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homarus

Homarus

Introduction

FFmpeg as a microservice.

Installation

  • Install ffmpeg. On Ubuntu, this can be done with sudo apt-get install ffmpeg.
  • Clone this repository somewhere in your web root (example: /var/www/html/Crayfish/Homarus).
  • Install composer. [Install instructions here.][4]
  • $ cd /path/to/Homarus and run $ composer install
  • Configure your web server appropriately (e.g. add a VirtualHost for Homarus in Apache)

Apache2

To use Homarus with Apache you need to configure your Virtualhost with a few options:

  • Redirect all requests to the Homarus index.php file
  • Make sure Homarus has access to Authorization headers

Here is an example configuration for Apache 2.4:

Alias "/homarus" "/var/www/html/Crayfish/Homarus/public"
<Directory "/var/www/html/Crayfish/Homarus/public">
  FallbackResource /homarus/index.php
  Require all granted
  DirectoryIndex index.php
  SetEnvIf Authorization "(.*)" HTTP_AUTHORIZATION=$1
</Directory>

This will put the Homarus at the /homarus endpoint on the web server.

Upgrading

Steps for upgrading Homarus can be found in UPGRADE.md

Configuration

Symfony uses .dotenv to set environment variables. You can check the .env in the root of the Homarus directory. To alter any settings, create a file called .env.local to store your specific changes. You can also set an actual environment variable.

For production use make sure to set the add APP_ENV=prod environment variable.

If your ffmpeg installation is not on your path, then you can configure homarus to use a specific executable by editing the app.executable parameter in /path/to/Homarus/config/services.yaml.

You also need to set your Fedora Base Url to allow the Fedora Resource to be pulled in automatically. This is done in the /path/to/Homarus/config/packages/crayfish_commons.yaml.

Logging

To change your log settings, edit the /path/to/Homarus/config/packages/monolog.yaml file.

You can also copy the file into one of the /path/to/Homarus/config/packages/<environment> directories. Where <environment> is dev, test, or prod based on the APP_ENV variable (see above). The files in the specific environment directory will take precedence over those in the /path/to/Homarus/config/packages directory.

The location specified in the configuration file for the log must be writable by the web server.

Enabling JWT authentication

There are instructions in the /path/to/Homarus/config/packages/security.yaml file describing what to change and what lines to comment out to enable authentication.

We use the Lexik JWT Authentication Bundle for Symfony, more information here https://github.com/lexik/LexikJWTAuthenticationBundle

Usage

This will return the an AVI file for the test video file in Fedora.

curl -H "Authorization: Bearer islandora" -H "Accept: video/x-msvideo" -H "Apix-Ldp-Resource:http://localhost:8080/fcrepo/rest/testvideo" http://localhost:8000/homarus/convert --output output.avi

Maintainers

Current maintainers:

Development

If you would like to contribute, please get involved by attending our weekly Tech Call. We love to hear from you!

If you would like to contribute code to the project, you need to be covered by an Islandora Foundation Contributor License Agreement or Corporate Contributor License Agreement. Please see the Contributors pages on Islandora.ca for more information.

License

MIT