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View alert history and configure silence

View alert history​

You can view alerts generated by configured alert policies.

  1. In the KakaoCloud console, go to one of the following menus.

    • Project-level alert history: Management > Alert Center > Alert history > Alerts
    • Organization-level alert history: Management > Alert Center for Organization > Alert history

  2. Check the alert history.

    FieldDescription
    Alert policyName of the alert policy that triggered the alert message
    Occurred atTime when the alert occurred
    Condition typeCondition that triggered the alert
    ServiceName of the service where the alert occurred
    Alert summaryInformation about the generated alert
    - Select [Details] to view additional information in the alert summary pop-up
    - You can move to Monitoring or Cloud Trail to view details
    SilenceFor metric alerts, select [Silence] to open the Silence settings pop-up and suppress alerts with the same conditions
    - For more information about Silence settings, see Create silence
info
  • If you receive a message through a notification channel when an alert occurs, you can select [Configure silence] in the message to access the Alert history page.
  • On mobile devices, selecting [Configure silence] takes you directly to the Silence settings page, where you can easily suppress alerts without configuring separate conditions.

Create silence​

You can create a Silence to suppress alerts that occur repeatedly.

  1. Go to KakaoCloud console > Management > Alert Center.

  2. Select Alert history > Silences, then select [Create silence].

  3. Enter the information in the pop-up and select [Save].

    FieldDescription
    Alert suspension timeSet the period to suppress alerts
    - Quick setting: Enter how long to keep the Silence from the current time
    - 2h (2 hours) is entered by default
    - Enter a value in weeks (w), days (d), hours (h), or minutes (m)
    - Custom setting: Select the start date/time and end date/time directly
    Silence conditions1. Service: Select the service to silence
    - Only services with alert policies can be selected
    2. Metric: Select the metric item to silence
    - To configure Silence only with specific labels without specifying a metric item, select All metrics
    - When All metrics is selected, at least one label value must be entered
    3. Label: Enter labels to silence
    - Label: Attribute assigned to identify metric data
    - Enter in key=value format
    - To check labels for a specific metric, go to Monitoring > Monitoring Explorer and search for the metric
    ReasonEnter the reason for creating the Silence

View silence​

You can view Silence details.

  1. Go to KakaoCloud console > Management > Alert Center.

  2. Select Alert history > Silences and check the created Silence list.

    FieldDescription
    IDSilence resource ID
    StatusSilence status
    - Active: Active
     - The start time has arrived but the end time has not yet arrived
    - Pending: Pending
     - The start time has not yet arrived
    - Expired: Expired
     - The end time has arrived or the user manually expired the Silence
    Condition typeCondition that triggered the alert
    ServiceService specified as the Silence target
    LabelsLabels specified as Silence targets
    - If a metric item was selected when creating the Silence, the selected metric item is also displayed in the Labels column.
    [More] buttonDepending on the Silence status, Modify, Expire, Recreate, or Delete is available
    - Active or Pending Silence: Modify or Expire is available
    - Expired Silence: Recreate or Delete is available
    - Recreate creates a new Silence with the same conditions as the expired Silence

Modify silence​

You can modify a Silence.

  1. Go to KakaoCloud console > Management > Alert Center.

  2. Select Alert history > Silences, then select [Modify] from the Silence list or Silence details page.

  3. Modify the information in the Modify silence pop-up and select [Save].

    FieldDescription
    Alert suspension timeSet the period to suppress alerts
    - Quick setting: Enter how long to keep the Silence from the current time
    - 2h (2 hours) is entered by default
    - Enter a value in weeks (w), days (d), hours (h), or minutes (m)
    - Custom setting: Select the start date/time and end date/time directly
    Silence conditions1. Service: Select the service to silence
    - Only services with alert policies can be selected
    2. Metric: Select the metric item to silence
    - To configure Silence only with specific labels without specifying a metric item, select All metrics
    - When All metrics is selected, at least one label value must be entered
    3. Label: Enter labels to silence
    - Label: Attribute assigned to identify metric data
    - Enter in key=value format
    - To check labels for a specific metric, go to Monitoring > Monitoring Explorer and search for the metric
    ReasonEnter the reason for creating the Silence

Delete silence​

You can delete a Silence in the Expired state.

caution

If you delete an expired Silence, you cannot recreate it with the same conditions.

  1. Go to KakaoCloud console > Management > Alert Center.
  2. Select Alert history > Silences, then select [Delete] for an Expired Silence from the Silence list or Silence details page.
  3. Check the guidance in the Delete silence pop-up and select [Delete].