On Mon, Aug 11, 2014 at 1:14 AM, Nehal J Wani <nehaljw.kkd1@xxxxxxxxx> wrote: > On Mon, Aug 4, 2014 at 1:29 PM, Nehal J Wani <nehaljw.kkd1@xxxxxxxxx> wrote: >> >> This patch enables the helper program to detect event(s) triggered when there >> is a change in lease length or expiry and client-id. This transfers complete >> control of leases database to libvirt and obsoletes use of the lease database >> file (<network-name>.leases). That file will not be created, read, or written. >> This is achieved by adding the option --leasefile-ro to dnsmasq and passing a >> custom env var to leaseshelper, which helps us map events related to leases >> with their corresponding network bridges, no matter what the event be. >> >> Also, this requires the addition of a new non-lease entry in our custom lease >> database: "server-duid". It is required to identify a DHCPv6 server. >> >> Now that dnsmasq doesn't maintain its own leases database, it relies on our >> helper program to tell it about previous leases and server duid. Thus, this >> patch makes our leases program honor an extra action: "init", in which it sends >> the known info in a particular format to dnsmasq by printing it to stdout. >> >> --- >> >> This is compatible with libvirt 1.2.6 as only additions have been >> introduced, and the old leases file (*.status) will still be supported. >> >> v3: * Add server-duid as an entry in the lease object for every ipv6 lease. >> * Remove unnecessary variables and double copies. >> * Take value from DNSMASQ_OLD_HOSTNAME if hostname is not known. >> >> v2: http://www.redhat.com/archives/libvir-list/2014-July/msg01109.html >> >> v1: https://www.redhat.com/archives/libvir-list/2014-July/msg00568.html >> >> src/network/bridge_driver.c | 3 + >> src/network/leaseshelper.c | 132 +++++++++++++++++++++++++++++++++++--------- >> 2 files changed, 109 insertions(+), 26 deletions(-) >> >> diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c >> index 965fdec..b578b3a 100644 >> --- a/src/network/bridge_driver.c >> +++ b/src/network/bridge_driver.c > > Ping! Ping! -- Nehal J Wani -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list