Fix Redis errors if MEMORY command is disabled

Author: RobiNN1

src/Dashboards/Redis/Compatibility/Cluster/PredisCluster.php

@@ -197,7 +197,7 @@ public function streamAdd(string $key, string $id, array $messages): string {
     }
 
     public function rawcommand(string $command, mixed ...$arguments): mixed {
-        return $this->executeRaw(func_get_args());
+        return $this->nodes[0]->executeRaw(func_get_args());
     }
 
     /**
@@ -328,4 +328,16 @@ public function resetSlowlog(): bool {
 
         return true;
     }
+
+    public function isCommandSupported(string $command): bool {
+        try {
+            $commands = $this->nodes[0]->executeRaw(['COMMAND']);
+            $command_names = array_column($commands, 0);
+            $is_supported = in_array(strtolower($command), $command_names, true);
+        } catch (Exception) {
+            $is_supported = false;
+        }
+
+        return $is_supported;
+    }
 }

src/Dashboards/Redis/Compatibility/Cluster/RedisCluster.php

@@ -333,4 +333,16 @@ public function resetSlowlog(): bool {
 
         return true;
     }
+
+    public function isCommandSupported(string $command): bool {
+        try {
+            $commands = $this->rawcommand($this->nodes[0], 'COMMAND');
+            $command_names = array_column($commands, 0);
+            $is_supported = in_array(strtolower($command), $command_names, true);
+        } catch (RedisClusterException) {
+            $is_supported = false;
+        }
+
+        return $is_supported;
+    }
 }

src/Dashboards/Redis/Compatibility/Predis.php

@@ -8,6 +8,7 @@
 
 namespace RobiNN\Pca\Dashboards\Redis\Compatibility;
 
+use Exception;
 use Predis\Client;
 use Predis\Collection\Iterator\Keyspace;
 
@@ -197,4 +198,16 @@ public function getSlowlog(int $count): ?array {
     public function resetSlowlog(): bool {
         return $this->slowlog('RESET') === 'OK';
     }
+
+    public function isCommandSupported(string $command): bool {
+        try {
+            $commands = $this->rawcommand('COMMAND');
+            $command_names = array_column($commands, 0);
+            $is_supported = in_array(strtolower($command), $command_names, true);
+        } catch (Exception) {
+            $is_supported = false;
+        }
+
+        return $is_supported;
+    }
 }

src/Dashboards/Redis/Compatibility/Redis.php

@@ -213,4 +213,16 @@ public function getSlowlog(int $count): ?array {
     public function resetSlowlog(): bool {
         return $this->slowlog('RESET');
     }
+
+    public function isCommandSupported(string $command): bool {
+        try {
+            $commands = $this->rawcommand('COMMAND');
+            $command_names = array_column($commands, 0);
+            $is_supported = in_array(strtolower($command), $command_names, true);
+        } catch (RedisException) {
+            $is_supported = false;
+        }
+
+        return $is_supported;
+    }
 }

src/Dashboards/Redis/Compatibility/RedisCompatibilityInterface.php

@@ -91,4 +91,9 @@ public function getSlowlog(int $count): ?array;
      * Reset Slowlog.
      */
     public function resetSlowlog(): bool;
+
+    /**
+     * Check if a command is supported.
+     */
+    public function isCommandSupported(string $command): bool;
 }

src/Dashboards/Redis/Compatibility/get_key_info.lua

@@ -1,7 +1,12 @@
 local key = KEYS[1]
 local ttl = redis.call("TTL", key)
 local key_type = redis.call("TYPE", key)["ok"]
-local memory_usage = redis.call("MEMORY", "USAGE", key)
+
+local ok, mem = pcall(function()
+    return redis.call("MEMORY", "USAGE", key)
+end)
+local memory_usage = ok and mem or 0
+
 local count
 
 if key_type == "set" then

src/Dashboards/Redis/RedisTrait.php

@@ -360,7 +360,7 @@ public function getAllKeys(): array {
         $filter = Http::get('s', '*');
         $this->template->addGlobal('search_value', $filter);
 
-        if (isset($this->servers[$this->current_server]['scansize']) || !$this->isCommandSupported('KEYS')) {
+        if (isset($this->servers[$this->current_server]['scansize']) || !$this->redis->isCommandSupported('KEYS')) {
             $scansize = (int) ($this->servers[$this->current_server]['scansize'] ?? 1000);
             $keys_array = $this->redis->scanKeys($filter, $scansize);
         } else {
@@ -376,18 +376,6 @@ public function getAllKeys(): array {
         return $this->keysTableView($keys);
     }
 
-    private function isCommandSupported(string $command): bool {
-        try {
-            $commands = $this->redis->rawCommand('COMMAND');
-            $command_names = array_column($commands, 0);
-            $is_supported = in_array(strtolower($command), $command_names, true);
-        } catch (Exception) {
-            $is_supported = false;
-        }
-
-        return $is_supported;
-    }
-
     /**
      * @param array<int|string, mixed> $keys
      *