mirror of https://github.com/hashicorp/consul
364 lines
10 KiB
Go
364 lines
10 KiB
Go
package xds
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import (
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"path"
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"sort"
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"testing"
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"time"
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envoy "github.com/envoyproxy/go-control-plane/envoy/api/v2"
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"github.com/hashicorp/consul/agent/proxycfg"
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"github.com/hashicorp/consul/agent/structs"
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testinf "github.com/mitchellh/go-testing-interface"
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"github.com/stretchr/testify/require"
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)
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func TestRoutesFromSnapshot(t *testing.T) {
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httpMatch := func(http *structs.ServiceRouteHTTPMatch) *structs.ServiceRouteMatch {
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return &structs.ServiceRouteMatch{HTTP: http}
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}
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httpMatchHeader := func(headers ...structs.ServiceRouteHTTPMatchHeader) *structs.ServiceRouteMatch {
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return httpMatch(&structs.ServiceRouteHTTPMatch{
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Header: headers,
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})
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}
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httpMatchParam := func(params ...structs.ServiceRouteHTTPMatchQueryParam) *structs.ServiceRouteMatch {
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return httpMatch(&structs.ServiceRouteHTTPMatch{
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QueryParam: params,
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})
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}
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toService := func(svc string) *structs.ServiceRouteDestination {
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return &structs.ServiceRouteDestination{Service: svc}
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}
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tests := []struct {
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name string
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create func(t testinf.T) *proxycfg.ConfigSnapshot
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// Setup is called before the test starts. It is passed the snapshot from
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// create func and is allowed to modify it in any way to setup the
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// test input.
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setup func(snap *proxycfg.ConfigSnapshot)
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overrideGoldenName string
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}{
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{
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name: "defaults-no-chain",
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create: proxycfg.TestConfigSnapshot,
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setup: nil, // Default snapshot
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},
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{
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name: "connect-proxy-with-chain",
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create: proxycfg.TestConfigSnapshotDiscoveryChain,
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setup: nil,
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},
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{
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name: "connect-proxy-with-chain-and-overrides",
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create: proxycfg.TestConfigSnapshotDiscoveryChainWithOverrides,
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setup: nil,
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},
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{
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name: "splitter-with-resolver-redirect",
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create: proxycfg.TestConfigSnapshotDiscoveryChain_SplitterWithResolverRedirectMultiDC,
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setup: nil,
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},
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{
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name: "connect-proxy-with-chain-and-splitter",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotDiscoveryChainWithEntries(t,
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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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&structs.ServiceSplitterConfigEntry{
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Kind: structs.ServiceSplitter,
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Name: "db",
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Splits: []structs.ServiceSplit{
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{Weight: 95.5, Service: "big-side"},
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{Weight: 4, Service: "goldilocks-side"},
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{Weight: 0.5, Service: "lil-bit-side"},
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},
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},
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)
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},
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setup: nil,
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},
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{
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name: "connect-proxy-with-grpc-router",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotDiscoveryChainWithEntries(t,
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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": "grpc",
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},
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},
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&structs.ServiceRouterConfigEntry{
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Kind: structs.ServiceRouter,
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Name: "db",
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Routes: []structs.ServiceRoute{
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{
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Match: httpMatch(&structs.ServiceRouteHTTPMatch{
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PathExact: "/fgrpc.PingServer/Ping",
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}),
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Destination: toService("prefix"),
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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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name: "connect-proxy-with-chain-and-router",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotDiscoveryChainWithEntries(t,
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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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&structs.ServiceSplitterConfigEntry{
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Kind: structs.ServiceSplitter,
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Name: "split-3-ways",
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Splits: []structs.ServiceSplit{
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{Weight: 95.5, Service: "big-side"},
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{Weight: 4, Service: "goldilocks-side"},
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{Weight: 0.5, Service: "lil-bit-side"},
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},
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},
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&structs.ServiceRouterConfigEntry{
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Kind: structs.ServiceRouter,
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Name: "db",
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Routes: []structs.ServiceRoute{
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{
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Match: httpMatch(&structs.ServiceRouteHTTPMatch{
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PathPrefix: "/prefix",
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}),
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Destination: toService("prefix"),
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},
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{
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Match: httpMatch(&structs.ServiceRouteHTTPMatch{
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PathExact: "/exact",
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}),
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Destination: toService("exact"),
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},
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{
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Match: httpMatch(&structs.ServiceRouteHTTPMatch{
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PathRegex: "/regex",
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}),
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Destination: toService("regex"),
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},
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{
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Match: httpMatchHeader(structs.ServiceRouteHTTPMatchHeader{
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Name: "x-debug",
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Present: true,
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}),
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Destination: toService("hdr-present"),
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},
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{
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Match: httpMatchHeader(structs.ServiceRouteHTTPMatchHeader{
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Name: "x-debug",
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Present: true,
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Invert: true,
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}),
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Destination: toService("hdr-not-present"),
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},
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{
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Match: httpMatchHeader(structs.ServiceRouteHTTPMatchHeader{
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Name: "x-debug",
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Exact: "exact",
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}),
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Destination: toService("hdr-exact"),
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},
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{
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Match: httpMatchHeader(structs.ServiceRouteHTTPMatchHeader{
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Name: "x-debug",
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Prefix: "prefix",
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}),
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Destination: toService("hdr-prefix"),
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},
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{
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Match: httpMatchHeader(structs.ServiceRouteHTTPMatchHeader{
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Name: "x-debug",
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Suffix: "suffix",
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}),
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Destination: toService("hdr-suffix"),
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},
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{
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Match: httpMatchHeader(structs.ServiceRouteHTTPMatchHeader{
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Name: "x-debug",
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Regex: "regex",
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}),
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Destination: toService("hdr-regex"),
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},
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{
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Match: httpMatch(&structs.ServiceRouteHTTPMatch{
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Methods: []string{"GET", "PUT"},
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}),
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Destination: toService("just-methods"),
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},
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{
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Match: httpMatch(&structs.ServiceRouteHTTPMatch{
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Header: []structs.ServiceRouteHTTPMatchHeader{
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{
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Name: "x-debug",
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Exact: "exact",
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},
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},
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Methods: []string{"GET", "PUT"},
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}),
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Destination: toService("hdr-exact-with-method"),
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},
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{
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Match: httpMatchParam(structs.ServiceRouteHTTPMatchQueryParam{
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Name: "secretparam1",
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Exact: "exact",
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}),
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Destination: toService("prm-exact"),
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},
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{
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Match: httpMatchParam(structs.ServiceRouteHTTPMatchQueryParam{
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Name: "secretparam2",
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Regex: "regex",
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}),
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Destination: toService("prm-regex"),
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},
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{
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Match: httpMatchParam(structs.ServiceRouteHTTPMatchQueryParam{
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Name: "secretparam3",
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Present: true,
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}),
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Destination: toService("prm-present"),
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},
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{
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Match: nil,
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Destination: toService("nil-match"),
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},
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{
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Match: &structs.ServiceRouteMatch{},
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Destination: toService("empty-match-1"),
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},
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{
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Match: &structs.ServiceRouteMatch{
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HTTP: &structs.ServiceRouteHTTPMatch{},
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},
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Destination: toService("empty-match-2"),
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},
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{
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Match: httpMatch(&structs.ServiceRouteHTTPMatch{
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PathPrefix: "/prefix",
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}),
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Destination: &structs.ServiceRouteDestination{
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Service: "prefix-rewrite-1",
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PrefixRewrite: "/",
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},
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},
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{
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Match: httpMatch(&structs.ServiceRouteHTTPMatch{
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PathPrefix: "/prefix",
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}),
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Destination: &structs.ServiceRouteDestination{
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Service: "prefix-rewrite-2",
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PrefixRewrite: "/nested/newlocation",
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},
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},
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{
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Match: httpMatch(&structs.ServiceRouteHTTPMatch{
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PathPrefix: "/timeout",
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}),
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Destination: &structs.ServiceRouteDestination{
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Service: "req-timeout",
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RequestTimeout: 33 * time.Second,
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},
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},
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{
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Match: httpMatch(&structs.ServiceRouteHTTPMatch{
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PathPrefix: "/retry-connect",
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}),
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Destination: &structs.ServiceRouteDestination{
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Service: "retry-connect",
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NumRetries: 15,
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RetryOnConnectFailure: true,
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},
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},
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{
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Match: httpMatch(&structs.ServiceRouteHTTPMatch{
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PathPrefix: "/retry-codes",
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}),
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Destination: &structs.ServiceRouteDestination{
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Service: "retry-codes",
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NumRetries: 15,
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RetryOnStatusCodes: []uint32{401, 409, 451},
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},
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},
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{
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Match: httpMatch(&structs.ServiceRouteHTTPMatch{
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PathPrefix: "/retry-both",
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}),
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Destination: &structs.ServiceRouteDestination{
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Service: "retry-both",
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RetryOnConnectFailure: true,
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RetryOnStatusCodes: []uint32{401, 409, 451},
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},
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},
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{
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Match: httpMatch(&structs.ServiceRouteHTTPMatch{
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PathPrefix: "/split-3-ways",
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}),
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Destination: toService("split-3-ways"),
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},
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},
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},
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)
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},
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setup: nil,
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},
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// TODO(rb): test match stanza skipped for grpc
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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require := require.New(t)
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// Sanity check default with no overrides first
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snap := tt.create(t)
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// We need to replace the TLS certs with deterministic ones to make golden
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// files workable. Note we don't update these otherwise they'd change
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// golden files for every test case and so not be any use!
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if snap.ConnectProxy.Leaf != nil {
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snap.ConnectProxy.Leaf.CertPEM = golden(t, "test-leaf-cert", "")
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snap.ConnectProxy.Leaf.PrivateKeyPEM = golden(t, "test-leaf-key", "")
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}
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if snap.Roots != nil {
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snap.Roots.Roots[0].RootCert = golden(t, "test-root-cert", "")
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}
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if tt.setup != nil {
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tt.setup(snap)
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}
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routes, err := routesFromSnapshot(snap, "my-token")
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require.NoError(err)
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sort.Slice(routes, func(i, j int) bool {
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return routes[i].(*envoy.RouteConfiguration).Name < routes[j].(*envoy.RouteConfiguration).Name
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})
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r, err := createResponse(RouteType, "00000001", "00000001", routes)
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require.NoError(err)
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gotJSON := responseToJSON(t, r)
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gName := tt.name
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if tt.overrideGoldenName != "" {
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gName = tt.overrideGoldenName
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}
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require.JSONEq(golden(t, path.Join("routes", gName), gotJSON), gotJSON)
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})
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}
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}
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