done prettifying
[bootmanager.git] / source / steps / WriteNetworkConfig.py
index a58cc87..610bff8 100644 (file)
@@ -1,5 +1,5 @@
-#!/usr/bin/python2
-
+#!/usr/bin/python
+#
 # Copyright (c) 2003 Intel Corporation
 # All rights reserved.
 #
@@ -8,25 +8,44 @@
 # expected /proc/partitions format
 
 import os, string
+import traceback
 
-from Exceptions import *
 import utils
-import BootServerRequest
-import ModelOptions
 import urlparse
 import httplib
-import BootAPI
 
-def Run( vars, log ):
+from Exceptions import *
+import BootServerRequest
+import ModelOptions
+import BootAPI
+import plnet
+
+class BootAPIWrap:
+    def __init__(self, vars):
+        self.vars = vars
+    def call(self, func, *args):
+        return BootAPI.call_api_function(self.vars, func, args)
+    def __getattr__(self, func):
+        return lambda *args: self.call(func, *args)
+
+class logger:
+    def __init__(self, log):
+        self._log = log
+    def log(self, msg, level=3):
+        self._log.write(msg + "\n")
+    def verbose(self, msg):
+        self.log(msg, 0)
+
+def Run(vars, log):
     """
     Write out the network configuration for this machine:
     /etc/hosts
-    /etc/sysconfig/network-scripts/ifcfg-eth0
+    /etc/sysconfig/network-scripts/ifcfg-<ifname>
     /etc/resolv.conf (if applicable)
     /etc/sysconfig/network
 
     The values to be used for the network settings are to be set in vars
-    in the variable 'NETWORK_SETTINGS', which is a dictionary
+    in the variable 'INTERFACE_SETTINGS', which is a dictionary
     with keys:
 
      Key               Used by this function
@@ -47,56 +66,51 @@ def Run( vars, log ):
 
     Expect the following variables from the store:
     SYSIMG_PATH             the path where the system image will be mounted
-                            (always starts with TEMP_PATH)
-    NETWORK_SETTINGS  A dictionary of the values from the network
-                                configuration file
-    NODE_NETWORKS           All the network associated with this node
+                                (always starts with TEMP_PATH)
+    INTERFACES              All the interfaces associated with this node
+    INTERFACE_SETTINGS      dictionary 
     Sets the following variables:
     None
     """
 
-    log.write( "\n\nStep: Install: Writing Network Configuration files.\n" )
+    log.write("\n\nStep: Install: Writing Network Configuration files.\n")
 
     try:
-        SYSIMG_PATH= vars["SYSIMG_PATH"]
+        SYSIMG_PATH = vars["SYSIMG_PATH"]
         if SYSIMG_PATH == "":
-            raise ValueError, "SYSIMG_PATH"
+            raise ValueError("SYSIMG_PATH")
 
-    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
+    except KeyError as var:
+        raise BootManagerException("Missing variable in vars: {}\n".format(var))
+    except ValueError as var:
+        raise BootManagerException("Variable in vars, shouldn't be: {}\n".format(var))
 
 
     try:
-        network_settings= vars['NETWORK_SETTINGS']
-    except KeyError, e:
-        raise BootManagerException, "No network settings found in vars."
-
-    try:
-        hostname= network_settings['hostname']
-        domainname= network_settings['domainname']
-        method= network_settings['method']
-        ip= network_settings['ip']
-        gateway= network_settings['gateway']
-        network= network_settings['network']
-        netmask= network_settings['netmask']
-        dns1= network_settings['dns1']
-        mac= network_settings['mac']
-    except KeyError, e:
-        raise BootManagerException, "Missing value %s in network settings." % str(e)
+        INTERFACE_SETTINGS = vars['INTERFACE_SETTINGS']
+    except KeyError as e:
+        raise BootManagerException("No interface settings found in vars.")
 
     try:
-        dns2= ''
-        dns2= network_settings['dns2']
-    except KeyError, e:
-        pass
-
+        hostname = INTERFACE_SETTINGS['hostname']
+        domainname = INTERFACE_SETTINGS['domainname']
+        method = INTERFACE_SETTINGS['method']
+        ip = INTERFACE_SETTINGS['ip']
+        gateway = INTERFACE_SETTINGS['gateway']
+        network = INTERFACE_SETTINGS['network']
+        netmask = INTERFACE_SETTINGS['netmask']
+        dns1 = INTERFACE_SETTINGS['dns1']
+        mac = INTERFACE_SETTINGS['mac']
+    except KeyError as e:
+        raise BootManagerException("Missing value {} in interface settings.".format(e))
+
+    # dns2 is not required to be set
+    dns2 = INTERFACE_SETTINGS.get('dns2','')
 
     # Node Manager needs at least PLC_API_HOST and PLC_BOOT_HOST
     log.write("Writing /etc/planetlab/plc_config\n")
-    utils.makedirs("%s/etc/planetlab" % SYSIMG_PATH)
-    plc_config = file("%s/etc/planetlab/plc_config" % SYSIMG_PATH, "w")
+    utils.makedirs("{}/etc/planetlab".format(SYSIMG_PATH))
+    plc_config = file("{}/etc/planetlab/plc_config".format(SYSIMG_PATH), "w")
 
     api_url = vars['BOOT_API_SERVER']
     (scheme, netloc, path, params, query, fragment) = urlparse.urlparse(api_url)
@@ -107,136 +121,36 @@ def Run( vars, log ):
     else:
         port = '80'
     try:
-        log.write("getting via https://%s/PlanetLabConf/get_plc_config.php" % host)
-        bootserver = httplib.HTTPSConnection(host, port)
+        log.write("getting via https://{}/PlanetLabConf/get_plc_config.php ".format(host))
+        bootserver = httplib.HTTPSConnection(host, int(port))
         bootserver.connect()
-        bootserver.request("GET","https://%s/PlanetLabConf/get_plc_config.php" % host)
-        plc_config.write("%s" % bootserver.getresponse().read())
+        bootserver.request("GET","https://{}/PlanetLabConf/get_plc_config.php".format(host))
+        plc_config.write("{}".format(bootserver.getresponse().read()))
         bootserver.close()
+        log.write("Done\n")
     except:
-        log.write("Failed.  Using old method.")
-        bs= BootServerRequest.BootServerRequest()
+        log.write(" .. Failed.  Using old method. -- stack trace follows\n")
+        traceback.print_exc(file=log.OutputFile)
+        bs = BootServerRequest.BootServerRequest(vars)
         if bs.BOOTSERVER_CERTS:
-            print >> plc_config, "PLC_BOOT_HOST='%s'" % bs.BOOTSERVER_CERTS.keys()[0]
-        print >> plc_config, "PLC_API_HOST='%s'" % host
-        print >> plc_config, "PLC_API_PORT='%s'" % port
-        print >> plc_config, "PLC_API_PATH='%s'" % path
+            print >> plc_config, "PLC_BOOT_HOST='{}'".format(bs.BOOTSERVER_CERTS.keys()[0])
+        print >> plc_config, "PLC_API_HOST='{}'".format(host)
+        print >> plc_config, "PLC_API_PORT='{}'".format(port)
+        print >> plc_config, "PLC_API_PATH='{}'".format(path)
 
     plc_config.close()
 
 
-    log.write( "Writing /etc/hosts\n" )
-    hosts_file= file("%s/etc/hosts" % SYSIMG_PATH, "w" )    
-    hosts_file.write( "127.0.0.1       localhost\n" )
+    log.write("Writing /etc/hosts\n")
+    hosts_file = file("{}/etc/hosts".format(SYSIMG_PATH), "w")    
+    hosts_file.write("127.0.0.1       localhost\n")
     if method == "static":
-        hosts_file.write( "%s %s.%s\n" % (ip, hostname, domainname) )
+        hosts_file.write("{} {}.{}\n".format(ip, hostname, domainname))
     hosts_file.close()
-    hosts_file= None
+    hosts_file = None
     
-
-    if method == "static":
-        log.write( "Writing /etc/resolv.conf\n" )
-        resolv_file= file("%s/etc/resolv.conf" % SYSIMG_PATH, "w" )
-        if dns1 != "":
-            resolv_file.write( "nameserver %s\n" % dns1 )
-        if dns2 != "":
-            resolv_file.write( "nameserver %s\n" % dns2 )
-        resolv_file.write( "search %s\n" % domainname )
-        resolv_file.close()
-        resolv_file= None
-
-    log.write( "Writing /etc/sysconfig/network\n" )
-    network_file= file("%s/etc/sysconfig/network" % SYSIMG_PATH, "w" )
-    network_file.write( "NETWORKING=yes\n" )
-    network_file.write( "HOSTNAME=%s.%s\n" % (hostname, domainname) )
-    if method == "static":
-        network_file.write( "GATEWAY=%s\n" % gateway )
-    network_file.close()
-    network_file= None
-
-    interfaces = {}
-    interface = 1
-    for network in vars['NODE_NETWORKS']:
-        if method == "static" or method == "dhcp":
-            if network['is_primary'] == 1:
-                ifnum = 0
-            else:
-                ifnum = interface
-                interface += 1
-
-            int = {}
-            if network['mac']:
-                int['HWADDR'] = network['mac']
-
-            if network['method'] == "static":
-                int['BOOTPROTO'] = "static"
-                int['IPADDR'] = network['ip']
-                int['NETMASK'] = network['netmask']
-
-            elif network['method'] == "dhcp":
-                int['BOOTPROTO'] = "dhcp"
-                if network['hostname']:
-                    int['DHCP_HOSTNAME'] = network['hostname']
-                else:
-                    int['DHCP_HOSTNAME'] = hostname
-                if not network['is_primary']:
-                    int['DHCLIENTARGS'] = "-R subnet-mask"
-
-            alias = ""
-            ifname=None
-            if len(network['nodenetwork_setting_ids']) > 0:
-                settings = BootAPI.call_api_function(vars, "GetNodeNetworkSettings",
-                    ({'nodenetwork_setting_id': network['nodenetwork_setting_ids']},))
-                for setting in settings:
-                    # to explicitly set interface name
-                    if   setting['name'].upper() == "IFNAME":
-                        ifname=setting['value']
-                    elif setting['name'].upper() == "DRIVER":
-                        # xxx not sure how to do that yet - probably add a line in modprobe.conf
-                        pass
-                    elif setting['name'].upper() == "ALIAS":
-                        alias = ":" + setting['value']
-
-                    # a hack for testing before a new setting is hardcoded here
-                    # use the backdoor setting and put as a value 'var=value'
-                    elif setting['name'].upper() == "BACKDOOR":
-                        [var,value]=setting['value'].split('=',1)
-                        int[var]=value
-
-                    elif setting['name'].lower() in \
-                            [  "mode", "essid", "nw", "freq", "channel", "sens", "rate",
-                               "key", "key1", "key2", "key3", "key4", "securitymode", 
-                               "iwconfig", "iwpriv" ] :
-                        int [setting['name'].upper()] = setting['value']
-                        int ['TYPE']='Wireless'
-                    else:
-                        log.write("Warning - ignored setting named %s\n"%setting['name'])
-
-            if alias and 'HWADDR' in int:
-                for (dev, i) in interfaces.iteritems():
-                    if i['HWADDR'] == int['HWADDR']:
-                        break
-                del int['HWADDR']
-                interfaces[dev + alias] = int
-                interface -= 1
-            else:
-                if not ifname:
-                    ifname="eth%d" % ifnum
-                else:
-                    interface -= 1
-                interfaces[ifname] = int
-
-    for (dev, int) in interfaces.iteritems():
-        path = "%s/etc/sysconfig/network-scripts/ifcfg-%s" % (
-               SYSIMG_PATH, dev)
-        f = file(path, "w")
-        log.write("Writing %s\n" % path.replace(SYSIMG_PATH, ""))
-
-        f.write("DEVICE=%s\n" % dev)
-        f.write("ONBOOT=yes\n")
-        f.write("USERCTL=no\n")
-        for (key, val) in int.iteritems():
-            f.write('%s="%s"\n' % (key, val))
-
-        f.close()
+    data =  {'hostname': '{}.{}'.format(hostname, domainname),
+             'networks': vars['INTERFACES']}
+    plnet.InitInterfaces(logger(log), BootAPIWrap(vars), data, SYSIMG_PATH,
+                         True, "BootManager")