How to use the OCI Resource Scheduler to schedule serverless Functions in Oracle Cloud

This post references How to use Functions in OCI (Python)

You can schedule the Function to run periodically based on a Cron schedule using OCI's Resource Scheduler.

Policies needed

First, you need to give the Resource Scheduler permission to use the Function with the OCI IAM Policies:

allow any-user to use fn-function in compartment compA where all {request.principal.type='resourceschedule', request.principal.id='ocid1.resourceschedule.oc1.iad.aaaaaxxxxxxxxxxx'}

Of course, filtering by ID is optional if you want to allow the Resource Scheduler to invoke all Functions in the tenancy.

Include as well any policies the Function may need to read or access your OCI resources like below:

allow dynamic-group 'lb-fn-dynamic-grp' to inspect load-balancers in tenancy

where lb-fn-dynamic-grp is a Dynamic Group defined as:

resource.id = 'ocid1.fnfunc.oc1.iad.aaaaaxxxxxxxx'

Create the Schedule

Then, create a Schedule to Start the Function. In Basic mode, you can easily use the buttons to set the schedule, or use Cron mode.

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