149 lines
3.6 KiB
Go
149 lines
3.6 KiB
Go
/*
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* Copyright 2025 coze-dev Authors
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*
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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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*/
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package static
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import (
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"fmt"
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"sync"
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)
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const (
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defaultBase = "/deploy"
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)
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type Options struct {
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absRepoRoot string // yaml文件root前缀的绝对路径
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useJson bool // 需要bind json文件，不指定默认bind yaml
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groups []string
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}
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type OptFunc func(o *Options)
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// WithAbsRepoRoot 传入自定义指定读取绝对路径/xx下的config.<xx>.(yaml,json)，例如/opt/tiger/xxx
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func WithAbsRepoRoot(absRepoRoot string) OptFunc {
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return func(o *Options) {
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if len(absRepoRoot) > 0 {
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o.absRepoRoot = absRepoRoot
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}
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}
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}
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// WithUseJSONType 需要查找xx.json结尾的文
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func WithUseJSONType(useJson bool) OptFunc {
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return func(o *Options) {
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o.useJson = useJson
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}
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}
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func WithGroups(groups []string) OptFunc {
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return func(o *Options) {
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o.groups = groups
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}
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}
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func loadOpts(opts ...OptFunc) *Options {
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o := &Options{}
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for _, opt := range opts {
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opt(o)
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}
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return o
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}
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var configers sync.Map // key: abs path, value: configer
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// New 可传入local_config_dir指定读取自定义的绝对路径文件 `<local_config_dir>/config.<env>.<region>.<cluster>.yaml`
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func getOrCreateConf(opts ...OptFunc) (configer, error) {
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options := loadOpts(opts...)
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if options.absRepoRoot == "" {
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options.absRepoRoot = defaultBase
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}
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keyFn := func(dir string, withJSON bool) string {
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fileFmt := "yaml"
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if withJSON {
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fileFmt = "json"
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}
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return dir + "_" + fileFmt
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}
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dir := options.absRepoRoot
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withJSON := options.useJson
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key := keyFn(dir, withJSON)
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val, exist := configers.Load(key)
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if exist {
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if conf, ok := val.(configer); ok {
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return conf, nil
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}
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}
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var (
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cfg configer
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err error
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)
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if withJSON {
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cfg, err = NewConfJson(dir, options.groups)
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if err != nil {
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return nil, err
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}
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} else {
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cfg, err = NewConfYaml(dir, options.groups) // 默认使用yaml
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if err != nil {
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return nil, err
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}
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}
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configers.Store(key, cfg)
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return cfg, nil
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}
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// JSONBind 不传dir值，按默认路径，优先级读取/opt/tiger/flowdevops/confcenter/psm/p.s.m/config.<env>.<region>.<cluster>.json
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// 可使用WithAbsRepoRoot 传入自定义指定读取
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func JSONBind(structPtr interface{}, opts ...OptFunc) error {
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opts = append(opts, WithUseJSONType(true))
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conf, err := getOrCreateConf(opts...)
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if err != nil {
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return fmt.Errorf("find config failed: %w", err)
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}
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return bindAndValidate(structPtr, conf)
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}
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// YAMLBind 不传dir值，按默认路径，按优先级读取/opt/tiger/flowdevops/confcenter/psm/p.s.m/config.<env>.<region>.<cluster>.yaml
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// 可使用WithAbsRepoRoot 传入自定义指定读取
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func YAMLBind(structPtr interface{}, opts ...OptFunc) error {
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conf, err := getOrCreateConf(opts...)
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if err != nil {
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return fmt.Errorf("find config failed: %w", err)
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}
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return bindAndValidate(structPtr, conf)
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}
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type MarshalFunc func(data interface{}) ([]byte, error)
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type UnmarshalFunc func(data []byte, v interface{}) error
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type configer interface {
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GetBytes() []byte
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MarshalFunc() MarshalFunc
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UnmarshalFunc() UnmarshalFunc
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}
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func bindAndValidate(structPtr interface{}, cnf configer) error {
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return cnf.UnmarshalFunc()(cnf.GetBytes(), structPtr)
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}
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