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Working with one of the projects I’ve had very unpleasant experience trying to figure out which one of a little over 10 services is not working.
I didn’t want to go out an look for solution since recently I’ve done similar research and wasn’t amazed by any solutions out there. Some of them cost money too. So I went ahead and wrote my own monitor system in Rails. 1 day of work I got it working – very extensible and also fits my choice of technologies for best fit with RRAS.
515 lines of code and it went in “production” (I deployed and set it up on the server).