def make_process(app_dir):
my_root = FileNamespace()
caller_root = plash.env.get_root_dir()
proc = Process()
proc.cwd_path = "/"
for var in ["HOME"]:
if var in os.environ:
proc.env[var] = os.environ[var]
state = plash.pola_run_args.ProcessSetup(proc)
state.caller_root = caller_root
state.cwd = ns.resolve_dir(state.caller_root, os.getcwd())
state.handle_args(
["-fw", "/dev/null",
"-f", "/dev/urandom",
"-f", "/dev/random",
"-f", "/etc/localtime",
"--x11",
"--net"])
lib_dir_path = os.environ.get("PLASH_LIBRARY_DIR", "/usr/lib/plash/lib")
lib_dir = my_root.get_obj(lib_dir_path)
for dir_entry in lib_dir.dir_list():
leafname = dir_entry["name"]
file_obj = lib_dir.dir_traverse(leafname)
proc.get_namespace().attach_at_path(os.path.join("/lib", leafname),
file_obj)
root_dir = ns.make_cow_dir(my_root.get_obj(
os.path.join(app_dir, "write_layer")),
my_root.get_obj(
os.path.join(app_dir, "unpacked")))
proc.get_namespace().attach_at_path("/", root_dir)
return (proc, state)
def copy_cwd(self, args):
self.cwd = ns.resolve_dir(self.caller_root, os.getcwd())
def __init__(self):
self._root = plash.env.get_root_dir()
self._cwd = ns.resolve_dir(self._root, os.getcwd())
def set_cwd(self, dir_path):
self.cwd = ns.resolve_dir(self.caller_root, dir_path, cwd=self.cwd)
