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From Andrew Kennedy <andrew.kenn...@cloudsoftcorp.com>
Subject Re: Brooklyn Daemon Solution
Date Thu, 28 Jan 2016 16:41:26 GMT
Or what about running a Brooklyn Docker image as a systemd service!

- http://container-solutions.com/running-docker-containers-with-systemd/
- https://github.com/ibuildthecloud/systemd-docker

Andrew.

On Thu, 28 Jan 2016 at 16:34 Alex Heneveld <alex.heneveld@cloudsoftcorp.com>
wrote:

>
> Hi Aleksandr-
>
> What's the advantage of a native daemon over just wrapping it as a linux
> service script ?
>
> Best
> Alex
>
>
> On 28/01/2016 11:32, Aleksandr Vasilev wrote:
> > Hello everyone!
> >
> > I spent last few days looking at the solution to run Brooklyn process as
> a
> > daemon and found two options:
> > 1. Run daemon via Apache Commons Daemon (jsvc)
> > 2. Write a custom daemon in C
> >
> > Both solutions has its own pros and cons, so let's look at what I think
> > they are:
> >
> > JSVC:
> > Pros:
> > - Ready to use solution. Running a daemon via jsvc is very similar to
> > running java application from the command line with similar arguments
> > passed.
> > - Builds as usual in Maven
> >
> > Cons:
> > - Still requires you to write daemon code, which in my opinion kills the
> > out-of-the-box usability
> > - Has tons of bugs, including: not been able to find classes in
> classpath,
> > not been able to run by non-root users, not been able to run on several
> > *nix systems (Mac OS, BSD)
> > - The codebase hasn't changed since 2013 and seems abandoned
> > - SVN repo often isn't accessible for some reason, right now the
> webserver
> > returns 503 error code:
> > http://svn.apache.org/viewvc/commons/proper/daemon/trunk/
> >
> > Custom Daemon (written in C):
> > Pros:
> > - Cross-platform, runs on any *nix system supported by Brooklyn
> > - Very little code to maintain
> > - Independent from third-party solutions, requires only gcc to build
> > - Easy to make LSB-compliant init scripts to control the daemon
> >
> > Cons:
> > - Requires some overhead to build C code in Maven
> >
> > Having all these options considered, I propose writing daemon for Apache
> > Brooklyn in C language and use gcc compiler to build it. It will require
> > introducing some changes to Maven build process, but there are plenty of
> > solutions for doing this, such as Maven NAR plugin, which is actively
> > maintained:
> > https://github.com/maven-nar/nar-maven-plugin
> >
> > Best Regards,
> > Aleksandr Vasilev
> > DevOps Engineer | Cloudsoft Corporation
> >
>
> --

Andrew Kennedy ; Founder clocker.io project ; @grkvlt ; Cloudsoft

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