Containerbuddy docker container service discovery

Containerbuddy is a shim written in Go to help make it easier to containerize existing applications. It can act as PID1 in the container and fork/exec the application. If the application exits then so does Containerbuddy.

Alternately, if your application double-forks (which is not recommended for containerized applications but hey we are taking about pre-container apps here!), you can run Containerbuddy as a side-by-side buddy process within the container. In that case the container will not die if the application dies, which can create complicated failure modes but which can be mitigated by having a good TTL health check to detect the problem and alert you.

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Containerbuddy registers the application with Consul on start and periodically sends TTL health checks to Consul; should the application fail then Consul will not receive the health check and once the TTL expires will no longer consider the application node healthy. Meanwhile, Containerbuddy runs background workers that poll Consul, checking for changes in dependent/upstream service, and calling an external executable on change.

Related Post:  LG acquires webOS from HP

Read the complete article here.

Containerbuddy docker container service discovery

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9 Responses

  1. The sad aspect of this potentially new approach and product from HP, is that if the SlateBookX2 mobile device is even reasonably successful in sales, particularly as against the Microsoft Surface tablets, HP will assuredly abandon the product at the behest or strong demand, however you like to phrase it, from Microsoft.

    HP’s record in this type behavior is legendany and disturbing.

    1. Well, considering that Microsoft makes more money from Android than from Windows Mobile, I don’t think Balmer will want to kill the goose that’s bringing in the $$.

  2. If I can get Linux on it with full hardware support (or near enough) including accelerated graphics, then this would be exactly what I’ve been looking for. I’d love to be able to dual boot Android and Linux, or perhaps better yet, run an Android environment on top of Linux (without needing another virtual machine underneath the Dalvik one). I can dream anyway.

    If this ends up not being possible, then some new Bay Trail based hardware or one of the recently announced AMD SoCs might be in my future. At least these x86 based designs are bound to have good Linux hardware support. My AMD C60 based netbook is not terrible, but I’m hoping for a better power/battery usage ratio in the future.

    1. I was disappointed when they abandoned WebOS, but this is a good thing. It would have been better if they had stuck with WebOS and build hardware like this for it.

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