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