The watcher uses a buffered channel, so we may get stray events that
we need to consume before generating new ones in the tests.
This is just for testing purposes. In actual use cases, we never expect
to only have one event generated.
Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>
Adds a simple database watcher. At this point it's just one process, but
the plan is to allow different implementations that inform the local running
workers of changes that have occured on entities of interest in the database.
Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>
