[Demo] Add Netty unit test demo

.github/workflows/demo_test.yml

@@ -646,6 +646,24 @@ jobs:
         sleep ${{ env.nap_time }};
         docker exec ${{ github.job }} bash -c "curl -s http://localhost:8080/actuator/readiness | grep -v DOWN"
 
+    Netty_UT_test:
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@v1
+      with:
+        submodules: true
+
+    - uses: ./.github/workflows/composite_action/sim
+      with:
+        container-name: ${{ github.job }}
+        build-envs: 'OCCLUM_RELEASE_BUILD=1'
+
+    - name: Download and compile netty unit test demos
+      run: docker exec ${{ github.job }} bash -c "cd /root/occlum/demos/netty_ut && ./build.sh"
+
+    - name: Run netty unit test demo
+      run: docker exec ${{ github.job }} bash -c "cd /root/occlum/demos/netty_ut && SGX_MODE=SIM ./run_netty_ut_jdk11.sh"
+
   Bash_test:
     runs-on: ubuntu-20.04
     steps:

demos/netty_ut/README

@@ -0,0 +1,13 @@
+# A Simple netty unit test usage demo
+
+This project demonstrates how to verify the completeness of Netty on Occlum.
+
+1. Download junit and related netty jars
+```
+./build.sh
+```
+
+2. Run `netty unit test ` on Occlum
+```
+./run_netty_ut_jdk11.sh
+```

demos/netty_ut/build.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+sudo apt-get update
+sudo apt-get install openjdk-11-jdk
+rm -rf /usr/lib/jvm/java-11-openjdk-amd64/lib/security/blacklisted.certs
+
+# Download netty testsuite, junit platform and related dependencies
+
+if [ ! -d "netty" ]; then
+    wget -i ./ut-jar.url -P ./netty
+fi

demos/netty_ut/netty-ut-jdk11.yaml

@@ -0,0 +1,9 @@
+includes: 
+  - base.yaml
+  - java-11-openjdk-amd64.yaml
+targets: 
+  # copy sofaboot jar
+  - target: /usr/lib
+    copy: 
+      - dirs:
+          - ../netty

demos/netty_ut/run_netty_ut_jdk11.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+set -e
+
+BLUE='\033[1;34m'
+NC='\033[0m'
+
+check_dir_exist() {
+    dir=$1
+    if [ ! -d ${dir} ];then
+        echo "Error: cannot stat file '${dir}'"
+        echo "Please see README and build it"
+        exit 1
+    fi
+}
+
+init_instance() {
+    # Init Occlum instance
+    rm -rf occlum_netty_ut_instance && occlum new occlum_netty_ut_instance
+    cd occlum_netty_ut_instance
+    new_json="$(jq '.resource_limits.user_space_size = "4680MB" |
+                .resource_limits.kernel_space_heap_size="64MB" |
+                .resource_limits.max_num_of_threads = 128 |
+                .process.default_heap_size = "512MB" |
+                .entry_points = [ "/usr/lib/jvm/java-11-openjdk-amd64/bin" ] |
+                .env.default = [ "LD_LIBRARY_PATH=/usr/lib/jvm/java-11-openjdk-amd64/lib/server:/usr/lib/jvm/java-11-openjdk-amd64/lib:/usr/lib/jvm/java-11-openjdk-amd64/../lib:/lib" ]' Occlum.json)" && \
+    echo "${new_json}" > Occlum.json
+}
+
+build_netty_ut() {
+    # Copy JVM and JAR file into Occlum instance and build
+    rm -rf image
+    copy_bom -f ../netty-ut-jdk11.yaml --root image --include-dir /opt/occlum/etc/template
+    occlum build
+}
+
+run_netty_ut() {
+    jar_dir_path=./netty
+    check_dir_exist ${jar_dir_path}
+
+    init_instance
+    build_netty_ut
+    echo -e "${BLUE}occlum run netty ut${NC}"
+    occlum run /usr/lib/jvm/java-11-openjdk-amd64/bin/java \
+        -Xmx1048m -XX:-UseCompressedOops -XX:MaxMetaspaceSize=128m \
+        -XX:ActiveProcessorCount=2 \
+        -Dos.name=Linux \
+        -jar /usr/lib/netty/junit-platform-console-standalone-1.8.2.jar \
+        -cp /usr/lib/netty/netty-testsuite-4.1.51.Final.jar:/usr/lib/netty/netty-all-4.1.51.Final.jar:/usr/lib/netty/xz-1.5.jar:/usr/lib/netty/hamcrest-library-1.3.jar:/usr/lib/netty/logback-classic-1.1.7.jar \
+        --scan-classpath > netty-test-heap512m.log
+}       
+
+run_netty_ut

demos/netty_ut/ut-jar.url

@@ -0,0 +1,6 @@
+https://repo1.maven.org/maven2/io/netty/netty-testsuite/4.1.51.Final/netty-testsuite-4.1.51.Final.jar
+https://repo1.maven.org/maven2/io/netty/netty-all/4.1.51.Final/netty-all-4.1.51.Final.jar
+https://repo1.maven.org/maven2/org/tukaani/xz/1.5/xz-1.5.jar
+https://repo1.maven.org/maven2/org/hamcrest/hamcrest-library/1.3/hamcrest-library-1.3.jar
+https://repo1.maven.org/maven2/ch/qos/logback/logback-classic/1.1.7/logback-classic-1.1.7.jar
+https://repo1.maven.org/maven2/org/junit/platform/junit-platform-console-standalone/1.8.2/junit-platform-console-standalone-1.8.2.jar