714 lines
20 KiB
Go
714 lines
20 KiB
Go
package xds
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import (
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"bytes"
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"path"
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"sort"
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"testing"
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"text/template"
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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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"github.com/hashicorp/consul/sdk/testutil"
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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 TestClustersFromSnapshot(t *testing.T) {
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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",
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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: "custom-local-app",
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create: proxycfg.TestConfigSnapshot,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.Proxy.Config["envoy_local_cluster_json"] =
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customAppClusterJSON(t, customClusterJSONOptions{
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Name: "mylocal",
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IncludeType: false,
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})
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},
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},
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{
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name: "custom-local-app-typed",
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create: proxycfg.TestConfigSnapshot,
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overrideGoldenName: "custom-local-app",
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.Proxy.Config["envoy_local_cluster_json"] =
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customAppClusterJSON(t, customClusterJSONOptions{
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Name: "mylocal",
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IncludeType: true,
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})
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},
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},
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{
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name: "custom-upstream",
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create: proxycfg.TestConfigSnapshot,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.Proxy.Upstreams[0].Config["envoy_cluster_json"] =
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customAppClusterJSON(t, customClusterJSONOptions{
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Name: "myservice",
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IncludeType: false,
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})
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},
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},
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{
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name: "custom-upstream-default-chain",
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create: proxycfg.TestConfigSnapshotDiscoveryChainDefault,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.Proxy.Upstreams[0].Config["envoy_cluster_json"] =
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customAppClusterJSON(t, customClusterJSONOptions{
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Name: "myservice",
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IncludeType: false,
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})
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},
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},
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{
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name: "custom-upstream-typed",
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create: proxycfg.TestConfigSnapshot,
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overrideGoldenName: "custom-upstream",
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.Proxy.Upstreams[0].Config["envoy_cluster_json"] =
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customAppClusterJSON(t, customClusterJSONOptions{
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Name: "myservice",
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IncludeType: true,
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})
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},
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},
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{
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name: "custom-upstream-ignores-tls",
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create: proxycfg.TestConfigSnapshot,
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overrideGoldenName: "custom-upstream", // should be the same
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.Proxy.Upstreams[0].Config["envoy_cluster_json"] =
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customAppClusterJSON(t, customClusterJSONOptions{
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Name: "myservice",
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IncludeType: true,
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// Attempt to override the TLS context should be ignored
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TLSContext: `{"commonTlsContext": {}}`,
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})
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},
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},
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{
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name: "custom-timeouts",
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create: proxycfg.TestConfigSnapshot,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.Proxy.Config["local_connect_timeout_ms"] = 1234
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snap.Proxy.Upstreams[0].Config["connect_timeout_ms"] = 2345
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},
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},
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{
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name: "custom-limits-max-connections-only",
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create: proxycfg.TestConfigSnapshot,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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for i := range snap.Proxy.Upstreams {
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// We check if Config is nil because the prepared_query upstream is
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// initialized without a Config map. Use Upstreams[i] syntax to
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// modify the actual ConfigSnapshot instead of copying the Upstream
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// in the range.
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if snap.Proxy.Upstreams[i].Config == nil {
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snap.Proxy.Upstreams[i].Config = map[string]interface{}{}
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}
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snap.Proxy.Upstreams[i].Config["limits"] = map[string]interface{}{
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"max_connections": 500,
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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: "custom-limits-set-to-zero",
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create: proxycfg.TestConfigSnapshot,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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for i := range snap.Proxy.Upstreams {
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if snap.Proxy.Upstreams[i].Config == nil {
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snap.Proxy.Upstreams[i].Config = map[string]interface{}{}
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}
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snap.Proxy.Upstreams[i].Config["limits"] = map[string]interface{}{
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"max_connections": 0,
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"max_pending_requests": 0,
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"max_concurrent_requests": 0,
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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: "custom-limits",
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create: proxycfg.TestConfigSnapshot,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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for i := range snap.Proxy.Upstreams {
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if snap.Proxy.Upstreams[i].Config == nil {
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snap.Proxy.Upstreams[i].Config = map[string]interface{}{}
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}
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snap.Proxy.Upstreams[i].Config["limits"] = map[string]interface{}{
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"max_connections": 500,
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"max_pending_requests": 600,
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"max_concurrent_requests": 700,
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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",
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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-external-sni",
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create: proxycfg.TestConfigSnapshotDiscoveryChainExternalSNI,
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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: "connect-proxy-with-chain-and-failover",
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create: proxycfg.TestConfigSnapshotDiscoveryChainWithFailover,
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setup: nil,
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},
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{
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name: "connect-proxy-with-tcp-chain-failover-through-remote-gateway",
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create: proxycfg.TestConfigSnapshotDiscoveryChainWithFailoverThroughRemoteGateway,
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setup: nil,
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},
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{
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name: "connect-proxy-with-tcp-chain-failover-through-remote-gateway-triggered",
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create: proxycfg.TestConfigSnapshotDiscoveryChainWithFailoverThroughRemoteGatewayTriggered,
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setup: nil,
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},
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{
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name: "connect-proxy-with-tcp-chain-double-failover-through-remote-gateway",
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create: proxycfg.TestConfigSnapshotDiscoveryChainWithDoubleFailoverThroughRemoteGateway,
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setup: nil,
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},
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{
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name: "connect-proxy-with-tcp-chain-double-failover-through-remote-gateway-triggered",
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create: proxycfg.TestConfigSnapshotDiscoveryChainWithDoubleFailoverThroughRemoteGatewayTriggered,
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setup: nil,
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},
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{
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name: "connect-proxy-with-tcp-chain-failover-through-local-gateway",
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create: proxycfg.TestConfigSnapshotDiscoveryChainWithFailoverThroughLocalGateway,
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setup: nil,
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},
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{
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name: "connect-proxy-with-tcp-chain-failover-through-local-gateway-triggered",
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create: proxycfg.TestConfigSnapshotDiscoveryChainWithFailoverThroughLocalGatewayTriggered,
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setup: nil,
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},
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{
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name: "connect-proxy-with-tcp-chain-double-failover-through-local-gateway",
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create: proxycfg.TestConfigSnapshotDiscoveryChainWithDoubleFailoverThroughLocalGateway,
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setup: nil,
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},
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{
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name: "connect-proxy-with-tcp-chain-double-failover-through-local-gateway-triggered",
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create: proxycfg.TestConfigSnapshotDiscoveryChainWithDoubleFailoverThroughLocalGatewayTriggered,
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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: "expose-paths-local-app-paths",
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create: proxycfg.TestConfigSnapshotExposeConfig,
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},
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{
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name: "expose-paths-new-cluster-http2",
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create: proxycfg.TestConfigSnapshotExposeConfig,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.Proxy.Expose.Paths[1] = structs.ExposePath{
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LocalPathPort: 9090,
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Path: "/grpc.health.v1.Health/Check",
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ListenerPort: 21501,
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Protocol: "http2",
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}
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},
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},
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{
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name: "expose-paths-grpc-new-cluster-http1",
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create: proxycfg.TestConfigSnapshotGRPCExposeHTTP1,
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},
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{
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name: "mesh-gateway",
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create: proxycfg.TestConfigSnapshotMeshGateway,
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setup: nil,
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},
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{
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name: "mesh-gateway-using-federation-states",
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create: proxycfg.TestConfigSnapshotMeshGatewayUsingFederationStates,
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setup: nil,
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},
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{
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name: "mesh-gateway-no-services",
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create: proxycfg.TestConfigSnapshotMeshGatewayNoServices,
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setup: nil,
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},
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{
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name: "mesh-gateway-service-subsets",
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create: proxycfg.TestConfigSnapshotMeshGateway,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.MeshGateway.ServiceResolvers = map[structs.ServiceName]*structs.ServiceResolverConfigEntry{
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structs.NewServiceName("bar", nil): {
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Kind: structs.ServiceResolver,
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Name: "bar",
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Subsets: map[string]structs.ServiceResolverSubset{
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"v1": {
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Filter: "Service.Meta.Version == 1",
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},
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"v2": {
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Filter: "Service.Meta.Version == 2",
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OnlyPassing: 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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name: "mesh-gateway-ignore-extra-resolvers",
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create: proxycfg.TestConfigSnapshotMeshGateway,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.MeshGateway.ServiceResolvers = map[structs.ServiceName]*structs.ServiceResolverConfigEntry{
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structs.NewServiceName("bar", nil): {
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Kind: structs.ServiceResolver,
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Name: "bar",
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DefaultSubset: "v2",
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Subsets: map[string]structs.ServiceResolverSubset{
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"v1": {
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Filter: "Service.Meta.Version == 1",
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},
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"v2": {
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Filter: "Service.Meta.Version == 2",
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OnlyPassing: true,
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},
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},
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},
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structs.NewServiceName("notfound", nil): {
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Kind: structs.ServiceResolver,
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Name: "notfound",
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DefaultSubset: "v2",
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Subsets: map[string]structs.ServiceResolverSubset{
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"v1": {
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Filter: "Service.Meta.Version == 1",
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},
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"v2": {
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Filter: "Service.Meta.Version == 2",
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OnlyPassing: 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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name: "mesh-gateway-service-timeouts",
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create: proxycfg.TestConfigSnapshotMeshGateway,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.MeshGateway.ServiceResolvers = map[structs.ServiceName]*structs.ServiceResolverConfigEntry{
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structs.NewServiceName("bar", nil): {
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Kind: structs.ServiceResolver,
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Name: "bar",
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ConnectTimeout: 10 * time.Second,
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Subsets: map[string]structs.ServiceResolverSubset{
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"v1": {
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Filter: "Service.Meta.Version == 1",
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},
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"v2": {
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Filter: "Service.Meta.Version == 2",
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OnlyPassing: 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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name: "ingress-gateway",
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create: proxycfg.TestConfigSnapshotIngressGateway,
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setup: nil,
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},
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{
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name: "ingress-gateway-no-services",
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create: proxycfg.TestConfigSnapshotIngressGatewayNoServices,
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setup: nil,
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},
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{
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name: "ingress-with-chain",
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create: proxycfg.TestConfigSnapshotIngress,
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setup: nil,
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},
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{
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name: "ingress-with-chain-external-sni",
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create: proxycfg.TestConfigSnapshotIngressExternalSNI,
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setup: nil,
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},
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{
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name: "ingress-with-chain-and-overrides",
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create: proxycfg.TestConfigSnapshotIngressWithOverrides,
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setup: nil,
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},
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{
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name: "ingress-with-chain-and-failover",
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create: proxycfg.TestConfigSnapshotIngressWithFailover,
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setup: nil,
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},
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{
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name: "ingress-with-tcp-chain-failover-through-remote-gateway",
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create: proxycfg.TestConfigSnapshotIngressWithFailoverThroughRemoteGateway,
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setup: nil,
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},
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{
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name: "ingress-with-tcp-chain-failover-through-remote-gateway-triggered",
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create: proxycfg.TestConfigSnapshotIngressWithFailoverThroughRemoteGatewayTriggered,
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setup: nil,
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},
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{
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name: "ingress-with-tcp-chain-double-failover-through-remote-gateway",
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create: proxycfg.TestConfigSnapshotIngressWithDoubleFailoverThroughRemoteGateway,
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setup: nil,
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},
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{
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name: "ingress-with-tcp-chain-double-failover-through-remote-gateway-triggered",
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create: proxycfg.TestConfigSnapshotIngressWithDoubleFailoverThroughRemoteGatewayTriggered,
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setup: nil,
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},
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{
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name: "ingress-with-tcp-chain-failover-through-local-gateway",
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create: proxycfg.TestConfigSnapshotIngressWithFailoverThroughLocalGateway,
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setup: nil,
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},
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{
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name: "ingress-with-tcp-chain-failover-through-local-gateway-triggered",
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create: proxycfg.TestConfigSnapshotIngressWithFailoverThroughLocalGatewayTriggered,
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setup: nil,
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},
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{
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name: "ingress-with-tcp-chain-double-failover-through-local-gateway",
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create: proxycfg.TestConfigSnapshotIngressWithDoubleFailoverThroughLocalGateway,
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setup: nil,
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},
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{
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name: "ingress-with-tcp-chain-double-failover-through-local-gateway-triggered",
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create: proxycfg.TestConfigSnapshotIngressWithDoubleFailoverThroughLocalGatewayTriggered,
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setup: nil,
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},
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{
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name: "ingress-splitter-with-resolver-redirect",
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create: proxycfg.TestConfigSnapshotIngress_SplitterWithResolverRedirectMultiDC,
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setup: nil,
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},
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{
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name: "terminating-gateway",
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create: proxycfg.TestConfigSnapshotTerminatingGateway,
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setup: nil,
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},
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{
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name: "terminating-gateway-no-services",
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create: proxycfg.TestConfigSnapshotTerminatingGatewayNoServices,
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setup: nil,
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},
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{
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name: "terminating-gateway-service-subsets",
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create: proxycfg.TestConfigSnapshotTerminatingGateway,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.TerminatingGateway.ServiceResolvers = map[structs.ServiceName]*structs.ServiceResolverConfigEntry{
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structs.NewServiceName("web", nil): {
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Kind: structs.ServiceResolver,
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Name: "web",
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Subsets: map[string]structs.ServiceResolverSubset{
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"v1": {
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Filter: "Service.Meta.Version == 1",
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},
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"v2": {
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Filter: "Service.Meta.Version == 2",
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OnlyPassing: 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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name: "terminating-gateway-hostname-service-subsets",
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create: proxycfg.TestConfigSnapshotTerminatingGateway,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.TerminatingGateway.ServiceResolvers = map[structs.ServiceName]*structs.ServiceResolverConfigEntry{
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structs.NewServiceName("api", nil): {
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Kind: structs.ServiceResolver,
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Name: "api",
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Subsets: map[string]structs.ServiceResolverSubset{
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"alt": {
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Filter: "Service.Meta.domain == alt",
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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: "terminating-gateway-ignore-extra-resolvers",
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create: proxycfg.TestConfigSnapshotTerminatingGateway,
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setup: func(snap *proxycfg.ConfigSnapshot) {
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snap.TerminatingGateway.ServiceResolvers = map[structs.ServiceName]*structs.ServiceResolverConfigEntry{
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structs.NewServiceName("web", nil): {
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Kind: structs.ServiceResolver,
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Name: "web",
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DefaultSubset: "v2",
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Subsets: map[string]structs.ServiceResolverSubset{
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"v1": {
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Filter: "Service.Meta.Version == 1",
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},
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"v2": {
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Filter: "Service.Meta.Version == 2",
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OnlyPassing: true,
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},
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},
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},
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structs.NewServiceName("notfound", nil): {
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Kind: structs.ServiceResolver,
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Name: "notfound",
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DefaultSubset: "v2",
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Subsets: map[string]structs.ServiceResolverSubset{
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"v1": {
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Filter: "Service.Meta.Version == 1",
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},
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"v2": {
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Filter: "Service.Meta.Version == 2",
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OnlyPassing: 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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name: "ingress-multiple-listeners-duplicate-service",
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create: proxycfg.TestConfigSnapshotIngress_MultipleListenersDuplicateService,
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setup: nil,
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},
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}
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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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|
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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
|
|
// files workable. Note we don't update these otherwise they'd change
|
|
// golder files for every test case and so not be any use!
|
|
setupTLSRootsAndLeaf(t, snap)
|
|
|
|
if tt.setup != nil {
|
|
tt.setup(snap)
|
|
}
|
|
|
|
// Need server just for logger dependency
|
|
logger := testutil.Logger(t)
|
|
s := Server{
|
|
Logger: logger,
|
|
}
|
|
|
|
clusters, err := s.clustersFromSnapshot(snap, "my-token")
|
|
require.NoError(err)
|
|
sort.Slice(clusters, func(i, j int) bool {
|
|
return clusters[i].(*envoy.Cluster).Name < clusters[j].(*envoy.Cluster).Name
|
|
})
|
|
r, err := createResponse(ClusterType, "00000001", "00000001", clusters)
|
|
require.NoError(err)
|
|
|
|
gotJSON := responseToJSON(t, r)
|
|
|
|
gName := tt.name
|
|
if tt.overrideGoldenName != "" {
|
|
gName = tt.overrideGoldenName
|
|
}
|
|
|
|
require.JSONEq(golden(t, path.Join("clusters", gName), gotJSON), gotJSON)
|
|
})
|
|
}
|
|
}
|
|
|
|
func expectClustersJSONResources(t *testing.T, snap *proxycfg.ConfigSnapshot, token string, v, n uint64) map[string]string {
|
|
return map[string]string{
|
|
"local_app": `
|
|
{
|
|
"@type": "type.googleapis.com/envoy.api.v2.Cluster",
|
|
"name": "local_app",
|
|
"type": "STATIC",
|
|
"connectTimeout": "5s",
|
|
"loadAssignment": {
|
|
"clusterName": "local_app",
|
|
"endpoints": [
|
|
{
|
|
"lbEndpoints": [
|
|
{
|
|
"endpoint": {
|
|
"address": {
|
|
"socketAddress": {
|
|
"address": "127.0.0.1",
|
|
"portValue": 8080
|
|
}
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
}`,
|
|
"db": `
|
|
{
|
|
"@type": "type.googleapis.com/envoy.api.v2.Cluster",
|
|
"name": "db.default.dc1.internal.11111111-2222-3333-4444-555555555555.consul",
|
|
"type": "EDS",
|
|
"edsClusterConfig": {
|
|
"edsConfig": {
|
|
"ads": {
|
|
|
|
}
|
|
}
|
|
},
|
|
"outlierDetection": {
|
|
|
|
},
|
|
"circuitBreakers": {
|
|
|
|
},
|
|
"altStatName": "db.default.dc1.internal.11111111-2222-3333-4444-555555555555.consul",
|
|
"commonLbConfig": {
|
|
"healthyPanicThreshold": {}
|
|
},
|
|
"connectTimeout": "5s",
|
|
"tlsContext": ` + expectedUpstreamTLSContextJSON(t, snap, "db.default.dc1.internal.11111111-2222-3333-4444-555555555555.consul") + `
|
|
}`,
|
|
"prepared_query:geo-cache": `
|
|
{
|
|
"@type": "type.googleapis.com/envoy.api.v2.Cluster",
|
|
"name": "geo-cache.default.dc1.query.11111111-2222-3333-4444-555555555555.consul",
|
|
"type": "EDS",
|
|
"edsClusterConfig": {
|
|
"edsConfig": {
|
|
"ads": {
|
|
|
|
}
|
|
}
|
|
},
|
|
"outlierDetection": {
|
|
|
|
},
|
|
"circuitBreakers": {
|
|
|
|
},
|
|
"connectTimeout": "5s",
|
|
"tlsContext": ` + expectedUpstreamTLSContextJSON(t, snap, "geo-cache.default.dc1.query.11111111-2222-3333-4444-555555555555.consul") + `
|
|
}`,
|
|
}
|
|
}
|
|
|
|
func expectClustersJSONFromResources(t *testing.T, snap *proxycfg.ConfigSnapshot, token string, v, n uint64, resourcesJSON map[string]string) string {
|
|
resJSON := ""
|
|
|
|
// Sort resources into specific order because that matters in JSONEq
|
|
// comparison later.
|
|
keyOrder := []string{"local_app"}
|
|
for _, u := range snap.Proxy.Upstreams {
|
|
keyOrder = append(keyOrder, u.Identifier())
|
|
}
|
|
for _, k := range keyOrder {
|
|
j, ok := resourcesJSON[k]
|
|
if !ok {
|
|
continue
|
|
}
|
|
if resJSON != "" {
|
|
resJSON += ",\n"
|
|
}
|
|
resJSON += j
|
|
}
|
|
|
|
return `{
|
|
"versionInfo": "` + hexString(v) + `",
|
|
"resources": [` + resJSON + `],
|
|
"typeUrl": "type.googleapis.com/envoy.api.v2.Cluster",
|
|
"nonce": "` + hexString(n) + `"
|
|
}`
|
|
}
|
|
|
|
func expectClustersJSON(t *testing.T, snap *proxycfg.ConfigSnapshot, token string, v, n uint64) string {
|
|
return expectClustersJSONFromResources(t, snap, token, v, n,
|
|
expectClustersJSONResources(t, snap, token, v, n))
|
|
}
|
|
|
|
type customClusterJSONOptions struct {
|
|
Name string
|
|
IncludeType bool
|
|
TLSContext string
|
|
}
|
|
|
|
var customAppClusterJSONTpl = `{
|
|
{{ if .IncludeType -}}
|
|
"@type": "type.googleapis.com/envoy.api.v2.Cluster",
|
|
{{- end }}
|
|
{{ if .TLSContext -}}
|
|
"tlsContext": {{ .TLSContext }},
|
|
{{- end }}
|
|
"name": "{{ .Name }}",
|
|
"connectTimeout": "15s",
|
|
"hosts": [
|
|
{
|
|
"socketAddress": {
|
|
"address": "127.0.0.1",
|
|
"portValue": 8080
|
|
}
|
|
}
|
|
]
|
|
}`
|
|
|
|
var customAppClusterJSONTemplate = template.Must(template.New("").Parse(customAppClusterJSONTpl))
|
|
|
|
func customAppClusterJSON(t *testing.T, opts customClusterJSONOptions) string {
|
|
t.Helper()
|
|
var buf bytes.Buffer
|
|
err := customAppClusterJSONTemplate.Execute(&buf, opts)
|
|
require.NoError(t, err)
|
|
return buf.String()
|
|
}
|
|
|
|
func setupTLSRootsAndLeaf(t *testing.T, snap *proxycfg.ConfigSnapshot) {
|
|
if snap.Leaf() != nil {
|
|
switch snap.Kind {
|
|
case structs.ServiceKindConnectProxy:
|
|
snap.ConnectProxy.Leaf.CertPEM = golden(t, "test-leaf-cert", "")
|
|
snap.ConnectProxy.Leaf.PrivateKeyPEM = golden(t, "test-leaf-key", "")
|
|
case structs.ServiceKindIngressGateway:
|
|
snap.IngressGateway.Leaf.CertPEM = golden(t, "test-leaf-cert", "")
|
|
snap.IngressGateway.Leaf.PrivateKeyPEM = golden(t, "test-leaf-key", "")
|
|
}
|
|
}
|
|
if snap.Roots != nil {
|
|
snap.Roots.Roots[0].RootCert = golden(t, "test-root-cert", "")
|
|
}
|
|
}
|