| line | l | !l&&r | !l&&!r | condition | 
 
| 48 | 0 | 0 | 0 | $ENV{'NOVA_URL'} or $ENV{'OS_AUTH_URL'} | 
 
| 50 | 0 | 0 | 0 | $ENV{'NOVA_USERNAME'} or $ENV{'OS_USERNAME'} | 
 
| 52 | 0 | 0 | 0 | $ENV{'NOVA_PASSWORD'} or $ENV{'NOVA_API_KEY'} | 
 
|  | 0 | 0 | 0 | $ENV{'NOVA_PASSWORD'} or $ENV{'NOVA_API_KEY'} or $ENV{'OS_PASSWORD'} | 
 
| 54 | 0 | 0 | 0 | $ENV{'NOVA_URL'} || $ENV{'OS_AUTH_URL'} | 
 
|  | 0 | 0 | 0 | $ENV{'NOVA_USERNAME'} || $ENV{'OS_USERNAME'} | 
 
|  | 0 | 0 | 0 | $ENV{'NOVA_PASSWORD'} || $ENV{'NOVA_API_KEY'} || $ENV{'OS_PASSWORD'} | 
 
|  | 0 | 0 | 0 | $ENV{'NOVA_PROJECT_ID'} || $ENV{'OS_TENANT_NAME'} | 
 
|  | 0 | 0 | 0 | $ENV{'NOVA_REGION_NAME'} || $ENV{'OS_AUTH_REGION'} |