def cmp_pkgrevno(package, revno, pkgcache=None):
'''Compare supplied revno with the revno of the installed package
* 1 => Installed revno is greater than supplied arg
* 0 => Installed revno is the same as supplied arg
* -1 => Installed revno is less than supplied arg
'''
from apt import apt_pkg
if not pkgcache:
from charmhelpers.fetch import apt_cache
pkgcache = apt_cache()
pkg = pkgcache[package]
return apt_pkg.version_compare(pkg.current_ver.ver_str, revno)
def setup_ipv6():
ubuntu_rel = lsb_release()['DISTRIB_CODENAME'].lower()
if CompareHostReleases(ubuntu_rel) < "trusty":
raise Exception("IPv6 is not supported in the charms for Ubuntu "
"versions less than Trusty 14.04")
from apt import apt_pkg
apt_pkg.init()
# Need haproxy >= 1.5.3 for ipv6 so for Trusty if we are <= Kilo we need to
# use trusty-backports otherwise we can use the UCA.
vc = apt_pkg.version_compare(get_pkg_version('haproxy'), '1.5.3')
if ubuntu_rel == 'trusty' and vc == -1:
add_source('deb http://archive.ubuntu.com/ubuntu trusty-backports '
'main')
apt_update(fatal=True)
apt_install('haproxy/trusty-backports', fatal=True)
def setup_ipv6():
ubuntu_rel = lsb_release()['DISTRIB_CODENAME'].lower()
if CompareHostReleases(ubuntu_rel) < "trusty":
raise Exception("IPv6 is not supported in the charms for Ubuntu "
"versions less than Trusty 14.04")
from apt import apt_pkg
apt_pkg.init()
# Need haproxy >= 1.5.3 for ipv6 so for Trusty if we are <= Kilo we need to
# use trusty-backports otherwise we can use the UCA.
vc = apt_pkg.version_compare(get_pkg_version('haproxy'), '1.5.3')
if ubuntu_rel == 'trusty' and vc == -1:
add_source('deb http://archive.ubuntu.com/ubuntu trusty-backports '
'main')
apt_update(fatal=True)
apt_install('haproxy/trusty-backports', fatal=True)
def _compress(self, filename):
"""
Compress given file.
:param str filename: The name of the file to compress.
"""
self.log.debug('Compressing %s ...', filename)
sorter = subprocess.Popen(
('apt-sortpkgs', filename + '.tmp'),
stdout=subprocess.PIPE,
)
tee = subprocess.Popen(
('tee', filename),
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
)
gzip = subprocess.Popen(
('gzip', ),
stdin=tee.stdout,
stdout=open(filename + '.gz', 'wb'),
)
tee.stdout.close()
prev = None
for pkg in Packages.iter_paragraphs(sorter.stdout):
if prev:
if prev["Package"] != pkg["Package"]:
tee.stdin.write("%s\n" % prev)
elif prev["Filename"].startswith(
'../') and not pkg["Filename"].startswith('../'):
pass
elif not prev["Filename"].startswith(
'../') and pkg["Filename"].startswith('../'):
continue
elif apt_pkg.version_compare(prev["Version"],
pkg["Version"]) >= 0:
continue
prev = pkg
if prev:
tee.stdin.write("%s\n" % prev)
tee.stdin.close()
rc_sorter, rc_tee, rc_gzip = sorter.wait(), tee.wait(), gzip.wait()
self.log.debug('sorter=%d tee=%d gzip=%d', rc_sorter, rc_tee, rc_gzip)
os.remove(filename + '.tmp')
def is_present_in(self, version):
"""Check if a security issue is present in a specific version of the package."""
return not self.fixed_version or apt_pkg.version_compare(
version, self.fixed_version) < 0
from apt import apt_pkg
a='1:1.4.0-1~12.04'
b='1:1.3.1+2SNAPSHOT20150116220343~2c07fa~devissue6273dspacemets~12.04'
vc=apt_pkg.version_compare(a,b)
print ('a=',a)
print ('b=',b)
if vc > 0:
print('version a > version b')
elif vc == 0:
print('version a == version b')
elif vc < 0:
print('version a < version b')