[murano] Horizon is unavailable after creating symlink for murano dashboard

[Anastasia Kuznetsova]

Steps to reproduce:
1. Deploy environment using fuel custom ISO 723
2. After environment deployment, manually create symlinks to murano-dashboard enabling by executing following command at every controller:
ln -s /usr/lib/python2.7/dist-packages/openstack_dashboard/enabled/_50_murano.py /usr/share/openstack-dashboard/openstack_dashboard/local/enabled/ && service apache2 restart
3. Try to open Horizon

Observed result:
Internal Server Error in UI
and following error in horizon.log at master node:
...
2015-11-23T13:37:12.230013+00:00 err: [Mon Nov 23 13:37:05.761057 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] self._wrapped = self._setupfunc()
2015-11-23T13:37:12.230013+00:00 err: [Mon Nov 23 13:37:05.761066 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] File "/usr/lib/python2.7/dist-packages/horizon/base.py", line 820, in url_patterns
2015-11-23T13:37:12.230013+00:00 err: [Mon Nov 23 13:37:05.761081 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] return self._urls()[0]
2015-11-23T13:37:12.230013+00:00 err: [Mon Nov 23 13:37:05.761102 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] File "/usr/lib/python2.7/dist-packages/horizon/base.py", line 855, in _urls
2015-11-23T13:37:12.230013+00:00 err: [Mon Nov 23 13:37:05.761116 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] include(dash._decorated_urls)))
2015-11-23T13:37:12.230013+00:00 err: [Mon Nov 23 13:37:05.761125 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] File "/usr/lib/python2.7/dist-packages/horizon/base.py", line 531, in _decorated_urls
2015-11-23T13:37:12.230013+00:00 err: [Mon Nov 23 13:37:05.761138 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] include(panel._decorated_urls)))
2015-11-23T13:37:12.230013+00:00 err: [Mon Nov 23 13:37:05.761148 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] File "/usr/lib/python2.7/dist-packages/horizon/base.py", line 304, in _decorated_urls
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761161 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] urlpatterns = self._get_default_urlpatterns()
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761170 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] File "/usr/lib/python2.7/dist-packages/horizon/base.py", line 110, in _get_default_urlpatterns
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761183 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] urls_mod = import_module('.urls', package_string)
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761193 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] File "/usr/lib/python2.7/dist-packages/django/utils/importlib.py", line 46, in import_module
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761207 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] __import__(name)
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761216 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] File "/usr/lib/python2.7/dist-packages/muranodashboard/packages/urls.py", line 17, in <module>
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761230 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] from muranodashboard.packages import views
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761239 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] File "/usr/lib/python2.7/dist-packages/muranodashboard/packages/views.py", line 42, in <module>
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761252 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] from muranodashboard.api import packages as pkg_api
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761262 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] File "/usr/lib/python2.7/dist-packages/muranodashboard/api/packages.py", line 21, in <module>
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761275 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] from muranodashboard.common import cache
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761284 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] File "/usr/lib/python2.7/dist-packages/muranodashboard/common/cache.py", line 28, in <module>
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761298 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] os.makedirs(OBJS_PATH)
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761307 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] File "/usr/lib/python2.7/os.py", line 150, in makedirs
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761320 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] makedirs(head, mode)
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761329 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] File "/usr/lib/python2.7/os.py", line 157, in makedirs
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761342 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] mkdir(name, mode)
2015-11-23T13:37:12.230874+00:00 err: [Mon Nov 23 13:37:05.761362 2015] [:error] [pid 11757:tid 140562464442112] [remote 192.168.0.4:6727] OSError: [Errno 13] Permission denied: '/var/cache/muranodashboard-cache'

[Timur Nurlygayanov (tnurlygayanov)]

This bug is blocker for QA team, please, fix it as soon as we can.

[Timur Sufiev (tsufiev-x)]

Nastya, please keep in mind that step (2) from STR _is not required_ to add murano-dashboard to horizon. It's already there after the deployment, check file /usr/share/openstack-dashboard/openstack_dashboard/enabled/murano.py

[Timur Sufiev (tsufiev-x)]

s/murano.py/_50_murano.py/

[Alexey Deryugin (velovec)]

Upstream fix on review: https://review.openstack.org/#/c/255869/

[Fuel Devops McRobotson (fuel-devops-robot)]

Fix proposed to branch: mos-8.0
Change author: Alexey Deryugin <email address hidden>
Review: https://review.fuel-infra.org/14670

[Fuel Devops McRobotson (fuel-devops-robot)]

Reviewed: https://review.fuel-infra.org/14670
Submitter: Denis Egorenko <email address hidden>
Branch: mos-8.0

Commit: 312358cf68bb1ad256916b5a4a980e5c6468d590
Author: Alexey Deryugin <email address hidden>
Date: Mon Dec 14 16:19:56 2015

Fix incorrect default metadata_dir and api_url parameters

According to murano-dashboard package murano::dashboard points
to incorrect metadata_dir by default.

Also, since Murano dashboard can use Keystone to locate Murano API,
murano::dashboard parameter api_url should not be set by default.

Change-Id: I9e121b6097afe471ad2914b1fc02624b3b36c1ca
Closes-Bug: #1518981

[Ivan Berezovskiy (iberezovskiy)]

Patch was merged in downstream. Fuel library tag isn't updated yet

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/258025

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/258025
Committed: https://git.openstack.org/cgit/openstack/fuel-library/commit/?id=fcc3c074a8f6f61026b6885b0b0e0c32ae7096e3
Submitter: Jenkins
Branch: master

commit fcc3c074a8f6f61026b6885b0b0e0c32ae7096e3
Author: Alexey Deryugin <email address hidden>
Date: Tue Dec 15 20:31:36 2015 +0300

    Fix incorrect metadata_dir for murano::dashboard

    According to murano-dashboard package murano::dashboard points
    to incorrect metadata_dir by default.

    Downstream fix is merged, so we need to update tag for puppet-murano.
    Downstream Fix: https://review.fuel-infra.org/#/c/14670/

    Change-Id: Ibd083bdfabff60f7a6fe4eac42056794b8dc237f
    Closes-Bug: #1518981

[Anastasia Kuznetsova (akuznetsova)]

Verified on:
ERSION:
  feature_groups:
    - mirantis
  production: "docker"
  release: "8.0"
  api: "1.0"
  build_number: "328"
  build_id: "328"
  fuel-nailgun_sha: "ec25ae8df28e1f1d87da653c5aab2711dff729f6"
  python-fuelclient_sha: "7c7a756fb6a3d091851c060003a2965c67aa353d"
  fuel-agent_sha: "d354cbe61b055db848a15ce66fb7ae92178d2c0a"
  fuel-nailgun-agent_sha: "a33a58d378c117c0f509b0e7badc6f0910364154"
  astute_sha: "c56dfde2da034151a7e707b381c4cf9d213b4ba2"
  fuel-library_sha: "bcc3d042a47547f6ad826360a85ef21dcaf25882"
  fuel-ostf_sha: "b2ebf15a3530b5c7b57707acf8642c1c3ac71bd8"
  fuel-mirror_sha: "8100acb3a566358d0d4ecc66de32d39626263028"
  fuelmenu_sha: "2942a85796d37f09ba8c8c6d762d8813292cf0d4"
  shotgun_sha: "cacb93cbc28910ff0dc38f30a855efa9af50d8ce"
  network-checker_sha: "d443ef47abeda58d319bc8d33d5005dd09440a02"
  fuel-upgrade_sha: "718aa3d7021fee2970f0fa6791cf5188578cc516"
  fuelmain_sha: "3faa824728ce60734abe602ff3778976f8a16eed"