tools/gpudirect-webhook/k8s.yaml

# Copyright 2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: cert-manager.io/v1
kind: Issuer
metadata:
  name: selfsigned-issuer
spec:
  selfSigned: {}
---
apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
  name: gpudirect-workload-mutating-webhook
spec:
  secretName: gpudirect-workload-mutating-webhook
  dnsNames:
    - gpudirect-workload-mutating-webhook.default
    - gpudirect-workload-mutating-webhook.default.svc
  issuerRef:
    name: selfsigned-issuer
    kind: Issuer
    group: cert-manager.io
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: gpudirect-webhook
  namespace: default
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: gpudirect-webhook
rules:
- apiGroups: ["networking.gke.io"]
  resources: ["*"]
  verbs: ["*"]
- apiGroups: ["apps"]
  resources: ["pods", "daemonsets"]
  verbs: ["*"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: gpudirect-webhook
subjects:
- kind: ServiceAccount
  name: gpudirect-webhook
  namespace: default
roleRef:
  kind: ClusterRole
  name: gpudirect-webhook
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: gpudirect-workload-mutating-webhook
  name: gpudirect-workload-mutating-webhook
spec:
  replicas: 1
  selector:
    matchLabels:
      app: gpudirect-workload-mutating-webhook
  strategy:
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: gpudirect-workload-mutating-webhook
    spec:
      terminationGracePeriodSeconds: 10
      serviceAccountName: gpudirect-webhook
      containers:
        - image: <REPO>/gpudirect-webhook:<TAG>
          name: webhook
          # args:
          # - --create-networks
          # - --create-node-pool
          # - --machine-type=a3-high
          ports:
            - containerPort: 8443
          volumeMounts:
            - mountPath: /var/run/tls
              name: tls
      volumes:
        - name: tls
          secret:
            secretName: gpudirect-workload-mutating-webhook
---
apiVersion: v1
kind: Service
metadata:
  name: gpudirect-workload-mutating-webhook
spec:
  selector:
    app: gpudirect-workload-mutating-webhook
  ports:
    - port: 443
      targetPort: 8443
---
apiVersion: admissionregistration.k8s.io/v1
kind: MutatingWebhookConfiguration
metadata:
  name: gpudirect-workload-mutating-webhook
  annotations:
    cert-manager.io/inject-ca-from: default/gpudirect-workload-mutating-webhook
webhooks:
  - admissionReviewVersions: ["v1", "v1beta1"]
    matchPolicy: Equivalent
    namespaceSelector:
      matchExpressions:
      - key: kubernetes.io/metadata.name
        operator: In
        values:
        - default
    objectSelector:
      matchExpressions:
      - key: gpudirect
        operator: In
        values:
        - tcpx
        - tcpxo
    clientConfig:
      service:
        name: gpudirect-workload-mutating-webhook
        namespace: default
        path: /mutate
        port: 443
    name: gpudirect-workload-mutating-webhook.default.svc
    sideEffects: None
    rules:
      - apiGroups: [""]
        apiVersions: ["v1"]
        resources: ["pods"]
        scope: "Namespaced"
        operations:
          - CREATE