MrDraw/src/octoprint/plugins/softwareupdate/__init__.py
2017-11-29 15:55:33 +01:00

1187 lines
46 KiB
Python

# coding=utf-8
from __future__ import absolute_import, division, print_function
__author__ = "Gina Häußge <osd@foosel.net>"
__license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
__copyright__ = "Copyright (C) 2014 The OctoPrint Project - Released under terms of the AGPLv3 License"
import octoprint.plugin
import flask
import os
import threading
import time
import logging
import logging.handlers
import hashlib
# noinspection PyCompatibility
from concurrent import futures
from . import version_checks, updaters, exceptions, util, cli
from flask.ext.babel import gettext
from octoprint.server.util.flask import restricted_access, with_revalidation_checking, check_etag
from octoprint.server import admin_permission, VERSION, REVISION, BRANCH
from octoprint.util import dict_merge, to_unicode
import octoprint.settings
##~~ Plugin
class SoftwareUpdatePlugin(octoprint.plugin.BlueprintPlugin,
octoprint.plugin.SettingsPlugin,
octoprint.plugin.AssetPlugin,
octoprint.plugin.TemplatePlugin,
octoprint.plugin.StartupPlugin,
octoprint.plugin.WizardPlugin,
octoprint.plugin.EventHandlerPlugin):
COMMIT_TRACKING_TYPES = ("github_commit", "bitbucket_commit")
DATA_FORMAT_VERSION = "v2"
# noinspection PyMissingConstructor
def __init__(self):
self._update_in_progress = False
self._configured_checks_mutex = threading.Lock()
self._configured_checks = None
self._refresh_configured_checks = False
self._get_versions_mutex = threading.RLock()
self._get_versions_data = None
self._get_versions_data_ready = threading.Event()
self._version_cache = dict()
self._version_cache_ttl = 0
self._version_cache_path = None
self._version_cache_dirty = False
self._version_cache_timestamp = None
self._console_logger = None
def initialize(self):
self._console_logger = logging.getLogger("octoprint.plugins.softwareupdate.console")
self._version_cache_ttl = self._settings.get_int(["cache_ttl"]) * 60
self._version_cache_path = os.path.join(self.get_plugin_data_folder(), "versioncache.yaml")
self._load_version_cache()
def refresh_checks(name, plugin):
self._refresh_configured_checks = True
self._send_client_message("update_versions")
self._plugin_lifecycle_manager.add_callback("enabled", refresh_checks)
self._plugin_lifecycle_manager.add_callback("disabled", refresh_checks)
def on_startup(self, host, port):
console_logging_handler = logging.handlers.RotatingFileHandler(self._settings.get_plugin_logfile_path(postfix="console"), maxBytes=2*1024*1024)
console_logging_handler.setFormatter(logging.Formatter("%(asctime)s %(message)s"))
console_logging_handler.setLevel(logging.DEBUG)
self._console_logger.addHandler(console_logging_handler)
self._console_logger.setLevel(logging.DEBUG)
self._console_logger.propagate = False
def on_after_startup(self):
# refresh cache now if necessary so it's faster once the user connects to the instance - but decouple it from
# the server startup
def fetch_data():
self.get_current_versions()
thread = threading.Thread(target=fetch_data)
thread.daemon = True
thread.start()
def _get_configured_checks(self):
with self._configured_checks_mutex:
if self._refresh_configured_checks or self._configured_checks is None:
self._refresh_configured_checks = False
self._configured_checks = self._settings.get(["checks"], merged=True)
update_check_hooks = self._plugin_manager.get_hooks("octoprint.plugin.softwareupdate.check_config")
check_providers = self._settings.get(["check_providers"], merged=True)
effective_configs = dict()
for name, hook in update_check_hooks.items():
try:
hook_checks = hook()
except:
self._logger.exception("Error while retrieving update information from plugin {name}".format(**locals()))
else:
for key, default_config in hook_checks.items():
if key in effective_configs or key == "octoprint":
if key == name:
self._logger.warn("Software update hook {} provides check for itself but that was already registered by {} - overwriting that third party registration now!".format(name, check_providers.get(key, "unknown hook")))
else:
self._logger.warn("Software update hook {} tried to overwrite config for check {} but that was already configured elsewhere".format(name, key))
continue
check_providers[key] = name
yaml_config = dict()
effective_config = default_config
if key in self._configured_checks:
yaml_config = self._configured_checks[key]
effective_config = dict_merge(default_config, yaml_config)
# Make sure there's nothing persisted in that check that shouldn't be persisted
#
# This used to be part of the settings migration (version 2) due to a bug - it can't
# stay there though since it interferes with manual entries to the checks not
# originating from within a plugin. Hence we do that step now here.
if "type" not in effective_config or effective_config["type"] not in self.COMMIT_TRACKING_TYPES:
deletables = ["current", "displayVersion"]
else:
deletables = []
self._clean_settings_check(key, yaml_config, default_config, delete=deletables, save=False)
if effective_config:
effective_configs[key] = effective_config
else:
self._logger.warn("Update for {} is empty or None, ignoring it".format(key))
# finally set all our internal representations to our processed results
for key, config in effective_configs.items():
self._configured_checks[key] = config
self._settings.set(["check_providers"], check_providers)
self._settings.save()
# we only want to process checks that came from plugins for
# which the plugins are still installed and enabled
config_checks = self._settings.get(["checks"])
plugin_and_not_enabled = lambda k: k in check_providers and \
not check_providers[k] in self._plugin_manager.enabled_plugins
obsolete_plugin_checks = filter(plugin_and_not_enabled,
config_checks.keys())
for key in obsolete_plugin_checks:
self._logger.debug("Check for key {} was provided by plugin {} that's no longer available, ignoring it".format(key, check_providers[key]))
del self._configured_checks[key]
return self._configured_checks
def _load_version_cache(self):
if not os.path.isfile(self._version_cache_path):
return
import yaml
try:
with open(self._version_cache_path) as f:
data = yaml.safe_load(f)
timestamp = os.stat(self._version_cache_path).st_mtime
except:
self._logger.exception("Error while loading version cache from disk")
else:
try:
if not isinstance(data, dict):
self._logger.info("Version cache was created in a different format, not using it")
return
if "__version" in data:
data_version = data["__version"]
else:
self._logger.info("Can't determine version of OctoPrint version cache was created for, not using it")
return
from octoprint._version import get_versions
octoprint_version = get_versions()["version"]
if data_version != octoprint_version:
self._logger.info("Version cache was created for another version of OctoPrint, not using it")
return
self._version_cache = data
self._version_cache_dirty = False
self._version_cache_timestamp = timestamp
self._logger.info("Loaded version cache from disk")
except:
self._logger.exception("Error parsing in version cache data")
def _save_version_cache(self):
import yaml
from octoprint.util import atomic_write
from octoprint._version import get_versions
octoprint_version = get_versions()["version"]
self._version_cache["__version"] = octoprint_version
with atomic_write(self._version_cache_path, max_permissions=0o666) as file_obj:
yaml.safe_dump(self._version_cache, stream=file_obj, default_flow_style=False, indent=" ", allow_unicode=True)
self._version_cache_dirty = False
self._version_cache_timestamp = time.time()
self._logger.info("Saved version cache to disk")
#~~ SettingsPlugin API
def get_settings_defaults(self):
update_script = os.path.join(self._basefolder, "scripts", "update-octoprint.py")
default_update_script = "{{python}} \"{update_script}\" --branch={{branch}} " \
"--force={{force}} \"{{folder}}\" {{target}}".format(update_script=update_script)
return {
"checks": {
"octoprint": {
"type": "github_release",
"user": "foosel",
"repo": "OctoPrint",
"method": "pip",
"pip": "https://github.com/foosel/OctoPrint/archive/{target_version}.zip",
"update_script": default_update_script,
"restart": "octoprint",
"stable_branch": dict(branch="master", commitish=["master"], name="Stable"),
"prerelease_branches": [dict(branch="rc/maintenance",
commitish=["rc/maintenance"], # maintenance RCs
name="Maintenance RCs"),
dict(branch="rc/devel",
commitish=["rc/maintenance", "rc/devel"], # devel & maintenance RCs
name="Devel RCs")]
},
},
"pip_command": None,
"check_providers": {},
"cache_ttl": 24 * 60,
"notify_users": True
}
def on_settings_load(self):
data = dict(octoprint.plugin.SettingsPlugin.on_settings_load(self))
if "checks" in data:
del data["checks"]
if "check_providers" in data:
del data["check_providers"]
checks = self._get_configured_checks()
if "octoprint" in checks:
data["octoprint_checkout_folder"] = self._get_octoprint_checkout_folder(checks=checks)
data["octoprint_type"] = checks["octoprint"].get("type", None)
try:
data["octoprint_method"] = self._get_update_method("octoprint", checks["octoprint"])
except exceptions.UnknownUpdateType:
data["octoprint_method"] = "unknown"
stable_branch = None
prerelease_branches = []
branch_mappings = []
if "stable_branch" in checks["octoprint"]:
branch_mappings.append(checks["octoprint"]["stable_branch"])
stable_branch = checks["octoprint"]["stable_branch"]["branch"]
if "prerelease_branches" in checks["octoprint"]:
for mapping in checks["octoprint"]["prerelease_branches"]:
branch_mappings.append(mapping)
prerelease_branches.append(mapping["branch"])
data["octoprint_branch_mappings"] = branch_mappings
data["octoprint_release_channel"] = stable_branch
if checks["octoprint"].get("prerelease", False):
channel = checks["octoprint"].get("prerelease_channel", BRANCH)
if channel in prerelease_branches:
data["octoprint_release_channel"] = channel
else:
data["octoprint_checkout_folder"] = None
data["octoprint_type"] = None
data["octoprint_branch_mappings"] = []
return data
def on_settings_save(self, data):
for key in self.get_settings_defaults():
if key in ("checks", "cache_ttl", "notify_user", "octoprint_checkout_folder", "octoprint_type", "octoprint_release_channel"):
continue
if key in data:
self._settings.set([key], data[key])
if "cache_ttl" in data:
self._settings.set_int(["cache_ttl"], data["cache_ttl"])
self._version_cache_ttl = self._settings.get_int(["cache_ttl"]) * 60
if "notify_users" in data:
self._settings.set_boolean(["notify_users"], data["notify_users"])
checks = self._get_configured_checks()
if "octoprint" in checks:
check = checks["octoprint"]
update_type = check.get("type", None)
update_method = self._get_update_method("octoprint", check)
checkout_folder = check.get("checkout_folder", None)
update_folder = check.get("update_folder", None)
prerelease = check.get("prerelease", False)
prerelease_channel = check.get("prerelease_channel", None)
else:
update_type = update_method = checkout_folder = update_folder = prerelease_channel = None
prerelease = False
defaults = dict(
plugins=dict(softwareupdate=dict(
checks=dict(
octoprint=dict(
type=update_type,
method=update_method,
checkout_folder=checkout_folder,
update_folder=update_folder,
prerelease=prerelease,
prerelease_channel=prerelease_channel
)
)
))
)
updated_octoprint_check_config = False
if "octoprint_checkout_folder" in data:
self._settings.set(["checks", "octoprint", "checkout_folder"], data["octoprint_checkout_folder"], defaults=defaults, force=True)
if update_folder and data["octoprint_checkout_folder"]:
self._settings.set(["checks", "octoprint", "update_folder"], None, defaults=defaults, force=True)
updated_octoprint_check_config = True
if "octoprint_type" in data:
octoprint_type = data["octoprint_type"]
if octoprint_type == "github_release":
self._settings.set(["checks", "octoprint", "type"], octoprint_type, defaults=defaults, force=True)
self._settings.set(["checks", "octoprint", "method"], "pip", defaults=defaults, force=True)
updated_octoprint_check_config = True
elif octoprint_type == "git_commit":
self._settings.set(["checks", "octoprint", "type"], octoprint_type, defaults=defaults, force=True)
self._settings.set(["checks", "octoprint", "method"], "update_script", defaults=defaults, force=True)
updated_octoprint_check_config = True
if "octoprint_release_channel" in data:
prerelease_branches = self._settings.get(["checks", "octoprint", "prerelease_branches"])
if prerelease_branches and data["octoprint_release_channel"] in [x["branch"] for x in prerelease_branches]:
self._settings.set(["checks", "octoprint", "prerelease"], True, defaults=defaults, force=True)
self._settings.set(["checks", "octoprint", "prerelease_channel"], data["octoprint_release_channel"],
defaults=defaults, force=True)
else:
self._settings.set(["checks", "octoprint", "prerelease"], False, defaults=defaults, force=True)
self._settings.set(["checks", "octoprint", "prerelease_channel"], None, defaults=defaults, force=True)
updated_octoprint_check_config = True
if updated_octoprint_check_config:
self._refresh_configured_checks = True
try:
del self._version_cache["octoprint"]
except KeyError:
pass
self._version_cache_dirty = True
def get_settings_version(self):
return 6
def on_settings_migrate(self, target, current=None):
if current is None or current < 6:
# up until & including config version 5 we didn't set the method parameter for the octoprint check
# configuration
configured_checks = self._settings.get(["checks"], incl_defaults=False)
if configured_checks is not None and "octoprint" in configured_checks:
octoprint_check = dict(configured_checks["octoprint"])
if not "method" in octoprint_check and octoprint_check.get("type") == "git_commit":
defaults = dict(plugins=dict(softwareupdate=dict(checks=dict(octoprint=dict(method="pip")))))
self._settings.set(["checks", "octoprint", "method"], "update_script", defaults=defaults)
if current == 4:
# config version 4 didn't correctly remove the old settings for octoprint_restart_command
# and environment_restart_command
self._settings.set(["environment_restart_command"], None)
self._settings.set(["octoprint_restart_command"], None)
if current is None or current < 5:
# config version 4 and higher moves octoprint_restart_command and
# environment_restart_command to the core configuration
# current plugin commands
configured_octoprint_restart_command = self._settings.get(["octoprint_restart_command"])
configured_environment_restart_command = self._settings.get(["environment_restart_command"])
# current global commands
configured_system_restart_command = self._settings.global_get(["server", "commands", "systemRestartCommand"])
configured_server_restart_command = self._settings.global_get(["server", "commands", "serverRestartCommand"])
# only set global commands if they are not yet set
if configured_system_restart_command is None and configured_environment_restart_command is not None:
self._settings.global_set(["server", "commands", "systemRestartCommand"], configured_environment_restart_command)
if configured_server_restart_command is None and configured_octoprint_restart_command is not None:
self._settings.global_set(["server", "commands", "serverRestartCommand"], configured_octoprint_restart_command)
# delete current plugin commands from config
self._settings.set(["environment_restart_command"], None)
self._settings.set(["octoprint_restart_command"], None)
if current is None or current == 2:
# No config version and config version 2 need the same fix, stripping
# accidentally persisted data off the checks.
#
# We used to do the same processing for the plugin entries too here, but that interfered
# with manual configuration entries. Stuff got deleted that wasn't supposed to be deleted.
#
# The problem is that we don't know if an entry we are looking at and which didn't come through
# a plugin hook is simply an entry from a now uninstalled/unactive plugin, or if it was something
# manually configured by the user. So instead of just blindly removing anything that doesn't
# come from a plugin here we instead clean up anything that indeed comes from a plugin
# during run time and leave everything else as is in the hopes that will not cause trouble.
#
# We still handle the "octoprint" entry here though.
configured_checks = self._settings.get(["checks"], incl_defaults=False)
if configured_checks is not None and "octoprint" in configured_checks:
octoprint_check = dict(configured_checks["octoprint"])
if "type" not in octoprint_check or octoprint_check["type"] not in self.COMMIT_TRACKING_TYPES:
deletables=["current", "displayName", "displayVersion"]
else:
deletables=[]
self._clean_settings_check("octoprint", octoprint_check, self.get_settings_defaults()["checks"]["octoprint"], delete=deletables, save=False)
elif current == 1:
# config version 1 had the error that the octoprint check got accidentally
# included in checks["octoprint"], leading to recursion and hence to
# yaml parser errors
configured_checks = self._settings.get(["checks"], incl_defaults=False)
if configured_checks is None:
return
if "octoprint" in configured_checks and "octoprint" in configured_checks["octoprint"]:
# that's a circular reference, back to defaults
dummy_defaults = dict(plugins=dict())
dummy_defaults["plugins"][self._identifier] = dict(checks=dict())
dummy_defaults["plugins"][self._identifier]["checks"]["octoprint"] = None
self._settings.set(["checks", "octoprint"], None, defaults=dummy_defaults)
def _clean_settings_check(self, key, data, defaults, delete=None, save=True):
if not data:
# nothing to do
return data
if delete is None:
delete = []
for k, v in data.items():
if k in defaults and defaults[k] == data[k]:
del data[k]
for k in delete:
if k in data:
del data[k]
dummy_defaults = dict(plugins=dict())
dummy_defaults["plugins"][self._identifier] = dict(checks=dict())
dummy_defaults["plugins"][self._identifier]["checks"][key] = defaults
if len(data):
self._settings.set(["checks", key], data, defaults=dummy_defaults)
else:
self._settings.set(["checks", key], None, defaults=dummy_defaults)
if save:
self._settings.save()
return data
#~~ BluePrint API
@octoprint.plugin.BlueprintPlugin.route("/check", methods=["GET"])
@restricted_access
def check_for_update(self):
if "check" in flask.request.values:
check_targets = map(lambda x: x.strip(), flask.request.values["check"].split(","))
else:
check_targets = None
force = flask.request.values.get("force", "false") in octoprint.settings.valid_boolean_trues
def view():
try:
information, update_available, update_possible = self.get_current_versions(check_targets=check_targets, force=force)
return flask.jsonify(dict(status="updatePossible" if update_available and update_possible else "updateAvailable" if update_available else "current",
information=information,
timestamp=self._version_cache_timestamp))
except exceptions.ConfigurationInvalid as e:
return flask.make_response("Update not properly configured, can't proceed: %s" % e.message, 500)
def etag():
checks = self._get_configured_checks()
targets = check_targets
if targets is None:
targets = checks.keys()
import hashlib
hash = hashlib.sha1()
targets = sorted(targets)
for target in targets:
current_hash = self._get_check_hash(checks.get(target, dict()))
if target in self._version_cache and not force:
data = self._version_cache[target]
hash.update(current_hash)
hash.update(str(data["timestamp"] + self._version_cache_ttl >= time.time() > data["timestamp"]))
hash.update(repr(data["information"]))
hash.update(str(data["available"]))
hash.update(str(data["possible"]))
hash.update(str(data.get("online", None)))
hash.update(",".join(targets))
hash.update(str(self._version_cache_timestamp))
hash.update(str(self._connectivity_checker.online))
hash.update(self.DATA_FORMAT_VERSION)
return hash.hexdigest()
def condition():
return check_etag(etag())
return with_revalidation_checking(etag_factory=lambda *args, **kwargs: etag(),
condition=lambda *args, **kwargs: condition(),
unless=lambda: force)(view)()
@octoprint.plugin.BlueprintPlugin.route("/update", methods=["POST"])
@restricted_access
@admin_permission.require(403)
def perform_update(self):
if self._printer.is_printing() or self._printer.is_paused():
# do not update while a print job is running
return flask.make_response("Printer is currently printing or paused", 409)
if not "application/json" in flask.request.headers["Content-Type"]:
return flask.make_response("Expected content-type JSON", 400)
json_data = flask.request.json
if "check" in json_data:
check_targets = map(lambda x: x.strip(), json_data["check"])
else:
check_targets = None
if "force" in json_data and json_data["force"] in octoprint.settings.valid_boolean_trues:
force = True
else:
force = False
to_be_checked, checks = self.perform_updates(check_targets=check_targets, force=force)
return flask.jsonify(dict(order=to_be_checked, checks=checks))
#~~ Asset API
def get_assets(self):
return dict(
css=["css/softwareupdate.css"],
js=["js/softwareupdate.js"],
less=["less/softwareupdate.less"]
)
##~~ TemplatePlugin API
def get_template_configs(self):
from flask.ext.babel import gettext
return [
dict(type="settings", name=gettext("Software Update"))
]
##~~ WizardPlugin API
def is_wizard_required(self):
checks = self._get_configured_checks()
check = checks.get("octoprint", None)
checkout_folder = self._get_octoprint_checkout_folder(checks=checks)
return check and "method" in check and check["method"] == "update_script" and not checkout_folder
##~~ EventHandlerPlugin API
def on_event(self, event, payload):
from octoprint.events import Events
if event != Events.CONNECTIVITY_CHANGED or not payload or not payload.get("new", False):
return
thread = threading.Thread(target=self.get_current_versions)
thread.daemon = True
thread.start()
#~~ Updater
def get_current_versions(self, check_targets=None, force=False):
"""
Retrieves the current version information for all defined check_targets. Will retrieve information for all
available targets by default.
:param check_targets: an iterable defining the targets to check, if not supplied defaults to all targets
"""
checks = self._get_configured_checks()
if check_targets is None:
check_targets = checks.keys()
update_available = False
update_possible = False
information = dict()
# we don't want to do the same work twice, so let's use a lock
if self._get_versions_mutex.acquire(False):
self._get_versions_data_ready.clear()
try:
futures_to_result = dict()
online = self._connectivity_checker.check_immediately()
self._logger.debug("Looks like we are {}".format("online" if online else "offline"))
with futures.ThreadPoolExecutor(max_workers=5) as executor:
for target, check in checks.items():
if not target in check_targets:
continue
if not check:
continue
try:
populated_check = self._populated_check(target, check)
future = executor.submit(self._get_current_version, target, populated_check, force=force)
futures_to_result[future] = (target, populated_check)
except exceptions.UnknownCheckType:
self._logger.warn("Unknown update check type for target {}: {}".format(target,
check.get("type",
"<n/a>")))
continue
except:
self._logger.exception("Could not check {} for updates".format(target))
continue
for future in futures.as_completed(futures_to_result):
target, populated_check = futures_to_result[future]
if future.exception() is not None:
self._logger.error("Could not check {} for updates, error: {!r}".format(target,
future.exception()))
continue
target_information, target_update_available, target_update_possible, target_online, target_error = future.result()
target_information = dict_merge(dict(local=dict(name="?", value="?"),
remote=dict(name="?", value="?",
release_notes=None),
needs_online=True), target_information)
update_available = update_available or target_update_available
update_possible = update_possible or (target_update_possible and target_update_available)
local_name = target_information["local"]["name"]
local_value = target_information["local"]["value"]
release_notes = None
if target_information and target_information["remote"] and target_information["remote"][
"value"]:
if "release_notes" in populated_check and populated_check["release_notes"]:
release_notes = populated_check["release_notes"]
elif "release_notes" in target_information["remote"]:
release_notes = target_information["remote"]["release_notes"]
if release_notes:
release_notes = release_notes.format(octoprint_version=VERSION,
target_name=target_information["remote"]["name"],
target_version=target_information["remote"]["value"])
information[target] = dict(updateAvailable=target_update_available,
updatePossible=target_update_possible,
information=target_information,
displayName=populated_check["displayName"],
displayVersion=populated_check["displayVersion"].format(octoprint_version=VERSION,
local_name=local_name,
local_value=local_value),
releaseNotes=release_notes,
online=target_online,
error=target_error)
if target == "octoprint" and "released_version" in populated_check:
information[target]["released_version"] = populated_check["released_version"]
if self._version_cache_dirty:
self._save_version_cache()
self._get_versions_data = information, update_available, update_possible
self._get_versions_data_ready.set()
finally:
self._get_versions_mutex.release()
else: # something's already in progress, let's wait for it to complete and use its result
self._get_versions_data_ready.wait()
information, update_available, update_possible = self._get_versions_data
return information, update_available, update_possible
def _get_check_hash(self, check):
def dict_to_sorted_repr(d):
lines = []
for key in sorted(d.keys()):
value = d[key]
if isinstance(value, dict):
lines.append("{!r}: {}".format(key, dict_to_sorted_repr(value)))
else:
lines.append("{!r}: {!r}".format(key, value))
return "{" + ", ".join(lines) + "}"
hash = hashlib.md5()
hash.update(dict_to_sorted_repr(check))
return hash.hexdigest()
def _get_current_version(self, target, check, force=False, online=None):
"""
Determines the current version information for one target based on its check configuration.
"""
current_hash = self._get_check_hash(check)
if online is None:
online = self._connectivity_checker.online
if target in self._version_cache and not force:
data = self._version_cache[target]
if data["hash"] == current_hash \
and data["timestamp"] + self._version_cache_ttl >= time.time() > data["timestamp"] \
and data.get("online", None) == online:
# we also check that timestamp < now to not get confused too much by clock changes
return data["information"], data["available"], data["possible"], data["online"], data.get("error", None)
information = dict()
update_available = False
error = None
try:
version_checker = self._get_version_checker(target, check)
information, is_current = version_checker.get_latest(target, check, online=online)
if information is not None and not is_current:
update_available = True
except exceptions.CannotCheckOffline:
update_possible = False
information["needs_online"] = True
except exceptions.UnknownCheckType:
self._logger.warn("Unknown check type %s for %s" % (check["type"], target))
update_possible = False
error = "unknown_check"
except exceptions.NetworkError:
self._logger.warn("Could not check %s for updates due to a network error" % target)
update_possible = False
error = "network"
except:
self._logger.exception("Could not check %s for updates" % target)
update_possible = False
error = "unknown"
else:
try:
updater = self._get_updater(target, check)
update_possible = updater.can_perform_update(target, check, online=online)
except:
update_possible = False
self._version_cache[target] = dict(timestamp=time.time(),
hash=current_hash,
information=information,
available=update_available,
possible=update_possible,
online=online,
error=error)
self._version_cache_dirty = True
return information, update_available, update_possible, online, error
def perform_updates(self, check_targets=None, force=False):
"""
Performs the updates for the given check_targets. Will update all possible targets by default.
:param check_targets: an iterable defining the targets to update, if not supplied defaults to all targets
"""
checks = self._get_configured_checks()
populated_checks = dict()
for target, check in checks.items():
try:
populated_checks[target] = self._populated_check(target, check)
except exceptions.UnknownCheckType:
self._logger.debug("Ignoring unknown check type for target {}".format(target))
except:
self._logger.exception("Error while populating check prior to update for target {}".format(target))
if check_targets is None:
check_targets = populated_checks.keys()
to_be_updated = sorted(set(check_targets) & set(populated_checks.keys()))
if "octoprint" in to_be_updated:
to_be_updated.remove("octoprint")
tmp = ["octoprint"] + to_be_updated
to_be_updated = tmp
updater_thread = threading.Thread(target=self._update_worker, args=(populated_checks, to_be_updated, force))
updater_thread.daemon = False
updater_thread.start()
check_data = dict((key, check["displayName"] if "displayName" in check else key) for key, check in populated_checks.items() if key in to_be_updated)
return to_be_updated, check_data
def _update_worker(self, checks, check_targets, force):
restart_type = None
try:
self._update_in_progress = True
target_results = dict()
error = False
### iterate over all configured targets
for target in check_targets:
if not target in checks:
continue
check = checks[target]
if "enabled" in check and not check["enabled"]:
continue
if not target in check_targets:
continue
target_error, target_result = self._perform_update(target, check, force)
error = error or target_error
if target_result is not None:
target_results[target] = target_result
if "restart" in check:
target_restart_type = check["restart"]
elif "pip" in check:
target_restart_type = "octoprint"
else:
target_restart_type = None
# if our update requires a restart we have to determine which type
if restart_type is None or (restart_type == "octoprint" and target_restart_type == "environment"):
restart_type = target_restart_type
finally:
# we might have needed to update the config, so we'll save that now
self._settings.save()
# also, we are now longer updating
self._update_in_progress = False
if error:
# if there was an unignorable error, we just return error
self._send_client_message("error", dict(results=target_results))
else:
self._save_version_cache()
# otherwise the update process was a success, but we might still have to restart
if restart_type is not None and restart_type in ("octoprint", "environment"):
# one of our updates requires a restart of either type "octoprint" or "environment". Let's see if
# we can actually perform that
restart_command = None
if restart_type == "octoprint":
restart_command = self._settings.global_get(["server", "commands", "serverRestartCommand"])
elif restart_type == "environment":
restart_command = self._settings.global_get(["server", "commands", "systemRestartCommand"])
if restart_command is not None:
self._send_client_message("restarting", dict(restart_type=restart_type, results=target_results))
try:
self._perform_restart(restart_command)
except exceptions.RestartFailed:
self._send_client_message("restart_failed", dict(restart_type=restart_type, results=target_results))
else:
# we don't have this restart type configured, we'll have to display a message that a manual
# restart is needed
self._send_client_message("restart_manually", dict(restart_type=restart_type, results=target_results))
else:
self._send_client_message("success", dict(results=target_results))
def _perform_update(self, target, check, force):
online = self._connectivity_checker.online
information, update_available, update_possible, _, _ = self._get_current_version(target, check, online=online)
if not update_available and not force:
return False, None
if not update_possible:
self._logger.warn("Cannot perform update for %s, update type is not fully configured" % target)
return False, None
# determine the target version to update to
target_version = information["remote"]["value"]
target_error = False
### The actual update procedure starts here...
populated_check = self._populated_check(target, check)
try:
self._logger.info("Starting update of %s to %s..." % (target, target_version))
self._send_client_message("updating", dict(target=target, version=target_version, name=populated_check["displayName"]))
updater = self._get_updater(target, check)
if updater is None:
raise exceptions.UnknownUpdateType()
update_result = updater.perform_update(target, populated_check, target_version, log_cb=self._log, online=online)
target_result = ("success", update_result)
self._logger.info("Update of %s to %s successful!" % (target, target_version))
except exceptions.UnknownUpdateType:
self._logger.warn("Update of %s can not be performed, unknown update type" % target)
self._send_client_message("update_failed", dict(target=target, version=target_version, name=populated_check["displayName"], reason="Unknown update type"))
return False, None
except exceptions.CannotUpdateOffline:
self._logger.warn("Update of %s can not be performed, it's not marked as 'offline' capable but we are apparently offline right now" % target)
self._send_client_message("update_failed", dict(target=target, version=target_version, name=populated_check["displayName"], reason="No internet connection"))
except Exception as e:
self._logger.exception("Update of %s can not be performed" % target)
if not "ignorable" in populated_check or not populated_check["ignorable"]:
target_error = True
if isinstance(e, exceptions.UpdateError):
target_result = ("failed", e.data)
self._send_client_message("update_failed", dict(target=target, version=target_version, name=populated_check["displayName"], reason=e.data))
else:
target_result = ("failed", None)
self._send_client_message("update_failed", dict(target=target, version=target_version, name=populated_check["displayName"], reason="unknown"))
else:
# make sure that any external changes to config.yaml are loaded into the system
self._settings.load()
# persist the new version if necessary for check type
if check["type"] in self.COMMIT_TRACKING_TYPES:
dummy_default = dict(plugins=dict())
dummy_default["plugins"][self._identifier] = dict(checks=dict())
dummy_default["plugins"][self._identifier]["checks"][target] = dict(current=None)
self._settings.set(["checks", target, "current"], target_version, defaults=dummy_default)
# we have to save here (even though that makes us save quite often) since otherwise the next
# load will overwrite our changes we just made
self._settings.save()
del self._version_cache[target]
self._version_cache_dirty = True
return target_error, target_result
def _perform_restart(self, restart_command):
"""
Performs a restart using the supplied restart_command.
"""
self._logger.info("Restarting...")
try:
util.execute(restart_command, evaluate_returncode=False, async=True)
except exceptions.ScriptError as e:
self._logger.exception("Error while restarting via command {}".format(restart_command))
self._logger.warn("Restart stdout:\n{}".format(e.stdout))
self._logger.warn("Restart stderr:\n{}".format(e.stderr))
raise exceptions.RestartFailed()
def _populated_check(self, target, check):
if not "type" in check:
raise exceptions.UnknownCheckType()
result = dict(check)
if target == "octoprint":
from flask.ext.babel import gettext
result["displayName"] = to_unicode(check.get("displayName"), errors="replace")
if result["displayName"] is None:
# displayName missing or set to None
result["displayName"] = to_unicode(gettext("OctoPrint"), errors="replace")
result["displayVersion"] = to_unicode(check.get("displayVersion"), errors="replace")
if result["displayVersion"] is None:
# displayVersion missing or set to None
result["displayVersion"] = u"{octoprint_version}"
stable_branch = "master"
release_branches = []
if "stable_branch" in check:
release_branches.append(check["stable_branch"]["branch"])
stable_branch = check["stable_branch"]["branch"]
if "prerelease_branches" in check:
release_branches += [x["branch"] for x in check["prerelease_branches"]]
result["released_version"] = not release_branches or BRANCH in release_branches
if check["type"] in self.COMMIT_TRACKING_TYPES:
result["current"] = REVISION if REVISION else "unknown"
else:
result["current"] = VERSION
if check["type"] == "github_release" and (check.get("prerelease", None) or BRANCH != stable_branch):
# we are tracking github releases and are either also tracking prerelease OR are currently installed
# from something that is not the stable (master) branch => we need to change some parameters
# we compare versions fully, not just the base so that we see a difference
# between RCs + stable for the same version release
result["force_base"] = False
if check.get("prerelease", None):
# we are tracking prereleases => we want to be on the correct prerelease channel/branch
channel = check.get("prerelease_channel", None)
if channel:
# if we have a release channel, we also set our update_branch here to our release channel
# in case it's not already set
result["update_branch"] = check.get("update_branch", channel)
else:
# we are not tracking prereleases, but aren't on the stable branch either => switch back
# to stable branch on update
result["update_branch"] = check.get("update_branch", stable_branch)
if check.get("update_script", None):
# we force an exact version
result["force_exact_version"] = True
if BRANCH != result.get("prerelease_channel"):
# we force python unequality check here because that will also allow us to
# downgrade on a prerelease channel change (rc/devel => rc/maintenance)
#
# we detect channel changes by comparing the current branch with the target
# branch of the release channel - unequality means we might have to handle
# a downgrade
result["release_compare"] = "python_unequal"
elif check.get("pip", None):
# we force python unequality check for pip installs, to be able to downgrade
result["release_compare"] = "python_unequal"
else:
result["displayName"] = to_unicode(check.get("displayName"), errors="replace")
if result["displayName"] is None:
# displayName missing or None
result["displayName"] = to_unicode(target, errors="replace")
result["displayVersion"] = to_unicode(check.get("displayVersion", check.get("current")), errors="replace")
if result["displayVersion"] is None:
# displayVersion AND current missing or None
result["displayVersion"] = u"unknown"
if check["type"] in self.COMMIT_TRACKING_TYPES:
result["current"] = check.get("current", None)
else:
result["current"] = check.get("current", check.get("displayVersion", None))
if "pip" in result:
if not "pip_command" in check and self._settings.get(["pip_command"]) is not None:
result["pip_command"] = self._settings.get(["pip_command"])
return result
def _log(self, lines, prefix=None, stream=None, strip=True):
if strip:
lines = map(lambda x: x.strip(), lines)
self._send_client_message("loglines", data=dict(loglines=[dict(line=line, stream=stream) for line in lines]))
for line in lines:
self._console_logger.debug(u"{} {}".format(prefix, line))
def _send_client_message(self, message_type, data=None):
self._plugin_manager.send_plugin_message(self._identifier, dict(type=message_type, data=data))
def _get_version_checker(self, target, check):
"""
Retrieves the version checker to use for given target and check configuration. Will raise an UnknownCheckType
if version checker cannot be determined.
"""
if not "type" in check:
raise exceptions.ConfigurationInvalid("no check type defined")
check_type = check["type"]
method = getattr(version_checks, check_type)
if method is None:
raise exceptions.UnknownCheckType()
else:
return method
def _get_update_method(self, target, check, valid_methods=None):
"""
Determines the update method for the given target and check.
If ``valid_methods`` is provided, determine method must be contained
therein to be considered valid.
Raises an ``UnknownUpdateType`` exception if method cannot be determined
or validated.
"""
method = None
if "method" in check:
method = check["method"]
else:
if "update_script" in check:
method = "update_script"
elif "pip" in check:
method = "pip"
elif "python_updater" in check:
method = "python_updater"
if method is None or (valid_methods and not method in valid_methods):
raise exceptions.UnknownUpdateType()
return method
def _get_updater(self, target, check):
"""
Retrieves the updater for the given target and check configuration. Will raise an UnknownUpdateType if updater
cannot be determined.
"""
mapping = dict(update_script=updaters.update_script,
pip=updaters.pip,
python_updater=updaters.python_updater)
method = self._get_update_method(target, check, valid_methods=mapping.keys())
return mapping[method]
def _get_octoprint_checkout_folder(self, checks=None):
if checks is None:
checks = self._get_configured_checks()
if not "octoprint" in checks:
return None
if "checkout_folder" in checks["octoprint"]:
return checks["octoprint"]["checkout_folder"]
elif "update_folder" in checks["octoprint"]:
return checks["octoprint"]["update_folder"]
return None
__plugin_name__ = "Software Update"
__plugin_author__ = "Gina Häußge"
__plugin_url__ = "http://docs.octoprint.org/en/master/bundledplugins/softwareupdate.html"
__plugin_description__ = "Allows receiving update notifications and performing updates of OctoPrint and plugins"
__plugin_disabling_discouraged__ = gettext("Without this plugin OctoPrint will no longer be able to "
"update itself or any of your installed plugins which might put "
"your system at risk.")
__plugin_license__ = "AGPLv3"
def __plugin_load__():
global __plugin_implementation__
__plugin_implementation__ = SoftwareUpdatePlugin()
global __plugin_helpers__
__plugin_helpers__ = dict(
version_checks=version_checks,
updaters=updaters,
exceptions=exceptions,
util=util
)
global __plugin_hooks__
__plugin_hooks__ = {
"octoprint.cli.commands": cli.commands
}