Jenkins X infrastructure

Jenkins X runs it’s infrastructure in Google Cloud Platform (GCP). We have 2 GCP projects

• jenkinsxio
• jenkins-x-bdd

jenkinsxio

This is where the main infrastructure runs (the jobs triggered when a pull request is opened in any repository). Some details about the infrastructure are shown below

• GKE kubernetes version 1.21
• Spot instances to keep costs low
  • n1-standard-2 with boot size 100 GB
• Cluster autoscaler scales the nodes between 1 and 5.
• We use terraform, an infrastructure as Code tool to manage the cluster using the google-jx module.

jenkins-x-bdd

This project is only used for bdd testing. Test clusters are created here when a pull request is opened in the jx3-versions repository.

Test clusters are supposed to be transient, and are regularly gc’ed.

• If a test passes, then a clean up is performed at the end of the test run to delete the test cluster
• For a failed test, we have a cloud function scheduled to run every hour which deletes any left over clusters and cloud resources (persistent volumes, service accounts and secrets)

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