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Description of problem: Due to some change forced by the switch to newer keystone version (see https://review.openstack.org/#/c/485521/), the trust mechanism in Sahara uses the configuration values from the section [keystone_authtoken] (this may change in the future). Two of the values that are needed by Sahara (user_domain_name and project_domain_name) are not filled (even with default values) by default by puppet-sahara. sahara-engine tries to read them when starting to create a cluster (two KeyError exceptions visible in sahara-engine.log). A simple fix is change the function which retrieves those values to accept a default value (which is easier than changing all systems which writes sahara.conf). A fix was proposed upstream but it's not yet in stable/pike; this is to ensure that it will be imported. Version-Release number of selected component (if applicable): openstack-sahara-common-7.0.0-0.20170821133416.c07f479.el7ost.noarch python-saharaclient-1.3.0-0.20170821151147.4275d17.el7ost.noarch python-sahara-7.0.0-0.20170821133416.c07f479.el7ost.noarch openstack-sahara-engine-7.0.0-0.20170821133416.c07f479.el7ost.noarch Additional info:
Fix merged in master, backport for pike proposed.
Stable Pike merged, moving to POST to move this forward.
The patch landed in a format that could be tested (and it's not going away from that branch). It is now possible to spawn clusters. Tested with a containerized deployment (Spark and CDH 5.7): openstack-sahara-api-7.0.1-0.20170912230210.bdc7d83.el7ost.noarch openstack-sahara-engine-7.0.1-0.20170912230210.bdc7d83.el7ost.noarch python-saharaclient-1.3.0-0.20170821151147.4275d17.el7ost.noarch openstack-sahara-common-7.0.1-0.20170912230210.bdc7d83.el7ost.noarch python-sahara-7.0.1-0.20170912230210.bdc7d83.el7ost.noarch
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2017:3462