bazel: update bazel to 0.29.1 (envoyproxy#8198)

Description:
Upgrade bazel to 0.29.1 and bazel-toolchains to corresponding version.

Risk Level: Low
Testing: CI
Docs Changes: N/A
Release Notes: N/A

Signed-off-by: Lizan Zhou <[email protected]>

.azure-pipelines/linux.yml

@@ -48,6 +48,13 @@ jobs:
     displayName: "Check disk space at end"
     condition: always()
 
+  - task: PublishTestResults@2
+    inputs:
+      testResultsFiles: '**/bazel-out/**/testlogs/**/test.xml'
+      testRunTitle: '$(CI_TARGET)'
+      searchFolder: $(Build.StagingDirectory)/tmp
+    condition: always()
+
   - task: PublishBuildArtifacts@1
     inputs:
       pathtoPublish: "$(Build.StagingDirectory)/envoy"

.bazelrc

@@ -124,13 +124,12 @@ build:remote --auth_enabled=true
 build:remote --experimental_inmemory_jdeps_files
 build:remote --experimental_inmemory_dotd_files
 build:remote --experimental_remote_download_outputs=toplevel
-test:remote --experimental_remote_download_outputs=minimal
 
 build:remote-clang --config=remote
 build:remote-clang --config=rbe-toolchain-clang
 
 # Docker sandbox
-build:docker-sandbox --experimental_docker_image=envoyproxy/envoy-build:8246167b9d238797cbc6c03dccc9e3921c37617d
+build:docker-sandbox --experimental_docker_image=envoyproxy/envoy-build@sha256:9236915d10004a35f2439ce4a1c33c1dbb06f95f84c4a4497d4e4f95cdc9e07f
 build:docker-sandbox --spawn_strategy=docker
 build:docker-sandbox --strategy=Javac=docker
 build:docker-sandbox --strategy=Closure=docker

.bazelversion

@@ -1 +1 @@
-0.28.1
+0.29.1

.circleci/config.yml

@@ -5,7 +5,7 @@ executors:
     description: "A regular build executor based on ubuntu image"
     docker:
       # NOTE: Update bazel/toolchains/rbe_toolchains_config.bzl with sha256 digest to match the image here.
-      - image: envoyproxy/envoy-build:cd8574de783791b3353579b489222bfda74888da
+      - image: envoyproxy/envoy-build:cb15cc3d2010aff77d6e022ddf6d723fa8becbc0
     resource_class: xlarge
     working_directory: /source
 

bazel/repository_locations.bzl

@@ -4,9 +4,12 @@ REPOSITORY_LOCATIONS = dict(
         urls = ["https://github.com/bazelbuild/bazel-gazelle/releases/download/0.18.1/bazel-gazelle-0.18.1.tar.gz"],
     ),
     bazel_toolchains = dict(
-        sha256 = "b72e7a911436b2900b05759a1fcd735070edbd4442f0a3506ef021fdcd6e15b3",
-        strip_prefix = "bazel-toolchains-0.28.5",
-        urls = ["https://github.com/bazelbuild/bazel-toolchains/archive/0.28.5.tar.gz"],
+        sha256 = "ab0d8aaeaeeef413ddb03922dbdb99bbae9e1b2c157a87c77d70d45a830be5b0",
+        strip_prefix = "bazel-toolchains-0.29.1",
+        urls = [
+            "https://github.com/bazelbuild/bazel-toolchains/releases/download/0.29.1/bazel-toolchains-0.29.1.tar.gz",
+            "https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/archive/0.29.1.tar.gz",
+        ],
     ),
     boringssl = dict(
         sha256 = "c712766ddc844de2a38e686e1cdd7288795e9a6fe7f699c6636f1b76703db84e",

bazel/toolchains/configs/clang/bazel_0.28.1/cc/BUILD → bazel/toolchains/configs/clang/bazel_0.29.1/cc/BUILD

@@ -18,6 +18,7 @@ package(default_visibility = ["//visibility:public"])
 
 load(":cc_toolchain_config.bzl", "cc_toolchain_config")
 load(":armeabi_cc_toolchain_config.bzl", "armeabi_cc_toolchain_config")
+load("@rules_cc//cc:defs.bzl", "cc_toolchain", "cc_toolchain_suite")
 
 licenses(["notice"])  # Apache 2.0
 
@@ -37,7 +38,7 @@ filegroup(
 
 filegroup(
     name = "compiler_deps",
-    srcs = glob(["extra_tools/**"], allow_empty = True) + [":empty"],
+    srcs = glob(["extra_tools/**"], allow_empty = True) + [":builtin_include_directory_paths"],
 )
 
 # This is the entry point for --crosstool_top.  Toolchains are found
@@ -111,7 +112,7 @@ cc_toolchain_config(
     "-fdata-sections"],
     dbg_compile_flags = ["-g"],
     cxx_flags = ["-std=c++0x"],
-    link_flags = ["-fuse-ld=gold",
+    link_flags = ["-fuse-ld=/usr/bin/ld.gold",
     "-Wl,-no-as-needed",
     "-Wl,-z,relro,-z,now",
     "-B/usr/lib/llvm-8/bin",

bazel/toolchains/configs/clang/bazel_0.29.1/cc/builtin_include_directory_paths

@@ -0,0 +1,14 @@
+This file is generated by cc_configure and contains builtin include directories
+that /usr/lib/llvm-8/bin/clang reported. This file is a dependency of every compilation action and
+changes to it will be reflected in the action cache key. When some of these
+paths change, Bazel will make sure to rerun the action, even though none of
+declared action inputs or the action commandline changes.
+
+/usr/local/include
+/usr/lib/llvm-8/lib/clang/8.0.1/include
+/usr/include/x86_64-linux-gnu
+/usr/include
+/usr/include/c++/7.4.0
+/usr/include/x86_64-linux-gnu/c++/7.4.0
+/usr/include/c++/7.4.0/backward
+/usr/include/clang/8.0.1/include