From 8ce3b4cc0a82d5ac17827df805f9830ef0a1b56e Mon Sep 17 00:00:00 2001
From: Oleg Jukovec <oleg.jukovec@tarantool.org>
Date: Mon, 16 Oct 2023 12:07:56 +0300
Subject: [PATCH] fix

---
 crud.lua              | 39 +++++++++++++++++++++------------------
 crud/common/utils.lua | 15 +++++++--------
 2 files changed, 28 insertions(+), 26 deletions(-)

diff --git a/crud.lua b/crud.lua
index 80c46828..eb250cb1 100644
--- a/crud.lua
+++ b/crud.lua
@@ -172,26 +172,29 @@ function crud.init_storage()
         error('box.cfg() must be called first')
     end
 
-    local ok, storage_info = pcall(vshard.storage.info)
-    if not ok then
-        error('vshard.storage.cfg() must be called first')
+    local user = nil
+    if not box.info.ro then
+        local ok, storage_info = pcall(vshard.storage.info)
+        if not ok then
+            error('vshard.storage.cfg() must be called first')
+        end
+
+        local box_info = box.info()
+        local replicaset_uuid
+        if box_info.replicaset ~= nil then
+            replicaset_uuid = box_info.replicaset.uuid
+        else
+            replicaset_uuid = box_info.cluster.uuid
+        end
+        local replicaset_info = storage_info.replicasets[replicaset_uuid]
+        if replicaset_info == nil or replicaset_info.master == nil then
+            error(string.format('Failed to find a vshard configuration for ' ..
+                ' replicaset with replicaset_uuid %s.',
+                replicaset_uuid))
+        end
+        user = luri.parse(replicaset_info.master.uri).login or 'guest'
     end
 
-    local box_info = box.info()
-    local replicaset_uuid
-    if box_info.replicaset ~= nil then
-        replicaset_uuid = box_info.replicaset.uuid
-    else
-        replicaset_uuid = box_info.cluster.uuid
-    end
-    local replicaset_info = storage_info.replicasets[replicaset_uuid]
-    if replicaset_info == nil or replicaset_info.master == nil then
-        error(string.format('Failed to find a vshard configuration for ' ..
-            ' replicaset with replicaset_uuid %s.',
-            replicaset_uuid))
-    end
-    local user = luri.parse(replicaset_info.master.uri).login or 'guest'
-
     if rawget(_G, '_crud') == nil then
         rawset(_G, '_crud', {})
     end
diff --git a/crud/common/utils.lua b/crud/common/utils.lua
index b92478b1..2d843df3 100644
--- a/crud/common/utils.lua
+++ b/crud/common/utils.lua
@@ -1196,26 +1196,25 @@ end
 --- Initializes a storage function by its name.
 --
 --  It adds the function into the global scope by its name and required
---  rights to a vshard storage user.
+--  access to a vshard storage user.
 --
 --  @function init_storage_call
 --
+--  @param string name of a user or nil if there is no need to setup access.
 --  @param string name a name of the function.
 --  @param function func the function.
 --
 --  @return nil
 function utils.init_storage_call(user, name, func)
-    dev_checks('string', 'string', 'function')
+    dev_checks('?string', 'string', 'function')
 
     rawset(_G['_crud'], name, func)
 
-    if box.info().ro then
-        return
+    if user ~= nil then
+        name = utils.get_storage_call(name)
+        box.schema.func.create(name, {setuid = true, if_not_exists = true})
+        box.schema.user.grant(user, 'execute', 'function', name, {if_not_exists=true})
     end
-
-    name = utils.get_storage_call(name)
-    box.schema.func.create(name, {setuid = true, if_not_exists = true})
-    box.schema.user.grant(user, 'execute', 'function', name, {if_not_exists=true})
 end
 
 local expected_vshard_api = {