Apollo-ConfigService连接数据库IP分析_基于 Kubernetes 的 PaaS

# 11机器：
~]# mysql -uroot -p
none)]> show processlist;

原本是172.7.22.5，连接到数据的是10.4.7.22，因为做了NAT转换，它带了面具

交付Apollo-adminservice

官网下载https://github.com/ctripcorp/apollo/releases/tag/v1.5.1

# 200机器：
cd /opt/src
src]# wget https://github.com/ctripcorp/apollo/releases/download/v1.5.1/apollo-adminservice-1.5.1-github.zip
src]# mkdir /data/dockerfile/apollo-adminservice
src]# unzip -o apollo-adminservice-1.5.1-github.zip -d /data/dockerfile/apollo-adminservice
src]# cd /data/dockerfile/apollo-adminservice
apollo-adminservice]# rm -fr apollo-adminservice-1.5.1-sources.jar
apollo-adminservice]# rm -f apollo-adminservice.conf
apollo-adminservice]# cd scripts/
scripts]# rm -f shutdown.sh
# 删掉原来的全部内容，添加以下新的内容
scripts]# vi startup.sh
#!/bin/bash
SERVICE_NAME=apollo-adminservice
## Adjust log dir if necessary
LOG_DIR=/opt/logs/apollo-admin-server
## Adjust server port if necessary
SERVER_PORT=8080
APOLLO_ADMIN_SERVICE_NAME=$(hostname -i)
# SERVER_URL="http://localhost:${SERVER_PORT}"
SERVER_URL="http://${APOLLO_ADMIN_SERVICE_NAME}:${SERVER_PORT}"
## Adjust memory settings if necessary
#export JAVA_OPTS="-Xms2560m -Xmx2560m -Xss256k -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=384m -XX:NewSize=1536m -XX:MaxNewSize=1536m -XX:SurvivorRatio=8"
## Only uncomment the following when you are using server jvm
#export JAVA_OPTS="$JAVA_OPTS -server -XX:-ReduceInitialCardMarks"
########### The following is the same for configservice, adminservice, portal ###########
export JAVA_OPTS="$JAVA_OPTS -XX:ParallelGCThreads=4 -XX:MaxTenuringThreshold=9 -XX:+DisableExplicitGC -XX:+ScavengeBeforeFullGC -XX:SoftRefLRUPolicyMSPerMB=0 -XX:+ExplicitGCInvokesConcurrent -XX:+HeapDumpOnOutOfMemoryError -XX:-OmitStackTraceInFastThrow -Duser.timezone=Asia/Shanghai -Dclient.encoding.override=UTF-8 -Dfile.encoding=UTF-8 -Djava.security.egd=file:/dev/./urandom"
export JAVA_OPTS="$JAVA_OPTS -Dserver.port=$SERVER_PORT -Dlogging.file=$LOG_DIR/$SERVICE_NAME.log -XX:HeapDumpPath=$LOG_DIR/HeapDumpOnOutOfMemoryError/"
# Find Java
if [[ -n "$JAVA_HOME" ]] && [[ -x "$JAVA_HOME/bin/java" ]]; then
    javaexe="$JAVA_HOME/bin/java"
elif type -p java > /dev/null 2>&1; then
    javaexe=$(type -p java)
elif [[ -x "/usr/bin/java" ]];  then
    javaexe="/usr/bin/java"
else
    echo "Unable to find Java"
    exit 1
fi
if [[ "$javaexe" ]]; then
    version=$("$javaexe" -version 2>&1 | awk -F '"' '/version/ {print $2}')
    version=$(echo "$version" | awk -F. '{printf("%03d%03d",$1,$2);}')
    # now version is of format 009003 (9.3.x)
    if [ $version -ge 011000 ]; then
        JAVA_OPTS="$JAVA_OPTS -Xlog:gc*:$LOG_DIR/gc.log:time,level,tags -Xlog:safepoint -Xlog:gc+heap=trace"
    elif [ $version -ge 010000 ]; then
        JAVA_OPTS="$JAVA_OPTS -Xlog:gc*:$LOG_DIR/gc.log:time,level,tags -Xlog:safepoint -Xlog:gc+heap=trace"
    elif [ $version -ge 009000 ]; then
        JAVA_OPTS="$JAVA_OPTS -Xlog:gc*:$LOG_DIR/gc.log:time,level,tags -Xlog:safepoint -Xlog:gc+heap=trace"
    else
        JAVA_OPTS="$JAVA_OPTS -XX:+UseParNewGC"
        JAVA_OPTS="$JAVA_OPTS -Xloggc:$LOG_DIR/gc.log -XX:+PrintGCDetails"
        JAVA_OPTS="$JAVA_OPTS -XX:+UseConcMarkSweepGC -XX:+UseCMSCompactAtFullCollection -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=60 -XX:+CMSClassUnloadingEnabled -XX:+CMSParallelRemarkEnabled -XX:CMSFullGCsBeforeCompaction=9 -XX:+CMSClassUnloadingEnabled  -XX:+PrintGCDateStamps -XX:+PrintGCApplicationConcurrentTime -XX:+PrintHeapAtGC -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5 -XX:GCLogFileSize=5M"
    fi
fi
printf "$(date) ==== Starting ==== \n"
cd `dirname $0`/..
chmod 755 $SERVICE_NAME".jar"
./$SERVICE_NAME".jar" start
rc=$?;
if [[ $rc != 0 ]];
then
    echo "$(date) Failed to start $SERVICE_NAME.jar, return code: $rc"
    exit $rc;
fi
tail -f /dev/null

startup.sh官方地址

修改处为：

SERVER_PORT=8080 # 因为docker网络空间是互相隔离，用8080即可

APOLLO_ADMIN_SERVICE_NAME=$(hostname -i)

# 200机器，制作dockerfile：
cd /data/dockerfile/apollo-adminservice
apollo-adminservice]# ll
apollo-adminservice]# vi Dockerfile
FROM 909336740/jre8:8u112
ENV VERSION 1.5.1
RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime &&\
    echo "Asia/Shanghai" > /etc/timezone
ADD apollo-adminservice-${VERSION}.jar /apollo-adminservice/apollo-adminservice.jar
ADD config/ /apollo-adminservice/config
ADD scripts/ /apollo-adminservice/scripts
CMD ["/apollo-adminservice/scripts/startup.sh"]
apollo-adminservice]# docker build . -t harbor.od.com/infra/apollo-adminservice:v1.5.1
apollo-adminservice]# docker push harbor.od.com/infra/apollo-adminservice:v1.5.1

看以下harbor仓库有没有

重新复习一下交付过程：

搞定镜像-搞定资源配置清单-应用资源配置清单

# 200机器，制作资源配置清单：
mkdir /data/k8s-yaml/apollo-adminservice
cd /data/k8s-yaml/apollo-adminservice
apollo-adminservice]# vi cm.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: apollo-adminservice-cm
  namespace: infra
data:
  application-github.properties: |
    # DataSource
    spring.datasource.url = jdbc:mysql://mysql.od.com:3306/ApolloConfigDB?characterEncoding=utf8
    spring.datasource.username = apolloconfig
    spring.datasource.password = 123456
    eureka.service.url = http://config.od.com/eureka
  app.properties: |
    appId=100003172
apollo-adminservice]# vi dp.yaml
kind: Deployment
apiVersion: extensions/v1beta1
metadata:
  name: apollo-adminservice
  namespace: infra
  labels: 
    name: apollo-adminservice
spec:
  replicas: 1
  selector:
    matchLabels: 
      name: apollo-adminservice
  template:
    metadata:
      labels: 
        app: apollo-adminservice 
        name: apollo-adminservice
    spec:
      volumes:
      - name: configmap-volume
        configMap:
          name: apollo-adminservice-cm
      containers:
      - name: apollo-adminservice
        image: harbor.od.com/infra/apollo-adminservice:v1.5.1
        ports:
        - containerPort: 8080
          protocol: TCP
        volumeMounts:
        - name: configmap-volume
          mountPath: /apollo-adminservice/config
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
        imagePullPolicy: IfNotPresent
      imagePullSecrets:
      - name: harbor
      restartPolicy: Always
      terminationGracePeriodSeconds: 30
      securityContext: 
        runAsUser: 0
      schedulerName: default-scheduler
  strategy:
    type: RollingUpdate
    rollingUpdate: 
      maxUnavailable: 1
      maxSurge: 1
  revisionHistoryLimit: 7
  progressDeadlineSeconds: 600

# 22机器，应用资源配置清单：
~]# kubectl apply -f http://k8s-yaml.od.com/apollo-adminservice/cm.yaml
~]# kubectl apply -f http://k8s-yaml.od.com/apollo-adminservice/dp.yaml

# 11机器，查看数据库连接IP：
~]# mysql -uroot -p
none)]> show processlist;

多了更多的22连接

config.od.com访问地址

鼠标对着起来的Apollo，可以看到右下角有网址

# 22机器，curl：
~]# curl http://172.7.22.7:8080/info