K8s: Config clusterIP, externalName to svc of Hub, Router, EventBus

Signed-off-by: Viet Nguyen Duc <[email protected]>

Author: VietND96

Diff for: charts/selenium-grid/CONFIGURATION.md

@@ -185,6 +185,8 @@ A Helm chart for creating a Selenium Grid Server in Kubernetes
 | components.router.resources | object | `{}` | Resources for router container |
 | components.router.securityContext | object | `{}` | SecurityContext for router container |
 | components.router.serviceType | string | `"ClusterIP"` | Kubernetes service type (see https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types) |
+| components.router.clusterIP | string | `""` | Set specific clusterIP when serviceType is ClusterIP (see https://kubernetes.io/docs/concepts/services-networking/service/#type-clusterip) |
+| components.router.externalName | string | `""` | Set specific externalName when serviceType is ExternalName (see https://kubernetes.io/docs/concepts/services-networking/service/#type-externalname) |
 | components.router.loadBalancerIP | string | `""` | Set specific loadBalancerIP when serviceType is LoadBalancer (see https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer) |
 | components.router.serviceAnnotations | object | `{}` | Custom annotations for router service |
 | components.router.tolerations | list | `[]` | Tolerations for router pods |
@@ -228,6 +230,9 @@ A Helm chart for creating a Selenium Grid Server in Kubernetes
 | components.eventBus.resources | object | `{}` | Resources for event-bus container |
 | components.eventBus.securityContext | object | `{}` | SecurityContext for event-bus container |
 | components.eventBus.serviceType | string | `"ClusterIP"` | Kubernetes service type (see https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types) |
+| components.eventBus.clusterIP | string | `""` | Set specific clusterIP when serviceType is ClusterIP (see https://kubernetes.io/docs/concepts/services-networking/service/#type-clusterip) |
+| components.eventBus.externalName | string | `""` | Set specific externalName when serviceType is ExternalName (see https://kubernetes.io/docs/concepts/services-networking/service/#type-externalname) |
+| components.eventBus.loadBalancerIP | string | `""` | Set specific loadBalancerIP when serviceType is LoadBalancer (see https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer) |
 | components.eventBus.serviceAnnotations | object | `{}` | Custom annotations for Event Bus service |
 | components.eventBus.tolerations | list | `[]` | Tolerations for Event Bus pods |
 | components.eventBus.nodeSelector | object | `{}` | Node selector for Event Bus pods |
@@ -300,6 +305,8 @@ A Helm chart for creating a Selenium Grid Server in Kubernetes
 | hub.resources | object | `{}` | Resources for selenium-hub container |
 | hub.securityContext | object | `{}` | SecurityContext for selenium-hub container |
 | hub.serviceType | string | `"ClusterIP"` | Kubernetes service type (see https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types) |
+| hub.clusterIP | string | `""` | Set specific clusterIP when serviceType is ClusterIP (see https://kubernetes.io/docs/concepts/services-networking/service/#type-clusterip) |
+| hub.externalName | string | `""` | Set specific externalName when serviceType is ExternalName (see https://kubernetes.io/docs/concepts/services-networking/service/#type-externalname) |
 | hub.loadBalancerIP | string | `""` | Set specific loadBalancerIP when serviceType is LoadBalancer (see https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer) |
 | hub.serviceAnnotations | object | `{}` | Custom annotations for Selenium Hub service |
 | hub.tolerations | list | `[]` | Tolerations for selenium-hub pods |
@@ -324,6 +331,8 @@ A Helm chart for creating a Selenium Grid Server in Kubernetes
 | monitoring.exporter.port | int | `9199` |  |
 | monitoring.exporter.service.enabled | bool | `true` | Create a service for exporter |
 | monitoring.exporter.service.type | string | `"ClusterIP"` | Service type |
+| monitoring.exporter.service.clusterIP | string | `""` | Set specific clusterIP when serviceType is ClusterIP (see https://kubernetes.io/docs/concepts/services-networking/service/#type-clusterip) |
+| monitoring.exporter.service.externalName | string | `""` | Set specific externalName when serviceType is ExternalName (see https://kubernetes.io/docs/concepts/services-networking/service/#type-externalname) |
 | monitoring.exporter.service.loadBalancerIP | string | `""` | Set specific loadBalancerIP when serviceType is LoadBalancer (see https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer) |
 | monitoring.exporter.service.nodePort | int | `30199` | Node port for service |
 | monitoring.exporter.service.annotations | object | `{}` | Annotations for exporter service |

Diff for: charts/selenium-grid/configs/node/nodePreStop.sh

@@ -4,18 +4,18 @@ probe_name="lifecycle.${1:-"preStop"}"
 SE_NODE_PORT=${SE_NODE_PORT:-"5555"}
 ts_format=${SE_LOG_TIMESTAMP_FORMAT:-"%Y-%m-%d %H:%M:%S,%3N"}
 NODE_CONFIG_DIRECTORY=${NODE_CONFIG_DIRECTORY:-"/opt/bin"}
-PRESTOP_WAIT_STRATEGY=${SE_NODE_PRESTOP_WAIT_STRATEGY:-"local"}
+PRESTOP_WAIT_STRATEGY=${SE_NODE_PRESTOP_WAIT_STRATEGY:-"deployment"}
 
 max_time=3
 retry_time=5
 
-if [ "${PRESTOP_WAIT_STRATEGY}" = "local" ]; then
-  echo "$(date -u +"${ts_format}") [${probe_name}] - Using pre-stop strategy local to wait for current sessions to be finished"
+if [ "${PRESTOP_WAIT_STRATEGY,,}" = "job" ]; then
+  echo "$(date -u +"${ts_format}") [${probe_name}] - Using pre-stop strategy Job to wait for current sessions to be finished"
   while pgrep -f 'java.*selenium' | grep -v $$; do sleep 5; done
   exit 0
 fi
 
-echo "$(date -u +"${ts_format}") [${probe_name}] - Using pre-stop strategy remote to wait for current sessions to be finished"
+echo "$(date -u +"${ts_format}") [${probe_name}] - Using pre-stop strategy Deployment to wait for current sessions to be finished"
 
 ID=$(echo $RANDOM)
 tmp_node_file="/tmp/nodeProbe${ID}"

Diff for: charts/selenium-grid/templates/event-bus-service.yaml

@@ -18,6 +18,15 @@ spec:
     app: {{ template "seleniumGrid.eventBus.fullname" . }}
     app.kubernetes.io/instance: {{ .Release.Name }}
   type: {{ .Values.components.eventBus.serviceType }}
+  {{- if and (eq .Values.components.eventBus.serviceType "ClusterIP") ( .Values.components.eventBus.clusterIP ) }}
+  clusterIP: {{ .Values.components.eventBus.clusterIP }}
+  {{- end }}
+  {{- if and (eq .Values.components.eventBus.serviceType "ExternalName") ( .Values.components.eventBus.externalName ) }}
+  externalName: {{ .Values.components.eventBus.externalName }}
+  {{- end }}
+  {{- if and (eq .Values.components.eventBus.serviceType "LoadBalancer") ( .Values.components.eventBus.loadBalancerIP ) }}
+  loadBalancerIP: {{ .Values.components.eventBus.loadBalancerIP }}
+  {{- end }}
   ports:
     - name: http-evtbus
       protocol: TCP

Diff for: charts/selenium-grid/templates/hub-service.yaml

@@ -18,6 +18,12 @@ spec:
     app: {{ template "seleniumGrid.hub.fullname" . }}
     app.kubernetes.io/instance: {{ .Release.Name }}
   type: {{ .Values.hub.serviceType }}
+  {{- if and (eq .Values.hub.serviceType "ClusterIP") ( .Values.hub.clusterIP ) }}
+  clusterIP: {{ .Values.hub.clusterIP }}
+  {{- end }}
+  {{- if and (eq .Values.hub.serviceType "ExternalName") ( .Values.hub.externalName ) }}
+  externalName: {{ .Values.hub.externalName }}
+  {{- end }}
   {{- if and (eq .Values.hub.serviceType "LoadBalancer") ( .Values.hub.loadBalancerIP ) }}
   loadBalancerIP: {{ .Values.hub.loadBalancerIP }}
   {{- end }}

Diff for: charts/selenium-grid/templates/monitoring-exporter-service.yaml

@@ -13,6 +13,12 @@ spec:
     app: {{ template "seleniumGrid.monitoring.exporter.fullname" $ }}
     app.kubernetes.io/name: {{ template "seleniumGrid.monitoring.exporter.fullname" $ }}
   type: {{ .Values.monitoring.exporter.service.type }}
+  {{- if and (eq .Values.monitoring.exporter.service.type "ClusterIP") ( .Values.monitoring.exporter.service.clusterIP ) }}
+  clusterIP: {{ .Values.monitoring.exporter.service.clusterIP }}
+  {{- end }}
+  {{- if and (eq .Values.monitoring.exporter.service.type "ExternalName") ( .Values.monitoring.exporter.service.externalName ) }}
+  externalName: {{ .Values.monitoring.exporter.service.externalName }}
+  {{- end }}
   {{- if and (eq .Values.monitoring.exporter.service.type "LoadBalancer") ( .Values.monitoring.exporter.service.loadBalancerIP ) }}
   loadBalancerIP: {{ .Values.monitoring.exporter.service.loadBalancerIP }}
   {{- end }}

Diff for: charts/selenium-grid/templates/router-service.yaml

@@ -18,6 +18,12 @@ spec:
     app: {{ template "seleniumGrid.router.fullname" . }}
     app.kubernetes.io/instance: {{ .Release.Name }}
   type: {{ .Values.components.router.serviceType }}
+  {{- if and (eq .Values.components.router.serviceType "ClusterIP") ( .Values.components.router.clusterIP ) }}
+  clusterIP: {{ .Values.components.router.clusterIP }}
+  {{- end }}
+  {{- if and (eq .Values.components.router.serviceType "ExternalName") ( .Values.components.router.externalName ) }}
+  externalName: {{ .Values.components.router.externalName }}
+  {{- end }}
   {{- if and (eq .Values.components.router.serviceType "LoadBalancer") (.Values.components.router.loadBalancerIP) }}
   loadBalancerIP: {{ .Values.components.router.loadBalancerIP }}
   {{- end }}

Diff for: charts/selenium-grid/values.yaml

@@ -442,6 +442,10 @@ components:
     securityContext: {}
     # -- Kubernetes service type (see https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types)
     serviceType: ClusterIP
+    # -- Set specific clusterIP when serviceType is ClusterIP (see https://kubernetes.io/docs/concepts/services-networking/service/#type-clusterip)
+    clusterIP: ""
+    # -- Set specific externalName when serviceType is ExternalName (see https://kubernetes.io/docs/concepts/services-networking/service/#type-externalname)
+    externalName: ""
     # -- Set specific loadBalancerIP when serviceType is LoadBalancer (see https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer)
     loadBalancerIP: ""
     # -- Custom annotations for router service
@@ -559,6 +563,12 @@ components:
     securityContext: {}
     # -- Kubernetes service type (see https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types)
     serviceType: ClusterIP
+    # -- Set specific clusterIP when serviceType is ClusterIP (see https://kubernetes.io/docs/concepts/services-networking/service/#type-clusterip)
+    clusterIP: ""
+    # -- Set specific externalName when serviceType is ExternalName (see https://kubernetes.io/docs/concepts/services-networking/service/#type-externalname)
+    externalName: ""
+    # -- Set specific loadBalancerIP when serviceType is LoadBalancer (see https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer)
+    loadBalancerIP: ""
     # -- Custom annotations for Event Bus service
     serviceAnnotations: {}
     # -- Tolerations for Event Bus pods
@@ -780,6 +790,10 @@ hub:
   securityContext: {}
   # -- Kubernetes service type (see https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types)
   serviceType: ClusterIP
+  # -- Set specific clusterIP when serviceType is ClusterIP (see https://kubernetes.io/docs/concepts/services-networking/service/#type-clusterip)
+  clusterIP: ""
+  # -- Set specific externalName when serviceType is ExternalName (see https://kubernetes.io/docs/concepts/services-networking/service/#type-externalname)
+  externalName: ""
   # -- Set specific loadBalancerIP when serviceType is LoadBalancer (see https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer)
   loadBalancerIP: ""
   # -- Custom annotations for Selenium Hub service
@@ -834,6 +848,10 @@ monitoring:
       enabled: true
       # -- Service type
       type: ClusterIP
+      # -- Set specific clusterIP when serviceType is ClusterIP (see https://kubernetes.io/docs/concepts/services-networking/service/#type-clusterip)
+      clusterIP: ""
+      # -- Set specific externalName when serviceType is ExternalName (see https://kubernetes.io/docs/concepts/services-networking/service/#type-externalname)
+      externalName: ""
       # -- Set specific loadBalancerIP when serviceType is LoadBalancer (see https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer)
       loadBalancerIP: ""
       # -- Node port for service