Better ovs support in NIC configuration scripts
Better ovs support in NIC configuration scripts

Make setup_ovs() function in net-common library to use
exported VLAN variable. Use it to set port's tag and trunks.

Signed-off-by: Dimitris Aragiorgis <4514117c4a99256e19437c7e3407c4ecbf98aec0@grnet.gr>
Signed-off-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>
Reviewed-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>

ganeti/ganeti,dimara/ganeti,leshchevds/ganeti,bitemyapp/ganeti,andir/ganeti,andir/ganeti,onponomarev/ganeti,grnet/snf-ganeti,leshchevds/ganeti,grnet/snf-ganeti,ganeti-github-testing/ganeti-test-1,andir/ganeti,leshchevds/ganeti,ganeti/ganeti,bitemyapp/ganeti,mbakke/ganeti,ganeti/ganeti,yiannist/ganeti,mbakke/ganeti,ganeti-github-testing/ganeti-test-1,yiannist/ganeti,apyrgio/ganeti,yiannist/ganeti,dimara/ganeti,mbakke/ganeti,onponomarev/ganeti,apyrgio/ganeti