Tool to use SSH protocol to copy and execute arbitrary scripts/commands on a list of machines in parallel
remote_copy_and_execute is a tool used to copy a script in batch to a set list of hosts, execute N at a time, and print the results.
It uses the SSH protocol (ssh and scp utilities) to perform the acts. This is useful for a multiude of purposes,
from running custom audit scripts to deployment scripts, activation and really any batch task.
remote_copy_and_execute –rcae-at-a-time=3 –rcae-as-user=www –rcae-skip-bad-hosts ./myScriptName – host1 host2 host3 host4 host5 host6 host7
The above command will copy and execute execute as “www” the script “myScriptName” on 3 hosts at a time, until all given hosts are completed or failed, and print results on completion.
remote_copy_and_execute –rcae-batch –rcae-as-user=myuser /home/myuser/scripts/audit – host1 host2 host3 host4
The above command will copy and execute execute “/home/myuser/scripts/audit” on all of the given hosts, as “myuser”, using common batch options.
Usage: remote_copy_and_execute [program] [args] (–) [hostname1] [hostnameN]
Copies a script and executes on multiple hosts simultaneously. Use “–” after the args and before the list of host names.
Script must be executable by the running user
--rcae-timeout=#seconds to use a timeout.
--rcae-omit-empty Omit printing empty results
--rcae-at-a-time=# Split application into given # chunks
--rcae-hide-date Do not show runtime date
--rcae-skip-bad-hosts Skip bad hosts. Default is to terminate.
--rcae-quiet Omit all output except that from the script. Implies hide-date
--rcae-as-user=username Perform copy and execute as given user. Default is root.
--rcae-print-on-host-complete Print right after each host completes execution. Default is to print at end of each set. Assumes rcae-hide-date.
- --rcae-batch Sets defaults [listed below]. Sane defaults for batch
executions. This directive is evaluated first, so you can override the ones that take a paramater.
—rcae-help Show this message
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