open-consul/agent/proxycfg/testing_tproxy.go

526 lines
15 KiB
Go
Raw Normal View History

package proxycfg
import (
"time"
"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, &structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: "mongo",
ConnectTimeout: 33 * time.Second,
})
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},
},
},
})
}