go-c8y-cli: copy managed objects across tenants

copy_managed_objects.md

Copy managed objects across tenants

Long Version

1. Activate a session to the source tenant

   set-session
   

2. Save the data to file

   c8y devices list --pageSize 10 > tenant1.json

3. Change to the target tenant (where the data will be created in)

4. Create the managed objects (removing protected properties using a default view)

   cat tenant1.json \
   | c8y util show --view ignoreinbuilt_id \
   | c8y util show --select '**,!owner' \
   | c8y inventory create --template "input.value" --dry

   If you are doing a lot of data, and what to make sure you don't create duplicates when you rerun the one-liner, then you can use the caching mechanism (available on all commands, see https://goc8ycli.netlify.app/docs/concepts/caching/)

   This is the same example but using the global caching options:

   cat tenant1.json \
   | c8y util show --view ignoreinbuilt_id \
   | c8y util show --select '**,!owner' \
   | c8y inventory create --template "input.value" --cache --cacheTTL 1d --dry

Short version

1. Change to the source tenant

   set-session
   

2. List the managed object from the current tenant, and use the results to create the managed objects in a session tenant (using --session <session>)

   c8y devices list --pageSize 10 \
   | c8y util show --view ignoreinbuilt_id \
   | c8y util show --select '**,!owner' \
   | c8y inventory create --template "input.value" --cache --cacheTTL 1d --dry --session secondtenant.json