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Higher-Order Deployments Reducing Boilerplate With Kubernetes Custom Resource Definitions @jrbowes May 3, 2018

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https://www.manifold.co YES, WE ARE HIRING SIGN UP TODAY

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Photo by Caleb Jones on Unsplash

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Photo by Tyler Milligan on Unsplash

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Photo by Connor Betts on Unsplash @jrbowes

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Photo by Connor Betts on Unsplash @jrbowes

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Photo by chuttersnap on Unsplash @jrbowes

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Photo by Etienne Pauthenet on Unsplash

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By Frank Vincentz (Own work) GFDL via Wikimedia Commons

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Photo by Lauren Lester on Unsplash apiVersion: extensions/v1beta1 kind: Deployment metadata: name: worker spec: replicas: 2 strategy: Photo by Lauren Lester on Unsplash

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Y Photo by Mariam Soliman on Unsplash @jrbowes

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Photo by Alexandru Tugui on Unsplash @jrbowes

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Photo by Alexandru Tugui on Unsplash @jrbowes

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@jrbowes

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@jrbowes

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@jrbowes

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Kubernetes is Composition @jrbowes

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Kubernetes is a Database @jrbowes

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Photo by Wine Dharma on Unsplash ● 1 Custom Resource Definition ● 1 Controller ● Admission Controllers to taste @jrbowes

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apiVersion: apiextensions.k8s.io/v1beta1 kind: CustomResourceDefinition metadata: name: applications.manifold.co spec: group: stable.manifold.co version: v1 scope: Namespaced names: plural: applications singular: application kind: Application @jrbowes

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validation: openAPIV3Schema: properties: spec: properties: replicas: type: integer minimum: 2 image: type: string @jrbowes

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@jrbowes

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Start with Metacontroller @jrbowes

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@jrbowes

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Why?

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@jrbowes

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@jrbowes

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@jrbowes

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- name: Create my app's deployment k8s_raw: state: present definition: apiVersion: extensions/v1beta1 kind: Deployment metadata: name: my-app spec: replicas: 2 @jrbowes

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- name: Create all of my app k8s_raw: state: present definition: apiVersion: manifold.co/v1 kind: Application metadata: name: my-app spec: external: true @jrbowes

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Build your own Operators

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Photo by Matthew Hamilton on Unsplash CRDs are new & incomplete No multi-version support yet @jrbowes

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Photo by Matthew Hamilton on Unsplash Many moving parts Definition, controller, webhooks @jrbowes

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Photo by Matthew Hamilton on Unsplash Attempts to simplify are still early ● Metacontroller ● Kubekit ● operator-sdk ● Your cool project? @jrbowes

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Thank you! @jrbowes April 18, 2018