Backward-incompatible addition of Device System Events

[farshidtz]

The feature added in #4101 (v2.3.0-dev.36) requires new configuration fields what are missing in older versions. Upgrades from older version to this will fail to start core-metadata with the following error:

level=ERROR ts=2022-08-03T12:58:22.592814354Z app=core-metadata source=messaging.go:40 msg="MessageQueue configuration not set or missing from service's GetBootstrap() implementation"

🐞 Bug Report

Affected Services [REQUIRED]

The issue is located in: core-metadata

Is this a regression?

Yes, the previous version in which this bug was not present was: v2.3.0-dev.35

Description and Minimal Reproduction [REQUIRED]

Upgrade from an older version to latest dev release:

$ sudo snap install edgexfoundry --channel=latest/stable
edgexfoundry 2.2.0+2 from Canonical✓ installed

$ sudo snap refresh edgexfoundry --channel=latest/edge
edgexfoundry (edge) 2.3.0-dev.37 from Canonical✓ refreshed

$ snap logs -n=100 -f edgexfoundry.core-metadata
...

🔥 Exception or Error

2022-08-03T14:58:22+02:00 edgexfoundry.core-metadata[72667]: level=ERROR ts=2022-08-03T12:58:22.592814354Z app=core-metadata source=messaging.go:40 msg="MessageQueue configuration not set or missing from service's GetBootstrap() implementation"
...
2022-08-03T14:58:28+02:00 edgexfoundry.consul[72139]: 2022-08-03T14:58:28.339+0200 [WARN]  agent: Check is now critical: check=core-metadata
2022-08-03T14:58:38+02:00 edgexfoundry.consul[72139]: 2022-08-03T14:58:38.339+0200 [WARN]  agent: Check is now critical: check=core-metadata
...

🌍 Your Environment

Deployment Environment:
Snap

EdgeX Version [REQUIRED]:
v2.3.0-dev.37

Anything else relevant?