CNTRLPLANE-4795: Add etcd sharding annotation churn

ci-operator/config/openshift/hypershift/openshift-hypershift-main.yaml

@@ -296,6 +296,47 @@ tests:
       TECH_PREVIEW_NO_UPGRADE: "true"
       TEST_SUITE: openshift/conformance/parallel/minimal
     workflow: hypershift-aws-e2e-backuprestore
+- always_run: false
+  as: e2e-v2-aws-etcd-sharding
+  capabilities:
+  - arm64
+  optional: true
+  steps:
+    cluster_profile: hypershift-aws
+    env:
+      NODEPOOL_N1_VERSION: "5.0"
+      TECH_PREVIEW_NO_UPGRADE: "true"
+      TEST_PLAN_FILE: /hypershift/testplans/aws-etcd-sharding.yaml
+    workflow: hypershift-aws-e2e-v2
+- always_run: false
+  as: e2e-v2-azure-self-managed-etcd-sharding
+  capabilities:
+  - arm64
+  optional: true
+  steps:
+    cluster_profile: hypershift-azure
+    env:
+      ENABLE_HYPERSHIFT_CERT_ROTATION_SCALE: "true"
+      HYPERSHIFT_AZURE_LOCATION: centralus
+      NODEPOOL_N1_VERSION: "5.0"
+      TECH_PREVIEW_NO_UPGRADE: "true"
+      TEST_PLAN_FILE: /hypershift/testplans/azure-etcd-sharding.yaml
+    workflow: hypershift-azure-e2e-v2-self-managed
+- always_run: false
+  as: e2e-v2-aws-backuprestore-etcd-sharding
+  capabilities:
+  - arm64
+  optional: true
+  steps:
+    cluster_profile: hypershift-aws
+    env:
+      HYPERSHIFT_CP_AVAILABILITY_POLICY: HighlyAvailable
+      HYPERSHIFT_ETCD_SHARDS: |-
+        name=events,resources=/events;events.k8s.io/events,replicas=3,storage=EmptyDir
+        name=leases,resources=coordination.k8s.io/leases,replicas=3,storage=PersistentVolume
+      TECH_PREVIEW_NO_UPGRADE: "true"
+      TEST_SUITE: openshift/conformance/parallel/minimal
+    workflow: hypershift-aws-e2e-backuprestore
 - always_run: false
   as: e2e-kubevirt-metal-ovn-backuprestore
   capabilities:
@@ -795,6 +836,30 @@ tests:
               helmValues:
                 controlPlaneOperatorImage: IMAGE_REPO:IMAGE_TAG
     workflow: rosa-seaplane-ephemeral-e2e
+- as: e2e-aws-etcd-sharding
+  capabilities:
+  - arm64
+  cron: 15 3 * * *
+  steps:
+    cluster_profile: hypershift-aws
+    env:
+      NODEPOOL_N1_VERSION: "5.0"
+      TECH_PREVIEW_NO_UPGRADE: "true"
+      TEST_PLAN_FILE: /hypershift/testplans/aws-etcd-sharding.yaml
+    workflow: hypershift-aws-e2e-v2
+- as: e2e-azure-etcd-sharding
+  capabilities:
+  - arm64
+  cron: 15 5 * * 3
+  steps:
+    cluster_profile: hypershift-azure
+    env:
+      ENABLE_HYPERSHIFT_CERT_ROTATION_SCALE: "true"
+      HYPERSHIFT_AZURE_LOCATION: centralus
+      NODEPOOL_N1_VERSION: "5.0"
+      TECH_PREVIEW_NO_UPGRADE: "true"
+      TEST_PLAN_FILE: /hypershift/testplans/azure-etcd-sharding.yaml
+    workflow: hypershift-azure-e2e-v2-self-managed
 zz_generated_metadata:
   branch: main
   org: openshift

ci-operator/config/openshift/hypershift/openshift-hypershift-main__periodics-etcd-perf.yaml

@@ -0,0 +1,71 @@
+base_images:
+  hypershift-operator:
+    name: hypershift-operator
+    namespace: hypershift
+    tag: latest
+  hypershift-tests:
+    name: hypershift-tests
+    namespace: hypershift
+    tag: latest
+  upi-installer:
+    name: "5.1"
+    namespace: ocp
+    tag: upi-installer
+prowgen:
+  enable_secrets_store_csi_driver: true
+releases:
+  initial:
+    candidate:
+      product: ocp
+      stream: ci
+      version: "5.1"
+  latest:
+    candidate:
+      product: ocp
+      stream: ci
+      version: "5.1"
+resources:
+  '*':
+    requests:
+      cpu: 100m
+      memory: 200Mi
+tests:
+- as: annotation-churn-standard
+  cron: 20 7 * * 2
+  steps:
+    cluster_profile: hypershift-aws
+    env:
+      ANNOTATION_CHURN_ITERATIONS: "10"
+      HYPERSHIFT_CP_AVAILABILITY_POLICY: HighlyAvailable
+      HYPERSHIFT_INSTANCE_TYPE: m5.xlarge
+      HYPERSHIFT_NODE_COUNT: "24"
+      PATCH_REPLICAS: "50"
+      PATCH_ROUNDS: "100"
+    test:
+    - chain: hypershift-etcd-perf
+    workflow: hypershift-aws-e2e-cluster
+  timeout: 6h0m0s
+- as: annotation-churn-sharded
+  cron: 20 13 * * 2
+  steps:
+    cluster_profile: hypershift-aws
+    env:
+      ANNOTATION_CHURN_ITERATIONS: "10"
+      HYPERSHIFT_CP_AVAILABILITY_POLICY: HighlyAvailable
+      HYPERSHIFT_ETCD_SHARDS: |-
+        name=leases,resources=coordination.k8s.io/leases,replicas=3,storage=PersistentVolume
+        name=events,resources=/events;events.k8s.io/events,replicas=1,storage=EmptyDir
+      HYPERSHIFT_INSTANCE_TYPE: m5.xlarge
+      HYPERSHIFT_NODE_COUNT: "24"
+      PATCH_REPLICAS: "50"
+      PATCH_ROUNDS: "100"
+      TECH_PREVIEW_NO_UPGRADE: "true"
+    test:
+    - chain: hypershift-etcd-perf
+    workflow: hypershift-aws-e2e-cluster
+  timeout: 6h0m0s
+zz_generated_metadata:
+  branch: main
+  org: openshift
+  repo: hypershift
+  variant: periodics-etcd-perf