
new file mode 100644
index 0000000000..47c609fada
--- /dev/null
+++ b/resources/libraries/python/SetupFramework.py
@@ -0,0 +1,137 @@
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# 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.
+
+import shlex
+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
+
+__all__ = ["SetupFramework"]
+
+
+def pack_framework_dir():
+    """Pack the testing WS into temp file, return its name."""
+
+    tmpfile = NamedTemporaryFile(suffix=".tgz", prefix="openvpp-testing-")
+    file_name = tmpfile.name
+    tmpfile.close()
+
+    proc = Popen(
+        shlex.split("tar --exclude-vcs -zcf {0} .".format(file_name)),
+        stdout=PIPE, stderr=PIPE)
+    (stdout, stderr) = proc.communicate()
+
+    logger.debug(stdout)
+    logger.debug(stderr)
+
+    return_code = proc.wait()
+    if 0 != return_code:
+        raise Exception("Could not pack testing framework.")
+
+    return file_name
+
+
+def copy_tarball_to_node(tarball, node):
+    logger.console('Copying tarball to {0}'.format(node['host']))
+    ssh = SSH()
+    ssh.connect(node)
+
+    ssh.scp(tarball, "/tmp/")
+
+
+def extract_tarball_at_node(tarball, node):
+    logger.console('Extracting tarball to {0} on {1}'.format(
+        con.REMOTE_FW_DIR, node['host']))
+    ssh = SSH()
+    ssh.connect(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)
+    if 0 != ret_code:
+        logger.error('Unpack error: {0}'.format(stderr))
+        raise Exception('Failed to unpack {0} at node {1}'.format(
+            tarball, node['host']))
+
+
+def create_env_directory_at_node(node):
+    """Create fresh virtualenv to a directory, install pip requirements."""
+    logger.console('Extracting virtualenv, installing requirements.txt '
+                   'on {0}'.format(node['host']))
+    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))
+    if 0 != ret_code:
+        logger.error('Virtualenv creation error: {0}'.format(stdout + stderr))
+        raise Exception('Virtualenv setup failed')
+
+
+def setup_node(args):
+    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)
+
+
+def delete_local_tarball(tarball):
+    call(shlex.split('sh -c "rm {0} > /dev/null 2>&1"'.format(tarball)))
+
+
+class SetupFramework(object):
+    """Setup suite run on topology nodes.
+
+    Many VAT/CLI based tests need the scripts at remote hosts before executing
+    them. This class packs the whole testing directory and copies it over
+    to all nodes in topology under /tmp/
+    """
+
+    def __init__(self):
+        pass
+
+    def setup_framework(self, nodes):
+        """Pack the whole directory and extract in temp on each node."""
+
+        tarball = pack_framework_dir()
+        msg = 'Framework packed to {0}'.format(tarball)
+        logger.console(msg)
+        logger.trace(msg)
+        remote_tarball = "/tmp/{0}".format(basename(tarball))
+
+        # Turn off loggining 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))
+        result = pool.map_async(setup_node, params)
+        pool.close()
+        pool.join()
+
+        logger.info(
+            'Executed node setups in parallel, waiting for processes to end')
+        result.wait()
+
+        logger.info('Results: {0}'.format(result.get()))
+
+        # Turn on loggining
+        BuiltIn().set_log_level(log_level)
+        logger.trace('Test framework copied to all topology nodes')
+        delete_local_tarball(tarball)