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Description

In GKE Standard you can't run customized startup script when booting up a node due to not support customized host operation system (OS), fortunately we can use DaemonSet to address this issue. The following example tried to demostrate how to run a startup script through DeamonSet, you can build you own as the reference here.

Deployment


# Clone repo
git clone https://github.com/cc4i/awesome-gke.git
cd asset/startup-script

# build image & push into registry
docker build . -t <image url>:<tag>
docker push <image url>:<tag>

# Modify script as per request betweend "# BO:" and "# EO:"

# Deploy to cluster
kustomize build ./manifests | kubectl apply -f -

Notes

  • The pod container can share the host process ID namespace.
  • THe container is required root privilege.