Describe the bug

If partition tag set empty string, the message returned should be

  reason: "Invalid partition tag:  Partition tag should not be empty."

Search failed:
status {
  error_code: ILLEGAL_ARGUMENT
  reason: "Invalid partition tag: . Partition tag should not be empty."
}

Steps/Code to reproduce behavior

Expected behavior

**Env

Describe the bug

/usr/share/icinga2/include/command-plugins.conf provides the http CheckCommand. Since version 2.3.0 there is a new option in check_http which allows for checking the correctness of a certificate and hostname match: --verify-host. Please add this to the built in template library.

https://icinga.com/docs/icinga2/latest/doc/10-icinga-template-library/

$ /usr/

Since #3358 and #3407 systemd-journal() source supports Journald namespaces.

Since the source stores the journald cursor under different persist-keys (based on the configured namespace() option), it allows multiple concurrent sources.

However, we still have a limitation, that only 1 systemd-journald() source can be used in the config.
(See the the journal_reader_initialized global va

I would like to be able to search multiple indices. I suggest the search function is extended so that the index parameter can be an array.