mirror of
https://github.com/eliasstepanik/caddy-ingess.git
synced 2026-01-10 20:18:28 +00:00
cce8e52ddd
* feat: Add plugin system to controller * add priority system and default empty tls connection policy
56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
package ingress
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import (
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"fmt"
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"github.com/caddyserver/caddy/v2/caddyconfig"
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"github.com/caddyserver/caddy/v2/modules/caddyhttp"
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"github.com/caddyserver/caddy/v2/modules/caddyhttp/reverseproxy"
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"github.com/caddyserver/ingress/pkg/converter"
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)
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type ReverseProxyPlugin struct{}
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func (p ReverseProxyPlugin) IngressPlugin() converter.PluginInfo {
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return converter.PluginInfo{
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Name: "ingress.reverseproxy",
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// Should always go last by default
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Priority: -10,
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New: func() converter.Plugin { return new(ReverseProxyPlugin) },
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}
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}
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// IngressHandler Add a reverse proxy handler to the route
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func (p ReverseProxyPlugin) IngressHandler(input converter.IngressMiddlewareInput) (*caddyhttp.Route, error) {
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path := input.Path
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ing := input.Ingress
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// TODO :-
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// when setting the upstream url we should bypass kube-dns and get the ip address of
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// the pod for the deployment we are proxying to so that we can proxy to that ip address port.
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// this is good for session affinity and increases performance.
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clusterHostName := fmt.Sprintf("%v.%v.svc.cluster.local:%d", path.Backend.Service.Name, ing.Namespace, path.Backend.Service.Port.Number)
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handler := reverseproxy.Handler{
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Upstreams: reverseproxy.UpstreamPool{
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{Dial: clusterHostName},
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},
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}
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handlerModule := caddyconfig.JSONModuleObject(
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handler,
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"handler",
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"reverse_proxy",
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nil,
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)
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input.Route.HandlersRaw = append(input.Route.HandlersRaw, handlerModule)
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return input.Route, nil
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}
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func init() {
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converter.RegisterPlugin(ReverseProxyPlugin{})
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}
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// Interface guards
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var (
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_ = converter.IngressMiddleware(ReverseProxyPlugin{})
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)
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