package proxycfg import ( "github.com/mitchellh/go-testing-interface" "github.com/hashicorp/consul/agent/cache" "github.com/hashicorp/consul/agent/connect" "github.com/hashicorp/consul/agent/consul/discoverychain" "github.com/hashicorp/consul/agent/structs" ) func TestConfigSnapshotTransparentProxy(t testing.T) *ConfigSnapshot { // DiscoveryChain without an UpstreamConfig should yield a // filter chain when in transparent proxy mode var ( google = structs.NewServiceName("google", nil) googleUID = NewUpstreamIDFromServiceName(google) googleChain = discoverychain.TestCompileConfigEntries(t, "google", "default", "default", "dc1", connect.TestClusterID+".consul", nil) noEndpoints = structs.NewServiceName("no-endpoints", nil) noEndpointsUID = NewUpstreamIDFromServiceName(noEndpoints) noEndpointsChain = discoverychain.TestCompileConfigEntries(t, "no-endpoints", "default", "default", "dc1", connect.TestClusterID+".consul", nil) db = structs.NewServiceName("db", nil) ) return TestConfigSnapshot(t, func(ns *structs.NodeService) { ns.Proxy.Mode = structs.ProxyModeTransparent }, []cache.UpdateEvent{ { CorrelationID: meshConfigEntryID, Result: &structs.ConfigEntryResponse{ Entry: nil, }, }, { CorrelationID: intentionUpstreamsID, Result: &structs.IndexedServiceList{ Services: structs.ServiceList{ google, noEndpoints, // In transparent proxy mode, watches for // upstreams in the local DC are handled by the // IntentionUpstreams watch! db, }, }, }, { CorrelationID: "discovery-chain:" + googleUID.String(), Result: &structs.DiscoveryChainResponse{ Chain: googleChain, }, }, { CorrelationID: "discovery-chain:" + noEndpointsUID.String(), Result: &structs.DiscoveryChainResponse{ Chain: noEndpointsChain, }, }, { CorrelationID: "upstream-target:google.default.default.dc1:" + googleUID.String(), Result: &structs.IndexedCheckServiceNodes{ Nodes: []structs.CheckServiceNode{ { Node: &structs.Node{ Address: "8.8.8.8", Datacenter: "dc1", }, Service: &structs.NodeService{ Service: "google", Address: "9.9.9.9", Port: 9090, TaggedAddresses: map[string]structs.ServiceAddress{ "virtual": {Address: "10.0.0.1"}, structs.TaggedAddressVirtualIP: {Address: "240.0.0.1"}, }, }, }, }, }, }, { CorrelationID: "upstream-target:google-v2.default.default.dc1:" + googleUID.String(), Result: &structs.IndexedCheckServiceNodes{ // Other targets of the discovery chain should be ignored. // We only match on the upstream's virtual IP, not the IPs of other targets. Nodes: []structs.CheckServiceNode{ { Node: &structs.Node{ Address: "7.7.7.7", Datacenter: "dc1", }, Service: &structs.NodeService{ Service: "google-v2", TaggedAddresses: map[string]structs.ServiceAddress{ "virtual": {Address: "10.10.10.10"}, }, }, }, }, }, }, { CorrelationID: "upstream-target:" + noEndpointsChain.ID() + ":" + noEndpointsUID.String(), Result: &structs.IndexedCheckServiceNodes{ // DiscoveryChains without endpoints do not get a // filter chain because there are no addresses to // match on. Nodes: []structs.CheckServiceNode{}, }, }, }) } func TestConfigSnapshotTransparentProxyHTTPUpstream(t testing.T) *ConfigSnapshot { // DiscoveryChain without an UpstreamConfig should yield a // filter chain when in transparent proxy mode var ( google = structs.NewServiceName("google", nil) googleUID = NewUpstreamIDFromServiceName(google) googleChain = discoverychain.TestCompileConfigEntries(t, "google", "default", "default", "dc1", connect.TestClusterID+".consul", nil, // Set default service protocol to HTTP &structs.ProxyConfigEntry{ Kind: structs.ProxyDefaults, Name: structs.ProxyConfigGlobal, Config: map[string]interface{}{ "protocol": "http", }, }, ) noEndpoints = structs.NewServiceName("no-endpoints", nil) noEndpointsUID = NewUpstreamIDFromServiceName(noEndpoints) noEndpointsChain = discoverychain.TestCompileConfigEntries(t, "no-endpoints", "default", "default", "dc1", connect.TestClusterID+".consul", nil) db = structs.NewServiceName("db", nil) ) return TestConfigSnapshot(t, func(ns *structs.NodeService) { ns.Proxy.Mode = structs.ProxyModeTransparent }, []cache.UpdateEvent{ { CorrelationID: meshConfigEntryID, Result: &structs.ConfigEntryResponse{ Entry: nil, }, }, { CorrelationID: intentionUpstreamsID, Result: &structs.IndexedServiceList{ Services: structs.ServiceList{ google, noEndpoints, // In transparent proxy mode, watches for // upstreams in the local DC are handled by the // IntentionUpstreams watch! db, }, }, }, { CorrelationID: "discovery-chain:" + googleUID.String(), Result: &structs.DiscoveryChainResponse{ Chain: googleChain, }, }, { CorrelationID: "discovery-chain:" + noEndpointsUID.String(), Result: &structs.DiscoveryChainResponse{ Chain: noEndpointsChain, }, }, { CorrelationID: "upstream-target:google.default.default.dc1:" + googleUID.String(), Result: &structs.IndexedCheckServiceNodes{ Nodes: []structs.CheckServiceNode{ { Node: &structs.Node{ Address: "8.8.8.8", Datacenter: "dc1", }, Service: &structs.NodeService{ Service: "google", Address: "9.9.9.9", Port: 9090, TaggedAddresses: map[string]structs.ServiceAddress{ "virtual": {Address: "10.0.0.1"}, structs.TaggedAddressVirtualIP: {Address: "240.0.0.1"}, }, }, }, }, }, }, { CorrelationID: "upstream-target:google-v2.default.default.dc1:" + googleUID.String(), Result: &structs.IndexedCheckServiceNodes{ // Other targets of the discovery chain should be ignored. // We only match on the upstream's virtual IP, not the IPs of other targets. Nodes: []structs.CheckServiceNode{ { Node: &structs.Node{ Address: "7.7.7.7", Datacenter: "dc1", }, Service: &structs.NodeService{ Service: "google-v2", TaggedAddresses: map[string]structs.ServiceAddress{ "virtual": {Address: "10.10.10.10"}, }, }, }, }, }, }, { CorrelationID: "upstream-target:" + noEndpointsChain.ID() + ":" + noEndpointsUID.String(), Result: &structs.IndexedCheckServiceNodes{ // DiscoveryChains without endpoints do not get a // filter chain because there are no addresses to // match on. Nodes: []structs.CheckServiceNode{}, }, }, }) } func TestConfigSnapshotTransparentProxyCatalogDestinationsOnly(t testing.T) *ConfigSnapshot { // DiscoveryChain without an UpstreamConfig should yield a // filter chain when in transparent proxy mode var ( google = structs.NewServiceName("google", nil) googleUID = NewUpstreamIDFromServiceName(google) googleChain = discoverychain.TestCompileConfigEntries(t, "google", "default", "default", "dc1", connect.TestClusterID+".consul", nil) noEndpoints = structs.NewServiceName("no-endpoints", nil) noEndpointsUID = NewUpstreamIDFromServiceName(noEndpoints) noEndpointsChain = discoverychain.TestCompileConfigEntries(t, "no-endpoints", "default", "default", "dc1", connect.TestClusterID+".consul", nil) db = structs.NewServiceName("db", nil) ) return TestConfigSnapshot(t, func(ns *structs.NodeService) { ns.Proxy.Mode = structs.ProxyModeTransparent }, []cache.UpdateEvent{ { CorrelationID: meshConfigEntryID, Result: &structs.ConfigEntryResponse{ Entry: &structs.MeshConfigEntry{ TransparentProxy: structs.TransparentProxyMeshConfig{ MeshDestinationsOnly: true, }, }, }, }, { CorrelationID: intentionUpstreamsID, Result: &structs.IndexedServiceList{ Services: structs.ServiceList{ google, noEndpoints, // In transparent proxy mode, watches for // upstreams in the local DC are handled by the // IntentionUpstreams watch! db, }, }, }, { CorrelationID: "discovery-chain:" + googleUID.String(), Result: &structs.DiscoveryChainResponse{ Chain: googleChain, }, }, { CorrelationID: "discovery-chain:" + noEndpointsUID.String(), Result: &structs.DiscoveryChainResponse{ Chain: noEndpointsChain, }, }, { CorrelationID: "upstream-target:" + googleChain.ID() + ":" + googleUID.String(), Result: &structs.IndexedCheckServiceNodes{ Nodes: []structs.CheckServiceNode{ { Node: &structs.Node{ Address: "8.8.8.8", Datacenter: "dc1", }, Service: &structs.NodeService{ Service: "google", Address: "9.9.9.9", Port: 9090, TaggedAddresses: map[string]structs.ServiceAddress{ "virtual": {Address: "10.0.0.1"}, }, }, }, }, }, }, { CorrelationID: "upstream-target:" + noEndpointsChain.ID() + ":" + noEndpointsUID.String(), Result: &structs.IndexedCheckServiceNodes{ // DiscoveryChains without endpoints do not get a // filter chain because there are no addresses to // match on. Nodes: []structs.CheckServiceNode{}, }, }, }) } func TestConfigSnapshotTransparentProxyDialDirectly(t testing.T) *ConfigSnapshot { // DiscoveryChain without an UpstreamConfig should yield a // filter chain when in transparent proxy mode var ( kafka = structs.NewServiceName("kafka", nil) kafkaUID = NewUpstreamIDFromServiceName(kafka) kafkaChain = discoverychain.TestCompileConfigEntries(t, "kafka", "default", "default", "dc1", connect.TestClusterID+".consul", nil) mongo = structs.NewServiceName("mongo", nil) mongoUID = NewUpstreamIDFromServiceName(mongo) mongoChain = discoverychain.TestCompileConfigEntries(t, "mongo", "default", "default", "dc1", connect.TestClusterID+".consul", nil) db = structs.NewServiceName("db", nil) ) return TestConfigSnapshot(t, func(ns *structs.NodeService) { ns.Proxy.Mode = structs.ProxyModeTransparent }, []cache.UpdateEvent{ { CorrelationID: meshConfigEntryID, Result: &structs.ConfigEntryResponse{ Entry: nil, }, }, { CorrelationID: intentionUpstreamsID, Result: &structs.IndexedServiceList{ Services: structs.ServiceList{ kafka, mongo, // In transparent proxy mode, watches for // upstreams in the local DC are handled by the // IntentionUpstreams watch! db, }, }, }, { CorrelationID: "discovery-chain:" + kafkaUID.String(), Result: &structs.DiscoveryChainResponse{ Chain: kafkaChain, }, }, { CorrelationID: "discovery-chain:" + mongoUID.String(), Result: &structs.DiscoveryChainResponse{ Chain: mongoChain, }, }, { CorrelationID: "upstream-target:" + mongoChain.ID() + ":" + mongoUID.String(), Result: &structs.IndexedCheckServiceNodes{ // There should still be a filter chain for mongo's virtual address Nodes: []structs.CheckServiceNode{ { Node: &structs.Node{ Datacenter: "dc1", }, Service: &structs.NodeService{ Service: "mongo", Address: "10.10.10.10", Port: 27017, TaggedAddresses: map[string]structs.ServiceAddress{ "virtual": {Address: "6.6.6.6"}, }, Proxy: structs.ConnectProxyConfig{ TransparentProxy: structs.TransparentProxyConfig{ DialedDirectly: true, }, }, }, }, { Node: &structs.Node{ Datacenter: "dc1", }, Service: &structs.NodeService{ Service: "mongo", Address: "10.10.10.12", Port: 27017, TaggedAddresses: map[string]structs.ServiceAddress{ "virtual": {Address: "6.6.6.6"}, }, Proxy: structs.ConnectProxyConfig{ TransparentProxy: structs.TransparentProxyConfig{ DialedDirectly: true, }, }, }, }, }, }, }, { CorrelationID: "upstream-target:" + kafkaChain.ID() + ":" + kafkaUID.String(), Result: &structs.IndexedCheckServiceNodes{ Nodes: []structs.CheckServiceNode{ { Node: &structs.Node{ Datacenter: "dc1", }, Service: &structs.NodeService{ Service: "kafka", Address: "9.9.9.9", Port: 9092, Proxy: structs.ConnectProxyConfig{ TransparentProxy: structs.TransparentProxyConfig{ DialedDirectly: true, }, }, }, }, }, }, }, }) } func TestConfigSnapshotTransparentProxyTerminatingGatewayCatalogDestinationsOnly(t testing.T) *ConfigSnapshot { // DiscoveryChain without an UpstreamConfig should yield a // filter chain when in transparent proxy mode var ( google = structs.NewServiceName("google", nil) googleUID = NewUpstreamIDFromServiceName(google) googleChain = discoverychain.TestCompileConfigEntries(t, "google", "default", "default", "dc1", connect.TestClusterID+".consul", nil) kafka = structs.NewServiceName("kafka", nil) kafkaUID = NewUpstreamIDFromServiceName(kafka) kafkaChain = discoverychain.TestCompileConfigEntries(t, "kafka", "default", "default", "dc1", connect.TestClusterID+".consul", nil) db = structs.NewServiceName("db", nil) ) // DiscoveryChain without an UpstreamConfig should yield a filter chain when in transparent proxy mode tgate := structs.CheckServiceNode{ Node: &structs.Node{ Address: "8.8.8.8", Datacenter: "dc1", }, Service: &structs.NodeService{ Service: "tgate1", Kind: structs.ServiceKind(structs.TerminatingGateway), Address: "9.9.9.9", Port: 9090, TaggedAddresses: map[string]structs.ServiceAddress{ structs.ServiceGatewayVirtualIPTag(google): {Address: "10.0.0.1"}, structs.ServiceGatewayVirtualIPTag(kafka): {Address: "10.0.0.2"}, "virtual": {Address: "6.6.6.6"}, }, }, } return TestConfigSnapshot(t, func(ns *structs.NodeService) { ns.Proxy.Mode = structs.ProxyModeTransparent }, []cache.UpdateEvent{ { CorrelationID: meshConfigEntryID, Result: &structs.ConfigEntryResponse{ Entry: &structs.MeshConfigEntry{ TransparentProxy: structs.TransparentProxyMeshConfig{ MeshDestinationsOnly: true, }, }, }, }, { CorrelationID: intentionUpstreamsID, Result: &structs.IndexedServiceList{ Services: structs.ServiceList{ google, kafka, // In transparent proxy mode, watches for // upstreams in the local DC are handled by the // IntentionUpstreams watch! db, }, }, }, { CorrelationID: "discovery-chain:" + googleUID.String(), Result: &structs.DiscoveryChainResponse{ Chain: googleChain, }, }, { CorrelationID: "discovery-chain:" + kafkaUID.String(), Result: &structs.DiscoveryChainResponse{ Chain: kafkaChain, }, }, { CorrelationID: "upstream-target:" + googleChain.ID() + ":" + googleUID.String(), Result: &structs.IndexedCheckServiceNodes{ Nodes: []structs.CheckServiceNode{tgate}, }, }, { CorrelationID: "upstream-target:" + kafkaChain.ID() + ":" + kafkaUID.String(), Result: &structs.IndexedCheckServiceNodes{ Nodes: []structs.CheckServiceNode{tgate}, }, }, }) }