765 lines
21 KiB
Go
765 lines
21 KiB
Go
package proxycfg
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import (
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"time"
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"github.com/mitchellh/go-testing-interface"
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"github.com/hashicorp/consul/agent/cache"
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"github.com/hashicorp/consul/agent/connect"
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"github.com/hashicorp/consul/agent/consul/discoverychain"
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"github.com/hashicorp/consul/agent/structs"
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)
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func setupTestVariationConfigEntriesAndSnapshot(
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t testing.T,
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variation string,
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upstreams structs.Upstreams,
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additionalEntries ...structs.ConfigEntry,
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) []cache.UpdateEvent {
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var (
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dbUpstream = upstreams[0]
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dbUID = NewUpstreamID(&dbUpstream)
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)
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dbChain := setupTestVariationDiscoveryChain(t, variation, additionalEntries...)
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events := []cache.UpdateEvent{
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{
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CorrelationID: "discovery-chain:" + dbUID.String(),
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Result: &structs.DiscoveryChainResponse{
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Chain: dbChain,
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},
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},
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{
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CorrelationID: "upstream-target:" + dbChain.ID() + ":" + dbUID.String(),
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Result: &structs.IndexedCheckServiceNodes{
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Nodes: TestUpstreamNodes(t, "db"),
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},
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},
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}
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switch variation {
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case "default":
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case "simple-with-overrides":
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case "simple":
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case "external-sni":
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case "failover":
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events = append(events, cache.UpdateEvent{
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CorrelationID: "upstream-target:fail.default.default.dc1:" + dbUID.String(),
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Result: &structs.IndexedCheckServiceNodes{
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Nodes: TestUpstreamNodesAlternate(t),
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},
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})
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case "failover-through-remote-gateway-triggered":
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events = append(events, cache.UpdateEvent{
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CorrelationID: "upstream-target:db.default.default.dc1:" + dbUID.String(),
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Result: &structs.IndexedCheckServiceNodes{
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Nodes: TestUpstreamNodesInStatus(t, "critical"),
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},
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})
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fallthrough
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case "failover-through-remote-gateway":
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events = append(events, cache.UpdateEvent{
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CorrelationID: "upstream-target:db.default.default.dc2:" + dbUID.String(),
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Result: &structs.IndexedCheckServiceNodes{
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Nodes: TestUpstreamNodesDC2(t),
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},
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})
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events = append(events, cache.UpdateEvent{
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CorrelationID: "mesh-gateway:dc2:" + dbUID.String(),
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Result: &structs.IndexedNodesWithGateways{
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Nodes: TestGatewayNodesDC2(t),
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},
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})
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case "failover-through-double-remote-gateway-triggered":
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events = append(events, cache.UpdateEvent{
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CorrelationID: "upstream-target:db.default.default.dc1:" + dbUID.String(),
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Result: &structs.IndexedCheckServiceNodes{
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Nodes: TestUpstreamNodesInStatus(t, "critical"),
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},
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})
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events = append(events, cache.UpdateEvent{
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CorrelationID: "upstream-target:db.default.default.dc2:" + dbUID.String(),
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Result: &structs.IndexedCheckServiceNodes{
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Nodes: TestUpstreamNodesInStatusDC2(t, "critical"),
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},
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})
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fallthrough
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case "failover-through-double-remote-gateway":
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events = append(events, cache.UpdateEvent{
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CorrelationID: "upstream-target:db.default.default.dc3:" + dbUID.String(),
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Result: &structs.IndexedCheckServiceNodes{
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Nodes: TestUpstreamNodesDC2(t),
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},
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})
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events = append(events, cache.UpdateEvent{
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CorrelationID: "mesh-gateway:dc2:" + dbUID.String(),
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Result: &structs.IndexedNodesWithGateways{
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Nodes: TestGatewayNodesDC2(t),
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},
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})
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events = append(events, cache.UpdateEvent{
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CorrelationID: "mesh-gateway:dc3:" + dbUID.String(),
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Result: &structs.IndexedNodesWithGateways{
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Nodes: TestGatewayNodesDC3(t),
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},
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})
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case "failover-through-local-gateway-triggered":
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events = append(events, cache.UpdateEvent{
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CorrelationID: "upstream-target:db.default.default.dc1:" + dbUID.String(),
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Result: &structs.IndexedCheckServiceNodes{
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Nodes: TestUpstreamNodesInStatus(t, "critical"),
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},
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})
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fallthrough
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case "failover-through-local-gateway":
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events = append(events, cache.UpdateEvent{
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CorrelationID: "upstream-target:db.default.default.dc2:" + dbUID.String(),
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Result: &structs.IndexedCheckServiceNodes{
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Nodes: TestUpstreamNodesDC2(t),
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},
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})
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events = append(events, cache.UpdateEvent{
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CorrelationID: "mesh-gateway:dc1:" + dbUID.String(),
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Result: &structs.IndexedNodesWithGateways{
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Nodes: TestGatewayNodesDC1(t),
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},
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})
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case "failover-through-double-local-gateway-triggered":
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events = append(events, cache.UpdateEvent{
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CorrelationID: "upstream-target:db.default.default.dc1:" + dbUID.String(),
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Result: &structs.IndexedCheckServiceNodes{
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Nodes: TestUpstreamNodesInStatus(t, "critical"),
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},
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})
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events = append(events, cache.UpdateEvent{
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CorrelationID: "upstream-target:db.default.default.dc2:" + dbUID.String(),
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Result: &structs.IndexedCheckServiceNodes{
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Nodes: TestUpstreamNodesInStatusDC2(t, "critical"),
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},
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})
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fallthrough
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case "failover-through-double-local-gateway":
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events = append(events, cache.UpdateEvent{
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CorrelationID: "upstream-target:db.default.default.dc3:" + dbUID.String(),
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Result: &structs.IndexedCheckServiceNodes{
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Nodes: TestUpstreamNodesDC2(t),
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},
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})
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events = append(events, cache.UpdateEvent{
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CorrelationID: "mesh-gateway:dc1:" + dbUID.String(),
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Result: &structs.IndexedNodesWithGateways{
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Nodes: TestGatewayNodesDC1(t),
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},
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})
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case "splitter-with-resolver-redirect-multidc":
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events = append(events, cache.UpdateEvent{
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CorrelationID: "upstream-target:v1.db.default.default.dc1:" + dbUID.String(),
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Result: &structs.IndexedCheckServiceNodes{
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Nodes: TestUpstreamNodes(t, "db"),
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},
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})
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events = append(events, cache.UpdateEvent{
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CorrelationID: "upstream-target:v2.db.default.default.dc2:" + dbUID.String(),
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Result: &structs.IndexedCheckServiceNodes{
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Nodes: TestUpstreamNodesDC2(t),
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},
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})
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case "chain-and-splitter":
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case "grpc-router":
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case "chain-and-router":
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case "lb-resolver":
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default:
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t.Fatalf("unexpected variation: %q", variation)
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return nil
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}
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return events
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}
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func setupTestVariationDiscoveryChain(
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t testing.T,
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variation string,
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additionalEntries ...structs.ConfigEntry,
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) *structs.CompiledDiscoveryChain {
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// Compile a chain.
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var (
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entries []structs.ConfigEntry
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compileSetup func(req *discoverychain.CompileRequest)
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)
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switch variation {
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case "default":
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// no config entries
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case "simple-with-overrides":
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compileSetup = func(req *discoverychain.CompileRequest) {
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req.OverrideMeshGateway.Mode = structs.MeshGatewayModeLocal
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req.OverrideProtocol = "grpc"
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req.OverrideConnectTimeout = 66 * time.Second
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}
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fallthrough
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case "simple":
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entries = append(entries,
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&structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "db",
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ConnectTimeout: 33 * time.Second,
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},
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)
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case "external-sni":
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entries = append(entries,
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&structs.ServiceConfigEntry{
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Kind: structs.ServiceDefaults,
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Name: "db",
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ExternalSNI: "db.some.other.service.mesh",
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},
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&structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "db",
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ConnectTimeout: 33 * time.Second,
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},
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)
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case "failover":
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entries = append(entries,
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&structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "db",
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ConnectTimeout: 33 * time.Second,
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Failover: map[string]structs.ServiceResolverFailover{
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"*": {
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Service: "fail",
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},
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},
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},
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)
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case "failover-through-remote-gateway-triggered":
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fallthrough
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case "failover-through-remote-gateway":
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entries = append(entries,
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&structs.ServiceConfigEntry{
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Kind: structs.ServiceDefaults,
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Name: "db",
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MeshGateway: structs.MeshGatewayConfig{
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Mode: structs.MeshGatewayModeRemote,
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},
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},
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&structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "db",
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ConnectTimeout: 33 * time.Second,
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Failover: map[string]structs.ServiceResolverFailover{
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"*": {
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Datacenters: []string{"dc2"},
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},
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},
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},
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)
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case "failover-through-double-remote-gateway-triggered":
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fallthrough
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case "failover-through-double-remote-gateway":
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entries = append(entries,
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&structs.ServiceConfigEntry{
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Kind: structs.ServiceDefaults,
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Name: "db",
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MeshGateway: structs.MeshGatewayConfig{
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Mode: structs.MeshGatewayModeRemote,
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},
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},
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&structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "db",
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ConnectTimeout: 33 * time.Second,
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Failover: map[string]structs.ServiceResolverFailover{
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"*": {
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Datacenters: []string{"dc2", "dc3"},
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},
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},
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},
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)
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case "failover-through-local-gateway-triggered":
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fallthrough
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case "failover-through-local-gateway":
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entries = append(entries,
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&structs.ServiceConfigEntry{
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Kind: structs.ServiceDefaults,
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Name: "db",
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MeshGateway: structs.MeshGatewayConfig{
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Mode: structs.MeshGatewayModeLocal,
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},
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},
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&structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "db",
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ConnectTimeout: 33 * time.Second,
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Failover: map[string]structs.ServiceResolverFailover{
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"*": {
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Datacenters: []string{"dc2"},
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},
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},
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},
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)
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case "failover-through-double-local-gateway-triggered":
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fallthrough
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case "failover-through-double-local-gateway":
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entries = append(entries,
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&structs.ServiceConfigEntry{
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Kind: structs.ServiceDefaults,
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Name: "db",
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MeshGateway: structs.MeshGatewayConfig{
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Mode: structs.MeshGatewayModeLocal,
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},
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},
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&structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "db",
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ConnectTimeout: 33 * time.Second,
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Failover: map[string]structs.ServiceResolverFailover{
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"*": {
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Datacenters: []string{"dc2", "dc3"},
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},
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},
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},
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)
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case "splitter-with-resolver-redirect-multidc":
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entries = append(entries,
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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.ServiceResolver,
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Name: "db",
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Splits: []structs.ServiceSplit{
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{Weight: 50, Service: "db-dc1"},
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{Weight: 50, Service: "db-dc2"},
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},
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},
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&structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "db-dc1",
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Redirect: &structs.ServiceResolverRedirect{
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Service: "db",
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ServiceSubset: "v1",
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Datacenter: "dc1",
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},
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},
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&structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "db-dc2",
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Redirect: &structs.ServiceResolverRedirect{
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Service: "db",
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ServiceSubset: "v2",
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Datacenter: "dc2",
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},
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},
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&structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "db",
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Subsets: map[string]structs.ServiceResolverSubset{
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"v1": {
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Filter: "Service.Meta.version == v1",
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},
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"v2": {
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Filter: "Service.Meta.version == v2",
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},
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},
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},
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)
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case "chain-and-splitter":
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entries = append(entries,
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&structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "db",
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ConnectTimeout: 33 * time.Second,
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},
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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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{
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Weight: 95.5,
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Service: "big-side",
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RequestHeaders: &structs.HTTPHeaderModifiers{
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Set: map[string]string{"x-split-leg": "big"},
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},
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ResponseHeaders: &structs.HTTPHeaderModifiers{
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Set: map[string]string{"x-split-leg": "big"},
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},
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},
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{
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Weight: 4,
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Service: "goldilocks-side",
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RequestHeaders: &structs.HTTPHeaderModifiers{
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Set: map[string]string{"x-split-leg": "goldilocks"},
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},
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ResponseHeaders: &structs.HTTPHeaderModifiers{
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Set: map[string]string{"x-split-leg": "goldilocks"},
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},
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},
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{
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Weight: 0.5,
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Service: "lil-bit-side",
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RequestHeaders: &structs.HTTPHeaderModifiers{
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Set: map[string]string{"x-split-leg": "small"},
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},
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ResponseHeaders: &structs.HTTPHeaderModifiers{
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Set: map[string]string{"x-split-leg": "small"},
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},
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},
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},
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},
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)
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case "grpc-router":
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entries = append(entries,
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&structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "db",
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ConnectTimeout: 33 * time.Second,
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},
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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: &structs.ServiceRouteMatch{
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HTTP: &structs.ServiceRouteHTTPMatch{
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PathExact: "/fgrpc.PingServer/Ping",
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},
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},
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Destination: &structs.ServiceRouteDestination{
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Service: "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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case "chain-and-router":
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entries = append(entries,
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&structs.ServiceResolverConfigEntry{
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Kind: structs.ServiceResolver,
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Name: "db",
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ConnectTimeout: 33 * time.Second,
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},
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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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},
|
|
{
|
|
Match: httpMatchHeader(structs.ServiceRouteHTTPMatchHeader{
|
|
Name: "x-debug",
|
|
Regex: "regex",
|
|
}),
|
|
Destination: toService("hdr-regex"),
|
|
},
|
|
{
|
|
Match: httpMatch(&structs.ServiceRouteHTTPMatch{
|
|
Methods: []string{"GET", "PUT"},
|
|
}),
|
|
Destination: toService("just-methods"),
|
|
},
|
|
{
|
|
Match: httpMatch(&structs.ServiceRouteHTTPMatch{
|
|
Header: []structs.ServiceRouteHTTPMatchHeader{
|
|
{
|
|
Name: "x-debug",
|
|
Exact: "exact",
|
|
},
|
|
},
|
|
Methods: []string{"GET", "PUT"},
|
|
}),
|
|
Destination: toService("hdr-exact-with-method"),
|
|
},
|
|
{
|
|
Match: httpMatchParam(structs.ServiceRouteHTTPMatchQueryParam{
|
|
Name: "secretparam1",
|
|
Exact: "exact",
|
|
}),
|
|
Destination: toService("prm-exact"),
|
|
},
|
|
{
|
|
Match: httpMatchParam(structs.ServiceRouteHTTPMatchQueryParam{
|
|
Name: "secretparam2",
|
|
Regex: "regex",
|
|
}),
|
|
Destination: toService("prm-regex"),
|
|
},
|
|
{
|
|
Match: httpMatchParam(structs.ServiceRouteHTTPMatchQueryParam{
|
|
Name: "secretparam3",
|
|
Present: true,
|
|
}),
|
|
Destination: toService("prm-present"),
|
|
},
|
|
{
|
|
Match: nil,
|
|
Destination: toService("nil-match"),
|
|
},
|
|
{
|
|
Match: &structs.ServiceRouteMatch{},
|
|
Destination: toService("empty-match-1"),
|
|
},
|
|
{
|
|
Match: &structs.ServiceRouteMatch{
|
|
HTTP: &structs.ServiceRouteHTTPMatch{},
|
|
},
|
|
Destination: toService("empty-match-2"),
|
|
},
|
|
{
|
|
Match: httpMatch(&structs.ServiceRouteHTTPMatch{
|
|
PathPrefix: "/prefix",
|
|
}),
|
|
Destination: &structs.ServiceRouteDestination{
|
|
Service: "prefix-rewrite-1",
|
|
PrefixRewrite: "/",
|
|
},
|
|
},
|
|
{
|
|
Match: httpMatch(&structs.ServiceRouteHTTPMatch{
|
|
PathPrefix: "/prefix",
|
|
}),
|
|
Destination: &structs.ServiceRouteDestination{
|
|
Service: "prefix-rewrite-2",
|
|
PrefixRewrite: "/nested/newlocation",
|
|
},
|
|
},
|
|
{
|
|
Match: httpMatch(&structs.ServiceRouteHTTPMatch{
|
|
PathPrefix: "/timeout",
|
|
}),
|
|
Destination: &structs.ServiceRouteDestination{
|
|
Service: "req-timeout",
|
|
RequestTimeout: 33 * time.Second,
|
|
},
|
|
},
|
|
{
|
|
Match: httpMatch(&structs.ServiceRouteHTTPMatch{
|
|
PathPrefix: "/retry-connect",
|
|
}),
|
|
Destination: &structs.ServiceRouteDestination{
|
|
Service: "retry-connect",
|
|
NumRetries: 15,
|
|
RetryOnConnectFailure: true,
|
|
},
|
|
},
|
|
{
|
|
Match: httpMatch(&structs.ServiceRouteHTTPMatch{
|
|
PathPrefix: "/retry-codes",
|
|
}),
|
|
Destination: &structs.ServiceRouteDestination{
|
|
Service: "retry-codes",
|
|
NumRetries: 15,
|
|
RetryOnStatusCodes: []uint32{401, 409, 451},
|
|
},
|
|
},
|
|
{
|
|
Match: httpMatch(&structs.ServiceRouteHTTPMatch{
|
|
PathPrefix: "/retry-both",
|
|
}),
|
|
Destination: &structs.ServiceRouteDestination{
|
|
Service: "retry-both",
|
|
RetryOnConnectFailure: true,
|
|
RetryOnStatusCodes: []uint32{401, 409, 451},
|
|
},
|
|
},
|
|
{
|
|
Match: httpMatch(&structs.ServiceRouteHTTPMatch{
|
|
PathPrefix: "/split-3-ways",
|
|
}),
|
|
Destination: toService("split-3-ways"),
|
|
},
|
|
{
|
|
Match: httpMatch(&structs.ServiceRouteHTTPMatch{
|
|
PathExact: "/header-manip",
|
|
}),
|
|
Destination: &structs.ServiceRouteDestination{
|
|
Service: "header-manip",
|
|
RequestHeaders: &structs.HTTPHeaderModifiers{
|
|
Add: map[string]string{
|
|
"request": "bar",
|
|
},
|
|
Set: map[string]string{
|
|
"bar": "baz",
|
|
},
|
|
Remove: []string{"qux"},
|
|
},
|
|
ResponseHeaders: &structs.HTTPHeaderModifiers{
|
|
Add: map[string]string{
|
|
"response": "bar",
|
|
},
|
|
Set: map[string]string{
|
|
"bar": "baz",
|
|
},
|
|
Remove: []string{"qux"},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
)
|
|
case "lb-resolver":
|
|
entries = append(entries,
|
|
&structs.ProxyConfigEntry{
|
|
Kind: structs.ProxyDefaults,
|
|
Name: structs.ProxyConfigGlobal,
|
|
Config: map[string]interface{}{
|
|
"protocol": "http",
|
|
},
|
|
},
|
|
&structs.ServiceSplitterConfigEntry{
|
|
Kind: structs.ServiceSplitter,
|
|
Name: "db",
|
|
Splits: []structs.ServiceSplit{
|
|
{Weight: 95.5, Service: "something-else"},
|
|
{Weight: 4.5, Service: "db"},
|
|
},
|
|
},
|
|
&structs.ServiceResolverConfigEntry{
|
|
Kind: structs.ServiceResolver,
|
|
Name: "db",
|
|
LoadBalancer: &structs.LoadBalancer{
|
|
Policy: "ring_hash",
|
|
RingHashConfig: &structs.RingHashConfig{
|
|
MinimumRingSize: 20,
|
|
MaximumRingSize: 30,
|
|
},
|
|
HashPolicies: []structs.HashPolicy{
|
|
{
|
|
Field: "cookie",
|
|
FieldValue: "chocolate-chip",
|
|
Terminal: true,
|
|
},
|
|
{
|
|
Field: "cookie",
|
|
FieldValue: "chocolate-chip",
|
|
CookieConfig: &structs.CookieConfig{Session: true},
|
|
},
|
|
{
|
|
Field: "header",
|
|
FieldValue: "x-user-id",
|
|
},
|
|
{
|
|
SourceIP: true,
|
|
Terminal: true,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
)
|
|
default:
|
|
t.Fatalf("unexpected variation: %q", variation)
|
|
return nil
|
|
}
|
|
|
|
if len(additionalEntries) > 0 {
|
|
entries = append(entries, additionalEntries...)
|
|
}
|
|
|
|
return discoverychain.TestCompileConfigEntries(t, "db", "default", "default", "dc1", connect.TestClusterID+".consul", compileSetup, entries...)
|
|
}
|
|
|
|
func httpMatch(http *structs.ServiceRouteHTTPMatch) *structs.ServiceRouteMatch {
|
|
return &structs.ServiceRouteMatch{HTTP: http}
|
|
}
|
|
func httpMatchHeader(headers ...structs.ServiceRouteHTTPMatchHeader) *structs.ServiceRouteMatch {
|
|
return httpMatch(&structs.ServiceRouteHTTPMatch{
|
|
Header: headers,
|
|
})
|
|
}
|
|
func httpMatchParam(params ...structs.ServiceRouteHTTPMatchQueryParam) *structs.ServiceRouteMatch {
|
|
return httpMatch(&structs.ServiceRouteHTTPMatch{
|
|
QueryParam: params,
|
|
})
|
|
}
|
|
func toService(svc string) *structs.ServiceRouteDestination {
|
|
return &structs.ServiceRouteDestination{Service: svc}
|
|
}
|