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[bitnami/tomcat] Add JMX metrics support (#7623)
* Update servicemonitor.yaml Add template render for .Values.metrics.serviceMonitor.additionalLabels * [bitnami/postgresql] add template render for .Values.primary.extraVolumes * [bitnami/postgresql] Add template render for .Values.readReplicas.extraVolumes * [bitnami/postgresql] Update documentation about new value evaluated as a template (primary.extraVolumes, readReplicas.extraVolumes and metrics.serviceMonitor.additionalLabels). * [bitnami/postgres] Bump chart version * [bitnami/zookeeper] Update ExtraVolumes as template render, add sidecar to POD and ZOO_LOG4J_PROP environment variables * [bitnami/postgresql] Remove information (value evaluated as a template) from README.md * [bitnami/zookeeper] Remove information to Readme, empty space at end of the line 294 bitnami/zookeeper/templates/statefulset.yaml and move comment on values * [bitnami/zookeeper] Bump zookeeper chart version * [bitnbami/zookeeper] Fix missnaming and nexw line on values and Fix README * [bitnbami/postgresql] Fix README * [bitnbami/postgresql] Fix README * [bitnbami/postgresql] Bump postgresql version * Update Chart.yaml Include new line at the end of the file * [bitnami/tomcat] Add JMX support on tomcat chart * [bitnami/tomcat] Fix tomcat image to r10 * [bitnami/tomcat] Fix image ref * [bitnami/tomcat] Fix Chart.yaml * [bitnami/tomcat] Fix metadata non existing key * [bitnami/tomcat] Fix metadata missing * [bitnami/tomcat] Fix trailing-spaces * [bitnami/tomcat] Fix trailing-spaces * [bitnami/tomcat] Fix requested changes * [bitnami/tomcat] Fix requested changes * [bitnami/tomcat] Bump version * Update bitnami/tomcat/templates/podmonitor.yaml Co-authored-by: Miguel Ángel Cabrera Miñagorri <devgorri@gmail.com> * Update bitnami/tomcat/templates/podmonitor.yaml Co-authored-by: Miguel Ángel Cabrera Miñagorri <devgorri@gmail.com> * Update bitnami/tomcat/templates/podmonitor.yaml Co-authored-by: Miguel Ángel Cabrera Miñagorri <devgorri@gmail.com> * [bitnami/tomcat] remove unnecessary --- at begining * Update bitnami/tomcat/Chart.yaml Co-authored-by: Miguel Ángel Cabrera Miñagorri <devgorri@gmail.com> * [bitnami/tomcat] update requested change * [bitnami/tomcat] Add validationValues function * [bitnami/tomcat] Update bitnami/tomcat/templates/_pod.tpl Co-authored-by: Miguel Ángel Cabrera Miñagorri <devgorri@gmail.com> * [bitnami/tomcat] Bump version * Update bitnami/tomcat/Chart.yaml Co-authored-by: Miguel Ángel Cabrera Miñagorri <devgorri@gmail.com> * [bitnami/tomcat] Remove empty line * Update bitnami/tomcat/templates/_helpers.tpl Co-authored-by: Miguel Ángel Cabrera Miñagorri <devgorri@gmail.com> * Update bitnami/tomcat/templates/_helpers.tpl Co-authored-by: Miguel Ángel Cabrera Miñagorri <devgorri@gmail.com> * [bitnami/tomcat] stadardize port Name and number * [bitnami/tomcat] update values and readme * [bitnami/tomcat] update values * Update bitnami/tomcat/templates/_pod.tpl Co-authored-by: Miguel Ángel Cabrera Miñagorri <devgorri@gmail.com> Co-authored-by: baudelet <bbaudelet.soprasteria@lfdj.com> Co-authored-by: alvneiayu <alvaron@vmware.com> Co-authored-by: Miguel Ángel Cabrera Miñagorri <devgorri@gmail.com> Co-authored-by: Miguel Ángel Cabrera Miñagorri <mcabrera@vmware.com>
This commit is contained in:
bbaudelet
@@ -26,4 +26,4 @@ name: tomcat
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sources:
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- https://github.com/bitnami/bitnami-docker-tomcat
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- http://tomcat.apache.org
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version: 9.4.5
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version: 9.5.0
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@@ -83,6 +83,7 @@ The command removes all the Kubernetes components associated with the chart and
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| `tomcatUsername` | Tomcat admin user | `user` |
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| `tomcatPassword` | Tomcat admin password | `""` |
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| `tomcatAllowRemoteManagement` | Enable remote access to management interface | `0` |
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| `catalinaOpts` | Java runtime option used by tomcat JVM | `""` |
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| `command` | Override default container command (useful when using custom images) | `[]` |
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| `args` | Override default container args (useful when using custom images) | `[]` |
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| `extraEnvVars` | Extra environment variables to be set on Tomcat container | `[]` |
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@@ -185,6 +186,30 @@ The command removes all the Kubernetes components associated with the chart and
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| `volumePermissions.resources.requests` | Init container volume-permissions resource requests | `{}` |
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### Metrics parameters
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| Name | Description | Value |
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| ------------------------------------- | ---------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| `metrics.jmx.enabled` | Whether or not to expose JMX metrics to Prometheus | `false` |
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| `metrics.jmx.catalinaOpts` | custom option used to enabled JMX on tomcat jvm evaluated as template | `-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=5555 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.local.only=true` |
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| `metrics.jmx.image.registry` | JMX exporter image registry | `docker.io` |
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| `metrics.jmx.image.repository` | JMX exporter image repository | `bitnami/jmx-exporter` |
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| `metrics.jmx.image.tag` | JMX exporter image tag (immutable tags are recommended) | `0.16.1-debian-10-r73` |
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| `metrics.jmx.image.pullPolicy` | JMX exporter image pull policy | `IfNotPresent` |
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| `metrics.jmx.image.pullSecrets` | Specify docker-registry secret names as an array | `[]` |
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| `metrics.jmx.config` | Configuration file for JMX exporter | `""` |
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| `metrics.jmx.resources.limits` | JMX Exporter container resource limits | `{}` |
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| `metrics.jmx.resources.requests` | JMX Exporter container resource requests | `{}` |
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| `metrics.jmx.ports.metrics` | JMX Exporter container metrics ports | `5556` |
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| `metrics.jmx.existingConfigmap` | Name of existing ConfigMap with JMX exporter configuration | `""` |
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| `metrics.podMonitor.podTargetLabels` | Used to keep given pod's labels in target | `[]` |
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| `metrics.podMonitor.enabled` | Create PodMonitor Resource for scraping metrics using PrometheusOperator | `false` |
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| `metrics.podMonitor.interval` | Specify the interval at which metrics should be scraped | `30s` |
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| `metrics.podMonitor.scrapeTimeout` | Specify the timeout after which the scrape is ended | `30s` |
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| `metrics.podMonitor.additionalLabels` | Additional labels that can be used so PodMonitors will be discovered by Prometheus | `{}` |
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| `metrics.podMonitor.relabelings` | Prometheus relabeling rules | `[]` |
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The above parameters map to the env variables defined in [bitnami/tomcat](http://github.com/bitnami/bitnami-docker-tomcat). For more information please refer to the [bitnami/tomcat](http://github.com/bitnami/bitnami-docker-tomcat) image documentation.
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Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
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@@ -51,3 +51,4 @@
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{{- $requiredTomcatPasswordError := include "common.validations.values.single.empty" $requiredTomcatPassword -}}
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{{- $passwordValidationErrors = append $passwordValidationErrors $requiredTomcatPasswordError -}}
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{{- include "common.errors.upgrade.passwords.empty" (dict "validationErrors" $passwordValidationErrors "context" $) -}}
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{{- include "tomcat.validateValues" . -}}
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@@ -7,6 +7,15 @@ Return the proper Tomcat image name
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{{ include "common.images.image" (dict "imageRoot" .Values.image "global" .Values.global) }}
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{{- end -}}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "tomcat.fullname" -}}
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{{- include "common.names.fullname" . -}}
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{{- end -}}
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{{/*
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Return the proper image name (for the init container volume-permissions image)
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*/}}
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@@ -18,7 +27,7 @@ Return the proper image name (for the init container volume-permissions image)
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Return the proper Docker Image Registry Secret Names
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*/}}
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{{- define "tomcat.imagePullSecrets" -}}
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{{- include "common.images.pullSecrets" (dict "images" (list .Values.image .Values.volumePermissions.image) "global" .Values.global) -}}
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{{- include "common.images.pullSecrets" (dict "images" (list .Values.image .Values.volumePermissions.image .Values.metrics.jmx.image) "global" .Values.global) -}}
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{{- end -}}
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{{/*
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@@ -35,3 +44,54 @@ Expand the name of the chart.
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{{- define "tomcat.pvc" -}}
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{{- coalesce .Values.persistence.existingClaim (include "common.names.fullname" .) -}}
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{{- end -}}
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{{/*
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Return the proper CATALINA_OPTS value
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*/}}
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{{- define "tomcat.catalinaOpts" -}}
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{{- printf "%s %s" .Values.catalinaOpts .Values.metrics.jmx.catalinaOpts | trim -}}
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{{- end -}}
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{{/*
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Return the proper JMX exporter image name
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*/}}
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{{- define "tomcat.metrics.jmx.image" -}}
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{{- include "common.images.image" (dict "imageRoot" .Values.metrics.jmx.image "global" .Values.global) -}}
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{{- end -}}
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{{/*
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Return the tomcat jmx configuration configmap
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*/}}
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{{- define "tomcat.metrics.jmx.configmapName" -}}
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{{- if .Values.metrics.jmx.existingConfigmap -}}
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{{- printf "%s" (tpl .Values.metrics.jmx.existingConfigmap $) -}}
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{{- else -}}
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{{- printf "%s-jmx-configuration" (include "tomcat.fullname" .) -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Compile all warnings into a single message, and call fail.
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*/}}
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{{- define "tomcat.validateValues" -}}
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{{- $messages := list -}}
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{{- $messages := append $messages (include "tomcat.validateValues.jmxConfig" .) -}}
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{{- $messages := without $messages "" -}}
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{{- $message := join "\n" $messages -}}
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{{- if $message -}}
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{{- printf "\nVALUES VALIDATION:\n%s" $message | fail -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Check if jmx metrics is enabled, then either metrics.jmx.config or metrics.jmx.existingConfigmap must be set.
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*/}}
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{{- define "tomcat.validateValues.jmxConfig" -}}
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{{- if and .Values.metrics.jmx.enabled (not .Values.metrics.jmx.config) (not .Values.metrics.jmx.existingConfigmap) -}}
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tomcat: metrics.jmx.enabled
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In order to enable JMX metrics, you also need to provide
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the prometheus/jmx_exporter configuration or
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provide an existing ConfigMap.
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{{- end -}}
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{{- end -}}
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@@ -37,7 +37,7 @@ initContainers:
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- |
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chown -R {{ .Values.containerSecurityContext.runAsUser }}:{{ .Values.podSecurityContext.fsGroup }} /bitnami/tomcat
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securityContext:
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runAsUser: 0
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runAsUser: 0
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{{- if .Values.volumePermissions.resources }}
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resources: {{- toYaml .Values.volumePermissions.resources | nindent 4 }}
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{{- end }}
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@@ -73,6 +73,10 @@ containers:
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key: tomcat-password
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- name: TOMCAT_ALLOW_REMOTE_MANAGEMENT
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value: {{ .Values.tomcatAllowRemoteManagement | quote }}
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{{- if or .Values.catalinaOpts .Values.metrics.jmx.enabled }}
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- name: CATALINA_OPTS
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value: {{ include "tomcat.catalinaOpts" . | quote }}
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{{- end }}
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{{- if .Values.extraEnvVars }}
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{{- include "common.tplvalues.render" (dict "value" .Values.extraEnvVars "context" $) | nindent 2 }}
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{{- end }}
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@@ -115,6 +119,32 @@ containers:
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{{- if .Values.sidecars }}
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{{ include "common.tplvalues.render" ( dict "value" .Values.sidecars "context" $) }}
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{{- end }}
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{{- if .Values.metrics.jmx.enabled }}
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- name: jmx-exporter
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image: {{ template "tomcat.metrics.jmx.image" . }}
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imagePullPolicy: {{ .Values.metrics.jmx.image.pullPolicy | quote }}
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command:
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- java
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- -XX:+UnlockExperimentalVMOptions
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- -XX:+UseCGroupMemoryLimitForHeap
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- -XX:MaxRAMFraction=1
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- -XshowSettings:vm
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- -jar
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- jmx_prometheus_httpserver.jar
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- {{ .Values.metrics.jmx.ports.metrics | quote }}
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- /etc/jmx-tomcat/jmx-tomcat-prometheus.yml
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ports:
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{{- range $key, $val := .Values.metrics.jmx.ports }}
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- name: {{ $key }}
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containerPort: {{ $val }}
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{{- end }}
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{{- if .Values.metrics.jmx.resources }}
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resources: {{- toYaml .Values.metrics.jmx.resources | nindent 4 }}
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{{- end }}
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volumeMounts:
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- name: jmx-config
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mountPath: /etc/jmx-tomcat
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{{- end }}
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volumes:
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{{- if and .Values.persistence.enabled (eq .Values.deployment.type "deployment") }}
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- name: data
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@@ -126,6 +156,11 @@ volumes:
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- name: data
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emptyDir: {}
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{{- end }}
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{{- if .Values.metrics.jmx.enabled }}
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- name: jmx-config
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configMap:
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name: {{ include "tomcat.metrics.jmx.configmapName" . }}
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{{- end }}
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{{- if .Values.extraVolumes }}
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{{ include "common.tplvalues.render" (dict "value" .Values.extraVolumes "context" $) }}
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{{- end }}
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17
bitnami/tomcat/templates/jmx-configmap.yaml
Normal file
17
bitnami/tomcat/templates/jmx-configmap.yaml
Normal file
@@ -0,0 +1,17 @@
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{{- if and .Values.metrics.jmx.enabled .Values.metrics.jmx.config (not .Values.metrics.jmx.existingConfigmap) }}
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: {{ template "tomcat.fullname" . }}-jmx-configuration
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namespace: {{ .Release.Namespace | quote }}
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labels: {{- include "common.labels.standard" . | nindent 4 }}
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{{- if .Values.commonLabels }}
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{{- include "common.tplvalues.render" ( dict "value" .Values.commonLabels "context" $ ) | nindent 4 }}
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{{- end }}
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{{- if .Values.commonAnnotations }}
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annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
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{{- end }}
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data:
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jmx-tomcat-prometheus.yml: |-
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{{- include "common.tplvalues.render" ( dict "value" .Values.metrics.jmx.config "context" $ ) | nindent 4 }}
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{{- end -}}
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38
bitnami/tomcat/templates/podmonitor.yaml
Normal file
38
bitnami/tomcat/templates/podmonitor.yaml
Normal file
@@ -0,0 +1,38 @@
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{{- if and .Values.metrics.jmx.enabled .Values.metrics.podMonitor.enabled }}
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apiVersion: monitoring.coreos.com/v1
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kind: PodMonitor
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metadata:
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name: {{ template "common.names.fullname" . }}
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namespace: {{ .Release.Namespace | quote }}
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labels: {{- include "common.labels.standard" . | nindent 4 }}
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{{- if .Values.commonLabels }}
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{{- include "common.tplvalues.render" ( dict "value" .Values.commonLabels "context" $ ) | nindent 4 }}
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{{- end }}
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{{- include "common.tplvalues.render" ( dict "value" .Values.metrics.podMonitor.additionalLabels "context" $ ) | nindent 4 }}
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{{- if .Values.commonAnnotations }}
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annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
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{{- end }}
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spec:
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podTargetLabels: {{- include "common.tplvalues.render" ( dict "value" .Values.metrics.podMonitor.podTargetLabels "context" $ ) | nindent 4 }}
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podMetricsEndpoints:
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{{- range $key, $val := .Values.metrics.jmx.ports }}
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- port: {{ $key | quote }}
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path: /metrics
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{{- if $.Values.metrics.podMonitor.interval }}
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interval: {{ $.Values.metrics.podMonitor.interval }}
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{{- end }}
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{{- if $.Values.metrics.podMonitor.scrapeTimeout }}
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scrapeTimeout: {{ $.Values.metrics.podMonitor.scrapeTimeout }}
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{{- end }}
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{{- if $.Values.metrics.podMonitor.relabelings }}
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relabelings:
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{{- include "common.tplvalues.render" (dict "value" $.Values.metrics.podMonitor.relabelings "context" $) | nindent 8 }}
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{{- end }}
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{{- end }}
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namespaceSelector:
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matchNames:
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- {{ .Release.Namespace }}
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selector:
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matchLabels:
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{{- include "common.labels.matchLabels" . | nindent 6 }}
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{{- end }}
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@@ -87,6 +87,9 @@ tomcatPassword: ""
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## ref: https://github.com/bitnami/charts/tree/master/bitnami/tomcat#configuration
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##
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tomcatAllowRemoteManagement: 0
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## @param catalinaOpts Java runtime option used by tomcat JVM
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##
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catalinaOpts: ""
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## @param command Override default container command (useful when using custom images)
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##
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command: []
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@@ -487,3 +490,120 @@ volumePermissions:
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## cpu: 100m
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## memory: 128Mi
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requests: {}
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## @section Metrics parameters
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## Prometheus Exporters / Metrics
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##
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metrics:
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## Prometheus JMX Exporter: exposes the majority of tomcat jvm metrics
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##
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jmx:
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## @param metrics.jmx.enabled Whether or not to expose JMX metrics to Prometheus
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##
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enabled: false
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## @param metrics.jmx.catalinaOpts custom option used to enabled JMX on tomcat jvm evaluated as template
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##
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catalinaOpts: -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=5555 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.local.only=true
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## Bitnami JMX exporter image
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## ref: https://hub.docker.com/r/bitnami/jmx-exporter/tags/
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## @param metrics.jmx.image.registry JMX exporter image registry
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## @param metrics.jmx.image.repository JMX exporter image repository
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## @param metrics.jmx.image.tag JMX exporter image tag (immutable tags are recommended)
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## @param metrics.jmx.image.pullPolicy JMX exporter image pull policy
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## @param metrics.jmx.image.pullSecrets Specify docker-registry secret names as an array
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##
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image:
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registry: docker.io
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repository: bitnami/jmx-exporter
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tag: 0.16.1-debian-10-r73
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## Specify a imagePullPolicy
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## Defaults to 'Always' if image tag is 'latest', else set to 'IfNotPresent'
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## ref: http://kubernetes.io/docs/user-guide/images/#pre-pulling-images
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##
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pullPolicy: IfNotPresent
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## Optionally specify an array of imagePullSecrets (secrets must be manually created in the namespace)
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## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
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## Example:
|
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## pullSecrets:
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## - myRegistryKeySecretName
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##
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||||
pullSecrets: []
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## @param metrics.jmx.config [string] Configuration file for JMX exporter
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## Specify content for jmx-tomcat-prometheus.yml. Evaluated as a template
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||||
##
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config: |
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jmxUrl: service:jmx:rmi:///jndi/rmi://127.0.0.1:5555/jmxrmi
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startDelaySecs: 120
|
||||
ssl: false
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||||
lowercaseOutputName: true
|
||||
lowercaseOutputLabelNames: true
|
||||
attrNameSnakeCase: true
|
||||
## Prometheus JMX Exporter' resource requests and limits
|
||||
## ref: http://kubernetes.io/docs/user-guide/compute-resources/
|
||||
## We usually recommend not to specify default resources and to leave this as a conscious
|
||||
## choice for the user. This also increases chances charts run on environments with little
|
||||
## resources, such as Minikube. If you do want to specify resources, uncomment the following
|
||||
## lines, adjust them as necessary, and remove the curly braces after 'resources:'.
|
||||
## @param metrics.jmx.resources.limits JMX Exporter container resource limits
|
||||
## @param metrics.jmx.resources.requests JMX Exporter container resource requests
|
||||
##
|
||||
resources:
|
||||
## Example:
|
||||
## limits:
|
||||
## cpu: 100m
|
||||
## memory: 128Mi
|
||||
limits: {}
|
||||
## Examples:
|
||||
## requests:
|
||||
## cpu: 100m
|
||||
## memory: 128Mi
|
||||
requests: {}
|
||||
## @param metrics.jmx.ports.metrics JMX Exporter container metrics ports
|
||||
##
|
||||
ports:
|
||||
metrics: 5556
|
||||
## @param metrics.jmx.existingConfigmap Name of existing ConfigMap with JMX exporter configuration
|
||||
## NOTE: This will override metrics.jmx.config
|
||||
##
|
||||
existingConfigmap: ""
|
||||
## Prometheus pod Monitor
|
||||
## ref: https://github.com/prometheus-operator/prometheus-operator/blob/master/Documentation/api.md#podmonitorspec
|
||||
##
|
||||
podMonitor:
|
||||
## @param metrics.podMonitor.podTargetLabels Used to keep given pod's labels in target
|
||||
## e.g:
|
||||
## - app.kubernetes.io/name
|
||||
##
|
||||
podTargetLabels: []
|
||||
## @param metrics.podMonitor.enabled Create PodMonitor Resource for scraping metrics using PrometheusOperator
|
||||
##
|
||||
enabled: false
|
||||
## @param metrics.podMonitor.namespace Namespace in which Prometheus is running
|
||||
##
|
||||
namespace: monitoring
|
||||
## @param metrics.podMonitor.interval Specify the interval at which metrics should be scraped
|
||||
##
|
||||
interval: 30s
|
||||
## @param metrics.podMonitor.scrapeTimeout Specify the timeout after which the scrape is ended
|
||||
##
|
||||
scrapeTimeout: 30s
|
||||
## @param metrics.podMonitor.additionalLabels [object] Additional labels that can be used so PodMonitors will be discovered by Prometheus
|
||||
## ref: https://github.com/coreos/prometheus-operator/blob/master/Documentation/api.md#prometheusspec
|
||||
##
|
||||
additionalLabels: {}
|
||||
## @param metrics.podMonitor.scheme Scheme to use for scraping
|
||||
##
|
||||
scheme: http
|
||||
## @param metrics.podMonitor.tlsConfig [object] TLS configuration used for scrape endpoints used by Prometheus
|
||||
## ref: https://github.com/prometheus-operator/prometheus-operator/blob/master/Documentation/api.md#tlsconfig
|
||||
## e.g:
|
||||
## tlsConfig:
|
||||
## ca:
|
||||
## secret:
|
||||
## name: existingSecretName
|
||||
##
|
||||
tlsConfig: {}
|
||||
## @param metrics.podMonitor.relabelings [array] Prometheus relabeling rules
|
||||
##
|
||||
relabelings: []
|
||||
|
||||
Reference in New Issue
Block a user