DHCP

Multiple DHCP servers are running on the ONP environment. The below are the list of interfaces and its networks.

Interface	Network	Is-enabled	Service
baremetal	192.168.123.0/24	true	dhcp.service
onp1	192.168.124.0/24	false	onp1-dhcp.service
onp2	192.168.125.0/24	false	onp2-dhcp.service

Configuration

It uses dnsmasq under the hood. The container builds and starts automatically if it is enabled as it is managed by the systemd.

Directory	/opt/openshift-network-playground/dhcp/
Service	dhcp.service

no-daemon
interface=<interface>
dhcp-range=192.168.x.2,192.168.x.254,255.255.255.0
except-interface=lo
bind-interfaces
log-dhcp
dhcp-authoritative
log-asynce

FROM fedora
MAINTAINER "Vinu K" <[e-mail]>
RUN yum install -y dnsmasq
ADD dnsmasq.conf /dnsmasq.conf
ENTRYPOINT ["dnsmasq"]
CMD ["-C", "/dnsmasq.conf"]