micro/network/resolver/dns/dns.go

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// Package dns resolves names to dns records
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package dns
import (
"net"
"github.com/micro/go-micro/network/resolver"
)
// Resolver is a DNS network resolve
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type Resolver struct{}
// Resolve assumes ID is a domain name e.g micro.mu
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func (r *Resolver) Resolve(name string) ([]*resolver.Record, error) {
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host, port, err := net.SplitHostPort(name)
if err != nil {
host = name
port = "8085"
}
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if len(host) == 0 {
host = "localhost"
}
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addrs, err := net.LookupHost(host)
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if err != nil {
return nil, err
}
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records := make([]*resolver.Record, 0, len(addrs))
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for _, addr := range addrs {
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// join resolved record with port
address := net.JoinHostPort(addr, port)
// append to record set
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records = append(records, &resolver.Record{
Address: address,
})
}
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return records, nil
}