ci: remove ci workspace (envoyproxy#6229)

Description:
We no longer have prebuilt dependencies, so ci/WORKSPACE is no longer needed. Simplifies how CI runs.

Risk Level: Med for depending projects
Testing: CI
Docs Changes:
Release Notes:

Signed-off-by: Lizan Zhou <lizan@tetrate.io>

.bazelignore

@@ -0,0 +1,2 @@
+api
+examples/grpc-bridge/script

WORKSPACE

@@ -1,5 +1,9 @@
 workspace(name = "envoy")
 
+load("//bazel:api_repositories.bzl", "envoy_api_dependencies")
+
+envoy_api_dependencies()
+
 load("//bazel:repositories.bzl", "GO_VERSION", "envoy_dependencies")
 load("//bazel:cc_configure.bzl", "cc_configure")
 
@@ -11,10 +15,6 @@ rules_foreign_cc_dependencies()
 
 cc_configure()
 
-load("@envoy_api//bazel:repositories.bzl", "api_dependencies")
-
-api_dependencies()
-
 load("@io_bazel_rules_go//go:deps.bzl", "go_register_toolchains", "go_rules_dependencies")
 
 go_rules_dependencies()

bazel/api_repositories.bzl

@@ -0,0 +1,35 @@
+def _default_envoy_api_impl(ctx):
+    ctx.file("WORKSPACE", "")
+    ctx.file("BUILD.bazel", "")
+    api_dirs = [
+        "bazel",
+        "docs",
+        "envoy",
+        "examples",
+        "test",
+        "tools",
+    ]
+    for d in api_dirs:
+        ctx.symlink(ctx.path(ctx.attr.api).dirname.get_child(d), d)
+
+_default_envoy_api = repository_rule(
+    implementation = _default_envoy_api_impl,
+    attrs = {
+        "api": attr.label(default = "@envoy//api:BUILD"),
+    },
+)
+
+def envoy_api_dependencies():
+    # Treat the data plane API as an external repo, this simplifies exporting the API to
+    # https://github.com/envoyproxy/data-plane-api.
+    if "envoy_api" not in native.existing_rules().keys():
+        _default_envoy_api(name = "envoy_api")
+
+    native.bind(
+        name = "api_httpbody_protos",
+        actual = "@googleapis//:api_httpbody_protos",
+    )
+    native.bind(
+        name = "http_api_protos",
+        actual = "@googleapis//:http_api_protos",
+    )

bazel/repositories.bzl

@@ -1,13 +1,14 @@
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 load(":genrule_repository.bzl", "genrule_repository")
-load("//api/bazel:envoy_http_archive.bzl", "envoy_http_archive")
+load("@envoy_api//bazel:envoy_http_archive.bzl", "envoy_http_archive")
 load(":repository_locations.bzl", "REPOSITORY_LOCATIONS")
 load(
     "@bazel_tools//tools/cpp:windows_cc_configure.bzl",
     "find_vc_path",
     "setup_vc_env_vars",
 )
 load("@bazel_tools//tools/cpp:lib_cc_configure.bzl", "get_env_var")
+load("@envoy_api//bazel:repositories.bzl", "api_dependencies")
 
 # dict of {build recipe name: longform extension name,}
 PPC_SKIP_TARGETS = {"luajit": "envoy.filters.http.lua"}
@@ -38,27 +39,6 @@ _default_envoy_build_config = repository_rule(
     },
 )
 
-def _default_envoy_api_impl(ctx):
-    ctx.file("WORKSPACE", "")
-    ctx.file("BUILD.bazel", "")
-    api_dirs = [
-        "bazel",
-        "docs",
-        "envoy",
-        "examples",
-        "test",
-        "tools",
-    ]
-    for d in api_dirs:
-        ctx.symlink(ctx.path(ctx.attr.api).dirname.get_child(d), d)
-
-_default_envoy_api = repository_rule(
-    implementation = _default_envoy_api_impl,
-    attrs = {
-        "api": attr.label(default = "@envoy//api:BUILD"),
-    },
-)
-
 # Python dependencies. If these become non-trivial, we might be better off using a virtualenv to
 # wrap them, but for now we can treat them as first-class Bazel.
 def _python_deps():
@@ -94,6 +74,14 @@ def _python_deps():
         name = "com_github_twitter_common_finagle_thrift",
         build_file = "@envoy//bazel/external:twitter_common_finagle_thrift.BUILD",
     )
+    _repository_impl(
+        name = "six_archive",
+        build_file = "@com_google_protobuf//:six.BUILD",
+    )
+    native.bind(
+        name = "six",
+        actual = "@six_archive//:six",
+    )
 
 # Bazel native C++ dependencies. For the dependencies that doesn't provide autoconf/automake builds.
 def _cc_deps():
@@ -127,29 +115,6 @@ def _go_deps(skip_targets):
         _repository_impl("io_bazel_rules_go")
         _repository_impl("bazel_gazelle")
 
-def _envoy_api_deps():
-    # Treat the data plane API as an external repo, this simplifies exporting the API to
-    # https://github.com/envoyproxy/data-plane-api.
-    if "envoy_api" not in native.existing_rules().keys():
-        _default_envoy_api(name = "envoy_api")
-
-    native.bind(
-        name = "api_httpbody_protos",
-        actual = "@googleapis//:api_httpbody_protos",
-    )
-    native.bind(
-        name = "http_api_protos",
-        actual = "@googleapis//:http_api_protos",
-    )
-    _repository_impl(
-        name = "six_archive",
-        build_file = "@com_google_protobuf//:six.BUILD",
-    )
-    native.bind(
-        name = "six",
-        actual = "@six_archive//:six",
-    )
-
 def envoy_dependencies(skip_targets = []):
     # Treat Envoy's overall build config as an external repo, so projects that
     # build Envoy as a subcomponent can easily override the config.
@@ -207,7 +172,7 @@ def envoy_dependencies(skip_targets = []):
     _python_deps()
     _cc_deps()
     _go_deps(skip_targets)
-    _envoy_api_deps()
+    api_dependencies()
 
 def _boringssl():
     _repository_impl("boringssl")

ci/WORKSPACE.filter.example

@@ -5,6 +5,9 @@ local_repository(
     path = "/source",
 )
 
+load("@envoy//bazel:api_repositories.bzl", "envoy_api_dependencies")
+envoy_api_dependencies()
+
 load("@envoy//bazel:repositories.bzl", "envoy_dependencies", "GO_VERSION")
 load("@envoy//bazel:cc_configure.bzl", "cc_configure")
 
@@ -16,9 +19,6 @@ rules_foreign_cc_dependencies()
 
 cc_configure()
 
-load("@envoy_api//bazel:repositories.bzl", "api_dependencies")
-api_dependencies()
-
 load("@io_bazel_rules_go//go:deps.bzl", "go_register_toolchains", "go_rules_dependencies")
 go_rules_dependencies()
 go_register_toolchains(go_version = GO_VERSION)

ci/build_setup.sh

@@ -68,7 +68,6 @@ else
 fi
 
 # Not sandboxing, since non-privileged Docker can't do nested namespaces.
-BAZEL_OPTIONS="--package_path %workspace%:${ENVOY_SRCDIR}"
 export BAZEL_QUERY_OPTIONS="${BAZEL_OPTIONS}"
 export BAZEL_BUILD_OPTIONS="--strategy=Genrule=standalone --spawn_strategy=standalone \
   --verbose_failures ${BAZEL_OPTIONS} --action_env=HOME --action_env=PYTHONUSERBASE \
@@ -92,7 +91,7 @@ if [ "$1" != "-nofetch" ]; then
   then
     git clone https://github.com/envoyproxy/envoy-filter-example.git "${ENVOY_FILTER_EXAMPLE_SRCDIR}"
   fi
-  
+
   # This is the hash on https://github.com/envoyproxy/envoy-filter-example.git we pin to.
   (cd "${ENVOY_FILTER_EXAMPLE_SRCDIR}" && git fetch origin && git checkout -f 6c0625cb4cc9a21df97cef2a1d065463f2ae81ae)
   cp -f "${ENVOY_SRCDIR}"/ci/WORKSPACE.filter.example "${ENVOY_FILTER_EXAMPLE_SRCDIR}"/WORKSPACE
@@ -101,7 +100,6 @@ fi
 # Also setup some space for building Envoy standalone.
 export ENVOY_BUILD_DIR="${BUILD_DIR}"/envoy
 mkdir -p "${ENVOY_BUILD_DIR}"
-cp -f "${ENVOY_SRCDIR}"/ci/WORKSPACE "${ENVOY_BUILD_DIR}"
 
 # This is where we copy build deliverables to.
 export ENVOY_DELIVERY_DIR="${ENVOY_BUILD_DIR}"/source/exe
@@ -119,29 +117,17 @@ mkdir -p "${ENVOY_FAILED_TEST_LOGS}"
 export ENVOY_BUILD_PROFILE="${ENVOY_BUILD_DIR}"/generated/build-profile
 mkdir -p "${ENVOY_BUILD_PROFILE}"
 
-# This is where we build for bazel.release* and bazel.dev.
-export ENVOY_CI_DIR="${ENVOY_SRCDIR}"/ci
-
 function cleanup() {
   # Remove build artifacts. This doesn't mess with incremental builds as these
   # are just symlinks.
   rm -rf "${ENVOY_SRCDIR}"/bazel-*
-  rm -rf "${ENVOY_CI_DIR}"/bazel-*
-  rm -rf "${ENVOY_CI_DIR}"/bazel
-  rm -rf "${ENVOY_CI_DIR}"/tools
-  rm -f "${ENVOY_CI_DIR}"/.bazelrc
 }
 
 cleanup
 trap cleanup EXIT
 
-# Hack due to https://github.com/envoyproxy/envoy/issues/838 and the need to have
-# .bazelrc available for build linkstamping.
 mkdir -p "${ENVOY_FILTER_EXAMPLE_SRCDIR}"/bazel
-mkdir -p "${ENVOY_CI_DIR}"/bazel
 ln -sf "${ENVOY_SRCDIR}"/bazel/get_workspace_status "${ENVOY_FILTER_EXAMPLE_SRCDIR}"/bazel/
-ln -sf "${ENVOY_SRCDIR}"/bazel/get_workspace_status "${ENVOY_CI_DIR}"/bazel/
 cp -f "${ENVOY_SRCDIR}"/.bazelrc "${ENVOY_FILTER_EXAMPLE_SRCDIR}"/
-cp -f "${ENVOY_SRCDIR}"/.bazelrc "${ENVOY_CI_DIR}"/
 
 export BUILDIFIER_BIN="/usr/local/bin/buildifier"