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所以我正在尝试将微服务（C#、Go、NodeJS）的 monorepo 转换为使用 bazel。现在只是玩它。我专注于一次性服务以开始并将其隔离为工作空间。go 服务显然是使用 protobuf 的 gRPC 服务，带有 protoc-gen-swagger 的 grpc-gateway 和 protoc-gen-gorm（这个不支持 bazel）。

代码使用类似的命令构建go build cmd/server/server.go

我希望获得一些关于如何开始使用所有依赖项构建这个项目的指导。

我看到一些可用于 protobuf/go 的规则，但我还不习惯浏览它们或决定哪个更好（由于 grpc 网关或 protoc gen gorm，我无法正常工作） - https://github.com/stackb/ rules_proto - https://github.com/bazelbuild/rules_go - https://github.com/stackb/rules_proto/tree/master/github.com/grpc-ecosystem/grpc-gateway

代码结构如下所示：

/repo
   svc1
   svc2
   svc3
       cmd/server
           BUILD.bazel 
           server.go
       pkg
           contains folders and some go files and a BUILD.bazel in each
       proto
           BUILD.bazel
           test.proto
       WORKSPACE
       BUILD.bazel

现在我只在 svc3 上工作。稍后我可能会将 WORKSPACE 移动到父文件夹。

我的 WORKSPACE 看起来像这样：

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")

http_archive(
    name = "io_bazel_rules_go",
    sha256 = "96b1f81de5acc7658e1f5a86d7dc9e1b89bc935d83799b711363a748652c471a",
    urls = [
        "https://storage.googleapis.com/bazel-mirror/github.com/bazelbuild/rules_go/releases/download/0.19.2/rules_go-0.19.2.tar.gz",
        "https://github.com/bazelbuild/rules_go/releases/download/0.19.2/rules_go-0.19.2.tar.gz",
    ],
)

load("@io_bazel_rules_go//go:deps.bzl", "go_register_toolchains", "go_rules_dependencies")

go_rules_dependencies()

go_register_toolchains()

http_archive(
    name = "bazel_gazelle",
    urls = [
        "https://storage.googleapis.com/bazel-mirror/github.com/bazelbuild/bazel-gazelle/releases/download/0.18.1/bazel-gazelle-0.18.1.tar.gz",
        "https://github.com/bazelbuild/bazel-gazelle/releases/download/0.18.1/bazel-gazelle-0.18.1.tar.gz",
    ],
    sha256 = "be9296bfd64882e3c08e3283c58fcb461fa6dd3c171764fcc4cf322f60615a9b",
)

load("@bazel_gazelle//:deps.bzl", "gazelle_dependencies", "go_repository")

gazelle_dependencies()

load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")

git_repository(
    name = "com_google_protobuf",
    commit = "09745575a923640154bcf307fba8aedff47f240a",
    remote = "https://github.com/protocolbuffers/protobuf",
    shallow_since = "1558721209 -0700",
)

load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")

protobuf_deps()

+ a bunch of go_repository() created by Gazelle

运行瞪羚在每个文件夹中为我的 go 项目创建了一堆 build.bazel 文件。

在 .proto 旁边，我有一个生成的 build.bazel 文件：

load("@io_bazel_rules_go//go:def.bzl", "go_library")
load("@io_bazel_rules_go//proto:def.bzl", "go_proto_library")

proto_library(
    name = "svc_proto",
    srcs = ["test.proto"],
    visibility = ["//visibility:public"],
    deps = [
        # the two github below are referenced as go_repository
        "@com_github_infobloxopen_protoc_gen_gorm//options:proto_library", # not sure what to put after the colon
        "@com_github_grpc_ecosystem_grpc_gateway//protoc-gen-swagger/options:proto_library",
        "@go_googleapis//google/api:annotations_proto",
    ],
)

go_proto_library(
    name = "svc_go_proto",
    compilers = ["@io_bazel_rules_go//proto:go_grpc"],
    importpath = "src/test/proto/v1",
    proto = ":svc_proto",
    visibility = ["//visibility:public"],
    deps = [
        "//github.com/infobloxopen/protoc-gen-gorm/options:go_default_library",
        "//github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger/options:go_default_library",
        "@go_googleapis//google/api:annotations_go_proto",
    ],
)

go_library(
    name = "go_default_library",
    embed = [":svc_go_proto"],
    importpath = "src/test/proto/v1",
    visibility = ["//visibility:public"],
)

现在的问题：

  1. 不确定要引用其他原始文件的内容：“@com_github_infobloxopen_protoc_gen_gorm//options:proto_library”？并且不确定这是从 git 引用其他外部库的最佳方式。
  2. 如果我使用 bazel build //proto/v1:svc_proto 构建上述内容，我得到：没有这样的目标 '@com_github_grpc_ecosystem_grpc_gateway//protoc-gen-swagger/options:proto_library'：目标 'proto_library' 未在包 'protoc-gen 中声明-招摇/选项'。可能与1有关。
  3. 我不确定使用哪个规则。因为我需要 grpc 网关，所以我想我需要专门使用 https://github.com/stackb/rules_proto/tree/master/github.com/grpc-ecosystem/grpc-gateway 但我也不能让它们工作.
  4. 我使用 statik ( https://github.com/rakyll/statik ) 将 swagger 文件打包到 go to server the swagger 中。有没有其他选择，或者如果没有，我如何调用自定义 bash/命令作为链中构建过程的一部分？

总之，我很确定用于构建原型和库的 BUILD.bazel 文件的结构是错误的，并且希望得到一些最新的指导（github 上充满了过时的 repos，使用过时的规则或根本不工作）。

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