micro/network/resolver/dns/dns.go

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// Package dns resolves names to dns srv records
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package dns
import (
"fmt"
"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) {
_, addrs, err := net.LookupSRV("network", "udp", name)
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if err != nil {
return nil, err
}
var records []*resolver.Record
for _, addr := range addrs {
address := addr.Target
if addr.Port > 0 {
address = fmt.Sprintf("%s:%d", addr.Target, addr.Port)
}
records = append(records, &resolver.Record{
Address: address,
})
}
return records, nil
}