Cleanup DPDK framework setup

Moving installation of DPDK into KW instead of framework setup. This will
unify the framework setup and allow future optimizations.

Change-Id: I360ba95a2858e73e4bbb12020567d5d174ab69ca
Signed-off-by: Peter Mikus <pmikus@cisco.com>

2 files changed, 38 insertions, 236 deletions

diff --git a/resources/libraries/python/DPDK/DPDKTools.py b/resources/libraries/python/DPDK/DPDKTools.py
index b0e67b7ab8..4bdc68ceee 100644
--- a/resources/libraries/python/DPDK/DPDKTools.py
+++ b/resources/libraries/python/DPDK/DPDKTools.py
@@ -89,5 +89,41 @@ class DPDKTools(object):
 
             ret_code, _, _ = ssh.exec_command_sudo(cmd, timeout=600)
             if ret_code != 0:
-                raise RuntimeError('Failed to cleanup the dpdk at node {name}'
-                                   .format(name=dut_node['host']))
+                raise RuntimeError('Failed to cleanup the dpdk at node {name}'.
+                                   format(name=dut_node['host']))
+
+    @staticmethod
+    def install_dpdk_test(node):
+        """
+        Prepare the DPDK test environment
+
+        :param node: Dictionary created from topology
+        :type node: dict
+        :returns: nothing
+        :raise RuntimeError: If command returns nonzero return code.
+        """
+        arch = Topology.get_node_arch(node)
+
+        ssh = SSH()
+        ssh.connect(node)
+
+        ret_code, _, _ = ssh.exec_command(
+            '{fwdir}/tests/dpdk/dpdk_scripts/install_dpdk.sh {arch}'.
+            format(fwdir=Constants.REMOTE_FW_DIR, arch=arch), timeout=600)
+
+        if ret_code != 0:
+            raise RuntimeError('Install the DPDK failed')
+
+    @staticmethod
+    def install_dpdk_test_on_all_duts(nodes):
+        """
+        Prepare the DPDK test environment on all DUTs.
+
+        :param nodes: Nodes from topology file.
+        :type nodes: dict
+        :returns: nothing
+        """
+        for node in nodes.values():
+            if node['type'] == NodeType.DUT:
+                DPDKTools.install_dpdk_test(node)
+
diff --git a/resources/libraries/python/DPDK/SetupDPDKTest.py b/resources/libraries/python/DPDK/SetupDPDKTest.py
deleted file mode 100644
index 1e88f8d8c1..0000000000
--- a/resources/libraries/python/DPDK/SetupDPDKTest.py
+++ /dev/null
@@ -1,234 +0,0 @@
-# Copyright (c) 2018 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.
-
-"""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 resources.libraries.python.ssh import SSH
-from resources.libraries.python.constants import Constants as con
-from resources.libraries.python.topology import NodeType
-from resources.libraries.python.topology import Topology
-
-__all__ = ["SetupDPDKTest"]
-
-
-def pack_framework_dir():
-    """Pack the testing WS into temp file, return its name.
-
-    :raise RuntimeError: If command returns nonzero return code."""
-
-    tmpfile = NamedTemporaryFile(suffix=".tgz", prefix="DPDK-testing-")
-    file_name = tmpfile.name
-    tmpfile.close()
-
-    proc = Popen(
-        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 return_code != 0:
-        raise RuntimeError("Could not pack testing framework.")
-
-    return file_name
-
-
-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
-    :returns: nothing
-    """
-    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):
-    """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
-    :returns: nothing
-    :raise RuntimeError: If command returns nonzero return code.
-    """
-    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, _, stderr) = ssh.exec_command(cmd, timeout=30)
-    if ret_code != 0:
-        logger.error('Unpack error: {0}'.format(stderr))
-        raise RuntimeError('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.
-
-    :param node: Dictionary created from topology, will only install in the TG
-    :type node: dict
-    :returns: nothing
-    :raise RuntimeError: If command returns nonzero return code.
-    """
-    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), timeout=100)
-    if ret_code != 0:
-        logger.error('Virtualenv creation error: {0}'.format(stdout + stderr))
-        raise RuntimeError('Virtualenv setup failed')
-    else:
-        logger.console('Virtualenv created on {0}'.format(node['host']))
-
-def install_dpdk_test(node):
-    """
-    Prepare the DPDK test envrionment
-
-    :param node: Dictionary created from topology
-    :type node: dict
-    :returns: nothing
-    :raise RuntimeError: If command returns nonzero return code.
-    """
-    arch = Topology.get_node_arch(node)
-    logger.console('Install the DPDK on {0} ({1})'.format(node['host'],
-                                                          arch))
-
-    ssh = SSH()
-    ssh.connect(node)
-
-    (ret_code, _, stderr) = ssh.exec_command(
-        'cd {0}/tests/dpdk/dpdk_scripts/ && ./install_dpdk.sh {1}'
-        .format(con.REMOTE_FW_DIR, arch), timeout=600)
-
-    if ret_code != 0:
-        logger.error('Install the DPDK error: {0}'.format(stderr))
-        raise RuntimeError('Install the DPDK failed')
-    else:
-        logger.console('Install the DPDK on {0} success!'.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
-    :returns: True - success, False - error
-    :rtype: bool
-    """
-    tarball, remote_tarball, node = args
-
-    # if unset, arch defaults to x86_64
-    if 'arch' not in node or not node['arch']:
-        node['arch'] = 'x86_64'
-
-    try:
-        copy_tarball_to_node(tarball, node)
-        extract_tarball_at_node(remote_tarball, node)
-        if node['type'] == NodeType.DUT:
-            install_dpdk_test(node)
-        if node['type'] == NodeType.TG:
-            create_env_directory_at_node(node)
-    except RuntimeError as exc:
-        logger.error("Node setup failed, error:'{0}'".format(exc.message))
-        return False
-    else:
-        logger.console('Setup of node {0} done'.format(node['host']))
-        return True
-
-def delete_local_tarball(tarball):
-    """Delete local tarball to prevent disk pollution.
-
-    :param tarball: Path to tarball to upload.
-    :type tarball: str
-    :returns: nothing
-    """
-    call(split('sh -c "rm {0} > /dev/null 2>&1"'.format(tarball)))
-
-
-class SetupDPDKTest(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/
-    """
-
-    @staticmethod
-    def setup_dpdk_test(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 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))
-        result = pool.map_async(setup_node, params)
-        pool.close()
-        pool.join()
-
-        # Turn on logging
-        BuiltIn().set_log_level(log_level)
-
-        logger.info(
-            'Executed node setups in parallel, waiting for processes to end')
-        result.wait()
-
-        results = result.get()
-        node_setup_success = all(results)
-        logger.info('Results: {0}'.format(results))
-
-        logger.trace('Test framework copied to all topology nodes')
-        delete_local_tarball(tarball)
-        if node_setup_success:
-            logger.console('All nodes are ready')
-        else:
-            logger.console('Failed to setup dpdk on all the nodes')