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-rw-r--r--lib/agent/project-pathmap.go123
1 files changed, 123 insertions, 0 deletions
diff --git a/lib/agent/project-pathmap.go b/lib/agent/project-pathmap.go
new file mode 100644
index 0000000..aacbd1f
--- /dev/null
+++ b/lib/agent/project-pathmap.go
@@ -0,0 +1,123 @@
+package agent
+
+import (
+ "fmt"
+ "io/ioutil"
+ "os"
+ "strings"
+
+ common "github.com/iotbzh/xds-common/golib"
+)
+
+// IPROJECT interface implementation for native/path mapping projects
+
+// PathMap .
+type PathMap struct {
+ *Context
+ server *XdsServer
+ folder *XdsFolderConfig
+}
+
+// NewProjectPathMap Create a new instance of PathMap
+func NewProjectPathMap(ctx *Context, svr *XdsServer) *PathMap {
+ p := PathMap{
+ Context: ctx,
+ server: svr,
+ folder: &XdsFolderConfig{},
+ }
+ return &p
+}
+
+// Add a new project
+func (p *PathMap) Add(cfg ProjectConfig) (*ProjectConfig, error) {
+ var err error
+ var file *os.File
+ errMsg := "ClientPath sanity check error (%d): %v"
+
+ // Sanity check to verify that we have RW permission and path-mapping is correct
+ dir := cfg.ClientPath
+ if !common.Exists(dir) {
+ // try to create if not existing
+ if err := os.MkdirAll(dir, 0755); err != nil {
+ return nil, fmt.Errorf("Cannot create ClientPath directory: %s", dir)
+ }
+ }
+ if !common.Exists(dir) {
+ return nil, fmt.Errorf("ClientPath directory is not accessible: %s", dir)
+ }
+ if file, err = ioutil.TempFile(dir, ".xds_pathmap_check"); err != nil {
+ return nil, fmt.Errorf(errMsg, 1, err)
+ }
+ // Write a specific message that will be check by server during folder add
+ msg := "Pathmap checked message written by xds-agent ID: " + p.Config.AgentUID + "\n"
+ if n, err := file.WriteString(msg); n != len(msg) || err != nil {
+ return nil, fmt.Errorf(errMsg, 2, err)
+ }
+ defer func() {
+ if file != nil {
+ os.Remove(file.Name())
+ file.Close()
+ }
+ }()
+
+ // Convert to Xds folder
+ fld := p.server.ProjectToFolder(cfg)
+ fld.DataPathMap.CheckFile = file.Name()
+ fld.DataPathMap.CheckContent = msg
+
+ // Send request to create folder on XDS server side
+ err = p.server.FolderAdd(fld, p.folder)
+ if err != nil {
+ return nil, fmt.Errorf("Folders mapping verification failure.\n%v", err)
+ }
+
+ // 2nd part of sanity checker
+ // check specific message added by XDS Server during folder add processing
+ content, err := ioutil.ReadFile(file.Name())
+ if err != nil {
+ return nil, fmt.Errorf(errMsg, 3, err)
+ }
+ if !strings.Contains(string(content),
+ "Pathmap checked message written by xds-server ID") {
+ return nil, fmt.Errorf(errMsg, 4, "file content differ")
+ }
+
+ return p.GetProject(), nil
+}
+
+// Delete a project
+func (p *PathMap) Delete() error {
+ return p.server.FolderDelete(p.folder.ID)
+}
+
+// GetProject Get public part of project config
+func (p *PathMap) GetProject() *ProjectConfig {
+ prj := p.server.FolderToProject(*p.folder)
+ prj.ServerID = p.server.ID
+ return &prj
+}
+
+// UpdateProject Set project config
+func (p *PathMap) UpdateProject(prj ProjectConfig) (*ProjectConfig, error) {
+ p.folder = p.server.ProjectToFolder(prj)
+ np := p.GetProject()
+ if err := p.events.Emit(EVTProjectChange, np); err != nil {
+ return np, err
+ }
+ return np, nil
+}
+
+// GetServer Get the XdsServer that holds this project
+func (p *PathMap) GetServer() *XdsServer {
+ return p.server
+}
+
+// Sync Force project files synchronization
+func (p *PathMap) Sync() error {
+ return nil
+}
+
+// IsInSync Check if project files are in-sync
+func (p *PathMap) IsInSync() (bool, error) {
+ return true, nil
+}