docs: gRPC advanced guides (#3034)

Advanced guides

Provide snippets to quickly test and run client implementation with
bazel.

Signed-off-by: Aaron Pham <29749331+aarnphm@users.noreply.github.com>
Co-authored-by: Sean Sheng <s3sheng@gmail.com>

.bazelignore

@@ -0,0 +1,7 @@
+grpc-client/java/src/main/java/com/bentoml
+grpc-client/kotlin/src/main/kotlin/com/bentoml
+grpc-client/js/bentoml
+grpc-client/go/bentoml
+grpc-client/swift/Sources/bentoml
+**/*/node_modules
+grpc-client/thirdparty

.bazelrc

@@ -0,0 +1,3 @@
+# load bazelrc from the legacy location as recommended 
+# in https://github.com/bazelbuild/bazel/issues/6319
+import %workspace%/tools/bazel.rc

.gitignore

@@ -117,3 +117,35 @@ catboost_info
 
 # ignore pyvenv
 pyvenv.cfg
+
+# bazel generated files
+bazel-*
+cpp/bentoml
+go/bentoml
+node/bentoml
+node_modules
+thirdparty
+
+# Swift-related
+swift/**/*/bentoml
+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/
+DerivedData/
+.swiftpm/config/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc
+Package.resolved
+
+# Java-Kotlin
+**/*/java/**/*/bentoml
+**/*/kotlin/**/*/bentoml
+.gradle
+
+# PHP generated stubs
+**/*/php/Bentoml
+**/*/php/GPBMetadata
+composer.lock
+vendor

BUILD.bazel

@@ -0,0 +1,20 @@
+package(default_visibility = ["//visibility:public"])
+
+load("@com_github_bazelbuild_buildtools//buildifier:def.bzl", "buildifier")
+
+buildifier(
+    name = "buildifier",
+)
+
+# Create a generated proto library
+load("@rules_proto//proto:defs.bzl", "proto_library")
+
+proto_library(
+    name = "service_v1alpha1_proto",
+    srcs = ["bentoml/grpc/v1alpha1/service.proto"],
+    visibility = ["//grpc-client:__subpackages__"],
+    deps = [
+        "@com_google_protobuf//:struct_proto",
+        "@com_google_protobuf//:wrappers_proto",
+    ],
+)

DEVELOPMENT.md

@@ -450,5 +450,5 @@ your pull request.
 
 ## Documentations
 
-Refers to [BentoML Documentation Guide](./docs/README.md) for how to build and write
+Refer to [BentoML Documentation Guide](./docs/README.md) for how to build and write
 docs.

MANIFEST.in

@@ -5,6 +5,9 @@ exclude *.yml *.yaml
 exclude .git*
 exclude bentoml/grpc/buf.yaml
 exclude bentoml/_internal/frameworks/FRAMEWORK_TEMPLATE_PY
+exclude .bazelignore
+exclude .bazelrc
+exclude BUILD WORKSPACE
 
 # Directories to exclude in PyPI package
 prune .devcontainer
@@ -20,6 +23,8 @@ prune */__pycache__
 prune */.DS_Store
 prune */.ipynb_checkpoints
 prune **/*/README*
+prune bazel-*
+prune grpc-client
 
 # Patterns to exclude from any directory
 global-exclude *.py[cod]

Makefile

@@ -69,7 +69,7 @@ install-docs-deps: ## Install documentation dependencies
 
 # Docs
 watch-docs: install-docs-deps ## Build and watch documentation
-	sphinx-autobuild docs/source docs/build/html --watch $(GIT_ROOT)/bentoml
+	sphinx-autobuild docs/source docs/build/html --watch $(GIT_ROOT)/bentoml --ignore "bazel-*"
 spellcheck-docs: ## Spell check documentation
 	sphinx-build -b spelling ./docs/source ./docs/build || (echo "Error running spellchecker.. You may need to run 'make install-spellchecker-deps'"; exit 1)
 

WORKSPACE

@@ -0,0 +1,224 @@
+workspace(name = "bentoml")
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+# install buildifier
+http_archive(
+    name = "com_github_bazelbuild_buildtools",
+    sha256 = "ae34c344514e08c23e90da0e2d6cb700fcd28e80c02e23e4d5715dddcb42f7b3",
+    strip_prefix = "buildtools-4.2.2",
+    urls = [
+        "https://github.com/bazelbuild/buildtools/archive/refs/tags/4.2.2.tar.gz",
+    ],
+)
+
+# setup rules_proto and rules_proto_grpc
+http_archive(
+    name = "rules_proto",
+    sha256 = "e017528fd1c91c5a33f15493e3a398181a9e821a804eb7ff5acdd1d2d6c2b18d",
+    strip_prefix = "rules_proto-4.0.0-3.20.0",
+    urls = [
+        "https://github.com/bazelbuild/rules_proto/archive/refs/tags/4.0.0-3.20.0.tar.gz",
+    ],
+)
+
+http_archive(
+    name = "rules_proto_grpc",
+    sha256 = "507e38c8d95c7efa4f3b1c0595a8e8f139c885cb41a76cab7e20e4e67ae87731",
+    strip_prefix = "rules_proto_grpc-4.1.1",
+    urls = ["https://github.com/rules-proto-grpc/rules_proto_grpc/archive/4.1.1.tar.gz"],
+)
+
+load("@rules_proto//proto:repositories.bzl", "rules_proto_dependencies", "rules_proto_toolchains")
+load("@rules_proto_grpc//:repositories.bzl", "rules_proto_grpc_repos", "rules_proto_grpc_toolchains")
+
+rules_proto_grpc_toolchains()
+
+rules_proto_grpc_repos()
+
+rules_proto_dependencies()
+
+rules_proto_toolchains()
+
+# We need to load go_grpc rules first
+load("@rules_proto_grpc//:repositories.bzl", "bazel_gazelle", "io_bazel_rules_go")  # buildifier: disable=same-origin-load
+
+io_bazel_rules_go()
+
+bazel_gazelle()
+
+load("@rules_proto_grpc//go:repositories.bzl", rules_proto_grpc_go_repos = "go_repos")
+
+rules_proto_grpc_go_repos()
+
+load("@io_bazel_rules_go//go:deps.bzl", "go_register_toolchains", "go_rules_dependencies")
+
+go_rules_dependencies()
+
+go_register_toolchains(version = "1.19")
+
+# grpc/grpc dependencies
+# Currently c3714eced8c51db9092e0adc2a1dfb715655c795  address
+# some build issues with upb for C++.
+# TODO: Update this to v1.50.0 when 1.50.0 is out.
+http_archive(
+    name = "com_github_grpc_grpc",
+    strip_prefix = "grpc-c3714eced8c51db9092e0adc2a1dfb715655c795",
+    urls = [
+        "https://github.com/grpc/grpc/archive/c3714eced8c51db9092e0adc2a1dfb715655c795.tar.gz",
+    ],
+)
+
+# Override the abseil-cpp version defined in grpc_deps(), which doesn't work on latest macOS
+# Fixes https://github.com/bazelbuild/bazel/issues/15168
+# This section is excerpted from https://github.com/bazelbuild/bazel/blob/master/distdir_deps.bzl
+http_archive(
+    name = "com_google_absl",
+    sha256 = "dcf71b9cba8dc0ca9940c4b316a0c796be8fab42b070bb6b7cab62b48f0e66c4",
+    strip_prefix = "abseil-cpp-20211102.0",
+    urls = [
+        "https://mirror.bazel.build/github.com/abseil/abseil-cpp/archive/refs/tags/20211102.0.tar.gz",
+        "https://github.com/abseil/abseil-cpp/archive/refs/tags/20211102.0.tar.gz",
+    ],
+)
+
+# Projects using gRPC as an external dependency must call both grpc_deps() and
+# grpc_extra_deps().
+load("@com_github_grpc_grpc//bazel:grpc_deps.bzl", "grpc_deps")
+
+grpc_deps()
+
+load("@com_github_grpc_grpc//bazel:grpc_extra_deps.bzl", "grpc_extra_deps")
+
+grpc_extra_deps()
+
+load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")
+
+protobuf_deps()
+
+http_archive(
+    name = "com_google_googleapis",
+    sha256 = "5bb6b0253ccf64b53d6c7249625a7e3f6c3bc6402abd52d3778bfa48258703a0",
+    strip_prefix = "googleapis-2f9af297c84c55c8b871ba4495e01ade42476c92",
+    urls = [
+        "https://mirror.bazel.build/github.com/googleapis/googleapis/archive/2f9af297c84c55c8b871ba4495e01ade42476c92.tar.gz",
+        "https://github.com/googleapis/googleapis/archive/2f9af297c84c55c8b871ba4495e01ade42476c92.tar.gz",
+    ],
+)
+
+http_archive(
+    name = "upb",
+    sha256 = "03b642a535656560cd95cab3b26e8c53ce37e472307dce5bb7e47c9953bbca0f",
+    strip_prefix = "upb-e5f26018368b11aab672e8e8bb76513f3620c579",
+    urls = [
+        "https://mirror.bazel.build/github.com/protocolbuffers/upb/archive/e5f26018368b11aab672e8e8bb76513f3620c579.tar.gz",
+        "https://github.com/protocolbuffers/upb/archive/e5f26018368b11aab672e8e8bb76513f3620c579.tar.gz",
+    ],
+)
+
+http_archive(
+    name = "bazel_gazelle",
+    sha256 = "de69a09dc70417580aabf20a28619bb3ef60d038470c7cf8442fafcf627c21cb",
+    urls = [
+        "https://mirror.bazel.build/github.com/bazelbuild/bazel-gazelle/releases/download/v0.24.0/bazel-gazelle-v0.24.0.tar.gz",
+        "https://github.com/bazelbuild/bazel-gazelle/releases/download/v0.24.0/bazel-gazelle-v0.24.0.tar.gz",
+    ],
+)
+
+load("@bazel_gazelle//:deps.bzl", "gazelle_dependencies")
+
+gazelle_dependencies()
+
+# load python rules here
+# Using commit f0efec5cf8c0ae16483ee677a09ec70737a01bf5
+http_archive(
+    name = "rules_python",
+    strip_prefix = "rules_python-f0efec5cf8c0ae16483ee677a09ec70737a01bf5",
+    url = "https://github.com/bazelbuild/rules_python/archive/f0efec5cf8c0ae16483ee677a09ec70737a01bf5.zip",
+)
+
+load("@rules_python//python:pip.bzl", "pip_parse")
+
+pip_parse(
+    name = "bentoml_requirements",
+    requirements_lock = "//grpc-client/python:requirements.lock.txt",
+)
+
+# Load the starlark macro which will define your dependencies.
+load("@bentoml_requirements//:requirements.bzl", "install_deps")
+
+# Call it to define repos for your requirements.
+install_deps()
+
+# io_grpc_grpc_java is for java_grpc_library and related dependencies.
+# Using commit 0cda133c52ed937f9b0a19bcbfc36bf2892c7aa8
+http_archive(
+    name = "io_grpc_grpc_java",
+    sha256 = "35189faf484096c9eb2928c43b39f2457d1ca39046704ba8c65a69482f8ceed5",
+    strip_prefix = "grpc-java-0cda133c52ed937f9b0a19bcbfc36bf2892c7aa8",
+    urls = ["https://github.com/grpc/grpc-java/archive/0cda133c52ed937f9b0a19bcbfc36bf2892c7aa8.tar.gz"],
+)
+
+http_archive(
+    name = "rules_jvm_external",
+    sha256 = "c21ce8b8c4ccac87c809c317def87644cdc3a9dd650c74f41698d761c95175f3",
+    strip_prefix = "rules_jvm_external-1498ac6ccd3ea9cdb84afed65aa257c57abf3e0a",
+    url = "https://github.com/bazelbuild/rules_jvm_external/archive/1498ac6ccd3ea9cdb84afed65aa257c57abf3e0a.zip",
+)
+
+load("@rules_jvm_external//:defs.bzl", "maven_install")
+load("@io_grpc_grpc_java//:repositories.bzl", "IO_GRPC_GRPC_JAVA_ARTIFACTS", "IO_GRPC_GRPC_JAVA_OVERRIDE_TARGETS", "grpc_java_repositories")
+
+IO_GRPC_GRPC_KOTLIN_ARTIFACTS = [
+    "com.squareup:kotlinpoet:1.11.0",
+    "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.2",
+    "org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.6.2",
+    "org.jetbrains.kotlinx:kotlinx-coroutines-debug:1.6.2",
+]
+
+maven_install(
+    artifacts = [
+        "com.google.jimfs:jimfs:1.1",
+        "com.google.truth.extensions:truth-proto-extension:1.0.1",
+        "com.google.protobuf:protobuf-kotlin:3.18.0",
+    ] + IO_GRPC_GRPC_KOTLIN_ARTIFACTS + IO_GRPC_GRPC_JAVA_ARTIFACTS,
+    generate_compat_repositories = True,
+    override_targets = IO_GRPC_GRPC_JAVA_OVERRIDE_TARGETS,
+    repositories = [
+        "https://repo.maven.apache.org/maven2/",
+    ],
+)
+
+load("@maven//:compat.bzl", "compat_repositories")
+
+compat_repositories()
+
+grpc_java_repositories()
+
+# loading kotlin rules
+# first to load grpc/grpc-kotlin
+http_archive(
+    name = "com_github_grpc_grpc_kotlin",
+    sha256 = "b1ec1caa5d81f4fa4dca0662f8112711c82d7db6ba89c928ca7baa4de50afbb2",
+    strip_prefix = "grpc-kotlin-a1659c1b3fb665e01a6854224c7fdcafc8e54d56",
+    urls = ["https://github.com/grpc/grpc-kotlin/archive/a1659c1b3fb665e01a6854224c7fdcafc8e54d56.tar.gz"],
+)
+
+http_archive(
+    name = "io_bazel_rules_kotlin",
+    sha256 = "a57591404423a52bd6b18ebba7979e8cd2243534736c5c94d35c89718ea38f94",
+    urls = ["https://github.com/bazelbuild/rules_kotlin/releases/download/v1.6.0/rules_kotlin_release.tgz"],
+)
+
+load("@io_bazel_rules_kotlin//kotlin:repositories.bzl", "kotlin_repositories")
+
+kotlin_repositories()
+
+load("@io_bazel_rules_kotlin//kotlin:core.bzl", "kt_register_toolchains")
+
+kt_register_toolchains()
+
+# swift rules
+# TODO: Currently fails at detecting compiled gRPC swift library
+# Since CgRPC is deprecated, seems like no rules are being maintained
+# for the newer swift implementation.