check install in progress

functions.php

@@ -12,6 +12,28 @@ function ping_redis() {
 	else return false;
 }
 
+function check_install() {
+
+	global $REDIS_HOST;
+
+	$redis = new Redis();
+	$redis->connect($REDIS_HOST);
+	if ($redis->ping()) {
+		$members = $redis->sMembers("web_in"); // redis-cli -h redis-server smembers $group
+		print_r($members);
+
+		$in_progress=0;
+		foreach ($members as $member) {
+			echo substr($member,0,7);
+			if (substr($member,0,7)=="install") {
+				$in_progress=$member;
+				break;
+			}
+		}
+		return $in_progress;
+	}
+}
+
 function check_redis($group="scheduler_in", $key="") {
 
 	global $REDIS_HOST;