Werk #15641: Prometheus: Properly Encode PromQL Queries
| Component | Checks & agents | ||||
| Title | Prometheus: Properly Encode PromQL Queries | ||||
| Date | Sep 10, 2023 | ||||
| Level | Trivial Change | ||||
| Class | Bug Fix | ||||
| Compatibility | Compatible - no manual interaction needed | ||||
| Checkmk versions & editions |
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The Prometheus agent allows specifying PromQL queries via the option Service creation using PromQL queries. In 2.2.0, any query containing a '+' would not be encoded properly. For example, the query
up{container=".+"}
would result in a HTTP request, which is interpreted by Prometheus as
up{container=". "}