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SRV support for dns watcher #114

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SRV support for dns watcher #114

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8 changes: 5 additions & 3 deletions lib/synapse/service_watcher/dns.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,8 @@ def resolve_servers
resolver.tap do |dns|
resolution = discovery_servers.map do |server|
addresses = dns.getaddresses(server['host']).map(&:to_s)
[server, addresses.sort]
port = dns.getresource(server['srv'],Resolv::DNS::Resource::IN::SRV).port if server['srv']
[server, addresses.sort, port]
end

return resolution
Expand All @@ -79,11 +80,12 @@ def resolver
end

def configure_backends(servers)
new_backends = servers.flat_map do |(server, addresses)|
new_backends = servers.flat_map do |(server, addresses, port)|
custom_port = port || server['port']
addresses.map do |address|
{
'host' => address,
'port' => server['port'],
'port' => custom_port,
'name' => server['name'],
}
end
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