Github user radarwave commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/1211#discussion_r110324197
--- Diff: tools/bin/hawqpylib/hawqlib.py ---
@@ -203,6 +203,13 @@ def check_hostname_equal(remote_host, user = ""):
cmd = "hostname"
result_local, local_hostname, stderr_remote = local_ssh_output(cmd)
result_remote, remote_hostname, stderr_remote = remote_ssh_output(cmd,
remote_host, user)
+ if result_remote != 0:
+ print stderr_remote
+ print "Execute remote command failed on %s." % remote_host
--- End diff --
For Q1, added command line and error code in the error message.
For Q2, there are enough error information inside stderr_remote. User can
read and know what's happening.
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