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/*
* Copyright 2018 Intel Corporation, Inc
*
* 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 api
import (
"errors"
"github.com/magiconair/properties"
"io/ioutil"
"log"
"path"
"runtime"
"sync"
)
type KeyValuesInterface interface {
WriteKVsToConsul(string) error
ReadConfigs(POSTBodyStruct) error
PropertiesFilesToKV(string) error
ReadMultipleProperties(string) error
ReadProperty(string)
}
type KeyValuesStruct struct {
sync.RWMutex
kvs map[string]string
}
var KeyValues KeyValuesInterface
func (kvStruct *KeyValuesStruct) WriteKVsToConsul(prefix string) error {
for key, value := range kvStruct.kvs {
key = prefix + "." + key
err := Consul.RequestPUT(key, value)
if err != nil {
return err
}
log.Println("[INFO] Key: ", key, "| Value: ", value)
}
log.Println("[INFO] Wrote KVs to Consul.")
return nil
}
func (kvStruct *KeyValuesStruct) ReadConfigs(body POSTBodyStruct) error {
defer kvStruct.Unlock()
kvStruct.Lock()
err := kvStruct.PropertiesFilesToKV(body.Type.FilePath)
if err != nil {
return err
}
return nil
}
func (kvStruct *KeyValuesStruct) PropertiesFilesToKV(directory string) error {
if directory == "default" {
_, filename, _, ok := runtime.Caller(0)
if !ok {
return errors.New("No caller")
}
defaultDir := path.Dir(filename) + "/../configurations/"
err := kvStruct.ReadMultipleProperties(defaultDir)
if err != nil {
return err
}
return nil
} else {
directory += "/"
err := kvStruct.ReadMultipleProperties(directory)
if err != nil {
return err
}
return nil
}
}
func (kvStruct *KeyValuesStruct) ReadMultipleProperties(path string) error {
files, err := ioutil.ReadDir(path)
if err != nil {
return err
}
for _, f := range files {
kvStruct.ReadProperty(path + f.Name())
}
return nil
}
func (kvStruct *KeyValuesStruct) ReadProperty(path string) {
p := properties.MustLoadFile(path, properties.UTF8)
for _, key := range p.Keys() {
kvStruct.kvs[key] = p.MustGet(key)
}
}
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