Configuration files for project CI systems
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#!/bin/bash
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
#
# See the License for the specific language governing permissions and
# limitations under the License.
# dib-lint: disable=setu setpipefail
if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
set -x
fi
set -e
if [[ "$DISTRO_NAME" =~ (debian|ubuntu) ]] ; then
rules_dir=/etc/iptables
ipv4_rules=${rules_dir}/rules.v4
ipv6_rules=${rules_dir}/rules.v6
elif [[ "$DISTRO_NAME" =~ (centos|rhel7|fedora|openeuler|rocky) ]] ; then
rules_dir=/etc/sysconfig
ipv4_rules=${rules_dir}/iptables
ipv6_rules=${rules_dir}/ip6tables
elif [[ "$DISTRO_NAME" =~ 'opensuse' ]] ; then
rules_dir=/etc/sysconfig
ipv4_rules=${rules_dir}/iptables
ipv6_rules=${rules_dir}/ip6tables
elif [[ "$DISTRO_NAME" =~ 'gentoo' ]] ; then
rules_dir=/var/lib/iptables # not needed, part of the package install
ipv4_rules=/var/lib/iptables/rules-save
ipv6_rules=/var/lib/ip6tables/rules-save
else
echo "Unsupported operating system $DISTRO_NAME"
exit 1
fi
mkdir -p $rules_dir
cat > $ipv4_rules << EOF
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:openstack-INPUT - [0:0]
-A INPUT -j openstack-INPUT
-A openstack-INPUT -i lo -j ACCEPT
-A openstack-INPUT -p icmp --icmp-type any -j ACCEPT
#-A openstack-INPUT -p udp --dport 5353 -d 224.0.0.251 -j ACCEPT
# SSH from anywhere without -m state to avoid hanging connections on iptables-restore
-A openstack-INPUT -m tcp -p tcp --dport 22 -j ACCEPT
-A openstack-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
# Public TCP ports
-A openstack-INPUT -p tcp -m state --state NEW -m tcp --dport 19885 -j ACCEPT
# Ports 69 and 6385 allow to allow ironic VM nodes to reach tftp and
# the ironic API from the neutron public net
-A openstack-INPUT -s 172.24.4.0/23 -p udp -m udp --dport 69 -j ACCEPT
-A openstack-INPUT -s 172.24.4.0/23 -p tcp -m tcp --dport 6385 -j ACCEPT
# Ports 80, 8000, 8003, 8004 from the devstack neutron public net to allow
# nova servers to reach heat-api-cfn, heat-api-cloudwatch, heat-api
-A openstack-INPUT -s 172.24.4.0/23 -p tcp -m tcp --dport 80 -j ACCEPT
-A openstack-INPUT -s 172.24.4.0/23 -p tcp -m tcp --dport 8000 -j ACCEPT
-A openstack-INPUT -s 172.24.4.0/23 -p tcp -m tcp --dport 8003 -j ACCEPT
-A openstack-INPUT -s 172.24.4.0/23 -p tcp -m tcp --dport 8004 -j ACCEPT
-A openstack-INPUT -m limit --limit 2/min -j LOG --log-prefix "iptables dropped: "
-A openstack-INPUT -j REJECT --reject-with icmp-host-prohibited
COMMIT
EOF
cat > $ipv6_rules << EOF
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:openstack-INPUT - [0:0]
-A INPUT -j openstack-INPUT
-A openstack-INPUT -i lo -j ACCEPT
-A openstack-INPUT -p ipv6-icmp -j ACCEPT
# SSH from anywhere without -m state to avoid hanging connections on iptables-restore
-A openstack-INPUT -m tcp -p tcp --dport 22 -j ACCEPT
-A openstack-INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
# Public TCP ports
-A openstack-INPUT -p tcp -m state --state NEW -m tcp --dport 19885 -j ACCEPT
-A openstack-INPUT -j REJECT --reject-with icmp6-adm-prohibited
COMMIT
EOF