Add RedisInfo method to RDB

internal/rdb/inspect.go

@@ -3,6 +3,7 @@ package rdb
 import (
 	"encoding/json"
 	"fmt"
+	"strings"
 	"time"
 
 	"github.com/go-redis/redis/v7"
@@ -93,6 +94,23 @@ func (r *RDB) CurrentStats() (*Stats, error) {
 	}, nil
 }
 
+// RedisInfo returns a map of redis info.
+func (r *RDB) RedisInfo() (map[string]string, error) {
+	res, err := r.client.Info().Result()
+	if err != nil {
+		return nil, err
+	}
+	info := make(map[string]string)
+	lines := strings.Split(res, "\r\n")
+	for _, l := range lines {
+		kv := strings.Split(l, ":")
+		if len(kv) == 2 {
+			info[kv[0]] = kv[1]
+		}
+	}
+	return info, nil
+}
+
 // ListEnqueued returns all enqueued tasks that are ready to be processed.
 func (r *RDB) ListEnqueued() ([]*EnqueuedTask, error) {
 	data, err := r.client.LRange(base.DefaultQueue, 0, -1).Result()

internal/rdb/inspect_test.go

@@ -120,7 +120,30 @@ func TestCurrentStats(t *testing.T) {
 			continue
 		}
 	}
+}
 
+func TestRedisInfo(t *testing.T) {
+	r := setup(t)
+
+	info, err := r.RedisInfo()
+	if err != nil {
+		t.Fatalf("RDB.RedisInfo() returned error: %v", err)
+	}
+
+	wantKeys := []string{
+		"redis_version",
+		"uptime_in_days",
+		"connected_clients",
+		"used_memory_human",
+		"used_memory_peak_human",
+		"used_memory_peak_perc",
+	}
+
+	for _, key := range wantKeys {
+		if _, ok := info[key]; !ok {
+			t.Errorf("RDB.RedisInfo() = %v is missing entry for %q", info, key)
+		}
+	}
 }
 
 func TestListEnqueued(t *testing.T) {