From ca95830725cbcb798676dc34ada8cd11bb1b2ce6 Mon Sep 17 00:00:00 2001 From: Sebastian Rieger Date: Mon, 14 Sep 2015 21:39:54 +0200 Subject: [PATCH] initial version of create-cumulus-vx-image.sh --- .../create-cumulus-vx-image.sh | 81 +++++++++++++++++++ .../dynamic-subtype-CumulusVX.json | 21 +++++ .../minimal-config-CumulusVX.txt | 5 ++ 3 files changed, 107 insertions(+) create mode 100644 create-cumulusvx-image/create-cumulus-vx-image.sh create mode 100644 create-cumulusvx-image/dynamic-subtype-CumulusVX.json create mode 100644 create-cumulusvx-image/minimal-config-CumulusVX.txt diff --git a/create-cumulusvx-image/create-cumulus-vx-image.sh b/create-cumulusvx-image/create-cumulus-vx-image.sh new file mode 100644 index 0000000..d620007 --- /dev/null +++ b/create-cumulusvx-image/create-cumulus-vx-image.sh @@ -0,0 +1,81 @@ +#!/bin/bash +# create-cumulus-vx-image.sh V0.1 +# HS-Fulda - sebastian.rieger@informatik.hs-fulda.de + +# usage +if [ ! $# -eq 2 ] ; then + echo -e "usage: $0 , e.g.:\n" + echo "$0 CumulusVX-2.5.3-f3df86c478e1a4ef.qcow2 CumulusVX" + exit -1 +fi + +# sudo check +if [ ! $UID -eq 0 ] ; then + echo "Insufficient privileges. Please consider using sudo -s." + exit -1 +fi + +CUMULUS_QCOW2=$1 +CUMULUS_QCOW2_BASENAME=$(basename -s .qcow2 $1) +CUMULUS_PATCHED_QCOW2=$1-patched.qcow2 +GLANCE_IMAGE_NAME=$2 +GLANCE_IMAGE_RELEASE=$CUMULUS_QCOW2_BASENAME +TMP_NAME="CumulusVX-$GLANCE_IMAGE_RELEASE" +TIMESTAMP=$(date +%Y%m%d%H%M%S) + +echo +echo "Creating CumulusVX image..." +echo "===========================================================" + +qemu-img convert -O raw $CUMULUS_QCOW2 $CUMULUS_QCOW2_BASENAME.raw +LOOPDEV=$(kpartx -av $CUMULUS_QCOW2_BASENAME.raw) +LOOPDEV_PART1=$(echo "$LOOPDEV" | sed '1q;d' | cut -d " " -f 3) +LOOPDEV_PART2=$(echo "$LOOPDEV" | sed '2q;d' | cut -d " " -f 3) + +mkdir cumulusvx-boot-$TIMESTAMP +mkdir cumulusvx-root-$TIMESTAMP + +echo +echo "Injecting changes to use serial console and startup script to get switch config..." +echo "==================================================================================" + +mount /dev/mapper/$LOOPDEV_PART1 cumulusvx-boot-$TIMESTAMP +mount /dev/mapper/$LOOPDEV_PART2 cumulusvx-root-$TIMESTAMP +# changing grub and inittab to use a serial console on kernel command line +sed -i.bak -e s/"linux \/bzImage root=\/dev\/sda2"/"linux \/bzImage root=\/dev\/sda2 console=ttyS0 console=tty0"/g cumulusvx-root-$TIMESTAMP/vbox_grub.cfg +sed -i.bak -e s/"linux \/bzImage root=\/dev\/sda2"/"linux \/bzImage root=\/dev\/sda2 console=ttyS0 console=tty0"/g cumulusvx-boot-$TIMESTAMP/grub/grub.cfg +sed -i.bak -e s/"# S0:3:respawn:\/sbin\/getty -L \$(get-cmdline-console) vt100"/"S0:3:respawn:\/sbin\/getty -L \$(get-cmdline-console) vt100"/g cumulusvx-root-$TIMESTAMP/etc/inittab +sed -i.bak -e s/"^exit 0$"/""/g cumulusvx-root-$TIMESTAMP/etc/rc.local +cat << EOF >> cumulusvx-root-$TIMESTAMP/etc/rc.local +mkdir /virl-config +mount /dev/sdb1 /virl-config +chmod +x /virl-config/cumulusvx.sh +/virl-config/cumulusvx.sh >/var/log/virl-startup.log +EOF + +bash + +# inject script to handle dhcp for eth0 and import of config defined in VM Maestro (config-drive) + +umount cumulusvx-boot-$TIMESTAMP +umount cumulusvx-root-$TIMESTAMP +rm -rf cumulusvx-boot-$TIMESTAMP +rm -rf cumulusvx-root-$TIMESTAMP +kpartx -d $CUMULUS_QCOW2_BASENAME.raw + +echo +echo "Saving CumulusVX image..." +echo "===========================================================" + +qemu-img convert -O qcow2 $CUMULUS_QCOW2_BASENAME.raw $CUMULUS_PATCHED_QCOW2 + +# use e1000 for now as with virtio we get dhcp errors due to "bad udp checksum" in Debian +glance image-create --container-format bare --disk-format qcow2 --is-public true --name $GLANCE_IMAGE_NAME \ + --file $CUMULUS_PATCHED_QCOW2 --property hw_disk_bus=ide --property serial=1 \ + --property hw_vif_model=e1000 --property hw_cdrom_type=ide --property release="$GLANCE_IMAGE_RELEASE" --property subtype=CumulusVX --property config_disk_type=disk + +echo +echo "Cleaning up..." +echo "===========================================================" + +rm $CUMULUS_QCOW2_BASENAME.raw diff --git a/create-cumulusvx-image/dynamic-subtype-CumulusVX.json b/create-cumulusvx-image/dynamic-subtype-CumulusVX.json new file mode 100644 index 0000000..3155bdb --- /dev/null +++ b/create-cumulusvx-image/dynamic-subtype-CumulusVX.json @@ -0,0 +1,21 @@ +{ + "dynamic-subtypes": [ + { + "config_disk_type": "disk", + "interface_pattern": "swp{0}", + "interface_first": 1, + "interface_range": 25, + "interface_management": "eth0", + "baseline_flavor": "CumulusVX.small", + "baseline_image": "CumulusVX", + "gui_icon": "iosvl2", + "config_file": "/cumulusvx.sh", + "gui_visible": true, + "plugin_base": "generic", + "plugin_name": "CumulusVX", + "plugin_desc": "CumulusVX", + "hw_vm_extra": "", + "cli_serial": 1 + } + ] +} \ No newline at end of file diff --git a/create-cumulusvx-image/minimal-config-CumulusVX.txt b/create-cumulusvx-image/minimal-config-CumulusVX.txt new file mode 100644 index 0000000..0dc4f2c --- /dev/null +++ b/create-cumulusvx-image/minimal-config-CumulusVX.txt @@ -0,0 +1,5 @@ +#!/bin/bash +touch /tmp/cumulusvx-config +useradd -m cisco -s /bin/bash +echo "cisco:cisco" | chpasswd +addgroup cisco sudo