[#1121] node: Refactor mods of shard
Signed-off-by: Alexander Chuprov <a.chuprov@yadro.com>
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1 changed files with 13 additions and 15 deletions
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@ -8,27 +8,25 @@ type Mode uint32
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const (
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const (
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// ReadWrite is a Mode value for shard that is available
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// ReadWrite is a Mode value for shard that is available
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// for read and write operations. Default shard mode.
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// for read and write operations. Default shard mode.
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ReadWrite Mode = 0
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ReadWrite Mode = 0b000
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// DegradedReadOnly is a Mode value for shard that is set automatically
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// ReadOnly is a Mode value for shard that does not
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// after a certain number of errors is encountered. It is the same as
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// accept write operation but is readable.
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// `mode.Degraded` but also is read-only.
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ReadOnly Mode = 0b001
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DegradedReadOnly = Degraded | ReadOnly
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// Degraded is a Mode value for shard when the metabase is unavailable.
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// It is hard to perform some modifying operations in this mode, thus it can only be set by an administrator.
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Degraded Mode = 0b010
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// Disabled mode is a mode where a shard is disabled.
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// Disabled mode is a mode where a shard is disabled.
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// An existing shard can't have this mode, but it can be used in
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// An existing shard can't have this mode, but it can be used in
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// the configuration or control service commands.
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// the configuration or control service commands.
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Disabled = math.MaxUint32
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Disabled Mode = math.MaxUint32
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)
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const (
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// DegradedReadOnly is a Mode value for shard that is set automatically
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// ReadOnly is a Mode value for shard that does not
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// after a certain number of errors is encountered. It is the same as
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// accept write operation but is readable.
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// `mode.Degraded` but also is read-only.
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ReadOnly Mode = 1 << iota
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DegradedReadOnly Mode = Degraded | ReadOnly
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// Degraded is a Mode value for shard when the metabase is unavailable.
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// It is hard to perform some modifying operations in this mode, thus it can only be set by an administrator.
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Degraded
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)
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)
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func (m Mode) String() string {
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func (m Mode) String() string {
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