487 lines
14 KiB
Go
487 lines
14 KiB
Go
package xds
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import (
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"path/filepath"
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"sort"
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"testing"
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"time"
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envoy_route_v3 "github.com/envoyproxy/go-control-plane/envoy/config/route/v3"
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"github.com/hashicorp/consul/agent/xds/testcommon"
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testinf "github.com/mitchellh/go-testing-interface"
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"github.com/stretchr/testify/require"
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"google.golang.org/protobuf/types/known/durationpb"
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"github.com/hashicorp/consul/agent/proxycfg"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/envoyextensions/xdscommon"
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"github.com/hashicorp/consul/sdk/testutil"
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)
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func TestRoutesFromSnapshot(t *testing.T) {
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// TODO: we should move all of these to TestAllResourcesFromSnapshot
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// eventually to test all of the xDS types at once with the same input,
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// just as it would be triggered by our xDS server.
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if testing.Short() {
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t.Skip("too slow for testing.Short")
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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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overrideGoldenName string
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}{
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{
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name: "connect-proxy-with-chain",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotDiscoveryChain(t, "simple", nil, nil)
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},
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},
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{
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name: "connect-proxy-with-chain-external-sni",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotDiscoveryChain(t, "external-sni", nil, nil)
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},
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},
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{
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name: "connect-proxy-with-chain-and-overrides",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotDiscoveryChain(t, "simple-with-overrides", nil, nil)
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},
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},
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{
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name: "splitter-with-resolver-redirect",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotDiscoveryChain(t, "splitter-with-resolver-redirect-multidc", nil, nil)
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},
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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.TestConfigSnapshotDiscoveryChain(t, "chain-and-splitter", nil, nil)
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},
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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.TestConfigSnapshotDiscoveryChain(t, "grpc-router", nil, nil)
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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.TestConfigSnapshotDiscoveryChain(t, "chain-and-router", nil, nil)
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},
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},
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{
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name: "connect-proxy-lb-in-resolver",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotDiscoveryChain(t, "lb-resolver", nil, nil)
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},
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},
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// TODO(rb): test match stanza skipped for grpc
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// Start ingress gateway test cases
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{
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name: "ingress-config-entry-nil",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotIngressGateway_NilConfigEntry(t)
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},
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},
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{
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name: "ingress-defaults-no-chain",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotIngressGateway(t, false, "tcp",
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"default", nil, nil, nil)
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},
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},
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{
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name: "ingress-with-chain",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotIngressGateway(t, true, "tcp",
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"simple", nil, nil, nil)
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},
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},
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{
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name: "ingress-with-chain-external-sni",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotIngressGateway(t, true, "tcp",
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"external-sni", nil, nil, nil)
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},
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},
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{
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name: "ingress-splitter-with-resolver-redirect",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotIngressGateway(t, true, "http",
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"splitter-with-resolver-redirect-multidc", nil, nil, nil)
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},
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},
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{
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name: "ingress-with-chain-and-splitter",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotIngressGateway(t, true, "http",
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"chain-and-splitter", nil, nil, nil)
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},
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},
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{
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name: "ingress-with-grpc-router",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotIngressGateway(t, true, "http",
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"grpc-router", nil, nil, nil)
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},
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},
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{
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name: "ingress-with-chain-and-router",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotIngressGateway(t, true, "http",
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"chain-and-router", nil, nil, nil)
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},
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},
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{
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name: "ingress-lb-in-resolver",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotIngressGateway(t, true, "http",
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"lb-resolver", nil, nil, nil)
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},
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},
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{
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name: "ingress-http-multiple-services",
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create: proxycfg.TestConfigSnapshotIngress_HTTPMultipleServices,
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},
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{
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name: "ingress-grpc-multiple-services",
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create: proxycfg.TestConfigSnapshotIngress_GRPCMultipleServices,
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},
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{
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name: "ingress-with-chain-and-router-header-manip",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotIngressGatewayWithChain(t, "router-header-manip", nil, nil)
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},
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},
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{
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name: "ingress-with-sds-listener-level",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotIngressGatewayWithChain(t, "sds-listener-level", nil, nil)
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},
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},
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{
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name: "ingress-with-sds-listener-level-wildcard",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotIngressGatewayWithChain(t, "sds-listener-level-wildcard", nil, nil)
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},
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},
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{
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name: "ingress-with-sds-service-level",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotIngressGatewayWithChain(t, "sds-service-level", nil, nil)
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},
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},
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{
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name: "ingress-with-sds-service-level-mixed-tls",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotIngressGatewayWithChain(t, "sds-service-level-mixed-tls", nil, nil)
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},
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},
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{
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name: "terminating-gateway-lb-config",
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create: proxycfg.TestConfigSnapshotTerminatingGatewayLBConfig,
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},
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}
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latestEnvoyVersion := xdscommon.EnvoyVersions[0]
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for _, envoyVersion := range xdscommon.EnvoyVersions {
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sf, err := xdscommon.DetermineSupportedProxyFeaturesFromString(envoyVersion)
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require.NoError(t, err)
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t.Run("envoy-"+envoyVersion, func(t *testing.T) {
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.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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testcommon.SetupTLSRootsAndLeaf(t, snap)
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g := NewResourceGenerator(testutil.Logger(t), nil, false)
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g.ProxyFeatures = sf
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routes, err := g.routesFromSnapshot(snap)
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require.NoError(t, err)
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sort.Slice(routes, func(i, j int) bool {
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return routes[i].(*envoy_route_v3.RouteConfiguration).Name < routes[j].(*envoy_route_v3.RouteConfiguration).Name
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})
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r, err := createResponse(xdscommon.RouteType, "00000001", "00000001", routes)
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require.NoError(t, err)
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t.Run("current", func(t *testing.T) {
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gotJSON := protoToJSON(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(t, goldenEnvoy(t, filepath.Join("routes", gName), envoyVersion, latestEnvoyVersion, gotJSON), gotJSON)
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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 TestEnvoyLBConfig_InjectToRouteAction(t *testing.T) {
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var tests = []struct {
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name string
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lb *structs.LoadBalancer
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expected *envoy_route_v3.RouteAction
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}{
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{
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name: "empty",
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lb: &structs.LoadBalancer{
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Policy: "",
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},
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// we only modify route actions for hash-based LB policies
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expected: &envoy_route_v3.RouteAction{},
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},
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{
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name: "least request",
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lb: &structs.LoadBalancer{
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Policy: structs.LBPolicyLeastRequest,
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LeastRequestConfig: &structs.LeastRequestConfig{
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ChoiceCount: 3,
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},
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},
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// we only modify route actions for hash-based LB policies
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expected: &envoy_route_v3.RouteAction{},
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},
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{
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name: "headers",
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lb: &structs.LoadBalancer{
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Policy: "ring_hash",
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RingHashConfig: &structs.RingHashConfig{
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MinimumRingSize: 3,
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MaximumRingSize: 7,
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},
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HashPolicies: []structs.HashPolicy{
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{
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Field: structs.HashPolicyHeader,
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FieldValue: "x-route-key",
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Terminal: true,
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},
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},
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},
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expected: &envoy_route_v3.RouteAction{
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HashPolicy: []*envoy_route_v3.RouteAction_HashPolicy{
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{
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PolicySpecifier: &envoy_route_v3.RouteAction_HashPolicy_Header_{
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Header: &envoy_route_v3.RouteAction_HashPolicy_Header{
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HeaderName: "x-route-key",
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},
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},
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Terminal: 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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name: "cookies",
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lb: &structs.LoadBalancer{
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Policy: structs.LBPolicyMaglev,
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HashPolicies: []structs.HashPolicy{
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{
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Field: structs.HashPolicyCookie,
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FieldValue: "red-velvet",
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Terminal: true,
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},
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{
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Field: structs.HashPolicyCookie,
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FieldValue: "oatmeal",
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},
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},
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},
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expected: &envoy_route_v3.RouteAction{
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HashPolicy: []*envoy_route_v3.RouteAction_HashPolicy{
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{
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PolicySpecifier: &envoy_route_v3.RouteAction_HashPolicy_Cookie_{
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Cookie: &envoy_route_v3.RouteAction_HashPolicy_Cookie{
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Name: "red-velvet",
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},
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},
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Terminal: true,
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},
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{
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PolicySpecifier: &envoy_route_v3.RouteAction_HashPolicy_Cookie_{
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Cookie: &envoy_route_v3.RouteAction_HashPolicy_Cookie{
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Name: "oatmeal",
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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: "non-zero session ttl gets zeroed out",
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lb: &structs.LoadBalancer{
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Policy: structs.LBPolicyMaglev,
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HashPolicies: []structs.HashPolicy{
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{
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Field: structs.HashPolicyCookie,
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FieldValue: "oatmeal",
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CookieConfig: &structs.CookieConfig{
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TTL: 10 * time.Second,
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Session: true,
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},
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},
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},
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},
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expected: &envoy_route_v3.RouteAction{
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HashPolicy: []*envoy_route_v3.RouteAction_HashPolicy{
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{
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PolicySpecifier: &envoy_route_v3.RouteAction_HashPolicy_Cookie_{
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Cookie: &envoy_route_v3.RouteAction_HashPolicy_Cookie{
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Name: "oatmeal",
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Ttl: durationpb.New(0 * time.Second),
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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: "zero value ttl omitted if not session cookie",
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lb: &structs.LoadBalancer{
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Policy: structs.LBPolicyMaglev,
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HashPolicies: []structs.HashPolicy{
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{
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Field: structs.HashPolicyCookie,
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FieldValue: "oatmeal",
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CookieConfig: &structs.CookieConfig{
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Path: "/oven",
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},
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},
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},
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},
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expected: &envoy_route_v3.RouteAction{
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HashPolicy: []*envoy_route_v3.RouteAction_HashPolicy{
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{
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PolicySpecifier: &envoy_route_v3.RouteAction_HashPolicy_Cookie_{
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Cookie: &envoy_route_v3.RouteAction_HashPolicy_Cookie{
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Name: "oatmeal",
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Path: "/oven",
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Ttl: nil,
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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: "source addr",
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lb: &structs.LoadBalancer{
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Policy: structs.LBPolicyMaglev,
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HashPolicies: []structs.HashPolicy{
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{
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SourceIP: true,
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Terminal: true,
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},
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},
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},
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expected: &envoy_route_v3.RouteAction{
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HashPolicy: []*envoy_route_v3.RouteAction_HashPolicy{
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{
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PolicySpecifier: &envoy_route_v3.RouteAction_HashPolicy_ConnectionProperties_{
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ConnectionProperties: &envoy_route_v3.RouteAction_HashPolicy_ConnectionProperties{
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SourceIp: true,
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},
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},
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Terminal: 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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name: "kitchen sink",
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lb: &structs.LoadBalancer{
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Policy: structs.LBPolicyMaglev,
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HashPolicies: []structs.HashPolicy{
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{
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SourceIP: true,
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Terminal: true,
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},
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{
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Field: structs.HashPolicyCookie,
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FieldValue: "oatmeal",
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CookieConfig: &structs.CookieConfig{
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TTL: 10 * time.Second,
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Path: "/oven",
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},
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},
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{
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Field: structs.HashPolicyCookie,
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FieldValue: "chocolate-chip",
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CookieConfig: &structs.CookieConfig{
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Session: true,
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Path: "/oven",
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},
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},
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{
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Field: structs.HashPolicyHeader,
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FieldValue: "special-header",
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Terminal: true,
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},
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},
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},
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expected: &envoy_route_v3.RouteAction{
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HashPolicy: []*envoy_route_v3.RouteAction_HashPolicy{
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{
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PolicySpecifier: &envoy_route_v3.RouteAction_HashPolicy_ConnectionProperties_{
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ConnectionProperties: &envoy_route_v3.RouteAction_HashPolicy_ConnectionProperties{
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SourceIp: true,
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},
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},
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Terminal: true,
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},
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{
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PolicySpecifier: &envoy_route_v3.RouteAction_HashPolicy_Cookie_{
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Cookie: &envoy_route_v3.RouteAction_HashPolicy_Cookie{
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Name: "oatmeal",
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Ttl: durationpb.New(10 * time.Second),
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Path: "/oven",
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},
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},
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},
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{
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PolicySpecifier: &envoy_route_v3.RouteAction_HashPolicy_Cookie_{
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Cookie: &envoy_route_v3.RouteAction_HashPolicy_Cookie{
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Name: "chocolate-chip",
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Ttl: durationpb.New(0 * time.Second),
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Path: "/oven",
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},
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},
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},
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{
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PolicySpecifier: &envoy_route_v3.RouteAction_HashPolicy_Header_{
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Header: &envoy_route_v3.RouteAction_HashPolicy_Header{
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HeaderName: "special-header",
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},
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},
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Terminal: 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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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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var ra envoy_route_v3.RouteAction
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err := injectLBToRouteAction(tc.lb, &ra)
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require.NoError(t, err)
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require.Equal(t, tc.expected, &ra)
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})
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}
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}
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