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Add helper program to create custom leases

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Introduce helper program to catch events from dnsmasq and maintain a custom
lease file per network. It supports dhcpv4 and dhcpv6. The file is saved as
"<interface-name>.status".

Each lease contains the following info:
<expiry-time (epoch time)> <mac> <iaid> <ip-address> <hostname> <clientid>

Example of custom leases file content:
[
    {
        "iaid": "1221229",
        "ip-address": "2001:db8:ca2:2:1::95",
        "mac-address": "52:54:00:12:a2:6d",
        "hostname": "Fedora20",
        "client-id": "00:04:1a:c1:d9:6b:5a:0a:e2:bc:f8:4b:1e:37:2e:38:22:55",
        "expiry-time": 1393244216
    },
    {
        "ip-address": "192.168.150.208",
        "mac-address": "52:54:00:11:56:b3",
        "hostname": "Wani-PC",
        "client-id": "01:52:54:00:11:56:b3",
        "expiry-time": 1393244248
    }
]

src/Makefile.am:
   * Add options to compile the helper program

src/network/bridge_driver.c:
   * Introduce networkDnsmasqLeaseFileNameCustom()
   * Invoke helper program along with dnsmasq
   * Delete the .status file when corresponding n/w is destroyed.

src/network/leaseshelper.c
   * Helper program to create the custom lease file
This commit is contained in:
Nehal J Wani
2014-06-02 11:45:10 +01:00
committed by Daniel P. Berrange
parent 6ef0b03483
commit baafe668fa
5 changed files with 412 additions and 0 deletions
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libvirt.spec.in
+2
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@@ -1917,6 +1917,7 @@ exit 0
%dir %attr(0700, root, root) %{_sysconfdir}/libvirt/qemu/networks/autostart
%dir %attr(0700, root, root) %{_localstatedir}/lib/libvirt/network/
%dir %attr(0755, root, root) %{_localstatedir}/lib/libvirt/dnsmasq/
%attr(0755, root, root) %{_libexecdir}/libvirt_leaseshelper
%endif
%if %{with_nwfilter}
%dir %attr(0700, root, root) %{_sysconfdir}/libvirt/nwfilter/
@@ -1992,6 +1993,7 @@ exit 0
%ghost %dir %{_localstatedir}/run/libvirt/network/
%dir %attr(0700, root, root) %{_localstatedir}/lib/libvirt/network/
%dir %attr(0755, root, root) %{_localstatedir}/lib/libvirt/dnsmasq/
%attr(0755, root, root) %{_libexecdir}/libvirt_leaseshelper
%{_libdir}/%{name}/connection-driver/libvirt_driver_network.so
%endif