[lxc-devel] [PATCH 1/1] remove old lxc-create script.
Serge Hallyn
serge.hallyn at ubuntu.com
Fri Jul 12 19:08:48 UTC 2013
Signed-off-by: Serge Hallyn <serge.hallyn at ubuntu.com>
---
src/lxc/lxc-create.in | 415 --------------------------------------------------
1 file changed, 415 deletions(-)
delete mode 100644 src/lxc/lxc-create.in
diff --git a/src/lxc/lxc-create.in b/src/lxc/lxc-create.in
deleted file mode 100644
index 439ce51..0000000
--- a/src/lxc/lxc-create.in
+++ /dev/null
@@ -1,415 +0,0 @@
-#!/bin/sh
-
-#
-# lxc: linux Container library
-
-# Authors:
-# Daniel Lezcano <daniel.lezcano at free.fr>
-
-# This library is free software; you can redistribute it and/or
-# modify it under the terms of the GNU Lesser General Public
-# License as published by the Free Software Foundation; either
-# version 2.1 of the License, or (at your option) any later version.
-
-# This library is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# Lesser General Public License for more details.
-
-# You should have received a copy of the GNU Lesser General Public
-# License along with this library; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
-. @DATADIR@/lxc/lxc.functions
-
-verify_btrfs() {
- if which btrfs >/dev/null 2>&1 && \
- btrfs filesystem df "$lxc_path/" >/dev/null 2>&1; then
- echo "btrfs"
- else
- echo "no"
- fi
-}
-
-verify_zfs() {
- if which zfs >/dev/null 2>&1 && zfs get all "$zfsroot" >/dev/null 2>&1; then
- echo zfs
- else
- echo no
- fi
-}
-
-verify_lvm() {
- which vgscan > /dev/null 2>&1
- if [ $? -ne 0 ]; then
- echo "vgscan not found (is lvm2 installed?)" >&2
- echo no
- return
- fi
-
- grep -q "\<$fstype\>" /proc/filesystems
- if [ $? -ne 0 ]; then
- echo "$fstype is not listed in /proc/filesystems" >&2
- echo no
- return
- fi
-
- vgscan | grep -q "Found volume group \"$vgname\""
- if [ $? -ne 0 ]; then
- echo "could not find volume group \"$vgname\"" >&2
- echo no
- return
- fi
-
- echo lvm
-}
-
-# if no backingstore is specified, auto-detect if $lxc_path is btrfs or zfs
-detect_backingstore() {
- if [ `verify_btrfs` = "btrfs" ]; then
- echo btrfs
- elif [ `verify_zfs` = "zfs" ]; then
- echo zfs
- else
- echo none
- fi
-}
-
-usage() {
- echo "usage: $(basename $0) -n NAME [-f CONFIG_FILE] [-t TEMPLATE] [FS_OPTIONS] --" >&2
- echo " [-P lxcpath] [TEMPLATE_OPTIONS]" >&2
- echo >&2
- echo "where FS_OPTIONS is one of:" >&2
- echo " -B none" >&2
- echo " -B dir [--dir rootfs_dir]" >&2
- echo " -B lvm [--lvname LV_NAME] [--vgname VG_NAME] [--fstype FS_TYPE]" >&2
- echo " [--fssize FS_SIZE]" >&2
- echo " -B btrfs" >&2
- echo " -B zfs [--zfsroot PATH]" >&2
-}
-
-help() {
- usage
- echo >&2
- echo "Create a new container on the system." >&2
- echo >&2
- echo "Options:" >&2
- echo " -n NAME specify the name of the container" >&2
- echo " -f CONFIG_FILE use an existing configuration file" >&2
- echo " -t TEMPLATE use an accessible template script" >&2
- echo " -B BACKING_STORE alter the container backing store (default: none)" >&2
- echo " --lxcpath path specify an alternate container patch (default: $lxc_path)" >&2
- echo " --lvname LV_NAME specify the LVM logical volume name" >&2
- echo " (default: container name)" >&2
- echo " --dir ROOTFS_DIR specify path for custom rootfs directory location" >&2
- echo " --vgname VG_NAME specify the LVM volume group name (default: lxc)" >&2
- echo " --fstype FS_TYPE specify the filesystem type (default: ext4)" >&2
- echo " --fssize FS_SIZE specify the filesystem size (default: 500M)" >&2
- echo " --zfsroot PATH specify the zfs path for lxcpath (default: tank/lxc)" >&2
- echo >&2
- if [ -z "$lxc_template" ]; then
- echo "To see template-specific options, specify a template. For example:" >&2
- echo " $(basename $0) -t ubuntu -h" >&2
- exit 0
- fi
- if [ -x ${templatedir}/lxc-$lxc_template ]; then
- echo >&2
- echo "Template-specific options (TEMPLATE_OPTIONS):" >&2
- ${templatedir}/lxc-$lxc_template -h
- fi
-}
-
-usage_err() {
- [ -n "$1" ] && echo "$1" >&2
- usage
- exit 1
-}
-
-optarg_check() {
- if [ -z "$2" ]; then
- usage_err "option '$1' requires an argument"
- fi
-}
-
-backingstore=_unset
-fstype=ext4
-fssize=500M
-vgname=$lxc_vg
-zfsroot=$lxc_zfsroot
-custom_rootfs=""
-
-while [ $# -gt 0 ]; do
- opt="$1"
- shift
- case "$opt" in
- -h|--help)
- help
- exit 1
- ;;
- -n|--name)
- optarg_check $opt "$1"
- lxc_name=$1
- shift
- ;;
- -f|--config)
- optarg_check $opt "$1"
- lxc_config=$1
- shift
- ;;
- -P|--lxcpath)
- optarg_check $opt "$1"
- lxc_path=$1
- shift
- ;;
- -t|--template)
- optarg_check $opt "$1"
- lxc_template=$1
- shift
- ;;
- -B|--backingstore)
- optarg_check $opt "$1"
- backingstore=$1
- shift
- ;;
- --dir)
- optarg_check $opt "$1"
- custom_rootfs=$1
- shift
- ;;
- --lvname)
- optarg_check $opt "$1"
- lvname=$1
- shift
- ;;
- --vgname)
- optarg_check $opt "$1"
- vgname=$1
- shift
- ;;
- --fstype)
- optarg_check $opt "$1"
- fstype=$1
- shift
- ;;
- --fssize)
- optarg_check $opt "$1"
- fssize=$1
- shift
- ;;
- --zfsroot)
- optarg_check $opt "$1"
- zfsroot=$1
- shift
- ;;
- --)
- break;;
- -?)
- usage_err "unknown option '$opt'"
- ;;
- -*)
- # split opts -abc into -a -b -c
- set -- $(echo "${opt#-}" | sed 's/\(.\)/ -\1/g') "$@"
- ;;
- *)
- usage
- exit 1
- ;;
- esac
-done
-
-# If -h or --help was passed into the container, we'll want to cleanup
-# afterward
-wantedhelp=0
-for var in "$@"; do
- if [ "$var" = "-h" ] || [ "$var" = "--help" ]; then
- help
- exit 1
- fi
-done
-
-
-if [ -z "$lxc_path" ]; then
- echo "$(basename $0): no configuration path defined" >&2
- exit 1
-fi
-
-if [ ! -r $lxc_path ]; then
- echo "$(basename $0): configuration path '$lxc_path' not found" >&2
- exit 1
-fi
-
-if [ -z "$lxc_name" ]; then
- echo "$(basename $0): no container name specified" >&2
- usage
- exit 1
-fi
-
-if [ -z "$lvname" ]; then
- lvname="$lxc_name"
-fi
-
-if [ -z "$zfsroot" ]; then
- zfsroot="tank/lxc"
-fi
-
-if [ "$(id -u)" != "0" ]; then
- echo "$(basename $0): must be run as root" >&2
- exit 1
-fi
-
-if [ -n "$custom_rootfs" ] && [ "$backingstore" != "dir" ]; then
- echo "--dir is only valid with -B dir"
-fi
-
-# detect / verify backing store
-case "$backingstore" in
- btrfs)
- if [ `verify_btrfs` != 'btrfs' ]; then
- echo "missing 'btrfs' command or $lxc_path is not btrfs" >&2
- exit 1
- fi
- ;;
- zfs)
- if [ `verify_zfs` != 'zfs' ]; then
- echo "missing 'zfs' command or $zfsroot is not zfs" >&2
- exit 1
- fi
- ;;
- lvm)
- if [ `verify_lvm` != 'lvm' ]; then
- echo "system is missing 'lvm' support, or VG does not exist." >&2
- exit 1
- fi
- rootdev=/dev/$vgname/$lvname
- lvdisplay $rootdev > /dev/null 2>&1
- if [ $? -eq 0 ]; then
- echo "LV $rootdev already exists" >&2
- exit 1
- fi
- ;;
- _unset)
- backingstore=`detect_backingstore`
- ;;
- dir|lvm|none)
- :;;
- *)
- echo "$(basename $0): '$backingstore' is not known (try 'none', 'dir', 'lvm', 'btrfs', 'zfs')" >&2
- usage
- exit 1
- ;;
-esac
-
-if [ -d "$lxc_path/$lxc_name" ]; then
- echo "$(basename $0): '$lxc_name' already exists" >&2
- exit 1
-fi
-
-rootfs="$lxc_path/$lxc_name/rootfs"
-
-cleanup() {
- if [ "$backingstore" = "lvm" ]; then
- umount -l $rootfs || true
- lvremove -f $rootdev || true
- elif [ "$backingstore" = "btrfs" ]; then
- btrfs subvolume delete "$rootfs" || true
- elif [ "$backingstore" = "zfs" ]; then
- zfs destroy "$zfsroot/$lxc_name" || true
- fi
-
- ${bindir}/lxc-destroy -n $lxc_name -P "$lxc_path"
- echo "$(basename $0): aborted" >&2
- exit 1
-}
-
-trap cleanup HUP INT TERM
-
-# set up container dir per backing store
-if [ "$backingstore" = "zfs" ]; then
- zfs create -omountpoint=$lxc_path/$lxc_name/rootfs "$zfsroot/$lxc_name"
-elif [ "$backingstore" = "btrfs" ]; then
- mkdir "$lxc_path/$lxc_name"
- if ! out=$(btrfs subvolume create "$rootfs" 2>&1); then
- echo "$(basename $0): failed to create subvolume in $rootfs: $out" >&2
- exit 1;
- fi
-else
- mkdir -p $lxc_path/$lxc_name
-fi
-
-if [ -z "$lxc_config" ]; then
- lxc_config="@SYSCONFDIR@/lxc/default.conf"
- echo
- echo "$(basename $0): No config file specified, using the default config $lxc_config"
-fi
-
-if [ ! -r "$lxc_config" ]; then
- echo "$(basename $0): '$lxc_config' configuration file not found" >&2
- cleanup
-fi
-
-if [ ! -z "$lxc_template" ]; then
- # Allow for a path to be provided as the template name
- if [ -x "$lxc_template" -a $(echo "$lxc_template" | cut -c 1) = '/' ]; then
- template_path=$lxc_template
- else
- template_path=${templatedir}/lxc-$lxc_template
- fi
-
- if ! [ -x "$template_path" ]; then
- echo "$(basename $0): unknown template '$lxc_template'" >&2
- cleanup
- fi
-
- sum=$(sha1sum $template_path | cut -d ' ' -f1)
- echo "# Template used to create this container: $lxc_template" >> $lxc_path/$lxc_name/config
- if [ -n "$*" ]; then
- echo "# Parameters passed to the template: $*" >> $lxc_path/$lxc_name/config
- fi
- echo "# Template script checksum (SHA-1): $sum" >> $lxc_path/$lxc_name/config
- echo "" >> $lxc_path/$lxc_name/config
-fi
-
-cat $lxc_config >> $lxc_path/$lxc_name/config
-echo "" >> $lxc_path/$lxc_name/config
-
-if [ -n "$custom_rootfs" ]; then
- if grep -q "lxc.rootfs" $lxc_path/$lxc_name/config ; then
- echo "configuration file already specifies a lxc.rootfs"
- cleanup
- fi
- if [ -d "$custom_rootfs" ]; then
- echo "specified rootfs ($custom_rootfs) already exists. Bailing."
- cleanup
- fi
- echo "lxc.rootfs = $custom_rootfs" >> $lxc_path/$lxc_name/config
-fi
-
-# Create the fs as needed
-if [ "$backingstore" = "lvm" ]; then
- [ -d "$rootfs" ] || mkdir $rootfs
- lvcreate -L $fssize -n $lvname $vgname || cleanup
- udevadm settle
- mkfs -t $fstype $rootdev || cleanup
- mount -t $fstype $rootdev $rootfs
-fi
-
-if [ ! -z "$lxc_template" ]; then
- $template_path --path=$lxc_path/$lxc_name --name=$lxc_name "$@"
- if [ $? -ne 0 ]; then
- echo "$(basename $0): failed to execute template '$lxc_template'" >&2
- cleanup
- fi
-
- echo "'$lxc_template' template installed"
-fi
-
-if [ "$backingstore" = "lvm" ]; then
- echo "Unmounting LVM"
- umount $rootfs
-
- # TODO: make the templates set this right from the start?
- sed -i '/lxc.rootfs/d' $lxc_path/$lxc_name/config
- echo "lxc.rootfs = $rootdev" >> $lxc_path/$lxc_name/config
-fi
-
-echo "'$lxc_name' created"
--
1.8.3.2
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