--- /dev/null
+#!/usr/bin/python
+#
+# Copyright (c) 2003 Intel Corporation
+# All rights reserved.
+#
+# 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"
+
+
+def Run( vars, log ):
+ """
+ read the machines node configuration file, which contains
+ the node key and the node_id for this machine.
+
+ these files can exist in several different locations with
+ several different names. Below is the search order:
+
+ 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
+ will be checked first, then planet.cnf. Flash devices will only
+ be searched on 3.0 cds.
+
+ Because some of the earlier
+ boot cds don't validate the configuration file (which results
+ in a file named /tmp/planet-clean.cnf), and some do, lets
+ bypass this, and mount and attempt to read in the conf
+ file ourselves. If it doesn't exist, we cannot continue, and a
+ BootManagerException will be raised. If the configuration file is found
+ and read, return 1.
+
+ Expect the following variables from the store:
+
+ 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
+ INTERFACE_SETTINGS A dictionary of the values from the network
+ configuration file. keys set:
+ 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" )
+
+
+ # make sure we have the variables we need
+
+ 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 )
+
+ 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" )
+
+ log.write( "Mounting /dev/fd0 on %s\n" % mount_point )
+ utils.sysexec_noerr( "mount -o ro -t ext2,msdos /dev/fd0 %s " \
+ % mount_point, log )
+
+ conf_file_path= "%s/%s" % (mount_point,NEW_CONF_FILE_NAME)
+
+# log.write( "Checking for existence of %s\n" % 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 %s\n" % conf_file_path )
+ except IOError, e:
+ log.write( "Unable to read file %s\n" % conf_file_path )
+ pass
+
+ utils.sysexec_noerr( "umount %s" % mount_point, log )
+ if __parse_configuration_file( vars, log, conf_file_contents):
+ log.write("ReadNodeConfiguration: [1] using %s from floppy /dev/fd0\n"%NEW_CONF_FILE_NAME)
+ return 1
+ else:
+ 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)
+
+# 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.close()
+ log.write( "Read in contents of file %s\n" % conf_file_path )
+ except IOError, e:
+ log.write( "Unable to read file %s\n" % conf_file_path )
+ pass
+
+ utils.sysexec_noerr( "umount %s" % 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/")
+
+ for device in devices:
+ if device[:2] != "sd":
+ log.write( "Skipping non-scsi device %s\n" % device )
+ 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
+
+ if not removable:
+ log.write( "Skipping non-removable device %s\n" % device )
+ continue
+
+ log.write( "Checking removable device %s\n" % device )
+
+ partitions= file("/proc/partitions", "r")
+ for line in partitions:
+ found_file= 0
+ parsed_file= 0
+
+ if not re.search("%s[0-9]*$" % device, line):
+ continue
+
+ try:
+ # major minor #blocks name
+ parts= string.split(line)
+
+ # ok, try to mount it and see if we have a conf file.
+ full_device= "/dev/%s" % parts[3]
+ except IndexError, e:
+ log.write( "Incorrect /proc/partitions line:\n%s\n" % line )
+ continue
+
+ log.write( "Mounting %s on %s\n" % (full_device,mount_point) )
+ try:
+ utils.sysexec( "mount -o ro -t ext2,msdos %s %s" \
+ % (full_device,mount_point), log )
+ except BootManagerException, e:
+ log.write( "Unable to mount, trying next partition\n" )
+ continue
+
+ conf_file_path= "%s/%s" % (mount_point,NEW_CONF_FILE_NAME)
+
+ log.write( "Checking for existence of %s\n" % 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()
+ found_file= 1
+ log.write( "Read in contents of file %s\n" % \
+ conf_file_path )
+
+ if __parse_configuration_file( vars, log, conf_file_contents):
+ parsed_file= 1
+ except IOError, e:
+ log.write( "Unable to read file %s\n" % conf_file_path )
+
+ utils.sysexec_noerr( "umount %s" % mount_point, log )
+ if found_file:
+ if parsed_file:
+ log.write("ReadNodeConfiguration: [2] using %s from partition %s\n"%\
+ (NEW_CONF_FILE_NAME,full_device))
+ return 1
+ else:
+ raise BootManagerException( \
+ "Found configuration file on %s, but was unable to parse it."%full_device)
+
+
+
+ # 3. check standard floppy disk for old file name planet.cnf
+ 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):
+ log.write("ReadNodeConfiguration: [3] using %s from floppy /dev/fd0\n"%OLD_CONF_FILE_NAME)
+ return 1
+ else:
+ raise BootManagerException( "Found configuration file planet.cnf " \
+ "on floppy, but was unable to parse it." )
+
+
+ # 4. check for plnode.txt in / (ramdisk)
+ log.write( "Checking / (ramdisk) for plnode.txt file.\n" )
+
+ conf_file_path= "/%s" % NEW_CONF_FILE_NAME
+
+ log.write( "Checking for existence of %s\n" % 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 %s\n" % conf_file_path )
+ except IOError, e:
+ log.write( "Unable to read file %s\n" % conf_file_path )
+ pass
+
+ if __parse_configuration_file( vars, log, conf_file_contents):
+ log.write("ReadNodeConfiguration: [4] using %s from ramdisk\n"%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" )
+
+ conf_file_path= "/usr/boot/%s" % NEW_CONF_FILE_NAME
+
+ log.write( "Checking for existence of %s\n" % 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 %s\n" % conf_file_path )
+ except IOError, e:
+ log.write( "Unable to read file %s\n" % conf_file_path )
+ pass
+
+ if __parse_configuration_file( vars, log, conf_file_contents):
+ log.write("ReadNodeConfiguration: [5] using %s from CD in /usr/boot\n"%NEW_CONF_FILE_NAME)
+ return 1
+ else:
+ raise BootManagerException( "Found configuration file plnode.txt " \
+ "in /usr/boot, but was unable to parse it.")
+
+
+
+ # 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
+
+ log.write( "Checking for existence of %s\n" % 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 %s\n" % conf_file_path )
+ except IOError, e:
+ log.write( "Unable to read file %s\n" % conf_file_path )
+ pass
+
+ if __parse_configuration_file( vars, log, conf_file_contents):
+ log.write("ReadNodeConfiguration: [6] using %s from /usr\n"%NEW_CONF_FILE_NAME)
+ return 1
+ else:
+ 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."
+
+
+
+
+def __parse_configuration_file( vars, log, file_contents ):
+ """
+ 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.
+ """
+
+ 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
+ for line in file_contents.split("\n"):
+
+ line_num = line_num + 1
+
+ # if its a comment or a whitespace line, ignore
+ if line[:1] == "#" or string.strip(line) == "":
+ continue
+
+ # file is setup as name="value" pairs
+ parts= string.split(line, "=", 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]
+ if quotes != "''" and quotes != '""':
+ log.write( "Invalid line %d in configuration file:\n" % line_num )
+ log.write( line + "\n" )
+ return 0
+
+ # get rid of the quotes around the value
+ 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" )
+ return 0
+
+ if name == "NODE_KEY":
+ vars['NODE_KEY']= value
+ vars['WAS_NODE_KEY_IN_CONF']= 1
+
+ if name == "IP_METHOD":
+ value= string.lower(value)
+ if value != "static" and value != "dhcp":
+ log.write( "Invalid IP_METHOD in configuration file:\n" )
+ log.write( line + "\n" )
+ return 0
+ INTERFACE_SETTINGS['method']= value.strip()
+
+ if name == "IP_ADDRESS":
+ INTERFACE_SETTINGS['ip']= value.strip()
+
+ if name == "IP_GATEWAY":
+ INTERFACE_SETTINGS['gateway']= value.strip()
+
+ if name == "IP_NETMASK":
+ INTERFACE_SETTINGS['netmask']= value.strip()
+
+ if name == "IP_NETADDR":
+ INTERFACE_SETTINGS['network']= value.strip()
+
+ if name == "IP_BROADCASTADDR":
+ INTERFACE_SETTINGS['broadcast']= value.strip()
+
+ if name == "IP_DNS1":
+ INTERFACE_SETTINGS['dns1']= value.strip()
+
+ if name == "IP_DNS2":
+ INTERFACE_SETTINGS['dns2']= value.strip()
+
+ if name == "HOST_NAME":
+ INTERFACE_SETTINGS['hostname']= string.lower(value)
+
+ if name == "DOMAIN_NAME":
+ INTERFACE_SETTINGS['domainname']= string.lower(value)
+
+ if name == "NET_DEVICE":
+ INTERFACE_SETTINGS['mac']= string.upper(value)
+
+ if name == "DISCONNECTED_OPERATION":
+ vars['DISCONNECTED_OPERATION']= value.strip()
+
+ except IndexError, 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 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( "Got mac address %s for device %s\n" %
+ (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(vars)
+
+ 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" )
+ return 0
+
+ try:
+ 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" )
+ return 0
+
+ try:
+ node_id= int(string.strip(node_id))
+ except ValueError:
+ log.write( "Got node_id from PLC, but not numeric: %s" % str(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" )
+
+ 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 )
+
+ return 0
+
+ log.write( "Got node_id from PLC: %s\n" % str(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" )
+
+ # 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,
+ read_mode= "r"
+
+ try:
+ 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" )
+ return 0
+
+ nonce= string.strip(nonce)
+
+ log.write( "Read nonce, using as key.\n" )
+ vars['NODE_KEY']= nonce
+
+
+ # at this point, we've read the network configuration file.
+ # if we were setup using dhcp, get this system's current ip
+ # address and update the vars key ip, because it
+ # 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. if it fails
+ # notify the owners
+
+ hostname= INTERFACE_SETTINGS['hostname'] + "." + \
+ INTERFACE_SETTINGS['domainname']
+
+ # set to 0 if any part of the hostname resolution check fails
+ hostname_resolve_ok= 1
+
+ # 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 %s resolves\n" % hostname )
+
+ # try a regular dns lookup first
+ try:
+ resolved_node_ip= socket.gethostbyname(hostname)
+ except socket.gaierror, e:
+ hostname_resolve_ok= 0
+
+
+ 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:
+ 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 %s does not resolve to %s, but %s:\n" % \
+ (hostname,node_ip,resolved_node_ip) )
+ hostname_resolve_ok= 0
+ else:
+ log.write( "Hostname %s correctly resolves to %s:\n" %
+ (hostname,node_ip) )
+
+
+ vars["INTERFACE_SETTINGS"]= INTERFACE_SETTINGS
+
+ 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" )
+
+ raise BootManagerException, \
+ "Configured node hostname does not resolve."
+
+ try:
+ log.write("Using NODE_ID %d\n"%vars['NODE_ID'])
+ except:
+ log.write("Unknown NODE_ID")
+
+ return 1
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