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2eb8ef7b2b
* changes vmalert Querier with per rule querier it allows to changes some parametrs based on rule setting for instance - alert type, tenant for cluster version or event endpoint url.
29 lines
885 B
Go
29 lines
885 B
Go
package main
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import (
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"context"
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"errors"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
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)
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// Rule represents alerting or recording rule
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// that has unique ID, can be Executed and
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// updated with other Rule.
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type Rule interface {
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// Returns unique ID that may be used for
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// identifying this Rule among others.
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ID() uint64
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// Exec executes the rule with given context
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// and Querier. If returnSeries is true, Exec
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// may return TimeSeries as result of execution
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Exec(ctx context.Context, returnSeries bool) ([]prompbmarshal.TimeSeries, error)
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// UpdateWith performs modification of current Rule
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// with fields of the given Rule.
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UpdateWith(Rule) error
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// Close performs the shutdown procedures for rule
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// such as metrics unregister
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Close()
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}
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var errDuplicate = errors.New("result contains metrics with the same labelset after applying rule labels")
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