Scala meets Kubernetes - Speaker Deck

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SCALA MEETS KUBERNETES

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Roksolana Diachuk • Big Data Developer at Captify • Diversity & Inclusion ambassador at Captify • Women Who Code Kyiv Data Engineering Lead • Speaker

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Agenda 1. Kubernetes. Behind the scenes 2. Scala and Kubernetes 3. Theory for practical examples 4. Practical examples

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Pod Deployment Replica Set Pod Stateful Set Pod Daemon Set Volume Service Kubernetes objects

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kubectl API server Scheduler Controller- manager etcd

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kubectl API server Scheduler Controller- manager etcd kubelet kube-proxy container Pod Pod container

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github.com/kubernetes- client/java Java-k8s client

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github.com/fabric8io/ kubernetes-client https://github.com/ doriordan/skuber skuber Fabric8io

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java-k8s-client fabric8io skuber

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java-k8s-client fabric8io skuber

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PRACTICAL EXAMPLES

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TESTING

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Service Namespace Volume Deployment StatefulSet ReplicaSet DaemonSet Pod Basic objects

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Custom object Service Namespace Volume Deployment StatefulSet ReplicaSet DaemonSet Pod Сustom objects

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etcd Postgres Operator Postgres Deploymen t /StatefulSet Postgres Deploymen t /StatefulSet Custom automation for work fl ow actions State kubectl apply Operator