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chart: Add templates for relay node (#2453)
Signed-off-by: Viet Nguyen Duc <[email protected]>
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Diff for: ‎charts/selenium-grid/CONFIGURATION.md

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Original file line numberDiff line numberDiff line change
@@ -499,6 +499,57 @@ A Helm chart for creating a Selenium Grid Server in Kubernetes
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| edgeNode.initContainers | list | `[]` | It is used to add initContainers in the same pod of the browser node. It should be set using the --set-json option |
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| edgeNode.sidecars | list | `[]` | It is used to add sidecars proxy in the same pod of the browser node. It means it will add a new container to the deployment itself. It should be set using the --set-json option |
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| edgeNode.videoRecorder | object | `{}` | Override specific video recording settings for edge node |
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| relayNode.enabled | bool | `false` | Enable relay nodes |
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| relayNode.deploymentEnabled | bool | `true` | NOTE: Only used when autoscaling.enabled is false Enable creation of Deployment true (default) - if you want long-living pods false - for provisioning your own custom type such as Jobs |
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| relayNode.updateStrategy | object | `{"type":"RollingUpdate"}` | Global update strategy will be overwritten by individual component |
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| relayNode.replicas | int | `1` | Number of relay nodes |
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| relayNode.imageRegistry | string | `nil` | Registry to pull the image (this overwrites global.seleniumGrid.imageRegistry parameter) |
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| relayNode.imageName | string | `"node-base"` | Image of relay nodes |
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| relayNode.imageTag | string | `nil` | Image of relay nodes (this overwrites global.seleniumGrid.nodesImageTag) |
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| relayNode.imagePullPolicy | string | `"IfNotPresent"` | Image pull policy (see https://kubernetes.io/docs/concepts/containers/images/#updating-images) |
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| relayNode.imagePullSecret | string | `""` | Image pull secret (see https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/) |
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| relayNode.ports | list | `[]` | Extra ports list to enable on the node container (e.g. SSH, VNC, NoVNC, etc.) |
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| relayNode.port | int | `5555` | Node component port |
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| relayNode.nodePort | string | `nil` | Node component expose NodePort |
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| relayNode.affinity | object | `{}` | Specify affinity for relay-node pods, this overwrites global.seleniumGrid.affinity parameter |
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| relayNode.topologySpreadConstraints | list | `[]` | Specify topologySpreadConstraints for relay-node pods, this overwrites global.seleniumGrid.topologySpreadConstraints parameter |
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| relayNode.annotations | object | `{}` | Annotations for relay-node pods |
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| relayNode.labels | object | `{}` | Labels for relay-node pods |
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| relayNode.shareProcessNamespace | bool | `true` | Shared process namespace for relay-node pods |
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| relayNode.resources.requests | object | `{"cpu":"1","memory":"1Gi"}` | Request resources for relay-node pods |
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| relayNode.resources.limits | object | `{"cpu":"1","memory":"2Gi"}` | Limit resources for relay-node pods |
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| relayNode.securityContext | object | `{}` | SecurityContext for relay-node container |
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| relayNode.tolerations | list | `[]` | Tolerations for relay-node pods |
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| relayNode.nodeSelector | object | `{}` | Node selector for relay-node pods |
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| relayNode.hostAliases | string | `nil` | Custom host aliases for relay nodes |
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| relayNode.extraEnvironmentVariables | string | `nil` | Custom environment variables for relay nodes |
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| relayNode.extraEnvFrom | string | `nil` | Custom environment variables by sourcing entire configMap, Secret, etc. for relay nodes |
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| relayNode.service.enabled | bool | `false` | Create a service for node |
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| relayNode.service.type | string | `"ClusterIP"` | Service type |
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| relayNode.service.loadBalancerIP | string | `""` | Set specific loadBalancerIP when serviceType is LoadBalancer (see https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer) |
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| relayNode.service.ports | string | `nil` | Extra ports exposed in node service |
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| relayNode.service.annotations | object | `{}` | Custom annotations for service |
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| relayNode.dshmVolumeSizeLimit | string | `""` | Size limit for DSH volume mounted in container (if not set, default is disabled, e.g "1Gi") |
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| relayNode.priorityClassName | string | `""` | Priority class name for relay-node pods |
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| relayNode.startupProbe | object | `{"enabled":true,"failureThreshold":12,"initialDelaySeconds":0,"path":"/status","periodSeconds":5,"successThreshold":1,"timeoutSeconds":60}` | Startup probe settings |
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| relayNode.readinessProbe | object | `{"enabled":false,"failureThreshold":10,"initialDelaySeconds":10,"path":"/status","periodSeconds":10,"successThreshold":1,"timeoutSeconds":10}` | Readiness probe settings |
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| relayNode.livenessProbe | object | `{"enabled":false,"failureThreshold":6,"initialDelaySeconds":30,"path":"/status","periodSeconds":10,"successThreshold":1,"timeoutSeconds":60}` | Liveness probe settings |
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| relayNode.terminationGracePeriodSeconds | int | `30` | Time to wait for pod termination |
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| relayNode.deregisterLifecycle | string | `nil` | Define preStop command to shut down the relay node gracefully. This overwrites autoscaling.deregisterLifecycle |
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| relayNode.lifecycle | object | `{}` | Define postStart and preStop events. This overwrites the defined preStop in deregisterLifecycle if any |
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| relayNode.extraVolumeMounts | list | `[]` | Extra volume mounts for relay-node container |
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| relayNode.extraVolumes | list | `[]` | Extra volumes for relay-node pod |
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| relayNode.nodeMaxSessions | string | `nil` | Override the number of max sessions per node |
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| relayNode.scaledOptions | string | `nil` | Override the scaled options for relay nodes |
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| relayNode.scaledJobOptions | string | `nil` | Override the scaledJobOptions for relay nodes |
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| relayNode.scaledObjectOptions | string | `nil` | Override the scaledObjectOptions for relay nodes |
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| relayNode.hpa.browserName | string | `"chrome"` | browserName from the capability |
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| relayNode.hpa.sessionBrowserName | string | `""` | sessionBrowserName if the browserName is different from the sessionBrowserName |
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| relayNode.hpa.platformName | string | `"Android"` | platformName from the capability |
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| relayNode.hpa.unsafeSsl | string | `"{{ template \"seleniumGrid.graphqlURL.unsafeSsl\" . }}"` | Skip check SSL when connecting to the Graphql endpoint |
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| relayNode.initContainers | list | `[]` | It is used to add initContainers in the same pod of the browser node. It should be set using the --set-json option |
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| relayNode.sidecars | list | `[]` | It is used to add sidecars proxy in the same pod of the browser node. It means it will add a new container to the deployment itself. It should be set using the --set-json option |
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| relayNode.videoRecorder | object | `{}` | Override specific video recording settings for edge node |
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| videoRecorder.enabled | bool | `false` | Enable video recording in all browser nodes |
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| videoRecorder.name | string | `"video"` | Container name is set to resource specs |
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| videoRecorder.imageRegistry | string | `nil` | Registry to pull the image (this overwrites global.seleniumGrid.imageRegistry parameter) |

Diff for: ‎charts/selenium-grid/templates/_nameHelpers.tpl

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@@ -140,6 +140,13 @@ Edge node fullname
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{{- tpl (default (include "seleniumGrid.component.name" (list "selenium-edge-node" $)) .Values.edgeNode.nameOverride) $ | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Relay node fullname
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*/}}
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{{- define "seleniumGrid.relayNode.fullname" -}}
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{{- tpl (default (include "seleniumGrid.component.name" (list "selenium-relay-node" $)) .Values.relayNode.nameOverride) $ | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Ingress fullname
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*/}}

Diff for: ‎charts/selenium-grid/templates/relay-node-deployment.yaml

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@@ -0,0 +1,36 @@
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{{- if and .Values.relayNode.enabled ((eq (include "seleniumGrid.useKEDA" .) "true") | ternary (eq .Values.autoscaling.scalingType "deployment") .Values.relayNode.deploymentEnabled) }}
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ template "seleniumGrid.relayNode.fullname" . }}
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namespace: {{ .Release.Namespace }}
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labels:
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app: {{ template "seleniumGrid.relayNode.fullname" . }}
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app.kubernetes.io/name: {{ template "seleniumGrid.relayNode.fullname" . }}
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{{- include "seleniumGrid.commonLabels" . | nindent 4 }}
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{{- with .Values.relayNode.labels }}
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- with .Values.customLabels }}
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{{- toYaml . | nindent 4 }}
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{{- end }}
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spec:
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strategy:
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{{- template "seleniumGrid.updateStrategy" (list $.Values.relayNode $.Values.global.seleniumGrid) }}
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{{- if not (eq (include "seleniumGrid.useKEDA" $) "true") }}
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replicas: {{ .Values.relayNode.replicas }}
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{{- else }}
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replicas: {{ default $.Values.autoscaling.scaledOptions.minReplicaCount ($.Values.relayNode.scaledOptions).minReplicaCount }}
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{{- end }}
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revisionHistoryLimit: {{ .Values.global.seleniumGrid.revisionHistoryLimit }}
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selector:
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matchLabels:
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app: {{ template "seleniumGrid.relayNode.fullname" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- $podScope := deepCopy . -}}
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{{- $_ := set $podScope "name" (include "seleniumGrid.relayNode.fullname" .) -}}
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{{- $_ = set $podScope "node" .Values.relayNode -}}
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{{- $_ = set $podScope "recorder" (mergeOverwrite .Values.videoRecorder .Values.relayNode.videoRecorder) -}}
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{{- $_ = set $podScope "uploader" (get .Values.videoRecorder (.Values.videoRecorder.uploader.name | toString)) -}}
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{{- include "seleniumGrid.podTemplate" $podScope | nindent 2 }}
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{{- end }}

Diff for: ‎charts/selenium-grid/templates/relay-node-hpa.yaml

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{{- if and .Values.relayNode.enabled (eq (include "seleniumGrid.useKEDA" .) "true") (eq .Values.autoscaling.scalingType "deployment") }}
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apiVersion: keda.sh/v1alpha1
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kind: ScaledObject
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metadata:
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name: {{ template "seleniumGrid.relayNode.fullname" . }}
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namespace: {{ .Release.Namespace }}
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annotations:
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{{- with .Values.autoscaling.annotations }}
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{{- toYaml . | nindent 4 }}
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{{- end }}
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labels:
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deploymentName: {{ template "seleniumGrid.relayNode.fullname" . }}
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{{- include "seleniumGrid.commonLabels" . | nindent 4 }}
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{{- include "seleniumGrid.autoscalingLabels" . | nindent 4 }}
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{{- with .Values.relayNode.labels }}
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- with .Values.customLabels }}
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{{- toYaml . | nindent 4 }}
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{{- end }}
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spec:
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{{- $podScope := deepCopy . -}}
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{{- $_ := set $podScope "name" (include "seleniumGrid.relayNode.fullname" .) -}}
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{{- $_ = set $podScope "node" .Values.relayNode -}}
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{{- include "seleniumGrid.autoscalingTemplate" $podScope | nindent 2 }}
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{{- end }}

Diff for: ‎charts/selenium-grid/templates/relay-node-scaledjobs.yaml

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@@ -0,0 +1,30 @@
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{{- if and .Values.relayNode.enabled (include "seleniumGrid.useKEDA" .) (eq .Values.autoscaling.scalingType "job") }}
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apiVersion: keda.sh/v1alpha1
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kind: ScaledJob
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metadata:
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name: {{ template "seleniumGrid.relayNode.fullname" . }}
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namespace: {{ .Release.Namespace }}
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annotations:
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{{- with .Values.autoscaling.annotations }}
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{{- toYaml . | nindent 4 }}
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{{- end }}
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labels:
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app: {{ template "seleniumGrid.relayNode.fullname" . }}
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app.kubernetes.io/name: {{ template "seleniumGrid.relayNode.fullname" . }}
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{{- include "seleniumGrid.commonLabels" . | nindent 4 }}
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{{- include "seleniumGrid.autoscalingLabels" . | nindent 4 }}
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{{- with .Values.relayNode.labels }}
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- with .Values.customLabels }}
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{{- toYaml . | nindent 4 }}
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{{- end }}
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spec:
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{{- $podScope := deepCopy . -}}
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{{- $_ := set $podScope "name" (include "seleniumGrid.relayNode.fullname" .) -}}
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{{- $_ = set $podScope "node" .Values.relayNode -}}
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{{- $_ = set $podScope "recorder" (mergeOverwrite .Values.videoRecorder .Values.relayNode.videoRecorder) -}}
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{{- $_ = set $podScope "uploader" (get .Values.videoRecorder (.Values.videoRecorder.uploader.name | toString)) -}}
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{{- $_ = set $podScope "podTemplate" (include "seleniumGrid.podTemplate" $podScope | fromYaml) }}
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{{- include "seleniumGrid.autoscalingTemplate" $podScope | nindent 2 }}
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{{- end }}

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

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{{- if and .Values.relayNode.enabled .Values.relayNode.service.enabled }}
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apiVersion: v1
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kind: Service
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metadata:
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name: {{ template "seleniumGrid.relayNode.fullname" . }}
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namespace: {{ .Release.Namespace }}
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labels:
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name: {{ template "seleniumGrid.relayNode.fullname" . }}
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{{- include "seleniumGrid.commonLabels" . | nindent 4 }}
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{{- with .Values.relayNode.service.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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spec:
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type: {{ .Values.relayNode.service.type }}
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selector:
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app: {{ template "seleniumGrid.relayNode.fullname" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- if and (eq .Values.relayNode.service.type "LoadBalancer") (.Values.relayNode.service.loadBalancerIP) }}
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loadBalancerIP: {{ .Values.relayNode.service.loadBalancerIP }}
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{{- end }}
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ports:
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- name: tcp-chrome
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protocol: TCP
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port: {{ .Values.relayNode.port }}
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targetPort: {{ .Values.relayNode.port }}
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{{- if and (eq $.Values.relayNode.service.type "NodePort") .Values.relayNode.nodePort }}
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nodePort: {{ .Values.relayNode.nodePort }}
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{{- end }}
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{{- with .Values.relayNode.service.ports }}
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{{- range . }}
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- name: {{ .name }}
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port: {{ .port }}
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targetPort: {{ .targetPort }}
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{{- if .protocol }}
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protocol: {{ .protocol }}
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{{- end }}
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{{- if and (eq $.Values.relayNode.service.type "NodePort") .nodePort }}
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nodePort: {{ .nodePort }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- end }}

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