cluster-seata
MySQL: 参考 external-mysql 文章
Pod 多节点反亲和性调度，单节点失效
Node 调度， 只运行在指定的节点上
服务注册到 nacos
数据存储在 MySQL 上
[root@master test]# cat cluster-seata-statefulset.yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: seata-sta-server-cm
data:
application.yml: |
server:
# web管理的端口
port: 7091
spring:
application:
name: seata-server
logging:
config: classpath:logback-spring.xml
file:
path: ${user.home}/logs/seata
extend:
logstash-appender:
destination: 127.0.0.1:4560
kafka-appender:
bootstrap-servers: 127.0.0.1:9092
topic: logback_to_logstash
console:
# web端管理的用户名和密码
user:
username: seata
password: seata
seata:
config:
type: nacos
nacos:
# nacos的地址 k8s内部域名需要在后面加端口号
server-addr: nacos-sta-svc.adefault.svc.cluster.local:8848
# namespace: 默认使用 public
group: SEATA_GROUP
username: nacos
password: nacos
# 创建的配置文件名称
data-id: seataServer.properties
registry:
type: nacos
nacos:
application: seata-server
server-addr: nacos-sta-svc.default.svc.cluster.local:8848
group: SEATA_GROUP
#namespace:
cluster: default
username: nacos
password: nacos
server:
service-port: 8091
security:
secretKey: SeataSecretKey0c382ef121d778043159209298fd40bf3850a017
tokenValidityInMilliseconds: 1800000
ignore:
urls: /,/**/*.css,/**/*.js,/**/*.html,/**/*.map,/**/*.svg,/**/*.png,/**/*.ico,/console-fe/public/**,/api/v1/auth/login
---
apiVersion: v1
kind: Service
metadata:
name: seata-sta-server
labels:
app.kubernetes.io/name: seata-sta-server
spec:
type: NodePort
ports:
- port: 8091
protocol: TCP
targetPort: 8091
nodePort: 30891
name: http
- port: 7091
protocol: TCP
targetPort: 7091
nodePort: 30791
name: web
selector:
app.kubernetes.io/name: seata-sta-server
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: seata-sta-server
labels:
app.kubernetes.io/name: seata-sta-server
spec:
serviceName: seata-sta-server-headless
replicas: 1
selector:
matchLabels:
app.kubernetes.io/name: seata-sta-server
template:
metadata:
labels:
app.kubernetes.io/name: seata-sta-server
spec:
# 节点打上中间件标签并污染：kubectl taint nodes <node-name> middleware=true:NoSchedule
#tolerations:
# - key: "middleware"
# operator: "Equal"
# value: "true"
# effect: "NoSchedule"
# 当多节点生效：不允许同一个pod调度到同一个节点
affinity:
podAntiAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
- labelSelector:
matchExpressions:
- key: "app"
operator: In
values:
- middleware
topologyKey: "kubernetes.io/hostname"
containers:
- name: seata-sta-server
image: docker.io/seataio/seata-server:latest
imagePullPolicy: IfNotPresent
ports:
- name: http
containerPort: 8091
protocol: TCP
- name: web
containerPort: 7091
protocol: TCP
resources:
requests:
memory: "200Mi"
cpu: "0.1"
limits:
memory: "1Gi"
cpu: "1"
livenessProbe:
tcpSocket:
port: 8091
failureThreshold: 10
initialDelaySeconds: 10
periodSeconds: 5
timeoutSeconds: 1
readinessProbe:
tcpSocket:
port: 8091
failureThreshold: 10
initialDelaySeconds: 10
periodSeconds: 5
timeoutSeconds: 1
volumeMounts:
- mountPath: /seata-server/resources/application.yml
name: seata-cm
subPath: application.yml
volumes:
- name: seata-cm
configMap:
name: seata-sta-server-cmnacos 配置
seataServer.properties
store.mode=db
#-----db-----
store.db.datasource=druid
store.db.dbType=mysql
# 需要根据mysql的版本调整driverClassName
# mysql8及以上版本对应的driver：com.mysql.cj.jdbc.Driver
# mysql8以下版本的driver：com.mysql.jdbc.Driver
store.db.driverClassName=com.mysql.cj.jdbc.Driver
store.db.url=jdbc:mysql://singlenode-mysql.default.svc.cluster.local:3306/seata?useUnicode=true&characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true&useSSL=false
store.db.user= root
store.db.password= 123456
# 数据库初始连接数
store.db.minConn=1
# 数据库最大连接数
store.db.maxConn=200
# 获取连接时最大等待时间 默认5000，单位毫秒
store.db.maxWait=5000
# 全局事务表名 默认global_table
store.db.globalTable=global_table
# 分支事务表名 默认branch_table
store.db.branchTable=branch_table
# 全局锁表名 默认lock_table
store.db.lockTable=lock_table
store.db.distributedLockTable=distributed_lock
# 查询全局事务一次的最大条数 默认100
store.db.queryLimit=100
# undo保留天数 默认7天,log_status=1（附录3）和未正常清理的undo
server.undo.logSaveDays=7
# undo清理线程间隔时间 默认86400000，单位毫秒
server.undo.logDeletePeriod=86400000
# 二阶段提交重试超时时长 单位ms,s,m,h,d,对应毫秒,秒,分,小时,天,默认毫秒。默认值-1表示无限重试
# 公式: timeout>=now-globalTransactionBeginTime,true表示超时则不再重试
# 注: 达到超时时间后将不会做任何重试,有数据不一致风险,除非业务自行可校准数据,否者慎用
server.maxCommitRetryTimeout=-1
# 二阶段回滚重试超时时长
server.maxRollbackRetryTimeout=-1
# 二阶段提交未完成状态全局事务重试提交线程间隔时间 默认1000，单位毫秒
server.recovery.committingRetryPeriod=1000
# 二阶段异步提交状态重试提交线程间隔时间 默认1000，单位毫秒
server.recovery.asynCommittingRetryPeriod=1000
# 二阶段回滚状态重试回滚线程间隔时间 默认1000，单位毫秒
server.recovery.rollbackingRetryPeriod=1000
# 超时状态检测重试线程间隔时间 默认1000，单位毫秒，检测出超时将全局事务置入回滚会话管理器
server.recovery.timeoutRetryPeriod=1000启动成功后，会在 nacos 上看到服务注册上
Last updated
