From 0ab1d46e05c310a9977aebd3156b5269dffb91fc Mon Sep 17 00:00:00 2001
From: Anthony Young <sleepsonthefloor@gmail.com>
Date: Thu, 13 Oct 2011 23:03:23 -0700
Subject: [PATCH 1/2] Allow user to download and install arbitrary images

---
 stack.sh | 29 +++++++++++++----------------
 stackrc  |  3 +++
 2 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/stack.sh b/stack.sh
index 870811b..29f1377 100755
--- a/stack.sh
+++ b/stack.sh
@@ -660,38 +660,35 @@ screen_it dash "cd $DASH_DIR && sudo /etc/init.d/apache2 restart; sudo tail -f /
 # Install Images
 # ==============
 
-# Upload a couple images to glance.  **TTY** is a simple small image that use the 
-# lets you login to it with username/password of user/password.  TTY is useful 
-# for basic functionality.  We all include an Ubuntu cloud build of **Natty**.
-# Natty uses cloud-init, supporting login via keypair and sending scripts as
-# userdata.  
+# Upload an image to glance.
 #
-# Read more about cloud-init at https://help.ubuntu.com/community/CloudInit
+# The default image is a small ***TTY*** testing image, which lets you login
+# the username/password of root/password.
+#
+# TTY also uses cloud-init, supporting login via keypair and sending scripts as
+# userdata.  See https://help.ubuntu.com/community/CloudInit for more on cloud-init
+#
+# Override IMAGE_URL if you would to launch a different image.  Some other options:
+#   natty: http://uec-images.ubuntu.com/natty/current/natty-server-cloudimg-amd64.tar.gz
 
 if [[ "$ENABLED_SERVICES" =~ "g-reg" ]]; then
-    # create a directory for the downloadedthe images tarballs.
+    # Create a directory for the downloadedthe images tarballs.
     mkdir -p $FILES/images
 
-    # Debug Image (TTY)
-    # -----------------
-
-    # Downloads the image (ami/aki/ari style), then extracts it.  Upon extraction
-    # we upload to glance with the glance cli tool.  TTY is a stripped down 
-    # version of ubuntu.
-    IMAGE_URL=http://smoser.brickies.net/ubuntu/ttylinux-uec/ttylinux-uec-amd64-11.2_2.6.35-15_1.tar.gz
+    # Downloads the image (uec ami+aki style), then extracts it.
     IMAGE_FNAME=`echo "$IMAGE_URL" | python -c "import sys; print sys.stdin.read().split('/')[-1]"`
     IMAGE_NAME=`echo "$IMAGE_FNAME" | python -c "import sys; print sys.stdin.read().split('.tar.gz')[0].split('.tgz')[0]"`
     if [ ! -f $FILES/$IMAGE_FNAME ]; then
         wget -c $IMAGE_URL -O $FILES/$IMAGE_FNAME
     fi
 
-    # extract ami-tty/image, aki-tty/image & ari-tty/image
+    # Extract ami and aki files
     tar -zxf $FILES/$IMAGE_FNAME -C $FILES/images
 
+    # Upload to glance with the glance cli tool.
     RVAL=`glance add -A $SERVICE_TOKEN name="$IMAGE_NAME-kernel" is_public=true container_format=aki disk_format=aki < $FILES/images/$IMAGE_NAME-vmlinuz*`
     KERNEL_ID=`echo $RVAL | cut -d":" -f2 | tr -d " "`
     glance add -A $SERVICE_TOKEN name="$IMAGE_NAME" is_public=true container_format=ami disk_format=ami kernel_id=$KERNEL_ID < $FILES/images/$IMAGE_NAME.img
-
 fi
 
 # Fin
diff --git a/stackrc b/stackrc
index 15d73ce..9a94721 100644
--- a/stackrc
+++ b/stackrc
@@ -27,6 +27,9 @@ NOVACLIENT_BRANCH=master
 OPENSTACKX_REPO=https://github.com/cloudbuilders/openstackx.git
 OPENSTACKX_BRANCH=diablo
 
+# Specify a uec image to download and install into glance.
+IMAGE_URL=http://smoser.brickies.net/ubuntu/ttylinux-uec/ttylinux-uec-amd64-11.2_2.6.35-15_1.tar.gz
+
 # allow local overrides of env variables
 if [ -f ./localrc ]; then
     source ./localrc

From 93947e59be5566391a3fa0a0b32906ce8c4ceffa Mon Sep 17 00:00:00 2001
From: Anthony Young <sleepsonthefloor@gmail.com>
Date: Thu, 13 Oct 2011 23:07:56 -0700
Subject: [PATCH 2/2] improve docs

---
 stack.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/stack.sh b/stack.sh
index 29f1377..ea4db93 100755
--- a/stack.sh
+++ b/stack.sh
@@ -685,7 +685,9 @@ if [[ "$ENABLED_SERVICES" =~ "g-reg" ]]; then
     # Extract ami and aki files
     tar -zxf $FILES/$IMAGE_FNAME -C $FILES/images
 
-    # Upload to glance with the glance cli tool.
+    # Use glance client to add the kernel the root filesystem.
+    # We parse the results of the first upload to get the glance ID of the
+    # kernel for use when uploading the root filesystem.
     RVAL=`glance add -A $SERVICE_TOKEN name="$IMAGE_NAME-kernel" is_public=true container_format=aki disk_format=aki < $FILES/images/$IMAGE_NAME-vmlinuz*`
     KERNEL_ID=`echo $RVAL | cut -d":" -f2 | tr -d " "`
     glance add -A $SERVICE_TOKEN name="$IMAGE_NAME" is_public=true container_format=ami disk_format=ami kernel_id=$KERNEL_ID < $FILES/images/$IMAGE_NAME.img