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#cloud-config
# Copyright 2022 Google LLC
#
# 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
#
# https://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.
write_files :
%{ for path, data in files }
- path : ${path}
owner : ${lookup(data, "owner", "root")}
permissions : ${lookup(data, "permissions", "0644")}
content : |
${indent(6, data.content)}
%{ endfor }
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- path : /etc/systemd/system/routing.service
permissions : 0644
owner : root
content : |
[ Install]
WantedBy=multi-user.target
[ Unit]
Description=Start routing
After=network-online.target
Wants=network-online.target
[ Service]
ExecStart=/bin/sh -c "/var/run/nva/start-routing.sh"
- path : /var/run/nva/start-routing.sh
permissions : 0744
owner : root
content : |
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}
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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 ~}
%{ endfor ~}
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bootcmd :
- systemctl start node-problem-detector
runcmd :
- systemctl daemon-reload
- systemctl enable routing
- systemctl start routing