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Make the webhook port number configurable
Changes
Previously the webhook listened on a fixed port, 8443, which is likely to clash with other services when the webhook is run on the host network in Kubernetes, which is required when using some CNI implementations, notably Calico on EKS [1].
Enable configuration of the webhook listen port through the environment variable WEBHOOK_PORT by using the existing API from the KNative SDK.
[1] https://projectcalico.docs.tigera.io/getting-started/kubernetes/managed-public-cloud/eks#install-eks-with-calico-networking
Submitter Checklist
As the author of this PR, please check off the items in this checklist:
- [ ] Docs included if any changes are user facing
- [ ] Tests included if any functionality added or changed
- [x] Follows the commit message standard
- [x] Meets the Tekton contributor standards (including functionality, content, code)
- [x] Release notes block below has been filled in (if there are no user facing changes, use release note "NONE")
Release Notes
The port on which the webhook server listens may be configured via the WEBHOOK_PORT environment variable.
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Hi @sel-vcc. Thanks for your PR.
I'm waiting for a tektoncd member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.
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