Updated parallel commands example

Author: Panos

examples/parallel_commands.py

@@ -1,13 +1,13 @@
-from pssh import ParallelSSHClient
+from pssh.clients import ParallelSSHClient
 import datetime
 
 output = []
 host = 'localhost'
-hosts = [host]
+hosts = [host, host]
 client = ParallelSSHClient(hosts)
 
 # Run 10 five second sleeps
-cmds = ['sleep 5' for _ in xrange(10)]
+cmds = ['sleep 5; uname' for _ in range(10)]
 start = datetime.datetime.now()
 for cmd in cmds:
     output.append(client.run_command(cmd, stop_on_errors=False))
@@ -17,6 +17,11 @@
 start = datetime.datetime.now()
 for _output in output:
     client.join(_output)
-    print(_output)
+    for host_out in _output.values():
+        for line in host_out.stdout:
+            print(line)
+        for line in host_out.stderr:
+            print(line)
+        print(f"Exit code: {host_out.exit_code}")
 end = datetime.datetime.now()
 print("All commands finished in %s" % (end-start,))