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Do not spam email alerts in rcanary

Ended on: 09/30/2016
Winning bid (Jishnu Mohan): $100.00




rcanary is a minimal page monitoring tool written in Rust.

Currently, rcanary will send alerts to an email inbox if a page does not respond with a HTTP 200 OK response code when polled. The alert will be sent on each poll, so it spams our inboxes whenever a monitored site is down for extended periods of time.

What we want

We want rcanary to only alert when the state of the monitored pages changes from OK to Alert, or Alert to OK (ie. only alert once for each downtime).

Acceptance criteria

AC1: As a user, I only want rcanary to send an email alert iff the state has changed from OK to Alert, or from Alert to OK.

General acceptance criteria

  • Appropriate tests should be written for each additional feature
  • New features must not break existing tests, or the CI build

Additional information

This needs to be changed to determine whether to send an email alert.

Bidder Amount Date
y c $268.00 September 30, 2016 08:54:23 PM SGT
Jishnu Mohan $100.00 * September 28, 2016 10:04:27 AM SGT
Adrien Lamarque $120.00 September 28, 2016 01:17:13 AM SGT
Vic Lim $250.00 September 21, 2016 08:48:13 AM SGT
Amos $200.00 September 21, 2016 12:59:09 AM SGT
Ng Wei Lun $399.00 September 20, 2016 10:06:49 PM SGT
Derek Zeng $399.00 September 20, 2016 06:58:07 AM SGT
Jason Yeo $200.00 September 19, 2016 10:43:09 PM SGT

* - winning bid

Auction Now Closed

Auction started at

September 16, 2016 01:00:00 AM SGT

Auction ended at

September 30, 2016 11:45:00 PM SGT

Delivery deadline

October 14, 2016 11:45:00 PM SGT

Eligible vendors

All allowed


Government Digital Services, Singapore

Auction type:

Sealed-bid (rules)

Paid at:

November 04, 2016 01:53:21 PM SGT

Accepted at:

October 14, 2016 09:25:19 PM SGT

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