feat: reload configuration without downtime (#134)

Artyom Kartasovrequested to merge
134-reload-configuration into master

Description

  • reload Database Lab configuration without downtime
  • remove legacy options
  • highlight configuration errors
  • reload snapshot and retention schedulers

Related issue

#134 (closed)

Examples

docker exec -it dblab_server kill -SIGHUP 1

Checklist

  • the MR description has been reviewed
  • this MR contains text changes and they have been reviewed OR there are no texts changes
  • this MR contains GUI/CLI changes and they have been reviewed OR there are no GUI/CLI changes
  • this MR contains API changes, specifications reflect those changes and they have been reviewed OR there are no API changes

Closes #134 (closed)

Edited by Artyom Kartasov

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