mirror of https://github.com/linkerd/linkerd2.git
128 lines
2.5 KiB
Bash
128 lines
2.5 KiB
Bash
#!/bin/sh
|
|
#
|
|
# docker
|
|
#
|
|
|
|
set -eu
|
|
|
|
. bin/_log.sh
|
|
|
|
# TODO this should be set to the canonical public docker regsitry; we can override this
|
|
# docker regsistry in, for instance, CI.
|
|
export DOCKER_REGISTRY="${DOCKER_REGISTRY:-gcr.io/runconduit}"
|
|
|
|
# When set, causes docker's build output to be emitted to stderr.
|
|
export DOCKER_TRACE="${DOCKER_TRACE:-}"
|
|
|
|
docker_repo() {
|
|
repo="$1"
|
|
|
|
name="$repo"
|
|
if [ -n "${DOCKER_REGISTRY:-}" ]; then
|
|
name="$DOCKER_REGISTRY/$name"
|
|
fi
|
|
|
|
echo "$name"
|
|
}
|
|
|
|
docker_tags() {
|
|
image="$1"
|
|
docker image ls "${image}" | sed 1d | awk '{print $2}'
|
|
}
|
|
|
|
docker_build() {
|
|
dir="$1"
|
|
shift
|
|
|
|
repo="$1"
|
|
shift
|
|
|
|
tag="$1"
|
|
shift
|
|
|
|
file="$1"
|
|
shift
|
|
|
|
extra="$@"
|
|
|
|
output="/dev/null"
|
|
if [ -n "$DOCKER_TRACE" ]; then
|
|
output="/dev/stderr"
|
|
fi
|
|
|
|
# Even when we haven't built an image locally, we can try to use a known prior version
|
|
# of the image to prevent rebuilding layers.
|
|
if [ -n "${DOCKER_BUILD_CACHE_FROM_TAG:-}" ]; then
|
|
if [ -n "$extra" ]; then
|
|
extra="$extra "
|
|
fi
|
|
extra="${extra}--cache-from='$repo:${DOCKER_BUILD_CACHE_FROM_TAG}'"
|
|
fi
|
|
|
|
log_debug " :; docker build $dir -t $repo:$tag -f $file $extra"
|
|
docker build "$dir" \
|
|
-t "$repo:$tag" \
|
|
-f "$file" \
|
|
$extra \
|
|
> "$output"
|
|
|
|
echo "$repo:$tag"
|
|
}
|
|
|
|
# Builds a docker image if it doesn't exist and/or can't be found.
|
|
#
|
|
# If the `tag` is 'latest', an image will always be built.
|
|
docker_maybe_build() {
|
|
dir="$1"
|
|
shift
|
|
|
|
repo="$1"
|
|
shift
|
|
|
|
tag="$1"
|
|
shift
|
|
|
|
file="$1"
|
|
shift
|
|
|
|
extra="$@"
|
|
|
|
if [ -z "${DOCKER_FORCE_BUILD:-}" ]; then
|
|
docker pull "${repo}:${tag}" >/dev/null 2>&1 || true
|
|
|
|
for t in $(docker_tags "${repo}:${tag}") ; do
|
|
if [ "$t" = "$tag" ]; then
|
|
docker tag "${repo}:${tag}" "${repo}:latest" >/dev/null
|
|
|
|
echo "${repo}:${tag}"
|
|
return 0
|
|
fi
|
|
done
|
|
fi
|
|
|
|
docker_build "$dir" "$repo" "$tag" "$file" $extra
|
|
}
|
|
|
|
docker_pull() {
|
|
repo=$(docker_repo "$1")
|
|
tag="$2"
|
|
log_debug " :; docker pull $repo:$tag"
|
|
docker pull "$repo:$tag"
|
|
}
|
|
|
|
docker_push() {
|
|
repo=$(docker_repo "$1")
|
|
tag="$2"
|
|
log_debug " :; docker push $repo:$tag"
|
|
docker push "$repo:$tag"
|
|
}
|
|
|
|
docker_retag() {
|
|
repo=$(docker_repo "$1")
|
|
from="$2"
|
|
to="$3"
|
|
log_debug " :; docker tag $repo:$from $repo:$to"
|
|
docker tag "$repo:$from" "$repo:$to"
|
|
echo "$repo:$to"
|
|
}
|