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service-mesh: introduce config generation tests
With increasing envoy config complexity it gets more difficult to parse the final envoy config. Therefore we introduce tests which compare the envoy config for specific scenarios with golden JSON representations of the expected output.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| // Copyright 2024 Edgeless Systems GmbH | ||
| // SPDX-License-Identifier: AGPL-3.0-only | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| _ "embed" | ||
| "fmt" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| "go.uber.org/goleak" | ||
| ) | ||
|
|
||
| //go:embed golden/defaultEnvoy.json | ||
| var defaultEnvoyConfig []byte | ||
|
|
||
| func TestCompareEnvoyConfigToGolden(t *testing.T) { | ||
| require := require.New(t) | ||
|
|
||
| config, err := ParseProxyConfig("", "", "") | ||
| require.NoError(err) | ||
|
|
||
| testCases := map[string]struct { | ||
| pConfig ProxyConfig | ||
| }{ | ||
| "success": { | ||
| pConfig: config, | ||
| }, | ||
| } | ||
|
|
||
| for name, tc := range testCases { | ||
| t.Run(name, func(t *testing.T) { | ||
| assert := assert.New(t) | ||
| configJSON, err := tc.pConfig.ToEnvoyConfig() | ||
| require.NoError(err) | ||
| fmt.Println(string(configJSON)) | ||
| assert.JSONEq(string(defaultEnvoyConfig), string(configJSON)) | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func TestMain(m *testing.M) { | ||
| goleak.VerifyTestMain(m) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,223 @@ | ||
| { | ||
| "staticResources": { | ||
| "listeners": [ | ||
| { | ||
| "name": "ingress", | ||
| "address": { | ||
| "socketAddress": { | ||
| "address": "0.0.0.0", | ||
| "portValue": 15006 | ||
| } | ||
| }, | ||
| "filterChains": [ | ||
| { | ||
| "filters": [ | ||
| { | ||
| "name": "ingress", | ||
| "typedConfig": { | ||
| "@type": "type.googleapis.com/envoy.extensions.filters.network.tcp_proxy.v3.TcpProxy", | ||
| "statPrefix": "ingress", | ||
| "cluster": "ingressCluster" | ||
| } | ||
| } | ||
| ], | ||
| "transportSocket": { | ||
| "name": "envoy.transport_sockets.tls", | ||
| "typedConfig": { | ||
| "@type": "type.googleapis.com/envoy.extensions.transport_sockets.tls.v3.DownstreamTlsContext", | ||
| "commonTlsContext": { | ||
| "tlsCertificates": [ | ||
| { | ||
| "certificateChain": { | ||
| "filename": "/contrast/tls-config/certChain.pem" | ||
| }, | ||
| "privateKey": { | ||
| "filename": "/contrast/tls-config/key.pem" | ||
| } | ||
| } | ||
| ], | ||
| "validationContext": { | ||
| "trustedCa": { | ||
| "filename": "/contrast/tls-config/mesh-ca.pem" | ||
| } | ||
| } | ||
| }, | ||
| "requireClientCertificate": true | ||
| } | ||
| }, | ||
| "name": "ingress" | ||
| }, | ||
| { | ||
| "filters": [ | ||
| { | ||
| "name": "BlackHoleFilter", | ||
| "typedConfig": { | ||
| "@type": "type.googleapis.com/envoy.extensions.filters.network.tcp_proxy.v3.TcpProxy", | ||
| "statPrefix": "BlackHoleCluster", | ||
| "cluster": "BlackHoleCluster" | ||
| } | ||
| } | ||
| ], | ||
| "name": "BlackHoleFilter" | ||
| } | ||
| ], | ||
| "filterChainMatcher": { | ||
| "matcherTree": { | ||
| "input": { | ||
| "name": "port", | ||
| "typedConfig": { | ||
| "@type": "type.googleapis.com/envoy.extensions.matching.common_inputs.network.v3.DestinationPortInput" | ||
| } | ||
| }, | ||
| "exactMatchMap": { | ||
| "map": { | ||
| "15006": { | ||
| "action": { | ||
| "name": "forwardToBlackHoleFilter", | ||
| "typedConfig": { | ||
| "@type": "type.googleapis.com/google.protobuf.StringValue", | ||
| "value": "BlackHoleFilter" | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| "onNoMatch": { | ||
| "action": { | ||
| "name": "forwardToIngress", | ||
| "typedConfig": { | ||
| "@type": "type.googleapis.com/google.protobuf.StringValue", | ||
| "value": "ingress" | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| "listenerFilters": [ | ||
| { | ||
| "name": "tcpListener", | ||
| "typedConfig": { | ||
| "@type": "type.googleapis.com/envoy.extensions.filters.listener.original_dst.v3.OriginalDst" | ||
| } | ||
| } | ||
| ], | ||
| "transparent": true | ||
| }, | ||
| { | ||
| "name": "ingressWithoutClientAuth", | ||
| "address": { | ||
| "socketAddress": { | ||
| "address": "0.0.0.0", | ||
| "portValue": 15007 | ||
| } | ||
| }, | ||
| "filterChains": [ | ||
| { | ||
| "filters": [ | ||
| { | ||
| "name": "ingress", | ||
| "typedConfig": { | ||
| "@type": "type.googleapis.com/envoy.extensions.filters.network.tcp_proxy.v3.TcpProxy", | ||
| "statPrefix": "ingressWithoutClientAuth", | ||
| "cluster": "ingressCluster" | ||
| } | ||
| } | ||
| ], | ||
| "transportSocket": { | ||
| "name": "envoy.transport_sockets.tls", | ||
| "typedConfig": { | ||
| "@type": "type.googleapis.com/envoy.extensions.transport_sockets.tls.v3.DownstreamTlsContext", | ||
| "commonTlsContext": { | ||
| "tlsCertificates": [ | ||
| { | ||
| "certificateChain": { | ||
| "filename": "/contrast/tls-config/certChain.pem" | ||
| }, | ||
| "privateKey": { | ||
| "filename": "/contrast/tls-config/key.pem" | ||
| } | ||
| } | ||
| ], | ||
| "validationContext": { | ||
| "trustedCa": { | ||
| "filename": "/contrast/tls-config/mesh-ca.pem" | ||
| } | ||
| } | ||
| }, | ||
| "requireClientCertificate": false | ||
| } | ||
| }, | ||
| "name": "ingressWithoutClientAuth" | ||
| }, | ||
| { | ||
| "filters": [ | ||
| { | ||
| "name": "BlackHoleFilter", | ||
| "typedConfig": { | ||
| "@type": "type.googleapis.com/envoy.extensions.filters.network.tcp_proxy.v3.TcpProxy", | ||
| "statPrefix": "BlackHoleCluster", | ||
| "cluster": "BlackHoleCluster" | ||
| } | ||
| } | ||
| ], | ||
| "name": "BlackHoleFilter" | ||
| } | ||
| ], | ||
| "filterChainMatcher": { | ||
| "matcherTree": { | ||
| "input": { | ||
| "name": "port", | ||
| "typedConfig": { | ||
| "@type": "type.googleapis.com/envoy.extensions.matching.common_inputs.network.v3.DestinationPortInput" | ||
| } | ||
| }, | ||
| "exactMatchMap": { | ||
| "map": { | ||
| "15007": { | ||
| "action": { | ||
| "name": "forwardToBlackHoleFilter", | ||
| "typedConfig": { | ||
| "@type": "type.googleapis.com/google.protobuf.StringValue", | ||
| "value": "BlackHoleFilter" | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| "onNoMatch": { | ||
| "action": { | ||
| "name": "forwardToIngress", | ||
| "typedConfig": { | ||
| "@type": "type.googleapis.com/google.protobuf.StringValue", | ||
| "value": "ingressWithoutClientAuth" | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| "listenerFilters": [ | ||
| { | ||
| "name": "tcpListener", | ||
| "typedConfig": { | ||
| "@type": "type.googleapis.com/envoy.extensions.filters.listener.original_dst.v3.OriginalDst" | ||
| } | ||
| } | ||
| ], | ||
| "transparent": true | ||
| } | ||
| ], | ||
| "clusters": [ | ||
| { | ||
| "name": "ingressCluster", | ||
| "type": "ORIGINAL_DST", | ||
| "lbPolicy": "CLUSTER_PROVIDED", | ||
| "dnsLookupFamily": "V4_ONLY" | ||
| }, | ||
| { | ||
| "name": "BlackHoleCluster", | ||
| "type": "STATIC", | ||
| "connectTimeout": "10s" | ||
| } | ||
| ] | ||
| } | ||
| } |