The app must stop when connection to the backend fails. It will be gracefully restarted on Beanstalk instead of just hanging.
Fixes a regression introduced by #1912.
Add a new log file for important notifications that require an action from
the node operator.
Using a separate log file makes it easier than grepping specific messages
from the standard logs, and lets us use a different style of messaging,
where we provide more information about what steps to take to resolve
the issue.
We rely on an event sent to the event stream so that plugins can also pick
it up and connect with notification systems (push, messages, mails, etc).
In case of catastrophic failures of the `SecureRandom` instance, we add
a secondary randomness source that we mix into the random stream.
This is a somewhat weak random source and should not be used on its own,
but it doesn't hurt to xor it with the output of `SecureRandom`.
We use an actor that listens to events in the system and inject them
in our weak pseudo-RNG.
Front-end logs can produce a huge amount of logs, with significant
duplication. In order to reduce the log volume, we truncate `nodeId` and
`channelId` in the MDC to only keep the first 8 hexadecimal characters.
Also, override a few `toString` because some channel-queries-related
case classes produce huge strings.
We now use a regular release zip, and use it in the awseb bundle.
The default logback configuration now logs to a file, like
`eclair-node`, and we use a dedicated logback configuration for AWS
beanstalk.
By default the front reads the node secret key from the node seed in
the standard `.eclair` directory.
