overture-stack / dms

Overture Data Management System
GNU Affero General Public License v3.0
0 stars 1 forks source link

Add Health check capability to services #31

Open rtisma opened 4 years ago

rtisma commented 4 years ago

Even though services are deployed with the restart=always docker parameter meaning when the service fails to boot (for instance, song-api wll not boot if it cannot create a connection to the song-db database), it restarts automatically.

Without this, the user will know that all services were successfully deploy, but will not know if they are healthy and ready to use. In the genomics data playground, readyness was manually checked on a per service basis by doing curl or docker exec commands.

With this feature, we can not only deploy song-api when the song-db is ready, but we can also block program exit until something exceeds the retry count or until everything succeeds.

This will require:

b-f-chan commented 4 years ago

Testing scope - Only checks for EGO, but implementation is generic and can be applied to SONG, SCORE, etc