def get_net_adapters(ini_file, verbose=False, quit=True):# {{{
"""Returns a list of active net addapters
:verbose: Show what is going on
:quit: Exit on err
"""
pfn(verbose=verbose)
return get_ini_options(ini_file, "net_adapters",verbose=verbose, quit=True)
def get_ini_values(ini_file, section, verbose=False, quit=True):# {{{
"""Returns all the values of a section
:conf_file: The ini configuration file
:verbose: Show what is going on
:quit: Exit on err
"""
pfn(verbose=verbose)
conf_file=ini_file # Configuration file filename
config = SafeConfigParser()
config.optionxform = str
config.read(conf_file)
if not config.has_section(section):
amd.err_msg("Inexistent section:", section, exit_code=1)
values_list=[]
opt_value_items=get_ini_items(ini_file, section)
# Converting the list of tuples into a dictionary for better parsing
opt_value_dct = dict(opt_value_items)
for opt,val in opt_value_dct.items():
values_list.append(val)
return values_list
def get_ini_value(ini_file, section, option, verbose=False, quit=True):# {{{
"""Retrieves the value of an option
:conf_file: The ini configuration file
:verbose: Show what is going on
:quit: Exit on errr
"""
pfn(verbose=verbose)
conf_file=ini_file # Configuration file filename
config = SafeConfigParser()
config.optionxform = str
config.read(conf_file)
if not config.has_section(section):
amd.err_msg("Inexistent section:", section, exit_code=1)
if not config.has_option(section, option):
amd.err_msg("Inexistent option:",
option,
"in section:",
section,
"in the file:",
ini_file,
exit_code=1)
value = config.get(section, option)
return value
def get_active_vg(ini_file, verbose=False, quit=True):# {{{
"""Returns a list of active VGs
:verbose: Show what is going on
:quit: Exit on err
"""
pfn(verbose=verbose)
return get_ini_options(ini_file, "vg_active",verbose=verbose, quit=True)
def get_active_vg_and_major(ini_file, verbose=False, quit=True):# {{{
"""Returns a list of of active VGs and their Major Numbers
:verbose: Show what is going on
:quit: Exit on err
"""
pfn(verbose=verbose)
return get_ini_items(ini_file, "vg_active",verbose=verbose, quit=True)
def get_root_homedir(ini_file, verbose=False, quit=True):# {{{
"""Returns the
:verbose: Show what is going on
:quit: Exit on err
"""
pfn(verbose=verbose)
root_home=False
root_home=get_ini_value(ini_file, "root", "home")
return root_home
def get_ame_factor(ini_file, verbose=False, quit=True):# {{{
"""Returns the Active Memory Expansion factor
:verbose: Show what is going on
:quit: Exit on err
"""
pfn(verbose=verbose)
ame=False
ame=get_ini_value(ini_file, "lparstat", "target memory expansion factor")
return ame
def get_gpfs_nsd(ini_file, verbose=False, quit=True):# {{{
"""Returns list|False: The NSD list of the gpfs
:verbose: Show what is going on
:quit: Exit on error
"""
pfn(verbose=verbose)
return get_ini_options(ini_file,
"gpfs_nsd_list",
verbose=verbose,
quit=True)
def get_Major(ini_file, vg, verbose=False, quit=True):# {{{
"""Returns a string representing the Major number of the file
:verbose: Show what is going on
:quit: Exit on err
"""
pfn(verbose=verbose)
major=False
major=get_ini_value(ini_file, "vg_active", vg)
return major
def get_gpfs_manager(ini_file, verbose=False, quit=True):# {{{
"""Returns list|False: The ip ddr/hostname of the gpfs manager
:verbose: Show what is going on
:quit: Exit on error
"""
pfn(verbose=verbose)
return get_ini_options(ini_file,
"gpfs_cluster_manager",
verbose=verbose,
quit=True)
def get_vgid(ini_file, vg, verbose=False, quit=True):# {{{
"""Returns a string representing the vgid number of the file
:verbose: Show what is going on
:quit: Exit on err
"""
pfn(verbose=verbose)
vgid=False
vgid=get_ini_value(ini_file, "vg_id", vg)
return vgid
def get_gpfs_fs_list(ini_file, verbose=False, quit=True):# {{{
"""Returns list|False: The NSD list of the gpfs
:verbose: Show what is going on
:quit: Exit on error =verbose)"""
pfn(verbose=verbose)
return get_ini_values(ini_file,
# "gpfs_mounted_fs",
"gpfs_mounted_fs",
verbose=verbose,
quit=True)
def get_ip_addrs(ini_file, section="net_addapters",verbose=False, quit=True):# {{{
"""Returns all the ip addresses
:verbose: Show what is going on
:quit: Exit on err
"""
pfn(verbose=verbose)
ip_addrs_list=[]
net_adapters_list=get_net_adapters(ini_file)
for adapter in net_adapters_list:
ip_addr = get_ini_value(ini_file, "ip_addr", adapter)
ip_addrs_list.append(ip_addr)
return ip_addrs_list
def get_ame_max_memory(ini_file, verbose=False, quit=True):# {{{
"""Returns str: the Maximum Memory in MB
:verbose: Show what is going on
:quit: Exit on err
"""
pfn(verbose=verbose)
max_mem=False
max_mem=get_ini_value(ini_file, "lparstat", "maximum memory")
if "MB" in max_mem:
max_mem=max_mem.split()[0]
return max_mem
def get_alias_addrs(ini_file, section="alias_addr",verbose=False, quit=True):# {{{
"""Returns all the IP ALIASES
:verbose: Show what is going on
:quit: Exit on err
"""
pfn(verbose=verbose)
ip_alias_list=[]
alias_items=get_ini_items(ini_file, section)
for item in alias_items:
ip_alias_list.append(item[1])
return ip_alias_list
def get_def_routes(ini_file, section="default_route",verbose=False, quit=True):# {{{
"""Returns all the Default Routes
:verbose: Show what is going on
:quit: Exit on err
"""
pfn(verbose=verbose)
default_route_list=[]
default_route=get_ini_options(ini_file, section)
for route in default_route:
if route:
default_route_list.append(route)
return default_route_list
def is_ping_reachabe(hostname,silent=False, verbose=False): # {{{
"""Checking if a host is reachable over ping"""
pfn(verbose=verbose)
if silent:
response = os.system("ping -c 1 > /dev/null " + hostname)
else:
response = os.system("ping -c 1 " + hostname)
if response == 0:
return True
else:
return False
def import_vg(vg,major,pv,verbose=False, q=True, activate=True):
"""Imports a Volume Group from a PV
:vg: The vg name: e.g. VGS230BASE
:major: The major number used for importing the vg. e.g. 100
:pv: The Phisical Volume name used to import the VG e.g. hdisk12
:v: Verbosity, show what is going on
:q: Quit on erorr: True
:returns: bools
:cmd: importvg -V 100 -y VGS230BASE hdisk5
: examples import_vg("VGS230BASE", "100", "hdisk12")
import_vg("VGS230BASE", "100", "hdisk12", verbose=2)
:Todo: Implement other importvg specific flags
"""
pfn(verbose)
if verbose:
amd.info_cyan_msg("Starting to import the Volume Group")
unix_cmd=("/usr/sbin/importvg "\
" -V {} "\
" -y {}"\
" {}"\
).format(major,vg, pv)
if verbose >= 2:
print "Debugging:unix_cmd is:{}:".format(unix_cmd) # FOR Debugging
p = subprocess.Popen(unix_cmd,\
shell=True, stdout=subprocess.PIPE,\
stderr=subprocess.STDOUT)
rc = p.wait()
# Unix_cmd has failed
if rc!=0:
if q:
amd.err_msg("Unable to import the vg:", vg, exit_code=1)
else:
if v:
amd.err_msg("Unable to import the vg:", vg,)
return False
# Unix_cmd executed successfully
elif rc==0:
if verbose >= 2:
amd.ok_msg("VG has been successfully imported:")
return True
def get_ame_target_memory(ini_file, verbose=False, quit=True):# {{{
"""Returns str: the target Memory Expansion Size MB
: This is the actual memory size of the lpar
:verbose: Show what is going on
:quit: Exit on err
"""
pfn(verbose=verbose)
target_mem=False
target_mem=get_ini_value(ini_file,
"lparstat",
"target memory expansion size")
if "MB" in target_mem:
target_mem=target_mem.split()[0]
return target_mem
def get_ini_sections(ini_file, verbose=False, quit=True):# {{{
"""Retrieves the list of sections names
:conf_file: The ini configuration file
:verbose: Show what is going on
:quit: Suppresses output
:: TODO
"""
pfn(verbose=verbose)
conf_file=ini_file # Configuration file filename
config = SafeConfigParser()
config.optionxform = str
config.read(conf_file)
return config.sections()
def compile_default_route_string(ini_file,verbose=False, quit=True):# {{{
"""Compiles default route string
#/usr/sbin/chdev -l inet0 -a route=net,-hopcount,0,,,,,,0,$gw
:conf_file: The ini configuration file : default : /space/node_ini_lpar
:returns: string
"""
pfn(verbose=verbose)
route_list=get_ini_options(ini_file, "default_route")
default_route_config_string=""
for route in route_list:
default_route_config_string +=\
"/usr/sbin/chdev -l inet0 -a route=net,-hopcount,0,,,,,,0,{}\n".\
format(route)
return default_route_config_string
def compile_ip_alias_string(ini_file,verbose=False, quit=True):# {{{
"""Compiles the ip Alias configuration and returns a string
# /usr/sbin/chdev -l en2 -a alias4=164.139.216.14,255.255.255.128
:conf_file: The ini configuration file : default : /space/node_ini_lpar
:returns: string
"""
pfn(verbose=verbose)
adapter_list=get_ini_options(ini_file, "alias_addr")
alias_config_string=""
for adapter in adapter_list:
ip = get_ini_value(ini_file, "alias_addr", adapter)
mask = get_ini_value(ini_file, "alias_netmask", adapter)
alias_config_string +=\
"/usr/sbin/chdev -l {} -a alias4={},{}\n".\
format(adapter, ip, mask)
return alias_config_string
def compile_ip_string(ini_file,verbose=False, quit=True):# {{{
"""Compiles the ip configuration and returns a string
# /usr/sbin/chdev -l $dev -a netaddr=$addr -a netmask=$mask -a state=$state 2>&1)
:conf_file: The ini configuration file : default : /space/node_ini_lpar
:returns: string
"""
pfn(verbose=verbose)
adapter_list=get_ini_options(ini_file, "ip_addr")
ip_config_string=""
for adapter in adapter_list:
ip = get_ini_value(ini_file, "ip_addr", adapter)
mask = get_ini_value(ini_file, "ip_netmask", adapter)
ip_config_string +=\
"/usr/sbin/chdev -l {} -a netaddr={} -a netmask={} -a state=up \n".\
format(adapter, ip, mask)
return ip_config_string
def get_ini_options(ini_file, section, verbose=False, quit=True):# {{{
"""Retrieves the options of a given section name
:conf_file: The ini configuration file
:verbose: Show what is going on
:quit: Exit on errr
:returns: list
"""
pfn(verbose=verbose)
conf_file=ini_file # Configuration file filename
config = SafeConfigParser()
config.optionxform = str
config.read(conf_file)
if not config.has_section(section):
amd.err_msg("Inexistent section:", section, exit_code=1)
option_list=config.options(section)
return option_list
