"""DUT setup library."""
-import os
-
from robot.api import logger
from resources.libraries.python.topology import NodeType, Topology
class DUTSetup(object):
"""Contains methods for setting up DUTs."""
+
+ @staticmethod
+ def get_service_logs(node, service):
+ """Get specific service unit logs by journalctl from node.
+
+ :param node: Node in the topology.
+ :param service: Service unit name.
+ :type node: dict
+ :type service: str
+ """
+ ssh = SSH()
+ ssh.connect(node)
+ ret_code, _, _ = \
+ ssh.exec_command_sudo('journalctl --no-pager --unit={name} '
+ '--since="$(echo `systemctl show -p '
+ 'ActiveEnterTimestamp {name}` | '
+ 'awk \'{{print $2 $3}}\')"'.
+ format(name=service))
+ if int(ret_code) != 0:
+ raise RuntimeError('DUT {host} failed to get logs from unit {name}'.
+ format(host=node['host'], name=service))
+
+ @staticmethod
+ def get_service_logs_on_all_duts(nodes, service):
+ """Get specific service unit logs by journalctl from all DUTs.
+
+ :param nodes: Nodes in the topology.
+ :param service: Service unit name.
+ :type nodes: dict
+ :type service: str
+ """
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ DUTSetup.get_service_logs(node, service)
+
+ @staticmethod
+ def start_service(node, service):
+ """Start up the named service on node.
+
+ :param node: Node in the topology.
+ :param service: Service unit name.
+ :type node: dict
+ :type service: str
+ """
+ ssh = SSH()
+ ssh.connect(node)
+ # We are doing restart. With this we do not care if service
+ # was running or not.
+ ret_code, _, _ = \
+ ssh.exec_command_sudo('service {name} restart'.
+ format(name=service), timeout=120)
+ if int(ret_code) != 0:
+ raise RuntimeError('DUT {host} failed to start service {name}'.
+ format(host=node['host'], name=service))
+
+ DUTSetup.get_service_logs(node, service)
+
@staticmethod
def start_vpp_service_on_all_duts(nodes):
"""Start up the VPP service on all nodes.
:param nodes: Nodes in the topology.
:type nodes: dict
"""
- ssh = SSH()
for node in nodes.values():
if node['type'] == NodeType.DUT:
- ssh.connect(node)
- (ret_code, stdout, stderr) = \
- ssh.exec_command_sudo('service vpp restart', timeout=120)
- if int(ret_code) != 0:
- raise Exception('DUT {0} failed to start VPP service'.
- format(node['host']))
+ DUTSetup.start_service(node, Constants.VPP_UNIT)
@staticmethod
def vpp_show_version_verbose(node):
try:
vat.script_should_have_passed()
except AssertionError:
- raise RuntimeError('Failed to get VPP version on host: {}'.
- format(node['host']))
+ raise RuntimeError('Failed to get VPP version on host: {name}'.
+ format(name=node['host']))
@staticmethod
def show_vpp_version_on_all_duts(nodes):
try:
vat.script_should_have_passed()
except AssertionError:
- raise RuntimeError('Failed to get VPP interfaces on host: {}'.
- format(node['host']))
+ raise RuntimeError('Failed to get VPP interfaces on host: {name}'.
+ format(name=node['host']))
@staticmethod
def vpp_api_trace_save(node):
ssh = SSH()
ssh.connect(node)
- (ret_code, stdout, stderr) = \
+ ret_code, _, _ = \
ssh.exec_command('sudo -Sn bash {0}/{1}/dut_setup.sh'.
format(Constants.REMOTE_FW_DIR,
Constants.RESOURCES_LIB_SH), timeout=120)
if int(ret_code) != 0:
- logger.debug('DUT {0} setup script failed: "{1}"'.
- format(node['host'], stdout + stderr))
- raise Exception('DUT test setup script failed at node {}'.
- format(node['host']))
+ raise RuntimeError('DUT test setup script failed at node {name}'.
+ format(name=node['host']))
@staticmethod
def get_vpp_pid(node):
if int(r_rcode) != 0:
raise RuntimeError('Failed to remove previous VPP'
'installation on host {0}:\n{1}'
- .format(node['host']), r_err)
+ .format(node['host'], r_err))
rpm_pkgs = "*.rpm ".join(str(vpp_pkg_dir + pkg)
for pkg in vpp_rpm_pkgs) + "*.rpm"
ret_code, _, err = ssh.exec_command_sudo(cmd_i, timeout=90)
if int(ret_code) != 0:
raise RuntimeError('Failed to install VPP on host {0}:'
- '\n{1}'.format(node['host']), err)
+ '\n{1}'.format(node['host'], err))
else:
ssh.exec_command_sudo("rpm -qai vpp*")
logger.info("VPP installed on node {0}".
if int(r_rcode) != 0:
raise RuntimeError('Failed to remove previous VPP'
'installation on host {0}:\n{1}'
- .format(node['host']), r_err)
+ .format(node['host'], r_err))
deb_pkgs = "*.deb ".join(str(vpp_pkg_dir + pkg)
for pkg in vpp_deb_pkgs) + "*.deb"
cmd_i = "dpkg -i --force-all {0}".format(deb_pkgs)
ret_code, _, err = ssh.exec_command_sudo(cmd_i, timeout=90)
if int(ret_code) != 0:
raise RuntimeError('Failed to install VPP on host {0}:'
- '\n{1}'.format(node['host']), err)
+ '\n{1}'.format(node['host'], err))
else:
ssh.exec_command_sudo("dpkg -l | grep vpp")
logger.info("VPP installed on node {0}".
import time
from resources.libraries.python.ssh import SSH
+from resources.libraries.python.constants import Constants
+from resources.libraries.python.DUTSetup import DUTSetup
from resources.libraries.python.topology import NodeType
from resources.libraries.python.topology import Topology
filename = self._vpp_startup_conf
if self._vpp_startup_conf_backup is not None:
- (ret, _, _) = \
- ssh.exec_command('sudo cp {0} {1}'.
- format(self._vpp_startup_conf,
- self._vpp_startup_conf_backup))
+ ret, _, _ = \
+ ssh.exec_command('sudo cp {src} {dest}'.
+ format(src=self._vpp_startup_conf,
+ dest=self._vpp_startup_conf_backup))
if ret != 0:
- raise RuntimeError('Backup of config file failed on node {}'.
- format(self._hostname))
+ raise RuntimeError('Backup of config file failed on node '
+ '{name}'.format(name=self._hostname))
- (ret, _, _) = \
+ ret, _, _ = \
ssh.exec_command('echo "{config}" | sudo tee {filename}'.
format(config=self._vpp_config,
filename=filename))
if ret != 0:
- raise RuntimeError('Writing config file failed to node {}'.
- format(self._hostname))
+ raise RuntimeError('Writing config file failed to node {name}'.
+ format(name=self._hostname))
if restart_vpp:
- # Instead of restarting, we'll do separate start and stop
- # actions. This way we don't care whether VPP was running
- # to begin with.
- ssh.exec_command('sudo service {} stop'
- .format(self._vpp_service_name))
- (ret, _, _) = \
- ssh.exec_command('sudo service {} start'
- .format(self._vpp_service_name))
- if ret != 0:
- raise RuntimeError('Restarting VPP failed on node {}'.
- format(self._hostname))
+ DUTSetup.start_service(self._node, Constants.VPP_UNIT)
# Sleep <waittime> seconds, up to <retry> times,
# and verify if VPP is running.
for _ in range(retries):
time.sleep(1)
- (ret, stdout, _) = \
+ ret, stdout, _ = \
ssh.exec_command('echo show hardware-interfaces | '
'nc 0 5002 || echo "VPP not yet running"')
if ret == 0 and 'VPP not yet running' not in stdout:
break
else:
- raise RuntimeError('VPP failed to restart on node {}'.
- format(self._hostname))
+ raise RuntimeError('VPP failed to restart on node {name}'.
+ format(name=self._hostname))
def restore_config(self):
"""Restore VPP startup.conf from backup.
ssh = SSH()
ssh.connect(self._node)
- (ret, _, _) = ssh.exec_command('sudo cp {0} {1}'.
- format(self._vpp_startup_conf_backup,
- self._vpp_startup_conf))
+ ret, _, _ = ssh.exec_command('sudo cp {src} {dest}'.
+ format(src=self._vpp_startup_conf_backup,
+ dest=self._vpp_startup_conf))
if ret != 0:
- raise RuntimeError('Restoration of config file failed on node {}'.
- format(self._hostname))
+ raise RuntimeError('Restoration of config file failed on node '
+ '{name}'.format(name=self._hostname))
Code Review / csit.git / commitdiff