Tudor, see the bash branch: https://github.com/sebas5384/charm-drupal/tree/bash
Abs, Sebas. 2014-05-21 14:35 GMT-03:00 Sebastian <sebas5...@gmail.com>: > Hey Tudor! thanks for doing a new charm! :D > > I can show you a charm I'm doing for Drupal, take a look: > https://github.com/sebas5384/charm-drupal > > Drupal needs MySQL to work, so you can do: > - Only enable ports like 80 when the db-relation-changed hook is fired, > and the relation to mysql must be required in the metadata.yaml > - You can do a bundle to ensure the topology, like openstack for example. > > I'm planning to do the two :) > > Cheers, > Sebas. > > > > 2014-05-21 11:53 GMT-03:00 Tudor Rogoz <ro...@adobe.com>: > >> Hi, >> >> >> I'm new to juju and I just started to work on a new charm and I'm not >> sure how to solve several issues.I will appreciate any advice on this. >> >> >> The topology that I want to achieve is described bellow: >> >> >> My service (i will call it application service) "strongly" depends on >> the mongodb service [0].This means that the application service cannot be >> installed and started without a mongo previously configured for storing the >> application data.The problem is that when I'm deploying the service, >> automatically the install, config-service and start hooks will be >> triggered, but at this point my service cannot know about mongo service >> because a relation between the 2 services is not established yet.So, it's >> impossible for me to perform the product installation in the install >> hook.An ugly workaround would be to perform the installation in the >> relation-joined/relation-cahnged hook, but this would be my last >> option.Even in this case the service unit will appear as "started" after >> the start hook ends, but nothing will actually run there. >> >> I would like for the charm to support the following scenario. >> >> 1/I deploy the application service >> >> 2/ the service unit remains in a pending state before the installation >> hook will run because the service unit has no access to a mongo service >> >> 3/ deploy the mongo service which successfully starts >> >> 4/ add a relation between mongo and application service. The app service >> will get the mongo connection information >> >> 5/ application service installation starts (the install hook is >> unblocked), and successfully starts >> >> >> >> Another problem that i have is the following: >> >> For example, one of my application units is getting the connection >> details from a specific mongodb unit while running the relation hook, were >> i can store the specific information for using it in another hook? Is there >> anything implemented in juju for this, or I should write the information in >> a file and store it on disk and read from there when is need it? >> >> >> [0] https://github.com/charms/mongodb >> <https://github.com/charms/mongodb> >> charms/mongodb · GitHub >> mongodb - Mirror of juju charm, pull requests and modifications welcome! >> Read more... <https://github.com/charms/mongodb> >> >> >> >> Thanks a lot, >> >> Tudor >> >> >> >> -- >> Juju mailing list >> Juju@lists.ubuntu.com >> Modify settings or unsubscribe at: >> https://lists.ubuntu.com/mailman/listinfo/juju >> >> >
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