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2a259ef5e7
* vmalert: support rules backfilling (aka `replay`) vmalert can `replay` configured rules in the past and backfill results via remote write protocol. It supports MetricsQL/PromQL storage as data source, and can backfill data to remote write compatible storage. Supports recording and alerting rules `replay`. See more details in README. https://github.com/VictoriaMetrics/VictoriaMetrics/issues/836 * vmalert: review fixes * vmalert: readme fixes
29 lines
926 B
Go
29 lines
926 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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"time"
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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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// ID 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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Exec(ctx context.Context) ([]prompbmarshal.TimeSeries, error)
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// ExecRange executes the rule on the given time range
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ExecRange(ctx context.Context, start, end time.Time) ([]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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