consul/agent/xds/resources_test.go

457 lines
15 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package xds
import (
"path/filepath"
"sort"
"testing"
envoy_cluster_v3 "github.com/envoyproxy/go-control-plane/envoy/config/cluster/v3"
envoy_endpoint_v3 "github.com/envoyproxy/go-control-plane/envoy/config/endpoint/v3"
envoy_listener_v3 "github.com/envoyproxy/go-control-plane/envoy/config/listener/v3"
envoy_route_v3 "github.com/envoyproxy/go-control-plane/envoy/config/route/v3"
envoy_tls_v3 "github.com/envoyproxy/go-control-plane/envoy/extensions/transport_sockets/tls/v3"
"github.com/hashicorp/consul/agent/connect"
"github.com/hashicorp/consul/agent/consul/discoverychain"
"github.com/hashicorp/consul/agent/xds/testcommon"
"github.com/hashicorp/consul/envoyextensions/xdscommon"
testinf "github.com/mitchellh/go-testing-interface"
"github.com/stretchr/testify/require"
"github.com/hashicorp/consul/agent/proxycfg"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/sdk/testutil"
)
var testTypeUrlToPrettyName = map[string]string{
xdscommon.ListenerType: "listeners",
xdscommon.RouteType: "routes",
xdscommon.ClusterType: "clusters",
xdscommon.EndpointType: "endpoints",
xdscommon.SecretType: "secrets",
}
type goldenTestCase struct {
name string
create func(t testinf.T) *proxycfg.ConfigSnapshot
// Setup is called before the test starts. It is passed the snapshot from
// TestConfigSnapshot and is allowed to modify it in any way to setup the
// test input.
setup func(snap *proxycfg.ConfigSnapshot)
overrideGoldenName string
generatorSetup func(*ResourceGenerator)
}
func TestAllResourcesFromSnapshot(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
type testcase = goldenTestCase
run := func(
t *testing.T,
sf xdscommon.SupportedProxyFeatures,
envoyVersion string,
latestEnvoyVersion string,
tt testcase,
) {
// Sanity check default with no overrides first
snap := tt.create(t)
// TODO: it would be nice to be able to ensure these snapshots are always valid before we use them in a test.
// require.True(t, snap.Valid())
// We need to replace the TLS certs with deterministic ones to make golden
// files workable. Note we don't update these otherwise they'd change
// golden files for every test case and so not be any use!
testcommon.SetupTLSRootsAndLeaf(t, snap)
if tt.setup != nil {
tt.setup(snap)
}
// Need server just for logger dependency
g := NewResourceGenerator(testutil.Logger(t), nil, false)
g.ProxyFeatures = sf
if tt.generatorSetup != nil {
tt.generatorSetup(g)
}
resources, err := g.AllResourcesFromSnapshot(snap)
require.NoError(t, err)
typeUrls := []string{
xdscommon.ListenerType,
xdscommon.RouteType,
xdscommon.ClusterType,
xdscommon.EndpointType,
xdscommon.SecretType,
}
require.Len(t, resources, len(typeUrls))
for _, typeUrl := range typeUrls {
prettyName := testTypeUrlToPrettyName[typeUrl]
t.Run(prettyName, func(t *testing.T) {
items, ok := resources[typeUrl]
require.True(t, ok)
sort.Slice(items, func(i, j int) bool {
switch typeUrl {
case xdscommon.ListenerType:
return items[i].(*envoy_listener_v3.Listener).Name < items[j].(*envoy_listener_v3.Listener).Name
case xdscommon.RouteType:
return items[i].(*envoy_route_v3.RouteConfiguration).Name < items[j].(*envoy_route_v3.RouteConfiguration).Name
case xdscommon.ClusterType:
return items[i].(*envoy_cluster_v3.Cluster).Name < items[j].(*envoy_cluster_v3.Cluster).Name
case xdscommon.EndpointType:
return items[i].(*envoy_endpoint_v3.ClusterLoadAssignment).ClusterName < items[j].(*envoy_endpoint_v3.ClusterLoadAssignment).ClusterName
case xdscommon.SecretType:
return items[i].(*envoy_tls_v3.Secret).Name < items[j].(*envoy_tls_v3.Secret).Name
default:
panic("not possible")
}
})
r, err := createResponse(typeUrl, "00000001", "00000001", items)
require.NoError(t, err)
gotJSON := protoToJSON(t, r)
gName := tt.name
if tt.overrideGoldenName != "" {
gName = tt.overrideGoldenName
}
expectedJSON := goldenEnvoy(t, filepath.Join(prettyName, gName), envoyVersion, latestEnvoyVersion, gotJSON)
require.JSONEq(t, expectedJSON, gotJSON)
})
}
}
tests := []testcase{
{
name: "defaults",
create: func(t testinf.T) *proxycfg.ConfigSnapshot {
return proxycfg.TestConfigSnapshot(t, nil, nil)
},
},
{
name: "connect-proxy-exported-to-peers",
create: func(t testinf.T) *proxycfg.ConfigSnapshot {
return proxycfg.TestConfigSnapshot(t, func(ns *structs.NodeService) {
// This test is only concerned about the SPIFFE cert validator config in the public listener
// so we empty out the upstreams to avoid generating unnecessary upstream listeners.
ns.Proxy.Upstreams = structs.Upstreams{}
}, []proxycfg.UpdateEvent{
{
CorrelationID: "peering-trust-bundles",
Result: proxycfg.TestPeerTrustBundles(t),
},
})
},
},
{
name: "transparent-proxy",
create: proxycfg.TestConfigSnapshotTransparentProxy,
},
{
name: "connect-proxy-with-peered-upstreams",
create: proxycfg.TestConfigSnapshotPeering,
},
{
name: "transparent-proxy-with-peered-upstreams",
create: proxycfg.TestConfigSnapshotPeeringTProxy,
},
{
name: "local-mesh-gateway-with-peered-upstreams",
create: proxycfg.TestConfigSnapshotPeeringLocalMeshGateway,
},
{
name: "telemetry-collector",
create: proxycfg.TestConfigSnapshotTelemetryCollector,
},
}
tests = append(tests, getConnectProxyTransparentProxyGoldenTestCases()...)
tests = append(tests, getMeshGatewayPeeringGoldenTestCases()...)
tests = append(tests, getTrafficControlPeeringGoldenTestCases(false)...)
tests = append(tests, getEnterpriseGoldenTestCases()...)
tests = append(tests, getAPIGatewayGoldenTestCases(t)...)
latestEnvoyVersion := xdscommon.EnvoyVersions[0]
for _, envoyVersion := range xdscommon.EnvoyVersions {
sf, err := xdscommon.DetermineSupportedProxyFeaturesFromString(envoyVersion)
require.NoError(t, err)
t.Run("envoy-"+envoyVersion, func(t *testing.T) {
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
run(t, sf, envoyVersion, latestEnvoyVersion, tt)
})
}
})
}
}
func getConnectProxyTransparentProxyGoldenTestCases() []goldenTestCase {
return []goldenTestCase{
{
name: "transparent-proxy-destination",
create: proxycfg.TestConfigSnapshotTransparentProxyDestination,
},
{
name: "transparent-proxy-destination-http",
create: func(t testinf.T) *proxycfg.ConfigSnapshot {
return proxycfg.TestConfigSnapshotTransparentProxyDestinationHTTP(t, nil)
},
},
{
name: "transparent-proxy-terminating-gateway-destinations-only",
create: func(t testinf.T) *proxycfg.ConfigSnapshot {
return proxycfg.TestConfigSnapshotTerminatingGatewayDestinations(t, true, nil)
},
},
}
}
func getMeshGatewayPeeringGoldenTestCases() []goldenTestCase {
return []goldenTestCase{
{
name: "mesh-gateway-with-exported-peered-services",
create: func(t testinf.T) *proxycfg.ConfigSnapshot {
return proxycfg.TestConfigSnapshotPeeredMeshGateway(t, "default-services-tcp", nil, nil)
},
},
{
name: "mesh-gateway-with-exported-peered-services-http",
create: func(t testinf.T) *proxycfg.ConfigSnapshot {
return proxycfg.TestConfigSnapshotPeeredMeshGateway(t, "default-services-http", nil, nil)
},
},
{
name: "mesh-gateway-with-exported-peered-services-http-with-router",
create: func(t testinf.T) *proxycfg.ConfigSnapshot {
return proxycfg.TestConfigSnapshotPeeredMeshGateway(t, "chain-and-l7-stuff", nil, nil)
},
},
{
name: "mesh-gateway-peering-control-plane",
create: func(t testinf.T) *proxycfg.ConfigSnapshot {
return proxycfg.TestConfigSnapshotPeeredMeshGateway(t, "control-plane", nil, nil)
},
},
{
name: "mesh-gateway-with-imported-peered-services",
create: func(t testinf.T) *proxycfg.ConfigSnapshot {
return proxycfg.TestConfigSnapshotPeeredMeshGateway(t, "imported-services", nil, nil)
},
},
{
name: "mesh-gateway-with-peer-through-mesh-gateway-enabled",
create: func(t testinf.T) *proxycfg.ConfigSnapshot {
return proxycfg.TestConfigSnapshotPeeredMeshGateway(t, "peer-through-mesh-gateway", nil, nil)
},
},
}
}
func getTrafficControlPeeringGoldenTestCases(enterprise bool) []goldenTestCase {
cases := []goldenTestCase{
{
name: "connect-proxy-with-chain-and-failover-to-cluster-peer",
create: func(t testinf.T) *proxycfg.ConfigSnapshot {
return proxycfg.TestConfigSnapshotDiscoveryChain(t, "failover-to-cluster-peer", enterprise, nil, nil)
},
},
{
name: "connect-proxy-with-chain-and-redirect-to-cluster-peer",
create: func(t testinf.T) *proxycfg.ConfigSnapshot {
return proxycfg.TestConfigSnapshotDiscoveryChain(t, "redirect-to-cluster-peer", enterprise, nil, nil)
},
},
}
if enterprise {
for i := range cases {
cases[i].name = "enterprise-" + cases[i].name
}
}
return cases
}
const (
gatewayTestPrivateKey = `-----BEGIN RSA PRIVATE KEY-----
MIIEowIBAAKCAQEAx95Opa6t4lGEpiTUogEBptqOdam2ch4BHQGhNhX/MrDwwuZQ
httBwMfngQ/wd9NmYEPAwj0dumUoAITIq6i2jQlhqTodElkbsd5vWY8R/bxJWQSo
NvVE12TlzECxGpJEiHt4W0r8pGffk+rvpljiUyCfnT1kGF3znOSjK1hRMTn6RKWC
yYaBvXQiB4SGilfLgJcEpOJKtISIxmZ+S409g9X5VU88/Bmmrz4cMyxce86Kc2ug
5/MOv0CjWDJwlrv8njneV2zvraQ61DDwQftrXOvuCbO5IBRHMOBHiHTZ4rtGuhMa
Ir21V4vb6n8c4YzXiFvhUYcyX7rltGZzVd+WmQIDAQABAoIBACYvceUzp2MK4gYA
GWPOP2uKbBdM0l+hHeNV0WAM+dHMfmMuL4pkT36ucqt0ySOLjw6rQyOZG5nmA6t9
sv0g4ae2eCMlyDIeNi1Yavu4Wt6YX4cTXbQKThm83C6W2X9THKbauBbxD621bsDK
7PhiGPN60yPue7YwFQAPqqD4YaK+s22HFIzk9gwM/rkvAUNwRv7SyHMiFe4Igc1C
Eev7iHWzvj5Heoz6XfF+XNF9DU+TieSUAdjd56VyUb8XL4+uBTOhHwLiXvAmfaMR
HvpcxeKnYZusS6NaOxcUHiJnsLNWrxmJj9WEGgQzuLxcLjTe4vVmELVZD8t3QUKj
PAxu8tUCgYEA7KIWVn9dfVpokReorFym+J8FzLwSktP9RZYEMonJo00i8aii3K9s
u/aSwRWQSCzmON1ZcxZzWhwQF9usz6kGCk//9+4hlVW90GtNK0RD+j7sp4aT2JI8
9eLEjTG+xSXa7XWe98QncjjL9lu/yrRncSTxHs13q/XP198nn2aYuQ8CgYEA2Dnt
sRBzv0fFEvzzFv7G/5f85mouN38TUYvxNRTjBLCXl9DeKjDkOVZ2b6qlfQnYXIru
H+W+v+AZEb6fySXc8FRab7lkgTMrwE+aeI4rkW7asVwtclv01QJ5wMnyT84AgDD/
Dgt/RThFaHgtU9TW5GOZveL+l9fVPn7vKFdTJdcCgYEArJ99zjHxwJ1whNAOk1av
09UmRPm6TvRo4heTDk8oEoIWCNatoHI0z1YMLuENNSnT9Q280FFDayvnrY/qnD7A
kktT/sjwJOG8q8trKzIMqQS4XWm2dxoPcIyyOBJfCbEY6XuRsUuePxwh5qF942EB
yS9a2s6nC4Ix0lgPrqAIr48CgYBgS/Q6riwOXSU8nqCYdiEkBYlhCJrKpnJxF9T1
ofa0yPzKZP/8ZEfP7VzTwHjxJehQ1qLUW9pG08P2biH1UEKEWdzo8vT6wVJT1F/k
HtTycR8+a+Hlk2SHVRHqNUYQGpuIe8mrdJ1as4Pd0d/F/P0zO9Rlh+mAsGPM8HUM
T0+9gwKBgHDoerX7NTskg0H0t8O+iSMevdxpEWp34ZYa9gHiftTQGyrRgERCa7Gj
nZPAxKb2JoWyfnu3v7G5gZ8fhDFsiOxLbZv6UZJBbUIh1MjJISpXrForDrC2QNLX
kHrHfwBFDB3KMudhQknsJzEJKCL/KmFH6o0MvsoaT9yzEl3K+ah/
-----END RSA PRIVATE KEY-----`
gatewayTestCertificate = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`
)
func getAPIGatewayGoldenTestCases(t *testing.T) []goldenTestCase {
t.Helper()
service := structs.NewServiceName("service", nil)
serviceUID := proxycfg.NewUpstreamIDFromServiceName(service)
serviceChain := discoverychain.TestCompileConfigEntries(t, "service", "default", "default", "dc1", connect.TestClusterID+".consul", nil, nil)
return []goldenTestCase{
{
name: "api-gateway-with-tcp-route-and-inline-certificate",
create: func(t testinf.T) *proxycfg.ConfigSnapshot {
return proxycfg.TestConfigSnapshotAPIGateway(t, "default", nil, func(entry *structs.APIGatewayConfigEntry, bound *structs.BoundAPIGatewayConfigEntry) {
entry.Listeners = []structs.APIGatewayListener{
{
Name: "listener",
Protocol: structs.ListenerProtocolTCP,
Port: 8080,
TLS: structs.APIGatewayTLSConfiguration{
Certificates: []structs.ResourceReference{{
Kind: structs.InlineCertificate,
Name: "certificate",
}},
},
},
}
bound.Listeners = []structs.BoundAPIGatewayListener{
{
Name: "listener",
Certificates: []structs.ResourceReference{{
Kind: structs.InlineCertificate,
Name: "certificate",
}},
Routes: []structs.ResourceReference{{
Kind: structs.TCPRoute,
Name: "route",
}},
},
}
},
[]structs.BoundRoute{
&structs.TCPRouteConfigEntry{
Kind: structs.TCPRoute,
Name: "route",
Services: []structs.TCPService{{
Name: "service",
}},
Parents: []structs.ResourceReference{
{
Kind: structs.APIGateway,
Name: "api-gateway",
},
},
},
}, []structs.InlineCertificateConfigEntry{{
Kind: structs.InlineCertificate,
Name: "certificate",
PrivateKey: gatewayTestPrivateKey,
Certificate: gatewayTestCertificate,
}}, nil)
},
},
{
name: "api-gateway-with-http-route-and-inline-certificate",
create: func(t testinf.T) *proxycfg.ConfigSnapshot {
return proxycfg.TestConfigSnapshotAPIGateway(t, "default", nil, func(entry *structs.APIGatewayConfigEntry, bound *structs.BoundAPIGatewayConfigEntry) {
entry.Listeners = []structs.APIGatewayListener{
{
Name: "listener",
Protocol: structs.ListenerProtocolHTTP,
Port: 8080,
},
}
bound.Listeners = []structs.BoundAPIGatewayListener{
{
Name: "listener",
Routes: []structs.ResourceReference{{
Kind: structs.HTTPRoute,
Name: "route",
}},
},
}
}, []structs.BoundRoute{
&structs.HTTPRouteConfigEntry{
Kind: structs.HTTPRoute,
Name: "route",
Rules: []structs.HTTPRouteRule{{
Filters: structs.HTTPFilters{
Headers: []structs.HTTPHeaderFilter{
{
Add: map[string]string{
"X-Header-Add": "added",
},
Set: map[string]string{
"X-Header-Set": "set",
},
Remove: []string{"X-Header-Remove"},
},
},
},
Services: []structs.HTTPService{{
Name: "service",
}},
}},
Parents: []structs.ResourceReference{
{
Kind: structs.APIGateway,
Name: "api-gateway",
},
},
},
}, nil, []proxycfg.UpdateEvent{{
CorrelationID: "discovery-chain:" + serviceUID.String(),
Result: &structs.DiscoveryChainResponse{
Chain: serviceChain,
},
}, {
CorrelationID: "upstream-target:" + serviceChain.ID() + ":" + serviceUID.String(),
Result: &structs.IndexedCheckServiceNodes{
Nodes: proxycfg.TestUpstreamNodes(t, "service"),
},
}})
},
},
}
}