[et-mgmt-tools] [PATCH] Multiple nic patch with DLutterkort's second comments applied
bkearney at redhat.com
bkearney at redhat.com
Wed Aug 6 17:59:40 UTC 2008
# HG changeset patch
# User bkearney at localhost.localdomain
# Date 1217876425 14400
# Node ID f66deca582937dc181192bdec177ad4b2153c6c2
# 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 eth1 is the second, etc. The user can also specify any number mac address up to the number of networks specified. If they specify less, then they are auto assigned
diff -r 6a207373b908 -r f66deca58293 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 f66deca58293 tests/image.py
--- a/tests/image.py Tue Jul 29 11:21:07 2008 -0400
+++ b/tests/image.py Mon Aug 04 15:00:25 2008 -0400
@@ -31,7 +31,16 @@
self.assertTrue(img.domain)
self.assertEqual(5, len(img.storage))
self.assertEqual(2, len(img.domain.boots))
+ self.assertEqual(1, img.domain.interface)
boot = img.domain.boots[0]
self.assertEqual("xvdb", boot.drives[1].target)
+
+ def testMultipleNics(self):
+ file = open(os.path.join("tests", "image2nics.xml"), "r")
+ xml = file.read()
+ file.close()
+
+ img = virtinst.ImageParser.parse(xml, ".")
+ self.assertEqual(2, img.domain.interface)
if __name__ == "__main__":
unittest.main()
diff -r 6a207373b908 -r f66deca58293 tests/image.xml
--- a/tests/image.xml Tue Jul 29 11:21:07 2008 -0400
+++ b/tests/image.xml Mon Aug 04 15:00:25 2008 -0400
@@ -28,10 +28,12 @@
<drive disk="data.raw" target="hdb"/>
<drive disk="scratch.raw" target="hdd"/>
</boot>
- <vcpu>7</vcpu>
- <memory>262144</memory>
- <interface/>
- <graphics/>
+ <devices>
+ <vcpu>7</vcpu>
+ <memory>262144</memory>
+ <interface/>
+ <graphics/>
+ </devices>
</domain>
<storage>
<disk file="disk.img"/>
diff -r 6a207373b908 -r f66deca58293 tests/image2nics.xml
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/image2nics.xml Mon Aug 04 15:00:25 2008 -0400
@@ -0,0 +1,49 @@
+<image>
+ <name>test-image</name>
+ <label>A simple test image</label>
+ <domain>
+ <boot type='xen'>
+ <guest>
+ <os_type>xen</os_type>
+ <arch>i386</arch>
+ <features><pae/></features>
+ </guest>
+ <os>
+ <loader>pygrub</loader>
+ </os>
+ <drive disk="root.raw" target="xvda"/>
+ <drive disk="data.raw" target="xvdb"/>
+ <drive disk="scratch.raw" target="xvdc"/>
+ </boot>
+ <boot type="hvm">
+ <guest>
+ <arch>i686</arch>
+ <features><pae/></features>
+ </guest>
+ <os>
+ <type>hvm</type>
+ <loader dev="hd"/>
+ </os>
+ <drive disk="root.raw" target="hda"/>
+ <drive disk="data.raw" target="hdb"/>
+ <drive disk="scratch.raw" target="hdd"/>
+ </boot>
+ <devices>
+ <vcpu>7</vcpu>
+ <memory>262144</memory>
+ <interface/>
+ <interface/>
+ <graphics/>
+ </devices>
+ </domain>
+ <storage>
+ <disk file="disk.img"/>
+ <disk size="4096" use="system">
+ <partition file="boot.img"/>
+ <partition file="root.img"/>
+ </disk>
+ <disk file="root.raw" format="raw" size="4096" use="system"/>
+ <disk file="data.raw" format="raw" size='2048' use="data"/>
+ <disk file="scratch.raw" format="raw" size='100' use='scratch'/>
+ </storage>
+</image>
diff -r 6a207373b908 -r f66deca58293 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 +59,15 @@
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 = domain.interface
+ (macs, networks) = cli.digest_networks(macs, bridges, networks, nnics)
- nnics = 0
- if domain.interface:
- nnics = 1
-
- 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"))
+ if len(networks) > nnics:
+ print >> sys.stderr, (_("Warning: more networks were provided [%i] then nics required [%i]. All extras are ignored") % (len(networks), nnics))
+ networks = networks[0:nnics]
+ macs = macs [0:nnics]
+ 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 f66deca58293 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 = int(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 f66deca58293 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 f66deca58293 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 +262,46 @@
fail(_("Unknown network type ") + network)
guest.nics.append(n)
-def digest_networks(macs, bridges, networks):
+def digest_networks(macs, bridges, networks, nics = 0):
if type(bridges) != list and bridges != None:
bridges = [ bridges ]
- if type(macs) != list and macs != None:
+ if macs is None:
+ macs = []
+ elif type(macs) != list:
macs = [ macs ]
-
- if type(networks) != list and networks != None:
- networks = [ networks ]
+
+ if networks is None:
+ networks = []
+ elif type(networks) != list:
+ networks = [ macs ]
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)
+
+ # ensure we have less macs then networks. Auto fill in the remaining
+ # macs
+ if len(macs) > len(networks):
+ fail(_("Need to pass equal numbers of networks & mac addresses"))
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 ]
-
+ for cnt in range (len(macs),len(networks)):
+ macs.append(None)
+
+
+ # 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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