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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"
"fmt"
"github.com/hashicorp/consul/api"
"os"
)
func (kvStruct *KeyValue) WriteKVsToConsul() error {
for key, value := range kvStruct.kv {
if os.Getenv("CONSUL_IP") == "" {
return errors.New("CONSUL_IP environment variable not set.")
}
err := requestPUT(os.Getenv("CONSUL_IP"), key, value)
if err != nil {
return err
}
fmt.Println("key:", key, "value", value)
}
fmt.Println("Wrote KVs to Consul")
return nil
}
func GetKVFromConsul(key string) (string, error) {
if os.Getenv("CONSUL_IP") == "" {
return "", errors.New("CONSUL_IP environment variable not set.")
}
resp, err := requestGET(os.Getenv("CONSUL_IP"), key)
return resp, err
}
func GetKVsFromConsul() ([]string, error) {
if os.Getenv("CONSUL_IP") == "" {
return []string{""}, errors.New("CONSUL_IP environment variable not set.")
}
resp, err := requestGETS(os.Getenv("CONSUL_IP"))
return resp, err
}
func requestPUT(url string, key string, value string) error {
config := api.DefaultConfig()
config.Address = url + ":8500"
client, err := api.NewClient(config)
if err != nil {
return err
}
kv := client.KV()
p := &api.KVPair{Key: key, Value: []byte(value)}
_, err = kv.Put(p, nil)
if err != nil {
return err
}
return nil
}
func requestGET(url string, key string) (string, error) {
config := api.DefaultConfig()
config.Address = url + ":8500"
client, err := api.NewClient(config)
kv := client.KV()
pair, _, err := kv.Get(key, nil)
if pair == nil {
return string("No value found for key."), err
}
return string(pair.Value), err
}
func requestGETS(url string) ([]string, error) {
config := api.DefaultConfig()
config.Address = url + ":8500"
client, err := api.NewClient(config)
kv := client.KV()
pairs, _, err := kv.List("", nil)
if len(pairs) == 0 {
return []string{"No keys found."}, err
}
var res []string
for _, keypair := range pairs {
res = append(res, keypair.Key)
}
return res, err
}
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