feat: add full kube-prometheus-stack helm chart manifests and templates
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@@ -0,0 +1,237 @@
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{{/* vim: set filetype=mustache: */}}
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "prometheus-node-exporter.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
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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 "prometheus-node-exporter.fullname" -}}
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{{- if .Values.fullnameOverride }}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- $name := default .Chart.Name .Values.nameOverride }}
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{{- if contains $name .Release.Name }}
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{{- .Release.Name | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "prometheus-node-exporter.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Common labels
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*/}}
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{{- define "prometheus-node-exporter.labels" -}}
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helm.sh/chart: {{ include "prometheus-node-exporter.chart" . }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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app.kubernetes.io/component: metrics
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app.kubernetes.io/part-of: {{ include "prometheus-node-exporter.name" . }}
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{{ include "prometheus-node-exporter.selectorLabels" . }}
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{{- with .Chart.AppVersion }}
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app.kubernetes.io/version: {{ . | quote }}
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{{- end }}
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{{- with .Values.commonLabels }}
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{{ tpl (toYaml .) $ }}
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{{- end }}
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{{- if .Values.releaseLabel }}
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release: {{ .Release.Name }}
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{{- end }}
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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "prometheus-node-exporter.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "prometheus-node-exporter.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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{{/*
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Create the name of the service account to use
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*/}}
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{{- define "prometheus-node-exporter.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "prometheus-node-exporter.fullname" .) .Values.serviceAccount.name }}
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{{- else }}
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{{- default "default" .Values.serviceAccount.name }}
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{{- end }}
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{{- end }}
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{{/*
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The image to use
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*/}}
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{{- define "prometheus-node-exporter.image" -}}
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{{- if .Values.image.sha }}
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{{- fail "image.sha forbidden. Use image.digest instead" }}
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{{- else if .Values.image.digest }}
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{{- if .Values.global.imageRegistry }}
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{{- printf "%s/%s:%s@%s" .Values.global.imageRegistry .Values.image.repository (default (printf "v%s" .Chart.AppVersion) .Values.image.tag) .Values.image.digest }}
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{{- else }}
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{{- printf "%s/%s:%s@%s" .Values.image.registry .Values.image.repository (default (printf "v%s" .Chart.AppVersion) .Values.image.tag) .Values.image.digest }}
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{{- end }}
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{{- else }}
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{{- if .Values.global.imageRegistry }}
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{{- printf "%s/%s:%s" .Values.global.imageRegistry .Values.image.repository (default (printf "v%s" .Chart.AppVersion) .Values.image.tag) }}
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{{- else }}
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{{- printf "%s/%s:%s" .Values.image.registry .Values.image.repository (default (printf "v%s" .Chart.AppVersion) .Values.image.tag) }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Allow the release namespace to be overridden for multi-namespace deployments in combined charts
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*/}}
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{{- define "prometheus-node-exporter.namespace" -}}
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{{- if .Values.namespaceOverride }}
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{{- .Values.namespaceOverride }}
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{{- else }}
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{{- .Release.Namespace }}
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{{- end }}
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{{- end }}
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{{/*
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Create the namespace name of the service monitor
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*/}}
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{{- define "prometheus-node-exporter.monitor-namespace" -}}
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{{- if .Values.namespaceOverride }}
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{{- .Values.namespaceOverride }}
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{{- else }}
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{{- if .Values.prometheus.monitor.namespace }}
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{{- .Values.prometheus.monitor.namespace }}
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{{- else }}
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{{- .Release.Namespace }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/* Sets default scrape limits for servicemonitor */}}
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{{- define "servicemonitor.scrapeLimits" -}}
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{{- with .sampleLimit }}
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sampleLimit: {{ . }}
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{{- end }}
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{{- with .targetLimit }}
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targetLimit: {{ . }}
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{{- end }}
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{{- with .labelLimit }}
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labelLimit: {{ . }}
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{{- end }}
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{{- with .labelNameLengthLimit }}
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labelNameLengthLimit: {{ . }}
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{{- end }}
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{{- with .labelValueLengthLimit }}
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labelValueLengthLimit: {{ . }}
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{{- end }}
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{{- end }}
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{{/*
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Formats imagePullSecrets. Input is (dict "Values" .Values "imagePullSecrets" .{specific imagePullSecrets})
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*/}}
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{{- define "prometheus-node-exporter.imagePullSecrets" -}}
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{{- range (concat .Values.global.imagePullSecrets .imagePullSecrets) }}
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{{- if eq (typeOf .) "map[string]interface {}" }}
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- {{ toYaml . | trim }}
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{{- else }}
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- name: {{ . }}
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{{- end }}
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{{- end }}
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{{- end -}}
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{{/*
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Create the namespace name of the pod monitor
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*/}}
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{{- define "prometheus-node-exporter.podmonitor-namespace" -}}
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{{- if .Values.namespaceOverride }}
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{{- .Values.namespaceOverride }}
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{{- else }}
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{{- if .Values.prometheus.podMonitor.namespace }}
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{{- .Values.prometheus.podMonitor.namespace }}
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{{- else }}
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{{- .Release.Namespace }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/* Sets default scrape limits for podmonitor */}}
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{{- define "podmonitor.scrapeLimits" -}}
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{{- with .sampleLimit }}
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sampleLimit: {{ . }}
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{{- end }}
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{{- with .targetLimit }}
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targetLimit: {{ . }}
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{{- end }}
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{{- with .labelLimit }}
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labelLimit: {{ . }}
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{{- end }}
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{{- with .labelNameLengthLimit }}
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labelNameLengthLimit: {{ . }}
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{{- end }}
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{{- with .labelValueLengthLimit }}
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labelValueLengthLimit: {{ . }}
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{{- end }}
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{{- end }}
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{{/* Sets sidecar volumeMounts */}}
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{{- define "prometheus-node-exporter.sidecarVolumeMounts" -}}
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{{- range $_, $mount := $.Values.sidecarVolumeMount }}
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- name: {{ $mount.name }}
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mountPath: {{ $mount.mountPath }}
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readOnly: {{ $mount.readOnly }}
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{{- end }}
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{{- range $_, $mount := $.Values.sidecarHostVolumeMounts }}
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- name: {{ $mount.name }}
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mountPath: {{ $mount.mountPath }}
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readOnly: {{ $mount.readOnly }}
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{{- if $mount.mountPropagation }}
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mountPropagation: {{ $mount.mountPropagation }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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The default node affinity to exclude
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- AWS Fargate
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- Azure virtual nodes
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*/}}
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{{- define "prometheus-node-exporter.defaultAffinity" -}}
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nodeAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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nodeSelectorTerms:
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- matchExpressions:
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- key: eks.amazonaws.com/compute-type
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operator: NotIn
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values:
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- fargate
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- key: type
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operator: NotIn
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values:
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- virtual-kubelet
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{{- end -}}
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{{- define "prometheus-node-exporter.mergedAffinities" -}}
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{{- $defaultAffinity := include "prometheus-node-exporter.defaultAffinity" . | fromYaml -}}
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{{- with .Values.affinity -}}
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{{- if .nodeAffinity -}}
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{{- $_ := set $defaultAffinity "nodeAffinity" (mergeOverwrite $defaultAffinity.nodeAffinity .nodeAffinity) -}}
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{{- end -}}
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{{- if .podAffinity -}}
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{{- $_ := set $defaultAffinity "podAffinity" .podAffinity -}}
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{{- end -}}
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{{- if .podAntiAffinity -}}
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{{- $_ := set $defaultAffinity "podAntiAffinity" .podAntiAffinity -}}
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{{- end -}}
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{{- end -}}
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{{- toYaml $defaultAffinity -}}
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{{- end -}}
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