blob: 5b081425b35a3328d6d65473daf54317355b2417 [file] [log] [blame]
# Copyright 2016 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Quick and not really nice docker_pull rules based on the docker daemon."""
def _impl(repository_ctx):
repository_ctx.file("BUILD", """
load("@io_bazel_rules_docker//docker:docker.bzl", "docker_build")
docker_build(
name = "image",
base = ":base.tar",
visibility = ["//visibility:public"],
)
""")
tag = repository_ctx.attr.tag
if repository_ctx.attr.dockerfile:
dockerfile = repository_ctx.path(repository_ctx.attr.dockerfile)
result = repository_ctx.execute([
"docker",
"build",
"-q",
"-t",
tag,
"-f",
dockerfile,
dockerfile.dirname,
])
else:
result = repository_ctx.execute(["docker", "pull", tag])
if result.return_code:
fail("docker build failed with error code %s:\n%s" % (
result.return_code,
result.stdout + result.stderr))
result = repository_ctx.execute([
"docker", "save", "-o", repository_ctx.path("base.tar"), tag])
if result.return_code:
fail("docker save failed with error code %s:\n%s" % (
result.return_code,
result.stderr))
docker_pull = repository_rule(
implementation = _impl,
attrs = {
"tag": attr.string(mandatory=True),
"dockerfile": attr.label(default=None),
},
)