Merge pull request #1461 from jirutka/alpine

lxc-alpine: few modifications

templates/lxc-alpine.in

@@ -46,7 +46,7 @@ ebf31683b56410ecc4c00acd9f6e2839e237a3b62b5ae7ef686705c7ba0396a9  alpine-devel@l
 12f899e55a7691225603d6fb3324940fc51cd7f133e7ead788663c2b7eecb00c  alpine-devel@lists.alpinelinux.org-5261cecb.rsa.pub"
 
 readonly APK_KEYS_URI='http://alpinelinux.org/keys'
-readonly MIRRORS_LIST_URL='http://rsync.alpinelinux.org/alpine/MIRRORS.txt'
+readonly DEFAULT_MIRROR_URL='http://dl-cdn.alpinelinux.org/alpine'
 
 : ${APK_KEYS_DIR:=/etc/apk/keys}
 if ! ls "$APK_KEYS_DIR"/alpine* >/dev/null 2>&1; then
@@ -76,7 +76,7 @@ usage() {
 		                          to the host arch.
 		   -d, --debug            Run this script in a debug mode (set -x and wget w/o -q).
 		   -F, --flush-cache      Remove cached files before build.
-		   -m URL --mirror=URL    The Alpine mirror to use; defaults to random mirror.
+		   -m URL --mirror=URL    The Alpine mirror to use; defaults to $DEFAULT_MIRROR_URL.
 		   -r VER, --release=VER  The Alpine release branch to install; default is the
 		                          latest stable.
 
@@ -130,11 +130,6 @@ parse_arch() {
 	esac
 }
 
-random_mirror_url() {
-	local url=$(fetch "$MIRRORS_LIST_URL" | shuf -n 1)
-	[ -n "$url" ] && echo "$url"
-}
-
 run_exclusively() {
 	local lock_name="$1"
 	local timeout=$2
@@ -236,7 +231,6 @@ install() {
 	local branch="$3"
 	local extra_packages="$4"
 	local apk_cache="$LXC_CACHE_DIR/apk/$arch"
-	local repo_url="$MIRROR_URL/$branch/main"
 
 	if [ "$FLUSH_CACHE" = 'yes' ] && [ -d "$apk_cache" ]; then
 		einfo "Cleaning cached APK packages for $arch"
@@ -249,7 +243,10 @@ install() {
 
 	mkdir -p etc/apk
 	ln -s "$apk_cache" etc/apk/cache
-	echo "$repo_url" > etc/apk/repositories
+
+	local repo; for repo in main community; do
+		echo "$MIRROR_URL/$branch/$repo" >> etc/apk/repositories
+	done
 
 	install_packages "$arch" "alpine-base $extra_packages"
 	make_dev_nodes
@@ -475,7 +472,7 @@ extra_packages="$@"
 # Set global variables.
 readonly DEBUG="$debug"
 readonly FLUSH_CACHE="$flush_cache"
-readonly MIRROR_URL="${mirror_url:-$(random_mirror_url)}"
+readonly MIRROR_URL="${mirror_url:-$DEFAULT_MIRROR_URL}"
 
 # Validate options.
 [ -n "$name" ] || die 1 'Missing required option --name'