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Add constrained labels and Constrained variant for all MetricVecs #1151

Merged
merged 2 commits into from
Dec 13, 2022
Merged

Add constrained labels and Constrained variant for all MetricVecs #1151

merged 2 commits into from
Dec 13, 2022

Commits on Dec 13, 2022

  1. Introduce MetricVecOpts and add constraints to VariableLabels 

    MetricVecOpts exposes options specific to MetricVec initialisation. The
first option exposed by MetricVecOpts are constraints on VariableLabels,
allowing restrictions on the possible values a label can take, to
prevent cardinality explosion when the label value comes from a
non-trusted source (as a user input or HTTP header).

Signed-off-by: Quentin Devos <4972091+Okhoshi@users.noreply.github.com>
    @Okhoshi
    Okhoshi committed Dec 13, 2022
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  2. Add tests 

    Signed-off-by: Quentin Devos <4972091+Okhoshi@users.noreply.github.com>
    @Okhoshi
    Okhoshi committed Dec 13, 2022
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