Re: [PATCH] virt-test: support static ip address in framework

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----- Original Message -----
> * On 2011-12-19 21:11:32 +0800, Amos Kong (akong@xxxxxxxxxx) wrote:
> > Sometime, we need to test with guest(s) which have static ip
> > address(es).
> > eg. No real/emulated DHCP server in test environment.
> > eg. Test with old image we don't want to change the net config.
> > eg. Test when DHCP exists problem.
> > 
> > This is an example of using static ip address:
> > 1. edit ifcfg-eth0 of guest to assign static IP
> >    (192.168.100.110). You can also do this by install
> >    post-script/serial.
> > 2. add and setup bridge in host
> >    # brctl addbr vbr
> >    # ifconfig vbr 192.168.100.1
> > 3. add script for setup tap device
> >    /etc/qemu-ifup-vbr
> >    | #!/bin/sh
> >    | switch=vbr
> >    | /sbin/ifconfig $1 0.0.0.0 up
> >    | /usr/sbin/brctl addif ${switch} $1
> >    | /usr/sbin/brctl setfd ${switch} 0
> >    | /usr/sbin/brctl stp ${switch} off
> > 4. assign parameters in config file and execute test as usual
> >    test.cfg:
> >    | ip_nic1 = 192.168.100.110
> >    | mac_nic1 = 11:22:33:44:55:67
> >    | bridge = vbr
> > 
> > Signed-off-by: Amos Kong <akong@xxxxxxxxxx>
> > ---
> >  client/tests/kvm/base.cfg.sample |    3 +++
> >  1 files changed, 3 insertions(+), 0 deletions(-)
> > 
> > diff --git a/client/tests/kvm/base.cfg.sample
> > b/client/tests/kvm/base.cfg.sample
> > index 411decf..c86ec1f 100644
> > --- a/client/tests/kvm/base.cfg.sample
> > +++ b/client/tests/kvm/base.cfg.sample
> > @@ -17,6 +17,9 @@ nics = nic1
> >  # Connect NIC devices to host bridge device
> >  bridge = virbr0
> >  
> > +# Tell framework of nic1's static ip address
> > +ip_nic1 = 192.168.100.110
> oops, Amos, better to comment out this line in patch, if this patch
> applied,
> all nic1 will use this static ip, it interrupts our normal testing
> process.
> Who need the static ip should add this line by himself.

Yeah, it's my fault.
Let's wait for other comments and send a v2 later.

Thanks, Amos
 
> > +
> >  # List of block device object names (whitespace seperated)
> >  images = image1
> >  # List of optical device object names
> > diff --git a/client/virt/kvm_vm.py b/client/virt/kvm_vm.py
> > index fa258c3..1fb177f 100644
> > --- a/client/virt/kvm_vm.py
> > +++ b/client/virt/kvm_vm.py
> > @@ -821,7 +821,12 @@ class VM(virt_vm.BaseVM):
> >                  if mac:
> >                      virt_utils.set_mac_address(self.instance,
> >                      vlan, mac)
> >                  else:
> > -                    virt_utils.generate_mac_address(self.instance,
> > vlan)
> > +                    mac =
> > virt_utils.generate_mac_address(self.instance, vlan)
> > +
> > +                if nic_params.get("ip"):
> > +                    self.address_cache[mac] = nic_params.get("ip")
> > +                    logging.debug("(address cache) Adding static
> > cache entry: "
> > +                                  "%s ---> %s" % (mac,
> > nic_params.get("ip")))
> >  
> >              # Assign a PCI assignable device
> >              self.pci_assignable = None
> 
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