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Diffstat (limited to 'resources/tools/scripts/topo_installation.py')
-rwxr-xr-x | resources/tools/scripts/topo_installation.py | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/resources/tools/scripts/topo_installation.py b/resources/tools/scripts/topo_installation.py new file mode 100755 index 0000000000..0488bdae69 --- /dev/null +++ b/resources/tools/scripts/topo_installation.py @@ -0,0 +1,149 @@ +#!/usr/bin/env python + +# 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. + +"""This script provides copy and installation of VPP build deb packages. + As destinations are used all DUT nodes from the topology file.""" + +import sys +import argparse +from yaml import load + +from resources.libraries.python.ssh import SSH + + +def ssh_no_error(ssh, cmd, sudo=False): + """Execute a command over ssh channel, and log and exit if the command + fails. + + :param ssh: SSH() object connected to a node. + :param cmd: Command line to execute on remote node. + :type ssh: SSH() object + :type cmd: str + :return: stdout from the SSH command. + :rtype: str + """ + + if sudo: + ret, stdo, stde = ssh.exec_command_sudo(cmd, timeout=60) + else: + ret, stdo, stde = ssh.exec_command(cmd, timeout=60) + + if ret != 0: + print 'Command execution failed: "{}"'.format(cmd) + print 'stdout: {0}'.format(stdo) + print 'stderr: {0}'.format(stde) + raise RuntimeError('Unexpected ssh command failure') + + return stdo + + +def ssh_ignore_error(ssh, cmd, sudo=False): + """Execute a command over ssh channel, ignore errors. + + :param ssh: SSH() object connected to a node. + :param cmd: Command line to execute on remote node. + :type ssh: SSH() object + :type cmd: str + :return: stdout from the SSH command. + :rtype: str + """ + + if sudo: + ret, stdo, stde = ssh.exec_command_sudo(cmd) + else: + ret, stdo, stde = ssh.exec_command(cmd) + + if ret != 0: + print 'Command execution failed: "{}"'.format(cmd) + print 'stdout: {0}'.format(stdo) + print 'stderr: {0}'.format(stde) + + return stdo + + +def main(): + """Copy and installation of VPP packages.""" + + parser = argparse.ArgumentParser() + parser.add_argument("-t", "--topo", required=True, + help="Topology file") + parser.add_argument("-d", "--directory", required=True, + help="Installation directory") + parser.add_argument("-p", "--packages", required=False, nargs='+', + help="Packages paths to copy") + parser.add_argument("-c", "--cancel", help="Cancel installation", + action="store_true") + args = parser.parse_args() + topology_file = args.topo + packages = args.packages + install_dir = args.directory + cancel_installation = args.cancel + + work_file = open(topology_file) + topology = load(work_file.read())['nodes'] + + ssh = SSH() + for node in topology: + if topology[node]['type'] == "DUT": + print "###TI host: {}".format(topology[node]['host']) + ssh.connect(topology[node]) + + if cancel_installation: + # Remove installation directory on DUT + cmd = "rm -r {}".format(install_dir) + stdout = ssh_ignore_error(ssh, cmd) + print "###TI {}".format(stdout) + + cmd = "dpkg -l | grep vpp" + ret, _, _ = ssh.exec_command(cmd) + if ret == 0: + # Try to fix interrupted installations + cmd = 'dpkg --configure -a' + stdout = ssh_no_error(ssh, cmd, sudo=True) + print "###TI {}".format(stdout) + # Try to remove installed vpp.* packages + cmd = 'apt-get purge -y "vpp.*"' + stdout = ssh_no_error(ssh, cmd, sudo=True) + print "###TI {}".format(stdout) + else: + # Create installation directory on DUT + cmd = "rm -r {0}; mkdir {0}".format(install_dir) + stdout = ssh_no_error(ssh, cmd) + print "###TI {}".format(stdout) + + # Copy packages from local path to installation dir + for deb in packages: + print "###TI scp: {}".format(deb) + ssh.scp(local_path=deb, remote_path=install_dir) + + cmd = "dpkg -l | grep vpp" + ret, _, _ = ssh.exec_command(cmd) + if ret == 0: + # Try to fix interrupted installations + cmd = 'dpkg --configure -a' + stdout = ssh_no_error(ssh, cmd, sudo=True) + print "###TI {}".format(stdout) + # Try to remove installed vpp.* packages + cmd = 'apt-get purge -y "vpp.*"' + stdout = ssh_no_error(ssh, cmd, sudo=True) + print "###TI {}".format(stdout) + + # Installation of VPP deb packages + cmd = "dpkg -i --force-all {}/*.deb".format(install_dir) + stdout = ssh_no_error(ssh, cmd, sudo=True) + print "###TI {}".format(stdout) + +if __name__ == "__main__": + sys.exit(main()) |