Testing of OSX packages of juju needed

Nathan Osman nathan.osman at gmail.com
Tue Dec 20 01:08:04 UTC 2011

This may stray slightly from the topic of discussion but directly relates
to Juju and OS X.

I am currently working on a GUI for Juju (you can find it
that will make it easy for users to start / stop services, add / remove
units, etc. This GUI is written in Qt and therefore should theoretically
compile on OS X unmodified. I am wondering if anyone would be interested in
trying to get the application to compile on OS X, since I do not have
access to an OS X machine (nor do I have any experience working with the

Things get a little tricky since the application does have one other build
dependency: yaml-cpp (for parsing the YAML configuration files Juju uses).
This small library uses the CMake build system.

- Nathan

On Mon, Dec 19, 2011 at 2:45 PM, Elliot Murphy <elliot at canonical.com> wrote:

> Hi!
> pip install
> https://launchpad.net/ubuntu/+archive/primary/+files/juju_0.5%2Bbzr398.orig.tar.gz
> seemed to work ok for me on Lion.
> I don't think it's a good idea to distribute all three of MacPorts,
> HomeBrew, and easy_install packages. We should give people one way to
> install Juju client tools on OS X. Since setuptools is not being
> maintained, I think it's better to give instructions on using pip to
> install the package rather than easy_install, and then MacPorts and
> Homebrew is not needed at all. Homebrew policy discourages
> distributing formulas that overlap with things distributed on PyPI.
> However...I think it's not that simple in Juju's case. Why? Because
> some of the Juju dependencies need a compiler, and Juju might have
> more components that need compiling in the future, it could make sense
> to consolidate around using Homebrew on OS X. Homebrew is much better
> than MacPorts, and if XCode is absolutely required then sticking with
> a Homebrew formula for OS X distribution makes sense because we know
> folks already have XCode set up in order to get Homebrew working, and
> there is a support community around Homebrew already. This could also
> provide a smoother upgrade path if Juju were to later migrate to being
> written in Go rather than Python.
> Last year before the ensemble->juju rename I took a stab at writing a
> Homebrew formula, so I have some comments on the code in the Homebrew
> formula here: http://repo.chenetz.net/juju.rb
> * I think it's a very bad idea to ever call sudo inside a homebrew formula
> * As a developer who uses Homebrew on OS X and also has multiple
> versions of Python installed, I've got mixed feelings about the
> install process automatically trying to easy_install dependencies.
> When one of those dependencies fails to install, it can be quite
> frustrating and can give the impression that the Juju formula is
> broken. This can be a matter of taste, I don't know what Homebrew
> policy encourages here. For another approach, you can look at the
> formula I did which declares the dependencies but does not
> automatically install them.
> https://github.com/statik/homebrew/commit/c11dad522c12a4a8471972351a0d723795788cf1
> * I wonder whether pydot is really a required dependency? I thought it
> was optional.
> * The formula is identifying as version '0.5-398', but appears to be
> pulling from bzr without a tag. This will almost certainly cause
> problems for upgrades/consistency.
> * the test case in the formula seems to be a useless no-op that won't
> actually fail if Juju is non-functional due to a failed installation.
> Better to delete it than provide a null test case.
> I have no standing in the Juju project, so please do take this
> drive-by review of the OS X work with a grain of salt :)
> It's nice to see Michael's work on this, and will be nice to be able
> to deploy services to Ubuntu cloud even from a Mac OS X terminal.
> On Mon, Dec 19, 2011 at 4:09 PM, Jorge O. Castro <jorge at ubuntu.com> wrote:
> > Hi everyone,
> >
> > Michael Chenetz has graciously offered to help with bringing juju to OSX.
> >
> > He has two options available right now, brew, and easy_install.
> > Currently both of these solutions require XCode to be installed to
> > work:
> >
> > https://juju.ubuntu.com/OSX
> >
> > He's tested it on three machines and it works, but I'd like to see
> > some more people try it before I announce it to the larger world, so
> > if you have OSX handy and want to give these a shot then please do and
> > report how it works.
> >
> > If you're looking to help with getting this working on OSX please ping
> > me or this list and we can coordinate efforts/work.
> >
> > --
> > Jorge Castro
> > Canonical Ltd.
> > http://cloud.ubuntu.com
> >
> > --
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> --
> Elliot Murphy | https://launchpad.net/~statik/
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