CSIT-1193 De-duplicate bootstrap scripts into one

[csit.git] / resources / tools / scripts / topo_cleanup.py

diff --git a/resources/tools/scripts/topo_cleanup.py b/resources/tools/scripts/topo_cleanup.py
new file mode 100755 (executable)
index 0000000..c708a5d
--- /dev/null
+++ b/resources/tools/scripts/topo_cleanup.py
@@ -0,0 +1,118 @@
+#!/usr/bin/env python
+
+# 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 script provides cleanup routines on all DUTs."""
+
+import argparse
+import sys
+from platform import dist
+from yaml import load
+
+from resources.libraries.python.ssh import SSH
+
+
+def execute_command_ssh(ssh, cmd, sudo=False):
+    """Execute a command over ssh channel, and print outputs.
+
+    :param ssh: SSH() object connected to a node.
+    :param cmd: Command line to execute on remote node.
+    :param sudo: Run command with sudo privilege level..
+    :type ssh: SSH() object
+    :type cmd: str
+    :type sudo: bool
+    :returns return_code, stdout, stderr
+    :rtype: tuple(int, str, str)
+    """
+    if sudo:
+        ret, stdout, stderr = ssh.exec_command_sudo(cmd, timeout=60)
+    else:
+        ret, stdout, stderr = ssh.exec_command(cmd, timeout=60)
+
+    print 'Executing: {cmd}'.format(cmd=cmd)
+    print '({ret}) {stdout} {stderr}'.format(ret=ret, stdout=stdout,
+                                             stderr=stderr)
+
+    return ret, stdout, stdout
+
+def uninstall_package(ssh, package):
+    """If there are packages installed, clean them up.
+
+    :param ssh: SSH() object connected to a node.
+    :param package: Package name.
+    :type ssh: SSH() object
+    :type package: str
+    """
+    if dist()[0] == 'Ubuntu':
+        ret, _, _ = ssh.exec_command("dpkg -l | grep {package}".format(
+            package=package))
+        if ret == 0:
+            # Try to fix interrupted installations first.
+            execute_command_ssh(ssh, 'dpkg --configure -a', sudo=True)
+            # Try to remove installed packages
+            execute_command_ssh(ssh, 'apt-get purge -y "{package}.*"'.format(
+                package=package), sudo=True)
+
+def kill_process(ssh, process):
+    """If there are running processes, kill them.
+
+    :param ssh: SSH() object connected to a node.
+    :param process: Process name.
+    :type ssh: SSH() object
+    :type process: str
+    """
+    execute_command_ssh(ssh, 'killall -v -s 9 {process}'.format(
+        process=process), sudo=True)
+
+
+def main():
+    """Testbed cleanup."""
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument("-t", "--topo", required=True, help="Topology file")
+
+    args = parser.parse_args()
+    topology_file = args.topo
+
+    topology = load(open(topology_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])
+
+            # Kill processes.
+            kill_process(ssh, 'qemu')
+            kill_process(ssh, 'l3fwd')
+            kill_process(ssh, 'testpmd')
+
+            # Uninstall packages
+            uninstall_package(ssh, 'vpp')
+            uninstall_package(ssh, 'honeycomb')
+
+            # Remove HC logs.
+            execute_command_ssh(ssh, 'rm -rf /var/log/honeycomb',
+                                sudo=True)
+
+            # Kill all containers.
+            execute_command_ssh(ssh, 'docker rm $(sudo docker ps -a -q)',
+                                sudo=True)
+
+            # Destroy kubernetes.
+            execute_command_ssh(ssh, 'kubeadm reset --force',
+                                sudo=True)
+
+if __name__ == "__main__":
+    sys.exit(main())