mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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101 lines
2.7 KiB
Go
101 lines
2.7 KiB
Go
// Copyright 2016 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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// This package no longer handles safe yaml parsing. In order to
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// ensure correct yaml unmarshalling, use "yaml.UnmarshalStrict()".
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package config
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import (
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"encoding/json"
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"net/http"
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"path/filepath"
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)
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const secretToken = "<secret>"
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// Secret special type for storing secrets.
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type Secret string
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// MarshalSecretValue if set to true will expose Secret type
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// through the marshal interfaces. Useful for outside projects
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// that load and marshal the Prometheus config.
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var MarshalSecretValue bool = false
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// MarshalYAML implements the yaml.Marshaler interface for Secrets.
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func (s Secret) MarshalYAML() (interface{}, error) {
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if MarshalSecretValue {
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return string(s), nil
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}
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if s != "" {
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return secretToken, nil
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}
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return nil, nil
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}
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// UnmarshalYAML implements the yaml.Unmarshaler interface for Secrets.
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func (s *Secret) UnmarshalYAML(unmarshal func(interface{}) error) error {
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type plain Secret
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return unmarshal((*plain)(s))
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}
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// MarshalJSON implements the json.Marshaler interface for Secret.
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func (s Secret) MarshalJSON() ([]byte, error) {
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if MarshalSecretValue {
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return json.Marshal(string(s))
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}
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if len(s) == 0 {
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return json.Marshal("")
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}
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return json.Marshal(secretToken)
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}
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type Header map[string][]Secret
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func (h *Header) HTTPHeader() http.Header {
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if h == nil || *h == nil {
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return nil
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}
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header := make(http.Header)
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for name, values := range *h {
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var s []string
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if values != nil {
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s = make([]string, 0, len(values))
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for _, value := range values {
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s = append(s, string(value))
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}
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}
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header[name] = s
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}
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return header
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}
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// DirectorySetter is a config type that contains file paths that may
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// be relative to the file containing the config.
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type DirectorySetter interface {
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// SetDirectory joins any relative file paths with dir.
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// Any paths that are empty or absolute remain unchanged.
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SetDirectory(dir string)
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}
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// JoinDir joins dir and path if path is relative.
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// If path is empty or absolute, it is returned unchanged.
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func JoinDir(dir, path string) string {
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if path == "" || filepath.IsAbs(path) {
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return path
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}
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return filepath.Join(dir, path)
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}
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