This is the repository for Kubernetes DNS.
make targets:
| target | description |
|---|---|
| all, build | build all binaries |
| test | run unit tests |
| containers | build the containers |
| images-clean | clear image build artifacts from workdir |
| push | push containers to the registry |
| help | this help message |
| version | show package version |
| {build,containers,push}-ARCH | do action for specific ARCH |
| all-{build,containers,push} | do action for all ARCH |
| only-push-BINARY | push just BINARY |
- Setting
VERBOSE=1will show additional build logging. - Setting
VERSIONwill override the container version tag.
Vulnerability patches are mainly for debian-base or debian-iptables images. They can be updated to the latest by modifying rules.mk and dnsmasq Makefile. Example PR.
Once the PR has merged, a new release tag should be cut. The rest of the release process is described below.
- Build and test (
make images-clean;make build;make containers;make test). - To build just the node-cache container, use
make containers CONTAINER_BINARIES=node-cache. - The same steps are executed via the presubmit script
presubmits.shwhich is run by the test-infra prow job. - Update go dependencies if needed.
- Update the release tag. We use semantic versioning to name releases.
- Wait for container images to be pushed via cloudbuild yaml. This will be done automatically by
k8s.io/test-infra/.../k8s-staging-dns.yaml. A manual cloud build can be submitted viagcloud builds submit --config cloudbuild.yaml, but this requires owner permissions in k8s-staging-dns project. The automated job pushes images for all architectures and makes them available ingcr.io/k8s-staging-dns. Status for build jobs can be checked at - https://k8s-testgrid.appspot.com/sig-network-dns#dns-push-images - Promote the images to
gcr.io/k8s-artifacts-produsing the process described in this link. The image SHAs should be added toimages/k8s-staging-dns/images.yaml. - Submit a PR for the kubernetes/kubernetes repository to switch to the new version of the containers.
- Images will be available in the repo k8s.gcr.io/dns/. The node-cache image with tag 1.15.14 can be found at k8s.gcr.io/dns/k8s-dns-node-cache:1.15.14. Older versions are at k8s.gcr.io/k8s-dns-node-cache: