def install_maas_cli(self):
"""Ensure maas-cli is installed
Fallback to MAAS stable PPA when needed.
"""
apt.init()
cache = apt.Cache()
try:
pkg = cache['maas-cli']
except KeyError:
cmd = ['add-apt-repository', '-y', MAAS_STABLE_PPA]
subprocess.check_call(cmd)
cmd = ['apt-get', 'update']
subprocess.check_call(cmd)
self.install_maas_cli()
return
if not pkg.current_ver:
apt_install('maas-cli', fatal=True)
python类init()的实例源码
def openstack_upgrade_available(self, package=None, snap=None):
"""Check if an OpenStack upgrade is available
:param package: str Package name to use to check upgrade availability
:returns: bool
"""
if not package:
package = self.release_pkg
if not snap:
snap = self.release_snap
src = self.config['openstack-origin']
cur_vers = self.get_os_version_package(package)
avail_vers = os_utils.get_os_version_install_source(src)
if os_utils.snap_install_requested():
cur_vers = self.get_os_version_snap(snap)
else:
cur_vers = self.get_os_version_package(package)
apt.init()
return apt.version_compare(avail_vers, cur_vers) == 1
def getDependencies(self, packageName):
# Simulate a set using a hash (to a dummy value);
# sets were only added in Python 2.4
result = {}
if not self.cache:
import apt_pkg
apt_pkg.init()
self.cache = apt_pkg.Cache()
packages = self.cache.packages
for package in packages:
if package.name == packageName:
current = package.current_ver
if not current:
raise PackageNotFoundError(packageName)
depends = current.depends_list
list = depends['Depends']
for dependency in list:
name = dependency[0].target_pkg.name
# Add to the hash using a dummy value
result[name] = None
return list(result.keys())
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if not cur_vers:
# The package has not been installed yet do not attempt upgrade
return False
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def apt_cache(in_memory=True, progress=None):
"""Build and return an apt cache."""
from apt import apt_pkg
apt_pkg.init()
if in_memory:
apt_pkg.config.set("Dir::Cache::pkgcache", "")
apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
return apt_pkg.Cache(progress)
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if not cur_vers:
# The package has not been installed yet do not attempt upgrade
return False
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def apt_cache(in_memory=True, progress=None):
"""Build and return an apt cache."""
from apt import apt_pkg
apt_pkg.init()
if in_memory:
apt_pkg.config.set("Dir::Cache::pkgcache", "")
apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
return apt_pkg.Cache(progress)
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if not cur_vers:
# The package has not been installed yet do not attempt upgrade
return False
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def apt_cache(in_memory=True, progress=None):
"""Build and return an apt cache."""
from apt import apt_pkg
apt_pkg.init()
if in_memory:
apt_pkg.config.set("Dir::Cache::pkgcache", "")
apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
return apt_pkg.Cache(progress)
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if not cur_vers:
# The package has not been installed yet do not attempt upgrade
return False
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def apt_cache(in_memory=True, progress=None):
"""Build and return an apt cache."""
from apt import apt_pkg
apt_pkg.init()
if in_memory:
apt_pkg.config.set("Dir::Cache::pkgcache", "")
apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
return apt_pkg.Cache(progress)
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if not cur_vers:
# The package has not been installed yet do not attempt upgrade
return False
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def apt_cache(in_memory=True, progress=None):
"""Build and return an apt cache."""
from apt import apt_pkg
apt_pkg.init()
if in_memory:
apt_pkg.config.set("Dir::Cache::pkgcache", "")
apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
return apt_pkg.Cache(progress)
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if not cur_vers:
# The package has not been installed yet do not attempt upgrade
return False
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if not cur_vers:
# The package has not been installed yet do not attempt upgrade
return False
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def apt_cache(in_memory=True, progress=None):
"""Build and return an apt cache."""
from apt import apt_pkg
apt_pkg.init()
if in_memory:
apt_pkg.config.set("Dir::Cache::pkgcache", "")
apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
return apt_pkg.Cache(progress)
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if not cur_vers:
# The package has not been installed yet do not attempt upgrade
return False
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def apt_cache(in_memory=True, progress=None):
"""Build and return an apt cache."""
from apt import apt_pkg
apt_pkg.init()
if in_memory:
apt_pkg.config.set("Dir::Cache::pkgcache", "")
apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
return apt_pkg.Cache(progress)
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if not cur_vers:
# The package has not been installed yet do not attempt upgrade
return False
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def apt_cache(in_memory=True, progress=None):
"""Build and return an apt cache."""
from apt import apt_pkg
apt_pkg.init()
if in_memory:
apt_pkg.config.set("Dir::Cache::pkgcache", "")
apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
return apt_pkg.Cache(progress)
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if not cur_vers:
# The package has not been installed yet do not attempt upgrade
return False
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def apt_cache(in_memory=True, progress=None):
"""Build and return an apt cache."""
from apt import apt_pkg
apt_pkg.init()
if in_memory:
apt_pkg.config.set("Dir::Cache::pkgcache", "")
apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
return apt_pkg.Cache(progress)
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if not cur_vers:
# The package has not been installed yet do not attempt upgrade
return False
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def apt_cache(in_memory=True, progress=None):
"""Build and return an apt cache."""
from apt import apt_pkg
apt_pkg.init()
if in_memory:
apt_pkg.config.set("Dir::Cache::pkgcache", "")
apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
return apt_pkg.Cache(progress)
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if not cur_vers:
# The package has not been installed yet do not attempt upgrade
return False
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def apt_cache(in_memory=True, progress=None):
"""Build and return an apt cache."""
from apt import apt_pkg
apt_pkg.init()
if in_memory:
apt_pkg.config.set("Dir::Cache::pkgcache", "")
apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
return apt_pkg.Cache(progress)
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if not cur_vers:
# The package has not been installed yet do not attempt upgrade
return False
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def apt_cache(in_memory=True, progress=None):
"""Build and return an apt cache."""
from apt import apt_pkg
apt_pkg.init()
if in_memory:
apt_pkg.config.set("Dir::Cache::pkgcache", "")
apt_pkg.config.set("Dir::Cache::srcpkgcache", "")
return apt_pkg.Cache(progress)
def openstack_upgrade_available(package):
"""
Determines if an OpenStack upgrade is available from installation
source, based on version of installed package.
:param package: str: Name of installed package.
:returns: bool: : Returns True if configured installation source offers
a newer version of package.
"""
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
if not cur_vers:
# The package has not been installed yet do not attempt upgrade
return False
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1