Error: Error from DataBinding 'hiera' while looking up 'vswitch::ovs::package_ensure': (<unknown>):

Issue

• Undercloud installation fails with the following error:

2017-02-08 15:02:19,993 INFO: + puppet apply --detailed-exitcodes /etc/puppet/manifests/puppet-stack-config.pp
2017-02-08 15:02:19,993 INFO: + awk '{print strftime("%Y-%m-%d %H:%M:%S") " - "$0; fflush()}'
2017-02-08 15:02:25,848 INFO: 2017-02-08 15:02:25 - ESC[1;31mError: Error from DataBinding 'hiera' while looking up 'vswitch::ovs::package_ensure': (<unknown>): found character that cannot start any token while scanning for the next token at line 182 column 27 on node oss.mc2.example.frESC[0m
2017-02-08 15:02:25,849 INFO: 2017-02-08 15:02:25 - ESC[1;31mError: Error from DataBinding 'hiera' while looking up 'vswitch::ovs::package_ensure': (<unknown>): found character that cannot start any token while scanning for the next token at line 182 column 27 on node oss.mc2.example.frESC[0m
2017-02-08 15:02:25,881 INFO: + rc=1
2017-02-08 15:02:25,881 INFO: + set -e
2017-02-08 15:02:25,881 INFO: + echo 'puppet apply exited with exit code 1'
2017-02-08 15:02:25,882 INFO: puppet apply exited with exit code 1
2017-02-08 15:02:25,882 INFO: + '[' 1 '!=' 2 -a 1 '!=' 0 ']'
2017-02-08 15:02:25,882 INFO: + exit 1
2017-02-08 15:02:25,882 INFO: [2017-02-08 15:02:25,882] (os-refresh-config) [ERROR] during configure phase. [Command '['dib-run-parts', '/usr/libexec/os-refresh-config/configure.d']' returned non-zero exit status 1]
2017-02-08 15:02:25,882 INFO:
2017-02-08 15:02:25,882 INFO: [2017-02-08 15:02:25,882] (os-refresh-config) [ERROR] Aborting...