How to get label when the alert is resolved ?

[PetitCedric]

What did you do?
{{- if .Alerts -}}
{{- range $severity, $alerts := (groupAlertsByLabel .Alerts "severity") -}}
Status: {{ $severity }}
{{- range $index, $alert := $alerts }}

• Alert: {{ $alert.Labels.alertname }}
  Category: {{ $alert.Labels.category }}
  Data environment: {{ $alert.Labels.source_environment }}
  Topic: {{ $alert.Labels.topic }}
  Index: {{ $alert.Labels.index }}
  Source: {{ $alert.Labels.source }}
  NODE: {{ $alert.Labels.node }}
  Source Environment: {{ $alert.Labels.env }}
  Severity: {{ $alert.Labels.severity }}
  MetricName: {{ $alert.Labels.metricname }}
  CI_ID: {{ $alert.Labels.ci }}
  SUMMARY: {{ $alert.Annotations.summary }}
  {{ end }}
  {{ end }}
  {{ else -}}
  Status: Ok
  {{- end -}}
  What did you expect to see?
  "SNMPv2-SMI::enterprises.4445.1.4978.3": "Status: resolved
• Alert: logstash_monitoring_down
  Category: instances
  Source: prometheus
  NODE: server
  Source Environment: lab
  Severity: error
  MetricName: logstash_monitoring_down
  CI_ID: logstash_server
  SUMMARY: lab: Service of monitoring logstash-exporter is down on server on port 9651.",
  What did you see instead? Under which circumstances?
  "SNMPv2-SMI::enterprises.4445.1.4978.3": "Status: resolved
  Environment
  lab

• System information:

  Linux 3.10.0-1062.4.3.el7.x86_64 x86_64

• SNMP notifier version:

  snmp_notifier, version 1.2.1 (branch: HEAD, revision: 73773b7)
  build user: root@4c095c7fad1b
  build date: 20210820-08:20:04
  go version: go1.16
  platform: linux/amd64

• Alertmanager version:

  alertmanager, version 0.20.0 (branch: HEAD, revision: f74be0400a6243d10bb53812d6fa408ad71ff32d)
  build user: root@00c3106655f8
  build date: 20191211-14:13:14
  go version: go1.13.5

• Prometheus version:

  prometheus, version 2.14.0 (branch: HEAD, revision: edeb7a44cbf745f1d8be4ea6f215e79e651bfe19)
  build user: root@df2327081015
  build date: 20191111-14:27:12
  go version: go1.13.4

[maxwo]

This may indeed be useful. A PR is available, but it may require a bit more to ensure all cases are taken into account.