How to open port with juju when no application is instlaled?

Akshat Jiwan Sharma akshatjiwan at
Thu Nov 23 18:21:42 UTC 2017

> Is there a reason you prefer to install it manually?

Well actually I'm installing openresty <> and
there is no charm available for it at the moment....

But thanks for your idea about installing some other charm that I can use,
expose it and then use the open port functionality.
That will work for me.


On Thu, Nov 23, 2017 at 11:39 PM, John Meinel <john at>

> I believe there is an nginx charm, which you could have installed with
> "juju deploy nginx --to X"  (where X is the machine id of the postgres
> charm), and then used "juju expose nginx".
> Is there a reason you prefer to install it manually?
> One other option would be to co-locate the "ubuntu" charm and than use
> open port from there, if you really don't want any other applications
> installed.
> Generally we model ports-to-be-opened as part of an application, rather
> than on a machine. So there's likely to be friction there without an
> application to expose.
> John
> =:->
> On Thu, Nov 23, 2017 at 9:54 PM, Akshat Jiwan Sharma <
> akshatjiwan at> wrote:
>> Hi,
>> I've used juju to deploy postgres on aws. On the same machine I've
>> installed an nginx server manually (i.e without juju) that listens on ports
>> 80 and 443. I want both of these ports to be open but juju command
>> open-port only works when an application is exposed.
>> *open-portopen-port registers a port or range to open on the
>> public-interface. On public clouds the port will only be open while the
>> application is exposed.*
>> Now according to juju I only have one application (postgres) on my
>> machine, that I don't want exposed anyway. However I do want ports 80 and
>> 443 to be accessible  publicly. Is adding a policy to aws manually my only
>> option here?
>> Thanks,
>> Akshat
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