def _adjust_dhcp_pool(network, dhcp_pool_start, dhcp_lease_time):
dhcp_range = 'dhcp-range=%s,%s,%s # %s'
new_entry = dhcp_range % (dhcp_pool_start,
str(network.network + network.size - 1),
str(dhcp_lease_time), str(network.cidr))
entry = "^dhcp-range=.* # " + str(network.cidr)
util.replace_regex(DNSMASQ_TEMPLATE, entry, new_entry)
def _set_pup_reboot(software_hosts_file_path, hosts_list):
"""Set 'pup_reboot' variable for all hosts. If the installer is
included as a host (for self-install) it should set 'pup_reboot=False'.
A global 'pup_reboot=True' is set for other hosts. Users could manually
set 'pup_reboot=False' on any host to prevent automatic reboots.
Args:
software_hosts_file_path (str): Path to software inventory file
host_list (list): List of hostnames or IP addresses
"""
log = logger.getlogger()
log.debug("Adding global software_hosts var 'pup_reboot=True'")
add_software_hosts_global_var(software_hosts_file_path,
"pup_reboot=True",
clear_ssh_key=False)
installer_fqdn = getfqdn()
if installer_fqdn in hosts_list:
log.debug(f"Self-install detected - '{installer_fqdn}' in software "
"hosts. Setting host var 'pup_reboot=False'")
replace_regex(software_hosts_file_path,
'(' + installer_fqdn + r'[^#.]*)\spup_reboot=\S*', r'\1')
replace_regex(software_hosts_file_path,
'(' + installer_fqdn + r')[ \t]*',
r'\1 pup_reboot=False ')
replace_regex(software_hosts_file_path, r'(pup_reboot=False)[ \t]+$',
r'\1')
def cobbler_install(config_path=None):
"""Install and configure Cobbler in container.
This function must be called within the container 'pup-venv'
python virtual environment. Cobbler will be installed within
this environment.
"""
cfg = Config(config_path)
log = logger.getlogger()
# Check to see if cobbler is already installed
try:
util.bash_cmd('cobbler check')
log.info("Cobbler is already installed")
return
except util.CalledProcessError as error:
if error.returncode == 127:
log.debug("'cobbler' command not found, continuing with "
"installation")
else:
log.warning("Cobbler is installed but not working:")
log.warning(error.output)
print("\nPress enter to remove Cobbler and attempt to ")
print("re-install, or 'T' to terminate.")
resp = input("\nEnter or 'T': ")
log.debug("User response = \'{}\'".format(resp))
if resp == 'T':
sys.exit('POWER-Up stopped at user request')
# Clone cobbler github repo
cobbler_url = URL
cobbler_branch = BRANCH
install_dir = gen.get_cobbler_install_dir()
if os.path.exists(install_dir):
log.info(
"Removing Cobbler source directory \'{}\'".format(install_dir))
util.bash_cmd('rm -rf %s' % install_dir)
log.info("Cloning Cobbler branch \'%s\' from \'%s\'" %
(cobbler_branch, cobbler_url))
repo = Repo.clone_from(cobbler_url,
install_dir,
branch=cobbler_branch,
single_branch=True)
log.info("Cobbler branch \'%s\' cloned into \'%s\'" %
(repo.active_branch, repo.working_dir))
# Modify Cobbler scrpit that write DHCP reservations so that the
# lease time is included.
dhcp_lease_time = cfg.get_globals_dhcp_lease_time()
util.replace_regex(
MANAGE_DNSMASQ, r'systxt \= systxt \+ \"\\\\n\"',
"systxt = systxt + \",{}\\\\n\"".format(dhcp_lease_time))
# Use non-secure http to download network boot-loaders
util.replace_regex(COBBLER_DLCONTENT, 'https://cobbler.github.io',
'http://cobbler.github.io')
# Use non-secure http to download signatures
util.replace_regex(COBBLER_SETTINGS_PY, 'https://cobbler.github.io',
'http://cobbler.github.io')
# Run cobbler make install
util.bash_cmd('cd %s; make install' % install_dir)
# Backup original files
util.backup_file(DNSMASQ_TEMPLATE)
util.backup_file(MODULES_CONF)
util.backup_file(COBBLER_WEB_SETTINGS)
util.backup_file(COBBLER_CONF_ORIG)
util.backup_file(COBBLER_WEB_CONF_ORIG)
util.backup_file(COBBLER_SETTINGS)
util.backup_file(PXEDEFAULT_TEMPLATE)
util.backup_file(KICKSTART_DONE)
util.backup_file(NTP_CONF)
util.backup_file(APACHE2_CONF)
# Create tftp root directory
if not os.path.exists(TFTPBOOT):
mode = 0o755
os.mkdir(TFTPBOOT, mode)
# Set IP address range to use for unrecognized DHCP clients
dhcp_range = 'dhcp-range=%s,%s,%s # %s'
util.remove_line(DNSMASQ_TEMPLATE, 'dhcp-range')
dhcp_pool_start = gen.get_dhcp_pool_start()
for index, netw_type in enumerate(cfg.yield_depl_netw_client_type()):
depl_netw_client_ip = cfg.get_depl_netw_client_cont_ip(index)
depl_netw_client_netmask = cfg.get_depl_netw_client_netmask(index)
network = IPNetwork(depl_netw_client_ip + '/' +
depl_netw_client_netmask)
entry = dhcp_range % (str(network.network + dhcp_pool_start),
str(network.network + network.size - 1),
str(dhcp_lease_time), str(network.cidr))
util.append_line(DNSMASQ_TEMPLATE, entry)
# Save PXE client network information for later
if netw_type == 'pxe':
cont_pxe_ipaddr = depl_netw_client_ip
cont_pxe_netmask = depl_netw_client_netmask
bridge_pxe_ipaddr = cfg.get_depl_netw_client_brg_ip(index)
# Configure dnsmasq to enable TFTP server
util.append_line(DNSMASQ_TEMPLATE, 'enable-tftp')
util.append_line(DNSMASQ_TEMPLATE, 'tftp-root=%s' % TFTPBOOT)
util.append_line(DNSMASQ_TEMPLATE, 'user=root')
# Configure dnsmasq to use deployer as gateway
if cfg.get_depl_gateway():
util.remove_line(DNSMASQ_TEMPLATE, 'dhcp-option')
util.append_line(DNSMASQ_TEMPLATE,
'dhcp-option=3,%s' % bridge_pxe_ipaddr)
# Cobbler modules configuration
util.replace_regex(MODULES_CONF, 'module = manage_bind',
'module = manage_dnsmasq')
util.replace_regex(MODULES_CONF, 'module = manage_isc',
'module = manage_dnsmasq')
# Copy cobbler.conf into apache2/conf-available
copy2(COBBLER_CONF_ORIG, COBBLER_CONF)
# Copy cobbler_web.conf into apache2/conf-available
copy2(COBBLER_WEB_CONF_ORIG, COBBLER_WEB_CONF)
# Apache2 configuration
util.bash_cmd('%s cobbler cobbler_web' % A2ENCONF)
util.bash_cmd('%s proxy' % A2ENMOD)
util.bash_cmd('%s proxy_http' % A2ENMOD)
# Set secret key in web settings
secret_key = _generate_random_characters()
util.replace_regex(COBBLER_WEB_SETTINGS, '^SECRET_KEY = .*',
'SECRET_KEY = "%s"' % secret_key)
# Remove "Order allow,deny" lines from cobbler configuration
regex = '.*Order allow,deny'
util.remove_line(COBBLER_CONF, regex)
util.remove_line(COBBLER_WEB_CONF, regex)
# Replace "Allow from all" with "Require all granted" in
regex = 'Allow from all'
replace = 'Require all granted'
util.replace_regex(COBBLER_CONF, regex, replace)
util.replace_regex(COBBLER_WEB_CONF, regex, replace)
# chown www-data WEBUI_SESSIONS
uid = pwd.getpwnam("www-data").pw_uid
gid = -1 # unchanged
os.chown(WEBUI_SESSIONS, uid, gid)
# Cobbler settings
util.replace_regex(COBBLER_SETTINGS, '127.0.0.1', cont_pxe_ipaddr)
util.replace_regex(COBBLER_SETTINGS, 'manage_dhcp: 0', 'manage_dhcp: 1')
util.replace_regex(COBBLER_SETTINGS, 'manage_dns: 0', 'manage_dns: 1')
util.replace_regex(COBBLER_SETTINGS, 'pxe_just_once: 0',
'pxe_just_once: 1')
globals_env_variables = cfg.get_globals_env_variables()
if globals_env_variables and 'http_proxy' in globals_env_variables:
util.replace_regex(
COBBLER_SETTINGS, 'proxy_url_ext: ""',
'proxy_url_ext: %s' % globals_env_variables['http_proxy'])
util.replace_regex(
COBBLER_SETTINGS, 'default_password_crypted:',
'default_password_crypted: '
'$1$clusterp$/gd3ep3.36A2808GGdHUz.')
# Create link to
if not os.path.exists(PY_DIST_PKGS):
util.bash_cmd('ln -s %s/cobbler %s' %
(LOCAL_PY_DIST_PKGS, PY_DIST_PKGS))
# Set PXE timeout to maximum
util.replace_regex(PXEDEFAULT_TEMPLATE, r'TIMEOUT \d+', 'TIMEOUT 35996')
util.replace_regex(PXEDEFAULT_TEMPLATE, r'TOTALTIMEOUT \d+',
'TOTALTIMEOUT 35996')
# Fix line break escape in kickstart_done snippet
util.replace_regex(KICKSTART_DONE, "\\\\nwget", "wget")
util.replace_regex(KICKSTART_DONE, r"\$saveks", "$saveks + \"; \\\\\\\"\n")
util.replace_regex(KICKSTART_DONE, r"\$runpost",
"$runpost + \"; \\\\\\\"\n")
# Copy authorized_keys ssh key file to web repo directory
copy2(ROOT_AUTH_KEYS, WWW_AUTH_KEYS)
os.chmod(WWW_AUTH_KEYS, 0o444)
# Add mgmt subnet to NTP service configuration
cont_pxe_broadcast = str(
IPNetwork(cont_pxe_ipaddr + '/' + cont_pxe_netmask).broadcast)
util.append_line(NTP_CONF, 'broadcast %s' % cont_pxe_broadcast)
# Add 'required-stop' line to cobblerd init.d to avoid warning
util.replace_regex(INITD + 'cobblerd', '### END INIT INFO',
'# Required-Stop:\n### END INIT INFO')
# Set Apache2 'ServerName'
util.append_line(APACHE2_CONF, "ServerName localhost")
# Restart services
_restart_service('ntp')
_restart_service('cobblerd')
_restart_service('apache2')
# Update Cobbler boot-loader files
util.bash_cmd('%s get-loaders' % COBBLER)
# Update cobbler list of OS signatures
util.bash_cmd('%s signature update' % COBBLER)
# Run Cobbler sync
util.bash_cmd('%s sync' % COBBLER)
# Restart services (again)
_restart_service('apache2')
_restart_service('cobblerd')
_restart_service('dnsmasq')
# Set services to start on boot
_service_start_on_boot('cobblerd')
_service_start_on_boot('ntp')
def _service_start_on_boot(service):
util.replace_regex(INITD + service, '# Default-Start:.*',
'# Default-Start: 2 3 4 5')
util.replace_regex(INITD + service, '# Default-Stop:.*',
'# Default-Stop: 0 1 6')
util.bash_cmd('update-rc.d %s defaults' % service)