43 lines
1.3 KiB
Bash
43 lines
1.3 KiB
Bash
#!/bin/bash
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# Copyright 2023 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# 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, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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echo 'Enabling IP forwarding'
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sed '/net.ipv4.ip_forward=1/s/^#//g' -i /etc/sysctl.conf &&
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sysctl -p /etc/sysctl.conf &&
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/etc/init.d/procps restart
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echo 'Setting routes'
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ip route add ${spoke-primary} via ${gateway-trusted} dev ens5
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ip route add ${spoke-secondary} via ${gateway-trusted} dev ens5
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echo 'Setting NAT masquerade, so that HCs can reach the spoke through the NVA using the trusted intf source IP'
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iptables \
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-t nat \
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-A POSTROUTING \
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-s 130.211.0.0/22,35.191.0.0/16 \
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-d ${spoke-primary} \
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-p tcp \
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--dport 80 \
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-j MASQUERADE
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iptables \
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-t nat \
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-A POSTROUTING \
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-s 130.211.0.0/22,35.191.0.0/16 \
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-d ${spoke-secondary} \
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-p tcp \
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--dport 80 \
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-j MASQUERADE
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