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Allow for bad Fedora image mirrors

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I am getting a lot of http 404's from Fedora mirrors, in particular in
the US. Alternatively we could get cache-url to use previously existing
files if they exist and there is an error but this may not be the
correct thing todo in all cases.

So for now we do a retry if HTTP 404 is returned to the request for a
Fedora image.

Change-Id: I7634aeac3bdfe6930fafe6d276186c09fc8587b5
This commit is contained in:
Derek Higgins 2013-10-11 09:50:12 +01:00
parent 1adb4072b8
commit 9947cdebd9
1 changed files with 12 additions and 0 deletions
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12
elements/fedora/root.d/10-fedora-cloud-image
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@ -19,7 +19,19 @@ if [ -n "$DIB_OFFLINE" -a -f "$CACHED_TAR" ] ; then
echo "Not checking freshness of cached $CACHED_TAR."
else
echo "Fetching Base Image"
# There seems to be some bad Fedora mirrors returning http 404's for the cloud image.
# If the image fails to download due to a 404 we retry once.
set +e
$TMP_HOOKS_PATH/bin/cache-url $DIB_CLOUD_IMAGES/$BASE_IMAGE_FILE $DIB_IMAGE_CACHE/$BASE_IMAGE_FILE
RV=$?
set -e
if [ "$RV" == "44" ] ; then
$TMP_HOOKS_PATH/bin/cache-url $DIB_CLOUD_IMAGES/$BASE_IMAGE_FILE $DIB_IMAGE_CACHE/$BASE_IMAGE_FILE
elif [ "$RV" != "0" ] ; then
exit 1
fi
if [ ! -f $CACHED_TAR -o \
$DIB_IMAGE_CACHE/$BASE_IMAGE_FILE -nt $CACHED_TAR ] ; then