linkerd2/bin/_docker.sh

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#!/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_build() {
repo=$(docker_repo "$1")
shift
tag="$1"
shift
file="$1"
shift
extra="$@"
output="/dev/null"
if [ -n "$DOCKER_TRACE" ]; then
output="/dev/stderr"
fi
log_debug " :; docker build . -t $repo:$tag -f $file $extra"
docker build . \
-t "$repo:$tag" \
-f "$file" \
$extra \
> "$output"
echo "$repo:$tag"
}
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"
}