Extending OAP docker container (#3919)

* Add ext lib and ext config

* Add container checker

.github/workflows/docker-ci.yaml

+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+name: docker-ci
+
+on: [push]
+env:
+  SKIP_TEST: true
+  DOCKER_DIR: ./docker
+  LOG_DIR: /tmp/skywalking
+jobs:
+  build:
+    runs-on: ubuntu-16.04
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/cache@v1
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+      - name: Build docker image
+        run: make docker
+      - name: Bootstrap cluster
+        run: cd ${DOCKER_DIR} && docker-compose up -d
+      - name: Check port avaliable
+        run: |
+          source ./test/scripts/env.sh
+          echo "Waiting for OAP ready"
+          export PORT=11800
+          check_sw_port
+          echo "OAP is ready"
+          echo "Waiting for UI ready"
+          PORT=8080
+          check_sw_port
+          echo "UI is ready"
+      - name: Collect logs
+        run: |
+          mkdir -p ${LOG_DIR}
+          cd ${DOCKER_DIR}
+          docker-compose logs oap > ${LOG_DIR}/oap.txt
+          docker-compose logs ui > ${LOG_DIR}/ui.txt
+          docker-compose logs elasticsearch > ${LOG_DIR}/es.txt
+        continue-on-error: true
+      - uses: actions/upload-artifact@v1.0.0
+        continue-on-error: true
+        with:
+          name: logs
+          path: /tmp/skywalking

Makefile

@@ -14,6 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+SHELL := /bin/bash -o pipefail
 
 export SW_ROOT := $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))
 
@@ -21,6 +22,9 @@ export SW_OUT:=${SW_ROOT}/dist
 
 SKIP_TEST?=false
 
+init:
+	cd $(SW_ROOT) && git submodule update --init --recursive
+
 .PHONY: build.all build.agent build.backend build.ui build.docker
 
 build.all:
@@ -48,7 +52,7 @@ TAG?=latest
 
 .PHONY: docker docker.all docker.oap
 
-docker: build.docker docker.all
+docker: init build.docker docker.all
 
 DOCKER_TARGETS:=docker.oap docker.ui
 

docker/oap/Dockerfile.oap

@@ -34,6 +34,8 @@ WORKDIR skywalking
 
 COPY log4j2.xml config/
 COPY docker-entrypoint.sh .
+RUN mkdir ext-config; \
+    mkdir ext-libs;
 
 EXPOSE 12800 11800 1234
 

docker/oap/docker-entrypoint.sh

@@ -425,7 +425,14 @@ SW_CLUSTER=${SW_CLUSTER:-standalone}
 SW_STORAGE=${SW_STORAGE:-h2}
 SW_CONFIGURATION=${SW_CONFIGURATION:-none}
 SW_TELEMETRY=${SW_TELEMETRY:-none}
+EXT_LIB_DIR=/skywalking/ext-libs
+EXT_CONFIG_DIR=/skywalking/ext-config
 
+# If user wants to override application.yml, the one generated by docker-entrypoint.sh should be ignored.
+[[ -f ${EXT_CONFIG_DIR}/application.yml ]] && SW_L0AD_CONFIG_FILE_FROM_VOLUME=true
+
+# Override configuration files
+cp -vfR ${EXT_CONFIG_DIR}/ config/
 if [[ -z "$SW_L0AD_CONFIG_FILE_FROM_VOLUME" ]] || [[ "$SW_L0AD_CONFIG_FILE_FROM_VOLUME" != "true" ]]; then
     generateApplicationYaml
     echo "Generated application.yml"
@@ -439,6 +446,10 @@ for i in oap-libs/*.jar
 do
     CLASSPATH="$i:$CLASSPATH"
 done
+for i in ${EXT_LIB_DIR}/*.jar
+do
+    CLASSPATH="$i:$CLASSPATH"
+done
 
 set -ex
 exec java -XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap \

test/scripts/env.sh

+#!/usr/bin/env bash
+
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+# ----------------------------------------------------------------------------
+
+function check_sw_port() {
+    for i in $(seq 1 15); do nc -zv -w 3 localhost ${PORT} && return || sleep 3; done; exit 1
+}
\ No newline at end of file