mirror of https://github.com/prometheus/prometheus
43 lines
1.7 KiB
Go
43 lines
1.7 KiB
Go
// Copyright 2013 The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package rules
|
|
|
|
import (
|
|
"html/template"
|
|
|
|
clientmodel "github.com/prometheus/client_golang/model"
|
|
|
|
"github.com/prometheus/prometheus/rules/ast"
|
|
"github.com/prometheus/prometheus/storage/local"
|
|
)
|
|
|
|
// A Rule encapsulates a vector expression which is evaluated at a specified
|
|
// interval and acted upon (currently either recorded or used for alerting).
|
|
type Rule interface {
|
|
// Name returns the name of the rule.
|
|
Name() string
|
|
// EvalRaw evaluates the rule's vector expression without triggering any
|
|
// other actions, like recording or alerting.
|
|
EvalRaw(timestamp clientmodel.Timestamp, storage local.Storage) (ast.Vector, error)
|
|
// Eval evaluates the rule, including any associated recording or alerting actions.
|
|
Eval(timestamp clientmodel.Timestamp, storage local.Storage) (ast.Vector, error)
|
|
// ToDotGraph returns a Graphviz dot graph of the rule.
|
|
ToDotGraph() string
|
|
// String returns a human-readable string representation of the rule.
|
|
String() string
|
|
// HTMLSnippet returns a human-readable string representation of the rule,
|
|
// decorated with HTML elements for use the web frontend.
|
|
HTMLSnippet() template.HTML
|
|
}
|