[Ovirt-devel] [PATCH node] Added support for local storage configuration.
Darryl L. Pierce
dpierce at redhat.com
Mon Nov 17 20:49:47 UTC 2008
This patch wipes out the entire disk on the node and replaces it with
a set of partitions. The partitions are a raw partition to hold the bootable
kernel, and the rest of the disk is taken up as an physical volume.
On the physical volume is created the following logical volumes:
* SWAP - swap partition
* ROOT - to host the node image
* CONFIG - to hold node configuration data
* LOGGING - to hold local logs
* DATA - to hold VM images
If a kernel argument named OVIRT_VOL is present, then the firstboot script
will run ovirt-config-storage in non-interactive mode. Default values are used
unless environment variables override them.
Signed-off-by: Darryl L. Pierce <dpierce at redhat.com>
---
scripts/ovirt-config-storage | 200 ++++++++++++++++++++++++++++++++++++++++++
scripts/ovirt-firstboot | 6 +-
2 files changed, 205 insertions(+), 1 deletions(-)
diff --git a/scripts/ovirt-config-storage b/scripts/ovirt-config-storage
index c856ef1..04db5ea 100755
--- a/scripts/ovirt-config-storage
+++ b/scripts/ovirt-config-storage
@@ -1,2 +1,202 @@
#!/bin/bash
#
+# To automate the partitioning, pass in the specific fields in this order
+# ovirt-config-storage [swap size] [boot size] [root size] [logging size]
+#
+# All sizes are in megabytes
+#
+
+function init
+{
+ if [ -n "$OVIRT_BOOT_SIZE" ]; then BOOT_SIZE=$OVIRT_BOOT_SIZE; else BOOT_SIZE="256"; fi
+ if [ -n "$OVIRT_ROOT_SIZE" ]; then ROOT_SIZE=$OVIRT_ROOT_SIZE; else ROOT_SIZE="256"; fi
+ if [ -n "$OVIRT_CONFIG_SIZE" ]; then CONFIG_SIZE=$OVIRT_CONFIG_SIZE; else CONFIG_SIZE="5"; fi
+ if [ -n "$OVIRT_LOGGING_SIZE" ]; then LOGGING_SIZE=$OVIRT_LOGGING_SIZE; else LOGGING_SIZE="256"; fi
+ if [ -n "$OVIRT_DATA_SIZE" ]; then DATA_SIZE=$OVIRT_DATA_SIZE; fi
+
+ MEM_SIZE=$(virsh -c qemu:///system nodeinfo | awk '/Memory size/ { print $3 }')
+ MEM_SIZE=$(echo "scale=0; $MEM_SIZE / 1024" | bc -l)
+ SWAP_SIZE=$MEM_SIZE
+}
+
+function resolve_sizes
+{
+ DATA_SIZE=$(echo "scale=0; ($SPACE - $BOOT_SIZE - $SWAP_SIZE - $ROOT_SIZE - $CONFIG_SIZE - $LOGGING_SIZE)" | bc -l)
+}
+
+function configure
+{
+ DEVICES=$(for drive in `hal-find-by-capability --capability storage`; do
+ info=$(lshal -u $drive -s)
+ if [[ $info =~ "storage.drive_type = 'disk'" ]]; then
+ lshal -u $drive -s | awk ' /block.device/ {
+ match($0, "block.device = *'"'"'(.*)'"'"'", device)
+ printf "%s ", device[1]
+ }'
+ fi
+ done)
+
+ DEVICES="$DEVICES Abort"
+
+ select DEVICE in $DEVICES
+ do
+ case "$DEVICE" in
+ "Abort") return ;;
+ *)
+ DRIVE=$DEVICE
+ SPACE=$(for drive in `hal-find-by-capability --capability storage`; do
+ info=$(lshal -u $drive -s)
+ if [[ $info =~ $DRIVE ]]; then
+ lshal -u $drive -s | awk ' /storage.size/ {
+ match($0, "storage.size *= *([0-9]+)", device)
+ printf "%s", device[1]
+ }'
+ fi
+ done)
+
+ SPACE=$(echo "scale=0; $SPACE / (1024 * 1024)" | bc -l)
+
+ for i in swap boot root logging config; do
+ uc=$(echo $i|tr '[[:lower:]]' '[[:upper:]]')
+ var=${uc}_SIZE
+ eval "size=\$$var"
+ read -p "Change $i partition size (currently $size MB)? "
+ if [[ $REPLY =~ ^[0-9]+$ ]] && [[ $REPLY -gt 0 ]]; then
+ eval "$var=$REPLY"
+ else
+ printf "Invalid value for $i. Retaining $size MB.\n"
+ fi
+ done
+
+ resolve_sizes
+
+ return
+ ;;
+ esac
+ done
+}
+
+function review
+{
+ printf "\n"
+ if [ -n "$DRIVE" ]; then
+ printf "The local disk will be repartitioned as follows:\n"
+ printf "================================================\n"
+ printf " Physical Hard Disk: ${DRIVE}\n"
+ printf " Total storage available: ${SPACE} MB\n"
+ printf " Swap partition size: ${SWAP_SIZE} MB\n"
+ printf " Boot partition size: ${BOOT_SIZE} MB\n"
+ printf " Installation partition size: ${ROOT_SIZE} MB\n"
+ printf " Configuration partition size: ${CONFIG_SIZE} MB\n"
+ printf " Logging partition size: ${LOGGING_SIZE} MB\n"
+ printf " Data partition size: ${DATA_SIZE} MB\n"
+ printf "\n"
+ else
+ printf "No storage device selected.\n"
+ fi
+}
+
+function perform_partitioning
+{
+ printf "\n"
+ if [ -n "$DRIVE" ]; then
+ printf "Preparing local storage. Please wait..."
+
+ {
+ vgroups=$(vgdisplay -C | awk '{ print $1" "; }')
+ vgremove -f $vgroups
+
+ dd if=/dev/zero of=$DRIVE bs=1K count=1
+ blockdev --rereadpt $DRIVE
+ partprobe -s $DRIVE
+
+ parted $DRIVE -s "mklabel gpt"
+ parted $DRIVE -s "mkpart primary ext2 0M ${BOOT_SIZE}M"
+ parted $DRIVE -s "mkpart primary ext2 ${BOOT_SIZE}M ${SPACE}M"
+ parted $DRIVE -s "set 2 lvm on"
+
+ pvcreate "$DRIVE"2
+ pvck
+ vgcreate /dev/HostVG "$DRIVE"2
+
+ lvcreate --name Swap --size ${SWAP_SIZE}M /dev/HostVG
+ lvcreate --name Root --size ${ROOT_SIZE}M /dev/HostVG
+ lvcreate --name Config --size ${CONFIG_SIZE}M /dev/HostVG
+ lvcreate --name Logging --size ${LOGGING_SIZE}M /dev/HostVG
+ lvcreate --name Data -l 100%FREE /dev/HostVG
+
+ mke2fs -j -T ext3 "$DRIVE"1 -L "BOOT"
+ tune2fs -c 0 -i 0 "$DRIVE"1
+ mkswap /dev/HostVG/Swap
+ mke2fs -j -T ext3 /dev/HostVG/Root -L "ROOT"
+ tune2fs -c 0 -i 0 /dev/HostVG/Root
+ mke2fs -j -T ext3 /dev/HostVG/Config -L "CONFIG"
+ tune2fs -c 0 -i 0 /dev/HostVG/Config
+ mke2fs -j -T ext3 /dev/HostVG/Logging -L "LOGGING"
+ tune2fs -c 0 -i 0 /dev/HostVG/Logging
+ mke2fs -j -T ext3 /dev/HostVG/Data -L "DATA"
+ tune2fs -c 0 -i 0 /dev/HostVG/Data
+ } > /var/log/ovirt-partition.log 2>&1
+
+ printf "Completed!\n\n"
+ else
+ printf "No storage device selected.\n"
+ fi
+}
+
+function confirm
+{
+ printf "\n"
+ if [ -n "$DRIVE" ]; then
+ while true; do
+ printf "!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!\n"
+ printf "!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!\n"
+ printf "!!WARNING!! !!WARNING!!\n"
+ printf "!!WARNING!! !!WARNING!!\n"
+ printf "!!WARNING!! If you proceed this will destroy all data on your local system, and !!WARNING!!\n"
+ printf "!!WARNING!! your hard disk will be irreversably reconfiguration. !!WARNING!!\n"
+ printf "!!WARNING!! !!WARNING!!\n"
+ printf "!!WARNING!! !!WARNING!!\n"
+ printf "!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!\n"
+ printf "!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!WARNING!!\n"
+ printf "\n"
+ printf "\tContinue? (Y/n) "
+ read
+ case $REPLY in
+ Y|y)
+ perform_partitioning; break ;;
+ N|n) return ;;
+ esac
+ done
+ else
+ printf "No storage device selected!\n"
+ fi
+}
+
+init
+
+if [ "$1" == "AUTO" ]; then
+ DRIVE=$OVIRT_VOL
+ perform_partitioning
+ printf "[DONE]\n"
+ exit 0
+else
+ while true; do
+ resolve_sizes
+
+ OPTIONS="Configure Review Partition Quit"
+ PS3="Choose an option: "
+
+ printf "\n"
+
+ select OPTION in $OPTIONS
+ do
+ case "$OPTION" in
+ "Configure") configure ; break ;;
+ "Review") review ; break ;;
+ "Partition") confirm ; break ;;
+ "Quit") exit ;;
+ esac
+ done
+ done
+fi
diff --git a/scripts/ovirt-firstboot b/scripts/ovirt-firstboot
index 82d9e48..70a88f1 100755
--- a/scripts/ovirt-firstboot
+++ b/scripts/ovirt-firstboot
@@ -29,6 +29,11 @@
start ()
{
+ if [ -n "$OVIRT_VOL" ]; then
+ INTERACTIVE="N"
+ ovirt-config-storage AUTO
+ fi
+
ovirt-config-setup
}
@@ -52,4 +57,3 @@ case "$1" in
echo "Usage: ovirt-firstboot {start}"
exit 2
esac
-
--
1.5.6.5
More information about the ovirt-devel
mailing list