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[#1681] node: Block only Object service ops under maintenance

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In previous implementation node blocked any operation of local object
storage in maintenance mode. There is a need to perform some storage
operations like data evacuation or restoration.

Do not call block storage engine in maintenance mode. Make all Object
service operations to return `apistatus.NodeUnderMaintenance` error from
each local op.

Signed-off-by: Leonard Lyubich <ctulhurider@gmail.com>
This commit is contained in:
Leonard Lyubich 2022-10-04 17:01:16 +04:00 • committed by fyrchik
parent 082602b668
commit 713aea06fa
8 changed files with 86 additions and 31 deletions
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9
pkg/services/object/util/node_state.go Normal file
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package util
// NodeState is storage node state processed by Object service.
type NodeState interface {
// IsMaintenance checks if node is under maintenance. Node MUST NOT serve
// local object operations. Node MUST respond with apistatus.NodeUnderMaintenance
// error if IsMaintenance returns true.
IsMaintenance() bool
}