Initial commit: Open sourcing all of the Maple Open Technologies code.

cloud/maplepress-backend/pkg/leaderelection/provider.go

@@ -0,0 +1,30 @@
+package leaderelection
+
+import (
+	"github.com/redis/go-redis/v9"
+	"go.uber.org/zap"
+
+	"codeberg.org/mapleopentech/monorepo/cloud/maplepress-backend/config"
+)
+
+// ProvideLeaderElection provides a LeaderElection instance for Wire DI.
+func ProvideLeaderElection(
+	cfg *config.Config,
+	redisClient *redis.Client,
+	logger *zap.Logger,
+) (LeaderElection, error) {
+	// Create configuration from app config
+	// InstanceID and Hostname are auto-generated by NewRedisLeaderElection
+	leConfig := &Config{
+		RedisKeyName:      "maplepress:leader:lock",
+		RedisInfoKeyName:  "maplepress:leader:info",
+		LockTTL:           cfg.LeaderElection.LockTTL,
+		HeartbeatInterval: cfg.LeaderElection.HeartbeatInterval,
+		RetryInterval:     cfg.LeaderElection.RetryInterval,
+		InstanceID:        "", // Auto-generated from hostname + random suffix
+		Hostname:          "", // Auto-detected from os.Hostname()
+	}
+
+	// redis.Client implements redis.UniversalClient interface
+	return NewRedisLeaderElection(leConfig, redisClient, logger)
+}