加入强制降级系统软件包版本的模式
This commit is contained in:
wangsong
parent
4d4111b6b0
commit
9c0507adcd
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@ -276,7 +276,7 @@ class UpdateList():
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except Exception as e:
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logging.error(e)
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def _split_package_id(package):
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def _split_package_id(self,package):
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"""Return the name, the version number and the release of the
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specified package."""
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if "=" in package:
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@ -290,68 +290,56 @@ class UpdateList():
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version = release = None
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return name, version, release
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def _mark_packages_for_downgrade(self, packages, resolver):
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"""Mark packages for downgrade."""
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for pkg_name, pkg_ver, pkg_rel in [self._split_package_id(pkg)
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for pkg in packages]:
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try:
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pkg = self.cache[pkg_name]
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except KeyError:
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pass
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# raise TransactionFailed(ERROR_NO_PACKAGE,
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# _("Package %s isn't available"),
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# pkg_name)
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if not pkg.is_installed:
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pass
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# raise TransactionFailed(ERROR_PACKAGE_NOT_INSTALLED,
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# _("Package %s isn't installed"),
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# pkg_name)
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auto = pkg.is_auto_installed
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if pkg_ver:
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if pkg.installed and pkg.installed.version < pkg_ver:
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pass
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# FIXME: We need a new error enum
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# raise TransactionFailed(ERROR_NO_PACKAGE,
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# _("The former version %s of %s "
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# "is already installed"),
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# pkg.installed.version, pkg.name)
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elif pkg.installed and pkg.installed.version == pkg_ver:
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pass
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# raise TransactionFailed(ERROR_PACKAGE_ALREADY_INSTALLED,
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# _("The version %s of %s "
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# "is already installed"),
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# pkg.installed.version, pkg.name)
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try:
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pkg.candidate = pkg.versions[pkg_ver]
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except KeyError:
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pass
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# raise TransactionFailed(ERROR_NO_PACKAGE,
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# _("The version %s of %s isn't "
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# "available"), pkg_ver, pkg_name)
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else:
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pass
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# raise TransactionFailed(ERROR_NO_PACKAGE,
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# _("You need to specify a version to "
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# "downgrade %s to"),
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# pkg_name)
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# pkg.mark_install(False, False, True)
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# pkg.mark_auto(auto)
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# resolver.clear(pkg)
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# resolver.protect(pkg)
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def _make_downgrade(self,cache,data):
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downgrade_pkgs = data["force_downgrade"]
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def _make_downgrade(self,cache,downgrade_pkgs):
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output_downgrade = []
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adjust_pkgs = []
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for pkg_name, pkg_ver, pkg_rel in [self._split_package_id(pkg)
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for pkg in downgrade_pkgs]:
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try:
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pkg = cache[pkg_name]
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except KeyError:
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logging.warning("Package %s isn't available",pkg_name)
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continue
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if not pkg.is_installed:
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logging.warning("Package %s isn't installed",pkg_name)
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pass
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if pkg_ver:
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if pkg.installed and pkg.installed.version < pkg_ver:
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logging.warning("The former version %s of %s is already installed",pkg.installed.version, pkg.name)
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continue
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elif pkg.installed and pkg.installed.version == pkg_ver:
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logging.warning("The version %s of %s is already installed",pkg.installed.version, pkg.name)
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continue
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try:
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pkg.candidate = pkg.versions[pkg_ver]
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except KeyError:
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logging.warning("The version %s of %s isn't available",pkg_ver, pkg_name)
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continue
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output_downgrade.append(pkg_name)
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adjust_pkgs.append(pkg_name+'='+pkg_ver)
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return output_downgrade,adjust_pkgs
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def _get_downgrade_list(self,cache,data):
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downgrade_pkgs = []
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try:
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downgrade_raw = data['force_downgrade']
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except Exception as e:
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downgrade_raw = []
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for pkg_name, pkg_ver, pkg_rel in [self._split_package_id(pkg)
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for pkg in downgrade_raw]:
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if pkg_name in cache:
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downgrade_pkgs.append(pkg_name)
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else:
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logging.warning("Package %s isn't available",pkg_name)
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continue
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return downgrade_raw,downgrade_pkgs
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def _make_groups_upgrade(self,cache,group_list, pkgs_upgrade = []):
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try:
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@ -385,17 +373,34 @@ class UpdateList():
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if not group_name in group_list:
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continue
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upgrade_pkgs_list = data['upgrade_list']
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#检查包是否在cache中 以及是否已经安装 没有安装的话才添加到列表
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new_install_list = self._check_pkg_in_cache(cache,data['install_list'])
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downgrade_raw,downgrade_pkgs = self._get_downgrade_list(cache,data)
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#被降级的软件包优先级最高
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for pkg in downgrade_pkgs:
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if pkg in upgrade_pkgs_list:
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upgrade_pkgs_list.remove(pkg)
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if pkg in new_install_list:
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new_install_list.remove(pkg)
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if pkg in self.upgrade_meta.single_pkgs:
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self.upgrade_meta.single_pkgs.remove(pkg)
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#进行交集 升级列表
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new_upgrade_list = list(set(pkgs_upgrade) & set(upgrade_pkgs_list))
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#进行源过滤
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new_install_list,new_upgrade_list,adjust_pkgs = self._make_fiter_origin([cache[pkg] for pkg in new_install_list + new_upgrade_list],False)
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self.upgrade_meta.adjust_pkgs.extend(adjust_pkgs)
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#在总升级列表中移除这些包
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for pkg in new_upgrade_list:
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pkgs_upgrade.remove(pkg)
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downgrade_pkg,adjust_pkgs = self._make_downgrade(cache,downgrade_raw)
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self.upgrade_meta.adjust_pkgs.extend(adjust_pkgs)
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new_upgrade_list.extend(downgrade_pkg)
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#单包的优先级最高 从组中剔除此包
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for pkg in self.upgrade_meta.single_pkgs:
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if pkg in new_install_list:
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@ -404,9 +409,7 @@ class UpdateList():
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#判断当前是否可升级或者新装的包
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if len(new_install_list) == 0 and len(new_upgrade_list) == 0:
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continue
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#在总升级列表中移除这些包
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for pkg in new_upgrade_list:
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pkgs_upgrade.remove(pkg)
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#3、生成升级的包列表JSON
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upgrade_pkgs_json = self._make_pkg_info_json(cache,new_upgrade_list)
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#2、生成安装的软件列表
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@ -36,6 +36,7 @@ class UpdateManager():
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BACKEND_PKG_NAME = 'kylin-system-updater'
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FRONTEND_PKG_NAME = "kylin-update-frontend"
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GROUPS_PKG_NAME = 'kylin-update-desktop-config'
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SOURCES_UPDATE_NAME = "kylin-software-properties"
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APTD_PKG_NAME = "aptdaemon"
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RUN_UNATTENDED_UPGRADE = '/var/run/unattended-upgrades.pid'
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RETRY_LIMIT_NUM = 2
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@ -158,13 +158,13 @@ class InstallBackendAptdaemon(InstallBackend):
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raise
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@inline_callbacks
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def commit(self,model,pkgs_install, pkgs_upgrade, pkgs_remove,pkgs_purge = []):
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def commit(self,model,pkgs_install, pkgs_upgrade, pkgs_remove,pkgs_downgrade = []):
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"""Commit a list of package adds and removes"""
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try:
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reinstall = downgrade = []
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reinstall = purge = []
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trans = yield self.client.commit_packages(
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pkgs_install, reinstall, pkgs_remove, purge = pkgs_purge, upgrade = pkgs_upgrade,
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downgrade = downgrade,download = model, defer=True)
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pkgs_install, reinstall, pkgs_remove, purge = purge, upgrade = pkgs_upgrade,
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downgrade = pkgs_downgrade,download = model, defer=True)
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self.window_main.dbusController.transaction = trans
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yield self._show_transaction(trans, self.action,
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@ -148,8 +148,9 @@ class InstallBackend():
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#拿到升级列表
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self.now_upgrade.make_upgrade_content(partial_upgrade_list)
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pkgs_install,pkgs_upgrade,pkgs_remove = self._get_mark_from_cache(self.cache,self.upgrade_data.adjust_pkgs,self.action_mode)
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logging.info("INSTALL install:%d , upgrade:%d remove:%d",len(pkgs_install),len(pkgs_upgrade),len(pkgs_remove))
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pkgs_install,pkgs_upgrade,pkgs_remove,pkgs_downgrade = self._get_mark_from_cache(self.cache,self.upgrade_data.adjust_pkgs,self.action_mode)
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logging.info("INSTALL install:%d , upgrade:%d remove:%d pkgs_downgrade:%d",len(pkgs_install),\
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len(pkgs_upgrade),len(pkgs_remove),len(pkgs_downgrade))
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#当下载数量大于200个包时 就认为属于大版本升级 开启重试机制
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if len(pkgs_install) + len(pkgs_upgrade) > 100:
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@ -157,7 +158,7 @@ class InstallBackend():
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self.now_upgrade.version_upgrade = True
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#检查是否存在可升级的包
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if len(pkgs_install) == 0 and len(pkgs_upgrade) == 0 and len(pkgs_remove) == 0:
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if len(pkgs_install) == 0 and len(pkgs_upgrade) == 0 and len(pkgs_remove) == 0 and len(pkgs_downgrade) == 0:
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raise UpdateBaseError(ERROR_NOT_UPGRADE_PACKAGES)
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# if self.action_mode == self.MODE_INSTALL_SINGLE:
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@ -172,10 +173,10 @@ class InstallBackend():
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self.window_main.collector.Upgrade_Process_Msg(self.action, {"appname":ul})
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if self.action == self.ACTION_INSTALL:
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self.commit(self.action,pkgs_install, pkgs_upgrade, pkgs_remove)
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self.commit(self.action,pkgs_install, pkgs_upgrade, pkgs_remove,pkgs_downgrade)
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elif self.action == self.ACTION_DOWNLOADONLY:
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self._update_to_config(self.now_upgrade,pkgs_install,pkgs_upgrade,pkgs_remove)
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self.commit(self.action,pkgs_install, pkgs_upgrade, pkgs_remove)
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self.commit(self.action,pkgs_install, pkgs_upgrade, pkgs_remove,pkgs_downgrade)
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elif self.action == self.ACTION_INSTALL_SHUTDOWN:
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self.now_upgrade,pkgs_install,pkgs_upgrade,pkgs_remove = self._config_to_upgrade()
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@ -202,8 +203,8 @@ class InstallBackend():
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#获取要升级和安装的包列表
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pkgs_install,pkgs_upgrade = self._make_pkgs_list(self.cache,self.upgrade_data.groups_pkgs,self.now_upgrade.upgrade_groups,self.now_upgrade.single_pkgs)
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#计算解决依赖关系
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delete_pkgs,delete_desc = self._make_problem_resolver(self.cache,pkgs_install,pkgs_upgrade)
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pkgs_install,pkgs_upgrade,pkgs_remove = self._get_mark_from_cache(self.cache,self.upgrade_data.adjust_pkgs,self.action_mode)
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delete_pkgs,delete_desc = self._make_problem_resolver(self.cache,pkgs_install,pkgs_upgrade,self.upgrade_data.adjust_pkgs)
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pkgs_install,pkgs_upgrade,pkgs_remove,pkgs_downgrade = self._get_mark_from_cache(self.cache,self.upgrade_data.adjust_pkgs,self.action_mode)
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if len(pkgs_remove) != len(delete_pkgs):
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logging.warning("Simulation of the deletion package list:%s",str(delete_pkgs))
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@ -220,13 +221,14 @@ class InstallBackend():
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except Exception as e:
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logging.error(str(e))
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raise UpdateBaseError(ERROR_RESOLVER_FAILED,desc= str(e))
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pkgs_install,pkgs_upgrade,pkgs_remove = self._get_mark_from_cache(self.cache,self.upgrade_data.adjust_pkgs,self.action_mode)
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pkgs_install,pkgs_upgrade,pkgs_remove,pkgs_downgrade = self._get_mark_from_cache(self.cache,self.upgrade_data.adjust_pkgs,self.action_mode)
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self.window_main.collector.Generate_Msg(self.now_upgrade.upgrade_groups+self.now_upgrade.single_pkgs, self.action_mode)
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for ul in self.window_main.collector.upgrade_list:
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self.window_main.collector.Upgrade_Process_Msg(self.action, {"appname":ul})
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logging.info("RESOLVER install:%d , upgrade:%d remove:%d",len(pkgs_install),len(pkgs_upgrade),len(pkgs_remove))
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logging.info("RESOLVER install:%d , upgrade:%d remove:%d pkgs_downgrade:%d",len(pkgs_install),len(pkgs_upgrade),\
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len(pkgs_remove),len(pkgs_downgrade))
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is_remove_pkgs = len(pkgs_remove) != 0
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#添加关于删除包的描述信息
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@ -292,7 +294,7 @@ class InstallBackend():
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"""Remove all downloaded files.t"""
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raise NotImplementedError
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def commit(self,model,pkgs_install, pkgs_upgrade, pkgs_remove,pkgs_purge = []):
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def commit(self,model,pkgs_install, pkgs_upgrade, pkgs_remove,pkgs_downgrade = []):
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"""Commit the cache changes """
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raise NotImplementedError
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@ -317,6 +319,7 @@ class InstallBackend():
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pkgs_install = []
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pkgs_upgrade = []
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pkgs_remove = []
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pkgs_downgrade = []
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#全盘升级不做任何的调整
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if upgrade_mode == self.MODE_INSTALL_SYSTEM or upgrade_mode == self.MODE_INSTALL_SINGLE:
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@ -342,9 +345,11 @@ class InstallBackend():
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pkgs_upgrade.append(pkg.name)
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elif pkg.marked_delete:
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pkgs_remove.append(pkg.name)
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elif pkg.marked_downgrade:
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pkgs_downgrade.append(pkg.name+'='+pkg.candidate.source_version)
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except KeyError:
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pass
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return pkgs_install,pkgs_upgrade,pkgs_remove
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return pkgs_install,pkgs_upgrade,pkgs_remove,pkgs_downgrade
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#获取当前升级的升级列表
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def _make_groups_list(self,upgrade_data,_upgrade_mode,partial_upgrade_list):
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@ -417,13 +422,26 @@ class InstallBackend():
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pass
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return all_deps
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def _split_package_id(self,package):
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"""Return the name, the version number and the release of the
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specified package."""
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if "=" in package:
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name, version = package.split("=", 1)
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release = None
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elif "/" in package:
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name, release = package.split("/", 1)
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version = None
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else:
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name = package
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version = release = None
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return name, version, release
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#将获取本次升级的包 进行计算依赖关系 解决依赖问题
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def _make_problem_resolver(self,cache,pkgs_install = [],pkgs_upgrade = []):
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def _make_problem_resolver(self,cache,pkgs_install = [],pkgs_upgrade = [],adjust_pkgs = []):
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last_broken_count = 0
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#计算出来的需要删除的包列表
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delete_pkgs = []
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delete_desc = []
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fresh_cache = Cache()
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try:
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logging.info("ProblemResolver install:%d , upgrade:%d",len(pkgs_install),len(pkgs_upgrade))
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logging.info("Start calculating dependencies...")
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@ -433,12 +451,21 @@ class InstallBackend():
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if cache.get_changes():
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cache.clear()
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resolver = apt.cache.ProblemResolver(cache)
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#调整候选版本强制更改版本
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for pkg_name, pkg_ver, pkg_rel in [self._split_package_id(pkg)
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for pkg in adjust_pkgs]:
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try:
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pkg = cache[pkg_name]
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pkg.candidate = pkg.versions[pkg_ver]
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except KeyError:
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logging.warning("The version %s of %s isn't available",pkg_ver, pkg_name)
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continue
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#标记计算所有需要安装的
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for pkg in pkgs_upgrade + pkgs_install:
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pkg_cache = cache[pkg]
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#将第二个参数调整为False 当为True时就不能检查缺少依赖的包 默认自动移除掉了
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#将第二个参数调整为False 当为True时就不能检查缺少依赖的包 默认自动移除掉了
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pkg_cache.mark_install(False, False, True)
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#将可自动升级的标记为自动安装
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@ -452,6 +479,7 @@ class InstallBackend():
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if cache._depcache.broken_count != last_broken_count and \
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self.window_main.configs_cover.getWithDefault("ConfigPkgStatus", "check_resover_remove", False) == True:
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last_broken_count = cache._depcache.broken_count
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fresh_cache = Cache()
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tmp_pkgs,tmp_desc = self._emulate_calcul_delete(pkg,fresh_cache)
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delete_pkgs.extend(tmp_pkgs)
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delete_desc.extend(tmp_desc)
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