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optimize on construct envoyfilter (#889)

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This commit is contained in:
alexzzh
2024-04-01 19:18:38 +08:00
committed by GitHub
parent cba2890e14
commit b4f72d3584
1 changed files with 39 additions and 31 deletions
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70
pkg/ingress/kube/configmap/global.go
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@@ -308,8 +308,7 @@ func (g *GlobalOptionController) ConstructEnvoyFilters() ([]*config.Config, erro
configPatch := make([]*networking.EnvoyFilter_EnvoyConfigObjectPatch, 0)
global := g.GetGlobal()
if global == nil {
configs := make([]*config.Config, 0)
return configs, nil
return []*config.Config{}, nil
}
namespace := g.Namespace
@@ -326,31 +325,28 @@ func (g *GlobalOptionController) ConstructEnvoyFilters() ([]*config.Config, erro
configPatch = append(configPatch, disableXEnvoyHeadersConfig...)
}
if global.Downstream == nil {
return generateEnvoyFilter(namespace, configPatch), nil
if global.Downstream != nil {
downstreamStruct := g.constructDownstream(global.Downstream)
bufferLimitStruct := g.constructBufferLimit(global.Downstream)
downstreamConfig := g.generateDownstreamEnvoyFilter(downstreamStruct, bufferLimitStruct, namespace)
if downstreamConfig != nil {
configPatch = append(configPatch, downstreamConfig...)
}
}
downstreamStruct := g.constructDownstream(global.Downstream)
bufferLimitStruct := g.constructBufferLimit(global.Downstream)
if len(downstreamStruct) == 0 && len(bufferLimitStruct) == 0 {
return generateEnvoyFilter(namespace, configPatch), nil
if global.Upstream != nil {
upstreamStruct := g.constructUpstream(global.Upstream)
bufferLimitStruct := g.constructUpstreamBufferLimit(global.Upstream)
upstreamConfig := g.generateUpstreamEnvoyFilter(upstreamStruct, bufferLimitStruct, namespace)
if upstreamConfig != nil {
configPatch = append(configPatch, upstreamConfig...)
}
}
downstreamConfig := g.generateDownstreamEnvoyFilter(downstreamStruct, bufferLimitStruct, namespace)
configPatch = append(configPatch, downstreamConfig...)
if global.Upstream == nil {
return generateEnvoyFilter(namespace, configPatch), nil
if len(configPatch) == 0 {
return []*config.Config{}, nil
}
upstreamStruct := g.constructUpstream(global.Upstream)
bufferLimitStruct = g.constructUpstreamBufferLimit(global.Upstream)
if len(upstreamStruct) == 0 {
return generateEnvoyFilter(namespace, configPatch), nil
}
upstreamConfig := g.generateUpstreamEnvoyFilter(upstreamStruct, bufferLimitStruct, namespace)
configPatch = append(configPatch, upstreamConfig...)
return generateEnvoyFilter(namespace, configPatch), nil
}
@@ -376,8 +372,10 @@ func (g *GlobalOptionController) RegisterItemEventHandler(eventHandler ItemEvent
// generateDownstreamEnvoyFilter generates the downstream envoy filter.
func (g *GlobalOptionController) generateDownstreamEnvoyFilter(downstreamValueStruct string, bufferLimitStruct string, namespace string) []*networking.EnvoyFilter_EnvoyConfigObjectPatch {
downstreamConfig := []*networking.EnvoyFilter_EnvoyConfigObjectPatch{
{
var downstreamConfig []*networking.EnvoyFilter_EnvoyConfigObjectPatch
if len(downstreamValueStruct) != 0 {
downstreamConfig = append(downstreamConfig, &networking.EnvoyFilter_EnvoyConfigObjectPatch{
ApplyTo: networking.EnvoyFilter_NETWORK_FILTER,
Match: &networking.EnvoyFilter_EnvoyConfigObjectMatch{
Context: networking.EnvoyFilter_GATEWAY,
@@ -395,8 +393,11 @@ func (g *GlobalOptionController) generateDownstreamEnvoyFilter(downstreamValueSt
Operation: networking.EnvoyFilter_Patch_MERGE,
Value: util.BuildPatchStruct(downstreamValueStruct),
},
},
{
})
}
if len(bufferLimitStruct) != 0 {
downstreamConfig = append(downstreamConfig, &networking.EnvoyFilter_EnvoyConfigObjectPatch{
ApplyTo: networking.EnvoyFilter_LISTENER,
Match: &networking.EnvoyFilter_EnvoyConfigObjectMatch{
Context: networking.EnvoyFilter_GATEWAY,
@@ -405,14 +406,17 @@ func (g *GlobalOptionController) generateDownstreamEnvoyFilter(downstreamValueSt
Operation: networking.EnvoyFilter_Patch_MERGE,
Value: util.BuildPatchStruct(bufferLimitStruct),
},
},
})
}
return downstreamConfig
}
func (g *GlobalOptionController) generateUpstreamEnvoyFilter(upstreamValueStruct string, bufferLimit string, namespace string) []*networking.EnvoyFilter_EnvoyConfigObjectPatch {
upstreamConfig := []*networking.EnvoyFilter_EnvoyConfigObjectPatch{
{
var upstreamConfig []*networking.EnvoyFilter_EnvoyConfigObjectPatch
if len(upstreamValueStruct) != 0 {
upstreamConfig = append(upstreamConfig, &networking.EnvoyFilter_EnvoyConfigObjectPatch{
ApplyTo: networking.EnvoyFilter_CLUSTER,
Match: &networking.EnvoyFilter_EnvoyConfigObjectMatch{
Context: networking.EnvoyFilter_GATEWAY,
@@ -421,8 +425,11 @@ func (g *GlobalOptionController) generateUpstreamEnvoyFilter(upstreamValueStruct
Operation: networking.EnvoyFilter_Patch_MERGE,
Value: util.BuildPatchStruct(upstreamValueStruct),
},
},
{
})
}
if len(bufferLimit) != 0 {
upstreamConfig = append(upstreamConfig, &networking.EnvoyFilter_EnvoyConfigObjectPatch{
ApplyTo: networking.EnvoyFilter_CLUSTER,
Match: &networking.EnvoyFilter_EnvoyConfigObjectMatch{
Context: networking.EnvoyFilter_GATEWAY,
@@ -431,8 +438,9 @@ func (g *GlobalOptionController) generateUpstreamEnvoyFilter(upstreamValueStruct
Operation: networking.EnvoyFilter_Patch_MERGE,
Value: util.BuildPatchStruct(bufferLimit),
},
},
})
}
return upstreamConfig
}