forked from srieger/virl-utils-hs-fulda
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81 lines
3.2 KiB
81 lines
3.2 KiB
#!/bin/bash
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# create-cumulus-vx-image.sh V0.1
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# HS-Fulda - sebastian.rieger@informatik.hs-fulda.de
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# usage
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if [ ! $# -eq 2 ] ; then
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echo -e "usage: $0 <CumulusVX.qcow2> <new glance image name>, e.g.:\n"
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echo "$0 CumulusVX-2.5.3-f3df86c478e1a4ef.qcow2 CumulusVX"
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exit -1
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fi
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# sudo check
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if [ ! $UID -eq 0 ] ; then
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echo "Insufficient privileges. Please consider using sudo -s."
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exit -1
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fi
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CUMULUS_QCOW2=$1
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CUMULUS_QCOW2_BASENAME=$(basename -s .qcow2 $1)
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CUMULUS_PATCHED_QCOW2=$1-patched.qcow2
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GLANCE_IMAGE_NAME=$2
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GLANCE_IMAGE_RELEASE=$CUMULUS_QCOW2_BASENAME
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TMP_NAME="CumulusVX-$GLANCE_IMAGE_RELEASE"
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TIMESTAMP=$(date +%Y%m%d%H%M%S)
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echo
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echo "Creating CumulusVX image..."
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echo "==========================================================="
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qemu-img convert -O raw $CUMULUS_QCOW2 $CUMULUS_QCOW2_BASENAME.raw
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LOOPDEV=$(kpartx -av $CUMULUS_QCOW2_BASENAME.raw)
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LOOPDEV_PART1=$(echo "$LOOPDEV" | sed '1q;d' | cut -d " " -f 3)
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LOOPDEV_PART2=$(echo "$LOOPDEV" | sed '2q;d' | cut -d " " -f 3)
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mkdir cumulusvx-boot-$TIMESTAMP
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mkdir cumulusvx-root-$TIMESTAMP
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echo
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echo "Injecting changes to use serial console and startup script to get switch config..."
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echo "=================================================================================="
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mount /dev/mapper/$LOOPDEV_PART1 cumulusvx-boot-$TIMESTAMP
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mount /dev/mapper/$LOOPDEV_PART2 cumulusvx-root-$TIMESTAMP
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# changing grub and inittab to use a serial console on kernel command line
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sed -i.bak -e s/"linux \/bzImage root=\/dev\/sda2"/"linux \/bzImage root=\/dev\/sda2 console=ttyS0 console=tty0"/g cumulusvx-root-$TIMESTAMP/vbox_grub.cfg
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sed -i.bak -e s/"linux \/bzImage root=\/dev\/sda2"/"linux \/bzImage root=\/dev\/sda2 console=ttyS0 console=tty0"/g cumulusvx-boot-$TIMESTAMP/grub/grub.cfg
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sed -i.bak -e s/"# S0:3:respawn:\/sbin\/getty -L \$(get-cmdline-console) vt100"/"S0:3:respawn:\/sbin\/getty -L \$(get-cmdline-console) vt100"/g cumulusvx-root-$TIMESTAMP/etc/inittab
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sed -i.bak -e s/"^exit 0$"/""/g cumulusvx-root-$TIMESTAMP/etc/rc.local
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cat << EOF >> cumulusvx-root-$TIMESTAMP/etc/rc.local
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mkdir /virl-config
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mount /dev/sdb1 /virl-config
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chmod +x /virl-config/cumulusvx.sh
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/virl-config/cumulusvx.sh >/var/log/virl-startup.log
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EOF
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bash
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# inject script to handle dhcp for eth0 and import of config defined in VM Maestro (config-drive)
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umount cumulusvx-boot-$TIMESTAMP
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umount cumulusvx-root-$TIMESTAMP
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rm -rf cumulusvx-boot-$TIMESTAMP
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rm -rf cumulusvx-root-$TIMESTAMP
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kpartx -d $CUMULUS_QCOW2_BASENAME.raw
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echo
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echo "Saving CumulusVX image..."
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echo "==========================================================="
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qemu-img convert -O qcow2 $CUMULUS_QCOW2_BASENAME.raw $CUMULUS_PATCHED_QCOW2
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# use e1000 for now as with virtio we get dhcp errors due to "bad udp checksum" in Debian
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glance image-create --container-format bare --disk-format qcow2 --is-public true --name $GLANCE_IMAGE_NAME \
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--file $CUMULUS_PATCHED_QCOW2 --property hw_disk_bus=ide --property serial=1 \
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--property hw_vif_model=e1000 --property hw_cdrom_type=ide --property release="$GLANCE_IMAGE_RELEASE" --property subtype=CumulusVX --property config_disk_type=disk
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echo
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echo "Cleaning up..."
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echo "==========================================================="
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rm $CUMULUS_QCOW2_BASENAME.raw
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