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Merge pull request #12385 from hashicorp/tproxy-http-upstream-fix 

xds: respect chain protocol on default discovery chain
This commit is contained in:
Kyle Havlovitz 2022-02-18 10:08:59 -08:00 committed by GitHub
parent 32b0c1d594 6b9eb17df1
commit 9c03b5dc3d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 282 additions and 12 deletions
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3
.changelog/12385.txt Normal file
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@ -0,0 +1,3 @@
```release-note:bug
xds: Fixed Envoy http features such as outlier detection and retry policy not working correctly with transparent proxy.
```

24
agent/xds/listeners.go
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@ -1304,7 +1304,7 @@ func (s *ResourceGenerator) getAndModifyUpstreamConfigForListener(
configMap = u.Config
}
if chain == nil || chain.IsDefault() {
cfg, err = structs.ParseUpstreamConfig(configMap)
cfg, err = structs.ParseUpstreamConfigNoDefaults(configMap)
if err != nil {
// Don't hard fail on a config typo, just warn. The parse func returns
// default config if there is an error so it's safe to continue.
@ -1327,19 +1327,19 @@ func (s *ResourceGenerator) getAndModifyUpstreamConfigForListener(
// Remove from config struct so we don't use it later on
cfg.EnvoyListenerJSON = ""
}
protocol := cfg.Protocol
if protocol == "" {
protocol = chain.Protocol
}
if protocol == "" {
protocol = "tcp"
}
// set back on the config so that we can use it from return value
cfg.Protocol = protocol
}
protocol := cfg.Protocol
if protocol == "" {
protocol = chain.Protocol
}
if protocol == "" {
protocol = "tcp"
}
// set back on the config so that we can use it from return value
cfg.Protocol = protocol
return cfg
}

64
agent/xds/listeners_test.go
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@ -1149,6 +1149,70 @@ func TestListenersFromSnapshot(t *testing.T) {
snap.ConnectProxy.DiscoveryChain[UID("no-endpoints")] = discoverychain.TestCompileConfigEntries(t, "no-endpoints", "default", "default", "dc1", connect.TestClusterID+".consul", nil)
},
},
{
name: "transparent-proxy-http-upstream",
create: proxycfg.TestConfigSnapshot,
setup: func(snap *proxycfg.ConfigSnapshot) {
snap.Proxy.Mode = structs.ProxyModeTransparent
snap.ConnectProxy.MeshConfigSet = true
// DiscoveryChain without an UpstreamConfig should yield a filter chain when in transparent proxy mode
google := structs.NewServiceName("google", nil)
googleUID := proxycfg.NewUpstreamIDFromServiceName(google)
snap.ConnectProxy.IntentionUpstreams = map[proxycfg.UpstreamID]struct{}{
googleUID: {},
}
snap.ConnectProxy.DiscoveryChain[googleUID] = 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",
},
})
snap.ConnectProxy.WatchedUpstreamEndpoints[googleUID] = map[string]structs.CheckServiceNodes{
"google.default.default.dc1": {
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"},
},
},
},
},
// Other targets of the discovery chain should be ignored.
// We only match on the upstream's virtual IP, not the IPs of other targets.
"google-v2.default.default.dc1": {
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"},
},
},
},
},
}
// DiscoveryChains without endpoints do not get a filter chain because there are no addresses to match on.
snap.ConnectProxy.DiscoveryChain[UID("no-endpoints")] = discoverychain.TestCompileConfigEntries(t, "no-endpoints", "default", "default", "dc1", connect.TestClusterID+".consul", nil)
},
},
{
name: "transparent-proxy-catalog-destinations-only",
create: proxycfg.TestConfigSnapshot,

203
agent/xds/testdata/listeners/transparent-proxy-http-upstream.envoy-1-20-x.golden vendored Normal file
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@ -0,0 +1,203 @@
{
"versionInfo": "00000001",
"resources": [
{
"@type": "type.googleapis.com/envoy.config.listener.v3.Listener",
"name": "db:127.0.0.1:9191",
"address": {
"socketAddress": {
"address": "127.0.0.1",
"portValue": 9191
}
},
"filterChains": [
{
"filters": [
{
"name": "envoy.filters.network.tcp_proxy",
"typedConfig": {
"@type": "type.googleapis.com/envoy.extensions.filters.network.tcp_proxy.v3.TcpProxy",
"statPrefix": "upstream.db.default.default.dc1",
"cluster": "db.default.dc1.internal.11111111-2222-3333-4444-555555555555.consul"
}
}
]
}
],
"trafficDirection": "OUTBOUND"
},
{
"@type": "type.googleapis.com/envoy.config.listener.v3.Listener",
"name": "outbound_listener:127.0.0.1:15001",
"address": {
"socketAddress": {
"address": "127.0.0.1",
"portValue": 15001
}
},
"filterChains": [
{
"filterChainMatch": {
"prefixRanges": [
{
"addressPrefix": "10.0.0.1",
"prefixLen": 32
},
{
"addressPrefix": "240.0.0.1",
"prefixLen": 32
}
]
},
"filters": [
{
"name": "envoy.filters.network.http_connection_manager",
"typedConfig": {
"@type": "type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager",
"statPrefix": "upstream.google.default.default.dc1",
"routeConfig": {
"name": "google",
"virtualHosts": [
{
"name": "google.default.default.dc1",
"domains": [
"*"
],
"routes": [
{
"match": {
"prefix": "/"
},
"route": {
"cluster": "google.default.dc1.internal.11111111-2222-3333-4444-555555555555.consul"
}
}
]
}
]
},
"httpFilters": [
{
"name": "envoy.filters.http.router"
}
],
"tracing": {
"randomSampling": {
}
}
}
}
]
},
{
"filters": [
{
"name": "envoy.filters.network.tcp_proxy",
"typedConfig": {
"@type": "type.googleapis.com/envoy.extensions.filters.network.tcp_proxy.v3.TcpProxy",
"statPrefix": "upstream.original-destination",
"cluster": "original-destination"
}
}
]
}
],
"listenerFilters": [
{
"name": "envoy.filters.listener.original_dst"
}
],
"trafficDirection": "OUTBOUND"
},
{
"@type": "type.googleapis.com/envoy.config.listener.v3.Listener",
"name": "prepared_query:geo-cache:127.10.10.10:8181",
"address": {
"socketAddress": {
"address": "127.10.10.10",
"portValue": 8181
}
},
"filterChains": [
{
"filters": [
{
"name": "envoy.filters.network.tcp_proxy",
"typedConfig": {
"@type": "type.googleapis.com/envoy.extensions.filters.network.tcp_proxy.v3.TcpProxy",
"statPrefix": "upstream.prepared_query_geo-cache",
"cluster": "geo-cache.default.dc1.query.11111111-2222-3333-4444-555555555555.consul"
}
}
]
}
],
"trafficDirection": "OUTBOUND"
},
{
"@type": "type.googleapis.com/envoy.config.listener.v3.Listener",
"name": "public_listener:0.0.0.0:9999",
"address": {
"socketAddress": {
"address": "0.0.0.0",
"portValue": 9999
}
},
"filterChains": [
{
"filters": [
{
"name": "envoy.filters.network.rbac",
"typedConfig": {
"@type": "type.googleapis.com/envoy.extensions.filters.network.rbac.v3.RBAC",
"rules": {
},
"statPrefix": "connect_authz"
}
},
{
"name": "envoy.filters.network.tcp_proxy",
"typedConfig": {
"@type": "type.googleapis.com/envoy.extensions.filters.network.tcp_proxy.v3.TcpProxy",
"statPrefix": "public_listener",
"cluster": "local_app"
}
}
],
"transportSocket": {
"name": "tls",
"typedConfig": {
"@type": "type.googleapis.com/envoy.extensions.transport_sockets.tls.v3.DownstreamTlsContext",
"commonTlsContext": {
"tlsParams": {
},
"tlsCertificates": [
{
"certificateChain": {
"inlineString": "-----BEGIN CERTIFICATE-----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\npY0heYeK9A6iOLrzqxSerkXXQyj5e9bE4VgUnxgPU6g=\n-----END CERTIFICATE-----\n"
},
"privateKey": {
"inlineString": "-----BEGIN EC PRIVATE KEY-----\nMHcCAQEEIMoTkpRggp3fqZzFKh82yS4LjtJI+XY+qX/7DefHFrtdoAoGCCqGSM49\nAwEHoUQDQgAEADPv1RHVNRfa2VKRAB16b6rZnEt7tuhaxCFpQXPj7M2omb0B9Fav\nq5E0ivpNtv1QnFhxtPd7d5k4e+T7SkW1TQ==\n-----END EC PRIVATE KEY-----\n"
}
}
],
"validationContext": {
"trustedCa": {
"inlineString": "-----BEGIN CERTIFICATE-----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\noR5f6Ku+cig2Il8T8LJujOp2/2A72QcHZA57B13y+8o=\n-----END CERTIFICATE-----\n"
}
}
},
"requireClientCertificate": true
}
}
}
],
"trafficDirection": "INBOUND"
}
],
"typeUrl": "type.googleapis.com/envoy.config.listener.v3.Listener",
"nonce": "00000001"
}