Merge pull request #33534 from aaron-prindle/compatibility-versions-test

test(compatibility-versions): adds test script and periodic prow job for testing kubernetes feature compatibility versions

config/jobs/kubernetes/sig-testing/compatibility-versions-e2e.yaml

@@ -0,0 +1,54 @@
+periodics:
+- interval: 6h
+  cluster: k8s-infra-prow-build
+  name: ci-kubernetes-e2e-kind-compatibility-versions
+  annotations:
+    testgrid-dashboards: sig-testing-kind
+    testgrid-tab-name: compatibility-version-test
+    description: Uses kubetest & kind to run e2e tests from older (n-1..3) kubernetes releases against a latest kubernetes master components w/ --emulated-version=<n-1..3> set.
+    # TODO(aaron-prindle) route the alert email to a rotation vs individual email
+    testgrid-alert-email: aprindle@google.com
+    testgrid-num-columns-recent: '6'
+  labels:
+    preset-dind-enabled: "true"
+    preset-kind-volume-mounts: "true"
+  decorate: true
+  decoration_config:
+    timeout: 60m
+  extra_refs:
+  - org: kubernetes
+    repo: test-infra
+    base_ref: master
+    path_alias: k8s.io/test-infra
+  spec:
+    containers:
+    - image: gcr.io/k8s-staging-test-infra/krte:v20240903-6a352c5344-master
+      imagePullPolicy: Always  # pull latest image for canary testing
+      command:
+      - wrapper.sh
+      - bash
+      - -c
+      - curl -sSL https://kind.sigs.k8s.io/dl/latest/linux-amd64.tgz | tar xvfz - -C "${PATH%%:*}/" && "$(go env GOPATH)"/src/k8s.io/test-infra/experiment/compatibility-versions/e2e-k8s-compatibility-versions.sh
+      env:
+      - name: EMULATED_VERSION
+        value: "1.31"  # TODO(aaron-prindle) FIXME - hardcoded for now
+      - name: SKIP
+        value: Alpha|Disruptive|Slow|Flaky|IPv6|LoadBalancer|PodSecurityPolicy|nfs
+      - name: PARALLEL
+        value: "true"
+      - name: FEATURE_GATES
+        value: '{"AllBeta":true}'
+      - name: RUNTIME_CONFIG
+        value: '{"api/beta":"true", "api/ga":"true"}'
+      # we need privileged mode in order to do docker in docker
+      securityContext:
+        privileged: true
+      resources:
+        limits:
+          memory: 9Gi
+          cpu: 7
+        requests:
+          # these are both a bit below peak usage during build
+          # this is mostly for building kubernetes
+          memory: 9Gi
+          cpu: 7

experiment/compatibility-versions/OWNERS

@@ -0,0 +1,6 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+reviewers:
+- aaron-prindle
+approvers:
+- aaron-prindle