Nicolas Vazquez c9ce3e2344 router: Persistent DHCP leases file on VRs and cleanup /etc/hosts on VM deletion (#3351)
Since the CloudStack virtual router was redesigned on version 4.6 it has been observed that the DHCP leases file is not persistent across network operations. This causes conflicts on guest VMs static IPs, causing these static IPs to not be renewed by the DHCP server running on isolated and VPC networks' virtual routers (dnsmasq). On stopping or destroying a VM, its dhcp/dns records are not removed from the virtual router causing ghost effects.

Fixes #3272
Fixes #3354

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
2019-06-03 17:04:16 +05:30
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