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Download a compressed centos cloud images

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The centos cloud images are both arround a GB in size, and
downloading them causes lot of CI timeouts, downloading the
compressed version saves 700MB of bandwith and should save
a lot of time.

Change-Id: I8dcd1db81fe5c4661945638ef3e6344fdf651243
This commit is contained in:
Derek Higgins 2015-09-16 16:31:27 +01:00
parent 5bae00db0c
commit fadb613e78
4 changed files with 16 additions and 2 deletions
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2
elements/centos/root.d/10-centos6-cloud-image
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@ -24,7 +24,7 @@ if [ -n "$DIB_LOCAL_IMAGE" ]; then
BASE_IMAGE_TAR=$BASE_IMAGE_FILE.tgz BASE_IMAGE_TAR=$BASE_IMAGE_FILE.tgz
else else
DIB_CLOUD_IMAGES=${DIB_CLOUD_IMAGES:-http://cloud.centos.org/centos/6/images} DIB_CLOUD_IMAGES=${DIB_CLOUD_IMAGES:-http://cloud.centos.org/centos/6/images}
BASE_IMAGE_FILE=${BASE_IMAGE_FILE:-CentOS-6-x86_64-$DIB_RELEASE.qcow2} BASE_IMAGE_FILE=${BASE_IMAGE_FILE:-CentOS-6-x86_64-$DIB_RELEASE.qcow2.xz}
BASE_IMAGE_TAR=$BASE_IMAGE_FILE.tgz BASE_IMAGE_TAR=$BASE_IMAGE_FILE.tgz
IMAGE_LOCATION=$DIB_CLOUD_IMAGES/$BASE_IMAGE_FILE IMAGE_LOCATION=$DIB_CLOUD_IMAGES/$BASE_IMAGE_FILE
CACHED_IMAGE=$DIB_IMAGE_CACHE/$BASE_IMAGE_FILE CACHED_IMAGE=$DIB_IMAGE_CACHE/$BASE_IMAGE_FILE

2
elements/centos7/root.d/10-centos7-cloud-image
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@ -28,7 +28,7 @@ if [ -n "$DIB_LOCAL_IMAGE" ]; then
else else
DIB_RELEASE=${DIB_RELEASE:-GenericCloud} DIB_RELEASE=${DIB_RELEASE:-GenericCloud}
DIB_CLOUD_IMAGES=${DIB_CLOUD_IMAGES:-http://cloud.centos.org/centos/7/images} DIB_CLOUD_IMAGES=${DIB_CLOUD_IMAGES:-http://cloud.centos.org/centos/7/images}
BASE_IMAGE_FILE=${BASE_IMAGE_FILE:-CentOS-7-x86_64-$DIB_RELEASE.qcow2} BASE_IMAGE_FILE=${BASE_IMAGE_FILE:-CentOS-7-x86_64-$DIB_RELEASE.qcow2.xz}
BASE_IMAGE_TAR=$BASE_IMAGE_FILE.tgz BASE_IMAGE_TAR=$BASE_IMAGE_FILE.tgz
IMAGE_LOCATION=$DIB_CLOUD_IMAGES/$BASE_IMAGE_FILE IMAGE_LOCATION=$DIB_CLOUD_IMAGES/$BASE_IMAGE_FILE
CACHED_IMAGE=$DIB_IMAGE_CACHE/$BASE_IMAGE_FILE CACHED_IMAGE=$DIB_IMAGE_CACHE/$BASE_IMAGE_FILE

7
elements/redhat-common/README.rst
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@ -3,6 +3,13 @@ redhat-common
============= =============
Image installation steps common to RHEL, CentOS, and Fedora. Image installation steps common to RHEL, CentOS, and Fedora.
Requirements:
If used to build an image form a cloud image compress with xz
(the default in centos), this element uses "unxz" to decompress
the image. Depending on your distro you may need to install either
the xz or xz-utils package.
Overrides: Overrides:
DIB_LOCAL_IMAGE DIB_LOCAL_IMAGE

7
elements/redhat-common/bin/extract-image
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@ -50,6 +50,13 @@ function extract_image() {
RAW_FILE=$(mktemp --tmpdir=$WORKING XXXXXX.raw) RAW_FILE=$(mktemp --tmpdir=$WORKING XXXXXX.raw)
if [ "${CACHED_IMAGE: -3}" == ".xz" ] ; then
QCOW2_FILE=$(mktemp --tmpdir=$WORKING XXXXXX.qcow2)
# This leaves the old image in place so cache-url wont get it again
unxz --stdout $CACHED_IMAGE > $QCOW2_FILE
CACHED_IMAGE=$QCOW2_FILE
fi
qemu-img convert -f qcow2 -O raw $CACHED_IMAGE $RAW_FILE qemu-img convert -f qcow2 -O raw $CACHED_IMAGE $RAW_FILE
ROOT_PARTITON=p$(sudo kpartx -l $RAW_FILE | awk "/loop[0-9]+p/"|wc -l) ROOT_PARTITON=p$(sudo kpartx -l $RAW_FILE | awk "/loop[0-9]+p/"|wc -l)