Contrail web-ui doesn't work if any tenant in keystone is disabled

[Nachi Ueno]

If we disable keystone tenant, contrail-webui stop working.

 log fragment:
2015-09-01T07:16:00.531Z - error: URL [http://172.26.10.214:5000/v2.0/tokens] returned error [{"error":{"message":"The request you have made requires authentication.","code":401,"title":"Unauthorized"}}]
2015-09-01T07:16:00.532Z - error: authPostV2Req() error:REST Server Error: { error:
   { message: 'The request you have made requires authentication.',
     code: 401,
     title: 'Unauthorized' } }
TypeError: Failed to parse JSON body: Cannot read property 'tokenObj' of null
    at /usr/src/contrail/contrail-web-core/src/serverroot/orchestration/plugins/openstack/keystone.api.js:922:38
    at _asyncMap (/usr/lib64/node_modules/async/lib/async.js:254:17)
    at done (/usr/lib64/node_modules/async/lib/async.js:135:19)
    at _toString (/usr/lib64/node_modules/async/lib/async.js:32:16)
    at _asyncMap (/usr/lib64/node_modules/async/lib/async.js:251:21)
    at /usr/src/contrail/contrail-web-core/src/serverroot/orchestration/plugins/openstack/keystone.api.js:888:13
    at /usr/src/contrail/contrail-web-core/src/serverroot/orchestration/plugins/openstack/keystone.api.js:665:17
    at /usr/src/contrail/contrail-web-core/src/serverroot/orchestration/plugins/openstack/keystone.api.js:307:13
    at /usr/src/contrail/contrail-web-core/src/serverroot/orchestration/plugins/openstack/keystone.api.js:116:9
    at /usr/src/contrail/contrail-web-core/src/serverroot/orchestration/plugins/openstack/keystone.api.js:98:9
2015-09-01T07:16:00.620Z - error: URL [http://172.26.10.214:5000/v2.0/tokens] returned error [{}]
2015-09-01T07:16:00.620Z - error: authPostV2Req() error:REST Server Error: [TypeError: Failed to parse JSON body: Cannot read property 'tokenObj' of null]

/usr/lib64/node_modules/async/lib/async.js:30
            if (called) throw new Error("Callback was already called.");
                              ^
Error: Callback was already called.
    at _toString (/usr/lib64/node_modules/async/lib/async.js:30:31)
    at _asyncMap (/usr/lib64/node_modules/async/lib/async.js:251:21)
    at /usr/src/contrail/contrail-web-core/src/serverroot/orchestration/plugins/openstack/keystone.api.js:890:13
    at /usr/src/contrail/contrail-web-core/src/serverroot/orchestration/plugins/openstack/keystone.api.js:667:17
    at getAuthData (/usr/src/contrail/contrail-web-core/src/serverroot/orchestration/plugins/openstack/keystone.api.js:302:9)
    at /usr/src/contrail/contrail-web-core/src/serverroot/orchestration/plugins/openstack/keystone.api.js:310:13
    at /usr/src/contrail/contrail-web-core/src/serverroot/orchestration/plugins/openstack/keystone.api.js:116:9
    at /usr/src/contrail/contrail-web-core/src/serverroot/orchestration/plugins/openstack/keystone.api.js:98:9
    at APIServer.retryMakeCall (/usr/src/contrail/contrail-web-core/src/serverroot/common/rest.api.js:177:5)
    at Request.APIServer.makeCall (/usr/src/contrail/contrail-web-core/src/serverroot/common/rest.api.js:285:18)
First it happened with demo tenant, but I've verified that creating new tenant and disabling it also causes the same problem.

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/13502
Submitter: Biswajit Mandal (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/13502
Committed: http://github.org/Juniper/contrail-web-core/commit/db0e9621c6c9c7f88aed38d5d8c9cb2d0089663f
Submitter: Zuul
Branch: master

commit db0e9621c6c9c7f88aed38d5d8c9cb2d0089663f
Author: Biswajit Mandal <email address hidden>
Date: Wed Sep 2 10:04:45 2015 +0530

Closes-Bug: #1491217
If a tenant is disabled and getting tokens API to keystones throws error,
so handled the null case before accessing variable.

Change-Id: I03021444f9ed36135bd85b0129bbb3e4e0c5a86f

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/13578
Submitter: Biswajit Mandal (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/13580
Submitter: Biswajit Mandal (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/13578
Committed: http://github.org/Juniper/contrail-web-core/commit/40e64465c400994ac0ff0fb721bff010b8f4405e
Submitter: Zuul
Branch: R2.20

commit 40e64465c400994ac0ff0fb721bff010b8f4405e
Author: Biswajit Mandal <email address hidden>
Date: Wed Sep 2 10:04:45 2015 +0530

Closes-Bug: #1491217
If a tenant is disabled and getting tokens API to keystones throws error,
so handled the null case before accessing variable.

Change-Id: I03021444f9ed36135bd85b0129bbb3e4e0c5a86f
(cherry picked from commit db0e9621c6c9c7f88aed38d5d8c9cb2d0089663f)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/13580
Committed: http://github.org/Juniper/contrail-web-core/commit/9c9ef0b7aab1b51f742654dd38314c460bca9c1d
Submitter: Zuul
Branch: R2.0

commit 9c9ef0b7aab1b51f742654dd38314c460bca9c1d
Author: Biswajit Mandal <email address hidden>
Date: Wed Sep 2 10:04:45 2015 +0530

Closes-Bug: #1491217
If a tenant is disabled and getting tokens API to keystones throws error,
so handled the null case before accessing variable.

Conflicts:
 src/serverroot/orchestration/plugins/openstack/keystone.api.js

Change-Id: I03021444f9ed36135bd85b0129bbb3e4e0c5a86f
(cherry picked from commit db0e9621c6c9c7f88aed38d5d8c9cb2d0089663f)