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55 lines
1.7 KiB
Bash
Executable File
55 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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#Licensed to the Apache Software Foundation (ASF) under one
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#or more contributor license agreements. See the NOTICE file
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#distributed with this work for additional information
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#regarding copyright ownership. The ASF licenses this file
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#to you under the Apache License, Version 2.0 (the
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#"License"); you may not use this file except in compliance
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#with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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#Unless required by applicable law or agreed to in writing,
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#software distributed under the License is distributed on an
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#"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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#KIND, either express or implied. See the License for the
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#specific language governing permissions and limitations
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#under the License.
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set +u
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mgmt_nic_ip=$1
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internal_server_ip=$2
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gateway_ip=$3
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ip route | grep "$internal_server_ip" > /dev/null
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if [ $? -ne 0 ]; then
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ip route add $internal_server_ip via $gateway_ip
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fi
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iptables-save | grep -- "-A POSTROUTING -d $internal_server_ip" > /dev/null
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if [ $? -ne 0 ]; then
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iptables -t nat -A POSTROUTING -d $internal_server_ip -j SNAT --to-source $mgmt_nic_ip
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fi
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iptables-save | grep -- "-A INPUT -i eth0 -p udp -m udp --dport 69 -j ACCEPT" > /dev/null
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if [ $? -ne 0 ]; then
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iptables -I INPUT -i eth0 -p udp -m udp --dport 69 -j ACCEPT
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fi
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iptables-save | grep -- "-A FORWARD -i eth1 -o eth0 -j ACCEPT" > /dev/null
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if [ $? -ne 0 ]; then
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iptables -A FORWARD -i eth1 -o eth0 -j ACCEPT
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fi
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rule="-A FORWARD -d $internal_server_ip/32 -i eth0 -o eth1 -j ACCEPT"
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iptables-save | grep -- "$rule" > /dev/null
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if [ $? -ne 0 ]; then
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iptables -I FORWARD -d $internal_server_ip/32 -i eth0 -o eth1 -j ACCEPT
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fi
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