# Provides updates for Klipper and Moonraker # # Copyright (C) 2020 Eric Callahan # # This file may be distributed under the terms of the GNU GPLv3 license. from __future__ import annotations import asyncio import os import pathlib import logging import json import sys import shutil import zipfile import time import tempfile from tornado.ioloop import PeriodicCallback from tornado.httpclient import AsyncHTTPClient from .base_deploy import BaseDeploy from .app_deploy import AppDeploy from .git_deploy import GitDeploy from .zip_deploy import ZipDeploy # Annotation imports from typing import ( TYPE_CHECKING, Any, Optional, Tuple, Type, Union, Dict, List, ) if TYPE_CHECKING: from tornado.httpclient import HTTPResponse from moonraker import Server from confighelper import ConfigHelper from websockets import WebRequest from components import klippy_apis from components import shell_command from components import database APIComp = klippy_apis.KlippyAPI SCMDComp = shell_command.ShellCommandFactory DBComp = database.MoonrakerDatabase JsonType = Union[List[Any], Dict[str, Any]] MOONRAKER_PATH = os.path.normpath(os.path.join( os.path.dirname(__file__), "../../..")) SUPPLEMENTAL_CFG_PATH = os.path.join( os.path.dirname(__file__), "update_manager.conf") KLIPPER_DEFAULT_PATH = os.path.expanduser("~/klipper") KLIPPER_DEFAULT_EXEC = os.path.expanduser("~/klippy-env/bin/python") # Check To see if Updates are necessary each hour UPDATE_REFRESH_INTERVAL_MS = 3600000 # Perform auto refresh no sooner than 12 hours apart MIN_REFRESH_TIME = 43200 # Perform auto refresh no later than 4am MAX_PKG_UPDATE_HOUR = 4 def get_deploy_class(app_path: str) -> Type: if AppDeploy._is_git_repo(app_path): return GitDeploy else: return ZipDeploy class UpdateManager: def __init__(self, config: ConfigHelper) -> None: self.server = config.get_server() self.event_loop = self.server.get_event_loop() self.app_config = config.read_supplemental_config( SUPPLEMENTAL_CFG_PATH) auto_refresh_enabled = config.getboolean('enable_auto_refresh', False) self.channel = config.get('channel', "dev") if self.channel not in ["dev", "beta"]: raise config.error( f"Unsupported channel '{self.channel}' in section" " [update_manager]") self.cmd_helper = CommandHelper(config) self.updaters: Dict[str, BaseDeploy] = {} if config.getboolean('enable_system_updates', True): self.updaters['system'] = PackageDeploy(config, self.cmd_helper) if ( os.path.exists(KLIPPER_DEFAULT_PATH) and os.path.exists(KLIPPER_DEFAULT_EXEC) ): self.updaters['klipper'] = get_deploy_class(KLIPPER_DEFAULT_PATH)( self.app_config[f"update_manager klipper"], self.cmd_helper, { 'channel': self.channel, 'path': KLIPPER_DEFAULT_PATH, 'executable': KLIPPER_DEFAULT_EXEC }) else: self.updaters['klipper'] = BaseDeploy( self.app_config[f"update_manager klipper"], self.cmd_helper) self.updaters['moonraker'] = get_deploy_class(MOONRAKER_PATH)( self.app_config[f"update_manager moonraker"], self.cmd_helper, { 'channel': self.channel, 'path': MOONRAKER_PATH, 'executable': sys.executable }) # TODO: The below check may be removed when invalid config options # raise a config error. if ( config.get("client_repo", None) is not None or config.get('client_path', None) is not None ): raise config.error( "The deprecated 'client_repo' and 'client_path' options\n" "have been removed. See Moonraker's configuration docs\n" "for details on client configuration.") client_sections = config.get_prefix_sections("update_manager ") for section in client_sections: cfg = config[section] name = section.split()[-1] if name in self.updaters: raise config.error(f"Client repo {name} already added") client_type = cfg.get("type") if client_type in ["web", "web_beta"]: self.updaters[name] = WebClientDeploy(cfg, self.cmd_helper) elif client_type in ["git_repo", "zip", "zip_beta"]: path = os.path.expanduser(cfg.get('path')) self.updaters[name] = get_deploy_class(path)( cfg, self.cmd_helper) else: raise config.error( f"Invalid type '{client_type}' for section [{section}]") self.cmd_request_lock = asyncio.Lock() self.initialized_lock = asyncio.Event() self.klippy_identified_evt: Optional[asyncio.Event] = None # Auto Status Refresh self.last_refresh_time: float = 0 self.refresh_cb: Optional[PeriodicCallback] = None if auto_refresh_enabled: self.refresh_cb = PeriodicCallback( self._handle_auto_refresh, # type: ignore UPDATE_REFRESH_INTERVAL_MS) self.server.register_endpoint( "/machine/update/moonraker", ["POST"], self._handle_update_request) self.server.register_endpoint( "/machine/update/klipper", ["POST"], self._handle_update_request) self.server.register_endpoint( "/machine/update/system", ["POST"], self._handle_update_request) self.server.register_endpoint( "/machine/update/client", ["POST"], self._handle_update_request) self.server.register_endpoint( "/machine/update/full", ["POST"], self._handle_full_update_request) self.server.register_endpoint( "/machine/update/status", ["GET"], self._handle_status_request) self.server.register_endpoint( "/machine/update/recover", ["POST"], self._handle_repo_recovery) self.server.register_notification("update_manager:update_response") self.server.register_notification("update_manager:update_refreshed") # Register Ready Event self.server.register_event_handler( "server:klippy_identified", self._set_klipper_repo) # Initialize GitHub API Rate Limits and configured updaters self.event_loop.register_callback( self._initalize_updaters, list(self.updaters.values())) async def _initalize_updaters(self, initial_updaters: List[BaseDeploy] ) -> None: async with self.cmd_request_lock: await self.cmd_helper.init_api_rate_limit() for updater in initial_updaters: if isinstance(updater, PackageDeploy): ret = updater.refresh(False) else: ret = updater.refresh() await ret self.initialized_lock.set() if self.refresh_cb is not None: self.refresh_cb.start() async def _set_klipper_repo(self) -> None: if self.klippy_identified_evt is not None: self.klippy_identified_evt.set() kinfo = self.server.get_klippy_info() if not kinfo: logging.info("No valid klippy info received") return kpath: str = kinfo['klipper_path'] executable: str = kinfo['python_path'] kupdater = self.updaters.get('klipper') if ( isinstance(kupdater, AppDeploy) and kupdater.check_same_paths(kpath, executable) ): # Current Klipper Updater is valid return need_notification = not isinstance(kupdater, AppDeploy) self.updaters['klipper'] = get_deploy_class(kpath)( self.app_config[f"update_manager klipper"], self.cmd_helper, { 'channel': self.channel, 'path': kpath, 'executable': executable }) async with self.cmd_request_lock: await self.updaters['klipper'].refresh() if need_notification: vinfo: Dict[str, Any] = {} for name, updater in self.updaters.items(): vinfo[name] = updater.get_update_status() uinfo = self.cmd_helper.get_rate_limit_stats() uinfo['version_info'] = vinfo uinfo['busy'] = self.cmd_helper.is_update_busy() self.server.send_event("update_manager:update_refreshed", uinfo) async def _check_klippy_printing(self) -> bool: kapi: APIComp = self.server.lookup_component('klippy_apis') result: Dict[str, Any] = await kapi.query_objects( {'print_stats': None}, default={}) pstate: str = result.get('print_stats', {}).get('state', "") return pstate.lower() == "printing" async def _handle_auto_refresh(self) -> None: if await self._check_klippy_printing(): # Don't Refresh during a print logging.info("Klippy is printing, auto refresh aborted") return cur_time = time.time() cur_hour = time.localtime(cur_time).tm_hour time_diff = cur_time - self.last_refresh_time # Update packages if it has been more than 12 hours # and the local time is between 12AM and 5AM if time_diff < MIN_REFRESH_TIME or cur_hour >= MAX_PKG_UPDATE_HOUR: # Not within the update time window return vinfo: Dict[str, Any] = {} async with self.cmd_request_lock: try: for name, updater in list(self.updaters.items()): await updater.refresh() vinfo[name] = updater.get_update_status() except Exception: logging.exception("Unable to Refresh Status") return self.last_refresh_time = time.time() uinfo = self.cmd_helper.get_rate_limit_stats() uinfo['version_info'] = vinfo uinfo['busy'] = self.cmd_helper.is_update_busy() self.server.send_event("update_manager:update_refreshed", uinfo) async def _handle_update_request(self, web_request: WebRequest ) -> str: await self.initialized_lock.wait() if await self._check_klippy_printing(): raise self.server.error("Update Refused: Klippy is printing") app: str = web_request.get_endpoint().split("/")[-1] if app == "client": app = web_request.get('name') if self.cmd_helper.is_app_updating(app): return f"Object {app} is currently being updated" updater = self.updaters.get(app, None) if updater is None: raise self.server.error(f"Updater {app} not available", 404) async with self.cmd_request_lock: self.cmd_helper.set_update_info(app, id(web_request)) try: if not await self._check_need_reinstall(app): await updater.update() except Exception as e: self.cmd_helper.notify_update_response( f"Error updating {app}") self.cmd_helper.notify_update_response( str(e), is_complete=True) raise finally: self.cmd_helper.clear_update_info() return "ok" async def _handle_full_update_request(self, web_request: WebRequest ) -> str: async with self.cmd_request_lock: app_name = "" self.cmd_helper.set_update_info('full', id(web_request), full_complete=False) self.cmd_helper.notify_update_response( "Preparing full software update...") try: # Perform system updates if 'system' in self.updaters: app_name = 'system' await self.updaters['system'].update() # Update clients for name, updater in self.updaters.items(): if name in ['klipper', 'moonraker', 'system']: continue app_name = name if not await self._check_need_reinstall(app_name): await updater.update() # Update Klipper app_name = 'klipper' kupdater = self.updaters.get('klipper') if isinstance(kupdater, AppDeploy): self.klippy_identified_evt = asyncio.Event() klippy_updated = True if not await self._check_need_reinstall(app_name): klippy_updated = await kupdater.update() if klippy_updated: self.cmd_helper.notify_update_response( "Waiting for Klippy to reconnect (this may take" " up to 2 minutes)...") try: await asyncio.wait_for( self.klippy_identified_evt.wait(), 120.) except asyncio.TimeoutError: self.cmd_helper.notify_update_response( "Klippy reconnect timed out...") else: self.cmd_helper.notify_update_response( f"Klippy Reconnected") self.klippy_identified_evt = None # Update Moonraker app_name = 'moonraker' if not await self._check_need_reinstall(app_name): await self.updaters['moonraker'].update() self.cmd_helper.set_full_complete(True) self.cmd_helper.notify_update_response( "Full Update Complete", is_complete=True) except Exception as e: self.cmd_helper.notify_update_response( f"Error updating {app_name}") self.cmd_helper.set_full_complete(True) self.cmd_helper.notify_update_response( str(e), is_complete=True) finally: self.cmd_helper.clear_update_info() return "ok" async def _check_need_reinstall(self, name: str) -> bool: if name not in self.updaters: return False updater = self.updaters[name] if not isinstance(updater, AppDeploy): return False if not updater.check_need_channel_swap(): return False app_type = updater.get_configured_type() if app_type == "git_repo": deploy_class: Type = GitDeploy else: deploy_class = ZipDeploy if isinstance(updater, deploy_class): # Here the channel swap can be done without instantiating a new # class, as it will automatically be done when the user updates. return False # Instantiate the new updater. This will perform a reinstallation new_updater = await deploy_class.from_application(updater) self.updaters[name] = new_updater return True async def _handle_status_request(self, web_request: WebRequest ) -> Dict[str, Any]: await self.initialized_lock.wait() check_refresh = web_request.get_boolean('refresh', False) # Don't refresh if a print is currently in progress or # if an update is in progress. Just return the current # state if self.cmd_helper.is_update_busy() or \ await self._check_klippy_printing(): check_refresh = False need_refresh = False if check_refresh: # Acquire the command request lock if we want force a refresh await self.cmd_request_lock.acquire() # If a request to refresh is received within 1 minute of # a previous refresh, don't force a new refresh. This gives # clients a fresh state by acquiring the lock and waiting # without unnecessary processing. need_refresh = time.time() > (self.last_refresh_time + 60.) vinfo: Dict[str, Any] = {} try: for name, updater in list(self.updaters.items()): if need_refresh: await updater.refresh() vinfo[name] = updater.get_update_status() if need_refresh: self.last_refresh_time = time.time() except Exception: raise finally: if check_refresh: self.cmd_request_lock.release() ret = self.cmd_helper.get_rate_limit_stats() ret['version_info'] = vinfo ret['busy'] = self.cmd_helper.is_update_busy() if need_refresh: event_loop = self.server.get_event_loop() event_loop.delay_callback( .2, self.server.send_event, "update_manager:update_refreshed", ret) return ret async def _handle_repo_recovery(self, web_request: WebRequest ) -> str: await self.initialized_lock.wait() if await self._check_klippy_printing(): raise self.server.error( "Recovery Attempt Refused: Klippy is printing") app: str = web_request.get_str('name') hard = web_request.get_boolean("hard", False) update_deps = web_request.get_boolean("update_deps", False) updater = self.updaters.get(app, None) if updater is None: raise self.server.error(f"Updater {app} not available", 404) elif not isinstance(updater, GitDeploy): raise self.server.error(f"Upater {app} is not a Git Repo Type") async with self.cmd_request_lock: self.cmd_helper.set_update_info(f"recover_{app}", id(web_request)) try: await updater.recover(hard, update_deps) except Exception as e: self.cmd_helper.notify_update_response( f"Error Recovering {app}") self.cmd_helper.notify_update_response( str(e), is_complete=True) raise finally: self.cmd_helper.clear_update_info() return "ok" def close(self) -> None: self.cmd_helper.close() if self.refresh_cb is not None: self.refresh_cb.stop() class CommandHelper: def __init__(self, config: ConfigHelper) -> None: self.server = config.get_server() self.debug_enabled = config.getboolean('enable_repo_debug', False) if self.debug_enabled: logging.warning("UPDATE MANAGER: REPO DEBUG ENABLED") shell_cmd: SCMDComp = self.server.lookup_component('shell_command') self.scmd_error = shell_cmd.error self.build_shell_command = shell_cmd.build_shell_command self.pkg_updater: Optional[PackageDeploy] = None self.http_client = AsyncHTTPClient() self.github_request_cache: Dict[str, CachedGithubResponse] = {} # GitHub API Rate Limit Tracking self.gh_rate_limit: Optional[int] = None self.gh_limit_remaining: Optional[int] = None self.gh_limit_reset_time: Optional[float] = None # Update In Progress Tracking self.cur_update_app: Optional[str] = None self.cur_update_id: Optional[int] = None self.full_complete: bool = False def get_server(self) -> Server: return self.server def is_debug_enabled(self) -> bool: return self.debug_enabled def set_update_info(self, app: str, uid: int, full_complete: bool = True ) -> None: self.cur_update_app = app self.cur_update_id = uid self.full_complete = full_complete def set_full_complete(self, complete: bool = False): self.full_complete = complete def clear_update_info(self) -> None: self.cur_update_app = self.cur_update_id = None self.full_complete = False def is_app_updating(self, app_name: str) -> bool: return self.cur_update_app == app_name def is_update_busy(self) -> bool: return self.cur_update_app is not None def set_package_updater(self, updater: PackageDeploy) -> None: self.pkg_updater = updater def get_rate_limit_stats(self) -> Dict[str, Any]: return { 'github_rate_limit': self.gh_rate_limit, 'github_requests_remaining': self.gh_limit_remaining, 'github_limit_reset_time': self.gh_limit_reset_time, } async def init_api_rate_limit(self) -> None: url = "https://api.github.com/rate_limit" while 1: try: resp = await self.github_api_request(url, is_init=True) assert isinstance(resp, dict) core = resp['resources']['core'] self.gh_rate_limit = core['limit'] self.gh_limit_remaining = core['remaining'] self.gh_limit_reset_time = core['reset'] except Exception: logging.exception("Error Initializing GitHub API Rate Limit") await asyncio.sleep(30.) else: reset_time = time.ctime(self.gh_limit_reset_time) logging.info( "GitHub API Rate Limit Initialized\n" f"Rate Limit: {self.gh_rate_limit}\n" f"Rate Limit Remaining: {self.gh_limit_remaining}\n" f"Rate Limit Reset Time: {reset_time}, " f"Seconds Since Epoch: {self.gh_limit_reset_time}") break async def run_cmd(self, cmd: str, timeout: float = 20., notify: bool = False, retries: int = 1, env: Optional[Dict[str, str]] = None, cwd: Optional[str] = None, sig_idx: int = 1 ) -> None: cb = self.notify_update_response if notify else None scmd = self.build_shell_command(cmd, callback=cb, env=env, cwd=cwd) while retries: if await scmd.run(timeout=timeout, sig_idx=sig_idx): break retries -= 1 if not retries: raise self.server.error("Shell Command Error") async def run_cmd_with_response(self, cmd: str, timeout: float = 20., retries: int = 5, env: Optional[Dict[str, str]] = None, cwd: Optional[str] = None, sig_idx: int = 1 ) -> str: scmd = self.build_shell_command(cmd, None, env=env, cwd=cwd) result = await scmd.run_with_response(timeout, retries, sig_idx=sig_idx) return result async def github_api_request(self, url: str, is_init: Optional[bool] = False ) -> JsonType: if self.gh_limit_remaining == 0: curtime = time.time() assert self.gh_limit_reset_time is not None if curtime < self.gh_limit_reset_time: raise self.server.error( f"GitHub Rate Limit Reached\nRequest: {url}\n" f"Limit Reset Time: {time.ctime(self.gh_limit_remaining)}") if url in self.github_request_cache: cached_request = self.github_request_cache[url] etag: Optional[str] = cached_request.get_etag() else: cached_request = CachedGithubResponse() etag = None self.github_request_cache[url] = cached_request headers = {"Accept": "application/vnd.github.v3+json"} if etag is not None: headers['If-None-Match'] = etag retries = 5 while retries: try: fut = self.http_client.fetch( url, headers=headers, connect_timeout=5., request_timeout=5., raise_error=False) resp: HTTPResponse resp = await asyncio.wait_for(fut, 10.) except Exception: retries -= 1 if retries > 0: logging.exception( f"Error Processing GitHub API request: {url}") await asyncio.sleep(1.) continue etag = resp.headers.get('etag', None) if etag is not None: if etag[:2] == "W/": etag = etag[2:] logging.info( "GitHub API Request Processed\n" f"URL: {url}\n" f"Response Code: {resp.code}\n" f"Response Reason: {resp.reason}\n" f"ETag: {etag}") if resp.code == 403: raise self.server.error( f"Forbidden GitHub Request: {resp.reason}") elif resp.code == 304: logging.info(f"Github Request not Modified: {url}") return cached_request.get_cached_result() if resp.code != 200: retries -= 1 if not retries: raise self.server.error( f"Github Request failed: {resp.code} {resp.reason}") logging.info( f"Github request error, {retries} retries remaining") await asyncio.sleep(1.) continue # Update rate limit on return success if 'X-Ratelimit-Limit' in resp.headers and not is_init: self.gh_rate_limit = int(resp.headers['X-Ratelimit-Limit']) self.gh_limit_remaining = int( resp.headers['X-Ratelimit-Remaining']) self.gh_limit_reset_time = float( resp.headers['X-Ratelimit-Reset']) decoded = json.loads(resp.body) if etag is not None: cached_request.update_result(etag, decoded) return decoded raise self.server.error( f"Retries exceeded for GitHub API request: {url}") async def http_download_request(self, url: str, content_type: str, timeout: float = 180. ) -> bytes: retries = 5 while retries: try: fut = self.http_client.fetch( url, headers={"Accept": content_type}, connect_timeout=5., request_timeout=timeout) resp: HTTPResponse resp = await asyncio.wait_for(fut, timeout + 10.) except Exception: retries -= 1 logging.exception("Error Processing Download") if not retries: raise await asyncio.sleep(1.) continue return resp.body raise self.server.error( f"Retries exceeded for GitHub API request: {url}") async def streaming_download_request(self, url: str, dest: Union[str, pathlib.Path], content_type: str, size: int, timeout: float = 180. ) -> None: if isinstance(dest, str): dest = pathlib.Path(dest) retries = 5 while retries: dl = StreamingDownload(self, dest, size) try: fut = self.http_client.fetch( url, headers={"Accept": content_type}, connect_timeout=5., request_timeout=timeout, streaming_callback=dl.on_chunk_recd) resp: HTTPResponse resp = await asyncio.wait_for(fut, timeout + 10.) except Exception: retries -= 1 logging.exception("Error Processing Download") if not retries: raise await asyncio.sleep(1.) continue finally: await dl.close() if resp.code < 400: return def notify_update_response(self, resp: Union[str, bytes], is_complete: bool = False ) -> None: if self.cur_update_app is None: return resp = resp.strip() if isinstance(resp, bytes): resp = resp.decode() done = is_complete and self.full_complete notification = { 'message': resp, 'application': self.cur_update_app, 'proc_id': self.cur_update_id, 'complete': done} self.server.send_event( "update_manager:update_response", notification) async def install_packages(self, package_list: List[str], **kwargs ) -> None: if self.pkg_updater is None: return await self.pkg_updater.install_packages(package_list, **kwargs) def close(self) -> None: self.http_client.close() class CachedGithubResponse: def __init__(self) -> None: self.etag: Optional[str] = None self.cached_result: JsonType = {} def get_etag(self) -> Optional[str]: return self.etag def get_cached_result(self) -> JsonType: return self.cached_result def update_result(self, etag: str, result: JsonType) -> None: self.etag = etag self.cached_result = result class StreamingDownload: def __init__(self, cmd_helper: CommandHelper, dest: pathlib.Path, download_size: int) -> None: self.cmd_helper = cmd_helper self.event_loop = cmd_helper.get_server().get_event_loop() self.name = dest.name self.file_hdl = dest.open('wb') self.download_size = download_size self.total_recd: int = 0 self.last_pct: int = 0 self.chunk_buffer: List[bytes] = [] self.busy_evt: asyncio.Event = asyncio.Event() self.busy_evt.set() def on_chunk_recd(self, chunk: bytes) -> None: if not chunk: return self.chunk_buffer.append(chunk) if not self.busy_evt.is_set(): return self.busy_evt.clear() self.event_loop.register_callback(self._process_buffer) async def close(self): await self.busy_evt.wait() self.file_hdl.close() async def _process_buffer(self): while self.chunk_buffer: chunk = self.chunk_buffer.pop(0) self.total_recd += len(chunk) pct = int(self.total_recd / self.download_size * 100 + .5) await self.event_loop.run_in_thread(self.file_hdl.write, chunk) if pct >= self.last_pct + 5: self.last_pct = pct totals = f"{self.total_recd // 1024} KiB / " \ f"{self.download_size // 1024} KiB" self.cmd_helper.notify_update_response( f"Downloading {self.name}: {totals} [{pct}%]") self.busy_evt.set() class PackageDeploy(BaseDeploy): APT_CMD = "sudo DEBIAN_FRONTEND=noninteractive apt-get" def __init__(self, config: ConfigHelper, cmd_helper: CommandHelper ) -> None: super().__init__(config, cmd_helper) cmd_helper.set_package_updater(self) self.available_packages: List[str] = [] self.refresh_evt: Optional[asyncio.Event] = None # Initialze to current time so an update is not performed on init self.last_apt_update_time: float = time.time() self.mutex: asyncio.Lock = asyncio.Lock() async def refresh(self, fetch_packages: bool = True) -> None: # TODO: Use python-apt python lib rather than command line for updates if self.refresh_evt is not None: self.refresh_evt.wait() return async with self.mutex: self.refresh_evt = asyncio.Event() try: await self._update_apt(force=fetch_packages) res = await self.cmd_helper.run_cmd_with_response( "apt list --upgradable", timeout=60.) pkg_list = [p.strip() for p in res.split("\n") if p.strip()] if pkg_list: pkg_list = pkg_list[2:] self.available_packages = [p.split("/", maxsplit=1)[0] for p in pkg_list] pkg_msg = "\n".join(self.available_packages) logging.info( f"Detected {len(self.available_packages)} package updates:" f"\n{pkg_msg}") except Exception: logging.exception("Error Refreshing System Packages") self.refresh_evt.set() self.refresh_evt = None async def update(self) -> bool: async with self.mutex: if not self.available_packages: return False self.cmd_helper.notify_update_response("Updating packages...") try: await self._update_apt(force=True, notify=True) await self.cmd_helper.run_cmd( f"{self.APT_CMD} upgrade --yes", timeout=3600., notify=True) except Exception: raise self.server.error("Error updating system packages") self.available_packages = [] self.cmd_helper.notify_update_response( "Package update finished...", is_complete=True) return True async def _update_apt(self, force: bool = False, notify: bool = False ) -> None: curtime = time.time() if force or curtime > self.last_apt_update_time + 3600.: # Don't update if a request was done within the last hour await self.cmd_helper.run_cmd( f"{self.APT_CMD} update --allow-releaseinfo-change", timeout=300., notify=notify) self.last_apt_update_time = time.time() async def install_packages(self, package_list: List[str], **kwargs ) -> None: timeout: float = kwargs.get('timeout', 300.) retries: int = kwargs.get('retries', 3) notify: bool = kwargs.get('notify', False) pkgs = " ".join(package_list) await self._update_apt(notify=notify) await self.cmd_helper.run_cmd( f"{self.APT_CMD} install --yes {pkgs}", timeout=timeout, retries=retries, notify=notify) def get_update_status(self) -> Dict[str, Any]: return { 'package_count': len(self.available_packages), 'package_list': self.available_packages } class WebClientDeploy(BaseDeploy): def __init__(self, config: ConfigHelper, cmd_helper: CommandHelper ) -> None: super().__init__(config, cmd_helper) self.repo = config.get('repo').strip().strip("/") self.owner = self.repo.split("/", 1)[0] self.path = pathlib.Path(config.get("path")).expanduser().resolve() self.type = config.get('type') self.channel = "stable" if self.type == "web" else "beta" self.persistent_files: List[str] = [] pfiles = config.get('persistent_files', None) if pfiles is not None: self.persistent_files = [pf.strip().strip("/") for pf in pfiles.split("\n") if pf.strip()] if ".version" in self.persistent_files: raise config.error( "Invalid value for option 'persistent_files': " "'.version' can not be persistent") self.version: str = "?" self.remote_version: str = "?" self.dl_info: Tuple[str, str, int] = ("?", "?", 0) self.refresh_evt: Optional[asyncio.Event] = None self.mutex: asyncio.Lock = asyncio.Lock() logging.info(f"\nInitializing Client Updater: '{self.name}'," f"\nChannel: {self.channel}" f"\npath: {self.path}") async def _get_local_version(self) -> None: version_path = self.path.joinpath(".version") if version_path.is_file(): event_loop = self.server.get_event_loop() version = await event_loop.run_in_thread(version_path.read_text) self.version = version.strip() else: self.version = "?" async def refresh(self) -> None: if self.refresh_evt is not None: self.refresh_evt.wait() return async with self.mutex: self.refresh_evt = asyncio.Event() try: await self._get_local_version() await self._get_remote_version() except Exception: logging.exception("Error Refreshing Client") self.refresh_evt.set() self.refresh_evt = None async def _get_remote_version(self) -> None: # Remote state url = f"https://api.github.com/repos/{self.repo}/releases" try: releases = await self.cmd_helper.github_api_request(url) assert isinstance(releases, list) except Exception: logging.exception(f"Client {self.repo}: Github Request Error") releases = [] result: Dict[str, Any] = {} for release in releases: if self.channel == "stable": if not release['prerelease']: result = release break else: result = release break self.remote_version = result.get('name', "?") release_asset: Dict[str, Any] = result.get('assets', [{}])[0] dl_url: str = release_asset.get('browser_download_url', "?") content_type: str = release_asset.get('content_type', "?") size: int = release_asset.get('size', 0) self.dl_info = (dl_url, content_type, size) logging.info( f"Github client Info Received:\nRepo: {self.name}\n" f"Local Version: {self.version}\n" f"Remote Version: {self.remote_version}\n" f"Pre-release: {result.get('prerelease', '?')}\n" f"url: {dl_url}\n" f"size: {size}\n" f"Content Type: {content_type}") async def update(self) -> bool: async with self.mutex: if self.remote_version == "?": await self._get_remote_version() if self.remote_version == "?": raise self.server.error( f"Client {self.repo}: Unable to locate update") dl_url, content_type, size = self.dl_info if dl_url == "?": raise self.server.error( f"Client {self.repo}: Invalid download url") if self.version == self.remote_version: # Already up to date return False event_loop = self.server.get_event_loop() self.cmd_helper.notify_update_response( f"Updating Web Client {self.name}...") self.cmd_helper.notify_update_response( f"Downloading Client: {self.name}") with tempfile.TemporaryDirectory( suffix=self.name, prefix="client") as tempdirname: tempdir = pathlib.Path(tempdirname) temp_download_file = tempdir.joinpath(f"{self.name}.zip") temp_persist_dir = tempdir.joinpath(self.name) await self.cmd_helper.streaming_download_request( dl_url, temp_download_file, content_type, size) self.cmd_helper.notify_update_response( f"Download Complete, extracting release to '{self.path}'") await event_loop.run_in_thread( self._extract_release, temp_persist_dir, temp_download_file) self.version = self.remote_version version_path = self.path.joinpath(".version") if not version_path.exists(): await event_loop.run_in_thread( version_path.write_text, self.version) self.cmd_helper.notify_update_response( f"Client Update Finished: {self.name}", is_complete=True) return True def _extract_release(self, persist_dir: pathlib.Path, release_file: pathlib.Path ) -> None: if not persist_dir.exists(): os.mkdir(persist_dir) if self.path.is_dir(): # find and move persistent files for fname in os.listdir(self.path): src_path = self.path.joinpath(fname) if fname in self.persistent_files: dest_dir = persist_dir.joinpath(fname).parent os.makedirs(dest_dir, exist_ok=True) shutil.move(str(src_path), str(dest_dir)) shutil.rmtree(self.path) os.mkdir(self.path) with zipfile.ZipFile(release_file) as zf: zf.extractall(self.path) # Move temporary files back into for fname in os.listdir(persist_dir): src_path = persist_dir.joinpath(fname) dest_dir = self.path.joinpath(fname).parent os.makedirs(dest_dir, exist_ok=True) shutil.move(str(src_path), str(dest_dir)) def get_update_status(self) -> Dict[str, Any]: return { 'name': self.name, 'owner': self.owner, 'version': self.version, 'remote_version': self.remote_version, 'configured_type': self.type, 'channel': self.channel } def load_component(config: ConfigHelper) -> UpdateManager: return UpdateManager(config)