Checkmk Werk 15970: mk_oracle: Fix "Database or necessary processes not running or login failed" error due to race conditions

ID: 15970 Title: mk_oracle: Fix "Database or necessary processes not running or login failed" error due to race conditions Component: Checks & agents Level: 1 Class: Bug fix Version: 2.1.0p33 mk_oracle stores the query results for SYNC_SECTIONS in intermediate cache files per SID, which will be cleaned up afterwards. Currently, these files can be erroneously deleted before the agent plugin has finished if the agent plugin is started a second time, resulting in a "Database or necessary processes not running or login failed" error. This has been fixed by only deleting files created by the current process.