{{ define "alloy.config.windows_exporter.allowList" }}
{{ if (index .Values.metrics "windows-exporter").metricsTuning.useDefaultAllowList }}
{{ "default_allow_lists/windows_exporter.yaml" | .Files.Get }}
{{ end }}
{{ if (index .Values.metrics "windows-exporter").metricsTuning.includeMetrics }}
{{ (index .Values.metrics "windows-exporter").metricsTuning.includeMetrics | toYaml }}
{{ end }}
{{ end }}

{{ define "alloy.config.windows_exporter" }}
// Windows Exporter
discovery.relabel "windows_exporter" {
  targets = discovery.kubernetes.pods.targets
{{- if (index .Values "prometheus-windows-exporter").enabled }}
  rule {
    source_labels = ["__meta_kubernetes_pod_label_release"]
    regex = "{{ .Release.Name }}"
    action = "keep"
  }
{{- end }}
  rule {
    source_labels = ["__meta_kubernetes_pod_container_port_name"]
    regex = "metrics"
    action = "keep"
  }
  {{- range $k, $v := (index .Values.metrics "windows-exporter").labelMatchers }}
  rule {
    source_labels = ["__meta_kubernetes_pod_label_{{ include "escape_label" $k }}"]
    regex = "{{ $v }}"
    action = "keep"
  }
  {{- end }}
  rule {
    source_labels = ["__meta_kubernetes_pod_node_name"]
    action = "replace"
    target_label = "instance"
  }
{{- if .Values.metrics.extraRelabelingRules }}
{{ .Values.metrics.extraRelabelingRules | indent 2 }}
{{- end }}
{{- if (index .Values.metrics "windows-exporter").extraRelabelingRules }}
{{ (index .Values.metrics "windows-exporter").extraRelabelingRules | indent 2 }}
{{- end }}
}

prometheus.scrape "windows_exporter" {
  job_name   = "integrations/windows-exporter"
  targets  = discovery.relabel.windows_exporter.output
  scrape_interval = {{ (index .Values.metrics "windows-exporter").scrapeInterval | default .Values.metrics.scrapeInterval | quote }}
{{- if .Values.alloy.alloy.clustering.enabled }}
  clustering {
    enabled = true
  }
{{- end }}
  forward_to = [prometheus.relabel.windows_exporter.receiver]
}

prometheus.relabel "windows_exporter" {
  max_cache_size = {{ (index .Values.metrics "windows-exporter").maxCacheSize | default .Values.metrics.maxCacheSize | int }}
  rule {
    source_labels = ["__name__"]
    regex = "windows_cpu_time_total"
    replacement = "node_cpu_seconds_total"
    target_label = "__name__"
  }
  rule {
    source_labels = ["volume"]
    regex = "windows_logical_disk_size_bytes"
    replacement = "mountpoint"
    target_label = "mountpoint"
  }
  rule {
    source_labels = ["__name__"]
    regex = "windows_logical_disk_size_bytes"
    replacement = "node_filesystem_size_bytes"
    target_label = "__name__"
  }
  rule {
    source_labels = ["__name__"]
    regex = "windows_logical_disk_free_bytes"
    replacement = "node_filesystem_avail_bytes"
    target_label = "__name__"
  }
{{- if or (index .Values.metrics "windows-exporter").metricsTuning.useDefaultAllowList (index .Values.metrics "windows-exporter").metricsTuning.includeMetrics }}
  rule {
    source_labels = ["__name__"]
    regex = "up|{{ join "|" (include "alloy.config.windows_exporter.allowList" . | fromYamlArray) }}"
    action = "keep"
  }
{{- end }}
{{- if (index .Values.metrics "windows-exporter").metricsTuning.excludeMetrics }}
  rule {
    source_labels = ["__name__"]
    regex = {{ join "|" (index .Values.metrics "windows-exporter").metricsTuning.excludeMetrics | quote }}
    action = "drop"
  }
{{- end }}
{{- if .Values.metrics.extraMetricRelabelingRules }}
{{ .Values.metrics.extraMetricRelabelingRules | indent 2 }}
{{- end }}
{{- if (index .Values.metrics "windows-exporter").extraMetricRelabelingRules }}
{{ (index .Values.metrics "windows-exporter").extraMetricRelabelingRules | indent 2 }}
{{- end }}
  forward_to = [prometheus.relabel.metrics_service.receiver]
}
{{ end }}
