349 lines
12 KiB
Python
349 lines
12 KiB
Python
"""Module to provider installing progress calculation for the adapter.
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.. moduleauthor:: Xiaodong Wang <xiaodongwang@huawei.com>
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"""
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import logging
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import re
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from compass.db import database
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from compass.db.model import Cluster, ClusterHost
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from compass.log_analyzor.line_matcher import Progress
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class AdapterItemMatcher(object):
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"""Progress matcher for the os installing or package installing."""
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def __init__(self, file_matchers):
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self.file_matchers_ = file_matchers
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self.min_progress_ = 0.0
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self.max_progress_ = 1.0
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def update_progress_range(self, min_progress, max_progress):
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"""update min_progress and max_progress."""
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self.min_progress_ = min_progress
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self.max_progress_ = max_progress
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for file_matcher in self.file_matchers_:
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file_matcher.update_absolute_progress_range(
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self.min_progress_, self.max_progress_)
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def __str__(self):
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return '%s[file_matchers: %s, min_progress: %s, max_progress: %s]' % (
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self.__class__.__name__, self.file_matchers_,
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self.min_progress_, self.max_progress_)
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def update_progress(self, hostname, clusterid, progress):
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"""Update progress.
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:param hostname: the hostname of the installing host.
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:type hostname: str
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:param clusterid: the cluster id of the installing host.
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:type clusterid: int
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:param progress: Progress instance to update.
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"""
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for file_matcher in self.file_matchers_:
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file_matcher.update_progress(hostname, clusterid, progress)
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class OSMatcher(object):
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"""Progress matcher for os installer."""
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def __init__(self, os_installer_name, os_pattern,
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item_matcher, min_progress, max_progress):
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if not (0.0 <= min_progress <= max_progress <= 1.0):
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raise IndexError('%s restriction not mat:'
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'0.0 <= min_progress(%s) '
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'<= max_progress(%s) <= 1.0' % (
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self.__class__.__name__,
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min_progress, max_progress))
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self.name_ = os_installer_name
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self.os_regex_ = re.compile(os_pattern)
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self.matcher_ = item_matcher
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self.matcher_.update_progress_range(min_progress, max_progress)
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def __repr__(self):
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return '%s[name:%s, os_pattern:%s, matcher:%s]' % (
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self.__class__.__name__, self.name_,
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self.os_regex_.pattern, self.matcher_)
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def match(self, os_installer_name, os_name):
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"""Check if the os matcher is acceptable."""
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return all([
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self.name_ == os_installer_name,
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self.os_regex_.match(os_name)])
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def update_progress(self, hostname, clusterid, progress):
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"""Update progress."""
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self.matcher_.update_progress(hostname, clusterid, progress)
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class PackageMatcher(object):
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"""Progress matcher for package installer."""
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def __init__(self, package_installer_name, target_system,
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item_matcher, min_progress, max_progress):
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if not (0.0 <= min_progress <= max_progress <= 1.0):
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raise IndexError('%s restriction not mat:'
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'0.0 <= min_progress(%s) '
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'<= max_progress(%s) <= 1.0' % (
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self.__class__.__name__,
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min_progress, max_progress))
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self.name_ = package_installer_name
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self.target_system_ = target_system
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self.matcher_ = item_matcher
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self.matcher_.update_progress_range(min_progress, max_progress)
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def __repr__(self):
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return '%s[name:%s, target_system:%s, matcher:%s]' % (
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self.__class__.__name__, self.name_,
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self.target_system_, self.matcher_)
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def match(self, package_installer_name, target_system):
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"""Check if the package matcher is acceptable."""
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return all([
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self.name_ == package_installer_name,
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self.target_system_ == target_system])
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def update_progress(self, hostname, clusterid, progress):
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"""Update progress."""
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self.matcher_.update_progress(hostname, clusterid, progress)
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class AdapterMatcher(object):
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"""Adapter matcher to update adapter installing progress."""
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def __init__(self, os_matcher, package_matcher):
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self.os_matcher_ = os_matcher
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self.package_matcher_ = package_matcher
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def match(self, os_installer_name, os_name,
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package_installer_name, target_system):
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"""Check if the adapter matcher is acceptable.
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:param os_installer_name: the os installer name.
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:type os_installer_name: str
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:param os_name: the os name.
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:type os_name: str
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:param package_installer_name: the package installer name.
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:type package_installer_name: str
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:param target_system: the target system to deploy
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:type target_system: str
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:returns: bool
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.. note::
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Return True if the AdapterMatcher can process the log files
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generated from the os installation and package installation.
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"""
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return all([
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self.os_matcher_.match(os_installer_name, os_name),
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self.package_matcher_.match(
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package_installer_name, target_system)])
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def __str__(self):
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return '%s[os_matcher:%s, package_matcher:%s]' % (
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self.__class__.__name__,
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self.os_matcher_, self.package_matcher_)
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@classmethod
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def _get_host_progress(cls, hostid):
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"""Get Host Progress from database.
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.. notes::
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The function should be called in database session.
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"""
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session = database.current_session()
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host = session.query(
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ClusterHost).filter_by(
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id=hostid).first()
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if not host:
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logging.error(
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'there is no host for %s in ClusterHost', hostid)
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return None, None, None
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if not host.state:
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logging.error('there is no related HostState for %s',
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hostid)
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return host.hostname, None, None
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return (
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host.hostname,
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host.state.state,
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Progress(host.state.progress,
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host.state.message,
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host.state.severity))
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@classmethod
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def _update_host_progress(cls, hostid, progress):
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"""Update host progress to database.
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.. note::
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The function should be called in database session.
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"""
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session = database.current_session()
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host = session.query(
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ClusterHost).filter_by(id=hostid).first()
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if not host:
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logging.error(
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'there is no host for %s in ClusterHost', hostid)
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return
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if not host.state:
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logging.error(
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'there is no related HostState for %s', hostid)
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return
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if host.state.state != 'INSTALLING':
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logging.error(
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'host %s is not in INSTALLING state',
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hostid)
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return
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if host.state.progress > progress.progress:
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logging.error(
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'host %s progress is not increased '
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'from %s to %s',
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hostid, host.state, progress)
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return
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if (
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host.state.progress == progress.progress and
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host.state.message == progress.message
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):
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logging.info(
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'ignore update host %s progress %s to %s',
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hostid, progress, host.state)
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return
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host.state.progress = progress.progress
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host.state.message = progress.message
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if progress.severity:
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host.state.severity = progress.severity
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if host.state.progress >= 1.0:
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host.state.state = 'READY'
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if host.state.severity == 'ERROR':
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host.state.state = 'ERROR'
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if host.state.state != 'INSTALLING':
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host.mutable = True
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logging.debug(
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'update host %s state %s',
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hostid, host.state)
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@classmethod
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def _update_cluster_progress(cls, clusterid):
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"""Update cluster installing progress to database.
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.. note::
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The function should be called in the database session.
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"""
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session = database.current_session()
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cluster = session.query(
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Cluster).filter_by(id=clusterid).first()
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if not cluster:
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logging.error(
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'there is no cluster for %s in Cluster',
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clusterid)
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return
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if not cluster.state:
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logging.error(
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'there is no ClusterState for %s',
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clusterid)
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if cluster.state.state != 'INSTALLING':
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logging.error('cluster %s is not in INSTALLING state',
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clusterid)
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return
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cluster_progress = 0.0
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cluster_messages = {}
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cluster_severities = set([])
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hostids = []
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for host in cluster.hosts:
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if host.state:
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hostids.append(host.id)
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cluster_progress += host.state.progress
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if host.state.message:
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cluster_messages[host.hostname] = host.state.message
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if host.state.severity:
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cluster_severities.add(host.state.severity)
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cluster.state.progress = cluster_progress / len(hostids)
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cluster.state.message = '\n'.join(
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[
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'%s: %s' % (hostname, message)
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for hostname, message in cluster_messages.items()
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]
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)
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for severity in ['ERROR', 'WARNING', 'INFO']:
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if severity in cluster_severities:
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cluster.state.severity = severity
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break
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if cluster.state.progress >= 1.0:
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cluster.state.state = 'READY'
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if cluster.state.severity == 'ERROR':
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cluster.state.state = 'ERROR'
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if cluster.state.state != 'INSTALLING':
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cluster.mutable = True
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logging.debug(
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'update cluster %s state %s',
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clusterid, cluster.state)
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def update_progress(self, clusterid, hostids):
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"""Update cluster progress and hosts progresses.
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:param clusterid: the id of the cluster to update.
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:type clusterid: int.
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:param hostids: the ids of the hosts to update.
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:type hostids: list of int.
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"""
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host_progresses = {}
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with database.session():
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for hostid in hostids:
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hostname, host_state, host_progress = (
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self._get_host_progress(hostid))
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if not hostname or not host_progress:
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logging.error(
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'nothing to update host %s => hostname %s '
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'state %s progress %s',
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hostid, hostname, host_state, host_progress)
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continue
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logging.debug('got host %s hostname %s state %s progress %s',
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hostid, hostname, host_state, host_progress)
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host_progresses[hostid] = (
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hostname, host_state, host_progress)
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for hostid, host_value in host_progresses.items():
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hostname, host_state, host_progress = host_value
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if host_state == 'INSTALLING' and host_progress.progress < 1.0:
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self.os_matcher_.update_progress(
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hostname, clusterid, host_progress)
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self.package_matcher_.update_progress(
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hostname, clusterid, host_progress)
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else:
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logging.error(
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'there is no need to update host %s '
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'progress: hostname %s state %s progress %s',
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hostid, hostname, host_state, host_progress)
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with database.session():
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for hostid in hostids:
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if hostid not in host_progresses:
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continue
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_, _, host_progress = host_progresses[hostid]
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self._update_host_progress(hostid, host_progress)
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self._update_cluster_progress(clusterid)
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