pulumi infrastructure as (real) code - managing your k8s ... · pulumi infrastructure as (real)...
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Pulumi
Infrastructure as (real) Code -
Managing your K8s resources with Pulumi
Johannes M. Scheuermann Stuttgart, 05. November 2018
• Cloud Platform Engineer
• Kubernetes
• Golang
• …
@johscheuer
Johannes M. ScheuermannMacht Dinge mit der Cloud ?
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How do you deploy your code to Kubernetes?
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So many choices (this list is not complete!)4
Fire and forget!
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Creating Kubernetes resources
K8s API
“kubectl create –f ...“
„ACK“
Getting Feedback from K8s
K8s API
“kubectl rollout status ...“
„Waiting for deployment "todo-app" rollout to finish:
3 of 5 updated replicas are available... “
“Debugging”
K8s API
“kubectl get po –field-selector=status.phase!=Running“
„List of Pods that are not running“
Pulumi
● CLI in Golang● JavaScript/TypeScript, Python, Golang● Supports Kubernetes 1.5+● Gives direct feedback● Also supports AWS, GCP, Azure, Openstack
Pulumi and Kubernetes
● Kubernetes provider in JavaScript/TypeScript● Allows to mix cloud-infrastructure with deployments● Allows to define dependencies● Allows to define custom functions● Allows to use conditionals● Use Helm Charts● Combine Docker image build + deployment● Cascading Deployments
Do I need to rewrite everything?
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Pulumi basics
● Pulumi manages projects● A Stack is an instance of your project● Pulumi can manage multiple stacks● A Stack uses packages (e.g. AWS, GCP, ...)● Each stack can be configured
Demo time!
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Conclusions
● Looks like a nice alternative to terraform● Still in the early days● Up to date Kubernetes client● Nice to use all features from your IDE● Take a look at kubespy● Try it out
Questions?
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Vielen Dank
Johannes M. Scheuermann
Cloud Platform Engineer
inovex GmbH
Ludwig-Erhard-Allee 6
76131 Karlsruhe
Reading list
● https://blog.pulumi.com● https://www.pulumi.com● https://blog.pulumi.com/program-kubernetes-with-11-
cloud-native-pulumi-pearls ● https://github.com/pulumi/kubespy
Images
● https://www.pexels.com/de/foto/apfel-apple-backsteinmauer-becher-169573
● https://www.pexels.com/de/foto/ausbildung-begrifflich-bildung-diskussion-247708