chore: modify system test to use Dockerfile files.

system-test/Dockerfile.linux

@@ -0,0 +1,31 @@
+FROM golang:1.12-stretch as builder
+RUN apt-get update && apt-get install -y \
+    git \
+ && rm -rf /var/lib/apt/lists/*
+WORKDIR /root/
+RUN go get github.com/google/pprof
+
+FROM debian:stretch
+
+RUN apt-get update && apt-get install -y \
+    curl \
+    python \
+    make \
+    g++ \
+ && rm -rf /var/lib/apt/lists/*
+
+ENV NVM_DIR /root/.nvm
+RUN mkdir -p $NVM_DIR
+
+ARG NODE_VERSION
+ARG NVM_NODEJS_ORG_MIRROR
+
+# Install nvm with node and npm
+RUN curl https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash \
+    && . $NVM_DIR/nvm.sh \
+    && nvm install $NODE_VERSION
+
+ENV BASH_ENV /root/.bashrc
+
+WORKDIR /root/
+COPY --from=0 /go/bin/pprof /bin

system-test/Dockerfile.node10-alpine

@@ -0,0 +1,10 @@
+FROM golang:1.12-alpine as builder
+RUN apk update && apk upgrade && apk add --no-cache git
+WORKDIR /root/
+RUN go get github.com/google/pprof
+
+FROM node:10-alpine
+RUN apk update && apk upgrade && apk add --no-cache bash python g++ make
+WORKDIR /root/
+COPY --from=0 /go/bin/pprof /bin
+RUN chmod a+x /bin/pprof

system-test/Dockerfile.node11-alpine

@@ -0,0 +1,10 @@
+FROM golang:1.12-alpine as builder
+RUN apk update && apk upgrade && apk add --no-cache git
+WORKDIR /root/
+RUN go get github.com/google/pprof
+
+FROM node:11-alpine
+RUN apk update && apk upgrade && apk add --no-cache bash python g++ make
+WORKDIR /root/
+COPY --from=0 /go/bin/pprof /bin
+RUN chmod a+x /bin/pprof

system-test/Dockerfile.node6-alpine

@@ -0,0 +1,10 @@
+FROM golang:1.12-alpine as builder
+RUN apk update && apk upgrade && apk add --no-cache git
+WORKDIR /root/
+RUN go get github.com/google/pprof
+
+FROM node:6-alpine
+RUN apk update && apk upgrade && apk add --no-cache bash python g++ make
+WORKDIR /root/
+COPY --from=0 /go/bin/pprof /bin
+RUN chmod a+x /bin/pprof

system-test/Dockerfile.node8-alpine

@@ -0,0 +1,10 @@
+FROM golang:1.12-alpine as builder
+RUN apk update && apk upgrade && apk add --no-cache git
+WORKDIR /root/
+RUN go get github.com/google/pprof
+
+FROM node:8-alpine
+RUN apk update && apk upgrade && apk add --no-cache bash python g++ make
+WORKDIR /root/
+COPY --from=0 /go/bin/pprof /bin
+RUN chmod a+x /bin/pprof

system-test/system_test.sh

@@ -1,38 +1,24 @@
 #!/bin/bash
 
-retry() {
-  for i in {1..3}; do
-    "${@}" && return 0
-  done
-  return 1
-}
-
-# Fail on any error.
-set -eo pipefail
-
-# Display commands being run.
-set -x
+# Trap all errors.
+trap "echo '** AT LEAST ONE OF TESTS FAILED **'" ERR
 
-# Record directory of pprof-nodejs.
-cd $(dirname $0)/..
-BASE_DIR=$(pwd)
+# Fail on any error, show commands run.
+set -eox pipefail
 
-RUN_ONLY_V8_CANARY_TEST="${RUN_ONLY_V8_CANARY_TEST:-false}"
-echo "$RUN_ONLY_V8_CANARY_TEST"
-
-# Install nvm.
-retry curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash &>/dev/null
-export NVM_DIR="$HOME/.nvm" &>/dev/null
-[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" &>/dev/null
+retry() {
+  "${@}" || "${@}" || "${@}" || exit $?
+}
 
-# Move system test to separate directory to run.
-TESTDIR="$BASE_DIR/run-system-test"
-cp -R "system-test" "$TESTDIR"
+cd $(dirname $0)
 
-# Run test.
-cd "$TESTDIR"
-retry go get -t -d .
-go test -v -timeout=10m -run TestAgentIntegration -pprof_nodejs_path="$BASE_DIR" -run_only_v8_canary_test="$RUN_ONLY_V8_CANARY_TEST" -binary_host="$BINARY_HOST"
+for i in 6 8 10 11; do
+  # Test Linux support for the given node version.
+  retry docker build -f Dockerfile.linux --build-arg NODE_VERSION=$i -t node$i-linux .
+  docker run -v $PWD/..:/src node$i-linux /src/system-test/test.sh
+  # Test Alpine support for the given node version.
+  docker build -f Dockerfile.node$i-alpine -t node$i-alpine .
+  docker run -v $PWD/..:/src node$i-alpine /src/system-test/test.sh
+done
 
-# Remove directory where test was run.
-rm -r $TESTDIR
+echo '** ALL TESTS PASSED **'