forked from brl/citadel
28 lines
900 B
Bash
Executable File
28 lines
900 B
Bash
Executable File
#!/bin/bash
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#
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# Called from /etc/udev/rules.d/citadel-network.rules to configure
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# external network interfaces and the vz-clear bridge which is created
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# automatically by systemd-nspawn when --network-zone=clear (or Zone=clear)
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# option is used to launch a container.
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#
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# Both the bridge device and external interfaces are masqueraded so that
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# container veth instances added to the bridge will work.
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#
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# TODO: External interfaces need to have a set of filering rules applied.
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# The filtering rules should go in a separate script file in a more visible
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# location such as /usr/share/citadel/citadel-firewall.sh
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#
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VZ_CLEAR_ADDRESS="172.17.0.1/24"
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# add NAT rule for external interfaces and also for vz-clear bridge
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iptables -t nat -A POSTROUTING -o ${1} -j MASQUERADE
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if [[ ${1} == "vz-clear" ]]; then
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ip addr add ${VZ_CLEAR_ADDRESS} dev vz-clear
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ip link set vz-clear up
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exit 0
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fi
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