diff --git a/network.py b/network.py
index 45dc408..4fb70c7 100644
--- a/network.py
+++ b/network.py
@@ -516,6 +516,11 @@ class Network:
return False
def write(self, instPath='', anaconda=None):
+ preserve = False
+ if anaconda is not None:
+ if (anaconda.id.ksdata is not None) or anaconde.id.getUpgrade():
+ preserve = True
+
if len(self.netdevices.values()) == 0:
return
@@ -523,12 +528,18 @@ class Network:
netscripts = "%s/network-scripts" % (sysconfig,)
destnetwork = "%s/network" % (sysconfig,)
- if not os.path.isdir(netscripts):
+ if not os.path.isdir(netscripts) and not preserve:
iutil.mkdirChain(netscripts)
# /etc/sysconfig/network-scripts/ifcfg-*
for dev in self.netdevices.values():
device = dev.get('DEVICE')
+
+ if preserve:
+ cfgfile = "%s/ifcfg-%s" % (netscripts, device,)
+ if os.path.isfile(cfgfile):
+ continue
+
bootproto = dev.get('BOOTPROTO').lower()
ipv6addr = dev.get('IPV6ADDR').lower()
ipv6prefix = dev.get('IPV6PREFIX').lower()
@@ -600,6 +611,11 @@ class Network:
# XXX: is this necessary with NetworkManager?
# handle the keys* files if we have those
if dev.get("KEY"):
+ if preserve:
+ cfgfile = "%s/keys-%s" % (netscripts, device,)
+ if os.path.isfile(cfgfile):
+ continue
+
newkey = "%s/keys-%s.new" % (netscripts, device,)
f = open(newkey, "w")
f.write("KEY=%s\n" % (dev.get('KEY'),))
@@ -610,78 +626,80 @@ class Network:
shutil.move(newkey, destkey)
# /etc/sysconfig/network
- newnetwork = "%s.new" % (destnetwork,)
+ if not preserve or not os.path.isfile(destnetwork):
+ newnetwork = "%s.new" % (destnetwork,)
- f = open(newnetwork, "w")
- f.write("NETWORKING=yes\n")
- f.write("HOSTNAME=")
+ f = open(newnetwork, "w")
+ f.write("NETWORKING=yes\n")
+ f.write("HOSTNAME=")
- # use instclass hostname if set(kickstart) to override
- if self.hostname:
- f.write(self.hostname + "\n")
- else:
- f.write("localhost.localdomain\n")
+ # use instclass hostname if set(kickstart) to override
+ if self.hostname:
+ f.write(self.hostname + "\n")
+ else:
+ f.write("localhost.localdomain\n")
- if dev.get('GATEWAY'):
- f.write("GATEWAY=%s\n" % (dev.get('GATEWAY'),))
+ if dev.get('GATEWAY'):
+ f.write("GATEWAY=%s\n" % (dev.get('GATEWAY'),))
- if dev.get('IPV6_DEFAULTGW'):
- f.write("IPV6_DEFAULTGW=%s\n" % (dev.get('IPV6_DEFAULTGW'),))
+ if dev.get('IPV6_DEFAULTGW'):
+ f.write("IPV6_DEFAULTGW=%s\n" % (dev.get('IPV6_DEFAULTGW'),))
- f.close()
- shutil.move(newnetwork, destnetwork)
+ f.close()
+ shutil.move(newnetwork, destnetwork)
# /etc/hosts
- f = open(instPath + "/etc/hosts", "w")
-
- log.info("self.hostname = %s", self.hostname)
-
- # IP address
- ip = self.lookupHostname()
- if ip in [ "127.0.0.1", "::1" ]:
- ip = None
-
- # fqdn and hostname
- if "." in self.hostname:
- fqdn = self.hostname
- hostname = self.hostname.split('.', 1)[0]
- else:
- fqdn = socket.getfqdn(self.hostname)
- hostname = self.hostname
-
- if fqdn in [ "localhost.localdomain", "localhost",
- "localhost6.localdomain6", "localhost6", hostname ] \
- or "." not in fqdn:
- fqdn = None
-
- # domainname
- if fqdn:
- domainname = fqdn.split('.', 1)[1]
- if domainname in [ "localdomain", "localdomain6" ]:
- domainname = None
- else:
- domainname = None
-
- localline = "localhost.localdomain localhost"
- if not ip or not fqdn:
- # There is no ip or no fqdn, tie it to 127.0.0.1.
+ if not preserve or not os.path.isfile(instPath + "/etc/hosts"):
+ f = open(instPath + "/etc/hosts", "w")
+
+ log.info("self.hostname = %s", self.hostname)
+
+ # IP address
+ ip = self.lookupHostname()
+ if ip in [ "127.0.0.1", "::1" ]:
+ ip = None
+
+ # fqdn and hostname
+ if "." in self.hostname:
+ fqdn = self.hostname
+ hostname = self.hostname.split('.', 1)[0]
+ else:
+ fqdn = socket.getfqdn(self.hostname)
+ hostname = self.hostname
+
+ if fqdn in [ "localhost.localdomain", "localhost",
+ "localhost6.localdomain6", "localhost6", hostname ] \
+ or "." not in fqdn:
+ fqdn = None
+
+ # domainname
if fqdn:
- # add fqdn to 127.0.0.1
- localline += " " + fqdn
- if hostname and hostname != "localhost":
- # add short hostname to 127.0.0.1
- localline += " " + hostname
-
- f.write("# Do not remove the following line, or various programs\n")
- f.write("# that require network functionality will fail.\n")
- f.write("127.0.0.1\t\t" + localline + "\n")
- f.write("::1\t\tlocalhost6.localdomain6 localhost6\n")
+ domainname = fqdn.split('.', 1)[1]
+ if domainname in [ "localdomain", "localdomain6" ]:
+ domainname = None
+ else:
+ domainname = None
- if ip and fqdn:
- # Add an extra entry for ip, fqdn and hostname
- f.write("%s\t\t%s %s\n" % (ip, fqdn, hostname))
+ localline = "localhost.localdomain localhost"
+ if not ip or not fqdn:
+ # There is no ip or no fqdn, tie it to 127.0.0.1.
+ if fqdn:
+ # add fqdn to 127.0.0.1
+ localline += " " + fqdn
+ if hostname and hostname != "localhost":
+ # add short hostname to 127.0.0.1
+ localline += " " + hostname
+
+ f.write("# Do not remove the following line, or various programs\n")
+ f.write("# that require network functionality will fail.\n")
+ f.write("127.0.0.1\t\t" + localline + "\n")
+ f.write("::1\t\tlocalhost6.localdomain6 localhost6\n")
+
+ if ip and fqdn:
+ # Add an extra entry for ip, fqdn and hostname
+ f.write("%s\t\t%s %s\n" % (ip, fqdn, hostname))
- f.close()
+ f.close()
# If the hostname was not looked up, but typed in by the user,
# domain might not be computed, so do it now.
@@ -690,30 +708,32 @@ class Network:
self.domains = [domainname]
# /etc/resolv.conf
- if os.path.isfile('/etc/resolv.conf') and instPath != '':
- destresolv = "%s/etc/resolv.conf" % (instPath,)
- shutil.copy('/etc/resolv.conf', destresolv)
- elif (self.domains != ['localdomain'] and self.domains) or \
- self.hasNameServers(dev.info):
- resolv = "%s/etc/resolv.conf" % (instPath,)
+ if not preserve or not os.path.isfile(instPath + '/etc/resolv.conf'):
+ if os.path.isfile('/etc/resolv.conf') and instPath != '':
+ destresolv = "%s/etc/resolv.conf" % (instPath,)
+ shutil.copy('/etc/resolv.conf', destresolv)
+ elif (self.domains != ['localdomain'] and self.domains) or \
+ self.hasNameServers(dev.info):
+ resolv = "%s/etc/resolv.conf" % (instPath,)
- f = open(resolv, "w")
+ f = open(resolv, "w")
- if self.domains != ['localdomain'] and self.domains:
- f.write("search %s\n" % (string.joinfields(self.domains, ' '),))
+ if self.domains != ['localdomain'] and self.domains:
+ f.write("search %s\n" % (string.joinfields(self.domains, ' '),))
- for key in dev.info.keys():
- if key.upper().startswith('DNS'):
- f.write("nameserver %s\n" % (dev.get(key),))
+ for key in dev.info.keys():
+ if key.upper().startswith('DNS'):
+ f.write("nameserver %s\n" % (dev.get(key),))
- f.close()
+ f.close()
# /etc/udev/rules.d/70-persistent-net.rules
- if not instPath == '':
+ rules = instPath + "/etc/udev/rules.d/70-persistent-net.rules"
+ if (not instPath) and (not preserve or not os.path.isfile(rules)):
if not os.path.isdir("%s/etc/udev/rules.d" %(instPath,)):
iutil.mkdirChain("%s/etc/udev/rules.d" %(instPath,))
- f = open(instPath + "/etc/udev/rules.d/70-persistent-net.rules", "w")
+ f = open(rules, "w")
f.write("""
# This file was automatically generated by the /lib/udev/write_net_rules
# program run by the persistent-net-generator.rules rules file.
