elements: opensuse: Add support for openSUSE Leap

Add support for new openSUSE Leap releases. Moreover, document
common environment variables and remove old note.

Change-Id: I8cf0b215cb4d9231e5658d49e3fd598dfbb5fd37

elements/opensuse/README.rst

@@ -13,6 +13,19 @@ For example, the images of openSUSE 13.2 can be found here:
 These images should be considered experimental. There are curently only x86_64
 images.
 
+Environment Variables
+---------------------
+
+DIB_RELEASE
+  :Required: No
+  :Default: 13.1
+  :Description: Set the desired openSUSE release.
+
+DIB_CLOUD_IMAGES
+  :Required: No
+  :Default: http://download.opensuse.org/repositories/Cloud:/Images:/(openSUSE|Leap)_${DIB_RELEASE}
+  :Description: Set the desired URL to fetch the images from.
+
 Notes:
 
 * There are very frequently new automated builds that include changes that
@@ -21,8 +34,3 @@ Notes:
   point to the latest image, but will frequently change its content. The versioned
   one will never change content, but will frequently be deleted and replaced
   by a newer build with a higher version-release number.
-
-* Building with DIB\_EXTLINUX=1 doesn't work.  It fails with:
-  /tmp/in\_target.d/finalise.d/51-bootloader: line 14: 16286 Segmentation fault
-  extlinux --install /boot/syslinux
-  (https://bugzilla.novell.com/show_bug.cgi?id=852856)

elements/opensuse/environment.d/10-opensuse-distro-name.bash

@@ -1 +1,9 @@
 export DISTRO_NAME=opensuse
+export DIB_RELEASE=${DIB_RELEASE:-13.1}
+case ${DIB_RELEASE} in
+    # Old openSUSE releases
+    13*) export OPENSUSE_REPO_DIR=openSUSE_${DIB_RELEASE} ;;
+    # New Leap releases
+    42*) export OPENSUSE_REPO_DIR=openSUSE_Leap_${DIB_RELEASE} ;;
+    *) echo "Unsupported openSUSE release: ${DIB_RELEASE}"; exit 1 ;;
+esac

elements/opensuse/pre-install.d/00-opensuse-setup

@@ -7,4 +7,4 @@ fi
 set -eu
 set -o pipefail
 
-zypper ar -f http://download.opensuse.org/repositories/X11:/Bumblebee/openSUSE_13.1/X11:Bumblebee.repo
+zypper ar -f http://download.opensuse.org/repositories/X11:/Bumblebee/${OPENSUSE_REPO_DIR}/X11:Bumblebee.repo

elements/opensuse/root.d/10-opensuse-cloud-image

@@ -18,11 +18,24 @@ if ! [ 'x86_64' = "$ARCH" ] ; then
     exit 1
 fi
 
-DIB_RELEASE=${DIB_RELEASE:-13.1}
+# Set some image defaults
+case ${DIB_RELEASE} in
+    # Old openSUSE releases
+    13*)
+        OPENSUSE_IMAGE_BASEDIR=openSUSE
+        OPENSUSE_IMAGE_FILE=openSUSE-${DIB_RELEASE}-OS
+        ;;
+    # New Leap releases
+    42*)
+        OPENSUSE_IMAGE_BASEDIR=Leap
+        OPENSUSE_IMAGE_FILE=openSUSE-Leap-${DIB_RELEASE}-OpenStack
+        ;;
+    # We handle unknown cases in environment.d/10-opensuse-distro-name.bash
+esac
 # NOTE(toabctl): if something changes here on the buildservice side, please
 # first ask in #opensuse-cloud on freenode before you change the format here!
-DIB_CLOUD_IMAGES=${DIB_CLOUD_IMAGES:-http://download.opensuse.org/repositories/Cloud:/Images:/openSUSE_${DIB_RELEASE}/images/}
-BASE_IMAGE_FILE=${BASE_IMAGE_FILE:-openSUSE-${DIB_RELEASE}-OS-rootfs.${ARCH}.tbz}
+DIB_CLOUD_IMAGES=${DIB_CLOUD_IMAGES:-http://download.opensuse.org/repositories/Cloud:/Images:/${OPENSUSE_IMAGE_BASEDIR}_${DIB_RELEASE}/images/}
+BASE_IMAGE_FILE=${BASE_IMAGE_FILE:-${OPENSUSE_IMAGE_FILE}-rootfs.${ARCH}.tbz}
 SHA256SUMS_FILE=${SHA256SUMS_FILE:-${BASE_IMAGE_FILE}.sha256}
 
 CACHED_FILE=$DIB_IMAGE_CACHE/$BASE_IMAGE_FILE