Fail namespace creation if passed load balancing group doesn't exist

.github/workflows/build-container.yml

@@ -85,7 +85,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        test: ["cli", "state", "multi_gateway", "server", "grpc", "omap_lock", "old_omap", "log_files", "nsid", "namespaces"]
+        test: ["cli", "cli_change_lb", "state", "multi_gateway", "server", "grpc", "omap_lock", "old_omap", "log_files", "nsid", "namespaces"]
     runs-on: ubuntu-latest
     env:
       HUGEPAGES: 512  # for multi gateway test, approx 256 per gateway instance

control/cephutils.py

@@ -26,8 +26,10 @@ def __init__(self, config):
         self.last_sent = time.time()
 
     def execute_ceph_monitor_command(self, cmd):
+         self.logger.debug(f"Execute monitor command: {cmd}")
          with rados.Rados(conffile=self.ceph_conf, rados_id=self.rados_id) as cluster:
             rply = cluster.mon_command(cmd, b'')
+            self.logger.debug(f"Monitor reply: {rply}")
             return rply
 
     def get_number_created_gateways(self, pool, group):

control/grpc.py

@@ -529,7 +529,7 @@ def create_subsystem_safe(self, request, context):
         peer_msg = self.get_peer_message(context)
 
         self.logger.info(
-            f"Received request to create subsystem {request.subsystem_nqn}, enable_ha: {request.enable_ha}, context: {context}{peer_msg}")
+            f"Received request to create subsystem {request.subsystem_nqn}, enable_ha: {request.enable_ha}, max_namespaces: {request.max_namespaces}, context: {context}{peer_msg}")
 
         if not request.enable_ha:
             errmsg = f"{create_subsystem_error_prefix}: HA must be enabled for subsystems"
@@ -592,7 +592,7 @@ def create_subsystem_safe(self, request, context):
                     ana_reporting = enable_ha,
                 )
                 self.subsys_ha[request.subsystem_nqn] = enable_ha
-                self.subsys_max_ns[request.subsystem_nqn] = request.max_namespaces  if request.max_namespaces is not None else 32
+                self.subsys_max_ns[request.subsystem_nqn] = request.max_namespaces if request.max_namespaces else 32
                 self.logger.debug(f"create_subsystem {request.subsystem_nqn}: {ret}")
             except Exception as ex:
                 self.logger.exception(create_subsystem_error_prefix)
@@ -957,8 +957,17 @@ def namespace_add_safe(self, request, context):
             if not context:
                 create_image = False
             else: # new namespace
-                if request.anagrpid == 0:
+                # If an explicit load balancing group was passed, make sure it exists
+                if request.anagrpid != 0:
+                    grps_list = self.ceph_utils.get_number_created_gateways(self.gateway_pool, self.gateway_group)
+                    if request.anagrpid not in grps_list:
+                        self.logger.debug(f"ANA groups: {grps_list}")
+                        errmsg = f"Failure adding namespace {nsid_msg}to {request.subsystem_nqn}: Load balancing group {request.anagrpid} doesn't exist"
+                        self.logger.error(errmsg)
+                        return pb2.req_status(status=errno.ENODEV, error_message=errmsg)
+                else:
                    anagrp = self.choose_anagrpid_for_namespace(request.nsid)
+                   assert anagrp != 0
                 #   if anagrp == 0:
                 #        errmsg = f"Failure adding namespace with automatic ana group load balancing  {nsid_msg} to {request.subsystem_nqn}"
                 #        self.logger.error(errmsg)
@@ -1036,6 +1045,12 @@ def namespace_change_load_balancing_group_safe(self, request, context):
         self.logger.info(f"Received request to change load balancing group for namespace {nsid_msg}in {request.subsystem_nqn} to {request.anagrpid}, context: {context}{peer_msg}")
 
         with self.omap_lock(context=context):
+            grps_list = self.ceph_utils.get_number_created_gateways(self.gateway_pool, self.gateway_group)
+            if request.anagrpid not in grps_list:
+                self.logger.debug(f"ANA groups: {grps_list}")
+                errmsg = f"Failure changing load balancing group for namespace {nsid_msg}in {request.subsystem_nqn}: Load balancing group {request.anagrpid} doesn't exist"
+                self.logger.error(errmsg)
+                return pb2.req_status(status=errno.ENODEV, error_message=errmsg)
             find_ret = self.find_namespace_and_bdev_name(request.subsystem_nqn, request.nsid, request.uuid, False,
                             f"Failure changing load balancing group for namespace {nsid_msg}in {request.subsystem_nqn}")
             if not find_ret[0]: