feat: passthrough proxies
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@ -36,15 +36,15 @@ func (d *Director) rewriteRequest(r *http.Request) (*http.Request, error) {
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ctx = withOriginalURL(ctx, url)
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ctx = logger.With(ctx, logger.F("url", url.String()))
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var match *store.Proxy
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layers := make([]*store.Layer, 0)
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MAIN:
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for _, p := range proxies {
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for _, from := range p.From {
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logger.Debug(
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ctx, "matching request with proxy's from",
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logger.F("from", from),
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)
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if matches := wildcard.Match(url.String(), from); !matches {
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continue
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}
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@ -54,44 +54,41 @@ MAIN:
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logger.F("from", from),
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)
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match = p
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break MAIN
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ctx = logger.With(ctx,
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logger.F("proxy", p.Name),
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logger.F("host", r.Host),
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logger.F("remoteAddr", r.RemoteAddr),
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)
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metricProxyRequestsTotal.With(prometheus.Labels{metricLabelProxy: string(p.Name)}).Add(1)
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proxyLayers, err := d.getLayers(ctx, p.Name)
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if err != nil {
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return r, errors.WithStack(err)
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}
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layers = append(layers, proxyLayers...)
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if p.To == "" {
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continue
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}
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toURL, err := url.Parse(p.To)
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if err != nil {
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return r, errors.WithStack(err)
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}
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r.URL.Host = toURL.Host
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r.URL.Scheme = toURL.Scheme
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r.URL.Path = toURL.JoinPath(r.URL.Path).Path
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ctx = withLayers(ctx, layers)
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r = r.WithContext(ctx)
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return r, nil
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}
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}
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if match == nil {
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return r, nil
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}
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toURL, err := url.Parse(match.To)
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if err != nil {
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return r, errors.WithStack(err)
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}
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r.URL.Host = toURL.Host
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r.URL.Scheme = toURL.Scheme
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r.URL.Path = toURL.JoinPath(r.URL.Path).Path
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ctx = logger.With(ctx,
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logger.F("proxy", match.Name),
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logger.F("host", r.Host),
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logger.F("remoteAddr", r.RemoteAddr),
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)
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logger.Debug(
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ctx, "rewritten url",
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logger.F("rewrittenURL", r.URL.String()),
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)
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metricProxyRequestsTotal.With(prometheus.Labels{metricLabelProxy: string(match.Name)}).Add(1)
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ctx = withProxy(ctx, match)
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layers, err := d.getLayers(ctx, match.Name)
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if err != nil {
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return r, errors.WithStack(err)
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}
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ctx = withLayers(ctx, layers)
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r = r.WithContext(ctx)
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