Incorrect Premission for saslconf file when upgrading from 1654->1711-> 180r-36 (failed)

Upgrade was not setting permissions correctly on saslconf file
error_info
{exit,badmatch,{error,eacces,
[

{ns_config_isasl_sync,writeSASLConf,6}

,

{ns_config_isasl_sync,init,1}

,

{gen_server,init_it,6},
{proc_lib,init_p_do_apply,3}]},
[{gen_server,init_it,6}

,

{proc_lib,init_p_do_apply,3}

]}

SOLUTION (debugged the issue with Steve) :-

chown -R couchbase:couchbase /opt/membase/var/lib/membase/data

ERROR LOG

INSTALL_UPGRADE_CONFIG_DIR=/opt/membase/var/lib/membase/config dpkg -i /tmp/couchbase-server-enterprise_x86_64_1.8.0r-36-gfda5241.deb
(Reading database ... 51433 files and directories currently installed.)
Preparing to replace couchbase-server 1.8.0r (using .../couchbase-server-enterprise_x86_64_1.8.0r-36-gfda5241.deb) ...

• Stopped couchbase-server
  Upgrading previous couchbase ... (1.8.0r)
  Stopping previous couchbase ... (1.8.0r)
• Stopped couchbase-server
  Saving previous couchbase config.dat ...
  Cleaning symlinks ...
  Unpacking replacement couchbase-server ...
  Setting up couchbase-server (1.8.0r) ...
  Upgrading couchbase-server ...
  /opt/couchbase/bin/cbupgrade -c /opt/membase/var/lib/membase/config -a yes
  Automatic mode: running without interactive questions or confirmations.
  Upgrading your Couchbase Server to 1.8.0r-36-gfda5241.
  The upgrade process might take awhile.
  Analysing...
  Previous config.dat file is /opt/membase/var/lib/membase/config/config.dat.debsave
  Target node: ns_1@10.211.147.159

Membase/Couchbase should not be running.
Please use: /etc/init.d/couchbase-server stop
or: /etc/init.d/membase-server stop

Database dir: /var/opt/membase/1.6.5.4/data/ns_1

Buckets to upgrade: default

Checking disk space available for buckets in directory:
/var/opt/membase/1.6.5.4/data/ns_1
Free disk bucket space wanted: 254169088.0
Free disk bucket space available: 1677099008
Free disk space factor: 2.0
Ok.

Analysis complete.

Copying /opt/membase/var/lib/membase/config/config.dat.debsave
cp /opt/membase/var/lib/membase/config/config.dat.debsave /opt/couchbase/var/lib/couchbase/config/config.dat
Copying /opt/membase/var/lib/membase/ip.debsave
cp /opt/membase/var/lib/membase/ip.debsave /opt/couchbase/var/lib/couchbase/ip
Ensuring bucket data directories.
Ensuring bucket data directory: /var/opt/membase/1.6.5.4/data/ns_1/default-data
mkdir -p /var/opt/membase/1.6.5.4/data/ns_1/default-data
Ensuring dbdir owner/group: /var/opt/membase/1.6.5.4/data/ns_1
chown -R couchbase:couchbase /var/opt/membase/1.6.5.4/data/ns_1
Upgrading buckets.
Skipping already converted bucket: /var/opt/membase/1.6.5.4/data/ns_1/default-data

Done.

• Failed to start couchbase-server
  dpkg: error processing couchbase-server (--install):
  subprocess installed post-installation script returned error exit status 1
  Processing triggers for ureadahead ...
  Errors were encountered while processing:
  couchbase-server