{{- if .Values.prometheusRule.enabled }}
apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  name: {{ include "opentelemetry-collector.fullname" . }}
  namespace: {{ template "opentelemetry-collector.namespace" . }}
  labels:
    {{- include "opentelemetry-collector.labels" . | nindent 4 }}
    {{- range $key, $value := .Values.prometheusRule.extraLabels }}
    {{- printf "%s: %s" $key (tpl $value $ | quote) | nindent 4 }}
    {{- end }}
spec:
  groups:
{{- if .Values.prometheusRule.groups }}
    {{- toYaml .Values.prometheusRule.groups | nindent 2 }}
{{- end }}
{{- if .Values.prometheusRule.defaultRules.enabled }}
  - name: collectorRules
    rules:
    - alert: ReceiverDroppedSpans
      expr: rate(otelcol_receiver_refused_spans_total[5m]) > 0
      for: 2m
      labels:
        severity: critical
        {{- with .Values.prometheusRule.defaultRules.additionalRuleLabels }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
      annotations:
        description: '{{`The {{ $labels.receiver }} receiver is dropping spans at a rate of {{ humanize $value }} per second `}}'
        runbook_url: 'https://opentelemetry.io/docs/collector/internal-telemetry/#receive-failures'
        {{- with .Values.prometheusRule.defaultRules.additionalRuleAnnotations }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
    - alert: ReceiverDroppedMetrics
      expr: rate(otelcol_receiver_refused_metric_points_total[5m]) > 0
      for: 2m
      labels:
        severity: critical
        {{- with .Values.prometheusRule.defaultRules.additionalRuleLabels }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
      annotations:
        description: '{{`The {{ $labels.receiver }} receiver is dropping metrics at a rate of {{ humanize $value }} per second `}}'
        runbook_url: 'https://opentelemetry.io/docs/collector/internal-telemetry/#receive-failures'
        {{- with .Values.prometheusRule.defaultRules.additionalRuleAnnotations }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
    - alert: ReceiverDroppedLogs
      expr: rate(otelcol_receiver_refused_log_records_total[5m]) > 0
      for: 5m
      labels:
        severity: critical
        {{- with .Values.prometheusRule.defaultRules.additionalRuleLabels }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
      annotations:
        description: '{{` The {{ $labels.receiver }} is dropping logs at a rate of {{ humanize $value }} per second `}}'
        runbook_url: 'https://opentelemetry.io/docs/collector/internal-telemetry/#receive-failures'
        {{- with .Values.prometheusRule.defaultRules.additionalRuleAnnotations }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
    - alert: ExporterDroppedSpans
      expr: rate(otelcol_exporter_send_failed_spans_total[5m]) > 0
      for: 2m
      labels:
        severity: critical
        {{- with .Values.prometheusRule.defaultRules.additionalRuleLabels }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
      annotations:
        description: '{{`The {{ $labels.exporter }} exporter is dropping spans at a rate of {{ humanize $value }} per second `}}'
        runbook_url: 'https://opentelemetry.io/docs/collector/internal-telemetry/#receive-failures'
        {{- with .Values.prometheusRule.defaultRules.additionalRuleAnnotations }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
    - alert: ExporterDroppedMetrics
      expr: rate(otelcol_exporter_send_failed_metric_points_total[5m]) > 0
      for: 2m
      labels:
        severity: critical
        {{- with .Values.prometheusRule.defaultRules.additionalRuleLabels }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
      annotations:
        description: '{{`The {{ $labels.exporter }} exporter is dropping metrics at a rate of {{ humanize $value }} per second `}}'
        runbook_url: 'https://opentelemetry.io/docs/collector/internal-telemetry/#receive-failures'
        {{- with .Values.prometheusRule.defaultRules.additionalRuleAnnotations }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
    - alert: ExporterDroppedLogs
      expr: rate(otelcol_exporter_send_failed_log_records_total[5m]) > 0
      for: 5m
      labels:
        severity: critical
        {{- with .Values.prometheusRule.defaultRules.additionalRuleLabels }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
      annotations:
        description: '{{` The {{ $labels.exporter }} is dropping logs at a rate of {{ humanize $value }} per second `}}'
        runbook_url: 'https://opentelemetry.io/docs/collector/internal-telemetry/#receive-failures'
        {{- with .Values.prometheusRule.defaultRules.additionalRuleAnnotations }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
    - alert: ExporterQueueSize
      expr: otelcol_exporter_queue_size > otelcol_exporter_queue_capacity * 0.8
      for: 1m
      labels:
        severity: warning
        {{- with .Values.prometheusRule.defaultRules.additionalRuleLabels }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
      annotations:
        description: '{{`The {{ $labels.exporter }} queue has reached a size of {{ $value }} `}}'
        runbook_url: 'https://opentelemetry.io/docs/collector/internal-telemetry/#queue-length'
        {{- with .Values.prometheusRule.defaultRules.additionalRuleAnnotations }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
{{- $signals := list "spans" "metric_points" "log_records" }}
{{- range $signal := $signals }}
    - alert: SendQueueFailed{{ $signal }}
      expr: rate(otelcol_exporter_enqueue_failed_{{ $signal }}_total[5m]) > 0
      for: 1m
      labels:
        severity: warning
        {{- with $.Values.prometheusRule.defaultRules.additionalRuleLabels }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
      annotations:
        description: '{{`The {{ $labels.exporter }} sending queue failed to accept {{ $value }} `}} {{ $signal }}'
        runbook_url: 'https://opentelemetry.io/docs/collector/internal-telemetry/#queue-length'
        {{- with $.Values.prometheusRule.defaultRules.additionalRuleAnnotations }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
{{- end }}
{{- end }}
{{- end }}