ovs-vsctl excuted in worlddump.py failed

[Haifeng.Yan]

single machine
Linux devstack 3.16.0-53-generic #72~14.04.1-Ubuntu SMP Fri Nov 6 18:17:23 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
devstack master branch

2016-04-29 06:43:04.460 | +lib/keystone:bootstrap_keystone:620 /usr/local/bin/keystone-manage bootstrap --bootstrap-username admin --bootstrap-password nomoresecrete --bootstrap-project-name admin --bootstrap-role-name admin --bootstrap-service-name keystone --bootstrap-region-id RegionOne --bootstrap-admin-url http://192.168.56.254:35357 --bootstrap-public-url http://192.168.56.254:5000 --bootstrap-internal-url http://192.168.56.254:5000
2016-04-29 06:43:06.068 | usage: keystone-manage [bootstrap|db_sync|db_version|domain_config_upload|fernet_rotate|fernet_setup|mapping_purge|mapping_engine|pki_setup|saml_idp_metadata|ssl_setup|token_flush]
2016-04-29 06:43:06.070 | keystone-manage: error: unrecognized arguments: --bootstrap-service-name keystone --bootstrap-region-id RegionOne --bootstrap-admin-url http://192.168.56.254:35357 --bootstrap-public-url http://192.168.56.254:5000 --bootstrap-internal-url http://192.168.56.254:5000
2016-04-29 06:43:06.199 | +lib/keystone:bootstrap_keystone:1 exit_trap
2016-04-29 06:43:06.227 | +./stack.sh:exit_trap:474 local r=2
2016-04-29 06:43:06.250 | ++./stack.sh:exit_trap:475 jobs -p
2016-04-29 06:43:06.272 | +./stack.sh:exit_trap:475 jobs=
2016-04-29 06:43:06.291 | +./stack.sh:exit_trap:478 [[ -n '' ]]
2016-04-29 06:43:06.310 | +./stack.sh:exit_trap:484 kill_spinner
2016-04-29 06:43:06.327 | +./stack.sh:kill_spinner:370 '[' '!' -z '' ']'
2016-04-29 06:43:06.345 | +./stack.sh:exit_trap:486 [[ 2 -ne 0 ]]
2016-04-29 06:43:06.363 | +./stack.sh:exit_trap:487 echo 'Error on exit'
2016-04-29 06:43:06.364 | Error on exit
2016-04-29 06:43:06.381 | +./stack.sh:exit_trap:488 generate-subunit 1461911517 669 fail
2016-04-29 06:43:07.118 | +./stack.sh:exit_trap:489 [[ -z /opt/stack/logs ]]
2016-04-29 06:43:07.137 | +./stack.sh:exit_trap:492 /home/evan/devstack/tools/worlddump.py -d /opt/stack/logs
2016-04-29 06:43:07.389 | 2016-04-29T06:43:07Z|00001|reconnect|WARN|unix:/var/run/openvswitch/db.sock: connection attempt failed (Permission denied)
2016-04-29 06:43:07.389 | ovs-vsctl: unix:/var/run/openvswitch/db.sock: database connection failed (Permission denied)
2016-04-29 06:43:08.760 | +./stack.sh:exit_trap:498 exit 2

and I notice a code snippet may cause ovs-vsctl issue.
"./tools/worlddump.py: process = subprocess.Popen(['ovs-vsctl', 'list-br'], stdout=subprocess.PIPE)"

it should be executed with "sudo "

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/311055

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/311055
Committed: https://git.openstack.org/cgit/openstack-dev/devstack/commit/?id=6ba17f7d014aa50643a8920ee092424051d78c08
Submitter: Jenkins
Branch: master

commit 6ba17f7d014aa50643a8920ee092424051d78c08
Author: yan.haifeng <email address hidden>
Date: Fri Apr 29 15:59:56 2016 +0800

    Fix ovs-vsctl executed in worlddump.py failed issue

    add sudo before ovs-vsctl command.

    Change-Id: I1a7dd9504da766beb452bd749e325931678de64e
    Closes-Bug: #1576560

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/mitaka
Review: https://review.openstack.org/321301

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/mitaka
Review: https://review.openstack.org/322358

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/322358
Committed: https://git.openstack.org/cgit/openstack-dev/devstack/commit/?id=0181c486f7e0126c4f46afd4dbc789b8fe096902
Submitter: Jenkins
Branch: stable/mitaka

commit 0181c486f7e0126c4f46afd4dbc789b8fe096902
Author: yan.haifeng <email address hidden>
Date: Fri Apr 29 15:59:56 2016 +0800

    Fix ovs-vsctl executed in worlddump.py failed issue

    add sudo before ovs-vsctl command.

    Change-Id: I1a7dd9504da766beb452bd749e325931678de64e
    Closes-Bug: #1576560
    (cherry picked from commit 6ba17f7d014aa50643a8920ee092424051d78c08)