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examples: Add http-filter-cc using bzlmod
Signed-off-by: Ryan Northey <[email protected]>
1 parent 2d56886 commit e3eba93

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‎.bazelignore‎

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.github
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http-filter-cc
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node_modules
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wasm-cc

‎.github/workflows/_verify_filters.yml‎

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name: Verify/Filters
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permissions:
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contents: read
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on:
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workflow_call:
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jobs:
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http-filter-cc:
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permissions:
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packages: read
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contents: read
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runs-on: ubuntu-24.04
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steps:
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- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
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- run: |
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docker pull envoyproxy/envoy:dev
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DEV_CONTAINER_ID=$(docker inspect --format='{{.Id}}' envoyproxy/envoy:dev)
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echo "DEV_CONTAINER_ID=${DEV_CONTAINER_ID}" >> $GITHUB_ENV
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- run: |
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echo "build --config=rbe" > repo.bazelrc
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echo "build --config=ci" >> repo.bazelrc
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./verify.sh
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working-directory: http-filter-cc
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env:
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GITHUB_TOKEN: ${{ github.token }}

‎.github/workflows/verify.yml‎

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uses: ./.github/workflows/_verify_examples.yml
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wasm:
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uses: ./.github/workflows/_verify_wasm.yml
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filters:
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uses: ./.github/workflows/_verify_filters.yml
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permissions:
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packages: read
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contents: read

‎http-filter-cc/.bazelrc‎

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#############################################################################
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# startup
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#############################################################################
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startup --host_jvm_args=-Xmx3g
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#############################################################################
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# global
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#############################################################################
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build --color=yes
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fetch --color=yes
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run --color=yes
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common --enable_bzlmod
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common --noenable_workspace
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common --@envoy//bazel:enable_bzlmod=True
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common --registry=https://bcr.bazel.build/
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common --registry=https://raw.githubusercontent.com/envoyproxy/toolshed/942638ee2c00a3b1d732c4625aa8ce5da81a1f5b/bazel-registry
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common --registry=https://raw.githubusercontent.com/phlax/bazel-central-registry/b739c7fa56b971d695af9600b88099236dcfef76
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# build --workspace_status_command="bash get_workspace_status"
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build --incompatible_strict_action_env
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# Global C++ standard and common warning suppressions
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build --cxxopt=-std=c++20 --host_cxxopt=-std=c++20
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build --copt=-Wno-deprecated-declarations
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build --define envoy_mobile_listener=enabled
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build --experimental_repository_downloader_retries=2
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build --experimental_cc_static_library
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build --enable_platform_specific_config
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build --incompatible_merge_fixed_and_default_shell_env
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build --jobs=HOST_CPUS*.8
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build --verbose_failures
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common --@rules_python//python/config_settings:bootstrap_impl=script
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build --incompatible_default_to_explicit_init_py
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# proxy-wasm-cpp-host
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common --@proxy-wasm-cpp-host//bazel:crypto_lib=@envoy//bazel:crypto
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build --@googleurl//build_config:system_icu=0
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#############################################################################
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# ci
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#############################################################################
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common:ci --noshow_progress
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common:ci --noshow_loading_progress
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common:ci --test_output=errors
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build:remote-ci --config=ci
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build:remote-ci --remote_download_minimal
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#############################################################################
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# compiler
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#############################################################################
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# Common flags for Clang (shared between all clang variants)
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common:clang-common --linkopt=-fuse-ld=lld
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common:clang-common --@toolchains_llvm//toolchain/config:compiler-rt=false
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common:clang-common --@toolchains_llvm//toolchain/config:libunwind=false
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# Clang with libc++ (default)
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common:clang --config=clang-common
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common:clang --config=libc++
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common:clang --host_platform=@clang_platform
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common:clang --repo_env=BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN=1
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# Clang installed to non-standard location (ie not /opt/llvm/)
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common:clang-local --config=clang-common
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common:clang-local --config=libc++
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# libc++ - default for clang
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common:libc++ --action_env=CXXFLAGS=-stdlib=libc++
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common:libc++ --action_env=LDFLAGS="-stdlib=libc++ -fuse-ld=lld"
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common:libc++ --action_env=BAZEL_CXXOPTS=-stdlib=libc++
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common:libc++ --action_env=BAZEL_LINKLIBS=-l%:libc++.a:-l%:libc++abi.a
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common:libc++ --action_env=BAZEL_LINKOPTS=-lm:-pthread
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common:libc++ --define force_libcpp=enabled
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common:libc++ --@envoy//bazel:libc++=true
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#############################################################################
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# remote
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#############################################################################
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build:remote --spawn_strategy=remote,sandboxed,local
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build:remote --strategy=Javac=remote,sandboxed,local
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build:remote --strategy=Closure=remote,sandboxed,local
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build:remote --strategy=Genrule=remote,sandboxed,local
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build:remote --action_env=BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN=1
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## RBE (Engflow Envoy)
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# this is not included in the `--config=rbe` target - set it to publish to engflow ui
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common:bes --bes_backend=grpcs://mordenite.cluster.engflow.com/
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common:bes --bes_results_url=https://mordenite.cluster.engflow.com/invocation/
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common:bes --bes_timeout=3600s
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common:bes --bes_upload_mode=fully_async
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common:bes --nolegacy_important_outputs
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common:engflow-common --google_default_credentials=false
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common:engflow-common --credential_helper=*.engflow.com=%workspace%/engflow-bazel-credential-helper.sh
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common:engflow-common --grpc_keepalive_time=60s
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common:engflow-common --grpc_keepalive_timeout=30s
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common:engflow-common --remote_cache_compression
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# this provides access to RBE+cache
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common:rbe --config=remote-cache
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common:rbe --config=remote-exec
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# this provides access to just cache
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common:remote-cache --config=engflow-common
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common:remote-cache --remote_cache=grpcs://mordenite.cluster.engflow.com
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common:remote-cache --remote_timeout=3600s
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common:remote-exec --remote_executor=grpcs://mordenite.cluster.engflow.com
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common:remote-exec --jobs=200
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common:remote-exec --define=engflow_rbe=true
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try-import %workspace%/repo.bazelrc

‎http-filter-cc/.bazelversion‎

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7.6.2

‎http-filter-cc/BUILD‎

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load("@envoy//bazel:envoy_build_system.bzl", "envoy_cc_binary", "envoy_cc_library")
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load("@envoy_api//bazel:api_build_system.bzl", "api_proto_package")
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load("@rules_pkg//pkg:pkg.bzl", "pkg_tar")
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licenses(["notice"]) # Apache 2
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package(default_visibility = ["//visibility:public"])
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api_proto_package()
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envoy_cc_library(
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name = "http_filter_lib",
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srcs = ["http_filter.cc"],
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hdrs = ["http_filter.h"],
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repository = "@envoy",
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deps = [
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":pkg_cc_proto",
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"@envoy//source/extensions/filters/http/common:pass_through_filter_lib",
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],
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)
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envoy_cc_library(
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name = "http_filter_config",
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srcs = ["http_filter_config.cc"],
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repository = "@envoy",
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deps = [
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":http_filter_lib",
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"@envoy//envoy/server:filter_config_interface",
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],
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)
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envoy_cc_binary(
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name = "envoy",
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repository = "@envoy",
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deps = [
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":http_filter_config",
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"@envoy//source/exe:envoy_main_entry_lib",
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],
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)
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filegroup(
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name = "files",
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srcs = glob(
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["**/*"],
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exclude = [
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"**/*~",
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"**/.*",
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".*/**/*",
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"BUILD",
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"README.md",
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"WORKSPACE",
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],
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),
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)
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pkg_tar(
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name = "includes",
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srcs = [":files"],
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package_dir = "_include/http-filter-cc",
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visibility = ["//visibility:public"],
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)

‎http-filter-cc/BUILD.bazel‎

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load("@envoy//bazel:envoy_build_system.bzl", "envoy_cc_binary")
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load("@rules_pkg//pkg:pkg.bzl", "pkg_tar")
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licenses(["notice"]) # Apache 2
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package(default_visibility = ["//visibility:public"])
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# Custom Envoy binary with the sample filter statically linked
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envoy_cc_binary(
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name = "envoy",
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repository = "@envoy",
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deps = [
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"//factory:factory_lib",
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"@envoy//source/exe:envoy_main_entry_lib",
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],
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)
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filegroup(
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name = "files",
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srcs = glob(
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["**/*"],
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exclude = [
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"**/*~",
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"**/.*",
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".*/**/*",
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"BUILD.bazel",
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"README.md",
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],
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),
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)
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pkg_tar(
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name = "includes",
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srcs = [":files"],
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package_dir = "_include/http-filter-cc",
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visibility = ["//visibility:public"],
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)

‎http-filter-cc/Dockerfile‎

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FROM envoyproxy/envoy-build:ci-cdfbb76bc18c115270127132c6f7c67000cd2e74@sha256:48a8b1bc24ed771560126642dcbba33c50c6b837722ba9c75270b858ef7ab3a6 AS builder
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WORKDIR /build
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COPY --chmod=755 . /build
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ARG GITHUB_TOKEN
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ENV GITHUB_TOKEN="${GITHUB_TOKEN:-}"
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RUN bazel --version \
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&& bazel build --config=clang //:envoy
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FROM envoyproxy/envoy:dev
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COPY --from=builder /build/bazel-bin/envoy /usr/local/bin/envoy
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COPY envoy.yaml /etc/envoy/envoy.yaml
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CMD ["/usr/local/bin/envoy", "-c", "/etc/envoy/envoy.yaml"]

‎http-filter-cc/MODULE.bazel‎

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module(
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name = "envoy_example_http_filter_cc",
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version = "0.1.0-dev",
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)
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bazel_dep(name = "bazel_skylib", version = "1.8.2")
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bazel_dep(name = "envoy", version = "1.36.4-dev")
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bazel_dep(name = "envoy_api", version = "1.36.4-dev")
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bazel_dep(name = "googleapis", version = "0.0.0-20251003-2193a2bf")
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bazel_dep(name = "googleurl", version = "0.0.0-221103-dd4080f.envoy")
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bazel_dep(name = "platforms", version = "1.0.0")
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bazel_dep(name = "protobuf", version = "33.4.envoy", repo_name = "com_google_protobuf")
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bazel_dep(name = "protoc-gen-validate", version = "1.3.0.envoy", repo_name = "com_envoyproxy_protoc_gen_validate")
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bazel_dep(name = "proxy-wasm-cpp-host", version = "0.0.0-260115-beb8a4e.envoy")
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bazel_dep(name = "re2", version = "2024-07-02.bcr.1")
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bazel_dep(name = "rules_go", version = "0.59.0", repo_name = "io_bazel_rules_go")
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bazel_dep(name = "rules_pkg", version = "1.1.0")
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bazel_dep(name = "rules_python", version = "1.7.0")
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bazel_dep(name = "toolchains_llvm", version = "1.6.0.envoy", dev_dependency = True)
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bazel_dep(name = "zipkin-api", version = "1.0.0.envoy")
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git_override(
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module_name = "envoy",
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commit = "e1d1bcc84e310bc35d46bb2d78297159fc4f3e9f",
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remote = "https://github.com/envoyproxy/envoy",
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)
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git_override(
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module_name = "envoy_api",
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commit = "e1d1bcc84e310bc35d46bb2d78297159fc4f3e9f",
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remote = "https://github.com/envoyproxy/envoy",
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strip_prefix = "api",
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)
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# needed to resolve conflict grpc <> flatbuffers
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single_version_override(
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module_name = "rules_swift",
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version = "2.4.0",
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)
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python = use_extension("@rules_python//python/extensions:python.bzl", "python")
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python.toolchain(
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is_default = True,
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python_version = "3.12",
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)
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use_repo(
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python,
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"python_3_12",
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python = "python_versions",
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)
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go_sdk = use_extension("@io_bazel_rules_go//go:extensions.bzl", "go_sdk")
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go_sdk.download(
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name = "go_sdk",
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version = "1.24.6",
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)
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use_repo(
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go_sdk,
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"go_toolchains",
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"io_bazel_rules_nogo",
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)
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register_toolchains("@go_toolchains//:all")
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envoy_toolchains_ext = use_extension("@envoy//bazel:extensions.bzl", "envoy_toolchains_extension")
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use_repo(envoy_toolchains_ext, "clang_platform")

‎http-filter-cc/api/BUILD.bazel‎

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load("@envoy_api//bazel:api_build_system.bzl", "api_proto_package")
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licenses(["notice"]) # Apache 2
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api_proto_package()

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