Managing Alerts and Notifications Using Edge Xpert Manager
To use Notifications with the Edge Xpert Manager you need to start Edge Xpert with the
support-notifications options, as shown below:
edgexpert up xpert-manager support-notifications
To view the Xpert Manager go to
localhost:9090 Log in using the default user name and password "admin"
The Notifications view displays information about the device data maintained in Edge Xpert. To enter the Notifications view select Notifications from the main menu.
When you select Notifications from the main menu, you see the following tabs:
Select Subscriptions to view the Subscriptions pane.
Select Notifications to view the Notifications pane.
Select Transmissions to view the Transmissions pane.
Manage Subscriptions Using the Edge Xpert manager
Before you set up a notification you need to set up a subscription so you will receive it.
The Subscriptions pane allows you to view current active subscriptions, add new subscriptions and edit or delete existing subscriptions. To view it, click on the subscription tab.
The subscriptions panel looks like this:
Add, Edit or Delete a Subscription
To add a Subscription, complete the following steps:
- Select the icon
- The Add Subscription dialog box displays, as illustrated below:
3. Complete the fields, as described in the following table:
|Name||Unique name for the subscription|
|Description||A description explaining the intent of the notification|
|Categories||The type of notification to which to subscribe, e.g. HARDWARE_HEALTH
You can subscribe to a particular notification category or multiple notification categories
|Labels||A notification labels to which to subscribe. You can subscribe to one or more notification labels|
|Receiver||The name of the party interested in the notification
|Resend Limit||The retry limit for attempts to send notifications|
|Resend Interval||The interval in ISO 8691 format of resending the notification|
|Email Channels||The email address of the recipient of the notifications|
|REST||The configuration for the REST channel being used|
|ZeroMQ||The configuration for the ZeroMQ channel being used|
4. Select Save to add the subscription.
The subscription should appear in the list.
To edit the subscription click the icon next to it.
To delete the subscription click the icon next to it.
The Notifications pane allows you to view the current list of notifications. To view it click on the Notifications tab.
Several microservices automatically send a POST request to trigger the Alerts and Notifications microservice with a NORMAL notification when something changes.
For example, the following illustration shows that the Random-Float-Device in the Virtual Device Service has been locked; such a change immediately triggers a NORMAL notification.
You can see the notification appear in the Notifications pane of Edge Xpert Manager.
You can use the search to filter notifications either by time period or notification category.
The Tranmissions pane allows you to view details of notifications that have been processed. To view it click on the transmissions tab.