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[bazel] Switch from
rules_docker to rules_oci
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,156 @@ | ||
| # Copyright 2017 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. | ||
| """Rules for creating password files and entries.""" | ||
|
|
||
| load("@bazel_skylib//lib:paths.bzl", "paths") | ||
|
|
||
| _join_path = paths.join | ||
|
|
||
| PasswdFileContentProviderInfo = provider( | ||
| fields = [ | ||
| "username", | ||
| "uid", | ||
| "gid", | ||
| "info", | ||
| "home", | ||
| "create_home", | ||
| "shell", | ||
| "name", | ||
| ], | ||
| ) | ||
|
|
||
| def _passwd_entry_impl(ctx): | ||
| """Creates a passwd_file_content_provider containing a single entry.""" | ||
| return [PasswdFileContentProviderInfo( | ||
| username = ctx.attr.username, | ||
| uid = ctx.attr.uid, | ||
| gid = ctx.attr.gid, | ||
| info = ctx.attr.info, | ||
| home = ctx.attr.home, | ||
| create_home = ctx.attr.create_home, | ||
| shell = ctx.attr.shell, | ||
| name = ctx.attr.name, | ||
| )] | ||
|
|
||
| def _passwd_file_impl(ctx): | ||
| """Core implementation of passwd_file.""" | ||
| f = "".join(["%s:x:%s:%s:%s:%s:%s\n" % ( | ||
| entry[PasswdFileContentProviderInfo].username, | ||
| entry[PasswdFileContentProviderInfo].uid, | ||
| entry[PasswdFileContentProviderInfo].gid, | ||
| entry[PasswdFileContentProviderInfo].info, | ||
| entry[PasswdFileContentProviderInfo].home, | ||
| entry[PasswdFileContentProviderInfo].shell, | ||
| ) for entry in ctx.attr.entries]) | ||
| passwd_file = ctx.actions.declare_file(ctx.label.name) | ||
| ctx.actions.write(output = passwd_file, content = f) | ||
| return DefaultInfo(files = depset([passwd_file])) | ||
|
|
||
| def _format_onwer(t): | ||
| return ("--owners=%s=%s" % (t[0], t[1])) | ||
|
|
||
| def _build_homedirs_tar(ctx, passwd_file): | ||
| homedirs = [] | ||
| owners_map = {} | ||
| for entry in ctx.attr.entries: | ||
| if entry[PasswdFileContentProviderInfo].create_home: | ||
| homedir = entry[PasswdFileContentProviderInfo].home | ||
| owners_map[homedir] = "{uid}.{gid}".format( | ||
| uid = entry[PasswdFileContentProviderInfo].uid, | ||
| gid = entry[PasswdFileContentProviderInfo].gid, | ||
| ) | ||
| homedirs.append(homedir) | ||
| dest_file = _join_path( | ||
| ctx.attr.passwd_file_pkg_dir, | ||
| ctx.label.name, | ||
| ) | ||
| args = ctx.actions.args() | ||
| args.add(ctx.outputs.passwd_tar, format = "--output=%s") | ||
| args.add("--mode=0o700") | ||
| args.add(passwd_file, format = "--file=%s=" + dest_file) | ||
| args.add(dest_file, format = "--modes=%s=" + ctx.attr.passwd_file_mode) | ||
|
|
||
| args.add_all(homedirs, format_each = "--empty_dir=%s") | ||
| args.add_all(owners_map.items(), map_each = _format_onwer) | ||
| ctx.actions.run( | ||
| executable = ctx.executable.build_tar, | ||
| inputs = [passwd_file], | ||
| outputs = [ctx.outputs.passwd_tar], | ||
| mnemonic = "PasswdTar", | ||
| arguments = [args], | ||
| ) | ||
|
|
||
| def _passwd_tar_impl(ctx): | ||
| """Core implementation of passwd_tar.""" | ||
| f = "".join(["%s:x:%s:%s:%s:%s:%s\n" % ( | ||
| entry[PasswdFileContentProviderInfo].username, | ||
| entry[PasswdFileContentProviderInfo].uid, | ||
| entry[PasswdFileContentProviderInfo].gid, | ||
| entry[PasswdFileContentProviderInfo].info, | ||
| entry[PasswdFileContentProviderInfo].home, | ||
| entry[PasswdFileContentProviderInfo].shell, | ||
| ) for entry in ctx.attr.entries]) | ||
|
|
||
| passwd_file = ctx.actions.declare_file(ctx.label.name) | ||
| ctx.actions.write(output = passwd_file, content = f) | ||
|
|
||
| _build_homedirs_tar(ctx, passwd_file) | ||
|
|
||
| return DefaultInfo(files = depset([ctx.outputs.passwd_tar])) | ||
|
|
||
| passwd_entry = rule( | ||
| attrs = { | ||
| "create_home": attr.bool(default = True), | ||
| "gid": attr.int(default = 1000), | ||
| "home": attr.string(default = "/home"), | ||
| "info": attr.string(default = "user"), | ||
| "shell": attr.string(default = "/bin/bash"), | ||
| "uid": attr.int(default = 1000), | ||
| "username": attr.string(mandatory = True), | ||
| }, | ||
| implementation = _passwd_entry_impl, | ||
| ) | ||
|
|
||
| passwd_file = rule( | ||
| attrs = { | ||
| "entries": attr.label_list( | ||
| allow_empty = False, | ||
| providers = [PasswdFileContentProviderInfo], | ||
| ), | ||
| }, | ||
| executable = False, | ||
| implementation = _passwd_file_impl, | ||
| ) | ||
|
|
||
| passwd_tar = rule( | ||
| attrs = { | ||
| "build_tar": attr.label( | ||
| default = Label("//container:build_tar"), | ||
| cfg = "exec", | ||
| executable = True, | ||
| allow_files = True, | ||
| ), | ||
| "entries": attr.label_list( | ||
| allow_empty = False, | ||
| providers = [PasswdFileContentProviderInfo], | ||
| ), | ||
| "passwd_file_mode": attr.string(default = "0o644"), | ||
| "passwd_file_pkg_dir": attr.string(mandatory = True), | ||
| }, | ||
| executable = False, | ||
| outputs = { | ||
| "passwd_tar": "%{name}.tar", | ||
| }, | ||
| implementation = _passwd_tar_impl, | ||
| ) |
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