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chart(feat): add graphql metrics exporter for monitoring (#2425)
1 parent 1a9aa38 commit ea7b913

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lines changed

‎Base/Dockerfile

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FROM ubuntu:noble-20240827.1
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FROM ubuntu:noble-20240904.1
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ARG AUTHORS=SeleniumHQ
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LABEL authors="${AUTHORS} <selenium-developers@googlegroups.com>"
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LABEL org.opencontainers.image.source="https://github.com/${AUTHORS}/docker-selenium"

‎Makefile

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@@ -29,7 +29,7 @@ SBOM_OUTPUT := $(or $(SBOM_OUTPUT),$(SBOM_OUTPUT),package_versions.txt)
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KEDA_TAG_PREV_VERSION := $(or $(KEDA_TAG_PREV_VERSION),$(KEDA_TAG_PREV_VERSION),2.15.1-selenium-grid)
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KEDA_TAG_VERSION := $(or $(KEDA_TAG_VERSION),$(KEDA_TAG_VERSION),2.15.1-selenium-grid)
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KEDA_BASED_NAME := $(or $(KEDA_BASED_NAME),$(KEDA_BASED_NAME),ndviet)
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KEDA_BASED_TAG := $(or $(KEDA_BASED_TAG),$(KEDA_BASED_TAG),2.15.1-selenium-grid)
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KEDA_BASED_TAG := $(or $(KEDA_BASED_TAG),$(KEDA_BASED_TAG),2.15.1-selenium-grid-20241007)
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all: hub \
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distributor \

‎NodeBase/Dockerfile

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@@ -118,6 +118,7 @@ RUN --mount=type=secret,id=SEL_PASSWD \
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&& unzip -x websockify.zip \
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&& rm websockify.zip \
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&& mv websockify-${WEBSOCKIFY_VERSION} /opt/bin/noVNC/utils/websockify \
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&& chmod +x /opt/bin/noVNC/utils/websockify/run \
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&& rm -rf /opt/bin/noVNC/utils/websockify/docker /opt/bin/noVNC/utils/websockify/tests \
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#========================================================================
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# Run this command for executable file permissions for /dev/shm when #

‎README.md

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[![Release Charts](https://github.com/SeleniumHQ/docker-selenium/actions/workflows/helm-chart-release.yml/badge.svg)](https://github.com/SeleniumHQ/docker-selenium/actions/workflows/helm-chart-release.yml)
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[![Nightly](https://github.com/SeleniumHQ/docker-selenium/actions/workflows/nightly.yml/badge.svg)](https://github.com/SeleniumHQ/docker-selenium/actions/workflows/nightly.yml)
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[![Update Dev/Beta Browser Images](https://github.com/SeleniumHQ/docker-selenium/actions/workflows/update-dev-beta-browser-images.yml/badge.svg)](https://github.com/SeleniumHQ/docker-selenium/actions/workflows/update-dev-beta-browser-images.yml)
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[![Releases downloads](https://img.shields.io/github/downloads/seleniumhq/docker-selenium/total.svg)](https://github.com/SeleniumHQ/docker-selenium/releases)
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# Docker images for the Selenium Grid Server
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‎charts/selenium-grid/CONFIGURATION.md

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@@ -79,7 +79,7 @@ A Helm chart for creating a Selenium Grid Server in Kubernetes
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| serviceAccount.create | bool | `true` | Create a service account for all components. If using an external service account, set to false and provide its name in `nameOverride` below |
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| serviceAccount.nameOverride | string | `nil` | Override to use an external service account |
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| serviceAccount.annotations | object | `{}` | Annotations for the service account |
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| rbacRole | object | `{"annotations":{},"create":true,"nameOverride":null,"rules":[{"apiGroups":["keda.sh"],"resources":["scaledjobs"],"verbs":["get","list","patch","update","delete"]},{"apiGroups":["keda.sh"],"resources":["scaledobjects"],"verbs":["get","list","patch","update","delete"]},{"apiGroups":["autoscaling"],"resources":["horizontalpodautoscalers"],"verbs":["get","list","patch","update","delete"]}]}` | RBAC settings for patching finalizers KEDA scaled resources |
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| rbacRole | object | `{"annotations":{},"create":true,"nameOverride":null,"rules":[{"apiGroups":["keda.sh"],"resources":["scaledjobs"],"verbs":["get","list","patch","update","delete"]},{"apiGroups":["keda.sh"],"resources":["scaledobjects"],"verbs":["get","list","patch","update","delete"]},{"apiGroups":["keda.sh"],"resources":["triggerauthentication"],"verbs":["get","list","patch","update","delete"]},{"apiGroups":["autoscaling"],"resources":["horizontalpodautoscalers"],"verbs":["get","list","patch","update","delete"]}]}` | RBAC settings for patching finalizers KEDA scaled resources |
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| rbacRole.create | bool | `true` | Enable to create RBAC role to access few KEDA resources. If using an external role, set to false and provide its name in `nameOverride` below |
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| rbacRole.nameOverride | string | `nil` | Override resource name or provide an external role name |
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| rbacRoleBinding | object | `{"annotations":{},"create":true,"nameOverride":null,"roleRef":{"apiGroup":"rbac.authorization.k8s.io","kind":"Role"},"subjects":[{"kind":"ServiceAccount"}]}` | RBAC role binding settings for patching finalizers KEDA scaled resources |
@@ -307,6 +307,22 @@ A Helm chart for creating a Selenium Grid Server in Kubernetes
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| tracing.ingress.paths | list | `[{"backend":{"service":{"name":"{{ .Release.Name }}-jaeger-query","port":{"number":16686}}},"path":"/jaeger","pathType":"Prefix"}]` | Configure paths for Jaeger ingress resource |
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| monitoring.enabled | bool | `false` | |
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| monitoring.enabledWithExistingAgent | bool | `false` | |
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| monitoring.exporter.nameOverride | string | `""` | |
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| monitoring.exporter.imageRegistry | string | `"ricardbejarano"` | |
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| monitoring.exporter.imageName | string | `"graphql_exporter"` | |
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| monitoring.exporter.imageTag | string | `"latest"` | |
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| monitoring.exporter.imagePullSecret | string | `""` | Custom pull secret for container in patch job |
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| monitoring.exporter.annotations | object | `{}` | |
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| monitoring.exporter.port | int | `9199` | |
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| monitoring.exporter.service.enabled | bool | `true` | Create a service for exporter |
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| monitoring.exporter.service.type | string | `"ClusterIP"` | Service type |
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| monitoring.exporter.service.loadBalancerIP | string | `""` | Set specific loadBalancerIP when serviceType is LoadBalancer (see https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer) |
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| monitoring.exporter.service.nodePort | int | `30199` | Node port for service |
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| monitoring.exporter.service.annotations | object | `{}` | Annotations for exporter service |
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| monitoring.exporter.replicas | int | `1` | |
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| monitoring.additionalScrapeConfigs.key | string | `""` | |
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| monitoring.additionalScrapeConfigs.value | string | `""` | |
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| monitoring.annotations | object | `{}` | |
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| autoscaling.enabled | bool | `false` | Enable autoscaling. Implies installing KEDA |
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| autoscaling.enableWithExistingKEDA | bool | `false` | Enable autoscaling without automatically installing KEDA |
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| autoscaling.scalingType | string | `"job"` | Which type of KEDA scaling to use: job or deployment |
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| autoscaling.patchObjectFinalizers.annotations | object | `{"helm.sh/hook":"post-install,post-upgrade,post-rollback,pre-delete","helm.sh/hook-delete-policy":"hook-succeeded,before-hook-creation","helm.sh/hook-weight":"-1"}` | Annotations for patch job |
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| autoscaling.patchObjectFinalizers.serviceAccount | string | `""` | Define an external service account name contains permissions to patch KEDA scaled resources |
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| autoscaling.patchObjectFinalizers.imagePullSecret | string | `""` | Custom pull secret for container in patch job |
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| autoscaling.patchObjectFinalizers.resources | object | `{"limits":{"cpu":"50m","memory":"50Mi"},"requests":{"cpu":"10m","memory":"10Mi"}}` | Define resources for container in patch job |
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| autoscaling.patchObjectFinalizers.resources | object | `{"limits":{"cpu":"200m","memory":"500Mi"},"requests":{"cpu":"100m","memory":"200Mi"}}` | Define resources for container in patch job |
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| autoscaling.scaledOptions | object | `{"maxReplicaCount":8,"minReplicaCount":0,"pollingInterval":10}` | Options for KEDA scaled resources (keep only common options used for both ScaledJob and ScaledObject) |
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| autoscaling.scaledOptions.minReplicaCount | int | `0` | Minimum number of replicas |
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| autoscaling.scaledOptions.maxReplicaCount | int | `8` | Maximum number of replicas |
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| keda.http.timeout | int | `60000` | |
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| keda.webhooks | object | `{"enabled":false}` | Enable KEDA admission webhooks component |
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| ingress-nginx | object | `{"controller":{"admissionWebhooks":{"enabled":false}}}` | Configuration for dependency chart ingress-nginx |
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| kube-prometheus-stack | object | `{"cleanPrometheusOperatorObjectNames":true}` | Configuration for dependency chart kube-prometheus-stack |
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| kube-prometheus-stack | object | `{"cleanPrometheusOperatorObjectNames":true,"prometheus":{"prometheusSpec":{"additionalConfig":{"additionalScrapeConfigs":{"key":"{{ template \"seleniumGrid.monitoring.scrape.key\" $ }}","name":"{{ template \"seleniumGrid.monitoring.exporter.fullname\" $ }}"}}}}}` | Configuration for dependency chart kube-prometheus-stack |
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| jaeger | object | `{"agent":{"enabled":false},"allInOne":{"enabled":true,"extraEnv":[{"name":"QUERY_BASE_PATH","value":"/jaeger"}]},"collector":{"enabled":false},"provisionDataStore":{"cassandra":false},"query":{"enabled":false},"storage":{"type":"badger"}}` | Configuration for dependency chart jaeger |
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‎charts/selenium-grid/configs/scrape/selenium-grid.yaml

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- job_name: "selenium-grid-analytics"
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metrics_path: "/query"
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bearer_token: ""
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params:
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endpoint:
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- '{{ template "seleniumGrid.monitoring.graphqlURL" $ }}'
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query:
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- |
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{ grid { sessionCount, maxSession, totalSlots, nodeCount, sessionQueueSize }, nodesInfo { nodes { id, status, sessionCount, maxSession, slotCount, stereotypes, sessions { id, capabilities, sessionDurationMillis, slot { id, stereotype } } } }, sessionsInfo { sessionQueueRequests } }
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zoneTag: []
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tls_config:
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insecure_skip_verify: true
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static_configs:
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- targets:
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- '{{ template "seleniumGrid.monitoring.exporter.fullname" $ }}.{{ .Release.Namespace }}:{{ $.Values.monitoring.exporter.port }}'

‎charts/selenium-grid/templates/_helpers.tpl

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@@ -659,6 +659,13 @@ Graphql Url of the hub or the router
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{{- printf "%s/graphql" (include "seleniumGrid.server.url" $) -}}
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{{- end -}}
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{{/*
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Graphql Url for internal monitoring exporter
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*/}}
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{{- define "seleniumGrid.monitoring.graphqlURL" -}}
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{{- printf "%s://%s%s%s%s/graphql" (include "seleniumGrid.server.url.schema" .) (include "seleniumGrid.url.basicAuth" .) (include "seleniumGrid.server.url.host" .) (include "seleniumGrid.server.url.port" .) (include "seleniumGrid.url.subPath" .) -}}
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{{- end -}}
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{{- define "seleniumGrid.url.schema" -}}
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{{- $schema := "http" -}}
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{{- if or (eq (include "seleniumGrid.server.secureConnection" $) "true") (eq (include "seleniumGrid.ingress.secureConnection" $) "true") -}}

‎charts/selenium-grid/templates/_nameHelpers.tpl

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{{- end -}}
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{{- end -}}
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{{/*
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Selenium metrics exporter fullname
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*/}}
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{{- define "seleniumGrid.monitoring.exporter.fullname" -}}
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{{- tpl (default (include "seleniumGrid.component.name" (list "selenium-metrics-exporter" $)) ($.Values.monitoring).exporter.nameOverride) $ | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Selenium metrics scrape key in secret resource
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*/}}
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{{- define "seleniumGrid.monitoring.scrape.key" -}}
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{{- tpl (default (include "seleniumGrid.component.name" (list "selenium-grid-scrape" $)) ($.Values.monitoring).additionalScrapeConfigs.key) $ | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Selenium Hub fullname
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*/}}

‎charts/selenium-grid/templates/monitoring-exporter-deployment.yaml

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{{- if eq (include "seleniumGrid.monitoring.enabled" $) "true" }}
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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.monitoring.exporter.fullname" $ }}
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namespace: {{ .Release.Namespace }}
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labels: &exporter_labels
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app: {{ template "seleniumGrid.monitoring.exporter.fullname" $ }}
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app.kubernetes.io/name: {{ template "seleniumGrid.monitoring.exporter.fullname" $ }}
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{{- include "seleniumGrid.commonLabels" . | nindent 4 }}
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spec:
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replicas: {{ .Values.monitoring.exporter.replicas }}
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selector:
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matchLabels:
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app: {{ template "seleniumGrid.monitoring.exporter.fullname" $ }}
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app.kubernetes.io/name: {{ template "seleniumGrid.monitoring.exporter.fullname" $ }}
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template:
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metadata:
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labels: *exporter_labels
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annotations:
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{{- with .Values.monitoring.exporter.annotations }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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spec:
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{{- if or .Values.global.seleniumGrid.imagePullSecret .Values.monitoring.exporter.imagePullSecret }}
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imagePullSecrets:
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- name: {{ default .Values.global.seleniumGrid.imagePullSecret .Values.monitoring.exporter.imagePullSecret }}
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{{- end }}
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containers:
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- name: graphql-exporter
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{{- $imageRegistry := default .Values.global.seleniumGrid.imageRegistry .Values.monitoring.exporter.imageRegistry }}
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image: {{ printf "%s/%s:%s" $imageRegistry .Values.monitoring.exporter.imageName .Values.monitoring.exporter.imageTag | quote }}
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ports:
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- containerPort: {{ .Values.monitoring.exporter.port }}
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{{- end }}

‎charts/selenium-grid/templates/monitoring-exporter-service.yaml

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{{- if eq (include "seleniumGrid.monitoring.enabled" $) "true" }}
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apiVersion: v1
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kind: Service
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metadata:
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name: {{ template "seleniumGrid.monitoring.exporter.fullname" $ }}
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namespace: {{ .Release.Namespace }}
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labels:
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app: {{ template "seleniumGrid.monitoring.exporter.fullname" $ }}
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app.kubernetes.io/name: {{ template "seleniumGrid.monitoring.exporter.fullname" $ }}
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{{- include "seleniumGrid.commonLabels" . | nindent 4 }}
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spec:
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selector:
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app: {{ template "seleniumGrid.monitoring.exporter.fullname" $ }}
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app.kubernetes.io/name: {{ template "seleniumGrid.monitoring.exporter.fullname" $ }}
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type: {{ .Values.monitoring.exporter.service.type }}
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{{- if and (eq .Values.monitoring.exporter.service.type "LoadBalancer") ( .Values.monitoring.exporter.service.loadBalancerIP ) }}
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loadBalancerIP: {{ .Values.monitoring.exporter.service.loadBalancerIP }}
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{{- end }}
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ports:
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- name: http-port
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protocol: TCP
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port: {{ .Values.monitoring.exporter.port }}
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targetPort: {{ .Values.monitoring.exporter.port }}
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{{- if and (eq .Values.monitoring.exporter.service.type "NodePort") .Values.monitoring.exporter.service.nodePort }}
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nodePort: {{ .Values.monitoring.exporter.service.nodePort }}
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{{- end }}
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{{- end }}

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