cw-infra-apps/grafana/charts/feature-cluster-metrics/templates/_kube_scheduler.alloy.tpl

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{{- define "feature.clusterMetrics.kubeScheduler.alloy" }}
{{- if or .Values.kubeScheduler.enabled (and .Values.controlPlane.enabled (not (eq .Values.kubeScheduler.enabled false))) }}
{{- $metricAllowList := .Values.kubeScheduler.metricsTuning.includeMetrics }}
{{- $metricDenyList := .Values.kubeScheduler.metricsTuning.excludeMetrics }}
discovery.kubernetes "kube_scheduler" {
role = "pod"
namespaces {
names = ["kube-system"]
}
selectors {
role = "pod"
label = {{ .Values.kubeScheduler.selectorLabel | quote }}
}
}
discovery.relabel "kube_scheduler" {
targets = discovery.kubernetes.kube_scheduler.targets
rule {
source_labels = ["__address__"]
replacement = "$1:{{ .Values.kubeScheduler.port }}"
target_label = "__address__"
}
{{- if .Values.kubeScheduler.extraDiscoveryRules }}
{{ .Values.kubeScheduler.extraDiscoveryRules | indent 2 }}
{{- end }}
}
prometheus.scrape "kube_scheduler" {
targets = discovery.relabel.kube_scheduler.output
job_name = {{ .Values.kubeScheduler.jobLabel | quote }}
scheme = "https"
scrape_interval = {{ .Values.kubeScheduler.scrapeInterval | default .Values.global.scrapeInterval | quote }}
bearer_token_file = "/var/run/secrets/kubernetes.io/serviceaccount/token"
tls_config {
insecure_skip_verify = true
}
clustering {
enabled = true
}
{{- if or $metricAllowList $metricDenyList .Values.kubeScheduler.extraMetricProcessingRules }}
forward_to = [prometheus.relabel.kube_scheduler.receiver]
}
prometheus.relabel "kube_scheduler" {
max_cache_size = {{ .Values.kubeScheduler.maxCacheSize | default .Values.global.maxCacheSize | int }}
{{- if $metricAllowList }}
rule {
source_labels = ["__name__"]
regex = "up|scrape_samples_scraped|{{ $metricAllowList | join "|" }}"
action = "keep"
}
{{- end }}
{{- if $metricDenyList }}
rule {
source_labels = ["__name__"]
regex = {{ $metricDenyList | join "|" | quote }}
action = "drop"
}
{{- end }}
{{- if .Values.kubeScheduler.extraMetricProcessingRules }}
{{ .Values.kubeScheduler.extraMetricProcessingRules | indent 2 }}
{{- end }}
{{- end }}
forward_to = argument.metrics_destinations.value
}
{{- end }}
{{- end }}