[2.1.0] Checkmk Werk 16016 adapted: mk_postgres: addition of option to specify instance name

Werk 16016 was adapted. The following is the new Werk, a diff is shown at the end of the message. Title: mk_postgres: addition of option to specify instance name Class: fix Compatible: incomp Component: core Date: 1690981131 Edition: cre Knowledge: doc Level: 1 Version: 2.1.0p33 The migration of the postgres_instances check plugin to the new CheckAPI broke the discovery mechanism of the plugin as it previously allowed an instance to have no specified name. This werk introduces the option to specify an explicit name for an instance. The mk_postgres plugin is adjusted accordingly and raises an error if the name cannot be inferred from .env file. To benefit from this change and also resolve the error, the user should adjust or bake the config file again and roll out the newly adapted plugin. For manual adaptation, instance entries should be adapted to have the following format: <code> INSTANCE=&lt;instance env filepath&gt;:&lt;username&gt;:&lt;instance pgpass filepath&gt;:&lt;instance name (optional)&gt; </code> where ':' (colon) is the respective separator character. ------------------------------------<diff>------------------------------------------- Title: mk_postgres: addition of option to specify instance name Class: fix Compatible: incomp Component: core Date: 1690981131 Edition: cre Knowledge: doc Level: 1 Version: 2.1.0p33 The migration of the postgres_instances check plugin to the new CheckAPI broke the discovery mechanism of the plugin as it previously allowed an instance to have no specified name. This werk introduces the option to specify an explicit name for an instance. The mk_postgres plugin is adjusted accordingly and raises an error if the name cannot be inferred from .env file. To benefit from this change and also resolve the error, the user should adjust or bake the config file again and roll out the newly adapted plugin. For manual adaptation, instance entries should be adapted to have the following format: <code> - INSTANCE=<instance env filepath>:<username>:<instance pgpass filepath>:<instance name (optional)> ? ^ ^ ^ ^ ^ ^ ^ ^ + INSTANCE=&lt;instance env filepath&gt;:&lt;username&gt;:&lt;instance pgpass filepath&gt;:&lt;instance name (optional)&gt; ? ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ </code> where ':' (colon) is the respective separator character.