Ilia Denisov
38 lines
1.3 KiB
Go
38 lines
1.3 KiB
Go
package redisstate
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import (
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"encoding/base64"
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)
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const defaultPrefix = "notification:"
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// Keyspace builds the Notification Service Redis keys retained after the
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// Stage 5 PostgreSQL migration: only the route lease, the persisted stream
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// offset, and the inbound intent stream key are managed here. Durable
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// notification state lives in the `notification` PostgreSQL schema.
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//
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// Dynamic key segments are encoded with base64url so raw key structure
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// does not depend on caller-provided characters.
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type Keyspace struct{}
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// RouteLease returns the temporary Redis key used to coordinate exclusive
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// publication of one notification_route across replicas.
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func (Keyspace) RouteLease(notificationID string, routeID string) string {
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return defaultPrefix + "route_leases:" + encodeKeyComponent(notificationID) + ":" + encodeKeyComponent(routeID)
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}
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// StreamOffset returns the primary Redis key for one persisted intent-consumer
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// offset.
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func (Keyspace) StreamOffset(stream string) string {
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return defaultPrefix + "stream_offsets:" + encodeKeyComponent(stream)
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}
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// Intents returns the frozen ingress Redis Stream key.
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func (Keyspace) Intents() string {
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return defaultPrefix + "intents"
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}
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func encodeKeyComponent(value string) string {
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return base64.RawURLEncoding.EncodeToString([]byte(value))
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}
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