[Buildbot] #3545: set up uptimerobot.com

[Buildbot trac]

#3545: set up uptimerobot.com
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Reporter:  dustin       |       Owner:  dustin
    Type:  enhancement  |      Status:  new
Priority:  major        |   Milestone:  sys - on-bb-infra
 Version:  0.8.12       |  Resolution:
Keywords:               |
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Comment (by dustin):

 OK, I added alerts to sysadmins@ and to me (both @buildbot.net and
 @gmail.com), so at least we'll know when something goes wrong.

 As for a dashboard, https://www.rossp.org/blog/uptime-robot-s3/ looks
 useful.

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Ticket URL: <http://trac.buildbot.net/ticket/3545#comment:6>
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