Skip to main content
The GCP managed instance group target connects Arklow to an existing Google Cloud autoscaler. Arklow changes the permitted range, and the autoscaler chooses the group’s live target size from its own signals.

​
Configuration

Along with the shared group fields, enter the Autoscaler name attached to the managed instance group. The target’s Minimum replicas and Maximum replicas are written to the autoscaler’s minNumReplicas and maxNumReplicas settings.

​
Required permissions

The selected GCP Service Account credential needs:
You can place these permissions in a custom role scoped to the project containing the group.

​
Add an autoscaler target

1

Open scale targets

Go to Scale Targets, click New scale target, and select GCP managed instance group.
2

Identify the group

Enter its project, location type, location, instance group manager, and autoscaler name.
3

Select authentication

Choose the GCP Service Account credential with permission to read the group and update its autoscaler.
4

Select capacity

Choose the destination or shared pool served by the group.
5

Set the envelope

Enter the minimum and maximum replicas available to the GCP autoscaler.
6

Save

Create the target and confirm that the observed target size belongs to the expected group.