cluster-monitor-operator alertmanager配置

导出现有配置

kubectl -n openshift-monitoring get secret alertmanager-main -ojson | jq -r '.data["alertmanager.yaml"]' | base64 -d > alertmanager.yaml

编辑alertmanager.yaml

global:
  resolve_timeout: 5m
route:
  group_wait: 30s
  group_interval: 5m
  repeat_interval: 12h
  receiver: default
  routes:
  - match:
      alertname: DeadMansSwitch
    repeat_interval: 5m
    receiver: deadmansswitch
receivers:
- name: default
  email_configs:
  - to: '[e-mail]'
    from: '[e-mail]'
    smarthost: 'smtpdm.aliyun.com:465'
    auth_username: '[e-mail]'
    auth_password: 'xxxxx'
    auth_secret: '[e-mail]'
    auth_identity: '[e-mail]'
- name: deadmansswitch

编写完成后，应用配置

kubectl -n openshift-monitoring create secret generic alertmanager-main --from-literal=alertmanager.yaml="$(< alertmanager.yaml)" --dry-run -oyaml | kubectl -n openshift-monitoring replace secret --filename=-