[#494] add priorityClass support

Signed-off-by: Mathias Maes <[email protected]>

charts/hono/Chart.yaml

@@ -15,7 +15,7 @@ name: hono
 description: |
   Eclipse Hono™ provides remote service interfaces for connecting large numbers of IoT devices to a back end and
   interacting with them in a uniform way regardless of the device communication protocol.
-version: 2.5.1
+version: 2.5.2
 # Version of Hono being deployed by the chart
 appVersion: 2.4.0
 keywords:

charts/hono/README.md

@@ -102,6 +102,11 @@ helm uninstall eclipse-hono -n hono
 The command removes all the Kubernetes components associated with the chart and deletes the release.
 
 ## Release Notes
+
+### 2.5.2
+
+* Allow setting the priorityClass for all pods to have more control over kubernetes scheduling.
+
 ### 2.5.1
 
 * Allow customizing the PVC storage size for the Device Registry service.

charts/hono/templates/_helpers.tpl

@@ -647,6 +647,19 @@ The scope passed in is expected to be a dict with keys
 {{- end }}
 {{- end }}
 
+{{/*
+Adds a priority class name to a component's pod spec.
+The scope passed in is expected to be a dict with keys
+- (mandatory) "name": the name of the component
+- (mandatory) "componentConfig": the component's configuration properties as defined in .Values
+- (mandatory) "dot": the root scope (".")
+*/}}
+{{- define "hono.pod.priorityClassName" }}
+{{- if .componentConfig.pod.priorityClassName }}
+priorityClassName: {{ .componentConfig.pod.priorityClassName | quote }}
+{{- end }}
+{{- end }}
+
 {{/*
 Adds port type declarations to a component's service spec.
 */}}

charts/hono/templates/artemis/artemis-deployment.yaml

@@ -30,6 +30,7 @@ spec:
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- include "hono.pod.priorityClassName" $args | nindent 6 }}
       containers:
       - name: apache-activemq-artemis
         image: {{ .Values.amqpMessagingNetworkExample.broker.artemis.imageName | quote }}

charts/hono/templates/dispatch-router/dispatch-router-deployment.yaml

@@ -30,6 +30,7 @@ spec:
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- include "hono.pod.priorityClassName" $args | nindent 6 }}
       containers:
       - name: apache-qpid-dispatch-router
         image: {{ .Values.amqpMessagingNetworkExample.dispatchRouter.imageName | quote }}

charts/hono/templates/example-data-grid/statefulset.yaml

@@ -30,6 +30,7 @@ spec:
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- include "hono.pod.priorityClassName" $args | nindent 6 }}
       containers:
       - image: {{ .Values.dataGridExample.imageName | quote }}
         imagePullPolicy: IfNotPresent

charts/hono/templates/hono-adapter-amqp/hono-adapter-amqp-deployment.yaml

@@ -34,6 +34,7 @@ spec:
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- include "hono.pod.priorityClassName" $args | nindent 6 }}
       containers:
       {{- include "hono.otel.agent" . | indent 6 }}
       {{- include "hono.container" $args | indent 6 }}

charts/hono/templates/hono-adapter-coap/hono-adapter-coap-deployment.yaml

@@ -34,6 +34,7 @@ spec:
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- include "hono.pod.priorityClassName" $args | nindent 6 }}
       containers:
       {{- include "hono.otel.agent" . | indent 6 }}
       {{- include "hono.container" $args | indent 6 }}

charts/hono/templates/hono-adapter-http/hono-adapter-http-deployment.yaml

@@ -34,6 +34,7 @@ spec:
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- include "hono.pod.priorityClassName" $args | nindent 6 }}
       containers:
       {{- include "hono.otel.agent" . | indent 6 }}
       {{- include "hono.container" $args | indent 6 }}

charts/hono/templates/hono-adapter-lora/hono-adapter-lora-deployment.yaml

@@ -34,6 +34,7 @@ spec:
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- include "hono.pod.priorityClassName" $args | nindent 6 }}
       containers:
       {{- include "hono.otel.agent" . | indent 6 }}
       {{- include "hono.container" $args | indent 6 }}

charts/hono/templates/hono-adapter-mqtt/hono-adapter-mqtt-deployment.yaml

@@ -34,6 +34,7 @@ spec:
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- include "hono.pod.priorityClassName" $args | nindent 6 }}
       containers:
       {{- include "hono.otel.agent" . | indent 6 }}
       {{- include "hono.container" $args | indent 6 }}

charts/hono/templates/hono-service-auth/hono-service-auth-deployment.yaml

@@ -33,6 +33,7 @@ spec:
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- include "hono.pod.priorityClassName" $args | nindent 6 }}
       containers:
       {{- include "hono.container" $args | indent 6 }}
         {{- with $args.componentConfig.cmdLineArgs }}

charts/hono/templates/hono-service-command-router/hono-service-command-router-deployment.yaml

@@ -33,6 +33,7 @@ spec:
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- include "hono.pod.priorityClassName" $args | nindent 6 }}
       containers:
       {{- include "hono.otel.agent" . | indent 6 }}
       {{- include "hono.container" $args | indent 6 }}

charts/hono/templates/hono-service-device-registry-embedded/hono-service-device-registry-statefulset.yaml

@@ -34,6 +34,7 @@ spec:
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- include "hono.pod.priorityClassName" $args | nindent 6 }}
       containers:
       {{- include "hono.otel.agent" . | indent 6 }}
       {{- include "hono.container" $args | indent 6 }}

charts/hono/templates/hono-service-device-registry-jdbc/hono-service-device-registry-deployment.yaml

@@ -34,6 +34,7 @@ spec:
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- include "hono.pod.priorityClassName" $args | nindent 6 }}
       containers:
       {{- include "hono.otel.agent" . | indent 6 }}
       {{- include "hono.container" $args | indent 6 }}

charts/hono/templates/hono-service-device-registry-mongodb/hono-service-device-registry-deployment.yaml

@@ -34,6 +34,7 @@ spec:
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- include "hono.pod.priorityClassName" $args | nindent 6 }}
       containers:
       {{- include "hono.otel.agent" . | indent 6 }}
       {{- include "hono.container" $args | indent 6 }}

charts/hono/templates/jaeger/jaeger-deployment.yaml

@@ -36,6 +36,7 @@ spec:
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- include "hono.pod.priorityClassName" $args | nindent 6 }}
       containers:
       - name: jaeger
         image: {{ .Values.jaegerBackendExample.allInOneImage }}

charts/hono/values.yaml

@@ -298,6 +298,7 @@ adapters:
     pod:
       labels: {}
       annotations: {}
+      priorityClassName: ""
 
     # extraVolumes contains additional kubernetes Volume definitions representing volumes
     # that can mounted into the container's file system.
@@ -425,6 +426,7 @@ adapters:
     pod:
       labels: {}
       annotations: {}
+      priorityClassName: ""
 
     # extraVolumes contains additional kubernetes Volume definitions representing volumes
     # that can mounted into the container's file system.
@@ -550,6 +552,7 @@ adapters:
     pod:
       labels: {}
       annotations: {}
+      priorityClassName: ""
 
     # extraVolumes contains additional kubernetes Volume definitions representing volumes
     # that can mounted into the container's file system.
@@ -677,6 +680,7 @@ adapters:
     pod:
       labels: {}
       annotations: {}
+      priorityClassName: ""
 
     # extraVolumes contains additional kubernetes Volume definitions representing volumes
     # that can mounted into the container's file system.
@@ -803,6 +807,7 @@ adapters:
     pod:
       labels: {}
       annotations: {}
+      priorityClassName: ""
 
     # extraVolumes contains additional kubernetes Volume definitions representing volumes
     # that can mounted into the container's file system.
@@ -926,6 +931,7 @@ authServer:
   pod:
     labels: {}
     annotations: {}
+    priorityClassName: ""
 
   # extraVolumes contains additional kubernetes Volume definitions representing volumes
   # that can mounted into the container's file system.
@@ -1192,6 +1198,7 @@ deviceRegistryExample:
     pod:
       labels: {}
       annotations: {}
+      priorityClassName: ""
 
     # The configMap to get additional environment variables from for this device registry.
     envConfigMap:
@@ -1249,6 +1256,8 @@ deviceRegistryExample:
       limits:
         cpu: "1"
         memory: "400Mi"
+
+
     # mongodb contains the configuration properties to connect to the MongoDB database instance.
     # If you would like to use an already existing MongoDB database instance, then configure
     # the below section accordingly.
@@ -1275,6 +1284,7 @@ deviceRegistryExample:
     pod:
       labels: {}
       annotations: {}
+      priorityClassName: ""
 
   # jdbcBasedDeviceRegistry contains configuration properties specific to the
   # jdbc based device registry.
@@ -1335,6 +1345,7 @@ deviceRegistryExample:
     pod:
       labels: {}
       annotations: {}
+      priorityClassName: ""
 
     registry:
       jdbc:
@@ -1488,6 +1499,7 @@ commandRouterService:
   pod:
     labels: {}
     annotations: {}
+    priorityClassName: ""
 
   # extraVolumes contains additional kubernetes Volume definitions representing volumes
   # that can mounted into the container's file system.
@@ -1850,6 +1862,9 @@ amqpMessagingNetworkExample:
         periodSeconds: 5
         initialDelaySeconds: 20
 
+    pod:
+      priorityClassName: ""
+
     svc:
       annotations: {}
       loadBalancerIP:
@@ -1946,6 +1961,9 @@ amqpMessagingNetworkExample:
           cpu: "1"
           memory: "600Mi"
 
+      pod:
+        priorityClassName: ""
+
       # extraVolumes contains additional kubernetes Volume definitions representing volumes
       # that can mounted into the container's file system.
       # The syntax is defined in https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.24/#volume-v1-core
@@ -2016,6 +2034,10 @@ dataGridExample:
     limits:
       cpu: "1"
       memory: "200Mi"
+
+  pod:
+    priorityClassName: ""
+
   # authUsername contains the name of the user that is authorized to connect to the example data grid.
   authUsername: "hono"
   # authPassword contains the secret of the user that is authorized to connect to the example data grid
@@ -2066,6 +2088,7 @@ jaegerBackendExample:
   pod:
     labels: {}
     annotations: {}
+    priorityClassName: ""
 
   # env contains environment variables to set for the Jaeger all-in-one container.
   # The default variables configure the container to keep up to 100000 traces in memory.