[#1121] node: Refactor mods of shard

Signed-off-by: Alexander Chuprov <a.chuprov@yadro.com>
This commit is contained in:
Alexander Chuprov 2024-05-14 14:44:55 +03:00
parent 643480d6fa
commit 0b0d829346

View file

@ -8,27 +8,25 @@ type Mode uint32
const (
// ReadWrite is a Mode value for shard that is available
// for read and write operations. Default shard mode.
ReadWrite Mode = 0
ReadWrite Mode = 0b000
// DegradedReadOnly is a Mode value for shard that is set automatically
// after a certain number of errors is encountered. It is the same as
// `mode.Degraded` but also is read-only.
DegradedReadOnly = Degraded | ReadOnly
// ReadOnly is a Mode value for shard that does not
// accept write operation but is readable.
ReadOnly Mode = 0b001
// Degraded is a Mode value for shard when the metabase is unavailable.
// It is hard to perform some modifying operations in this mode, thus it can only be set by an administrator.
Degraded Mode = 0b010
// Disabled mode is a mode where a shard is disabled.
// An existing shard can't have this mode, but it can be used in
// the configuration or control service commands.
Disabled = math.MaxUint32
)
Disabled Mode = math.MaxUint32
const (
// ReadOnly is a Mode value for shard that does not
// accept write operation but is readable.
ReadOnly Mode = 1 << iota
// Degraded is a Mode value for shard when the metabase is unavailable.
// It is hard to perform some modifying operations in this mode, thus it can only be set by an administrator.
Degraded
// DegradedReadOnly is a Mode value for shard that is set automatically
// after a certain number of errors is encountered. It is the same as
// `mode.Degraded` but also is read-only.
DegradedReadOnly Mode = Degraded | ReadOnly
)
func (m Mode) String() string {