SSH reconnecting for every step

[kyau]

Hi, I'm new to RunDeck, I have a simple job, which it seems to re-establish an SSH connection for every step, and twice if its a script, is there a way to run the job on on SSH connection ?

And there seems to be an exception thrown ?

So I have 15 steps, some are just making echo commands like this:

1.  echo Starting

But when I look at the log i see:

xxxxxxxxxxxx.net1-exec

05:14:22

Starting SSH Connection: x...@xx.xxx.xxx.xx (xxxxxxxxxxxx.net)

05:14:22

Set timeout to 0

05:14:22

Connecting to xx.xxx.xxx.xx:22

05:14:22

Connecting to xx.xxx.xxx.xx port 22

05:14:22

Connection established

...

05:14:22

Permanently added 'xx.xxx.xxx.xx' (RSA) to the list of known hosts.

05:14:22

SSH_MSG_NEWKEYS sent

05:14:22

SSH_MSG_NEWKEYS received

05:14:22

SSH_MSG_SERVICE_REQUEST sent

05:14:22

SSH_MSG_SERVICE_ACCEPT received

05:14:22

Authentications that can continue: publickey,keyboard-interactive,password

05:14:22

Next authentication method: publickey

05:14:22

Authentication succeeded (publickey).

05:14:22

Starting

05:14:22

Adding reference: ant.PropertyHelper

05:14:22

Setting project property: sshexec.output -> Publish Starting

05:14:22

Disconnecting from xx.xxx.xxx.xx port 22

05:14:22

Caught an exception, leaving main loop due to Socket closed

...

daz02htp9200.sites.homestore.net14-exec

05:15:41

Starting SSH Connection: x...@1xx.xxx.xxx.xx (xxxxxxxxxxxx.net)

...

05:15:42

Disconnecting from xx.xxx.xxx.xx port 22

05:15:42

Caught an exception, leaving main loop due to Socket closed

Its a similar output for each step (twice for steps which are scripts), where the only difference is the output related to what the step is doing.

There are 15 steps, (2 of which are scripts), so there are 18 SSH connections established in this job.

Is it possible to only use one SSH connection for the whole job ? does Log level set to DEBUG affect this ?

[Greg Schueler]

Hi Kyau,

Yes each command step is run in its own SSH connection, and each script is first scp'd to the node, and then executed in another connection.

You could put the commands inside a script if too many connections is a concern.

Setting the loglevel to Debug will show the ssh connection messages.  If set to INFO it will only show the output of the commands/scripts.

--
Greg Schueler

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[kyau]

Thanks Greg that helps,

I'm just trying to improve the performance of this RunDeck job, which takes about a minute and a half to run right now. Seeing if limiting the connections to the node might help.

Besides the echo commands, it's stopping and starting an Apache server and installing a RPM package on the server. Seems really slow for something this simple, so I'm trying to find out if there is any bottleneck.