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An etcd unix user is currently created in configure-helper.sh if it does not exist on the master. cloud-init is the only supported mechanism to add users on COS VMs. If an attempt is made to add a key using OS Login or the instance metadata mechanism the google_accounts_daemon will race with useradd and potentially attempt to use the same UID. This will lock out any attempt to SSH into the VM. We therefore migrate to using cloud-init to create this user and prevent this issue from occurring.
Cluster Configuration
Deprecation Notice: This directory has entered maintenance mode and will not be accepting new providers. Deployments in this directory will continue to be maintained and supported at their current level of support.
The scripts and data in this directory automate creation and configuration of a Kubernetes cluster, including networking, DNS, nodes, and control plane components.
See the getting-started guides for examples of how to use the scripts.
cloudprovider/config-default.sh contains a set of tweakable definitions/parameters for the cluster.