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// Copyright 2018 Prometheus Team
// 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 cli
import (
"fmt"
"net/url"
"path"
"github.com/prometheus/alertmanager/pkg/parse"
"github.com/prometheus/alertmanager/types"
"github.com/prometheus/common/model"
"github.com/prometheus/prometheus/pkg/labels"
)
type ByAlphabetical []labels.Matcher
func (s ByAlphabetical) Len() int { return len(s) }
func (s ByAlphabetical) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s ByAlphabetical) Less(i, j int) bool {
if s[i].Name != s[j].Name {
return s[i].Name < s[j].Name
} else if s[i].Type != s[j].Type {
return s[i].Type < s[j].Type
} else if s[i].Value != s[j].Value {
return s[i].Value < s[j].Value
}
return false
}
func GetAlertmanagerURL(p string) url.URL {
amURL := *alertmanagerURL
amURL.Path = path.Join(alertmanagerURL.Path, p)
return amURL
}
// Parse a list of labels (cli arguments)
func parseMatchers(inputLabels []string) ([]labels.Matcher, error) {
matchers := make([]labels.Matcher, 0)
for _, v := range inputLabels {
name, value, matchType, err := parse.Input(v)
if err != nil {
return []labels.Matcher{}, err
}
matchers = append(matchers, labels.Matcher{
Type: matchType,
Name: name,
Value: value,
})
}
return matchers, nil
}
// Only valid for when you are going to add a silence
func TypeMatchers(matchers []labels.Matcher) (types.Matchers, error) {
typeMatchers := types.Matchers{}
for _, matcher := range matchers {
typeMatcher, err := TypeMatcher(matcher)
if err != nil {
return types.Matchers{}, err
}
typeMatchers = append(typeMatchers, &typeMatcher)
}
return typeMatchers, nil
}
// Only valid for when you are going to add a silence
// Doesn't allow negative operators
func TypeMatcher(matcher labels.Matcher) (types.Matcher, error) {
typeMatcher := types.NewMatcher(model.LabelName(matcher.Name), matcher.Value)
switch matcher.Type {
case labels.MatchEqual:
typeMatcher.IsRegex = false
case labels.MatchRegexp:
typeMatcher.IsRegex = true
default:
return types.Matcher{}, fmt.Errorf("invalid match type for creation operation: %s", matcher.Type)
}
return *typeMatcher, nil
}
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