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59 lines
1.8 KiB
59 lines
1.8 KiB
#!/usr/bin/env bash
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# SmartOS platform image updater for netboot environments | tamas@gerczei.eu
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ME=$(basename ${0%.sh})
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DESTDIR="/var/tmp/"
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LOCATION="us-east"
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FILENAME="platform-latest.tgz"
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TFTPROOT="/var/lib/tftpboot"
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URL="https://${LOCATION}.manta.joyent.com/Joyent_Dev/public/SmartOS/${FILENAME}"
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REPLY=$(curl ${URL} -z ${DESTDIR:-/var/tmp}/${FILENAME} -o ${DESTDIR:-/var/tmp}/${FILENAME} -s -L -w %{http_code} -C - 2>/dev/null)
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case $REPLY in
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200)
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# OK, new image downloaded
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# extract it
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tar xf ${DESTDIR:-/var/tmp}/${FILENAME} -C ${TFTPROOT}/smartos --transform 's!^platform-!!' 2>/dev/null
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if [ $? -ne 0 ]
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then
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# failed to extract, force the process to repeat next time and bail out
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rm ${DESTDIR:-/var/tmp}/${FILENAME}
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exit 1
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fi
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# determine which one it is
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shopt -s extglob
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LASTDIR="$(ls -dt ${TFTPROOT}/smartos/+([0-9])T+([0-9])Z | head -1)"
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# re-organize it slightly
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mkdir ${LASTDIR}/platform
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mv ${LASTDIR}/i86pc ${LASTDIR}/platform
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# set ownership
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chown -R tftp:tftp ${LASTDIR}
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# generate iPXE configuration
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TODAY="$(date '+%d%m%y')"
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if [ -f ${TFTPROOT}/smartos.ipxe ]
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then
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# secure a copy of the previous configuration file
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cp ${TFTPROOT}/smartos.ipxe ${TFTPROOT}/smartos.ipxe.${TODAY}
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fi
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sed -e "s/\$release/$(basename ${LASTDIR})/g" < ${TFTPROOT}/smartos.ipxe.tpl > ${TFTPROOT}/smartos.ipxe
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# housekeeping and logging
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logger -t $ME -p user.debug created ${LASTDIR} and ${TFTPROOT}/smartos.ipxe
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logger -t $ME -p user.debug removed $(find ${TFTPROOT}/smartos -maxdepth 1 -type d -mtime +${KEEPDAYS:-28} -printf '%f ' -exec rm -r {} \;)
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;;
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304)
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# NOT MODIFIED, no update
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;;
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*)
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# WTF
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echo "server returned $REPLY, I cannot handle that"
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exit 1
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;;
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esac
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exit 0
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