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authorFrancesco Colista <francesco.colista@gmail.com>2011-05-20 09:21:59 +0000
committerFrancesco Colista <francesco.colista@gmail.com>2011-05-20 09:26:44 +0000
commitb4cf1b3b9b0e5c76ebf32ae960874ae355f0d61b (patch)
tree4649e8f0c669e643156c142be800d74985e70540 /testing
parent50cea472bf3fcc959bb84a2ab448cb42a400d5da (diff)
downloadaports-b4cf1b3b9b0e5c76ebf32ae960874ae355f0d61b.tar.bz2
aports-b4cf1b3b9b0e5c76ebf32ae960874ae355f0d61b.tar.xz
testing/lxc: bump pkgrel added setup-lxc-template and setup-lxc-guest scripts
Diffstat (limited to 'testing')
-rw-r--r--testing/lxc/APKBUILD13
-rwxr-xr-xtesting/lxc/setup-lxc-guest282
-rwxr-xr-xtesting/lxc/setup-lxc-template44
3 files changed, 336 insertions, 3 deletions
diff --git a/testing/lxc/APKBUILD b/testing/lxc/APKBUILD
index 042ae13c0a..10f55deebc 100644
--- a/testing/lxc/APKBUILD
+++ b/testing/lxc/APKBUILD
@@ -3,7 +3,7 @@
pkgname=lxc
pkgver=0.7.4
_mypkgver=${pkgver/_rc/-rc}
-pkgrel=2
+pkgrel=3
pkgdesc="linux containers - tools"
url="http://lxc.sourceforge.net/"
arch="all"
@@ -14,7 +14,10 @@ makedepends="$depends_dev"
install=""
subpackages="$pkgname-dev $pkgname-doc"
source="http://lxc.sourceforge.net/download/lxc/$pkgname-$_mypkgver.tar.gz
- lxc.initd"
+ lxc.initd
+ setup-lxc-template
+ setup-lxc-guest
+ "
_builddir="${srcdir}/${pkgname}-${_mypkgver}"
prepare() {
@@ -39,7 +42,11 @@ package() {
cd "$_builddir"
make DESTDIR="$pkgdir" install || return 1
install -Dm755 "$srcdir"/lxc.initd "$pkgdir"/etc/init.d/lxc
+ install -Dm755 "$srcdir"/setup-lxc-template "$pkgdir"/usr/bin/setup-lxc-template
+ install -Dm755 "$srcdir"/setup-lxc-guest "$pkgdir"/usr/bin/setup-lxc-guest
}
md5sums="51bb5d7d9d22e2c98490aed47fc02ad9 lxc-0.7.4.tar.gz
-e66c3cf8e70168b07060746a4e65b671 lxc.initd"
+e66c3cf8e70168b07060746a4e65b671 lxc.initd
+45d0f604310e58a1359f1745a4739843 setup-lxc-template
+c3f7fd7e85d40c4a4b1b427048ff9652 setup-lxc-guest"
diff --git a/testing/lxc/setup-lxc-guest b/testing/lxc/setup-lxc-guest
new file mode 100755
index 0000000000..0519ae0299
--- /dev/null
+++ b/testing/lxc/setup-lxc-guest
@@ -0,0 +1,282 @@
+#!/bin/sh
+
+# simple script to set up a new lxc guest
+# test the first argument against the remaining ones, return success on a match
+isin() {
+ local _a=$1 _b
+
+ shift
+ for _b; do
+ [ "$_a" = "$_b" ] && return 0
+ done
+ return 1
+}
+
+# remove all occurrences of first argument from list formed by
+# the remaining arguments
+rmel() {
+ local _a=$1 _b
+
+ shift
+ for _b; do
+ [ "$_a" != "$_b" ] && echo -n "$_b "
+ done
+}
+
+# Issue a read into the global variable $resp.
+_ask() {
+ local _redo=0
+
+ read resp
+ case "$resp" in
+ !) echo "Type 'exit' to return to setup."
+ sh
+ _redo=1
+ ;;
+ !*) eval "${resp#?}"
+ _redo=1
+ ;;
+ esac
+ return $_redo
+}
+
+# Ask for user input.
+#
+# $1 = the question to ask the user
+# $2 = the default answer
+#
+# Save the user input (or the default) in $resp.
+#
+# Allow the user to escape to shells ('!') or execute commands
+# ('!foo') before entering the input.
+ask() {
+ local _question=$1 _default=$2
+
+ while :; do
+ echo -n "$_question "
+ [ -z "$_default" ] || echo -n "[$_default] "
+ _ask && : ${resp:=$_default} && break
+ done
+}
+
+# Ask for user input until a non-empty reply is entered.
+#
+# $1 = the question to ask the user
+# $2 = the default answer
+#
+# Save the user input (or the default) in $resp.
+ask_until() {
+ resp=
+ while [ -z "$resp" ] ; do
+ ask "$1" "$2"
+ done
+}
+
+# Ask for the user to select one value from a list, or 'done'.
+#
+# $1 = name of the list items (disk, cd, etc.)
+# $2 = question to ask
+# $3 = list of valid choices
+# $4 = default choice, if it is not specified use the first item in $3
+#
+# N.B.! $3 and $4 will be "expanded" using eval, so be sure to escape them
+# if they contain spooky stuff
+#
+# At exit $resp holds selected item, or 'done'
+ask_which() {
+ local _name=$1 _query=$2 _list=$3 _def=$4 _dynlist _dyndef
+
+ while :; do
+ # Put both lines in ask prompt, rather than use a
+ # separate 'echo' to ensure the entire question is
+ # re-ask'ed after a '!' or '!foo' shell escape.
+ eval "_dynlist=\"$_list\""
+ eval "_dyndef=\"$_def\""
+
+ # Clean away whitespace and determine the default
+ set -o noglob
+ set -- $_dyndef; _dyndef="$1"
+ set -- $_dynlist; _dynlist="$*"
+ set +o noglob
+ [ $# -lt 1 ] && resp=done && return
+
+ : ${_dyndef:=$1}
+ echo "Available ${_name}s are: $_dynlist."
+ echo -n "Which one $_query? (or 'done') "
+ [ -n "$_dyndef" ] && echo -n "[$_dyndef] "
+ _ask || continue
+ [ -z "$resp" ] && resp="$_dyndef"
+
+ # Quote $resp to prevent user from confusing isin() by
+ # entering something like 'a a'.
+ isin "$resp" $_dynlist done && break
+ echo "'$resp' is not a valid choice."
+ done
+}
+
+# Ask for user input until a non-empty reply is entered.
+#
+# $1 = the question to ask the user
+# $2 = the default answer
+#
+# Save the user input (or the default) in $resp.
+ask_until() {
+ resp=
+ while [ -z "$resp" ] ; do
+ ask "$1" "$2"
+ done
+}
+
+# http://en.wikipedia.org/wiki/Hostname#Restrictions_on_valid_host_names
+valid_hostname() {
+ # check length
+ if [ $(echo "$1" | wc -c) -gt 63 ]; then
+ echo "Hostname '$1' is too long."
+ return 1
+ fi
+ # check that it only contains valid chars
+ if ! [ -z "$(echo $1 | sed 's/[0-9a-z-]//g')" ]; then
+ echo "Hostname must only contain letters (a-z), digits (0-9) or -"
+ return 1
+ fi
+ # must not start with -
+ case "$1" in
+ -*) echo "Hostname must not start with a '-'"; return 1;;
+ esac
+ return 0
+}
+
+# return last ipv4 address and mask
+#
+# $1 = interface
+#
+last_ipv4_addr_mask() {
+ local _iface=$1
+ ip addr show dev $_iface | awk '$1 == "inet" {print $2}' | tail -n1
+}
+
+valid_ip_and_prefix() {
+ [ "$1" ] || return 0
+ ipcalc -s -m $1 >/dev/null 2>&1 && ! ipcalc -s -m $1/0 >/dev/null 2>&1
+}
+
+# ask for hostname
+#
+# $1 = default
+#
+# retrusn hostname in global var $resp
+#
+ask_hostname() {
+ while true; do
+ ask "Hostname for new lxc container:" $1
+ if [ -d /var/lib/lxc/$resp ]; then
+ echo "/var/lib/lxc/$resp already exist"
+ continue
+ fi
+ if [ -d /lxc/$resp ]; then
+ echo "/lxc/$resp already exist"
+ continue
+ fi
+ valid_hostname $resp && break
+ done
+}
+
+ask_ifaceopts() {
+ # get ip address(es)
+ resp=
+ local ifaceopts= _def= _iface=
+ local ifaces=$(ip addr | awk -F: '$1 ~ /^[0-9]/ {printf "%s" $2} END {printf "\n"}')
+ local last_iface=$(echo $ifaces | sed 's/.* //')
+ while [ "$resp" != "done" ]; do
+ if [ -z "$ifaces" ] || [ "$ifaces" = "lo " ] || [ -n "$ifaceopts" ]; then
+ _def="done"
+ else
+ _def=$(echo $ifaces | sed 's/.* //')
+ fi
+ ask_which "network interface" "to use for $_hostname" \
+ "$ifaces" $_def
+ [ "$resp" = "done" ] && break
+
+ _iface=$resp
+ ifaces=$(rmel $_iface $ifaces)
+ # suggested ip by last digit + 1
+ _last_ip_mask=$(last_ipv4_addr_mask $_iface)
+ _last_ip=${_last_ip_mask%/*}
+ _last_ip_digit=${_last_ip##*.}
+ _ip=${_last_ip%.*}.$((($_last_ip_digit + 1) % 256))
+ _mask=${_last_ip_mask#*/}
+ while true; do
+ ask "Enter IP address/mask for $_iface:" $_ip/$_mask
+ valid_ip_and_prefix "$resp" 2>&1 && break
+ echo "$resp is not a valid IPv4 address/mask"
+ done
+ _ip_mask=$resp
+ ifaceopts="$ifaceopts --interface $_iface:$_ip_mask"
+ echo "lxc.network.ipv4 = $_iface/$_ip_mask" >> /tmp/lxc-$hostname.conf
+ conffile=/tmp/lxc-$hostname.conf
+ done
+ resp="$conffile"
+}
+
+ask_template() {
+ local temp
+ # get template
+ while true; do
+ ask "Enter template file (or empty for generate a new):" \
+ $_template
+ if [ -z "$resp" ] || [ -r "$resp" ]; then
+ break
+ fi
+ echo "Can not read $resp"
+ done
+ temp=$resp
+ if [ -z "$temp" ]; then
+ temp=/tmp/template.tar.gz
+ echo "Generating template..."
+ if setup-lxc-template -q -o $temp; then
+ echo "ok"
+ else
+ echo "Failed to create template"
+ exit 1
+ fi
+ fi
+ resp=$temp
+}
+
+usage() {
+ echo "Usage: ${0##*/} [-h] [HOSTNAME...]"
+ exit 1
+}
+
+while getopts "h" opt; do
+ case "$opt" in
+ h) usage;;
+ ?) usage;;
+ esac
+done
+
+shift $(($OPTIND - 1))
+
+if [ "$(whoami)" != "root" ]; then
+ echo "Need to be root. Sorry."
+ exit 1
+fi
+
+while true; do
+ ask_hostname $1
+ _hostname=$resp
+
+ ask_ifaceopts
+ _conffile=$resp
+
+ ask_template
+ _template=$resp
+
+ lxc-create -n $_hostname \
+ -f $_conffile \
+ -t "$_template" \
+ || exit 1
+
+ shift
+ [ $# -le 0 ] && exit 0
+done
diff --git a/testing/lxc/setup-lxc-template b/testing/lxc/setup-lxc-template
new file mode 100755
index 0000000000..f8e9fe4a39
--- /dev/null
+++ b/testing/lxc/setup-lxc-template
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+# create a lxc template
+PROG=$0
+
+usage() {
+ echo "usage: $PROG [-fhq] [-o OUTFILE] [-X repository] [packages...]"
+ exit $1
+}
+
+clean_exit() {
+ rm -rf "$tmpdir"
+ exit $1
+}
+
+outfile=template.tar.gz
+fakeroot=
+repos=
+while getopts "ho:qX:" opt; do
+ case "$opt" in
+ h) usage 0;;
+ o) outfile="$OPTARG";;
+ q) quiet=-q;;
+ X) repos="$repos --repository $OPTARG";;
+ esac
+done
+shift $(( $OPTIND - 1 ))
+
+if [ "$(whoami)" != "root" ]; then
+ echo "Warning: you need root permissions" >&2
+fi
+
+tmpdir=$(mktemp -d ${TMPDIR:-/tmp}/setup-lxc-template-XXXXXX)
+
+apk add --root "$tmpdir" --initdb --keys-dir /etc/apk/keys -U \
+ $quiet ${repos:---repositories-file /etc/apk/repositories} \
+ alpine-base $@ \
+ || clean_exit 1
+
+tar -czf "$outfile" -C "$tmpdir" $(ls "$tmpdir") || clean_exit 1
+
+[ -z "$quiet" ] && echo "Created $outfile"
+clean_exit 0
+