mirror of
https://github.com/rocky-linux/peridot.git
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107 lines
2.8 KiB
Go
107 lines
2.8 KiB
Go
// Copyright 2015 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 model
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import (
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"encoding/json"
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"fmt"
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"regexp"
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"time"
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)
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// Matcher describes a matches the value of a given label.
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type Matcher struct {
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Name LabelName `json:"name"`
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Value string `json:"value"`
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IsRegex bool `json:"isRegex"`
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}
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func (m *Matcher) UnmarshalJSON(b []byte) error {
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type plain Matcher
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if err := json.Unmarshal(b, (*plain)(m)); err != nil {
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return err
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}
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if len(m.Name) == 0 {
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return fmt.Errorf("label name in matcher must not be empty")
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}
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if m.IsRegex {
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if _, err := regexp.Compile(m.Value); err != nil {
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return err
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}
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}
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return nil
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}
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// Validate returns true iff all fields of the matcher have valid values.
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func (m *Matcher) Validate() error {
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if !m.Name.IsValid() {
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return fmt.Errorf("invalid name %q", m.Name)
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}
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if m.IsRegex {
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if _, err := regexp.Compile(m.Value); err != nil {
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return fmt.Errorf("invalid regular expression %q", m.Value)
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}
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} else if !LabelValue(m.Value).IsValid() || len(m.Value) == 0 {
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return fmt.Errorf("invalid value %q", m.Value)
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}
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return nil
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}
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// Silence defines the representation of a silence definition in the Prometheus
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// eco-system.
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type Silence struct {
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ID uint64 `json:"id,omitempty"`
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Matchers []*Matcher `json:"matchers"`
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StartsAt time.Time `json:"startsAt"`
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EndsAt time.Time `json:"endsAt"`
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CreatedAt time.Time `json:"createdAt,omitempty"`
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CreatedBy string `json:"createdBy"`
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Comment string `json:"comment,omitempty"`
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}
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// Validate returns true iff all fields of the silence have valid values.
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func (s *Silence) Validate() error {
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if len(s.Matchers) == 0 {
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return fmt.Errorf("at least one matcher required")
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}
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for _, m := range s.Matchers {
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if err := m.Validate(); err != nil {
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return fmt.Errorf("invalid matcher: %s", err)
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}
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}
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if s.StartsAt.IsZero() {
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return fmt.Errorf("start time missing")
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}
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if s.EndsAt.IsZero() {
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return fmt.Errorf("end time missing")
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}
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if s.EndsAt.Before(s.StartsAt) {
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return fmt.Errorf("start time must be before end time")
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}
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if s.CreatedBy == "" {
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return fmt.Errorf("creator information missing")
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}
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if s.Comment == "" {
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return fmt.Errorf("comment missing")
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}
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if s.CreatedAt.IsZero() {
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return fmt.Errorf("creation timestamp missing")
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}
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return nil
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}
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