Bug #1809708 “Allow snaps to query interface connection status directly from snapd”

[Lin-Buo-Ren]

This proposal has been implemented since snapd 2.43 :

Snapctl is-connected plug|slot

The snapctl command will soon grow a sub-command to query connection status of given plug or slot. This was requested for a long time (e.g. https://bugs.launchpad.net/snapd/+bug/1809708 and Bug #1809708 “Allow snaps to query interface connection status directly from snapd”) and for good reasons as finding out if a plug or slot of the snap is connected from within its hooks or apps was not easily possible and required workarounds (probing of effective permissions, or using interface hooks to trac…