Run Heroku CLI command from a java application hosted on Heroku

Question

I'm looking for a way to run Heroku CLI commands within a java application hosted on Heroku.

I'd like to be able to run commands like heroku pg:backup heroku pg:restore etc

Is there a way to do that ?

EDIT : I added the Heroku CLI to my app, now I'm looking for a way to invoke heroku commands from my java code.

Maybe you could use something like this :

ProcessBuilder pb = new ProcessBuilder("/path/to/herokuCLI", "myCommand");

Problem is I don't know how to find the right path.

If you look at the file structure of your app on Heroku you can only find your .war + some "configuration files" which is quite normal as you only push a war to Heroku : Procfile system.properties target

Besides I don't think that's the right way to do that.
I'd like to avoid doing backup/restore operations in pure java code.
Maybe you can't rely on Heroku cmd to do the job for you after all.

What have you tried so far? Please post your code. StackOverflow expects you to try to solve your own problem first, as your attempts help us to better understand what you want. Please edit the question to illustrate the specific problem you're having in a Minimal, Complete, and Verifiable example. For more information, please see How to Ask and take the tour. — dmcgrandle
– dmcgrandle, Commented Nov 28, 2018 at 17:08

codefinger · Accepted Answer · 2018-11-28 19:05:47Z

2

You'll need to add the Heroku CLI buildpack to your application. You can do so with: heroku buildpacks:add heroku-community/cli

Push a new build after you've done so and you'll now be able to run CLI commands from inside your application dynos. You can see some additional information about this in the documentation.

edited Nov 28, 2018 at 19:05

codefinger

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answered Nov 28, 2018 at 15:34

RangerRanger

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