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docker bridge interface firewall rules for osbs overlay cluster network

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Signed-off-by: Adam Miller <admiller@redhat.com>
This commit is contained in:
Adam Miller 2016-11-07 20:39:03 +00:00
parent 066000e23b
commit fbe0181672
4 changed files with 151 additions and 0 deletions
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files/osbs/fix-docker-iptables.staging Normal file
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#!/bin/bash -xe
# Note: this is done as a script because it needs to be run after
# every docker service restart.
# And just doing an iptables-restore is going to mess up kubernetes'
# NAT table.
# Delete all old rules
iptables --flush FORWARD
# Re-insert some basic rules
iptables -A FORWARD -o br0 -j DOCKER
iptables -A FORWARD -o br0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -i br0 -o br0 -j ACCEPT
# Now insert access to allowed boxes
# docker-registry
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.217 --dport 443 -j ACCEPT
#koji.fp.o
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.87 --dport 80 -j ACCEPT
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.87 --dport 443 -j ACCEPT
# pkgs.stg
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.83 --dport 80 -j ACCEPT
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.83 --dport 443 -j ACCEPT
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.83 --dport 9418 -j ACCEPT
# DNS
iptables -A FORWARD -i br0 -p udp -m udp -d 10.5.126.21 --dport 53 -j ACCEPT
iptables -A FORWARD -i br0 -p udp -m udp -d 10.5.126.22 --dport 53 -j ACCEPT
# mirrors.fp.o
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.51 --dport 443 -j ACCEPT
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.52 --dport 443 -j ACCEPT
# dl.phx2
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.93 --dport 80 -j ACCEPT
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.93 --dport 443 -j ACCEPT
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.94 --dport 80 -j ACCEPT
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.94 --dport 443 -j ACCEPT
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.95 --dport 80 -j ACCEPT
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.95 --dport 443 -j ACCEPT
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.96 --dport 80 -j ACCEPT
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.96 --dport 443 -j ACCEPT
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.97 --dport 80 -j ACCEPT
iptables -A FORWARD -i br0 -p tcp -m tcp -d 10.5.126.97 --dport 443 -j ACCEPT
# Docker is CRAZY and forces Google DNS upon us.....
iptables -A FORWARD -i br0 -p udp -m udp -d 8.8.8.8 --dport 53 -j ACCEPT
iptables -A FORWARD -i br0 -p udp -m udp -d 8.8.4.4 --dport 53 -j ACCEPT
iptables -A FORWARD -j REJECT --reject-with icmp-host-prohibited