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| echo -e "===prepare workspace==="
if [ ! -d "workspace" ]; then
echo "create new workspace"
mkdir workspace
fi
cd workspace
echo -e "===goto current space==="
version=$[$(ls | sort -n | tail -n 1)+1]
mkdir $version
cd $version
echo "Version: $version"
echo "Space: $(pwd)"
echo -e "===set parmas==="
gitPath=xxxx
girBranch=xxxx
mavenMirror=xxxx
mavenCacheVolume=maven-repo
mavenImage=maven:3.6.3-jdk-8
mavenPackageTarget=xxx-start/target/*.jar
jdkImage=openjdk:8-jdk
javaApp=xxxx
echo -e "===get code==="
docker run -i --rm \
-v ${HOME}:/root \
-v $(pwd)/src:/git \
alpine/git \
clone $gitPath .
pwd
echo $girBranch
docker run -i --rm \
-v ${HOME}:/root \
-v $(pwd)/src:/git \
alpine/git \
checkout $girBranch
echo -e "===build target==="
mkdir .m2
cat>.m2/settings.xml<<EOF
<settings>
<mirrors>
<mirror>
<id>proxy</id>
<mirrorOf>central</mirrorOf>
<name>proxy maven</name>
<url>$mavenMirror</url>
</mirror>
</mirrors>
</settings>
EOF
docker volume create --name $mavenCacheVolume
docker run -i --rm \
-v $(pwd)/src:/usr/src/mymaven \
-v $mavenCacheVolume:/root/.m2/repository \
-v $(pwd)/.m2/settings.xml:/root/.m2/settings.xml \
-w /usr/src/mymaven \
$mavenImage \
mvn package -Dmaven.test.skip=true
echo -e "===move jar==="
mkdir image
mv src/$mavenPackageTarget image/main.jar
echo -e "===build image==="
cd image
cat>Dockerfile<<EOF
FROM $jdkImage
COPY main.jar /main.jar
COPY entrypoint.sh /entrypoint.sh
CMD ["sh","entrypoint.sh"]
EOF
cat>entrypoint.sh<<EOF
java -jar -Xmx250m -Xms200m -Dserver.port=80 /main.jar --logger.print-parmas.enable=true
EOF
docker build -t $javaApp:$version .
cd ..
echo -e "===deploy to k8s==="
mkdir deploy
cd deploy
cat>${javaApp}-deployment.yaml<<EOF
apiVersion: apps/v1
kind: Deployment
metadata:
name: ${javaApp}-deployment
labels:
app: $javaApp
spec:
replicas: 1
selector:
matchLabels:
app: $javaApp
template:
metadata:
labels:
app: $javaApp
spec:
containers:
- name: $javaApp
image: $javaApp:$version
imagePullPolicy: IfNotPresent
env:
- name: ENV
value: "env"
ports:
- containerPort: 80
resources:
limits:
cpu: 0.3
memory: 400Mi
requests:
cpu: 0.3
memory: 300Mi
livenessProbe:
httpGet:
path: /swagger-ui/
port: 80
initialDelaySeconds: 100
periodSeconds: 3
strategy: # 策略
type: RollingUpdate # 也可以是Recreate
rollingUpdate:
maxUnavailable: 50% # 滚动更新的时候的最大不可用pod数量， 可以是绝对数字或者比例10%
maxSurge: 50% # 动更新的时候的溢出的pod数量，也可以是绝对数字
progressDeadlineSeconds: 150 # 进度期限秒数，不懂是什么
minReadySeconds: 100 # 最短就绪时间， 容器创建多久以后被视为就绪
revisionHistoryLimit: 3 # 历史修订限制， 保留的rs的数量，这个数量会消耗etcd资源，rs删除了就不能回滚刀那个版本的Deployment了
EOF
cat>${javaApp}-service.yaml<<EOF
apiVersion: v1
kind: Service
metadata:
name: ${javaApp}-service
spec:
type: NodePort
selector:
app: $javaApp
ports:
- port: 80
targetPort: 80
nodePort: 10010
EOF
kubectl apply -f ${javaApp}-deployment.yaml
kubectl apply -f ${javaApp}-service.yaml
cd ..
|
