61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
// Package http resolves names to network addresses using a http request
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package http
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import (
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"encoding/json"
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"io/ioutil"
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"net/http"
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"net/url"
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"github.com/micro/go-micro/network/resolver"
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)
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// Resolver is a HTTP network resolver
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type Resolver struct {
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// If not set, defaults to http
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Proto string
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// Path sets the path to lookup. Defaults to /network
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Path string
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}
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// Resolve assumes ID is a domain which can be converted to a http://name/network request
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func (r *Resolver) Resolve(name string) ([]*resolver.Record, error) {
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proto := "http"
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path := "/network"
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if len(r.Proto) > 0 {
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proto = r.Proto
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}
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if len(r.Path) > 0 {
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path = r.Path
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}
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uri := &url.URL{
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Scheme: proto,
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Path: path,
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Host: name,
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}
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rsp, err := http.Get(uri.String())
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if err != nil {
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return nil, err
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}
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defer rsp.Body.Close()
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b, err := ioutil.ReadAll(rsp.Body)
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if err != nil {
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return nil, err
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}
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// encoding format is assumed to be json
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var records []*resolver.Record
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if err := json.Unmarshal(b, &records); err != nil {
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return nil, err
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}
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return records, nil
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}
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