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8/02/2015

Be automatically notified when your SSL certificate is invalid

Context

Today I received an email on Redsmin Support from @christiankakesa telling me that one of the SSL certificate we use for payments.redsmin.com was expired.


Problem

Indeed the payments website — that we use to recover failed Stripe payments thanks to Bestunning — was unusable with a NET::ERR_CERT_DATE_INVALID exception (on Google Chrome). We had not be notified automatically, I had not been notified automatically, it goes against everything I stand for and we had to fix this.


Solution

We already use Jenkins for a lot of things at Redsmin/Bringr (and now iAdvize) and it knows how to run jobs daily to check multiple things. Why not using it to verify SSL certificates validity as well?


So create a new jenkins job, configure it to be built daily (or even hourly) and run the shell script above:



Don't forget to configure email notifications in case of unstable build and you're done! Next time something's wrong with your website or app SSL certificate you will be notified.


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Made with on a hot august night.
http://bit.ly/1II1u5L