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RedisConf18 - Redis Cluster Provisioning with Kubernetes Service-Catalog Extension
This document discusses Amadeus' use of Redis clusters with Kubernetes and their plans to offer Redis as a managed service. It introduces the Redis cluster operator which manages Kubernetes resources for Redis clusters. It then explains how the operator can be combined with an Open Service Broker to provision Redis clusters through the Kubernetes Service Catalog, allowing Redis to be offered as a managed service to applications in a simple way. A demo of this Redis as a service setup is planned.
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RedisConf18 - Redis Cluster Provisioning with Kubernetes Service-Catalog Extension
- 1. Redis Cluster Provisioning withKubernetes Service-Catalog Extension cedric.lamoriniere@amadeus.com
- 2. Me & Amadeus ~600million total bookings processed in 2016 1.3 billion passengers boarded in 2016 ~450 000 queries per second (600 000 at peak) provides IT services for travel industry Cedric Lamoriniere Software Engineer Amadeus Cloud Services 2
- 3. Amadeus & Redis ●Young Redis user: 2 years (1 year in production) ● Use case: session management data storage ○ Enabler for cloud application deployment. ○ https://github.com/AmadeusITGroup/HttpSessionReplacer ● Runs Redis-Cluster in Openshift (Kubernetes) ○ In memory only ○ https://github.com/AmadeusITGroup/redis-operator 3
- 4. What is next? ●More applications using the service, multi cloud environments ● Internal Saas offer: Redis as a service ○ Dedicated support team ● Provisioning with: Open Service Broker API ○ Delivers service to application in a simple and elegant way. ○ Fujitsu, Google, IBM, Pivotal, Red Hat and SAP ○ Integration with Kubernetes Service-Catalog 4
- 5. Agenda ● Service Catalogconcept ● Redis-Cluster operator ● Operator & Broker all-in-one! ● Demo 5
- 6. Open Service BrokerConcept The Service Consumer The Catalog The Service Broker The Service Provider OpenServiceBroker API 6
- 7. Kubernetes Service Catalog ●Mapping of Service Broker API in Kubernetes Resources. Service Catalog (K8s) Resource Service Broker API ClusterServiceClass Service ClusterServicePlan Plan ServiceInstance ServiceInstance ServiceBinding ServiceBinding Read Read/ Write 7
- 8. Service Catalog Component User APIServerController Scheduler Master Kubelet Node Kubelet Node ServiceCatalog API ServiceCatalog Controller Service Broker Service Broker Service Provider 8
- 9. Service Catalog Workflow UserService Catalog Get ServiceClasses 9
- 10. 10 Service Catalog Workflow UserService Catalog Get ServiceClasses Get ServicePlans 10
- 11. Service Catalog Workflow UserService Catalog Get ServiceClasses Create ServiceInstance Get ServicePlans 11
- 12. Service Catalog Workflow UserService Catalog Get ServiceClasses Get ServicePlans Create ServiceInstance Create ServiceBinding 12
- 13.
- 14. Service Catalog Isolation Ns:app-client Ns: Catalog Ns: Redis-team API Server Controller Redis BrokerServiceInstance ServiceBinding myApp-Pod MyCluster 14
- 15. Redis-Cluster Operator ● Presentedlast year at Redisconf17 ● Ease redis-cluster operations in Kubernetes ○ Manage kubernetes resources (pods, service) ○ Configure Redis nodes roles: Master/Slaves ● Use CustomResourceDefinition (CRD): RedisCluster Back in time 15
- 16. Redis-Cluster Operator ● Presentedlast year at Redisconf17 ● Ease redis-cluster operations in Kubernetes ○ Manage kubernetes resources (pods, service) ○ Configure Redis nodes roles: Master/Slaves ● Use CustomResourceDefinition (CRD): RedisCluster Back in time 16
- 17. Redis-Cluster Operator Back intime Node Redis-Node-1 User API Server Controller Scheduler Master Node Redis Operator Node Node MyRedis-Node-1 MyRedis-Node-2 MyRedis-Node-3 MyRedis-Node-4MyRedis-Node-5 configure kubectl create -f my-redis.yaml watch RedisClusters create pods Service: my-redis 17
- 18. Operator & Brokerfor Redis User API ServerController Scheduler Master Kubelet Node Kubelet Node ServiceCatalog API ServiceCatalog Controller Redis Broker Redis Operator Create RedisCluster New RedisCluster Redis Operator&Broker kubectl create -f my-redis-serviceinstance.yaml 18
- 19. Operator & Brokerfor Redis Components interaction 19
- 20. Operator & Brokerfor Redis Redis as a service 20
- 21.
- 22. Key Takeaways ● Easyprovisioning ● Separation of concerns ● Extendable 22
- 23. Links ● https://github.com/amadeusitgroup/redis-operator ● https://www.openservicebrokerapi.org ●https://github.com/kubernetes-incubator/service-catalog 23
- 24. Any questions? You canfind me at @cedlamo & cedric.lamoriniere@amadeus.com 24
- 25.