75 lines
2.3 KiB
YAML
75 lines
2.3 KiB
YAML
#cloud-config
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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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# https://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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write_files:
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%{ for path, data in files }
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- path: ${path}
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owner: ${lookup(data, "owner", "root")}
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permissions: ${lookup(data, "permissions", "0644")}
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content: |
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${indent(6, data.content)}
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%{ endfor }
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- path: /etc/systemd/system/routing.service
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permissions: 0644
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owner: root
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content: |
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[Install]
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WantedBy=multi-user.target
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[Unit]
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Description=Start routing
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After=network-online.target
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Wants=network-online.target
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[Service]
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RemainAfterExit=true
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ExecStart=/bin/sh -c "/var/run/nva/start-routing.sh"
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- path: /var/run/nva/start-routing.sh
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permissions: 0744
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owner: root
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content: |
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iptables --policy FORWARD ACCEPT
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%{ for interface in network_interfaces ~}
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%{ if enable_health_checks ~}
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/var/run/nva/policy_based_routing.sh ${interface.name} &>/dev/null &
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%{ endif ~}
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%{ if interface.enable_masquerading ~}
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%{ for cidr in interface.non_masq_cidrs ~}
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iptables -t nat -A POSTROUTING -o ${interface.name} -d ${cidr} -j ACCEPT
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%{ endfor ~}
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iptables -t nat -A POSTROUTING -o ${interface.name} -j MASQUERADE
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%{ endif ~}
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%{ for route in interface.routes ~}
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ip route add ${route} via `curl http://metadata.google.internal/computeMetadata/v1/instance/network-interfaces/${interface.number}/gateway -H "Metadata-Flavor:Google"` dev ${interface.name}
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%{ endfor ~}
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%{ endfor ~}
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%{ for port in open_tcp_ports ~}
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iptables -A INPUT -p tcp --dport ${port} -j ACCEPT
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%{ endfor ~}
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%{ for port in open_udp_ports ~}
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iptables -A INPUT -p udp --dport ${port} -j ACCEPT
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%{ endfor ~}
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bootcmd:
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- systemctl start node-problem-detector
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runcmd:
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- systemctl daemon-reload
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- systemctl enable routing
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- systemctl start routing
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%{ for cmd in run_cmds ~}
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- ${cmd}
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%{ endfor ~}
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