lxc-generator: Add script for generating simple LXC repository

lxc-generator/generate-lxc.sh

+#!/bin/sh
+mkdir -p meta/1.0
+rm -f meta/1.0/index-system*
+mkdir -p images
+rm -rf images/*
+
+DATE="`date +%Y-%m-%d`"
+
+add_image() {
+    echo "$1;$2;$3;default;$DATE;/images/$1/$2/$3/$DATE" >> meta/1.0/index-system.2
+    mkdir -p "images/$1/$2/$3/$DATE"
+    pushd "images/$1/$2/$3/$DATE"
+    wget "$4"
+    FILE="`ls -1`"
+    if expr "$FILE" : .*\\.tbz || expr "$FILE" : .*\\.tar.bz2; then
+        bzip2 -d "$FILE"
+        FILE="`echo "$FILE" | sed -e 's|\.tbz$|.tar|' -e 's|\.tar\.bz2$|.tar|'`"
+    elif expr "$FILE" : .*\\.tgz || expr "$FILE" : .*\\.tar.gz; then
+        gzip -d "$FILE"
+        FILE="`echo "$FILE" | sed -e 's|\.tgz$|.tar|' -e 's|\.tar\.gz$|.tar|'`"
+    fi
+    mv "$FILE" rootfs.tar
+    xz -9 rootfs.tar
+    echo "Distribution $1 version $2 was just installed into your container." > create-message
+    echo "" >> create-message
+    echo "Content of the tarballs is provided by third party, thus there is no warranty of any kind." >> create-message
+    echo "lxc.arch = armv7l" > config
+    expr `date +%s` + 1209600 > expiry
+    tar -cJf meta.tar.xz create-message config expiry
+    rm -f create-message config expiry
+    popd
+}
+
+get_gentoo_url() {
+    REL="`wget -O - http://distfiles.gentoo.org/releases/arm/autobuilds/latest-stage3-armv7a_hardfp.txt | sed -n 's|\(.*\.tar.bz2\).*|\1|p'`"
+    echo "http://distfiles.gentoo.org/releases/arm/autobuilds/$REL"
+}
+
+add_image "Archlinux" "latest" "armv7l" "https://archlinuxarm.org/os/ArchLinuxARM-armv7-latest.tar.gz"
+add_image "Gentoo" "stable" "armv7l" "`get_gentoo_url`"
+add_image "openSUSE" "13.2" "armv7l" "http://download.opensuse.org/ports/armv7hl/distribution/13.2/appliances/openSUSE-13.2-ARM-JeOS.armv7-rootfs.armv7l-Current.tbz"
+add_image "openSUSE" "Tumbleweed" "armv7l" "http://download.opensuse.org/ports/armv7hl/tumbleweed/images/openSUSE-Tumbleweed-ARM-JeOS.armv7-rootfs.armv7l-Current.tbz"
+add_image "Ubuntu_Cloud" "16.04" "armv7l" "https://uec-images.ubuntu.com/releases/16.04/release/ubuntu-16.04-server-cloudimg-armhf-root.tar.gz"
+
+if [ "`gpg -K`" ]; then
+if [ -f ~/gpg-pass ]; then
+    find . -type f -exec gpg --passphrase-file ~/gpg-pass -a --detach-sign \{\} \;
+else
+    find . -type f -exec gpg -a --detach-sign \{\} \;
+fi
+fi