http-add-on: Add nodeSelector, tolerations and affinity (#212)

Signed-off-by: Morgan Christiansson <git@mog.se>
kedacore · Dec 14, 2021 · f76beb2 · f76beb2
1 parent ac98f95
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diff --git a/http-add-on/README.md b/http-add-on/README.md
@@ -98,11 +98,17 @@ their default values.
 | `operator.port`                                            | The port for the operator main server to run on | `8443` |
 | `operator.adminService`                                    | The name of the [`Service`](https://kubernetes.io/docs/concepts/services-networking/service/) for the operator's admin server | `operator-admin` |
 | `operator.adminPort`                                       | The port for the operator's admin server to run on | `9090` |
+| `operator.nodeSelector`                                    | Node selector for pod scheduling ([docs](https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/)) | `{}` |
+| `operator.tolerations`                                     | Tolerations for pod scheduling ([docs](https://kubernetes.io/docs/concepts/scheduling-eviction/taint-and-toleration/)) | `{}` |
+| `operator.affinity`                                        | Affinity for pod scheduling ([docs](https://kubernetes.io/docs/tasks/configure-pod-container/assign-pods-nodes-using-node-affinity/)) | `{}` |
 | `scaler.service`                                           | The name of the Kubernetes `Service` for the scaler component | `external-scaler` |
 | `scaler.pullPolicy`                                        | The image pull policy for the scaler component | `Always` |
 | `scaler.grpcPort`                                          | The port for the scaler's gRPC server. This is the server that KEDA will send scaling requests to. | `9090` |
 | `scaler.healthPort`                                        | The port for the scaler's health check and admin server | `9091` |
 | `scaler.pendingRequestsInterceptor`                        | The number of "target requests" that the external scaler will report to KEDA for the interceptor's scaling metrics. See the [KEDA external scaler documentation](https://keda.sh/docs/2.4/concepts/external-scalers/) for details on target requests. | `200` |
+| `scaler.nodeSelector`                                      | Node selector for pod scheduling ([docs](https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/)) | `{}` |
+| `scaler.tolerations`                                       | Tolerations for pod scheduling ([docs](https://kubernetes.io/docs/concepts/scheduling-eviction/taint-and-toleration/)) | `{}` |
+| `scaler.affinity`                                          | Affinity for pod scheduling ([docs](https://kubernetes.io/docs/tasks/configure-pod-container/assign-pods-nodes-using-node-affinity/)) | `{}` |
 | `interceptor.pullPolicy` | The image pull policy for the interceptor component | `Always` |
 | `interceptor.admin.service` | The name of the Kubernetes `Service` for the interceptor's admin service | `interceptor-admin` |
 | `interceptor.admin.port` | The port for the interceptor's admin server to run on | `9090` |
@@ -122,6 +128,9 @@ their default values.
 | `interceptor.idleConnTimeout` | The timeout after which any idle connection is closed and removed from the interceptor's in-memory connection pool. | `90s` |
 | `interceptor.tlsHandshakeTimeout` | The maximum amount of time the interceptor will wait for a TLS handshake. Set to zero to indicate no timeout. | `10s` |
 | `interceptor.expectContinueTimeout` | Special handling for responses with "Expect: 100-continue" response headers. see https://pkg.go.dev/net/http#Transport under the 'ExpectContinueTimeout' field for more details | `1s` |
+| `interceptor.nodeSelector`                                 | Node selector for pod scheduling ([docs](https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/)) | `{}` |
+| `interceptor.tolerations`                                  | Tolerations for pod scheduling ([docs](https://kubernetes.io/docs/concepts/scheduling-eviction/taint-and-toleration/)) | `{}` |
+| `interceptor.affinity`                                     | Affinity for pod scheduling ([docs](https://kubernetes.io/docs/tasks/configure-pod-container/assign-pods-nodes-using-node-affinity/)) | `{}` |
 
 Specify each parameter using the `--set key=value[,key=value]` argument to
 `helm install`. For example:

diff --git a/http-add-on/templates/deployment-interceptor.yaml b/http-add-on/templates/deployment-interceptor.yaml
@@ -81,3 +81,15 @@ spec:
         resources:
           {{- toYaml .Values.resources | nindent 12 }}
       terminationGracePeriodSeconds: 10
+      {{- with .Values.interceptor.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.interceptor.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.interceptor.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
diff --git a/http-add-on/templates/deployment-operator.yaml b/http-add-on/templates/deployment-operator.yaml
@@ -64,3 +64,15 @@ spec:
         resources:
           {{- toYaml .Values.resources | nindent 12 }}
       terminationGracePeriodSeconds: 10
+      {{- with .Values.operator.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.operator.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.operator.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
diff --git a/http-add-on/templates/deployment-scaler.yaml b/http-add-on/templates/deployment-scaler.yaml
@@ -65,3 +65,15 @@ spec:
         resources:
           {{- toYaml .Values.resources | nindent 12 }}
       terminationGracePeriodSeconds: 10
+      {{- with .Values.scaler.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.scaler.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.scaler.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
diff --git a/http-add-on/values.yaml b/http-add-on/values.yaml
@@ -20,13 +20,19 @@ operator:
   port: 8443
   adminService: operator-admin
   adminPort: 9090
+  nodeSelector: {}
+  tolerations: []
+  affinity: {}
 
 scaler:
   service: external-scaler
   pullPolicy: Always
   grpcPort: 9090
   healthPort: 9091
   pendingRequestsInterceptor: 200
+  nodeSelector: {}
+  tolerations: []
+  affinity: {}
 
 interceptor:
   # the image pull policy of the interceptor
@@ -103,6 +109,10 @@ interceptor:
   # under the 'ExpectContinueTimeout' field for more details
   expectContinueTimeout: 1s
 
+  nodeSelector: {}
+  tolerations: []
+  affinity: {}
+
 # configuration for the images to use for each component
 images:
   # tag is the image tag to use for all images.