Support cockroachdb (#19)

* add support for cockroachdb by docker pulling

* adjust sqlancer dockerfile to adapt the latest version of cockrachdb

* Revert "adjust sqlancer dockerfile to adapt the latest version of cockrachdb"

This reverts commit c04c6f1.

* set default miracle to NoREC

Author: CelestaLiu

cockroachdb/__init__.py

@@ -0,0 +1,17 @@
+{
+    "embedded": "no",
+    "dbms": "cockroachdb",
+    "image": "cockroachdb/cockroach:v24.1.0",
+    "container_name": "cockroachdb-sqlancer",
+    "port": 26257,
+    "startup_cmd": [
+        "start-single-node",
+        "--insecure"
+    ],
+    "username": "root",
+    "password": "",
+    "oracle": "NOREC",
+    "num_threads": 4,
+    "timeout_seconds": 60
+  }
+  

cockroachdb/config.json

@@ -1,5 +1,5 @@
 {
-  "dbms_list": ["mysql", "postgres", "sqlite", "tidb"],
+  "dbms_list": ["mysql", "postgres", "sqlite", "tidb", "cockroachdb"],
   "dbms": "mysql",
   "container_name": "mysql-custom",
   "image": "mysql-custom",

config.json

@@ -18,6 +18,7 @@ def start_db_container(dbms, cfg, script_log, docker_log):
     image = cfg.get("image")
     container_name = cfg.get("container_name", f"{dbms}-sqlancer")
     env_dict = cfg.get("env", {})
+    startup_cmd = cfg.get("startup_cmd", [])
 
     if not image:
         script_log.error( "Missing 'image' field in config.json")
@@ -36,7 +37,8 @@ def start_db_container(dbms, cfg, script_log, docker_log):
         "--name", container_name,
         "--network", "sqlancer-net",
         *env_vars,
-        image
+        image,
+        *startup_cmd
     ], docker_log)
 
     script_log.info("Starting DBMS container: %s ...", container_name)