k8s部署mycat及mycat-web监控
zk部署
https://www.jianshu.com/p/2633b95c244c
pv.yaml
[root@centos-svr68-54 zk]# cat pv.yaml
apiVersion: v1
kind: PersistentVolume
metadata:
name: k8s-pv-zk01
namespace: middleware
labels:
app: zk
annotations:
volume.beta.kubernetes.io/storage-class: "anything"
spec:
capacity:
storage: 5Gi
accessModes:
- ReadWriteOnce
hostPath:
path: /home/zk/pv/zk01
persistentVolumeReclaimPolicy: Recycle
---
apiVersion: v1
kind: PersistentVolume
metadata:
name: k8s-pv-zk02
namespace: middleware
labels:
app: zk
annotations:
volume.beta.kubernetes.io/storage-class: "anything"
spec:
capacity:
storage: 5Gi
accessModes:
- ReadWriteOnce
hostPath:
path: /home/zk/pv/zk02
persistentVolumeReclaimPolicy: Recycle
---
apiVersion: v1
kind: PersistentVolume
metadata:
name: k8s-pv-zk03
namespace: middleware
labels:
app: zk
annotations:
volume.beta.kubernetes.io/storage-class: "anything"
spec:
capacity:
storage: 5Gi
accessModes:
- ReadWriteOnce
hostPath:
path: /home/zk/pv/zk03
persistentVolumeReclaimPolicy: Recycle
---
zk.yaml
[root@centos-svr68-54 zk]# cat zk.yaml
apiVersion: v1
kind: Service
metadata:
name: zk-hs
namespace: middleware
labels:
app: zk
spec:
selector:
app: zk
clusterIP: None
ports:
- name: server
port: 2888
- name: leader-election
port: 3888
---
apiVersion: v1
kind: Service
metadata:
name: zk-cs
namespace: middleware
labels:
app: zk
spec:
selector:
app: zk
type: NodePort
ports:
- name: client
port: 2181
---
apiVersion: policy/v1beta1
kind: PodDisruptionBudget
metadata:
name: zk-pdb
namespace: middleware
spec:
selector:
matchLabels:
app: zk
maxUnavailable: 1
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: zk
namespace: middleware
spec:
selector:
matchLabels:
app: zk # has to match .spec.template.metadata.labels
serviceName: "zk-hs"
replicas: 3 # by default is 1
updateStrategy:
type: RollingUpdate
podManagementPolicy: Parallel
template:
metadata:
labels:
app: zk # has to match .spec.selector.matchLabels
spec:
containers:
- name: zk
imagePullPolicy: Always
image: leolee32/kubernetes-library:kubernetes-zookeeper1.0-3.4.10
resources:
requests:
memory: "500Mi"
cpu: "0.5"
ports:
- containerPort: 2181
name: client
- containerPort: 2888
name: server
- containerPort: 3888
name: leader-election
command:
- sh
- -c
- "start-zookeeper \
--servers=3 \
--data_dir=/var/lib/zookeeper/data \
--data_log_dir=/var/lib/zookeeper/data/log \
--conf_dir=/opt/zookeeper/conf \
--client_port=2181 \
--election_port=3888 \
--server_port=2888 \
--tick_time=2000 \
--init_limit=10 \
--sync_limit=5 \
--heap=512M \
--max_client_cnxns=60 \
--snap_retain_count=3 \
--purge_interval=12 \
--max_session_timeout=40000 \
--min_session_timeout=4000 \
--log_level=INFO"
readinessProbe:
exec:
command:
- sh
- -c
- "zookeeper-ready 2181"
initialDelaySeconds: 10
timeoutSeconds: 5
livenessProbe:
exec:
command:
- sh
- -c
- "zookeeper-ready 2181"
initialDelaySeconds: 10
timeoutSeconds: 5
volumeMounts:
- name: datadir
mountPath: /var/lib/zookeeper
volumeClaimTemplates:
- metadata:
name: datadir
annotations:
volume.beta.kubernetes.io/storage-class: "anything"
spec:
accessModes: [ "ReadWriteOnce" ]
resources:
requests:
storage: 1Gi
mycat部署：
官网地址：http://www.mycat.org.cn/
下载地址：http://dl.mycat.org.cn/1.6.7.6/20211016233725/Mycat-server-1.6.7.6-release-20211016233725-linux.tar.gz
创建dockerfile文件
[root@BETAWS32 mycat]# ll
total 43984
-rw-r--r-- 1 root root 371 Oct 21 09:12 1
-rw-r--r-- 1 root root 333 Oct 19 13:22 Dockerfile
-rw-r--r-- 1 root root 17568537 Oct 19 13:16 Mycat-server-1.6.7.1-release-20200209222254-linux.tar.gz
-rw-r--r-- 1 root root 27456207 Oct 20 10:22 Mycat-server-1.6.7.6-release-20211016233725-linux.tar.gz
drwxr-xr-x 4 root root 96 Oct 20 17:33 test
drwxr-xr-x 3 root root 90 Oct 21 09:38 web
[root@BETAWS32 mycat]# cat 1
FROM java:8-jre
USER root
COPY Mycat-server-1.6.7.6-release-20211016233725-linux.tar.gz /
RUN tar -zxf /Mycat-server-1.6.7.6-release-20211016233725-linux.tar.gz -C /usr/local/
ENV MYCAT_HOME=/usr/local//mycat
ENV PATH=$PATH:${MYCAT_HOME}/bin
WORKDIR $MYCAT_HOME/bin
RUN chmod u+x /usr/local/mycat
RUN mkdir /usr/local/logs/ -p
EXPOSE 8066 9066
CMD ["./mycat", "console"]
构建镜像：
docker build -t harbor.betawm.com/tools/betamycat:v2 -f 1 .
docker push harbor.betawm.com/tools/betamycat:v2
本地测试：
docker run --name=test-aa --rm -it harbor.betawm.com/tools/betamycat:v2 bash
创建k8s mycat.yaml文件
ns.yaml
apiVersion: v1
kind: Namespace
metadata:
name: middleware #这是命名空间的名称
---
apiVersion: v1
data:
.dockerconfigjson: >-
eyJhdXRocyI6eyIxNzIuMTcuMTIuNzkiOnsidXNlcm5hbWUiOiJhZG1pbiIsInBhc3N3b3JkIjoiYmV0YXdtLmNvbSIsImVtYWlsIjoiYmV0YUBiZXR3YW0uY29tIiwiYXV0aCI6IllXUnRhVzQ2WW1WMFlYZHRMbU52YlE9PSJ9fX0=
kind: Secret
metadata:
name: betasecret
namespace: middleware
type: kubernetes.io/dockerconfigjson
mycat.config.yaml
---
apiVersion: v1
data:
myid.propertie: >-
loadZk=true
zkURL=172.17.13.47:2181
clusterId=mycat-cluster-1
myid=mycat_fz_01
clusterSize=3
clusterNodes=mycat_fz_01,mycat_fz_02,mycat_fz_03
#server booster ; booster install on db same server,will reset all
minCon to 2
type=server
boosterDataHosts=dataHost1
kind: ConfigMap
metadata:
name: mycat-config
namespace: middleware
mycat.StatefulSet.yaml
#cat mycat.StatefulSet.yaml
#创建第一个无头服务mycat#################
apiVersion: v1
kind: Service
metadata:
labels:
app: db-proxy
name: db-proxy
namespace: middleware
spec:
ports:
- name: mycat-porxy
port: 3306
protocol: TCP
targetPort: 8066
- name: mycat-manager
port: 9066
protocol: TCP
targetPort: 9066
NodePort: None
selector:
app: beta-mycat
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
annotations:
labels:
app: beta-mycat
name: beta-mycat
namespace: middleware
spec:
serviceName: "db-proxy"
replicas: 2
selector:
matchLabels:
app: beta-mycat
template:
metadata:
annotations:
labels:
app: beta-mycat
spec:
containers:
- image: "harbor.betawm.com/tools/betamycat:v2"
imagePullPolicy: IfNotPresent
name: beta-mycat
# args:
# - /bin/sh
# - '-c'
# - '/usr/local/logs/mycat console'
ports:
- name: mycat-proxy
containerPort: 8066
protocol: TCP
- name: mycat-manager
containerPort: 9066
protocol: TCP
livenessProbe:
tcpSocket:
port: 8066
initialDelaySeconds: 15 #第一次健康检查的时间
periodSeconds: 5 #检查周期
timeoutSeconds: 5 #检查超时时间
successThreshold: 1 #成功次数判定成功
failureThreshold: 1 #失败次数判定失败
resources:
limits:
cpu: 500m
memory: 2Gi
requests:
cpu: 200m
memory: 500Mi
volumeMounts:
- name: mycatlog
mountPath: /usr/local/mycat/logs
- name: configmap-mycat
mountPath: /usr/local/mycat/conf/myid.propertie
subPath: myid.propertie
volumes:
- name: configmap-mycat
configMap:
name: mycat-config
items:
- key: myid.propertie
path: myid.propertie
- name: mycatlog
hostPath:
path: /beta/mycat/logs
type: DirectoryOrCreate
mycat-web监控部署
构建基础镜像：
FROM java:8-jre
USER root
COPY Mycat-web-1.0-SNAPSHOT-20170102153329-linux.tar.gz /
RUN tar -zxf Mycat-web-1.0-SNAPSHOT-20170102153329-linux.tar.gz -C /usr/local/
RUN chmod u+x /usr/local/mycat-web/start.sh
COPY start1.sh /usr/local/mycat-web/
WORKDIR /usr/local/mycat-web/
EXPOSE 8082
ENTRYPOINT ["java","-Xms1024m","-Xmx1024m","-Xmn128m","-XX:PermSize=64m", "-XX:+UseParNewGC", "-XX:+UseConcMarkSweepGC", "-XX:+UseCMSCompactAtFullCollection", "-XX:CMSFullGCsBeforeCompaction=0", "-XX:CMSInitiatingOccupancyFraction=70", "-Dcom.sun.management.jmxremote", "-Dcom.sun.management.jmxremote.port=8999", "-Dcom.sun.management.jmxremote.authenticate=false", "-Dcom.sun.management.jmxremote.ssl=false", "-jar", "start.jar"]
docker build -t harbor.betawm.com/tools/betamycat-web:v7 -f 1 .
docker push harbor.betawm.com/tools/betamycat:v1
mycat-web.yaml
apiVersion: v1
kind: Service
metadata:
labels:
app: db-proxy-mycatweb
name: db-proxy-mycatweb
namespace: middleware
spec:
ports:
- name: mycat-porxy
port: 8082
protocol: TCP
targetPort: 8082
nodePort: 38082
type: NodePort
selector:
app: beta-mycat-web
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
annotations:
labels:
app: beta-mycat-web
name: beta-mycat-web
namespace: middleware
spec:
serviceName: "db-proxy-mycatweb"
replicas: 2
selector:
matchLabels:
app: beta-mycat-web
template:
metadata:
annotations:
labels:
app: beta-mycat-web
spec:
containers:
- image: "harbor.betawm.com/tools/betamycat-web:v6"
imagePullPolicy: IfNotPresent
name: beta-mycat-web
# args:
# - /bin/sh
# - '-c'
# - 'java -Xms1024m -Xmx1024m -Xmn128m -XX:PermSize=64m -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+UseCMSCompactAtFullCollection -XX:CMSFullGCsBeforeCompaction=0 -XX:CMSInitiatingOccupancyFraction=70 -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=8999 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -jar /usr/local/mycat-web/start.jar'
ports:
- name: mycatweb-proxy
containerPort: 8082
protocol: TCP
livenessProbe:
tcpSocket:
port: 8082
initialDelaySeconds: 35 #第一次健康检查的时间
periodSeconds: 5 #检查周期
timeoutSeconds: 5 #检查超时时间
successThreshold: 1 #成功次数判定成功
failureThreshold: 1 #失败次数判定失败
resources:
limits:
cpu: 2000m
memory: 4Gi
requests:
cpu: 200m
memory: 2Gi
volumeMounts:
- name: configmap-mycat
mountPath: /usr/local/mycat-web/mycat-web/WEB-INF/classes/mycat.properties
subPath: mycat.properties
volumes:
- name: configmap-mycat
configMap:
name: mycatweb-config
items:
- key: mycat.properties
path: mycat.properties
---
apiVersion: v1
data:
mycat.properties: |+
#
#Mon Jan 16 15:37:36 CST 2012
show.period=3000000
zookeeper=172.17.13.47:2181
mycat_warn_mail=[{"cc"\:"sohudo@mycat.io","index"\:1,"mangerPort"\:"465","smtpHost"\:"smtp.139.com","smtpPassword"\:"123456","smtpProtocol"\:"smtp","smtpUser"\:"agile_louie@139.com","to"\:"9183838@qq.com"}]
##sql\u4E0A\u7EBF\u76F8\u5173\u914D\u7F6E
sqlonline.server=192.168.80.128
sqlonline.user=root
sqlonline.passwd=123456
kind: ConfigMap
metadata:
name: mycatweb-config
namespace: middleware
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