Add type config.Redis

Redis defines Redis client configuration.

pkg/config/redis.go

@@ -0,0 +1,27 @@
+package config
+
+import (
+	"github.com/go-redis/redis/v8"
+	"github.com/icinga/icingadb/pkg/icingaredis"
+	"go.uber.org/zap"
+	"time"
+)
+
+// Redis defines Redis client configuration.
+type Redis struct {
+	Address  string `yaml:"address"`
+	Password string `yaml:"password"`
+}
+
+// NewClient prepares Redis client configuration,
+// calls redis.NewClient, but returns *icingaredis.Client.
+func (r *Redis) NewClient(logger *zap.SugaredLogger) (*icingaredis.Client, error) {
+	c := redis.NewClient(&redis.Options{
+		Addr:        r.Address,
+		Password:    r.Password,
+		DB:          0, // Use default DB,
+		ReadTimeout: 30 * time.Second,
+	})
+
+	return icingaredis.NewClient(c, logger), nil
+}