# (only if override_remote_transport is 'ssh')
override_remote_directory=
-# list of devices to send, separated by spaces, if empty ask user
+# list of local physical devices to examine, separated by spaces,
+# if empty ask user.
# this is usually a list of whole disk devices (eg. "sda")
-override_devices_to_send=""
+override_physical_devices=""
+
+# list of filesystems to send (eg. "sda1 sda2 VolGroup00/LogVol00")
+override_filesystems_to_send=""
# list of root filesystems to examine (eg. "sda3" or
# "VolGroup00/LogVol00")
override_root_filesystems=""
+# network configuration
+# - if empty, ask user
+# - if contains a filesystem name (eg. "VolGroup00/LogVol00") try to
+# auto-configure network from that
+# (XXX needs to contain more ways to override in future)
+override_network=""
+
#----------------------------------------------------------------------
# Logging.
# Example:
# snapshot sda1 snap
# creates a snapshot of /dev/sda1 called /dev/mapper/snap
-
-
-# XXX Error checking.
function snapshot {
local dev=$1 name=$2
dmsetup create ${name}_org \
--table="0 $sectors snapshot-origin /dev/$dev"
+ if [ $? -ne 0 ]; then exit 1; fi
dmsetup create $name \
--table="0 $sectors snapshot /dev/mapper/${name}_org /dev/ram1 n 64"
+ if [ $? -ne 0 ]; then exit 1; fi
}
# Drop an existing snapshot created by snapshot function.
}
#----------------------------------------------------------------------
+# Network configuration functions.
+
+# `auto_network $fs' mounts /dev/$fs read-only on /mnt/root and then
+# tries to configure the network from it. Returns true or false.
+function auto_network {
+ if ! mount -o ro /dev/$1 /mnt; then return 1; fi
+
+ pushd /etc/sysconfig
+
+ mv network network.saved
+ mv networking networking.saved
+ mv network-scripts network-scripts.saved
+
+ ln -s /mnt/etc/sysconfig/network
+ ln -s /mnt/etc/sysconfig/networking
+ ln -s /mnt/etc/sysconfig/network-scripts
+
+ /etc/init.d/network start
+ local status=$?
+
+ rm network networking network-scripts
+ mv network.saved network
+ mv networking.saved networking
+ mv network-scripts.saved network-scripts
+ umount /mnt
+
+ if [ "$greeting" != "no" ]; then
+ echo "Did automatic network configuration work?"
+ echo "(Hint: if not sure, there is a shell on console [ALT] [F2])"
+ echo -n " (y/n) "
+ local line
+ read line
+ if [ "$line" = "y" -o "$line" = "yes" ]; then return 0; fi
+ return 1
+ fi
+
+ # In non-interactive mode, return the status of /etc/init.d/network.
+ return $status
+}
+
+
+#----------------------------------------------------------------------
# General script setup.
# We can safely write files into /tmp without modifying anything.
fi
fi
;;
+
+ # Block devices configuration.
devices)
- if [ -n "$override_devices_to_send" ]; then
- devices_to_send="$override_devices_to_send"
- state=roots
+ if [ -n "$override_physical_devices" ]; then
+ physical_devices="$override_physical_devices"
+ state=filesystems
else
- # Returns the list of possible devices in $devices
+ # Returns the list of physical devices in $devices
search_devices
log devices returned by search_devices: $devices
deviceslist=""
for d in $devices; do
- if word_in_list $d $devices_to_send; then
+ if word_in_list $d $physical_devices; then
stat=on
else
stat=off
fi
- deviceslist="$deviceslist $d /dev/$d $stat"
+ gigs=$(($(blockdev --getsize /dev/$d)/2/1024/1024))
+ deviceslist="$deviceslist $d /dev/$d(${gigs}GB) $stat"
done
dialog \
--extra-button --extra-label "Back" --nocancel \
--single-quoted \
- --checklist "Pick which local disk images to send" 10 50 5 \
+ --checklist "Pick local disks to examine" 15 50 8 \
$deviceslist \
2> line
if [ $? -eq 3 ]; then state=directory
else
- devices_to_send=`cat line`
+ physical_devices=`cat line`
+ state=filesystems
+ fi
+ fi
+ ;;
+ filesystems)
+ if [ -n "$override_filesystems_to_send" ]; then
+ filesystems_to_send="$override_filesystems_to_send"
+ state=roots
+ else
+ # Returns the list of possible partitions / LVs in $parts
+ search_parts $physical_devices
+
+ log partitions returned by search_parts: $parts
+
+ partslist=""
+ for p in $parts; do
+ if word_in_list $p $filesystems_to_send; then
+ stat=on
+ else
+ stat=off
+ fi
+ gigs=$(($(blockdev --getsize /dev/$p)/2/1024/1024))
+ partslist="$partslist $p /dev/$p(${gigs}GB) $stat"
+ done
+
+ dialog \
+ --extra-button --extra-label "Back" --nocancel \
+ --single-quoted \
+ --checklist "Pick filesystems to send" 15 70 8 \
+ $partslist \
+ 2> line
+ if [ $? -eq 3 ]; then state=devices
+ else
+ filesystems_to_send=`cat line`
state=roots
- log user selected devices_to_send = $devices_to_send
fi
fi
;;
roots)
if [ -n "$override_root_filesystems" ]; then
root_filesystems="$override_root_filesystems"
- state=verify
+ state=network
else
- # Returns the list of possible partitions / LVs in $parts
- search_parts $devices_to_send
-
- log filesystems returned by search_parts: $parts
+ partslist=""
+ for r in $filesystems_to_send; do
+ if word_in_list $r $root_filesystems; then
+ stat=on
+ else
+ stat=off
+ fi
+ partslist="$partslist $r /dev/$r $stat"
+ done
- if [ -z "$parts" ]; then
- root_filesystems=""
- state=verify
+ dialog \
+ --extra-button --extra-label "Back" --nocancel \
+ --single-quoted \
+ --checklist "Pick partition(s) containing a root (/) filesystem" 10 70 5 \
+ $partslist \
+ 2> line
+ if [ $? -eq 3 ]; then state=filesystems
else
- partslist=""
- for r in $parts; do
- if word_in_list $r $root_filesystems; then
- stat=on
- else
- stat=off
- fi
- partslist="$partslist $r /dev/$r $stat"
- done
-
- dialog \
- --extra-button --extra-label "Back" --nocancel \
- --single-quoted \
- --checklist "Pick partition(s) containing root (/) filesystem" 10 70 5 \
- $partslist \
- 2> line
- if [ $? -eq 3 ]; then state=devices
+ root_filesystems=`cat line`
+ state=network
+ fi
+ fi
+ ;;
+
+ # Network configuration.
+ network)
+ if [ -n "$override_network" ]; then
+ network="$override_network"
+ state=verify
+ else
+ partslist=""
+ for r in $root_filesystems; do
+ if [ "$r" = "$network" ]; then
+ stat=on
else
- root_filesystems=`cat line`
- state=verify
- log user selected root_filesystems = $root_filesystems
+ stat=off
fi
+ partslist="$partslist $r Auto-configure $stat"
+ done
+
+ dialog \
+ --extra-button --extra-label "Back" --nocancel \
+ --radiolist "Network configuration" 10 70 5 \
+ $partslist \
+ "ask" "Manual configuration" off \
+ "sh" "Configure from the shell" off \
+ 2> line
+ if [ $? -eq 3 ]; then state=roots
+ else
+ network=`cat line`
+ state=verify
fi
fi
;;
+
+ # Verify configuration.
verify)
if [ "$greeting" = "no" ]; then
state=exit
else
dialog \
--title "Summary" \
- --yesno "Transport: $remote_transport\nRemote host: $remote_host\nRemote port: $remote_port\nRemote directory (ssh only): $remote_directory\nDisks to send: $devices\nRoot filesystem(s): $root_filesystems\n\nProceed with these settings?" \
+ --yesno "Transport: $remote_transport\nRemote host: $remote_host\nRemote port: $remote_port\nRemote directory (ssh only): $remote_directory\nFilesystems to send: $filesystems_to_send\nRoot filesystem(s): $root_filesystems\nNetwork configuration: $network\n\nProceed with these settings?" \
23 70
if [ $? -eq 1 ]; then
state=transport
clear
+# Now see if we can get a network configuration.
+log network configuration $network
+
+case "$network" in
+ sh)
+ echo "Network configuration"
+ echo
+ echo "Please configure the network from this shell."
+ echo
+ echo "You can modify any file under /etc (especially /etc/sysconfig)."
+ echo "No changes are made to the system disks unless you mount them"
+ echo "and explicitly modify them."
+ echo
+ echo "When finished, exit with ^D or exit"
+ echo
+ bash
+ ;;
+
+ ask)
+ # XXX Not implemented
+ echo "Sorry, we didn't implement this one yet."
+ bash
+ ;;
+
+ *)
+ echo "Trying to auto-configure network from /dev/$network ..."
+ echo
+ if ! auto_network "$network"; then
+ echo "Auto-configuration failed. Starting a shell."
+ echo
+ bash
+ fi
+esac
+
# Mount the root filesystem(s) using device-mapper snapshots.
-# For example, if asked to examine VolGroup00/LogVol00, then
-# we might find that it is located on physical device sda, and
-# the snapshot in that case will be called sda_snap.
+# The snapshots are called snap0, snap1, etc. with the number
+# corresponding to its index in $root_filesystems array.
+
+
+
+
+
git.annexia.org / virt-p2v.git / commitdiff