Add a docker based integration test

Signed-off-by: Davanum Srinivas <davanum@gmail.com>

.gitignore

@@ -2,6 +2,9 @@ cadvisor
 /release
 .vscode
 
+# Log files
+*.log
+
 # Go test binaries
 *.test
 

Makefile

@@ -37,6 +37,9 @@ test-integration:
 	go test -c github.com/google/cadvisor/integration/tests/healthz
 	@./build/integration.sh
 
+docker-test-integration:
+	@./build/integration-in-docker.sh
+
 test-runner:
 	@$(GO) build github.com/google/cadvisor/integration/runner
 
@@ -78,4 +81,7 @@ presubmit: vet
 	@echo ">> checking file boilerplate"
 	@./build/check_boilerplate.sh
 
+clean:
+	@rm -f *.test cadvisor
+
 .PHONY: all build docker format release test test-integration vet presubmit tidy

build/integration-in-docker.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+
+# Copyright 2020 Google Inc. All rights reserved.
+#
+# 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.
+
+set -e
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE}")/.." && pwd -P)"
+TMPDIR=$(mktemp -d)
+function delete() {
+    echo "Deleting ${TMPDIR}..."
+    if [[ $EUID -ne 0 ]]; then
+      sudo rm -rf "${TMPDIR}"
+    else
+      rm -rf "${TMPDIR}"
+    fi
+}
+trap delete EXIT INT
+
+docker run --rm \
+  -w /go/src/github.com/google/cadvisor \
+  -v ${PWD}:/go/src/github.com/google/cadvisor \
+  golang:1.13 \
+  bash -c "env GOOS=linux GO_FLAGS='-race' ./build/build.sh amd64 && \
+    env GOOS=linux go test -c github.com/google/cadvisor/integration/tests/api &&  \
+    env GOOS=linux go test -c github.com/google/cadvisor/integration/tests/healthz"
+
+EXTRA_DOCKER_OPTS="-e DOCKER_IN_DOCKER_ENABLED=true"
+if [[ "${OSTYPE}" == "linux"* ]]; then
+  EXTRA_DOCKER_OPTS+=" -v ${TMPDIR}/docker-graph:/docker-graph"
+fi
+
+mkdir ${TMPDIR}/docker-graph
+docker run --rm \
+  -w /go/src/github.com/google/cadvisor \
+  -v ${ROOT}:/go/src/github.com/google/cadvisor \
+  ${EXTRA_DOCKER_OPTS} \
+  --privileged \
+  --entrypoint="" \
+  gcr.io/k8s-testimages/bootstrap \
+  bash -c "apt update && apt install sudo && \
+/usr/local/bin/runner.sh build/integration.sh"