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/*
* Copyright (C) 2017 "IoT.bzh"
* Author Sebastien Douheret <sebastien@iot.bzh>
*
* 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 main
import (
"encoding/json"
"fmt"
"strconv"
"github.com/franciscocpg/reflectme"
"github.com/iotbzh/xds-agent/lib/xaapiv1"
"github.com/urfave/cli"
)
var cacheXdsVersion *xaapiv1.XDSVersion
var cacheData = xaapiv1.XDSVersion{}
// XdsVersionGet Get version of XDS agent & server
func XdsVersionGet(ver *xaapiv1.XDSVersion) error {
// Update cached data
if cacheXdsVersion == nil {
if err := HTTPCli.Get("/version", &cacheData); err != nil {
return err
}
}
reflectme.Copy(&cacheData, ver)
return nil
}
// XdsConfigGet Get current XDS Agent config
func XdsConfigGet(cfg *xaapiv1.APIConfig) error {
return HTTPCli.Get("/config", cfg)
}
// XdsConfigSet Set XDS Agent config
func XdsConfigSet(cfg xaapiv1.APIConfig) error {
// clear cache
cacheXdsVersion = nil
newCfg := xaapiv1.APIConfig{}
if err := HTTPCli.Post("/config", cfg, &newCfg); err != nil {
return err
}
idx := XdsServerIndexGet()
if !newCfg.Servers[idx].Connected {
return fmt.Errorf("XDS server %s still not connected", cfg.Servers[idx].URL)
}
return nil
}
// XdsServerIDGet returns the XDS Server ID
func XdsServerIDGet() string {
ver := xaapiv1.XDSVersion{}
if err := XdsVersionGet(&ver); err != nil {
return ""
}
if len(ver.Server) < 1 {
return ""
}
return ver.Server[XdsServerIndexGet()].ID
}
// XdsServerIndexGet returns the index number of XDS Server
func XdsServerIndexGet() int {
// FIXME support multiple server
return 0
}
// XdsServerComputeURL computes the URL used to access to XDS Server API
func XdsServerComputeURL(endURL string) string {
return "servers/" + strconv.Itoa(XdsServerIndexGet()) + endURL
}
// ProjectsListGet Get the list of existing projects
func ProjectsListGet(prjs *[]xaapiv1.ProjectConfig) error {
var data []byte
if err := HTTPCli.HTTPGet("/projects", &data); err != nil {
return err
}
Log.Debugf("Result of /projects: %v", string(data[:]))
return json.Unmarshal(data, &prjs)
}
// LogPost Helper to log a POST request
func LogPost(format string, data interface{}) {
b, _ := json.Marshal(data)
Log.Infof(format, string(b))
}
// GetID Return a string ID set with --id option or as simple parameter
func GetID(ctx *cli.Context) string {
id := ctx.String("id")
idArgs := ctx.Args().First()
if id == "" && idArgs != "" {
id = idArgs
}
return id
}
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