A bash script using mongo client to create replica set and user privileges on $external database

kerberos-set-user-permissions.sh

mongo --quiet admin <<EOF
rs.initiate();
sleep(10000);
db.createUser({user: 'superuser', pwd: 'superuser', roles: ['root']});
db.auth('superuser', 'superuser');
use \$external;
db.createUser({user: '[email protected]', roles: [{ role: 'root', db: 'admin'}]});
db.createUser({user: '[email protected]', roles: [{ role: 'readWrite', db: 'social'}]});
EOF

# {
#   "info2": "no configuration specified. Using a default configuration for the set",
#   "me": "ip-172-31-10-102.us-west-2.compute.internal:27017",
#   "ok": 1
# }
# Successfully added user: {
#   "user": "superuser",
#   "roles": ["root"]
# }
# 1
# switched to db $external
# Successfully added user: {
#   "user": "[email protected]",
#   "roles": [{
#     "role": "root",
#     "db": "admin"
#   }]
# }
# Successfully added user: {
#   "user": "[email protected]",
#   "roles": [{
#     "role": "readWrite",
#     "db": "social"
#   }]
# }
# bye