16be6d7ce0
As with the previous similar changes, this is intended to catch problems as they happen instead of ignoring them and continuing on to potentially fail later. Setting this on all existing scripts will allow us to enforce use via Jenkins. Change-Id: Iad2d490c86dceab148ea9ab08f457c49a5d5352e
61 lines
2.3 KiB
Bash
Executable File
61 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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set -eu
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set -o pipefail
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[ -n "$ARCH" ]
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[ -n "$TARGET_ROOT" ]
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if [ 'amd64' = "$ARCH" ] ; then
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ARCH="x86_64"
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fi
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DIB_RELEASE=${DIB_RELEASE:-"6.5-20140121.0"}
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DIB_CLOUD_IMAGES=${DIB_CLOUD_IMAGES:-http://rhn.redhat.com}
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BASE_IMAGE_FILE=${BASE_IMAGE_FILE:-rhel-guest-image-$DIB_RELEASE.x86_64.qcow2}
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BASE_IMAGE_TAR=$DIB_RELEASE-rhel-server-$ARCH-latest.tgz
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CACHED_TAR=$DIB_IMAGE_CACHE/$BASE_IMAGE_TAR
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if [ -n "$DIB_OFFLINE" -a -f "$CACHED_TAR" ] ; then
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echo "Not checking freshness of cached $CACHED_TAR."
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else
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echo "Fetching Base Image"
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$TMP_HOOKS_PATH/bin/cache-url $DIB_CLOUD_IMAGES/$BASE_IMAGE_FILE $DIB_IMAGE_CACHE/$BASE_IMAGE_FILE
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if [ ! -f $CACHED_TAR -o \
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$DIB_IMAGE_CACHE/$BASE_IMAGE_FILE -nt $CACHED_TAR ] ; then
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echo "Repacking base image as tarball."
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WORKING=$(mktemp -d)
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EACTION="rm -r $WORKING"
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trap "$EACTION" EXIT
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RAW_FILE=$(basename $BASE_IMAGE_FILE)
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RAW_FILE=${RAW_FILE#.qcow2}.raw
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qemu-img convert -f qcow2 -O raw $DIB_IMAGE_CACHE/$BASE_IMAGE_FILE $WORKING/$RAW_FILE
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MAGIC_BIT=p1
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# NOTE: On RHEL, partprobe of /dev/loop0 does not create /dev/loop0p2,
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# while kpartx at least creates /dev/mapper/loop0p2.
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LOOPDEV=$(sudo kpartx -av $WORKING/$RAW_FILE | awk "/loop[0-9]+$MAGIC_BIT/ {print \$3}")
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export LOOPDEV=$LOOPDEV
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echo "Loop device is set to: $LOOPDEV"
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if ! timeout 5 sh -c "while ! [ -e /dev/mapper/$LOOPDEV ]; do sleep 1; done"; then
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echo "Error: Could not find /dev/mapper/$LOOPDEV"
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exit 1
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fi
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EACTION="sudo kpartx -d $WORKING/$RAW_FILE;$EACTION"
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trap "$EACTION" EXIT
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mkdir $WORKING/mnt
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sudo mount /dev/mapper/$LOOPDEV $WORKING/mnt
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EACTION="sudo umount -f $WORKING/mnt;$EACTION"
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trap "$EACTION" EXIT
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# Chroot in so that we get the correct uid/gid
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sudo chroot $WORKING/mnt bin/tar -cz . > $WORKING/tmp.tar
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mv $WORKING/tmp.tar $DIB_IMAGE_CACHE/$BASE_IMAGE_TAR
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fi
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fi
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# Extract the base image (use --numeric-owner to avoid UID/GID mismatch between
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# image tarball and host OS e.g. when building RHEL image on an openSUSE host)
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sudo tar -C $TARGET_ROOT --numeric-owner -xzf $DIB_IMAGE_CACHE/$BASE_IMAGE_TAR
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if [ -e "$TARGET_ROOT/lost+found" ]; then
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sudo rmdir $TARGET_ROOT/lost+found
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fi
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