[Bug 2039955] Re: Opening NFS tab in the dashboard leads to ceph mgr crash - orchestrator._interface.NoOrchestrator: No orchestrator configured

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: ceph (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/2039955

Title:
  Opening NFS tab in the dashboard leads to ceph mgr crash -
  orchestrator._interface.NoOrchestrator: No orchestrator configured

Status in Ceph Dashboard Charm:
  New
Status in ceph package in Ubuntu:
  Confirmed

Bug description:
  Whenever the NFS tab in the Ceph dashboard is opened, NoOrchestrator
  exception is raised and it's considered as a ceph mgr module crash
  (although it's not an actual process crash).

  Other tabs that require orchestrator handle the situation well, those
  tabs prints the following message but no exception is raised.

  ====
  Orchestrator is not available
  Orchestrator is unavailable: No orchestrator configured (try `ceph orch set backend`)
  Please consult the documentation on how to configure and enable the management functionality. 
  ====

  In the meantime, with the NFS tab, exception is raised.

  https://dashboard.example.com:8443/#/nfs
  ====
  NFS-Ganesha is not configured

  Remote method threw exception: Traceback (most recent call last): File "/usr/share/ceph/mgr/nfs/module.py", line 169, in cluster_ls return available_clusters(self) File "/usr/share/ceph/mgr/nfs/utils.py", line 38, in available_clusters completion = mgr.describe_service(service_type='nfs') File "/usr/share/ceph/mgr/orchestrator/_interface.py", line 1488, in inner completion = self._oremote(method_name, args, kwargs) File "/usr/share/ceph/mgr/orchestrator/_interface.py", line 1555, in _oremote raise NoOrchestrator() orchestrator._interface.NoOrchestrator: No orchestrator configured (try `ceph orch set backend`)
  Please consult the documentation on how to configure and enable the management functionality. 
  ====

  
  # ceph health
  HEALTH_WARN 2 mgr modules have recently crashed

  # ceph crash ls
  ID                                                                ENTITY                   NEW  
  2023-10-20T00:40:40.362363Z_2f461bb5-343c-4cb4-8134-99ae29ddc60c  mgr.juju-ffeb43-0-lxd-0   *   
  2023-10-20T02:24:37.980204Z_9bf106e2-0dd2-4a88-b0f4-647dfa82697f  mgr.juju-ffeb43-0-lxd-0   *   

  
  # ceph crash info 2023-10-20T00:40:40.362363Z_2f461bb5-343c-4cb4-8134-99ae29ddc60c
  {
      "backtrace": [
          "  File \"/usr/share/ceph/mgr/nfs/module.py\", line 169, in cluster_ls\n    return available_clusters(self)",
          "  File \"/usr/share/ceph/mgr/nfs/utils.py\", line 38, in available_clusters\n    completion = mgr.describe_service(service_type='nfs')",
          "  File \"/usr/share/ceph/mgr/orchestrator/_interface.py\", line 1488, in inner\n    completion = self._oremote(method_name, args, kwargs)",
          "  File \"/usr/share/ceph/mgr/orchestrator/_interface.py\", line 1555, in _oremote\n    raise NoOrchestrator()",
          "orchestrator._interface.NoOrchestrator: No orchestrator configured (try `ceph orch set backend`)"
      ],
      "ceph_version": "17.2.6",
      "crash_id": "2023-10-20T00:40:40.362363Z_2f461bb5-343c-4cb4-8134-99ae29ddc60c",
      "entity_name": "mgr.juju-ffeb43-0-lxd-0",
      "mgr_module": "nfs",
      "mgr_module_caller": "ActivePyModule::dispatch_remote cluster_ls",
      "mgr_python_exception": "NoOrchestrator",
      "os_id": "22.04",
      "os_name": "Ubuntu 22.04.3 LTS",
      "os_version": "22.04.3 LTS (Jammy Jellyfish)",
      "os_version_id": "22.04",
      "process_name": "ceph-mgr",
      "stack_sig": "b01db59d356dd52f69bfb0b128a216e7606f54a60674c3c82711c23cf64832ce",
      "timestamp": "2023-10-20T00:40:40.362363Z",
      "utsname_hostname": "juju-ffeb43-0-lxd-0",
      "utsname_machine": "x86_64",
      "utsname_release": "5.15.0-87-generic",
      "utsname_sysname": "Linux",
      "utsname_version": "#97-Ubuntu SMP Mon Oct 2 21:09:21 UTC 2023"
  }

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ceph-mgr-dashboard 17.2.6-0ubuntu0.22.04.1
  ProcVersionSignature: Ubuntu 5.15.0-87.97-generic 5.15.122
  Uname: Linux 5.15.0-87-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.5
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CloudArchitecture: x86_64
  CloudID: lxd
  CloudName: lxd
  CloudPlatform: lxd
  CloudSubPlatform: LXD socket API v. 1.0 (/dev/lxd/sock)
  Date: Fri Oct 20 09:49:25 2023
  PackageArchitecture: all
  ProcEnviron:
   TERM=screen-256color
   PATH=(custom, no user)
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: ceph
  UpgradeStatus: No upgrade log present (probably fresh install)

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