Update vpp-agent version
[csit.git] / resources / libraries / python / ssh.py
index db39a07..87fc02d 100644 (file)
@@ -157,10 +157,10 @@ class SSH(object):
 
             if time() - start > timeout:
                 raise SSHTimeout(
-                    'Timeout exception.\n'
-                    'Current contents of stdout buffer: {0}\n'
-                    'Current contents of stderr buffer: {1}\n'
-                    .format(stdout.getvalue(), stderr.getvalue())
+                    'Timeout exception during execution of command: {0}\n'
+                    'Current contents of stdout buffer: {1}\n'
+                    'Current contents of stderr buffer: {2}\n'
+                    .format(cmd, stdout.getvalue(), stderr.getvalue())
                 )
 
             sleep(0.1)
@@ -260,6 +260,7 @@ class SSH(object):
                     logger.error('Channel exit status ready')
                     break
             except socket.timeout:
+                logger.error('Socket timeout: {0}'.format(buf))
                 raise Exception('Socket timeout: {0}'.format(buf))
         return chan
 
@@ -293,7 +294,10 @@ class SSH(object):
                     logger.error('Channel exit status ready')
                     break
             except socket.timeout:
-                raise Exception('Socket timeout: {0}'.format(buf))
+                logger.error('Socket timeout during execution of command: '
+                             '{0}\nBuffer content:\n{1}'.format(cmd, buf))
+                raise Exception('Socket timeout during execution of command: '
+                                '{0}\nBuffer content:\n{1}'.format(cmd, buf))
         tmp = buf.replace(cmd.replace('\n', ''), '')
         for item in prompt:
             tmp.replace(item, '')
@@ -307,17 +311,37 @@ class SSH(object):
         """
         chan.close()
 
-    def scp(self, local_path, remote_path):
-        """Copy files from local_path to remote_path.
+    def scp(self, local_path, remote_path, get=False, timeout=10):
+        """Copy files from local_path to remote_path or vice versa.
 
         connect() method has to be called first!
+
+        :param local_path: Path to local file that should be uploaded; or
+        path where to save remote file.
+        :param remote_path: Remote path where to place uploaded file; or
+        path to remote file which should be downloaded.
+        :param get: scp operation to perform. Default is put.
+        :param timeout: Timeout value in seconds.
+        :type local_path: str
+        :type remote_path: str
+        :type get: bool
+        :type timeout: int
         """
-        logger.trace('SCP {0} to {1}:{2}'.format(
-            local_path, self._ssh.get_transport().getpeername(), remote_path))
+        if not get:
+            logger.trace('SCP {0} to {1}:{2}'.format(
+                local_path, self._ssh.get_transport().getpeername(),
+                remote_path))
+        else:
+            logger.trace('SCP {0}:{1} to {2}'.format(
+                self._ssh.get_transport().getpeername(), remote_path,
+                local_path))
         # SCPCLient takes a paramiko transport as its only argument
-        scp = SCPClient(self._ssh.get_transport(), socket_timeout=10)
+        scp = SCPClient(self._ssh.get_transport(), socket_timeout=timeout)
         start = time()
-        scp.put(local_path, remote_path)
+        if not get:
+            scp.put(local_path, remote_path)
+        else:
+            scp.get(remote_path, local_path)
         scp.close()
         end = time()
         logger.trace('SCP took {0} seconds'.format(end-start))