class HostSystemUpgrader(UpgradeEngine):
"""Upgrader for master node host system.
Required for upgrading of packages which
are not under docker, for example fuelclient,
dockerctl.
* add local repo with new packages
* run puppet apply
"""
templates_dir = os.path.abspath(
os.path.join(os.path.dirname(__file__), '../templates'))
def __init__(self, *args, **kwargs):
super(HostSystemUpgrader, self).__init__(*args, **kwargs)
#: host system upgarder specific configs
self.host_system_config = self.config.host_system
#: path to puppet manifests
self.manifest_path = self.host_system_config['manifest_path']
#: path to puppet modules
self.puppet_modules_path = self.host_system_config[
'puppet_modules_path']
#: path to repo template
self.repo_template_path = os.path.join(
self.templates_dir, 'nailgun.repo')
#: new version of fuel
self.version = self.config.new_version
#: path to repository config
self.repo_config_path = self.host_system_config['repo_config_path']
#: packages to be installed before running puppet
self.packages = self.host_system_config['install_packages']
self.supervisor = SupervisorClient(
self.config, self.config.from_version)
@property
def required_free_space(self):
"""Required free space to run upgrade
Requires a lot of disk spaces for new repos and repo config.
:returns: dict where key is path to directory
and value is required free space in megabytes
"""
sources = glob.glob(self.host_system_config['repos']['src'])
repos_size = sum(map(utils.dir_size, sources))
return {
self.host_system_config['repos']['dst']: repos_size,
self.repo_config_path: 10,
}
def upgrade(self):
"""Run host system upgrade process
"""
# The workaround we need in order to fix [1]. In few words,
# when new Docker is installed the containers MUST NOT start
# again because in this case puppet inside them will install
# latest packages and breaks dependencies in some soft.
#
# [1]: https://bugs.launchpad.net/fuel/+bug/1455419
self.supervisor.stop_all_services()
self.install_repos()
self.update_repo()
self.install_packages()
self.run_puppet()
def rollback(self):
"""The only thing which we can rollback here
is yum config
"""
self.remove_repo_config()
self.remove_repos()
self.supervisor.start_all_services()
def install_repos(self):
sources = glob.glob(self.host_system_config['repos']['src'])
for source in sources:
destination = os.path.join(
self.host_system_config['repos']['dst'],
os.path.basename(source))
utils.copy(source, destination)
def remove_repos(self):
sources = glob.glob(self.host_system_config['repos']['src'])
for source in sources:
destination = os.path.join(
self.host_system_config['repos']['dst'],
os.path.basename(source))
utils.remove(destination)
def update_repo(self):
"""Add new centos repository
"""
utils.render_template_to_file(
self.repo_template_path,
self.repo_config_path,
{'version': self.version,
'repo_path': self.host_system_config['repo_master']})
utils.exec_cmd('yum clean all')
def install_packages(self):
"""Install packages for new release
"""
for package in self.packages:
utils.exec_cmd('yum install -v -y {0}'.format(package))
def run_puppet(self):
"""Run puppet to upgrade host system
"""
utils.exec_cmd(
'puppet apply -d -v '
'{0} --modulepath={1}'.format(
self.manifest_path, self.puppet_modules_path))
def remove_repo_config(self):
"""Remove yum repository config
"""
utils.remove_if_exists(self.repo_config_path)
# One more damn hack! We have to remove auxiliary repo config
# if we're rollbacking to the Fuel version that doesn't have
# auxiliary repo at all.
if utils.compare_version(self.config.from_version, '6.1') > 0:
utils.remove_if_exists(
self.host_system_config['repo_aux_config_path'])
class HostSystemUpgrader(UpgradeEngine):
"""Upgrader for master node host system.
Required for upgrading of packages which
are not under docker, for example fuelclient,
dockerctl.
* add local repo with new packages
* run puppet apply
"""
templates_dir = os.path.abspath(
os.path.join(os.path.dirname(__file__), '../templates'))
def __init__(self, *args, **kwargs):
super(HostSystemUpgrader, self).__init__(*args, **kwargs)
#: host system upgarder specific configs
self.host_system_config = self.config.host_system
#: path to puppet manifests
self.manifest_path = self.host_system_config['manifest_path']
#: path to puppet modules
self.puppet_modules_path = self.host_system_config[
'puppet_modules_path']
#: path to repo template
self.repo_template_path = os.path.join(self.templates_dir,
'nailgun.repo')
#: new version of fuel
self.version = self.config.new_version
#: path to repository config
self.repo_config_path = self.host_system_config['repo_config_path']
#: packages to be installed before running puppet
self.packages = self.host_system_config['install_packages']
self.supervisor = SupervisorClient(self.config,
self.config.from_version)
@property
def required_free_space(self):
"""Required free space to run upgrade
Requires a lot of disk spaces for new repos and repo config.
:returns: dict where key is path to directory
and value is required free space in megabytes
"""
sources = glob.glob(self.host_system_config['repos']['src'])
repos_size = sum(map(utils.dir_size, sources))
return {
self.host_system_config['repos']['dst']: repos_size,
self.repo_config_path: 10,
}
def upgrade(self):
"""Run host system upgrade process
"""
# The workaround we need in order to fix [1]. In few words,
# when new Docker is installed the containers MUST NOT start
# again because in this case puppet inside them will install
# latest packages and breaks dependencies in some soft.
#
# [1]: https://bugs.launchpad.net/fuel/+bug/1455419
self.supervisor.stop_all_services()
self.install_repos()
self.update_repo()
self.install_packages()
self.run_puppet()
def rollback(self):
"""The only thing which we can rollback here
is yum config
"""
self.remove_repo_config()
self.remove_repos()
self.supervisor.start_all_services()
def install_repos(self):
sources = glob.glob(self.host_system_config['repos']['src'])
for source in sources:
destination = os.path.join(self.host_system_config['repos']['dst'],
os.path.basename(source))
utils.copy(source, destination)
def remove_repos(self):
sources = glob.glob(self.host_system_config['repos']['src'])
for source in sources:
destination = os.path.join(self.host_system_config['repos']['dst'],
os.path.basename(source))
utils.remove(destination)
def update_repo(self):
"""Add new centos repository
"""
utils.render_template_to_file(
self.repo_template_path, self.repo_config_path, {
'name': '{0}_nailgun'.format(self.version),
'baseurl': self.host_system_config['repo_master'],
'gpgcheck': 0,
'skip_if_unavailable': 0,
})
utils.exec_cmd('yum clean all')
def install_packages(self):
"""Install packages for new release
"""
for package in self.packages:
utils.exec_cmd('yum install -v -y {0}'.format(package))
def run_puppet(self):
"""Run puppet to upgrade host system
"""
utils.exec_cmd('puppet apply -d -v '
'{0} --modulepath={1}'.format(self.manifest_path,
self.puppet_modules_path))
def remove_repo_config(self):
"""Remove yum repository config
"""
utils.remove_if_exists(self.repo_config_path)
# One more damn hack! We have to remove auxiliary repo config
# if we're rollbacking to the Fuel version that doesn't have
# auxiliary repo at all.
if utils.compare_version(self.config.from_version, '6.1') > 0:
utils.remove_if_exists(
self.host_system_config['repo_aux_config_path'])
