containers-bsi/BuildSourceImage.sh
Daniel J Walsh 740a3b60fa
Fixes to make the images sharable
Changing the time on all SRC RPMS to EPOCH So the images will always have
the same date on them.  This prevents us from getting variance and allows the
blobs to be shared.

Also now commit each layer and start a new container based on the previous

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
2019-07-16 09:50:48 -04:00

71 lines
2.1 KiB
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Executable file

#!/bin/sh
# This script requires an OCI IMAGE Name to pull.
# The script generates a SOURCE Image based on the OCI Image
# Script must be executed on the same OS or newer as the image.
IMAGE=$1
SRC_RPM_DIR=SRCRPMS
SRC_IMAGE=$1-src
CONTEXT_DIR=$2
EXTRA_SRC_DIR=$3
IMAGE_CTR=$(buildah from ${IMAGE})
IMAGE_MNT=$(buildah mount ${IMAGE_CTR})
#
# From the executable image, get the RELEASEVER of the image
#
RELEASE=$(rpm -q --queryformat "%{VERSION}\n" --root $IMAGE_MNT -f /etc/os-release)
#
# From the executable image, list the SRC RPMS used to build the image
#
SRC_RPMS=$(rpm -qa --root ${IMAGE_MNT} --queryformat '%{SOURCERPM}\n' | grep -v '^gpg-pubkey' | sort -u)
buildah umount ${IMAGE_CTR}
buildah rm ${IMAGE_CTR}
#
# For each SRC_RPMS used to build the executable image, download the SRC RPM
# and generate a layer in the SRC RPM.
#
pushd ${SRC_RPM_DIR}
export SRC_CTR=$(buildah from scratch)
for i in ${SRC_RPMS}; do
if [ ! -f $i ]; then
RPM=$(echo $i | sed 's/.src.rpm$//g')
dnf download --release $RELEASE --source $RPM || continue
fi
echo "Adding $i"
touch --date='@0' $i
buildah add --add-history ${SRC_CTR} $i /RPMS
export IMG=$(buildah commit --rm ${SRC_CTR} $i)
export SRC_CTR=$(buildah from ${IMG})
done
popd
#
# If the caller specified a context directory,
# add it to the CONTEXT DIR in SRC IMAGE
#
if [ ! -z "${CONTEXT_DIR}" ]; then
buildah add --add-history ${SRC_CTR} ${CONTEXT_DIR} /CONTEXT
export IMG=$(buildah commit --rm $SRC_CTR $1_$(echo $(CONTEXT_DIR) | sed 's|/|_|g'))
export SRC_CTR=$(buildah from ${IMG})
fi
#
# If the caller specified a extra directory,
# add it to the CONTEXT DIR in SRC IMAGE
#
if [ ! -z "${EXTRA_SRC_DIR}" ]; then
buildah add --add-history ${SRC_CTR} ${EXTRA_SRC_DIR} /EXTRA
export IMG=$(buildah commit --rm $EXTRA_SRC_CTR $1_$(echo $(CONTEXT_DIR) | sed 's|/|_|g'))
export SRC_CTR=$(buildah from ${IMG})
fi
# Cleanup and remove source container
buildah rm ${SRC_CTR}
#
# Commit the SRC_CTR TO a SRC_IMAGE
#
buildah tag $IMG $SRC_IMAGE
# Push SRC_IMAGE to Registry
# buildah push $SRC_IMAGE REGISTRY_NAME/$SRC_IMAGE