Kubernetes有状态集群服务部署与管理.pptx

Kubernetes有状态集群服务 部署与管理 Agenda • Background • What is Kubernetes? • Run stateful services on Kubernetes • Kubernetes Storage • Volume • Persistent Volume • Dynamic Storage Provision • Kubernetes Stateful Service Features • Init Container • Pet Set • Run MySQL Cluster on Kubernetes • Galera MySQL Introduction • Deploy MySQL Cluster with PetSet • Cluster Operation on Kubernetes What is Kubernetes What is Kubernetes What is Kubernetes What is Kubernetes Pet Cattle Run Stateful Service on Kubernetes • Stateless services are popular in containerized world because they are disposable and easy to be re-created with container images. • Beyond stateless services like web server, users are increasingly deploying stateful services with containers to benefit from “build once, run anywhere” and to improve bare metal efficiency/utilization. • These “pets” bring new requirements including longer life cycle, configuration dependencies and stateful failover. Container orchestration must address these needs to successfully deploy and scale apps. Run Stateful Service on Kubernetes Stateless • Pod • RC／Replica Set • Service Stateful • Volume • Persistent Volume • • • • Clustered Pet Set Init Container Headless Service Dynamic Storage Provision Agenda • Background • What is Kubernetes? • Run stateful services on Kubernetes • Kubernetes Storage • Volume • Persistent Volume • Dynamic Storage Provision • Kubernetes Stateful Service Features • Init Container • Pet Set • Run MySQL Cluster on Kubernetes • Galera MySQL Introduction • Deploy MySQL Cluster with PetSet • Cluster Operation on Kubernetes Kubernetes Storage • Node Based Volume • emptyDir • hostPath • Use Cases： • Store temp data • Data sharing among containers Kubernetes Storage • hostPath • emptyDir Kubernetes Storage • Cross Node Volume Kubernetes Storage Kubernetes Cluster Shared Volume Various volume plugins Unshare