/* * Copyright (C) 2017-2018 "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 xdsserver import ( "fmt" "io/ioutil" "os" "path/filepath" "strings" common "gerrit.automotivelinux.org/gerrit/src/xds/xds-common.git/golib" "gerrit.automotivelinux.org/gerrit/src/xds/xds-server/lib/xsapiv1" uuid "github.com/satori/go.uuid" ) // IFOLDER interface implementation for native/path mapping folders // PathMap . type PathMap struct { *Context fConfig xsapiv1.FolderConfig } // NewFolderPathMap Create a new instance of PathMap func NewFolderPathMap(ctx *Context) *PathMap { f := PathMap{ Context: ctx, fConfig: xsapiv1.FolderConfig{ Status: xsapiv1.StatusDisable, }, } return &f } // NewUID Get a UUID func (f *PathMap) NewUID(suffix string) string { uuid := uuid.NewV1().String() if len(suffix) > 0 { uuid += "_" + suffix } return uuid } // Add a new folder func (f *PathMap) Add(cfg xsapiv1.FolderConfig) (*xsapiv1.FolderConfig, error) { return f.Setup(cfg) } // Setup Setup local project config func (f *PathMap) Setup(cfg xsapiv1.FolderConfig) (*xsapiv1.FolderConfig, error) { if cfg.DataPathMap.ServerPath == "" { return nil, fmt.Errorf("ServerPath must be set") } // Use shareRootDir if ServerPath is a relative path dir := cfg.DataPathMap.ServerPath if !filepath.IsAbs(dir) { dir = filepath.Join(f.Config.FileConf.ShareRootDir, dir) } // Sanity check if !common.Exists(dir) { // try to create if not existing if err := os.MkdirAll(dir, 0755); err != nil { return nil, fmt.Errorf("Cannot create ServerPath directory: %s", dir) } } if !common.Exists(dir) { return nil, fmt.Errorf("ServerPath directory is not accessible: %s", dir) } f.fConfig = cfg f.fConfig.RootPath = dir f.fConfig.DataPathMap.ServerPath = dir f.fConfig.IsInSync = true // Verify file created by XDS agent when needed if cfg.DataPathMap.CheckFile != "" { errMsg := "ServerPath sanity check error (%d): %v" ckFile := f.ConvPathCli2Svr(cfg.DataPathMap.CheckFile) if !common.Exists(ckFile) { return nil, fmt.Errorf(errMsg, 1, "file not present") } if cfg.DataPathMap.CheckContent != "" { fd, err := os.OpenFile(ckFile, os.O_APPEND|os.O_RDWR, 0600) if err != nil { return nil, fmt.Errorf(errMsg, 2, err) } defer fd.Close() // Check specific message written by agent content, err := ioutil.ReadAll(fd) if err != nil { return nil, fmt.Errorf(errMsg, 3, err) } if string(content) != cfg.DataPathMap.CheckContent { return nil, fmt.Errorf(errMsg, 4, "file content differ") } // Write a specific message that will be check back on agent side msg := "Pathmap checked message written by xds-server ID: " + f.Config.ServerUID + "\n" if n, err := fd.WriteString(msg); n != len(msg) || err != nil { return nil, fmt.Errorf(errMsg, 5, err) } } } f.fConfig.Status = xsapiv1.StatusEnable return &f.fConfig, nil } // GetConfig Get public part of folder config func (f *PathMap) GetConfig() xsapiv1.FolderConfig { return f.fConfig } // GetFullPath returns the full path of a directory (from server POV) func (f *PathMap) GetFullPath(dir string) string { if &dir == nil { return f.fConfig.DataPathMap.ServerPath } return filepath.Join(f.fConfig.DataPathMap.ServerPath, dir) } // ConvPathCli2Svr Convert path from Client to Server func (f *PathMap) ConvPathCli2Svr(s string) string { if f.fConfig.ClientPath != "" && f.fConfig.DataPathMap.ServerPath != "" { return strings.Replace(s, f.fConfig.ClientPath, f.fConfig.DataPathMap.ServerPath, -1) } return s } // ConvPathSvr2Cli Convert path from Server to Client func (f *PathMap) ConvPathSvr2Cli(s string) string { if f.fConfig.ClientPath != "" && f.fConfig.DataPathMap.ServerPath != "" { return strings.Replace(s, f.fConfig.DataPathMap.ServerPath, f.fConfig.ClientPath, -1) } return s } // Remove a folder func (f *PathMap) Remove() error { // nothing to do return nil } // Update update some fields of a folder func (f *PathMap) Update(cfg xsapiv1.FolderConfig) (*xsapiv1.FolderConfig, error) { if f.fConfig.ID != cfg.ID { return nil, fmt.Errorf("Invalid id") } f.fConfig = cfg return &f.fConfig, nil } // Sync Force folder files synchronization func (f *PathMap) Sync() error { return nil } // IsInSync Check if folder files are in-sync func (f *PathMap) IsInSync() (bool, error) { return true, nil }