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Request buffering middleware

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This commit is contained in:
Łukasz Harasimowicz 2018-01-31 15:32:04 +01:00 • committed by Traefiker
parent d426126a92
commit a81171d5f1
44 changed files with 2155 additions and 5 deletions
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15
provider/rancher/config.go
View file

@ -24,6 +24,7 @@ func (p *Provider) buildConfiguration(services []rancherData) *types.Configurati
"getLoadBalancer": getLoadBalancer,
"getMaxConn": getMaxConn,
"getHealthCheck": getHealthCheck,
"getBuffering": getBuffering,
"getServers": getServers,
// TODO Deprecated [breaking]
@ -235,6 +236,20 @@ func getHealthCheck(service rancherData) *types.HealthCheck {
}
}
func getBuffering(service rancherData) *types.Buffering {
if !label.HasPrefix(service.Labels, label.TraefikBackendBuffering) {
return nil
}
return &types.Buffering{
MaxRequestBodyBytes: label.GetInt64Value(service.Labels, label.TraefikBackendBufferingMaxRequestBodyBytes, 0),
MaxResponseBodyBytes: label.GetInt64Value(service.Labels, label.TraefikBackendBufferingMaxResponseBodyBytes, 0),
MemRequestBodyBytes: label.GetInt64Value(service.Labels, label.TraefikBackendBufferingMemRequestBodyBytes, 0),
MemResponseBodyBytes: label.GetInt64Value(service.Labels, label.TraefikBackendBufferingMemResponseBodyBytes, 0),
RetryExpression: label.GetStringValue(service.Labels, label.TraefikBackendBufferingRetryExpression, ""),
}
}
func getServers(service rancherData) map[string]types.Server {
var servers map[string]types.Server

62
provider/rancher/config_test.go
View file

@ -50,6 +50,11 @@ func TestProviderBuildConfiguration(t *testing.T) {
label.TraefikBackendLoadBalancerStickinessCookieName: "chocolate",
label.TraefikBackendMaxConnAmount: "666",
label.TraefikBackendMaxConnExtractorFunc: "client.ip",
label.TraefikBackendBufferingMaxResponseBodyBytes: "10485760",
label.TraefikBackendBufferingMemResponseBodyBytes: "2097152",
label.TraefikBackendBufferingMaxRequestBodyBytes: "10485760",
label.TraefikBackendBufferingMemRequestBodyBytes: "2097152",
label.TraefikBackendBufferingRetryExpression: "IsNetworkError() && Attempts() <= 2",
label.TraefikFrontendAuthBasic: "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
label.TraefikFrontendEntryPoints: "http,https",
@ -228,6 +233,13 @@ func TestProviderBuildConfiguration(t *testing.T) {
Port: 880,
Interval: "6",
},
Buffering: &types.Buffering{
MaxResponseBodyBytes: 10485760,
MemResponseBodyBytes: 2097152,
MaxRequestBodyBytes: 10485760,
MemRequestBodyBytes: 2097152,
RetryExpression: "IsNetworkError() && Attempts() <= 2",
},
},
},
},
@ -856,6 +868,56 @@ func TestGetHealthCheck(t *testing.T) {
}
}
func TestGetBuffering(t *testing.T) {
testCases := []struct {
desc string
service rancherData
expected *types.Buffering
}{
{
desc: "should return nil when no buffering labels",
service: rancherData{
Labels: map[string]string{},
Health: "healthy",
State: "active",
},
expected: nil,
},
{
desc: "should return a struct when buffering labels are set",
service: rancherData{
Labels: map[string]string{
label.TraefikBackendBufferingMaxResponseBodyBytes: "10485760",
label.TraefikBackendBufferingMemResponseBodyBytes: "2097152",
label.TraefikBackendBufferingMaxRequestBodyBytes: "10485760",
label.TraefikBackendBufferingMemRequestBodyBytes: "2097152",
label.TraefikBackendBufferingRetryExpression: "IsNetworkError() && Attempts() <= 2",
},
Health: "healthy",
State: "active",
},
expected: &types.Buffering{
MaxResponseBodyBytes: 10485760,
MemResponseBodyBytes: 2097152,
MaxRequestBodyBytes: 10485760,
MemRequestBodyBytes: 2097152,
RetryExpression: "IsNetworkError() && Attempts() <= 2",
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actual := getBuffering(test.service)
assert.Equal(t, test.expected, actual)
})
}
}
func TestGetServers(t *testing.T) {
testCases := []struct {
desc string