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4998a08c56
This adds a new very tiny memdb table and corresponding raft operation for updating a very small effective map[string]string collection of "system metadata". This can persistently record a fact about the Consul state machine itself. The first use of this feature will come in a later PR.
37 lines
921 B
Go
37 lines
921 B
Go
package structs
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// SystemMetadataOp is the operation for a request related to system metadata.
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type SystemMetadataOp string
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const (
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SystemMetadataUpsert SystemMetadataOp = "upsert"
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SystemMetadataDelete SystemMetadataOp = "delete"
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)
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// SystemMetadataRequest is used to upsert and delete system metadata.
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type SystemMetadataRequest struct {
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// Datacenter is the target for this request.
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Datacenter string
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// Op is the type of operation being requested.
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Op SystemMetadataOp
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// Entry is the key to modify.
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Entry *SystemMetadataEntry
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// WriteRequest is a common struct containing ACL tokens and other
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// write-related common elements for requests.
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WriteRequest
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}
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type SystemMetadataEntry struct {
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Key string
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Value string `json:",omitempty"`
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RaftIndex
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}
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// RequestDatacenter returns the datacenter for a given request.
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func (c *SystemMetadataRequest) RequestDatacenter() string {
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return c.Datacenter
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}
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