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[bitnami/cassandra] Cassandra exporter doesn't allow custom ports (#12576)
* [bitnami/cassandra] add configmap definition Signed-off-by: Alberto Otero Lorenzo <lorenzoa@vmware.com> * [bitnami/cassandra] add volumes Signed-off-by: Alberto Otero Lorenzo <lorenzoa@vmware.com> * [bitnami/cassandra] add doc Signed-off-by: Alberto Otero Lorenzo <lorenzoa@vmware.com> * Update README.md with readme-generator-for-helm Signed-off-by: Bitnami Containers <bitnami-bot@vmware.com> * [bitnami/cassandra] minor bump Signed-off-by: Alberto Otero Lorenzo <lorenzoa@vmware.com> * [bitnami/cassandra] fix configmap naming Signed-off-by: Alberto Otero Lorenzo <lorenzoa@vmware.com> * [bitnami/cassandra] debug Signed-off-by: Alberto Otero Lorenzo <lorenzoa@vmware.com> * [bitnami/cassandra] revert debug Signed-off-by: Alberto Otero Lorenzo <lorenzoa@vmware.com> Signed-off-by: Alberto Otero Lorenzo <lorenzoa@vmware.com> Signed-off-by: Bitnami Containers <bitnami-bot@vmware.com> Co-authored-by: Bitnami Containers <bitnami-bot@vmware.com>
This commit is contained in:
Alberto Otero
@@ -23,4 +23,4 @@ name: cassandra
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sources:
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- https://github.com/bitnami/containers/tree/main/bitnami/cassandra
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- http://cassandra.apache.org
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version: 9.5.0
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version: 9.6.0
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@@ -274,6 +274,7 @@ The command removes all the Kubernetes components associated with the chart and
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| `metrics.serviceMonitor.labels` | Used to pass Labels that are required by the installed Prometheus Operator | `{}` |
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| `metrics.containerPorts.http` | HTTP Port on the Host and Container | `8080` |
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| `metrics.containerPorts.jmx` | JMX Port on the Host and Container | `5555` |
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| `metrics.configuration` | Configure Cassandra-exporter with a custom config.yml file | `""` |
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### TLS/SSL parameters
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@@ -252,3 +252,10 @@ otherwise it generates a new one.
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{{- printf "%s###%s###%s" $ca $crt $key -}}
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{{- end }}
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{{/*
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Get the metrics config map name.
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*/}}
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{{- define "cassandra.metricsConfConfigMap" -}}
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{{- printf "%s-metrics-conf" (include "common.names.fullname" . ) | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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17
bitnami/cassandra/templates/metrics-configmap.yaml
Normal file
17
bitnami/cassandra/templates/metrics-configmap.yaml
Normal file
@@ -0,0 +1,17 @@
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: {{ printf "%s-metrics-conf" (include "common.names.fullname" .) | trunc 63 | trimSuffix "-" }}
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namespace: {{ .Release.Namespace | quote }}
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labels: {{- include "common.labels.standard" . | nindent 4 }}
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app.kubernetes.io/part-of: cassandra
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app.kubernetes.io/component: cassandra-exporter
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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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config.yml: |-
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{{- include "common.tplvalues.render" (dict "value" .Values.metrics.configuration "context" $) | nindent 4 }}
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@@ -490,8 +490,11 @@ spec:
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failureThreshold: {{ .Values.metrics.readinessProbe.failureThreshold }}
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successThreshold: {{ .Values.metrics.readinessProbe.successThreshold }}
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{{- end }}
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{{- if .Values.metrics.extraVolumeMounts }}
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volumeMounts:
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- name: metrics-conf
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mountPath: /opt/bitnami/cassandra-exporter/config.yml
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subPath: config.yml
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{{- if .Values.metrics.extraVolumeMounts }}
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{{- include "common.tplvalues.render" (dict "value" .Values.metrics.extraVolumeMounts "context" $) | nindent 12 }}
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{{- end }}
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{{- end }}
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@@ -499,6 +502,9 @@ spec:
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{{- include "common.tplvalues.render" (dict "value" .Values.sidecars "context" $) | nindent 8 }}
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{{- end }}
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volumes:
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- name: metrics-conf
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configMap:
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name: {{ include "cassandra.metricsConfConfigMap" . }}
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{{- if (include "cassandra.tlsEncryption" . ) }}
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- name: certs
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secret:
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@@ -770,6 +770,67 @@ metrics:
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http: 8080
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jmx: 5555
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## @param metrics.configuration [string] Configure Cassandra-exporter with a custom config.yml file
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## ref: https://github.com/criteo/cassandra_exporter/blob/master/config.yml
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##
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configuration: |
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host: localhost:{{ .Values.metrics.containerPorts.jmx }}
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ssl: False
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user:
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password:
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listenPort: {{ .Values.metrics.containerPorts.http }}
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blacklist:
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# To profile the duration of jmx call you can start the program with the following options
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# > java -Dorg.slf4j.simpleLogger.defaultLogLevel=trace -jar cassandra_exporter.jar config.yml --oneshot
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#
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# To get intuition of what is done by cassandra when something is called you can look in cassandra
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# https://github.com/apache/cassandra/tree/trunk/src/java/org/apache/cassandra/metrics
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# Please avoid to scrape frequently those calls that are iterating over all sstables
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# Unaccessible metrics (not enough privilege)
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- java:lang:memorypool:.*usagethreshold.*
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# Leaf attributes not interesting for us but that are presents in many path
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- .*:999thpercentile
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- .*:95thpercentile
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- .*:fifteenminuterate
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- .*:fiveminuterate
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- .*:durationunit
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- .*:rateunit
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- .*:stddev
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- .*:meanrate
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- .*:mean
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- .*:min
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# Path present in many metrics but uninterresting
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- .*:viewlockacquiretime:.*
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- .*:viewreadtime:.*
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- .*:cas[a-z]+latency:.*
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- .*:colupdatetimedeltahistogram:.*
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# Mostly for RPC, do not scrap them
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- org:apache:cassandra:db:.*
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# columnfamily is an alias for Table metrics
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# https://github.com/apache/cassandra/blob/8b3a60b9a7dbefeecc06bace617279612ec7092d/src/java/org/apache/cassandra/metrics/TableMetrics.java#L162
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- org:apache:cassandra:metrics:columnfamily:.*
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# Should we export metrics for system keyspaces/tables ?
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- org:apache:cassandra:metrics:[^:]+:system[^:]*:.*
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# Don't scrap us
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- com:criteo:nosql:cassandra:exporter:.*
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maxScrapFrequencyInSec:
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50:
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- .*
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# Refresh those metrics only every hour as it is costly for cassandra to retrieve them
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3600:
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- .*:snapshotssize:.*
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- .*:estimated.*
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- .*:totaldiskspaceused:.*
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## @section TLS/SSL parameters
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##
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