Add XDS_SERVER_WORKSPACE_DIR env var supportflounder_5.99.2flounder/5.99.25.99.2

By default xds-server uses $HOME/xds-workspace directory to access to
user shared workspace directory. This root directory may be
changed by defining XDS_SERVER_WORKSPACE_DIR environment variable.

Change-Id: Ib786ba9a954b0b093216295d37236a80f78f2f2c
Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>

1 files changed, 16 insertions, 0 deletions

diff --git a/lib/xdsconfig/config.go b/lib/xdsconfig/config.go
index ca5b5cb..4ba97ef 100644
--- a/lib/xdsconfig/config.go
+++ b/lib/xdsconfig/config.go
@@ -174,3 +174,19 @@ func ConfigRootDir() string {
 
 	return path.Join(root, "/.xds/server")
 }
+
+// WorkspaceRootDir return the path on server side where user xds-workspace dir is accessible
+func WorkspaceRootDir() string {
+	// May be overloaded by an env variable
+	if envVar, envDef := os.LookupEnv("XDS_SERVER_WORKSPACE_DIR"); envDef {
+		return envVar
+	}
+
+	home := "${HOME}"
+	if usr, err := user.Current(); err == nil {
+		home = usr.HomeDir
+	}
+
+	// Default value $HOME/xds-workspace
+	return path.Join(home, "xds-workspace")
+}