#!/bin/bash
-## If the container being cloned has one or more lxc.hook.clone specified,
-## then the specified hooks will be called for the new container. The first
-## 3 arguments passed to the clone hook will be:
+## If the container being cloned has one or more lxc.hook.clone
+## specified, then the specified hooks will be called for the new
+## container. The arguments passed to the clone hook are:
## 1. the container name
## 2. a section ('lxc')
## 3. hook type ('clone')
## 4. .. additional arguments to lxc-clone
## Environment variables:
-## LXC_ROOTFS_MOUNT: path under which the container's root fs is mounted.
-## LXC_CONFIG_FILE: The configuration file pathname
-## LXC_SRC_NAME: old container name
-## LXC_ROOTFS_PATH: path or device on which the root fs is located
+## LXC_ROOTFS_MOUNT: path to the root filesystem
+## LXC_CONFIG_FILE: path to config file
+## LXC_SRC_NAME: old container name
+## LXC_ROOTFS_PATH: path or device on which the root fs is located
+set -f
VERBOSITY="0"
error() { echo "$@" 1>&2; }
-debug() { [ "$1" -ge "$VERBOSITY" ] || return; shift; error "$@"; }
+debug() { [ "$VERBOSITY" -ge "$1" ] || return 0; shift; error "$@"; }
fail() { [ $# -eq 0 ] || error "$@"; exit 1; }
prep_usage() {
[ -L | --nolocales ]: Do not copy host's locales into container
[ -S | --auth-key ]: ssh public key file for datasource [ds]
[ -u | --userdata ]: user-data file for cloud-init [ds]
+ [ -V | --vendordata ]: vendor-data file for cloud-init [ds]
EOF
}
prep() {
local short_opts="Chi:L:S:u:v"
- local long_opts="auth-key:,cloud,help,hostid:,name:,nolocales:,userdata:,verbose"
+ local long_opts="auth-key:,cloud,help,hostid:,name:,nolocales:,create-etc-init,userdata:,vendordata:,verbose"
local getopt_out getopt_ret
getopt_out=$(getopt --name "${0##*/}" \
--options "${short_opts}" --long "${long_opts}" -- "$@" 2>/dev/null) ||
fi
local cur="" next=""
- local userdata="" hostid="" authkey="" locales=1 cloud=0 name=""
+ local vendordata="" userdata="" hostid="" authkey="" locales=1 cloud=0
+ local create_etc_init=0 name="ubuntucloud-lxc"
+
while [ $# -ne 0 ]; do
cur="$1"; next="$2";
case "$cur" in
--name) name="$next";;
-i|--hostid) hostid="$next";;
-L|--nolocales) locales=0;;
+ --create-etc-init) create_etc_init=1;;
-S|--auth-key)
[ -f "$next" ] ||
{ error "--auth-key: '$next' not a file"; return 1; }
authkey="$next";;
+ -V|--vendordata)
+ [ -f "$next" ] ||
+ { error "--vendordata: '$next' not a file"; return 1; }
+ vendordata="$next";;
-u|--userdata)
[ -f "$next" ] ||
{ error "--userdata: '$next' not a file"; return 1; }
error "${0##*}: usage failed, continuing with defaults"
fi
+ [ "$create_etc_init" -eq 0 ] ||
+ echo "#upstart needs help for overlayfs (LP: #1213925)." > \
+ "$root_d/etc/init/.overlayfs-upstart-helper" ||
+ { error "failed to create /etc/init in overlay"; return 1; }
+
local seed_d=""
seed_d="$root_d/var/lib/cloud/seed/nocloud-net"
+
+ echo "$name" > "$root_d/etc/hostname" ||
+ { error "failed to write /etc/hostname"; return 1; }
+
if [ $cloud -eq 1 ]; then
debug 1 "--cloud provided, not modifying seed in '$seed_d'"
else
echo "instance-id: lxc-$hostid" > "$seed_d/meta-data" ||
{ error "failed to write to $seed_d/meta-data"; return 1; }
+ echo "local-hostname: $name" >> "$seed_d/meta-data" ||
+ { error "failed to write to $seed_d/meta-data"; return 1; }
+
if [ -n "$authkey" ]; then
{
echo "public-keys:" &&
MIRROR="http://archive.ubuntu.com/ubuntu"
fi
- {
+ if [ -n "$userdata" ]; then
+ cp "$userdata" "$seed_d/user-data"
+ else
+ {
local lc=$(locale | awk -F= '/LANG=/ {print $NF; }')
echo "#cloud-config"
echo "output: {all: '| tee -a /var/log/cloud-init-output.log'}"
[ -z "$LANG" ] || echo "locale: $LANG";
echo "password: ubuntu"
echo "chpasswd: { expire: false; }"
-
- } > "$seed_d/user-data"
+ } > "$seed_d/user-data"
+ fi
[ $? -eq 0 ] || {
error "failed to write user-data write to '$seed_d/user-data'";
return 1;
}
+
+ if [ -n "$vendordata" ]; then
+ cp "$vendordata" "$seed_d/vendor-data" || {
+ error "failed copy vendordata to $seed_d/vendor-data";
+ return 1;
+ }
+ fi
fi
}
local _LXC_HOOK
if [ -n "$LXC_ROOTFS_MOUNT" -a "$3" = "clone" ]; then
_LXC_HOOK="clone"
- local name="$1"
+ local name="$1" create_etc_init=""
shift 3
- debug 1 prep "--name=$name" "$LXC_ROOTFS_MOUNT" "$@"
- prep "--name=$name" "$LXC_ROOTFS_MOUNT" "$@"
+ # if mountpoint is overlayfs then add '--create-etc-init'
+ [ "${LXC_ROOTFS_PATH#overlayfs}" != "${LXC_ROOTFS_PATH}" ] &&
+ create_etc_init="--create-etc-init"
+ debug 1 prep "--name=$name" $create_etc_init "$LXC_ROOTFS_MOUNT" "$@"
+ prep "--name=$name" $create_etc_init "$LXC_ROOTFS_MOUNT" "$@"
else
_LXC_HOOK=""
prep "$@"
projects / mirror_lxc.git / blobdiff