You can set up and manage necessary notifications such as Node Down, Pod Restart, CPU/Memory Usage, etc. that occur in the cluster.

Alerting

From the side menu in the ZCP Console, select Notifications > Alerting.

Current notification status

Information about the currently occurring notifications is displayed.

• Alerts: Number of alerts currently occurring
• API Server: Status of the API Server
• Node Not Ready: The total number of nodes and the number of nodes in that state that are not in the Ready state.
• Node Down: The number of nodes that are down

Notification History

You can find the notification history in the notification history at the bottom.

• Alarm time
  • In the last hour (Default)
  • Today

  • Yesterday

  • Last two days

  • This week

  • Last week

  • This month

  • Last month
    
    
    

Notification History Example

Information on the generated notification (date and time of occurrence, status, severity, Rule type, channel, description) is displayed.

Channel

From the side menu in the ZCP Console, select Notifications > Channel.

Add new channel

1. Select the Add Channel button
2. Enter channel name
3. New Notification: Select the type of notification to send from the channel, enter relevant information, and save.
   • Email : Email address
   • Slack : URL
   • Hipchat : URL, Room ID, Token, Notify(True/False)
   • Webhook : URL

Check the created channel information

When you select a channel you want to check from the channel list, related information is displayed in the channel details section on the right.

In the channel details window, you can edit the information of notifications set for existing channels or add new notifications.

Rules

From the side menu in the ZCP Console, select Notifications > Rules.

Add a new Rule

1. Select the Add Rule button in the upper right corner
   
2. Select Rule Type
   

Node Down: Notification when Node is downNode CPU Usages: Notification when Node CPU exceeds a certain level
Node Load Average 5: Notification when Node is loaded for an average of a certain amount of time
Node Memory Usage: Notification when Node's Memory exceeds a certain level
Node Low Root Disk: Notification when Node's Root Disk's available capacity is below a certain level
Apiserver Down: Notification when Apiserver is down
K8s Node Not Ready: Notification when there is a Node that is not ready among the Nodes managed by Kubernetes
Pod Frequently Restarting: Notification when Pods are restarted more than a certain number of times

3. Select Duration: Select a numerical value for the allowed period of time based on the Rule type. 4. After entering other information, save: Enter the severity according to the rule type, the numerical value for the allowed threshold, and the channel information.

5. Enter and edit repeat interval: Save repeat interval information of the created Rule (Default: 1 hour)

Check the defined rules