#!/bin/ksh
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# olbohlen, 2016-10-27
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# this is a script that mirrors existing IPS/pkg5 repositories to local copy
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# it handles automatic zfs cloning, so we can update our local copies without
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# disrupting our own package service
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log_msg() {
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# log messages to a file for later review, also write to stdout
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typeset my_tstamp
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typeset my_logfile
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typeset my_level
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typeset my_msg
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my_level="$1"
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my_msg="$2"
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my_tstamp=$(date "+%b %e %H:%M:%S")
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my_logfile=/var/log/pkg5mirror.log
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printf "%s %s %s: %s\n" "${my_tstamp}" "$(uname -n)" "${my_level}" "${my_msg}" >>"${my_logfile}"
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}
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http_proxy=http://btchttp.btc-ag.com:8080
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https_proxy=http://btchttp.btc-ag.com:8080
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export http_proxy https_proxy
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## main ##
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typeset repofs
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typeset publisher
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typeset smfid
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typeset snaptag
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typeset cmd_out
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typeset pkgrecvout
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typeset pkgorigin
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typeset counter
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publisher=$1
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pkgorigin=$2
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smfid=svc:/application/pkg/server:${publisher}
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svcs -- ${smfid} >/dev/null 2>&1
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if [ $? -gt 0 ]; then
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log_msg ERROR "service ${smfid} unknown"
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exit 1
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fi
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repofs=$(/usr/sbin/svccfg -s ${smfid} listprop pkg/inst_root | nawk '{print $3}')
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repods=$(df -k ${repofs} | nawk '$0~/\// { print $1 }')
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snaptag=@pkg5mirror-$(date +"%Y-%m-%d_%H-%M-%S")
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pkgrecvout=/tmp/pkgrecv.out
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counter=0
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log_msg INFO "starting pkg5mirror for ${publisher}"
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# find old snapshots and destroy them
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for snap in $(/usr/sbin/zfs list -t snapshot -H -o name -r ${repods} | egrep "@pkg5mirror-"); do
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log_msg INFO "deleting old snapshot ${snap}"
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cmd_out=$( /usr/sbin/zfs destroy ${snap} 2>&1 )
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if [ $? -gt 0 ]; then
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log_msg ERROR "zfs destroy ${snap} has returned an error: ${cmd_out}"
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fi
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done
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# now snapshot original repofs
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log_msg INFO "creating snapshot ${repods}${snaptag}"
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cmd_out=$( /usr/sbin/zfs snapshot ${repods}${snaptag} 2>&1 )
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if [ $? -gt 0 ]; then
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log_msg ERROR "zfs snapshot ${repods}${snaptag} returned an error: ${cmd_out}"
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exit 1
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fi
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# now clone our snap
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log_msg INFO "cloning zfs ${repods}${snaptag} to ${repods}-clone"
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cmd_out=$( /usr/sbin/zfs clone ${repods}${snaptag} ${repods}-clone 2>&1 )
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if [ $? -gt 0 ]; then
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log_msg ERROR "zfs clone ${repods}${snaptag} ${repods}-clone returned an error: ${cmd_out}"
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exit 1
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fi
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# at this point we will receive updates to the repository
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log_msg INFO "now starting pkgrecv --clone for ${publisher}"
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pkgrecv -p ${publisher} -s ${pkgorigin} -d file://${repofs}-clone --clone >${pkgrecvout} 2>&1
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if [ $? -gt 0 ]; then
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log_msg ERROR "pkgrecv -p ${publisher} -s ${pkgorigin} -d file://${repofs}-clone --clone returned an error"
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exit 1
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fi
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# now refresh the cloned and updated repo
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log_msg INFO "refreshing file://${repofs}-clone"
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cmd_out=$( pkgrepo refresh -s file://${repofs}-clone 2>&1 )
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if [ $? -gt 0 ]; then
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log_msg ERROR "pkgrepo refresh -s file://${repofs}-clone returned an error: ${cmd_out}"
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exit 1
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fi
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# promote the clone, so we can delete the original fs
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log_msg INFO "promoting ${repods}-clone"
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cmd_out=$( /usr/sbin/zfs promote ${repods}-clone 2>&1 )
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if [ $? -gt 0 ]; then
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log_msg ERROR "zfs promote ${repods}-clone returned an error: ${cmd_out}"
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exit 1
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fi
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# now stop pkg instance
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log_msg INFO "disabling ${smfid}"
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cmd_out=$( sudo /usr/sbin/svcadm disable ${smfid} 2>&1 )
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if [ $? -gt 0 ]; then
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log_msg ERROR "unable to disable ${smfid}: ${cmd_out}"
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exit 1
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fi
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# wait till service is stopped
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while [ x$(svcs -H -o state ${smfid} 2>/dev/null) != xdisabled ] ; do
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if [ ${counter} -lt 8 ]; then
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sleep $(( 2**${counter} ))
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else
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log_msg ERROR "unable to stop ${smfid} within 255seconds, exiting"
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exit 1
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fi
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counter=$(( ${counter} + 1 ))
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done
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# delete our origin fs
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log_msg INFO "deleting origin ds ${repods}"
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cmd_out=$( /usr/sbin/zfs destroy ${repods} 2>&1 )
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if [ $? -gt 0 ]; then
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log_msg ERROR "zfs destroy of origin ds failed: ${cmd_out}"
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exit 1
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fi
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# now rename our clone to original fs
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log_msg INFO "renaming clone to origin fs"
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cmd_out=$( /usr/sbin/zfs rename ${repods}-clone ${repods} 2>&1 )
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if [ $? -gt 0 ]; then
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log_msg ERROR "zfs rename failed: ${cmd_out}"
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exit 1
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fi
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# now stop pkg instance
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cmd_out=$( sudo /usr/sbin/svcadm enable ${smfid} 2>&1 )
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if [ $? -gt 0 ]; then
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log_msg ERROR "unable to enable ${smfid}: ${cmd_out}"
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exit 1
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fi
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# write finish notice
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log_msg INFO "job complete"
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