Django operator for Kubernetes

Can run simple projects with collectstatic and migrations at init stage. In some cases you can run non-django images like hello-world below, just set Django specific flags to False and statics path to /notexists.

Build sources

• You definitly need a Golang installed
• Clone repository https://git.blindage.org/21h/django-operator to your computer
• Open Makefile and change images registry to yours
• Run make command

Prebuilt images

You can find images here https://hub.docker.com/r/iam21h/django-operator

Deploy operator

kubectl -f deploy/service_account.yaml
kubectl -f deploy/role.yaml
kubectl -f deploy/role_binding.yaml
kubectl -f deploy/operator.yaml

Your first Django deployment

This resource can help you run your first image

apiVersion: blindage.org/v1alpha1
kind: Django
metadata:
  name: django-test
spec:
  pullPolicy: IfNotPresent
  image: gcr.io/hello-minikube-zero-install/hello-node:latest
  replicas: 1

  # application port, default 8080
  appPort: 8080

  # path where you store static files, typicaly inside application home
  appStaticPath: "/app/static"

  # run migrations in init container before run
  runMigrate: False

  # run collectstatic in init container before run
  runCollectStatic: False

Full Spec

image specific settings

• PullPolicy: its usual imagePullPolicy, default IfNotPresent
• Image: string, required, format <image>:<tag>
• Replicas: integer, default 1

manage resources

Read more about resources limiting here https://kubernetes.io/docs/concepts/policy/resource-quotas/

• PodRequests: default is empty
• PodLimits: default is empty

Affinity and antiaffinity manual https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity

• Affinity: default is empty

set annotations to service and pod

• ServiceAnnotations: <key>: <value> dict, default is empty
• PodAnnotations: <key>: <value> dict, default is empty

application specific configuration

• AppPort: integer, internal application port, default 8000
• AppEnv: EnvVar array, default is empty
• AppStaticPath: string, path to static files, default /app/static
• RunMigrate: bool, run migrations at init stage, default False
• RunCollectStatic: bool, run collectstatic at init stage, default False

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Copyright by Vladimir Smagin (21h) 2019
http://blindage.org email: 21h@blindage.org
Project page: https://git.blindage.org/21h/django-operator