coverage: add coverage for c++ code

.github/workflows/core.yml

@@ -10,7 +10,7 @@ jobs:
   unittests:
     name: unit_tests
     runs-on: macOS-latest
-    timeout-minutes: 45
+    timeout-minutes: 60
     steps:
       - uses: actions/checkout@v1
         with:
@@ -22,7 +22,7 @@ jobs:
   tsan:
     name: tsan
     runs-on: ubuntu-18.04
-    timeout-minutes: 45
+    timeout-minutes: 60
     steps:
       - uses: actions/checkout@v1
         with:
@@ -38,7 +38,7 @@ jobs:
   asan:
     name: asan
     runs-on: ubuntu-18.04
-    timeout-minutes: 45
+    timeout-minutes: 60
     steps:
       - uses: actions/checkout@v1
         with:

.github/workflows/coverage.yml

@@ -0,0 +1,28 @@
+name: coverage
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    paths:
+      - 'library/common/**'
+      - 'test/**'
+
+jobs:
+  coverage:
+    name: coverage
+    runs-on: ubuntu-18.04
+    timeout-minutes: 60
+    steps:
+      - uses: actions/checkout@v1
+        with:
+          submodules: true
+      - name: 'Install dependencies'
+        run: ./ci/linux_ci_setup.sh
+      - name: 'Run coverage'
+        run: |
+          export PATH=/usr/lib/llvm-8/bin:$PATH
+          export CC=clang
+          export CXX=clang++
+          ./test/coverage/run_coverage.sh

.gitignore

@@ -1,3 +1,8 @@
+.aswb
+.DS_Store
+.idea
+.ijwb
+.vscode
 /bazel-*
 /build_*
 /dist/*pom.xml
@@ -7,15 +12,13 @@
 /dist/Envoy.framework
 /dist/*.asc
 /dist/*.sha256
-.DS_Store
 /generated
-.idea
-.ijwb
-.aswb
-*.pyc
-tags
+/test/coverage/BUILD
 /tmp
+*.pyc
 *.tulsiconf-user
-tulsi-workspace
-.vscode
 *.xcodeproj
+clang.bazelrc
+user.bazelrc
+tags
+tulsi-workspace

ci/linux_ci_setup.sh

@@ -32,6 +32,10 @@ sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-8 1
 sudo apt-get install gnupg2
 gpg --version
 
+# buildifier
+sudo wget -O /usr/local/bin/buildifier https://github.com/bazelbuild/buildtools/releases/download/2.2.1/buildifier
+sudo chmod +x /usr/local/bin/buildifier
+
 # bazelisk
 sudo wget -O /usr/local/bin/bazel https://github.com/bazelbuild/bazelisk/releases/download/v0.0.8/bazelisk-linux-amd64
 sudo chmod +x /usr/local/bin/bazel

test/coverage/run_coverage.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -e
+
+export REPOSITORY="@envoy"
+export EXTRA_QUERY_PATHS="//test/..."
+export BUILD_PATH="test/coverage/BUILD"
+export ONLY_EXTRA_QUERY_PATHS="true"
+
+envoy/test/run_envoy_bazel_coverage.sh

test/integration/dispatcher_integration_test.cc

@@ -68,7 +68,7 @@ class DispatcherIntegrationTest : public BaseIntegrationTest,
 
   static std::string bootstrap_config() {
     // At least one empty filter chain needs to be specified.
-    return ConfigHelper::BASE_CONFIG + R"EOF(
+    return ConfigHelper::baseConfig() + R"EOF(
     filter_chains:
       filters:
     )EOF";