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Go Back   Linux Archive > Redhat > Fedora/Linux Management Tools

 
 
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Old 08-04-2008, 07:06 PM
 
Default multiple nic support for virt-image. Added support to allow multiple

# HG changeset patch
# User bkearney@localhost.localdomain
# Date 1217876425 14400
# Node ID b75270d46d5c71e582ca4e850716dace951badb5
# Parent 6a207373b908ab521d33cd675c7c8d3854bdc1f1
multiple nic support for virt-image. Added support to allow multiple
interface elements in the virt-image.xml. The command line can specify
any number of -w or -b elements and the tool will add default networks
up to the number of nics specified. It is assumbed that eth0 is the first
item specified.

diff -r 6a207373b908 -r b75270d46d5c doc/image.rng
--- a/doc/image.rng Tue Jul 29 11:21:07 2008 -0400
+++ b/doc/image.rng Mon Aug 04 15:00:25 2008 -0400
@@ -47,8 +47,10 @@
<element name="vcpu"><ref name="countCPU"/></element>
<!-- Size of memory (in kB) -->
<element name="memory"><ref name="memoryKB"/></element>
- <!-- Whether the VM should have a network interface -->
- <element name="interface"><empty/></element>
+ <!--The number of network interfaces which should exist -->
+ <zeroOrMore>
+ <element name="interface"><empty/></element>
+ </zeroOrMore>
<!-- Whether the VM has a graphical interface -->
<element name="graphics"><empty/></element>
</element>
diff -r 6a207373b908 -r b75270d46d5c virt-image
--- a/virt-image Tue Jul 29 11:21:07 2008 -0400
+++ b/virt-image Mon Aug 04 15:00:25 2008 -0400
@@ -59,17 +59,13 @@
cli.get_vcpus(vcpus, check_cpu, guest, conn)

def get_networks(domain, macs, bridges, networks, guest):
- (macs, networks) = cli.digest_networks(macs, bridges, networks)
-
- nnics = 0
- if domain.interface:
- nnics = 1
+ (macs, networks) = cli.digest_networks(macs, bridges, networks, domain.interface)

if nnics == 0 and len(networks) > 0:
print >> sys.stderr, _("Warning: image does not support networking, ignoring network related options")
return
- elif nnics == 1 and len(networks) == 0:
- fail(_("The image needs one network interface"))
+ elif nnics > len(networks) :
+ fail(_("The image requires %i network interface") % nnics)

map(lambda m, n: cli.get_network(m, n, guest), macs, networks)

diff -r 6a207373b908 -r b75270d46d5c virtinst/ImageParser.py
--- a/virtinst/ImageParser.py Tue Jul 29 11:21:07 2008 -0400
+++ b/virtinst/ImageParser.py Mon Aug 04 15:00:25 2008 -0400
@@ -90,7 +90,7 @@
self.boots = []
self.vcpu = None
self.memory = None
- self.interface = None
+ self.interface = 0
self.graphics = None
if not node is None:
self.parseXML(node)
@@ -99,7 +99,7 @@
self.boots = [ Boot(b) for b in node.xpathEval("boot") ]
self.vcpu = xpathString(node, "devices/vcpu", 1)
self.memory = xpathString(node, "devices/memory")
- self.interface = node.xpathEval("count(devices/interface)") > 0
+ self.interface = node.xpathEval("count(devices/interface)")
self.graphics = node.xpathEval("count(devices/graphics)") > 0

# FIXME: There must be a better way to check this
diff -r 6a207373b908 -r b75270d46d5c virtinst/UnWare.py
--- a/virtinst/UnWare.py Tue Jul 29 11:21:07 2008 -0400
+++ b/virtinst/UnWare.py Mon Aug 04 15:00:25 2008 -0400
@@ -143,7 +143,9 @@
self.label = image.label
self.vcpu = domain.vcpu
self.memory = domain.memory
- self.interface = domain.interface
+ # Make this a boolean based on the existence of one or more
+ # interfaces in the domain
+ self.interface = domain.interface > 0

self.disks = []
for d in boot.drives:
diff -r 6a207373b908 -r b75270d46d5c virtinst/cli.py
--- a/virtinst/cli.py Tue Jul 29 11:21:07 2008 -0400
+++ b/virtinst/cli.py Mon Aug 04 15:00:25 2008 -0400
@@ -262,41 +262,41 @@
fail(_("Unknown network type ") + network)
guest.nics.append(n)

-def digest_networks(macs, bridges, networks):
+def digest_networks(macs, bridges, networks, nics = 1):
if type(bridges) != list and bridges != None:
bridges = [ bridges ]

if type(macs) != list and macs != None:
macs = [ macs ]
+ elif macs is None:
+ macs = []

if type(networks) != list and networks != None:
networks = [ networks ]
+ elif networks is None:
+ networks = []

if bridges is not None and networks != None:
fail(_("Cannot mix both --bridge and --network arguments"))

- # ensure we have equal length lists
+
if bridges != None:
networks = map(lambda b: "bridge:" + b, bridges)
-
- if networks != None:
- if macs != None:
- if len(macs) != len(networks):
- fail(_("Need to pass equal numbers of networks & mac addresses"))
- else:
- macs = [ None ] * len(networks)
- else:
- if os.getuid() == 0:
- net = util.default_network()
- networks = [net[0] + ":" + net[1]]
- else:
- networks = ["user"]
- if macs != None:
- if len(macs) > 1:
- fail(_("Need to pass equal numbers of networks & mac addresses"))
- else:
- macs = [ None ]
-
+
+ # ensure we have equal length lists
+ if len(macs) != len(networks):
+ fail(_("Need to pass equal numbers of networks & mac addresses"))
+
+ # Create extra networks up to the number of nics requested
+ if len(macs) < nics:
+ for cnt in range(len(macs),nics):
+ if os.getuid() == 0:
+ net = util.default_network()
+ networks.append(net[0] + ":" + net[1])
+ else:
+ networks.append("user")
+ macs.append(None)
+
return (macs, networks)

def get_graphics(vnc, vncport, nographics, sdl, keymap, guest):

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