How to determine the IP of the bootstrap node

Environment

• Red Hat OpenShift Container Platform 4.x

Issue

• In the event of a failed install, how do I determine the IP or hostname of the bootstrap system to debug why the install failed?

Resolution

You can get the bootstrap IP from the terraform.tfstate file by running one fo the following commands:

1. Using Content from stedolan.github.io is not included.jq to parse the json state file.

   $ jq '.modules[].resources."aws_instance.bootstrap".primary.attributes."public_ip" | select(.)' cluster_install_dir/terraform.tfstate
   

2. Using Python with our an extra dependency

   $ python -c 'import sys, json; d=reduce(lambda x,y: dict(x.items() + y.items()), map(lambda x: x["resources"], json.load(sys.stdin)["modules"])); k="aws_instance.bootstrap"; print d[k]["primary"]["attributes"]["public_ip"] if k in d else ""' < cluster_install_dir/terraform.tfstate
   

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