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

Enable managed instance groups

Open the GCP Service Account credential and enable Google Cloud managed instance groups under Scale target providers.
2

Sync the inventory

Click Sync now and open Scale Targets.
3

Choose the group

Select the managed instance group under Provider inventory and click Attach.
4

Select capacity

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

Set the replica range

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

Attach

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