X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Ftools%2Ftopo_installation.py;h=3e3fda864ee7aafd1954934472f69ce93351750e;hp=7fb60aca1507636a52cd0e24bada96e419c664df;hb=4bda4f8b55b0d431b514663e8e90fccd97ad31d4;hpb=4ae37074a3e74bd6fdcd606d1553b99131372c84

diff --git a/resources/tools/topo_installation.py b/resources/tools/topo_installation.py
index 7fb60aca15..3e3fda864e 100755
--- a/resources/tools/topo_installation.py
+++ b/resources/tools/topo_installation.py
@@ -22,36 +22,125 @@ 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)
+    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)
+        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=True, nargs='+',
+    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":
-            ssh = SSH()
+            print "###TI host: {}".format(topology[node]['host'])
             ssh.connect(topology[node])
 
-            # Copy packages from local path to installation dir
-            for deb in packages:
-                ssh.scp(local_path=deb,remote_path=install_dir)
+            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 = "mkdir {}".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
-            ret, _, err = ssh.exec_command("dpkg -i {}*.deb".format(install_dir))
-            if ret != 0:
-                print("Installation unsuccessful:\n{}".format(err))
-                return ret
+                # 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())