[et-mgmt-tools] Cobbler reposync cron script

[Michael DeHaan]

Adrian Revill wrote:
> Just in case anyone needs a script to run cobbler reposync from cron, 
> here is one i have written. It runs each repo in turn, and gives each 
> a number of tries (10) to over come problems with failing syncs.
>
> #!/bin/bash
>
> TRIES=10 # number of times to try and run reposync
> LOGFILE="/var/log/cobbler/cobbler_reposync.log"
>
> function running {
>        PID=$(ps ax| awk '/cobbler reposync/ && !/awk/ {print ($1)}')
>        if [ -z $PID ]
>        then
>                log "cobbler reposync is not running"
>                return 1
>        fi
>        log "cobbler reposync is running PID=$PID"
>        return 0
> }
>
> function log {
>        logger -t "COBBLER_REPOSYNC" -- $1
> }
>
> function run {
>        try=1
>        ret=1
>        while [ $try -le $TRIES ]
>        do
>                running
>                ok=$?
>                if [ $ok -eq 0 ]
>                then
>                        log "Already running, aborting"
>                        break
>                fi
>                log "Attempt $try for $1"
>                cobbler reposync --only=$1 2>&1 >> $LOGFILE
>                ret=$?
>                if [ $ret -eq 0 ]
>                then
>                        break
>                fi
>                log "Attempt $try failed"
>                try=$[ $try + 1 ]
>        done
>        if [ $ret -eq 0 ]
>        then
>                log "Compleated $1"
>        else
>                log "Too many trys or already running, giving up on $1"
>
>        fi
> }
>
> log "Starting"
> mv $LOGFILE $LOGFILE.1
>
> for name in $(awk '/name:/ {print($2)}' /var/lib/cobbler/repos)
> do
>        run $name
> done
>
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Nice!  Do you mind if I put this in a 'contrib' directory in cobbler's 
version control so other people can find it later?

We can mention this on the Wiki too.

One small change I'd make is to make the last awk line run 'cobbler repo 
list' instead of grepping the file, that way
it works regardless of the storage backend -- though everyone pretty 
much uses the stock one.

--Michael