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Original file line number | Diff line number | Diff line change |
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package deletion | ||
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import ( | ||
"github.com/grafana/loki/pkg/logproto" | ||
"github.com/grafana/loki/pkg/logql" | ||
"github.com/grafana/loki/pkg/logql/log" | ||
"github.com/grafana/loki/pkg/logql/syntax" | ||
) | ||
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func SetupPipeline(req logql.SelectLogParams, p log.Pipeline) (log.Pipeline, error) { | ||
if len(req.Deletes) == 0 { | ||
return p, nil | ||
} | ||
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filters, err := deleteFilters(req.Deletes) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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return log.NewFilteringPipeline(filters, p), nil | ||
} | ||
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func SetupExtractor(req logql.SelectSampleParams, se log.SampleExtractor) (log.SampleExtractor, error) { | ||
if len(req.Deletes) == 0 { | ||
return se, nil | ||
} | ||
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filters, err := deleteFilters(req.Deletes) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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return log.NewFilteringSampleExtractor(filters, se), nil | ||
} | ||
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func deleteFilters(deletes []*logproto.Delete) ([]log.PipelineFilter, error) { | ||
var filters []log.PipelineFilter | ||
for _, d := range deletes { | ||
expr, err := syntax.ParseLogSelector(d.Selector, true) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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pipeline, err := expr.Pipeline() | ||
if err != nil { | ||
return nil, err | ||
} | ||
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filters = append(filters, log.PipelineFilter{ | ||
Start: d.Start, | ||
End: d.End, | ||
Matchers: expr.Matchers(), | ||
Pipeline: pipeline, | ||
}) | ||
} | ||
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return filters, nil | ||
} |