No. That test case demonstrates that it is the label *values* that are downcased, not the label names, exactly as you said.
On Thursday 18 April 2024 at 13:07:51 UTC+1 Vaibhav Ingulkar wrote: > Thanks @Brian Candler > > Actually not possible fixing the data at source due to multiple > variations in diff aws services and huge data modification. So looking to > make it dynamically by capturing labels starting with "*tag_*". > > As mentioned here > https://github.com/prometheus/prometheus/blob/v2.45.4/model/relabel/relabel_test.go#L461-L482 > can > you please give me one example of config to achieve it dynamically for all > labels starting with "*tag_*" > > It will be great help if that works for me. :) > > > On Thursday, April 18, 2024 at 4:46:15 PM UTC+5:30 Brian Candler wrote: > >> You mean you're seeing tag_owner, tag_Owner, tag_OWNER from different >> instances? Because the tags weren't entered consistently? >> >> I don't see a lowercasing version of the "labelmap" action. So I think >> you're back to either: >> >> 1. fixing the data at source (e.g. using the EC2 API to read the tags and >> reset them to the desired values; and then make policies and procedures so >> that new instances have consistent tag names); or >> 2. proxying / modifying the exporter >> >> > I think lower/upper action in relabeling works to make "*values*" of >> labels to lower/upper >> >> I believe so. The way I interpret it, "lowercase" action is the same as >> "replace", but the concatenated values from source_labels are lowercased >> first. Hence the fixed target_label that you specify will get the >> lowercased value, after any regex matching/capturing. >> >> The test case here agrees: >> >> https://github.com/prometheus/prometheus/blob/v2.45.4/model/relabel/relabel_test.go#L461-L482 >> >> On Thursday 18 April 2024 at 11:47:16 UTC+1 Vaibhav Ingulkar wrote: >> >>> Additionally , I have prepare below config under metric_relable_configs >>> - action: labelmap >>> regex: 'tag_(.*)' >>> replacement: $1 >>> >>> It is giving one me new set of all label starting with word '*tag_*' as >>> added in regex but not converting them to lowercase and removing "*tag_*" >>> from label name, for ex. *tag_Name* is converted only "N*ame*" >>> Also existing label *tag_Name* is also remaining as it is .i.e. old >>> label *tag_Name* and new label *Name* >>> >>> So Firstly I want that "*tag_"* should remain as it it in new label and >>> it should get converted to lower case i.e. for ex. *tag_Budget_Code* to >>> *tag_budget_code* or *tag_Name* to *tag_name* >>> Secondly need to remove old label for ex. *tag_Budget_Code* , *tag_Name* , >>> etc >>> >>> On Thursday, April 18, 2024 at 3:46:57 PM UTC+5:30 Vaibhav Ingulkar >>> wrote: >>> >>>> Thanks @Brian Kochie >>>> >>>> Correct me if I am wrong but I think lower/upper action in relabeling >>>> works to make "*values*" of labels to lower/upper and not "*keys*" *i.e. >>>> label name itself wont get convert to lowercase*. Right? >>>> >>>> Because I an using *v2.41.0 *and have tried it and it is converting >>>> all values of labels to lowercase. >>>> >>>> Here my requirement is to convert labels i.e. keys to lowercase for ex. >>>> *tag_Budget_Code* to *tag_budget_code* or *tag_Name* to *tag_name* >>>> >>>> On Thursday, April 18, 2024 at 2:26:10 PM UTC+5:30 Brian Candler wrote: >>>> >>>>> On Thursday 18 April 2024 at 09:42:41 UTC+1 Ben Kochie wrote: >>>>> >>>>> Prometheus can lower/upper in relabeling. >>>>> >>>>> >>>>> Thanks! That was added in v2.36.0 >>>>> <https://github.com/prometheus/prometheus/releases/v2.36.0>, and I >>>>> missed it. >>>>> >>>> -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/c5a33b4a-b27c-447d-bc6a-3b14a5fb2e12n%40googlegroups.com.
