[Bug 1752308] Re: ceph-mgr needs python-jinja2 for dashboard plugin

[Brian Murray]

Hello Dr., or anyone else affected,

Accepted ceph into artful-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/ceph/12.2.4-0ubuntu0.17.10.1 in a
few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-artful to verification-done-artful. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-artful. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: ceph (Ubuntu Artful)
       Status: Triaged => Fix Committed

** Tags added: verification-needed verification-needed-artful

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https://bugs.launchpad.net/bugs/1752308

Title:
  ceph-mgr needs python-jinja2 for dashboard plugin

Status in ceph package in Ubuntu:
  Fix Released
Status in ceph source package in Artful:
  Fix Committed

Bug description:
  [Impact]
  ceph-mgr dashboard is not functional

  [Test Case]
  Deploy ceph cluster using Juju charms
  juju ssh ceph-mon/0 "sudo ceph mgr module enable dashboard"
  ceph-mgr daemon will log the error in "/var/log/ceph/ceph-mgr.hostname.log" from the original bug report and dashboard will not function.

  [Regression Potential]
  Minimal - addition of required dep for mgr dashboard module

  [Original Bug Report]
  Trying to enable the dashboard module in ceph-mrg according to this guide https://blog.widodh.nl/2017/06/using-the-new-dashboard-in-ceph-mgr/ I'm seeing an error in the ceph-mgr log during startup:

  2018-02-28 11:27:54.507314 7fb635382680  0 ceph version 12.2.2 (cf0baeeeeba3b47f9427c6c97e2144b094b7e5ba) luminous (stable), process (unknown), pid 27970
  2018-02-28 11:27:54.508791 7fb635382680  0 pidfile_write: ignore empty --pid-file
  2018-02-28 11:27:54.514032 7fb635382680  1 mgr send_beacon standby
  2018-02-28 11:27:54.526143 7fb62c6b4700  1 mgr init Loading python module 'dashboard'
  2018-02-28 11:27:54.577279 7fb62c6b4700 -1 mgr load Module not found: 'dashboard'
  2018-02-28 11:27:54.577289 7fb62c6b4700 -1 mgr load Traceback (most recent call last):
    File "/usr/lib/x86_64-linux-gnu/ceph/mgr/dashboard/__init__.py", line 2, in <module>
      from module import *  # NOQA
    File "/usr/lib/x86_64-linux-gnu/ceph/mgr/dashboard/module.py", line 28, in <module>
      import jinja2
  ImportError: No module named jinja2

  Expected result (seen after installing python-jinja2 pkg):

  2018-02-28 11:38:24.950585 7f8302522680  0 ceph version 12.2.2 (cf0baeeeeba3b47f9427c6c97e2144b094b7e5ba) luminous (stable), process (unknown), pid 31137
  2018-02-28 11:38:24.952035 7f8302522680  0 pidfile_write: ignore empty --pid-file
  2018-02-28 11:38:24.956888 7f8302522680  1 mgr send_beacon standby
  2018-02-28 11:38:24.969668 7f82f9854700  1 mgr init Loading python module 'dashboard'
  2018-02-28 11:38:25.066943 7f82f9854700  1 mgr init Loading python module 'restful'
  2018-02-28 11:38:25.167533 7f82f9854700  1 mgr init Loading python module 'status'
  2018-02-28 11:38:25.185504 7f82f9854700  1 mgr load Constructed class from module: dashboard

  So that package should be added as dependency to ceph-mgr.

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