Hell again Merlijn, It was nice to see you at the Charmer summit! This is a very interesting use of Juju.
What you are seeing is what we call a "hook context". Hooks execute with root authority and have certain environment variables are set. This is so Juju commands and tools work correctly. The debug-hooks command puts you into a "hook context" when you run 'juju resolved --retry unit/#' As I wrote all hooks are executed with these environment variables set. If you are running the install script manually outside of a hook context these environment variables would not be set. There is more information about the environment variables here: https://jujucharms.com/docs/devel/authors-hook-environment However, I don't see "JUJU_HOME" listed on this page. Perhaps you could give me more information on what variable is causing a problem and perhaps your hooks could set those values in the case where the script runs manually. Cheers! - Matt Bruzek <matthew.bru...@canonical.com> On Tue, Oct 6, 2015 at 5:07 AM, Merlijn Sebrechts < merlijn.sebrec...@gmail.com> wrote: > Hi > > > I'm developing a Charm that installs the Juju client, among other things. > I'm having some trouble getting this to work. When I use juju debug-hooks > and manually run the install hook, everything works fine. However, when the > hook is executed by Juju automatically, I get strange errors such as > "error: cannot determine juju home, required environment variables are not > set" > > Both the debug-hooks and the normal hook environment execute as root. > However, a lot of env vars are different, like the home dir. > > Debug-hooks: > echo ~ : /home/ubuntu > hook env: > echo ~: /root > > Is this intentional? This causes a lot of bugs that cannot be reproduced > by debug-hooks. Is there a way to solve "error: cannot determine juju > home, required environment variables are not set"? > > > > Kind regards > Merlijn Sebrechts > > -- > Juju mailing list > Juju@lists.ubuntu.com > Modify settings or unsubscribe at: > https://lists.ubuntu.com/mailman/listinfo/juju > >
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