Service updating external DNS with records generated by Rancher. Initial version comes with Route53 support; pluggable provider model makes it easy to implement other providers later.
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external-dns gets deployed as a Rancher service containerized app. It enables all other services of the same stack to be registered to exteral DNS.
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external-dns service would be periodically fetching info from rancher-metadata server, compare it with the data returned by DNS provider, and propagate the changes to DNS provider.
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Every service will get a domain name in a following format:
<service_name>.<stack_name>.<environment_name>.<root_domain> {record set}
"root_domain" is a user set env var on external-dns service; record set - host ip addresses where service is deployed.
Example: service "foo" in stack "bar" belongs to environment "baz" has containers deployed on host1 and host2. Root_domain is set to "qux.com":
foo.bar.baz.qux.com [host1.ip, host2.ip]
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Copyright (c) 2015 Rancher Labs, Inc.
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
http://www.apache.org/licenses/LICENSE-2.0
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