Fallback to Database when S3 Blob Not Found

[bradrydzewski]

this will allow teams to adopt S3 while still being able to access older logs stored in the database.

[tboerger]

That would be great, or alternatively some kind of migration.

[bradrydzewski]

@tboerger agreed. I will plan on also adding something to drone-migrate

[bradrydzewski]

the fallback is now in place, you can switch to S3 and drone will fallback to the database to display older logs. There is also an s3 log migration option at https://github.com/drone/drone-migrate#migrate-logs-from-08-to-10