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Add automatic configuration reloading and

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policy handling
This commit is contained in:
Travis Groth 2019-05-30 08:48:56 -04:00
parent 77f3933560
commit 8c2beac6f1
12 changed files with 287 additions and 34 deletions
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40
proxy/proxy.go
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@ -148,14 +148,9 @@ func New(opts *config.Options) (*Proxy, error) {
refreshCooldown: opts.RefreshCooldown,
}
for _, route := range opts.Policies {
proxy := NewReverseProxy(route.Destination)
handler, err := NewReverseProxyHandler(opts, proxy, &route)
if err != nil {
return nil, err
}
p.Handle(route.Source.Host, handler, &route)
log.Info().Str("src", route.Source.Host).Str("dst", route.Destination.Host).Msg("proxy: new route")
err = p.UpdatePolicies(opts)
if err != nil {
return nil, err
}
p.AuthenticateClient, err = clients.NewAuthenticateClient("grpc",
@ -181,6 +176,25 @@ func New(opts *config.Options) (*Proxy, error) {
return p, err
}
// UpdatePolicies updates the handlers based on the configured policies
func (p *Proxy) UpdatePolicies(opts *config.Options) error {
routeConfigs := make(map[string]*routeConfig)
for _, route := range opts.Policies {
proxy := NewReverseProxy(route.Destination)
handler, err := NewReverseProxyHandler(opts, proxy, &route)
if err != nil {
return err
}
routeConfigs[route.Source.Host] = &routeConfig{
mux: handler,
policy: route,
}
log.Info().Str("src", route.Source.Host).Str("dst", route.Destination.Host).Msg("proxy: new route")
}
p.routeConfigs = routeConfigs
return nil
}
// UpstreamProxy stores information for proxying the request to the upstream.
type UpstreamProxy struct {
name string
@ -270,3 +284,13 @@ func urlParse(uri string) (*url.URL, error) {
}
return url.ParseRequestURI(uri)
}
// UpdateOptions updates internal structres based on config.Options
func (p *Proxy) UpdateOptions(o *config.Options) error {
log.Info().Msg("proxy: updating options")
err := p.UpdatePolicies(o)
if err != nil {
return fmt.Errorf("Could not update policies: %s", err)
}
return nil
}