diff options
Diffstat (limited to 'resources/libraries')
| -rw-r--r-- | resources/libraries/python/SetupFramework.py | 65 | ||||
| -rw-r--r-- | resources/libraries/python/ssh.py | 17 |
2 files changed, 65 insertions, 17 deletions
diff --git a/resources/libraries/python/SetupFramework.py b/resources/libraries/python/SetupFramework.py index 2a0bd4284e..b3df489685 100644 --- a/resources/libraries/python/SetupFramework.py +++ b/resources/libraries/python/SetupFramework.py @@ -11,19 +11,25 @@ # 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. +""" + 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"] +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"] def pack_framework_dir(): """Pack the testing WS into temp file, return its name.""" @@ -48,6 +54,14 @@ 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: string + :type node: dict + :return: nothing + """ logger.console('Copying tarball to {0}'.format(node['host'])) ssh = SSH() ssh.connect(node) @@ -56,6 +70,16 @@ 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: string + :type node: dict + :return: nothing + """ logger.console('Extracting tarball to {0} on {1}'.format( con.REMOTE_FW_DIR, node['host'])) ssh = SSH() @@ -63,7 +87,7 @@ 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( @@ -77,9 +101,9 @@ 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') @@ -87,18 +111,32 @@ def create_env_directory_at_node(node): 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: string + :return: nothing + """ + call(shlex.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 @@ -109,7 +147,8 @@ class SetupFramework(object): 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() @@ -136,3 +175,5 @@ class SetupFramework(object): 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') + diff --git a/resources/libraries/python/ssh.py b/resources/libraries/python/ssh.py index a94eec4e91..6914d528d6 100644 --- a/resources/libraries/python/ssh.py +++ b/resources/libraries/python/ssh.py @@ -10,6 +10,7 @@ # 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 socket import paramiko from paramiko import RSAKey import StringIO @@ -95,11 +96,17 @@ class SSH(object): self._ssh.get_transport().getpeername(), end-start)) stdout = "" - while True: - buf = chan.recv(self.__MAX_RECV_BUF) - stdout += buf - if not buf: - break + try: + while True: + buf = chan.recv(self.__MAX_RECV_BUF) + stdout += buf + if not buf: + break + except socket.timeout: + logger.error('Caught timeout exception, current contents ' + 'of buffer: {0}'.format(stdout)) + raise + stderr = "" while True: |