3 Commits

Author SHA1 Message Date
Marek Siarkowicz
431adc5878 server: Implement storage downgrades
By validating if WAL doesn't include any incompatible entries we can
implement storage downgrades.
2021-10-29 12:47:19 +02:00
Marek Siarkowicz
f5d71fa389 server: Detect when WAL includes unapplied cluster version set to higher version
This is because etcd v3.5 will panic when it encounters
ClusterVersionSet entry with version >3.5.0. For downgrades to v3.5 to
work we need to make sure this entry is snapshotted.
2021-10-29 12:47:19 +02:00
Marek Siarkowicz
703df1c491 server: Move wal versioning functions to wal package 2021-10-08 12:01:53 +02:00