Add plugins (#27)

.gitignore

@@ -1,5 +1,9 @@
 external
 out
 *.tgz
-
+*.wasm
 .idea/
+bazel-bin
+bazel-out
+bazel-testlogs
+bazel-wasm-cpp

.licenserc.yaml

@@ -19,6 +19,7 @@ header:
     - 'Makefile*'
     - 'script/**'
     - '.gitmodules'
+    - 'plugins/**'
 
   comment: on-failure
 dependency:

Makefile

@@ -1,3 +1,24 @@
+# WARNING: DO NOT EDIT, THIS FILE IS PROBABLY A COPY
+#
+# The original version of this file is located in the https://github.com/istio/common-files repo.
+# If you're looking at this file in a different repo and want to make a change, please go to the
+# common-files repo, make the change there and check it in. Then come back to this repo and run
+# "make update-common".
+
+# Copyright Istio Authors
+#
+# 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.
+
 SHELL := /bin/bash
 
 # allow optional per-repo overrides

Makefile.overrides.mk

@@ -1,3 +1,17 @@
+# Copyright 2019 Istio Authors
+#
+# 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.
+
 .DEFAULT_GOAL := default
 
 # This repository has been enabled for BUILD_WITH_CONTAINER=1. Some

docker/docker-copy.sh

@@ -1,5 +1,19 @@
 #!/bin/bash
 
+# Copyright 2019 Istio Authors
+#
+# 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.
+
 INPUTS=("${@}")
 TARGET_ARCH=${TARGET_ARCH:-amd64}
 DOCKER_WORKING_DIR=${INPUTS[${#INPUTS[@]}-1]}

docker/docker.mk

@@ -1,3 +1,17 @@
+## Copyright 2018 Istio Authors
+##
+## 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.
+
 docker.higress: BUILD_ARGS=--build-arg BASE_VERSION=${BASE_VERSION} --build-arg HUB=${HUB}
 docker.higress: $(OUT_LINUX)/higress
 docker.higress: docker/Dockerfile.higress

plugins/wasm-cpp/WORKSPACE

@@ -0,0 +1,55 @@
+workspace(name = "istio_ecosystem_wasm_extensions")
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load("//bazel:third_party.bzl", "wasm_extension_dependency")
+
+wasm_extension_dependency()
+
+load(
+    "@io_bazel_rules_docker//repositories:repositories.bzl",
+    container_repositories = "repositories",
+)
+
+container_repositories()
+
+load("@io_bazel_rules_docker//repositories:deps.bzl", container_deps = "deps")
+
+container_deps()
+
+PROXY_WASM_CPP_SDK_SHA = "fd0be8405db25de0264bdb78fae3a82668c03782"
+
+PROXY_WASM_CPP_SDK_SHA256 = "c57de2425b5c61d7f630c5061e319b4557ae1f1c7526e5a51c33dc1299471b08"
+
+http_archive(
+    name = "proxy_wasm_cpp_sdk",
+    sha256 = PROXY_WASM_CPP_SDK_SHA256,
+    strip_prefix = "proxy-wasm-cpp-sdk-" + PROXY_WASM_CPP_SDK_SHA,
+    url = "https://github.com/proxy-wasm/proxy-wasm-cpp-sdk/archive/" + PROXY_WASM_CPP_SDK_SHA + ".tar.gz",
+)
+
+load("@proxy_wasm_cpp_sdk//bazel/dep:deps.bzl", "wasm_dependencies")
+
+wasm_dependencies()
+
+load("@proxy_wasm_cpp_sdk//bazel/dep:deps_extra.bzl", "wasm_dependencies_extra")
+
+wasm_dependencies_extra()
+
+load("@istio_ecosystem_wasm_extensions//bazel:wasm.bzl", "wasm_libraries")
+
+wasm_libraries()
+
+# To import proxy wasm cpp host, which will be used in unit testing.
+load("@proxy_wasm_cpp_host//bazel:repositories.bzl", "proxy_wasm_cpp_host_repositories")
+
+proxy_wasm_cpp_host_repositories()
+
+load("@proxy_wasm_cpp_host//bazel:dependencies.bzl", "proxy_wasm_cpp_host_dependencies")
+
+proxy_wasm_cpp_host_dependencies()
+
+http_archive(
+    name = "bazel_compdb",
+    strip_prefix = "bazel-compilation-database-0.5.2",
+    urls = ["https://github.com/grailbio/bazel-compilation-database/archive/0.5.2.tar.gz"],
+)

plugins/wasm-cpp/bazel/absl.patch

@@ -0,0 +1,31 @@
+diff --git a/absl/time/internal/cctz/src/time_zone_format.cc b/absl/time/internal/cctz/src/time_zone_format.cc
+index d8cb047..0c5f182 100644
+--- a/absl/time/internal/cctz/src/time_zone_format.cc
++++ b/absl/time/internal/cctz/src/time_zone_format.cc
+@@ -18,6 +18,8 @@
+ #endif
+ #endif
+
++#define HAS_STRPTIME 0
++
+ #if defined(HAS_STRPTIME) && HAS_STRPTIME
+ #if !defined(_XOPEN_SOURCE)
+ #define _XOPEN_SOURCE  // Definedness suffices for strptime.
+@@ -58,7 +60,7 @@ namespace {
+
+ #if !HAS_STRPTIME
+ // Build a strptime() using C++11's std::get_time().
+-char* strptime(const char* s, const char* fmt, std::tm* tm) {
++char* strptime_local(const char* s, const char* fmt, std::tm* tm) {
+   std::istringstream input(s);
+   input >> std::get_time(tm, fmt);
+   if (input.fail()) return nullptr;
+@@ -648,7 +650,7 @@ const char* ParseSubSeconds(const char* dp, detail::femtoseconds* subseconds) {
+ // Parses a string into a std::tm using strptime(3).
+ const char* ParseTM(const char* dp, const char* fmt, std::tm* tm) {
+   if (dp != nullptr) {
+-    dp = strptime(dp, fmt, tm);
++    dp = strptime_local(dp, fmt, tm);
+   }
+   return dp;
+ }

plugins/wasm-cpp/bazel/boringssl.patch

@@ -0,0 +1,50 @@
+diff --git a/src/crypto/fipsmodule/rand/internal.h b/src/crypto/fipsmodule/rand/internal.h
+index 127e5d1..87fc6f0 100644
+--- a/src/crypto/fipsmodule/rand/internal.h
++++ b/src/crypto/fipsmodule/rand/internal.h
+@@ -27,7 +27,7 @@ extern "C" {
+
+
+ #if !defined(OPENSSL_WINDOWS) && !defined(OPENSSL_FUCHSIA) && \
+-    !defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE) && !defined(OPENSSL_TRUSTY)
++  !defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE) && !defined(OPENSSL_TRUSTY) && !defined(__EMSCRIPTEN__)
+ #define OPENSSL_URANDOM
+ #endif
+
+diff --git a/src/crypto/internal.h b/src/crypto/internal.h
+index b288583..b2e9321 100644
+--- a/src/crypto/internal.h
++++ b/src/crypto/internal.h
+@@ -130,6 +130,10 @@
+ #endif
+ #endif
+
++#if defined(__EMSCRIPTEN__)
++#undef OPENSSL_THREADS
++#endif
++
+ #if defined(OPENSSL_THREADS) && \
+     (!defined(OPENSSL_WINDOWS) || defined(__MINGW32__))
+ #include <pthread.h>
+@@ -493,7 +497,7 @@ OPENSSL_EXPORT void CRYPTO_once(CRYPTO_once_t *once, void (*init)(void));
+
+ // Automatically enable C11 atomics if implemented.
+ #if !defined(OPENSSL_C11_ATOMIC) && !defined(__STDC_NO_ATOMICS__) && \
+-    defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
++    defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L && !defined(__EMSCRIPTEN__)
+ #define OPENSSL_C11_ATOMIC
+ #endif
+
+diff --git a/src/crypto/rand_extra/deterministic.c b/src/crypto/rand_extra/deterministic.c
+index 435f063..13a77db 100644
+--- a/src/crypto/rand_extra/deterministic.c
++++ b/src/crypto/rand_extra/deterministic.c
+@@ -14,7 +14,7 @@
+
+ #include <openssl/rand.h>
+
+-#if defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE)
++#if defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE) || defined(__EMSCRIPTEN__)
+
+ #include <string.h>
+

plugins/wasm-cpp/bazel/re2.patch

@@ -0,0 +1,53 @@
+diff --git a/util/mutex.h b/util/mutex.h
+index e2a8715..4031804 100644
+--- a/util/mutex.h
++++ b/util/mutex.h
+@@ -28,10 +28,10 @@
+ #if defined(MUTEX_IS_WIN32_SRWLOCK)
+ #include <windows.h>
+ typedef SRWLOCK MutexType;
+-#elif defined(MUTEX_IS_PTHREAD_RWLOCK)
+-#include <pthread.h>
+-#include <stdlib.h>
+-typedef pthread_rwlock_t MutexType;
++// #elif defined(MUTEX_IS_PTHREAD_RWLOCK)
++// #include <pthread.h>
++// #include <stdlib.h>
++// typedef pthread_rwlock_t MutexType;
+ #else
+ #include <mutex>
+ typedef std::mutex MutexType;
+@@ -73,21 +73,21 @@ void Mutex::Unlock()       { ReleaseSRWLockExclusive(&mutex_); }
+ void Mutex::ReaderLock()   { AcquireSRWLockShared(&mutex_); }
+ void Mutex::ReaderUnlock() { ReleaseSRWLockShared(&mutex_); }
+
+-#elif defined(MUTEX_IS_PTHREAD_RWLOCK)
++// #elif defined(MUTEX_IS_PTHREAD_RWLOCK)
+
+-#define SAFE_PTHREAD(fncall)    \
+-  do {                          \
+-    if ((fncall) != 0) abort(); \
+-  } while (0)
++// #define SAFE_PTHREAD(fncall)    \
++//   do {                          \
++//     if ((fncall) != 0) abort(); \
++//   } while (0)
+
+-Mutex::Mutex()             { SAFE_PTHREAD(pthread_rwlock_init(&mutex_, NULL)); }
+-Mutex::~Mutex()            { SAFE_PTHREAD(pthread_rwlock_destroy(&mutex_)); }
+-void Mutex::Lock()         { SAFE_PTHREAD(pthread_rwlock_wrlock(&mutex_)); }
+-void Mutex::Unlock()       { SAFE_PTHREAD(pthread_rwlock_unlock(&mutex_)); }
+-void Mutex::ReaderLock()   { SAFE_PTHREAD(pthread_rwlock_rdlock(&mutex_)); }
+-void Mutex::ReaderUnlock() { SAFE_PTHREAD(pthread_rwlock_unlock(&mutex_)); }
++// Mutex::Mutex()             { SAFE_PTHREAD(pthread_rwlock_init(&mutex_, NULL)); }
++// Mutex::~Mutex()            { SAFE_PTHREAD(pthread_rwlock_destroy(&mutex_)); }
++// void Mutex::Lock()         { SAFE_PTHREAD(pthread_rwlock_wrlock(&mutex_)); }
++// void Mutex::Unlock()       { SAFE_PTHREAD(pthread_rwlock_unlock(&mutex_)); }
++// void Mutex::ReaderLock()   { SAFE_PTHREAD(pthread_rwlock_rdlock(&mutex_)); }
++// void Mutex::ReaderUnlock() { SAFE_PTHREAD(pthread_rwlock_unlock(&mutex_)); }
+
+-#undef SAFE_PTHREAD
++// #undef SAFE_PTHREAD
+
+ #else
+

plugins/wasm-cpp/bazel/third_party.bzl

@@ -0,0 +1,10 @@
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+def wasm_extension_dependency():
+    # Need to push Wasm OCI images
+    http_archive(
+        name = "io_bazel_rules_docker",
+        sha256 = "92779d3445e7bdc79b961030b996cb0c91820ade7ffa7edca69273f404b085d5",
+        strip_prefix = "rules_docker-0.20.0",
+        urls = ["https://github.com/bazelbuild/rules_docker/releases/download/v0.20.0/rules_docker-v0.20.0.tar.gz"],
+    )