Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/2339#discussion_r17377246
--- Diff: ec2/spark_ec2.py ---
@@ -618,6 +620,57 @@ def wait_for_cluster(conn, wait_secs, master_nodes,
slave_nodes):
time.sleep(wait_secs)
+def is_ssh_available(host, opts):
+ "Checks if SSH is available on the host."
+ try:
+ with open(os.devnull, 'w') as devnull:
+ ret = subprocess.check_call(
+ ssh_command(opts) +
+ ['-t', '-t',
+ '-o', 'ConnectTimeout=3',
+ '%s@%s' % (opts.user, host),
+ stringify_command('true')],
+ stdout=devnull,
+ stderr=devnull
+ )
+ if ret == 0:
+ return True
+ else:
+ return False
--- End diff --
return ret == 0
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
