X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=source%2Fsteps%2FReadNodeConfiguration.py;h=57e12d56c1d30c9b950a2b419104219041a91d60;hb=301b70f93100d8775e034e7c2afe59660f7e3870;hp=b1f9281d1287ba090c6d43ebdd84df789347b691;hpb=d7d45eb9ef727324735774fd42e432730f8845db;p=bootmanager.git diff --git a/source/steps/ReadNodeConfiguration.py b/source/steps/ReadNodeConfiguration.py index b1f9281..57e12d5 100644 --- a/source/steps/ReadNodeConfiguration.py +++ b/source/steps/ReadNodeConfiguration.py @@ -1,60 +1,31 @@ +#!/usr/bin/python +# # Copyright (c) 2003 Intel Corporation # All rights reserved. - -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are -# met: - -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. - -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials provided -# with the distribution. - -# * Neither the name of the Intel Corporation nor the names of its -# contributors may be used to endorse or promote products derived -# from this software without specific prior written permission. - -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL OR -# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -# EXPORT LAWS: THIS LICENSE ADDS NO RESTRICTIONS TO THE EXPORT LAWS OF -# YOUR JURISDICTION. It is licensee's responsibility to comply with any -# export regulations applicable in licensee's jurisdiction. Under -# CURRENT (May 2000) U.S. export regulations this software is eligible -# for export from the U.S. and can be downloaded by or otherwise -# exported or reexported worldwide EXCEPT to U.S. embargoed destinations -# which include Cuba, Iraq, Libya, North Korea, Iran, Syria, Sudan, -# Afghanistan and any other country to which the U.S. has embargoed -# goods and services. - +# +# Copyright (c) 2004-2006 The Trustees of Princeton University +# All rights reserved. +# expected /proc/partitions format import sys, os, traceback import string import socket +import re import utils from Exceptions import * import BootServerRequest +import BootAPI +import notify_messages +import UpdateRunLevelWithPLC # two possible names of the configuration files -NEW_CONF_FILE_NAME= "plnode.txt" -OLD_CONF_FILE_NAME= "planet.cnf" +NEW_CONF_FILE_NAME = "plnode.txt" +OLD_CONF_FILE_NAME = "planet.cnf" -def Run( vars, log ): +def Run(vars, log): """ read the machines node configuration file, which contains the node key and the node_id for this machine. @@ -62,8 +33,8 @@ def Run( vars, log ): these files can exist in several different locations with several different names. Below is the search order: - filename floppy flash cd - plnode.txt 1 2 4 (/usr/boot), 5 (/usr) + filename floppy flash ramdisk cd + plnode.txt 1 2 4 (/) 5 (/usr/boot), 6 (/usr) planet.cnf 3 The locations will be searched in the above order, plnode.txt @@ -79,240 +50,310 @@ def Run( vars, log ): and read, return 1. Expect the following variables from the store: - BOOT_CD_VERSION A tuple of the current bootcd version - SUPPORT_FILE_DIR directory on the boot servers containing - scripts and support files Sets the following variables from the configuration file: WAS_NODE_ID_IN_CONF Set to 1 if the node id was in the conf file WAS_NODE_KEY_IN_CONF Set to 1 if the node key was in the conf file NONE_ID The db node_id for this machine NODE_KEY The key for this node - NETWORK_SETTINGS A dictionary of the values from the network + INTERFACE_SETTINGS A dictionary of the values from the network configuration file. keys set: - method - ip - mac - gateway - network - broadcast - netmask - dns1 - dns2 - hostname - domainname + method IP_METHOD + ip IP_ADDRESS + mac NET_DEVICE + gateway IP_GATEWAY + network IP_NETADDR + broadcast IP_BROADCASTADDR + netmask IP_NETMASK + dns1 IP_DNS1 + dns2 IP_DNS2 + hostname HOST_NAME + domainname DOMAIN_NAME + -- wlan oriented -- + ssid WLAN_SSID + iwconfig WLAN_IWCONFIG + + the mac address is read from the machine unless it exists in the + configuration file. """ - log.write( "\n\nStep: Reading node configuration file.\n" ) + log.write("\n\nStep: Reading node configuration file.\n") # make sure we have the variables we need - try: - BOOT_CD_VERSION= vars["BOOT_CD_VERSION"] - if BOOT_CD_VERSION == "": - raise ValueError, "BOOT_CD_VERSION" - - SUPPORT_FILE_DIR= vars["SUPPORT_FILE_DIR"] - if SUPPORT_FILE_DIR == None: - raise ValueError, "SUPPORT_FILE_DIR" - - except KeyError, var: - raise BootManagerException, "Missing variable in vars: %s\n" % var - except ValueError, var: - raise BootManagerException, "Variable in vars, shouldn't be: %s\n" % var - - - NETWORK_SETTINGS= {} - NETWORK_SETTINGS['method']= "dhcp" - NETWORK_SETTINGS['ip']= "" - NETWORK_SETTINGS['mac']= "" - NETWORK_SETTINGS['gateway']= "" - NETWORK_SETTINGS['network']= "" - NETWORK_SETTINGS['broadcast']= "" - NETWORK_SETTINGS['netmask']= "" - NETWORK_SETTINGS['dns1']= "" - NETWORK_SETTINGS['dns2']= "" - NETWORK_SETTINGS['hostname']= "localhost" - NETWORK_SETTINGS['domainname']= "localdomain" - vars['NETWORK_SETTINGS']= NETWORK_SETTINGS - - vars['NODE_ID']= 0 - vars['NODE_KEY']= "" - - vars['WAS_NODE_ID_IN_CONF']= 0 - vars['WAS_NODE_KEY_IN_CONF']= 0 + + INTERFACE_SETTINGS = {} + INTERFACE_SETTINGS['method'] = "dhcp" + INTERFACE_SETTINGS['ip'] = "" + INTERFACE_SETTINGS['mac'] = "" + INTERFACE_SETTINGS['gateway'] = "" + INTERFACE_SETTINGS['network'] = "" + INTERFACE_SETTINGS['broadcast'] = "" + INTERFACE_SETTINGS['netmask'] = "" + INTERFACE_SETTINGS['dns1'] = "" + INTERFACE_SETTINGS['dns2'] = "" + INTERFACE_SETTINGS['hostname'] = "localhost" + INTERFACE_SETTINGS['domainname'] = "localdomain" + vars['INTERFACE_SETTINGS'] = INTERFACE_SETTINGS + + vars['NODE_ID'] = 0 + vars['NODE_KEY'] = "" + + vars['WAS_NODE_ID_IN_CONF'] = 0 + vars['WAS_NODE_KEY_IN_CONF'] = 0 + + vars['DISCONNECTED_OPERATION'] = '' # for any devices that need to be mounted to get the configuration # file, mount them here. - mount_point= "/tmp/conffilemount" - utils.makedirs( mount_point ) + mount_point = "/tmp/conffilemount" + utils.makedirs(mount_point) - old_conf_file_contents= None - conf_file_contents= None + old_conf_file_contents = None + conf_file_contents = None # 1. check the regular floppy device - log.write( "Checking standard floppy disk for plnode.txt file.\n" ) - - utils.sysexec_noerr( "mount -o ro -t ext2,msdos /dev/fd0 %s " \ - % mount_point, log ) + log.write("Checking standard floppy disk for plnode.txt file.\n") + + log.write("Mounting /dev/fd0 on {}\n".format(mount_point)) + utils.sysexec_noerr("mount -o ro -t ext2,msdos /dev/fd0 {} " + .format(mount_point), log) - conf_file_path= "%s/%s" % (mount_point,NEW_CONF_FILE_NAME) - if os.access( conf_file_path, os.R_OK ): + conf_file_path = "{}/{}".format(mount_point, NEW_CONF_FILE_NAME) + +# log.write("Checking for existence of {}\n".format(conf_file_path)) + if os.access(conf_file_path, os.R_OK): try: - conf_file= file(conf_file_path,"r") - conf_file_contents= conf_file.read() + conf_file = file(conf_file_path,"r") + conf_file_contents = conf_file.read() conf_file.close() - except IOError, e: + log.write("Read in contents of file {}\n".format(conf_file_path)) + except IOError as e: + log.write("Unable to read file {}\n".format(conf_file_path)) pass - utils.sysexec_noerr( "umount /dev/fd0", log ) - if __parse_configuration_file( vars, log, conf_file_contents): + utils.sysexec_noerr("umount {}".format(mount_point), log) + if __parse_configuration_file(vars, log, conf_file_contents): + log.write("ReadNodeConfiguration: [1] using {} from floppy /dev/fd0\n" + .format(NEW_CONF_FILE_NAME)) return 1 else: - raise BootManagerException( "Found configuration file plnode.txt " \ - "on floppy, but was unable to parse it." ) + raise BootManagerException("Found configuration file plnode.txt " + "on floppy, but was unable to parse it.") # try the old file name, same device. its actually number 3 on the search # order, but do it now to save mounting/unmounting the disk twice. # try to parse it later... - conf_file_path= "%s/%s" % (mount_point,OLD_CONF_FILE_NAME) - if os.access( conf_file_path, os.R_OK ): + conf_file_path = "{}/{}".format(mount_point, OLD_CONF_FILE_NAME) + +# this message really does not convey any useful information +# log.write("Checking for existence of %s (used later)\n" % conf_file_path) + if os.access(conf_file_path, os.R_OK): try: - old_conf_file= file(conf_file_path,"r") - old_conf_file_contents= old_conf_file.read() + old_conf_file = file(conf_file_path, "r") + old_conf_file_contents = old_conf_file.read() old_conf_file.close() - except IOError, e: + log.write("Read in contents of file {}\n".format(conf_file_path)) + except IOError as e: + log.write("Unable to read file {}\n".format(conf_file_path)) pass - utils.sysexec_noerr( "umount /dev/fd0", log ) + utils.sysexec_noerr("umount {}".format(mount_point), log) + # 2. check flash devices on 3.0 based cds + log.write("Checking flash devices for plnode.txt file.\n") + # this is done the same way the 3.0 cds do it, by attempting + # to mount and sd*1 devices that are removable + devices = os.listdir("/sys/block/") - if BOOT_CD_VERSION[0] == 3: - # 2. check flash devices on 3.0 based cds - log.write( "Checking flash devices for plnode.txt file.\n" ) + for device in devices: + if device[:2] != "sd": + log.write("Skipping non-scsi device {}\n".format(device)) + continue - # this is done the same way the 3.0 cds do it, by attempting - # to mount and sd*1 devices that are removable - devices= os.listdir("/sys/block/") - - for device in devices: - if device[:2] != "sd": + # test removable + removable_file_path = "/sys/block/{}/removable".format(device) + try: + removable = int(file(removable_file_path,"r").read().strip()) + except ValueError as e: + continue + except IOError as e: + continue + + if not removable: + log.write("Skipping non-removable device {}\n".format(device)) + continue + + log.write("Checking removable device {}\n".format(device)) + + partitions = file("/proc/partitions", "r") + for line in partitions: + found_file = 0 + parsed_file = 0 + + if not re.search("{}[0-9]*$".format(device), line): continue - # test removable - removable_file_path= "/sys/block/%s/removable" % device try: - removable= int(file(removable_file_path,"r").read().strip()) - except ValueError, e: - continue - except IOError, e: - continue + # major minor #blocks name + parts = string.split(line) - if not removable: + # ok, try to mount it and see if we have a conf file. + full_device = "/dev/{}".format(parts[3]) + except IndexError as e: + log.write("Incorrect /proc/partitions line:\n{}\n".format(line)) continue - log.write( "Checking removable device %s\n" % device ) - - # ok, try to mount it and see if we have a conf file. - full_device= "/dev/%s1" % device - + log.write("Mounting {} on {}\n".format(full_device, mount_point)) try: - utils.sysexec( "mount -o ro -t ext2,msdos %s %s" \ - % (full_device,mount_point), log ) - except BootManagerException, e: + utils.sysexec("mount -o ro -t ext2,msdos {} {}" + .format(full_device, mount_point), log) + except BootManagerException as e: + log.write("Unable to mount, trying next partition\n") continue - - conf_file_path= "%s/%s" % (mount_point,NEW_CONF_FILE_NAME) - if os.access( conf_file_path, os.R_OK ): + + conf_file_path = "{}/{}".format(mount_point, NEW_CONF_FILE_NAME) + + log.write("Checking for existence of {}\n".format(conf_file_path)) + if os.access(conf_file_path, os.R_OK): try: - conf_file= file(conf_file_path,"r") - conf_file_contents= conf_file.read() + conf_file = file(conf_file_path,"r") + conf_file_contents = conf_file.read() conf_file.close() - except IOError, e: - pass - - utils.sysexec_noerr( "umount %s" % full_device, log ) - if __parse_configuration_file( vars, log, conf_file_contents): - return 1 - else: - raise BootManagerException("Found configuration file plnode.txt " \ - "on floppy, but was unable to parse it.") - + found_file = 1 + log.write("Read in contents of file {}\n" + .format(conf_file_path)) + + if __parse_configuration_file(vars, log, conf_file_contents): + parsed_file = 1 + except IOError as e: + log.write("Unable to read file {}\n".format(conf_file_path)) + + utils.sysexec_noerr("umount {}".format(mount_point), log) + if found_file: + if parsed_file: + log.write("ReadNodeConfiguration: [2] using {} from partition {}\n" + .format(NEW_CONF_FILE_NAME, full_device)) + return 1 + else: + raise BootManagerException("Found configuration file on {}, " + "but was unable to parse it.".format(full_device)) + # 3. check standard floppy disk for old file name planet.cnf - log.write( "Checking standard floppy disk for planet.cnf file.\n" ) + log.write("Checking standard floppy disk for planet.cnf file (for legacy nodes).\n") if old_conf_file_contents: - if __parse_configuration_file( vars, log, old_conf_file_contents): + if __parse_configuration_file(vars, log, old_conf_file_contents): + log.write("ReadNodeConfiguration: [3] using {} from floppy /dev/fd0\n" + .format(OLD_CONF_FILE_NAME)) return 1 else: - raise BootManagerException( "Found configuration file planet.cnf " \ - "on floppy, but was unable to parse it." ) + raise BootManagerException("Found configuration file planet.cnf " + "on floppy, but was unable to parse it.") - # 4. check for plnode.txt in /usr/boot (mounted already) - log.write( "Checking /usr/boot (cd) for plnode.txt file.\n" ) + # 4. check for plnode.txt in / (ramdisk) + log.write("Checking / (ramdisk) for plnode.txt file.\n") - conf_file_path= "/usr/boot/%s" % NEW_CONF_FILE_NAME + conf_file_path = "/{}".format(NEW_CONF_FILE_NAME) + + log.write("Checking for existence of {}\n".format(conf_file_path)) if os.access(conf_file_path,os.R_OK): try: - conf_file= file(conf_file_path,"r") - conf_file_contents= conf_file.read() + conf_file = file(conf_file_path,"r") + conf_file_contents = conf_file.read() conf_file.close() - except IOError, e: - pass + log.write("Read in contents of file {}\n".format(conf_file_path)) + except IOError as e: + log.write("Unable to read file {}\n".format(conf_file_path)) + pass + + if __parse_configuration_file(vars, log, conf_file_contents): + log.write("ReadNodeConfiguration: [4] using {} from ramdisk\n" + .format(NEW_CONF_FILE_NAME)) + return 1 + else: + raise BootManagerException("Found configuration file plnode.txt " + "in /, but was unable to parse it.") + + + # 5. check for plnode.txt in /usr/boot (mounted already) + log.write("Checking /usr/boot (cd) for plnode.txt file.\n") - if __parse_configuration_file( vars, log, conf_file_contents): + conf_file_path = "/usr/boot/{}".format(NEW_CONF_FILE_NAME) + + log.write("Checking for existence of {}\n".format(conf_file_path)) + if os.access(conf_file_path,os.R_OK): + try: + conf_file = file(conf_file_path,"r") + conf_file_contents = conf_file.read() + conf_file.close() + log.write("Read in contents of file {}\n".format(conf_file_path)) + except IOError as e: + log.write("Unable to read file {}\n".format(conf_file_path)) + pass + + if __parse_configuration_file(vars, log, conf_file_contents): + log.write("ReadNodeConfiguration: [5] using {} from CD in /usr/boot\n" + .format(NEW_CONF_FILE_NAME)) return 1 else: - raise BootManagerException( "Found configuration file plnode.txt " \ + raise BootManagerException("Found configuration file plnode.txt " "in /usr/boot, but was unable to parse it.") - # 5. check for plnode.txt in /usr (mounted already) - log.write( "Checking /usr (cd) for plnode.txt file.\n" ) + # 6. check for plnode.txt in /usr (mounted already) + log.write("Checking /usr (cd) for plnode.txt file.\n") - conf_file_path= "/usr/%s" % NEW_CONF_FILE_NAME + conf_file_path = "/usr/{}".format(NEW_CONF_FILE_NAME) + + log.write("Checking for existence of {}\n".format(conf_file_path)) if os.access(conf_file_path,os.R_OK): try: - conf_file= file(conf_file_path,"r") - conf_file_contents= conf_file.read() + conf_file = file(conf_file_path,"r") + conf_file_contents = conf_file.read() conf_file.close() - except IOError, e: + log.write("Read in contents of file {}\n".format(conf_file_path)) + except IOError as e: + log.write("Unable to read file {}\n".format(conf_file_path)) pass - if __parse_configuration_file( vars, log, conf_file_contents): + if __parse_configuration_file(vars, log, conf_file_contents): + log.write("ReadNodeConfiguration: [6] using {} from /usr\n" + .format(NEW_CONF_FILE_NAME)) return 1 else: - raise BootManagerException( "Found configuration file plnode.txt " \ + raise BootManagerException("Found configuration file plnode.txt " "in /usr, but was unable to parse it.") - raise BootManagerException, "Unable to find and read a node configuration file." + raise BootManagerException("Unable to find and read a node configuration file.") -def __parse_configuration_file( vars, log, file_contents ): +def __parse_configuration_file(vars, log, file_contents): """ - parse a configuration file, set keys in var NETWORK_SETTINGS - in vars (see comment for function ReadNodeConfiguration) + parse a configuration file, set keys in var INTERFACE_SETTINGS + in vars (see comment for function ReadNodeConfiguration). this + also reads the mac address from the machine if successful parsing + of the configuration file is completed. """ - BOOT_CD_VERSION= vars["BOOT_CD_VERSION"] - SUPPORT_FILE_DIR= vars["SUPPORT_FILE_DIR"] - NETWORK_SETTINGS= vars["NETWORK_SETTINGS"] + INTERFACE_SETTINGS = vars["INTERFACE_SETTINGS"] if file_contents is None: + log.write("__parse_configuration_file called with no file contents\n") return 0 try: - line_num= 0 + line_num = 0 for line in file_contents.split("\n"): line_num = line_num + 1 @@ -322,192 +363,183 @@ def __parse_configuration_file( vars, log, file_contents ): continue # file is setup as name="value" pairs - parts= string.split(line,"=") - if len(parts) != 2: - log.write( "Invalid line %d in configuration file:\n" % line_num ) - log.write( line + "\n" ) - return 0 + parts = string.split(line, "=", 1) - name= string.strip(parts[0]) - value= string.strip(parts[1]) + name = string.strip(parts[0]) + value = string.strip(parts[1]) # make sure value starts and ends with # single or double quotes - quotes= value[0] + value[len(value)-1] + quotes = value[0] + value[len(value)-1] if quotes != "''" and quotes != '""': - log.write( "Invalid line %d in configuration file:\n" % line_num ) - log.write( line + "\n" ) + log.write("Invalid line {} in configuration file:\n".format(line_num)) + log.write(line + "\n") return 0 # get rid of the quotes around the value - value= string.strip(value[1:len(value)-1]) + value = string.strip(value[1:len(value)-1]) if name == "NODE_ID": try: - vars['NODE_ID']= int(value) - vars['WAS_NODE_ID_IN_CONF']= 1 - except ValueError, e: - log.write( "Non-numeric node_id in configuration file.\n" ) + vars['NODE_ID'] = int(value) + vars['WAS_NODE_ID_IN_CONF'] = 1 + except ValueError as e: + log.write("Non-numeric node_id in configuration file.\n") return 0 if name == "NODE_KEY": - vars['NODE_KEY']= value - vars['WAS_NODE_KEY_IN_CONF']= 1 + vars['NODE_KEY'] = value + vars['WAS_NODE_KEY_IN_CONF'] = 1 if name == "IP_METHOD": - value= string.lower(value) + value = string.lower(value) if value != "static" and value != "dhcp": - log.write( "Invalid IP_METHOD in configuration file:\n" ) - log.write( line + "\n" ) + log.write("Invalid IP_METHOD in configuration file:\n") + log.write(line + "\n") return 0 - NETWORK_SETTINGS['method']= value.strip() + INTERFACE_SETTINGS['method'] = value.strip() if name == "IP_ADDRESS": - NETWORK_SETTINGS['ip']= value.strip() + INTERFACE_SETTINGS['ip'] = value.strip() if name == "IP_GATEWAY": - NETWORK_SETTINGS['gateway']= value.strip() + INTERFACE_SETTINGS['gateway'] = value.strip() if name == "IP_NETMASK": - NETWORK_SETTINGS['netmask']= value.strip() + INTERFACE_SETTINGS['netmask'] = value.strip() if name == "IP_NETADDR": - NETWORK_SETTINGS['network']= value.strip() + INTERFACE_SETTINGS['network'] = value.strip() if name == "IP_BROADCASTADDR": - NETWORK_SETTINGS['broadcast']= value.strip() + INTERFACE_SETTINGS['broadcast'] = value.strip() if name == "IP_DNS1": - NETWORK_SETTINGS['dns1']= value.strip() + INTERFACE_SETTINGS['dns1'] = value.strip() if name == "IP_DNS2": - NETWORK_SETTINGS['dns2']= value.strip() + INTERFACE_SETTINGS['dns2'] = value.strip() if name == "HOST_NAME": - NETWORK_SETTINGS['hostname']= string.lower(value) + INTERFACE_SETTINGS['hostname'] = string.lower(value) if name == "DOMAIN_NAME": - NETWORK_SETTINGS['domainname']= string.lower(value) + INTERFACE_SETTINGS['domainname'] = string.lower(value) - except IndexError, e: - log.write( "Unable to parse configuration file\n" ) + if name == "NET_DEVICE": + INTERFACE_SETTINGS['mac'] = string.upper(value) + + if name == "DISCONNECTED_OPERATION": + vars['DISCONNECTED_OPERATION'] = value.strip() + + except IndexError as e: + log.write("Unable to parse configuration file\n") return 0 # now if we are set to dhcp, clear out any fields # that don't make sense - if NETWORK_SETTINGS["method"] == "dhcp": - NETWORK_SETTINGS["ip"]= "" - NETWORK_SETTINGS["gateway"]= "" - NETWORK_SETTINGS["netmask"]= "" - NETWORK_SETTINGS["network"]= "" - NETWORK_SETTINGS["broadcast"]= "" - NETWORK_SETTINGS["dns1"]= "" - NETWORK_SETTINGS["dns2"]= "" + if INTERFACE_SETTINGS["method"] == "dhcp": + INTERFACE_SETTINGS["ip"] = "" + INTERFACE_SETTINGS["gateway"] = "" + INTERFACE_SETTINGS["netmask"] = "" + INTERFACE_SETTINGS["network"] = "" + INTERFACE_SETTINGS["broadcast"] = "" + INTERFACE_SETTINGS["dns1"] = "" + INTERFACE_SETTINGS["dns2"] = "" + + log.write("Successfully read and parsed node configuration file.\n") + + # if the mac wasn't specified, read it in from the system. + if INTERFACE_SETTINGS["mac"] == "": + device = "eth0" + mac_addr = utils.get_mac_from_interface(device) + + if mac_addr is None: + log.write("Could not get mac address for device eth0.\n") + return 0 + INTERFACE_SETTINGS["mac"] = string.upper(mac_addr) - log.write("Successfully read and parsed node configuration file.\n" ) + log.write("Got mac address {} for device {}\n" + .format(INTERFACE_SETTINGS["mac"], device)) + - + # now, if the conf file didn't contain a node id, post the mac address + # to plc to get the node_id value if vars['NODE_ID'] is None or vars['NODE_ID'] == 0: - log.write( "Configuration file does not contain the node_id value.\n" ) - log.write( "Querying PLC for node_id.\n" ) - - bs_request= BootServerRequest.BootServerRequest() + log.write("Configuration file does not contain the node_id value.\n") + log.write("Querying PLC for node_id.\n") - try: - ifconfig_file= file("/tmp/ifconfig","r") - ifconfig= ifconfig_file.read() - ifconfig_file.close() - except IOError: - log.write( "Unable to read ifconfig output from /tmp/ifconfig\n" ) - return 0 + bs_request = BootServerRequest.BootServerRequest(vars) - postVars= {"ifconfig" : ifconfig} - result= bs_request.DownloadFile( "%s/getnodeid.php" % - SUPPORT_FILE_DIR, + postVars = {"mac_addr" : INTERFACE_SETTINGS["mac"]} + result = bs_request.DownloadFile("/boot/getnodeid.php", None, postVars, 1, 1, "/tmp/node_id") if result == 0: - log.write( "Unable to make request to get node_id.\n" ) + log.write("Unable to make request to get node_id.\n") return 0 try: - node_id_file= file("/tmp/node_id","r") - node_id= string.strip(node_id_file.read()) + node_id_file = file("/tmp/node_id","r") + node_id = string.strip(node_id_file.read()) node_id_file.close() except IOError: - log.write( "Unable to read node_id from /tmp/node_id\n" ) + log.write("Unable to read node_id from /tmp/node_id\n") return 0 try: - node_id= int(string.strip(node_id)) + node_id = int(string.strip(node_id)) except ValueError: - log.write( "Got node_id from PLC, but not numeric: %s" % str(node_id) ) + log.write("Got node_id from PLC, but not numeric: {}".format(node_id)) return 0 if node_id == -1: - log.write( "Got node_id, but it returned -1\n\n" ) - - log.write( "------------------------------------------------------\n" ) - log.write( "This indicates that this node could not be identified\n" ) - log.write( "by PLC. You will need to add the node to your site,\n" ) - log.write( "and regenerate the network configuration file.\n" ) - log.write( "See the Technical Contact guide for node setup\n" ) - log.write( "procedures.\n\n" ) - log.write( "Boot process canceled until this is completed.\n" ) - log.write( "------------------------------------------------------\n" ) + log.write("Got node_id, but it returned -1\n\n") + + log.write("------------------------------------------------------\n") + log.write("This indicates that this node could not be identified\n") + log.write("by PLC. You will need to add the node to your site,\n") + log.write("and regenerate the network configuration file.\n") + log.write("See the Technical Contact guide for node setup\n") + log.write("procedures.\n\n") + log.write("Boot process canceled until this is completed.\n") + log.write("------------------------------------------------------\n") - cancel_boot_flag= "/tmp/CANCEL_BOOT" + cancel_boot_flag = "/tmp/CANCEL_BOOT" # this will make the initial script stop requesting scripts from PLC - utils.sysexec( "touch %s" % cancel_boot_flag, log ) + utils.sysexec("touch {}".format(cancel_boot_flag), log) return 0 - log.write( "Got node_id from PLC: %s\n" % str(node_id) ) - vars['NODE_ID']= node_id + log.write("Got node_id from PLC: {}\n".format(node_id)) + vars['NODE_ID'] = node_id if vars['NODE_KEY'] is None or vars['NODE_KEY'] == "": - log.write( "Configuration file does not contain a node_key value.\n" ) - log.write( "Using boot nonce instead.\n" ) + log.write("Configuration file does not contain a node_key value.\n") + log.write("Using boot nonce instead.\n") # 3.x cds stored the file in /tmp/nonce in ascii form, so they # can be read and used directly. 2.x cds stored in the same place # but in binary form, so we need to convert it to ascii the same # way the old boot scripts did so it matches whats in the db # (php uses bin2hex, - if BOOT_CD_VERSION[0] == 2: - read_mode= "rb" - else: - read_mode= "r" + read_mode = "r" try: - nonce_file= file("/tmp/nonce",read_mode) - nonce= nonce_file.read() + nonce_file = file("/tmp/nonce",read_mode) + nonce = nonce_file.read() nonce_file.close() except IOError: - log.write( "Unable to read nonce from /tmp/nonce\n" ) + log.write("Unable to read nonce from /tmp/nonce\n") return 0 - if BOOT_CD_VERSION[0] == 2: - nonce= nonce.encode('hex') - - # there is this nice bug in the php that currently accepts the - # nonce for the old scripts, in that if the nonce contains - # null chars (2.x cds sent as binary), then - # the nonce is truncated. so, do the same here, truncate the nonce - # at the first null ('00'). This could leave us with an empty string. - nonce_len= len(nonce) - for byte_index in range(0,nonce_len,2): - if nonce[byte_index:byte_index+2] == '00': - nonce= nonce[:byte_index] - break - else: - nonce= string.strip(nonce) + nonce = string.strip(nonce) - log.write( "Read nonce, using as key.\n" ) - vars['NODE_KEY']= nonce + log.write("Read nonce, using as key.\n") + vars['NODE_KEY'] = nonce # at this point, we've read the network configuration file. @@ -516,45 +548,81 @@ def __parse_configuration_file( vars, log, file_contents ): # is needed for future api calls. # at the same time, we can check to make sure that the hostname - # in the configuration file matches the ip address. + # in the configuration file matches the ip address. if it fails + # notify the owners + + hostname = INTERFACE_SETTINGS['hostname'] + "." + \ + INTERFACE_SETTINGS['domainname'] - hostname= NETWORK_SETTINGS['hostname'] + "." + \ - NETWORK_SETTINGS['domainname'] + # set to 0 if any part of the hostname resolution check fails + hostname_resolve_ok = 1 - log.write( "Checking that hostname %s resolves\n" % hostname ) + # set to 0 if the above fails, and, we are using dhcp in which + # case we don't know the ip of this machine (without having to + # parse ifconfig or something). In that case, we won't be able + # to make api calls, so printing a message to the screen will + # have to suffice. + can_make_api_call = 1 + + log.write("Checking that hostname {} resolves\n".format(hostname)) + + # try a regular dns lookup first try: - resolved_node_ip= socket.gethostbyname(hostname) - except socket.gaierror, e: - raise BootManagerException, \ - "Configured node hostname does not resolve." - - if NETWORK_SETTINGS['method'] == "dhcp": - NETWORK_SETTINGS['ip']= resolved_node_ip - node_ip= resolved_node_ip - else: - node_ip= NETWORK_SETTINGS['ip'] + resolved_node_ip = socket.gethostbyname(hostname) + except socket.gaierror as e: + hostname_resolve_ok = 0 + - if node_ip != resolved_node_ip: - log.write( "Hostname %s does not resolve to %s, but %s:\n" % \ - (hostname,node_ip,resolved_node_ip) ) + if INTERFACE_SETTINGS['method'] == "dhcp": + if hostname_resolve_ok: + INTERFACE_SETTINGS['ip'] = resolved_node_ip + node_ip = resolved_node_ip + else: + can_make_api_call = 0 else: - log.write( "Hostname %s resolves to %s:\n" % (hostname,node_ip) ) + node_ip = INTERFACE_SETTINGS['ip'] + + # make sure the dns lookup matches what the configuration file says + if hostname_resolve_ok: + if node_ip != resolved_node_ip: + log.write("Hostname {} does not resolve to {}, but {}:\n" + .format(hostname, node_ip, resolved_node_ip)) + hostname_resolve_ok = 0 + else: + log.write("Hostname {} correctly resolves to {}:\n" + .format(hostname, node_ip)) - # 3.x cds, with a node_key on the floppy, can update their mac address - # at plc, so get it here - if BOOT_CD_VERSION[0] == 3 and vars['WAS_NODE_ID_IN_CONF'] == 1: - eth_device= "eth0" - try: - hw_addr_file= file("/sys/class/net/%s/address" % eth_device, "r") - hw_addr= hw_addr_file.read().strip().upper() - hw_addr_file.close() - except IOError, e: - raise BootmanagerException, \ - "could not get hw address for device %s" % eth_device + + vars["INTERFACE_SETTINGS"] = INTERFACE_SETTINGS - NETWORK_SETTINGS['mac']= hw_addr + if (not hostname_resolve_ok and not vars['DISCONNECTED_OPERATION'] and + 'NAT_MODE' not in vars): + log.write("Hostname does not resolve correctly, will not continue.\n") + if can_make_api_call: + log.write("Notifying contacts of problem.\n") + + vars['RUN_LEVEL'] = 'failboot' + vars['STATE_CHANGE_NOTIFY'] = 1 + vars['STATE_CHANGE_NOTIFY_MESSAGE'] = \ + notify_messages.MSG_HOSTNAME_NOT_RESOLVE + + UpdateRunLevelWithPLC.Run(vars, log) + + log.write("\n\n") + log.write("The hostname and/or ip in the network configuration\n") + log.write("file do not resolve and match.\n") + log.write("Please make sure the hostname set in the network\n") + log.write("configuration file resolves to the ip also specified\n") + log.write("there.\n\n") + log.write("Debug mode is being started on this cd. When the above\n") + log.write("is corrected, reboot the machine to try again.\n") - vars["NETWORK_SETTINGS"]= NETWORK_SETTINGS + raise BootManagerException("Configured node hostname does not resolve.") + try: + log.write("Using NODE_ID {}\n".format(vars['NODE_ID'])) + except: + log.write("Unknown NODE_ID") + return 1