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Add support for proxy protocol in TCP services

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This commit is contained in:
Manuel de Brito Fontes 2017-07-02 16:46:15 -04:00
parent 24d78cae8e
commit 0f8567dae6
3 changed files with 24 additions and 13 deletions
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14
controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl
View file

@ -562,22 +562,22 @@ stream {
# TCP services
{{ range $i, $tcpServer := .TCPBackends }}
upstream tcp-{{ $tcpServer.Backend.Namespace }}-{{ $tcpServer.Backend.Name }}-{{ $tcpServer.Backend.Port }} {
upstream tcp-{{ $tcpServer.Port }}-{{ $tcpServer.Backend.Namespace }}-{{ $tcpServer.Backend.Name }}-{{ $tcpServer.Backend.Port }} {
{{ range $j, $endpoint := $tcpServer.Endpoints }}
server {{ $endpoint.Address }}:{{ $endpoint.Port }};
{{ end }}
}
server {
listen {{ $tcpServer.Port }};
{{ if $IsIPV6Enabled }}listen [::]:{{ $tcpServer.Port }};{{ end }}
proxy_pass tcp-{{ $tcpServer.Backend.Namespace }}-{{ $tcpServer.Backend.Name }}-{{ $tcpServer.Backend.Port }};
listen {{ $tcpServer.Port }}{{ if $tcpServer.Backend.UseProxyProtocol }} proxy_protocol{{ end }};
{{ if $IsIPV6Enabled }}listen [::]:{{ $tcpServer.Port }}{{ if $tcpServer.Backend.UseProxyProtocol }} proxy_protocol{{ end }};{{ end }}
proxy_pass tcp-{{ $tcpServer.Port }}-{{ $tcpServer.Backend.Namespace }}-{{ $tcpServer.Backend.Name }}-{{ $tcpServer.Backend.Port }};
}
{{ end }}
# UDP services
{{ range $i, $udpServer := .UDPBackends }}
upstream udp-{{ $udpServer.Backend.Namespace }}-{{ $udpServer.Backend.Name }}-{{ $udpServer.Backend.Port }} {
upstream udp-{{ $udpServer.Port }}-{{ $udpServer.Backend.Namespace }}-{{ $udpServer.Backend.Name }}-{{ $udpServer.Backend.Port }} {
{{ range $j, $endpoint := $udpServer.Endpoints }}
server {{ $endpoint.Address }}:{{ $endpoint.Port }};
{{ end }}
@ -587,7 +587,7 @@ stream {
listen {{ $udpServer.Port }} udp;
{{ if $IsIPV6Enabled }}listen [::]:{{ $udpServer.Port }} udp;{{ end }}
proxy_responses 1;
proxy_pass udp-{{ $udpServer.Backend.Namespace }}-{{ $udpServer.Backend.Name }}-{{ $udpServer.Backend.Port }};
proxy_pass udp-{{ $udpServer.Port }}-{{ $udpServer.Backend.Namespace }}-{{ $udpServer.Backend.Name }}-{{ $udpServer.Backend.Port }};
}
{{ end }}
}

13
core/pkg/ingress/controller/controller.go
View file

@ -479,13 +479,21 @@ func (ic *GenericController) getStreamServices(configmapName string, proto api.P
}
nsSvcPort := strings.Split(v, ":")
if len(nsSvcPort) != 2 {
glog.Warningf("invalid format (namespace/name:port) '%v'", k)
if len(nsSvcPort) < 2 {
glog.Warningf("invalid format (namespace/name:port:[PROXY]) '%v'", k)
continue
}
nsName := nsSvcPort[0]
svcPort := nsSvcPort[1]
useProxyProtocol := false
// Proxy protocol is possible if the service is TCP
if len(nsSvcPort) == 3 && proto == api.ProtocolTCP {
if strings.ToUpper(nsSvcPort[2]) == "PROXY" {
useProxyProtocol = true
}
}
svcNs, svcName, err := k8s.ParseNameNS(nsName)
if err != nil {
@ -541,6 +549,7 @@ func (ic *GenericController) getStreamServices(configmapName string, proto api.P
Namespace: svcNs,
Port: intstr.FromString(svcPort),
Protocol: proto,
UseProxyProtocol: useProxyProtocol,
},
Endpoints: endps,
})

2
core/pkg/ingress/types.go
View file

@ -319,4 +319,6 @@ type L4Backend struct {
Name string `json:"name"`
Namespace string `json:"namespace"`
Protocol api.Protocol `json:"protocol"`
// +optional
UseProxyProtocol bool `json:"useProxyProtocol"`
}