436 lines
12 KiB
Go
436 lines
12 KiB
Go
package awslambda
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import (
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"fmt"
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"testing"
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envoy_cluster_v3 "github.com/envoyproxy/go-control-plane/envoy/config/cluster/v3"
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envoy_core_v3 "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
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envoy_endpoint_v3 "github.com/envoyproxy/go-control-plane/envoy/config/endpoint/v3"
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envoy_listener_v3 "github.com/envoyproxy/go-control-plane/envoy/config/listener/v3"
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envoy_route_v3 "github.com/envoyproxy/go-control-plane/envoy/config/route/v3"
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envoy_lambda_v3 "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/http/aws_lambda/v3"
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envoy_http_v3 "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/network/http_connection_manager/v3"
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envoy_tls_v3 "github.com/envoyproxy/go-control-plane/envoy/extensions/transport_sockets/tls/v3"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"google.golang.org/protobuf/proto"
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"google.golang.org/protobuf/types/known/anypb"
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pstruct "google.golang.org/protobuf/types/known/structpb"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/envoyextensions/extensioncommon"
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"github.com/hashicorp/consul/proto/private/prototest"
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)
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func TestConstructor(t *testing.T) {
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kind := api.ServiceKindTerminatingGateway
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cases := map[string]struct {
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extensionName string
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arn string
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payloadPassthrough bool
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region string
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expected awsLambda
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ok bool
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}{
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"no arguments": {
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ok: false,
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},
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"a bad name": {
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arn: "arn",
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region: "blah",
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extensionName: "bad",
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ok: false,
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},
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"missing arn": {
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region: "blah",
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ok: false,
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},
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"including payload passthrough": {
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arn: "arn",
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region: "blah",
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payloadPassthrough: true,
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expected: awsLambda{
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ARN: "arn",
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PayloadPassthrough: true,
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},
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ok: true,
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},
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}
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for n, tc := range cases {
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t.Run(n, func(t *testing.T) {
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extensionName := api.BuiltinAWSLambdaExtension
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if tc.extensionName != "" {
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extensionName = tc.extensionName
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}
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svc := api.CompoundServiceName{Name: "svc"}
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ext := extensioncommon.RuntimeConfig{
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ServiceName: svc,
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Upstreams: map[api.CompoundServiceName]*extensioncommon.UpstreamData{
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svc: {OutgoingProxyKind: kind},
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},
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EnvoyExtension: api.EnvoyExtension{
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Name: extensionName,
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Arguments: map[string]interface{}{
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"ARN": tc.arn,
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"PayloadPassthrough": tc.payloadPassthrough,
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},
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},
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}
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e, err := Constructor(ext.EnvoyExtension)
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if tc.ok {
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require.NoError(t, err)
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require.Equal(t, &extensioncommon.BasicEnvoyExtender{Extension: &tc.expected}, e)
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} else {
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require.Error(t, err)
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}
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})
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}
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}
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func TestCanApply(t *testing.T) {
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a := awsLambda{}
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require.False(t, a.CanApply(&extensioncommon.RuntimeConfig{
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Kind: api.ServiceKindConnectProxy,
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ServiceName: api.CompoundServiceName{Name: "s1"},
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Upstreams: map[api.CompoundServiceName]*extensioncommon.UpstreamData{
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{Name: "s1"}: {
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OutgoingProxyKind: api.ServiceKindTerminatingGateway,
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},
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},
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}))
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require.True(t, a.CanApply(&extensioncommon.RuntimeConfig{
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Kind: api.ServiceKindConnectProxy,
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ServiceName: api.CompoundServiceName{Name: "s1"},
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Upstreams: map[api.CompoundServiceName]*extensioncommon.UpstreamData{
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{Name: "s1"}: {
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OutgoingProxyKind: api.ServiceKindConnectProxy,
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},
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},
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}))
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}
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func TestPatchCluster(t *testing.T) {
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cases := []struct {
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name string
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lambda awsLambda
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input *envoy_cluster_v3.Cluster
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expectedRegion string
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isErrExpected bool
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}{
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{
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name: "nominal",
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input: &envoy_cluster_v3.Cluster{
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Name: "test-cluster",
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},
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lambda: awsLambda{
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ARN: "arn:aws:lambda:us-east-1:111111111111:function:lambda-1234",
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PayloadPassthrough: true,
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InvocationMode: "Asynchronous",
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},
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expectedRegion: "us-east-1",
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},
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{
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name: "error invalid arn",
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input: &envoy_cluster_v3.Cluster{
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Name: "test-cluster",
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},
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lambda: awsLambda{
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ARN: "?!@%^SA",
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PayloadPassthrough: true,
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InvocationMode: "Asynchronous",
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},
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isErrExpected: true,
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},
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}
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for _, tc := range cases {
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t.Run(tc.name, func(t *testing.T) {
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transportSocket, err := makeUpstreamTLSTransportSocket(&envoy_tls_v3.UpstreamTlsContext{
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Sni: "*.amazonaws.com",
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})
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require.NoError(t, err)
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expectedCluster := &envoy_cluster_v3.Cluster{
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Name: tc.input.Name,
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ConnectTimeout: tc.input.ConnectTimeout,
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ClusterDiscoveryType: &envoy_cluster_v3.Cluster_Type{Type: envoy_cluster_v3.Cluster_LOGICAL_DNS},
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DnsLookupFamily: envoy_cluster_v3.Cluster_V4_ONLY,
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LbPolicy: envoy_cluster_v3.Cluster_ROUND_ROBIN,
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Metadata: &envoy_core_v3.Metadata{
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FilterMetadata: map[string]*pstruct.Struct{
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"com.amazonaws.lambda": {
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Fields: map[string]*pstruct.Value{
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"egress_gateway": {Kind: &pstruct.Value_BoolValue{BoolValue: true}},
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},
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},
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},
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},
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LoadAssignment: &envoy_endpoint_v3.ClusterLoadAssignment{
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ClusterName: tc.input.Name,
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Endpoints: []*envoy_endpoint_v3.LocalityLbEndpoints{
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{
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LbEndpoints: []*envoy_endpoint_v3.LbEndpoint{
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{
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HostIdentifier: &envoy_endpoint_v3.LbEndpoint_Endpoint{
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Endpoint: &envoy_endpoint_v3.Endpoint{
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Address: &envoy_core_v3.Address{
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Address: &envoy_core_v3.Address_SocketAddress{
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SocketAddress: &envoy_core_v3.SocketAddress{
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Address: fmt.Sprintf("lambda.%s.amazonaws.com", tc.expectedRegion),
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PortSpecifier: &envoy_core_v3.SocketAddress_PortValue{
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PortValue: 443,
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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TransportSocket: transportSocket,
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}
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// Test patching the cluster
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rc := extensioncommon.RuntimeConfig{}
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patchedCluster, patchSuccess, err := tc.lambda.PatchCluster(&rc, tc.input)
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if tc.isErrExpected {
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assert.Error(t, err)
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assert.False(t, patchSuccess)
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} else {
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assert.NoError(t, err)
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assert.True(t, patchSuccess)
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assert.Equal(t, expectedCluster, patchedCluster)
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}
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})
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}
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}
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func TestPatchRoute(t *testing.T) {
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tests := map[string]struct {
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conf *extensioncommon.RuntimeConfig
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route *envoy_route_v3.RouteConfiguration
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expectRoute *envoy_route_v3.RouteConfiguration
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expectBool bool
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}{
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"non terminating gateway unmodified": {
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conf: &extensioncommon.RuntimeConfig{
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Kind: api.ServiceKindConnectProxy,
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},
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route: &envoy_route_v3.RouteConfiguration{
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VirtualHosts: []*envoy_route_v3.VirtualHost{
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{
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Routes: []*envoy_route_v3.Route{
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{
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Action: &envoy_route_v3.Route_Route{
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Route: &envoy_route_v3.RouteAction{
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HostRewriteSpecifier: &envoy_route_v3.RouteAction_HostRewriteLiteral{},
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},
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},
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},
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},
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},
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},
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},
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expectRoute: &envoy_route_v3.RouteConfiguration{
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VirtualHosts: []*envoy_route_v3.VirtualHost{
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{
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Routes: []*envoy_route_v3.Route{
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{
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Action: &envoy_route_v3.Route_Route{
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Route: &envoy_route_v3.RouteAction{
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HostRewriteSpecifier: &envoy_route_v3.RouteAction_HostRewriteLiteral{},
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},
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},
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},
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},
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},
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},
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},
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expectBool: false,
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},
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"terminating gateway modified": {
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conf: &extensioncommon.RuntimeConfig{
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Kind: api.ServiceKindTerminatingGateway,
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},
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route: &envoy_route_v3.RouteConfiguration{
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VirtualHosts: []*envoy_route_v3.VirtualHost{
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{
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Routes: []*envoy_route_v3.Route{
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// This should be modified.
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{
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Action: &envoy_route_v3.Route_Route{
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Route: &envoy_route_v3.RouteAction{
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HostRewriteSpecifier: &envoy_route_v3.RouteAction_HostRewriteLiteral{},
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},
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},
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},
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// This should be not be modified.
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{
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Action: &envoy_route_v3.Route_DirectResponse{},
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},
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},
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},
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},
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},
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expectRoute: &envoy_route_v3.RouteConfiguration{
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VirtualHosts: []*envoy_route_v3.VirtualHost{
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{
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Routes: []*envoy_route_v3.Route{
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{
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Action: &envoy_route_v3.Route_Route{
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Route: &envoy_route_v3.RouteAction{
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HostRewriteSpecifier: nil,
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},
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},
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},
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{
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Action: &envoy_route_v3.Route_DirectResponse{},
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},
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},
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},
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},
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},
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expectBool: true,
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},
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}
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for name, tc := range tests {
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t.Run(name, func(t *testing.T) {
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l := awsLambda{}
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r, ok, err := l.PatchRoute(tc.conf, tc.route)
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require.NoError(t, err)
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require.Equal(t, tc.expectRoute, r)
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require.Equal(t, tc.expectBool, ok)
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})
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}
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}
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func TestPatchFilter(t *testing.T) {
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makeAny := func(m proto.Message) *anypb.Any {
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v, err := anypb.New(m)
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require.NoError(t, err)
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return v
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}
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tests := map[string]struct {
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filter *envoy_listener_v3.Filter
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expectFilter *envoy_listener_v3.Filter
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expectBool bool
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expectErr string
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}{
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"invalid filter name is ignored": {
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filter: &envoy_listener_v3.Filter{Name: "something"},
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expectFilter: &envoy_listener_v3.Filter{Name: "something"},
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expectBool: false,
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},
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"error getting typed config": {
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filter: &envoy_listener_v3.Filter{Name: "envoy.filters.network.http_connection_manager"},
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expectFilter: &envoy_listener_v3.Filter{Name: "envoy.filters.network.http_connection_manager"},
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expectBool: false,
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expectErr: "error getting typed config for http filter",
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},
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"error getting http connection manager": {
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filter: &envoy_listener_v3.Filter{
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Name: "envoy.filters.network.http_connection_manager",
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ConfigType: &envoy_listener_v3.Filter_TypedConfig{
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TypedConfig: &anypb.Any{},
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},
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},
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expectFilter: &envoy_listener_v3.Filter{
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Name: "envoy.filters.network.http_connection_manager",
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ConfigType: &envoy_listener_v3.Filter_TypedConfig{
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TypedConfig: &anypb.Any{},
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},
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},
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expectBool: false,
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expectErr: "error unmarshalling filter",
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},
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"StripAnyHostPort is set": {
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filter: &envoy_listener_v3.Filter{
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Name: "envoy.filters.network.http_connection_manager",
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ConfigType: &envoy_listener_v3.Filter_TypedConfig{
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TypedConfig: makeAny(&envoy_http_v3.HttpConnectionManager{}),
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},
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},
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expectFilter: &envoy_listener_v3.Filter{
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Name: "envoy.filters.network.http_connection_manager",
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ConfigType: &envoy_listener_v3.Filter_TypedConfig{
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TypedConfig: makeAny(&envoy_http_v3.HttpConnectionManager{
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StripPortMode: &envoy_http_v3.HttpConnectionManager_StripAnyHostPort{
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StripAnyHostPort: true,
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},
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}),
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},
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},
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expectBool: true,
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},
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"lambda filter injected correctly": {
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filter: &envoy_listener_v3.Filter{
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Name: "envoy.filters.network.http_connection_manager",
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ConfigType: &envoy_listener_v3.Filter_TypedConfig{
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TypedConfig: makeAny(&envoy_http_v3.HttpConnectionManager{
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HttpFilters: []*envoy_http_v3.HttpFilter{
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{Name: "one"},
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{Name: "two"},
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{Name: "envoy.filters.http.router"},
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{Name: "three"},
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},
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}),
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},
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},
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expectFilter: &envoy_listener_v3.Filter{
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Name: "envoy.filters.network.http_connection_manager",
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ConfigType: &envoy_listener_v3.Filter_TypedConfig{
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TypedConfig: makeAny(&envoy_http_v3.HttpConnectionManager{
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StripPortMode: &envoy_http_v3.HttpConnectionManager_StripAnyHostPort{
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StripAnyHostPort: true,
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},
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HttpFilters: []*envoy_http_v3.HttpFilter{
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{Name: "one"},
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{Name: "two"},
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{
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Name: "envoy.filters.http.aws_lambda",
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ConfigType: &envoy_http_v3.HttpFilter_TypedConfig{TypedConfig: makeAny(
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&envoy_lambda_v3.Config{
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Arn: "some-arn",
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PayloadPassthrough: true,
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InvocationMode: envoy_lambda_v3.Config_ASYNCHRONOUS,
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},
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)},
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},
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{Name: "envoy.filters.http.router"},
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{Name: "three"},
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},
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}),
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},
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},
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expectBool: true,
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},
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}
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for name, tc := range tests {
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t.Run(name, func(t *testing.T) {
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l := awsLambda{
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ARN: "some-arn",
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PayloadPassthrough: true,
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InvocationMode: "asynchronous",
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}
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f, ok, err := l.PatchFilter(nil, tc.filter)
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require.Equal(t, tc.expectBool, ok)
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if tc.expectErr == "" {
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require.NoError(t, err)
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} else {
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require.ErrorContains(t, err, tc.expectErr)
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}
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prototest.AssertDeepEqual(t, tc.expectFilter, f)
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})
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}
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}
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