def parse_el_release(self):
"""
Heuristic garbage
:return:
"""
release_info = dict()
if not self.has_redhat_release:
return release_info
data = deployment.read(self.join_root(self.release_file))
data = data.strip()
try:
if 'oracle' in self.release_file:
version = data.split()[-1]
else:
release_info['codename'] = data.split()[-1].strip('()')
version = data.split()[-2]
release_info['version'] = version
# Sometimes need short version, not ones like '7.1.1503'
# so splitting and then joining [0:2] to get '7.1'
release_info['short_version'] = '.'.join(version.split('.')[:2])
# Also need major version, like '7'
# rather than short_version like '7.1'
release_info['major_version'] = version.split('.')[0]
release_info['os'] = data.split('release')[0].strip()
except IndexError:
log.error('Error parsing {} release file'.format(
self.release_file))
return release_info
def update_grub_configuration(self, match, newvalue):
grub_configuration = deployment.read(
self.join_root(self.grub2_cmdline_config_path))
log.info('Setting {} in {}'.format(newvalue,
self.grub2_cmdline_config_path))
updated_grub_configuration = deployment.replace_line_matching(
grub_configuration, match, newvalue)
deployment.write(
self.join_root(self.grub2_cmdline_config_path),
updated_grub_configuration)
def copy_udev_rules(self, create_if_missing=False):
rules_file = '/etc/udev/rules.d/70-persistent-net.rules'
if not os.path.exists(rules_file):
log.warn('Host 70-persistent-net.rules is missing')
if create_if_missing:
log.info('Generating 70-persistent-net.rules')
deployment.write(
self.join_root(rules_file),
"\n\n".join(self.generate_udev_rules()) + "\n")
return
deployment.write(self.join_root(rules_file),
deployment.read(rules_file))
def update_kernel_parameters(self):
"""
A little hacktastic
:return:
"""
appending = self.kernel_parameters.get('append', list())
removing = self.kernel_parameters.get('remove', list())
modifying = self.kernel_parameters.get('modify', list())
if not (appending or removing):
return
full_path = self.join_root(self.grub_cmdline_config_path)
if not os.path.exists(full_path):
log.warn('Grub configuration is missing from image')
return
data = deployment.read(full_path, splitlines=True)
modified = False
for idx in range(len(data)):
line = data[idx]
line = line.strip()
if line and line[0] == '#':
continue
# grub1 is not smart to find efi partition,
# have to force it to find.
if self.default_grub_root_partition in line and sysfs_info.has_efi(
):
if modifying:
data[idx] = util.misc.replace_grub_root_partition(
line, self.default_grub_root_partition, modifying[0])
modified = True
continue
if self.grub_cmdline_name in line:
data[idx] = util.misc.opts_modifier(line,
appending,
removing,
quoted=False)
log.debug('{} > {}'.format(line, data[idx]))
modified = True
continue
if modified:
log.info('Updating {}'.format(self.grub_cmdline_config_path))
deployment.replace_file(full_path, '\n'.join(data) + '\n')
else:
log.warn('Grub configuration was not updated, no matches!')
def set_hostname(self):
network_configuration = self.press_configuration.get(
'networking', dict())
hostname = network_configuration.get('hostname')
if not hostname:
log.warn('Hostname not defined')
return
log.info('Setting hostname: %s' % hostname)
sysconfig_network = deployment.read(
self.join_root('/etc/sysconfig/network'))
updated_sysconfig_network = deployment.replace_line_matching(
sysconfig_network, 'HOSTNAME', 'HOSTNAME=%s' % hostname)
deployment.write(self.join_root('/etc/sysconfig/network'),
updated_sysconfig_network)
deployment.write(self.join_root('/etc/hostname'), hostname + '\n')
def update_kernel_parameters(self):
"""
A little hacktastic
:return:
"""
appending = self.kernel_parameters.get('append', list())
removing = self.kernel_parameters.get('remove', list())
if not (appending or removing):
return
full_path = self.join_root(self.grub2_cmdline_config_path)
if not os.path.exists(full_path):
log.warn('Grub configuration is missing from image')
return
data = deployment.read(full_path, splitlines=True)
modified = False
for idx in range(len(data)):
line = data[idx]
line = line.strip()
if line and line[0] == '#':
continue
if self.grub2_cmdline_name in line:
data[idx] = util.misc.opts_modifier(line, appending, removing)
log.debug('%s > %s' % (line, data[idx]))
modified = True
continue
if modified:
log.info('Updating %s' % self.grub2_cmdline_config_path)
deployment.replace_file(full_path, '\n'.join(data) + '\n')
else:
log.warn('Grub configuration was not updated, no matches!')
def copy_resolvconf(self):
if not os.path.exists('/etc/resolv.conf'):
log.warn('Host resolv.conf is missing')
return
deployment.write(self.join_root('/etc/resolv.conf'),
deployment.read('/etc/resolv.conf'))