Update ruby version to 2.7.2

[blijblijblij]

As proposed in #13, I have also taken the liberty to include a newer version of the of-watchdog

[derek]

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[alexellis]

Approved. Thank you for the PR

[alexellis]

Just one more thing is required, since we have no CI on this repo yet.

Please show some evidence of testing (console output is sufficient) - including with and without a gem.

[blijblijblij]

Just one more thing is required, since we have no CI on this repo yet.

Please show some evidence of testing (console output is sufficient) - including with and without a gem.

Here is the regular one running on my homecluster (k3s / rpi4 / ubuntu arm64)

Forking - ruby [index.rb]
2021/01/06 11:24:42 Started logging stderr from function.
2021/01/06 11:24:42 Started logging stdout from function.
2021/01/06 11:24:42 OperationalMode: http
2021/01/06 11:24:42 Timeouts: read: 10s, write: 10s hard: 10s.
2021/01/06 11:24:42 Listening on port: 8080
2021/01/06 11:24:42 Writing lock-file to: /tmp/.lock
2021/01/06 11:24:42 Metrics listening on port: 8081
2021/01/06 11:24:43 stderr: [2021-01-06 11:24:43] INFO  WEBrick 1.6.0
2021/01/06 11:24:43 stderr: [2021-01-06 11:24:43] INFO  ruby 2.7.2 (2020-10-01) [aarch64-linux]
2021/01/06 11:24:43 stderr: == Sinatra (v2.1.0) has taken the stage on 5000 for development with backup from WEBrick
2021/01/06 11:24:43 stderr: [2021-01-06 11:24:43] INFO  WEBrick::HTTPServer#start: pid=16 port=5000
2021/01/06 11:25:14 stderr: 10.42.0.164 - - [06/Jan/2021:11:25:14 +0000] "GET / HTTP/1.1" 200 60 0.0149
2021/01/06 11:25:14 GET / - 200 OK - ContentLength: 60
2021/01/06 11:25:14 stderr: 127.0.0.1 - - [06/Jan/2021:11:25:14 UTC] "GET / HTTP/1.1" 200 60
2021/01/06 11:25:14 stderr: - -> /

Now with the added logging gem which adds some more logging.info:

Forking - ruby [index.rb]
2021/01/06 12:31:14 Started logging stderr from function.
2021/01/06 12:31:14 Started logging stdout from function.
2021/01/06 12:31:14 OperationalMode: http
2021/01/06 12:31:14 Timeouts: read: 10s, write: 10s hard: 10s.
2021/01/06 12:31:14 Listening on port: 8080
2021/01/06 12:31:14 Writing lock-file to: /tmp/.lock
2021/01/06 12:31:14 Metrics listening on port: 8081
2021/01/06 12:31:15 stderr: [2021-01-06 12:31:15] INFO  WEBrick 1.6.0
2021/01/06 12:31:15 stderr: [2021-01-06 12:31:15] INFO  ruby 2.7.2 (2020-10-01) [aarch64-linux]
2021/01/06 12:31:15 stderr: == Sinatra (v2.1.0) has taken the stage on 5000 for development with backup from WEBrick
2021/01/06 12:31:15 stderr: [2021-01-06 12:31:15] INFO  WEBrick::HTTPServer#start: pid=14 port=5000
2021/01/06 12:31:54 stdout: I, [2021-01-06T12:31:54.643631 #14]  INFO : #############################
2021/01/06 12:31:54 stdout: I, [2021-01-06T12:31:54.643811 #14]  INFO : Some logging from the installed logging gem
2021/01/06 12:31:54 stdout: I, [2021-01-06T12:31:54.643880 #14]  INFO : #############################
2021/01/06 12:31:54 stderr: 10.42.0.164 - - [06/Jan/2021:12:31:54 +0000] "GET / HTTP/1.1" 200 62 0.0290
2021/01/06 12:31:54 GET / - 200 OK - ContentLength: 62
2021/01/06 12:31:54 stderr: 127.0.0.1 - - [06/Jan/2021:12:31:54 UTC] "GET / HTTP/1.1" 200 62
2021/01/06 12:31:54 stderr: - -> /

[alexellis]

It's my fault for not having the issue template in this repo.

Maybe that could be PR #2 to copy it in from https://github.com/openfaas/templates?