fix(mssql): Fix sqlcmd credential override (#930)

Author: rthorn-nr

recipes/newrelic/infrastructure/ohi/sql/ms-sql.yml

@@ -265,12 +265,12 @@ install:
             if (Test-Path $NriSqlFile) { Remove-Item $NriSqlFile }
             Add-Content -Path $NriSqlFile -Value $SQL -Force 2>&1
              # Try with env if passed in
-            if ($NR_SQL_USERNAME -and $NR_SQL_PASSWORD) {
+            if ($NEW_RELIC_MSSQL_SQL_USERNAME -and $NEW_RELIC_MSSQL_SQL_PASSWORD) {
                Write-Host "sqlcmd with credentials"
-               $SqlOutput=(sqlcmd -U $NR_SQL_USERNAME -P $NR_SQL_PASSWORD -S $connection -i $NriSqlFile 2>&1)
+               $SqlOutput=(sqlcmd -U $NEW_RELIC_MSSQL_SQL_USERNAME -P $NEW_RELIC_MSSQL_SQL_PASSWORD -S $connection -i $NriSqlFile 2>&1)
             }
             # Env failed or blank, try with default
-            if ([string]::IsNullOrWhiteSpace($NR_SQL_USERNAME) -or ($SqlOutput.Length -lt 3)){
+            if ([string]::IsNullOrWhiteSpace($NEW_RELIC_MSSQL_SQL_USERNAME) -or ($SqlOutput.Length -lt 3)){
                Write-Host "sqlcmd with no credentials"
                $SqlOutput=(sqlcmd -S $connection -i $NriSqlFile 2>&1)
             }