deploy/otel/col/templates/prometheusrule.yaml

{{- if and .Values.prometheusRule.enabled .Values.serviceMonitor.enabled  }}
apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  name: {{ include "opentelemetry-collector.fullname" . }}
  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 4 }}
{{- end }}
{{- if .Values.prometheusRule.defaultRules.enabled }}
  - name: collectorRules
    rules:
    - alert: ReceiverDroppedSpans
      expr: rate(otelcol_receiver_refused_spans[5m]) > 0
      for: 2m
      labels:
        severity: critical
      annotations:
        description: '{{`The {{ $labels.receiver }} receiver is dropping spans at a rate of {{ humanize $value }} per second `}}'
        runbook_url: 'https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/monitoring.md#receive-failures'
    - alert: ReceiverDroppedMetrics
      expr: rate(otelcol_receiver_refused_metric_points[5m]) > 0
      for: 2m
      labels:
        severity: critical
      annotations:
        description: '{{`The {{ $labels.receiver }} receiver is dropping metrics at a rate of {{ humanize $value }} per second `}}'
        runbook_url: 'https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/monitoring.md#receive-failures'
    - alert: ProcessorDroppedSpans
      expr: rate(otelcol_processor_dropped_spans[5m]) > 0
      for: 2m
      labels:
        severity: critical
      annotations:
        description: '{{`The {{ $labels.processor }} processor is dropping spans at a rate of {{ humanize $value }} per second `}}'
        runbook_url: 'https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/monitoring.md#data-loss'
    - alert: ProcessorDroppedMetrics
      expr: rate(otelcol_processor_dropped_metric_points[5m]) > 0
      for: 2m
      labels:
        severity: critical
      annotations:
        description: '{{`The {{ $labels.processor }} processor is dropping metrics at a rate of {{ humanize $value }} per second `}}'
        runbook_url: 'https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/monitoring.md#data-loss'
    - alert: ExporterDroppedSpans
      expr: rate(otelcol_exporter_send_failed_spans[5m]) > 0
      for: 2m
      labels:
        severity: critical
      annotations:
        description: '{{`The {{ $labels.exporter }} exporter is dropping spans at a rate of {{ humanize $value }} per second `}}'
        runbook_url: 'https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/monitoring.md#receive-failures'
    - alert: ExporterDroppedMetrics
      expr: rate(otelcol_exporter_send_failed_metric_points[5m]) > 0
      for: 2m
      labels:
        severity: critical
      annotations:
        description: '{{`The {{ $labels.exporter }} exporter is dropping metrics at a rate of {{ humanize $value }} per second `}}'
        runbook_url: 'https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/monitoring.md#receive-failures'
    - alert: ExporterQueueSize
      expr: otelcol_exporter_queue_size > 5000
      for: 1m
      labels:
        severity: warning
      annotations:
        description: '{{`The {{ $labels.exporter }} queue has reached a size of {{ $value }} `}}'
        runbook_url: 'https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/monitoring.md#queue-length'
{{- $signals := list "spans" "metric_points" "log_records" }}
{{- range $signal := $signals }}
    - alert: SendQueueFailed
      expr: rate(otelcol_exporter_enqueue_failed_{{ $signal }}[5m]) > 0
      for: 1m
      labels:
        severity: warning
      annotations:
        description: '{{`The {{ $labels.exporter }} sending queue failed to accept {{ $value }} `}} {{ $signal }}'
        runbook_url: 'https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/monitoring.md#queue-length'
{{- end }}
{{- end }}
{{- end }}