mirror of
https://github.com/prometheus/prometheus.git
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25f929b772
* Updated yaml vendor package. * remove checkOverflow duplicate in rulefmt * remove duplicated HTTPClientConfig.Validate() * Added yaml static check.
94 lines
2.6 KiB
Go
94 lines
2.6 KiB
Go
// Copyright 2013 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package targetgroup
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import (
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"bytes"
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"encoding/json"
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"github.com/prometheus/common/model"
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)
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// Group is a set of targets with a common label set(production , test, staging etc.).
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type Group struct {
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// Targets is a list of targets identified by a label set. Each target is
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// uniquely identifiable in the group by its address label.
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Targets []model.LabelSet
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// Labels is a set of labels that is common across all targets in the group.
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Labels model.LabelSet
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// Source is an identifier that describes a group of targets.
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Source string
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}
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func (tg Group) String() string {
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return tg.Source
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}
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// UnmarshalYAML implements the yaml.Unmarshaler interface.
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func (tg *Group) UnmarshalYAML(unmarshal func(interface{}) error) error {
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g := struct {
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Targets []string `yaml:"targets"`
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Labels model.LabelSet `yaml:"labels"`
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}{}
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if err := unmarshal(&g); err != nil {
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return err
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}
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tg.Targets = make([]model.LabelSet, 0, len(g.Targets))
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for _, t := range g.Targets {
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tg.Targets = append(tg.Targets, model.LabelSet{
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model.AddressLabel: model.LabelValue(t),
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})
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}
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tg.Labels = g.Labels
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return nil
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}
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// MarshalYAML implements the yaml.Marshaler interface.
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func (tg Group) MarshalYAML() (interface{}, error) {
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g := &struct {
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Targets []string `yaml:"targets"`
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Labels model.LabelSet `yaml:"labels,omitempty"`
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}{
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Targets: make([]string, 0, len(tg.Targets)),
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Labels: tg.Labels,
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}
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for _, t := range tg.Targets {
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g.Targets = append(g.Targets, string(t[model.AddressLabel]))
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}
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return g, nil
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}
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// UnmarshalJSON implements the json.Unmarshaler interface.
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func (tg *Group) UnmarshalJSON(b []byte) error {
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g := struct {
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Targets []string `json:"targets"`
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Labels model.LabelSet `json:"labels"`
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}{}
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dec := json.NewDecoder(bytes.NewReader(b))
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dec.DisallowUnknownFields()
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if err := dec.Decode(&g); err != nil {
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return err
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}
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tg.Targets = make([]model.LabelSet, 0, len(g.Targets))
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for _, t := range g.Targets {
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tg.Targets = append(tg.Targets, model.LabelSet{
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model.AddressLabel: model.LabelValue(t),
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})
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}
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tg.Labels = g.Labels
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return nil
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}
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