84 lines
3.5 KiB
Smarty
84 lines
3.5 KiB
Smarty
{{- define "integrations.etcd.type.metrics" }}true{{- end }}
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{{- define "integrations.etcd.type.logs" }}false{{- end }}
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{{/* Loads the etcd module and instances */}}
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{{/* Inputs: Values (all values), Files (Files object) */}}
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{{- define "integrations.etcd.module.metrics" }}
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declare "etcd_integration" {
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argument "metrics_destinations" {
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comment = "Must be a list of metric destinations where collected metrics should be forwarded to"
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}
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{{- include "alloyModules.load" (deepCopy $ | merge (dict "name" "etcd" "path" "modules/databases/kv/etcd/metrics.alloy")) | nindent 2 }}
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{{- range $instance := (index $.Values "etcd").instances }}
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{{- include "integrations.etcd.include.metrics" (deepCopy $ | merge (dict "instance" $instance)) | nindent 2 }}
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{{- end }}
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}
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{{- end }}
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{{/* Instantiates the etcd integration */}}
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{{/* Inputs: integration (etcd integration definition), Values (all values), Files (Files object) */}}
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{{- define "integrations.etcd.include.metrics" }}
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{{- $defaultValues := "integrations/etcd-values.yaml" | .Files.Get | fromYaml }}
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{{- with mergeOverwrite $defaultValues (deepCopy .instance) }}
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{{- $metricAllowList := .metrics.tuning.includeMetrics }}
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{{- $metricDenyList := .metrics.tuning.excludeMetrics }}
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{{- $labelSelectors := list }}
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{{- range $k, $v := .labelSelectors }}
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{{- if kindIs "slice" $v }}
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{{- $labelSelectors = append $labelSelectors (printf "%s in (%s)" $k (join "," $v)) }}
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{{- else }}
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{{- $labelSelectors = append $labelSelectors (printf "%s=%s" $k $v) }}
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{{- end }}
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{{- end }}
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etcd.kubernetes {{ include "helper.alloy_name" .name | quote }} {
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{{- if .namespaces }}
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namespaces = {{ .namespaces | toJson }}
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{{- end }}
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label_selectors = {{ $labelSelectors | toJson }}
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{{- if .fieldSelectors }}
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field_selectors = {{ .fieldSelectors | toJson }}
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{{- end }}
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port_name = {{ .metrics.portName | quote }}
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}
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etcd.scrape {{ include "helper.alloy_name" .name | quote }} {
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targets = etcd.kubernetes.{{ include "helper.alloy_name" .name }}.output
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job_label = {{ .jobLabel | quote }}
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clustering = true
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{{- if $metricAllowList }}
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keep_metrics = "up|{{ $metricAllowList | join "|" | join "|" }}"
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{{- end }}
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{{- if $metricDenyList }}
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drop_metrics = {{ $metricDenyList | join "|" | quote }}
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{{- end }}
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scrape_interval = {{ .scrapeInterval | default $.Values.global.scrapeInterval | quote }}
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max_cache_size = {{ .metrics.maxCacheSize | default $.Values.global.maxCacheSize | int }}
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forward_to = argument.metrics_destinations.value
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}
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{{- end }}
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{{- end }}
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{{- define "integrations.etcd.validate" }}
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{{- range $instance := $.Values.etcd.instances }}
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{{- include "integrations.etcd.instance.validate" (merge $ (dict "instance" $instance)) | nindent 2 }}
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{{- end }}
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{{- end }}
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{{- define "integrations.etcd.instance.validate" }}
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{{- if not .instance.labelSelectors }}
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{{- $msg := list "" "The etcd integration requires a label selector" }}
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{{- $msg = append $msg "For example, please set:" }}
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{{- $msg = append $msg "integrations:" }}
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{{- $msg = append $msg " etcd:" }}
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{{- $msg = append $msg " instances:" }}
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{{- $msg = append $msg (printf " - name: %s" .instance.name) }}
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{{- $msg = append $msg " labelSelectors:" }}
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{{- $msg = append $msg (printf " app.kubernetes.io/component: %s" .instance.name) }}
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{{- $msg = append $msg "OR" }}
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{{- $msg = append $msg " labelSelectors:" }}
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{{- $msg = append $msg " app.kubernetes.io/component: [etcd-one, etcd-two]" }}
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{{- fail (join "\n" $msg) }}
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{{- end }}
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{{- end }}
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