build(snap): Update edgex-snap-hooks to 2.3.1

[MonicaisHer]

There are some additional changes to correctly load env files. The new version of the dependency fixes the syntax of env files; see canonical/edgex-snap-hooks#52

Signed-off-by: Mengyi Wang mengyi.wang@canonical.com

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PR Checklist

Please check if your PR fulfills the following requirements:

• I am not introducing a breaking change (if you are, flag in conventional commit message with BREAKING CHANGE: describing the break)
• I am not introducing a new dependency (add notes below if you are)
• I have added unit tests for the new feature or bug fix (if not, why?)
• I have fully tested (add details below) this the new feature or bug fix (if not, why?)
• I have opened a PR for the related docs change (if not, why?)

Testing Instructions

New Dependency Instructions (If applicable)

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[codecov-commenter]

Codecov Report

Merging #4071 (b462043) into main (33a3e4f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #4071   +/-   ##
=======================================
  Coverage   47.27%   47.27%           
=======================================
  Files         114      114           
  Lines        9850     9850           
=======================================
  Hits         4657     4657           
  Misses       4805     4805           
  Partials      388      388           

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[farshidtz]

Looks good.

Testing by running the following:

$ sudo snap set edgexfoundry app-options=true
$ sudo snap set edgexfoundry config.service-startupmsg="pr-4071"
$ sudo snap set edgexfoundry apps.core-data.config.service-port=55555
$ sudo snap stop edgexfoundry
$ sudo snap start edgexfoundry # this will start everything...

$ snap logs -n=1000 edgexfoundry | grep pr-4071
2022-07-04T14:11:46+02:00 edgexfoundry.core-command[206706]: level=INFO ts=2022-07-04T12:11:46.253157091Z app=core-command source=variables.go:352 msg="Variables override of 'Service.StartupMsg' by environment variable: SERVICE_STARTUPMSG=pr-4071"
2022-07-04T14:11:47+02:00 edgexfoundry.core-data[206772]: level=INFO ts=2022-07-04T12:11:47.558967734Z app=core-data source=variables.go:352 msg="Variables override of 'Service.StartupMsg' by environment variable: SERVICE_STARTUPMSG=pr-4071"
2022-07-04T14:11:48+02:00 edgexfoundry.core-metadata[206834]: level=INFO ts=2022-07-04T12:11:48.935433545Z app=core-metadata source=variables.go:352 msg="Variables override of 'Service.StartupMsg' by environment variable: SERVICE_STARTUPMSG=pr-4071"

$ snap logs -n=1000 edgexfoundry | grep 55555
2022-07-04T14:16:44+02:00 edgexfoundry.core-data[210076]: level=INFO ts=2022-07-04T12:16:44.522463149Z app=core-data source=variables.go:352 msg="Variables override of 'Service.Port' by environment variable: SERVICE_PORT=55555"
2022-07-04T14:16:44+02:00 edgexfoundry.core-data[210076]: level=INFO ts=2022-07-04T12:16:44.541090074Z app=core-data source=variables.go:352 msg="Variables override of 'Service.Port' by environment variable: SERVICE_PORT=55555"
2022-07-04T14:16:44+02:00 edgexfoundry.core-data[210076]: level=INFO ts=2022-07-04T12:16:44.607399681Z app=core-data source=httpserver.go:131 msg="Web server starting (localhost:55555)"