804 lines
19 KiB
Go
804 lines
19 KiB
Go
package agent
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import (
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"fmt"
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"os"
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"reflect"
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"testing"
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"time"
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"github.com/hashicorp/consul/consul/structs"
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"github.com/hashicorp/consul/testutil"
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)
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func TestAgentAntiEntropy_Services(t *testing.T) {
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conf := nextConfig()
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dir, agent := makeAgent(t, conf)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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testutil.WaitForLeader(t, agent.RPC, "dc1")
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// Register info
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args := &structs.RegisterRequest{
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Datacenter: "dc1",
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Node: agent.config.NodeName,
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Address: "127.0.0.1",
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}
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// Exists both, same (noop)
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var out struct{}
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srv1 := &structs.NodeService{
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ID: "mysql",
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Service: "mysql",
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Tags: []string{"master"},
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Port: 5000,
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}
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agent.state.AddService(srv1, "")
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args.Service = srv1
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if err := agent.RPC("Catalog.Register", args, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Exists both, different (update)
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srv2 := &structs.NodeService{
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ID: "redis",
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Service: "redis",
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Tags: []string{},
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Port: 8000,
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}
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agent.state.AddService(srv2, "")
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srv2_mod := new(structs.NodeService)
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*srv2_mod = *srv2
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srv2_mod.Port = 9000
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args.Service = srv2_mod
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if err := agent.RPC("Catalog.Register", args, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Exists local (create)
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srv3 := &structs.NodeService{
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ID: "web",
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Service: "web",
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Tags: []string{},
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Port: 80,
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}
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agent.state.AddService(srv3, "")
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// Exists remote (delete)
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srv4 := &structs.NodeService{
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ID: "lb",
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Service: "lb",
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Tags: []string{},
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Port: 443,
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}
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args.Service = srv4
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if err := agent.RPC("Catalog.Register", args, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Exists both, different address (update)
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srv5 := &structs.NodeService{
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ID: "api",
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Service: "api",
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Tags: []string{},
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Address: "127.0.0.10",
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Port: 8000,
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}
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agent.state.AddService(srv5, "")
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// Exists local, in sync, remote missing (create)
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srv6 := &structs.NodeService{
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ID: "cache",
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Service: "cache",
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Tags: []string{},
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Port: 11211,
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}
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agent.state.AddService(srv6, "")
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agent.state.serviceStatus["cache"] = syncStatus{inSync: true}
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srv5_mod := new(structs.NodeService)
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*srv5_mod = *srv5
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srv5_mod.Address = "127.0.0.1"
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args.Service = srv5_mod
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if err := agent.RPC("Catalog.Register", args, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Trigger anti-entropy run and wait
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agent.StartSync()
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time.Sleep(200 * time.Millisecond)
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// Verify that we are in sync
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req := structs.NodeSpecificRequest{
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Datacenter: "dc1",
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Node: agent.config.NodeName,
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}
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var services structs.IndexedNodeServices
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if err := agent.RPC("Catalog.NodeServices", &req, &services); err != nil {
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t.Fatalf("err: %v", err)
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}
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// We should have 6 services (consul included)
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if len(services.NodeServices.Services) != 6 {
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t.Fatalf("bad: %v", services.NodeServices.Services)
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}
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// All the services should match
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for id, serv := range services.NodeServices.Services {
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serv.CreateIndex, serv.ModifyIndex = 0, 0
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switch id {
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case "mysql":
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if !reflect.DeepEqual(serv, srv1) {
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t.Fatalf("bad: %v %v", serv, srv1)
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}
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case "redis":
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if !reflect.DeepEqual(serv, srv2) {
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t.Fatalf("bad: %#v %#v", serv, srv2)
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}
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case "web":
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if !reflect.DeepEqual(serv, srv3) {
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t.Fatalf("bad: %v %v", serv, srv3)
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}
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case "api":
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if !reflect.DeepEqual(serv, srv5) {
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t.Fatalf("bad: %v %v", serv, srv5)
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}
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case "cache":
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if !reflect.DeepEqual(serv, srv6) {
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t.Fatalf("bad: %v %v", serv, srv6)
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}
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case "consul":
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// ignore
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default:
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t.Fatalf("unexpected service: %v", id)
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}
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}
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// Check the local state
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if len(agent.state.services) != 6 {
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t.Fatalf("bad: %v", agent.state.services)
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}
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if len(agent.state.serviceStatus) != 6 {
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t.Fatalf("bad: %v", agent.state.serviceStatus)
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}
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for name, status := range agent.state.serviceStatus {
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if !status.inSync {
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t.Fatalf("should be in sync: %v %v", name, status)
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}
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}
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}
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func TestAgentAntiEntropy_EnableTagOverride(t *testing.T) {
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conf := nextConfig()
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dir, agent := makeAgent(t, conf)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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testutil.WaitForLeader(t, agent.RPC, "dc1")
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args := &structs.RegisterRequest{
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Datacenter: "dc1",
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Node: agent.config.NodeName,
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Address: "127.0.0.1",
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}
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var out struct{}
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// EnableTagOverride = true
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srv1 := &structs.NodeService{
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ID: "svc_id1",
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Service: "svc1",
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Tags: []string{"tag1"},
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Port: 6100,
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EnableTagOverride: true,
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}
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agent.state.AddService(srv1, "")
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srv1_mod := new(structs.NodeService)
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*srv1_mod = *srv1
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srv1_mod.Port = 7100
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srv1_mod.Tags = []string{"tag1_mod"}
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args.Service = srv1_mod
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if err := agent.RPC("Catalog.Register", args, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// EnableTagOverride = false
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srv2 := &structs.NodeService{
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ID: "svc_id2",
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Service: "svc2",
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Tags: []string{"tag2"},
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Port: 6200,
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EnableTagOverride: false,
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}
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agent.state.AddService(srv2, "")
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srv2_mod := new(structs.NodeService)
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*srv2_mod = *srv2
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srv2_mod.Port = 7200
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srv2_mod.Tags = []string{"tag2_mod"}
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args.Service = srv2_mod
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if err := agent.RPC("Catalog.Register", args, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Trigger anti-entropy run and wait
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agent.StartSync()
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time.Sleep(200 * time.Millisecond)
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// Verify that we are in sync
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req := structs.NodeSpecificRequest{
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Datacenter: "dc1",
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Node: agent.config.NodeName,
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}
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var services structs.IndexedNodeServices
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if err := agent.RPC("Catalog.NodeServices", &req, &services); err != nil {
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t.Fatalf("err: %v", err)
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}
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// All the services should match
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for id, serv := range services.NodeServices.Services {
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serv.CreateIndex, serv.ModifyIndex = 0, 0
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switch id {
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case "svc_id1":
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if serv.ID != "svc_id1" ||
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serv.Service != "svc1" ||
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serv.Port != 6100 ||
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!reflect.DeepEqual(serv.Tags, []string{"tag1_mod"}) {
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t.Fatalf("bad: %v %v", serv, srv1)
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}
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case "svc_id2":
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if serv.ID != "svc_id2" ||
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serv.Service != "svc2" ||
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serv.Port != 6200 ||
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!reflect.DeepEqual(serv.Tags, []string{"tag2"}) {
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t.Fatalf("bad: %v %v", serv, srv2)
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}
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case "consul":
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// ignore
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default:
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t.Fatalf("unexpected service: %v", id)
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}
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}
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for name, status := range agent.state.serviceStatus {
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if !status.inSync {
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t.Fatalf("should be in sync: %v %v", name, status)
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}
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}
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}
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func TestAgentAntiEntropy_Services_WithChecks(t *testing.T) {
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conf := nextConfig()
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dir, agent := makeAgent(t, conf)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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testutil.WaitForLeader(t, agent.RPC, "dc1")
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{
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// Single check
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srv := &structs.NodeService{
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ID: "mysql",
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Service: "mysql",
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Tags: []string{"master"},
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Port: 5000,
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}
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agent.state.AddService(srv, "")
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chk := &structs.HealthCheck{
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Node: agent.config.NodeName,
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CheckID: "mysql",
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Name: "mysql",
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ServiceID: "mysql",
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Status: structs.HealthPassing,
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}
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agent.state.AddCheck(chk, "")
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// Sync the service once
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if err := agent.state.syncService("mysql"); err != nil {
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t.Fatalf("err: %s", err)
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}
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// We should have 2 services (consul included)
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svcReq := structs.NodeSpecificRequest{
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Datacenter: "dc1",
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Node: agent.config.NodeName,
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}
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var services structs.IndexedNodeServices
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if err := agent.RPC("Catalog.NodeServices", &svcReq, &services); err != nil {
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t.Fatalf("err: %v", err)
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}
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if len(services.NodeServices.Services) != 2 {
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t.Fatalf("bad: %v", services.NodeServices.Services)
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}
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// We should have one health check
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chkReq := structs.ServiceSpecificRequest{
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Datacenter: "dc1",
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ServiceName: "mysql",
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}
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var checks structs.IndexedHealthChecks
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if err := agent.RPC("Health.ServiceChecks", &chkReq, &checks); err != nil {
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t.Fatalf("err: %v", err)
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}
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if len(checks.HealthChecks) != 1 {
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t.Fatalf("bad: %v", checks)
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}
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}
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{
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// Multiple checks
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srv := &structs.NodeService{
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ID: "redis",
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Service: "redis",
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Tags: []string{"master"},
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Port: 5000,
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}
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agent.state.AddService(srv, "")
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chk1 := &structs.HealthCheck{
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Node: agent.config.NodeName,
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CheckID: "redis:1",
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Name: "redis:1",
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ServiceID: "redis",
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Status: structs.HealthPassing,
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}
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agent.state.AddCheck(chk1, "")
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chk2 := &structs.HealthCheck{
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Node: agent.config.NodeName,
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CheckID: "redis:2",
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Name: "redis:2",
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ServiceID: "redis",
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Status: structs.HealthPassing,
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}
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agent.state.AddCheck(chk2, "")
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// Sync the service once
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if err := agent.state.syncService("redis"); err != nil {
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t.Fatalf("err: %s", err)
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}
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// We should have 3 services (consul included)
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svcReq := structs.NodeSpecificRequest{
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Datacenter: "dc1",
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Node: agent.config.NodeName,
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}
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var services structs.IndexedNodeServices
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if err := agent.RPC("Catalog.NodeServices", &svcReq, &services); err != nil {
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t.Fatalf("err: %v", err)
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}
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if len(services.NodeServices.Services) != 3 {
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t.Fatalf("bad: %v", services.NodeServices.Services)
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}
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// We should have two health checks
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chkReq := structs.ServiceSpecificRequest{
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Datacenter: "dc1",
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ServiceName: "redis",
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}
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var checks structs.IndexedHealthChecks
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if err := agent.RPC("Health.ServiceChecks", &chkReq, &checks); err != nil {
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t.Fatalf("err: %v", err)
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}
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if len(checks.HealthChecks) != 2 {
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t.Fatalf("bad: %v", checks)
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}
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}
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}
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func TestAgentAntiEntropy_Services_ACLDeny(t *testing.T) {
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conf := nextConfig()
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conf.ACLDatacenter = "dc1"
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conf.ACLMasterToken = "root"
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conf.ACLDefaultPolicy = "deny"
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dir, agent := makeAgent(t, conf)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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testutil.WaitForLeader(t, agent.RPC, "dc1")
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// Create the ACL
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arg := structs.ACLRequest{
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Datacenter: "dc1",
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Op: structs.ACLSet,
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ACL: structs.ACL{
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Name: "User token",
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Type: structs.ACLTypeClient,
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Rules: testRegisterRules,
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},
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WriteRequest: structs.WriteRequest{Token: "root"},
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}
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var out string
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if err := agent.RPC("ACL.Apply", &arg, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Update the agent ACL token, resume sync
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conf.ACLToken = out
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// Create service (Allowed)
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srv1 := &structs.NodeService{
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ID: "mysql",
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Service: "mysql",
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Tags: []string{"master"},
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Port: 5000,
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}
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agent.state.AddService(srv1, "")
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// Create service (Disallowed)
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srv2 := &structs.NodeService{
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ID: "api",
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Service: "api",
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Tags: []string{"foo"},
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Port: 5001,
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}
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agent.state.AddService(srv2, "")
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// Trigger anti-entropy run and wait
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agent.StartSync()
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time.Sleep(200 * time.Millisecond)
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// Verify that we are in sync
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req := structs.NodeSpecificRequest{
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Datacenter: "dc1",
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Node: agent.config.NodeName,
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QueryOptions: structs.QueryOptions{Token: out},
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}
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var services structs.IndexedNodeServices
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if err := agent.RPC("Catalog.NodeServices", &req, &services); err != nil {
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t.Fatalf("err: %v", err)
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}
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// We should have 2 services (consul included)
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if len(services.NodeServices.Services) != 2 {
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t.Fatalf("bad: %v", services.NodeServices.Services)
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}
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// All the services should match
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for id, serv := range services.NodeServices.Services {
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serv.CreateIndex, serv.ModifyIndex = 0, 0
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switch id {
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case "mysql":
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t.Fatalf("should not be permitted")
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case "api":
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if !reflect.DeepEqual(serv, srv2) {
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t.Fatalf("bad: %#v %#v", serv, srv2)
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}
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case "consul":
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// ignore
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default:
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t.Fatalf("unexpected service: %v", id)
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}
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}
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// Check the local state
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if len(agent.state.services) != 3 {
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t.Fatalf("bad: %v", agent.state.services)
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}
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if len(agent.state.serviceStatus) != 3 {
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t.Fatalf("bad: %v", agent.state.serviceStatus)
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}
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for name, status := range agent.state.serviceStatus {
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if !status.inSync {
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t.Fatalf("should be in sync: %v %v", name, status)
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}
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}
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}
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func TestAgentAntiEntropy_Checks(t *testing.T) {
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conf := nextConfig()
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dir, agent := makeAgent(t, conf)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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testutil.WaitForLeader(t, agent.RPC, "dc1")
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// Register info
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args := &structs.RegisterRequest{
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Datacenter: "dc1",
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Node: agent.config.NodeName,
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Address: "127.0.0.1",
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}
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// Exists both, same (noop)
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var out struct{}
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chk1 := &structs.HealthCheck{
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Node: agent.config.NodeName,
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CheckID: "mysql",
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Name: "mysql",
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Status: structs.HealthPassing,
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}
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agent.state.AddCheck(chk1, "")
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args.Check = chk1
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if err := agent.RPC("Catalog.Register", args, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Exists both, different (update)
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chk2 := &structs.HealthCheck{
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Node: agent.config.NodeName,
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CheckID: "redis",
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Name: "redis",
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Status: structs.HealthPassing,
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}
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agent.state.AddCheck(chk2, "")
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chk2_mod := new(structs.HealthCheck)
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*chk2_mod = *chk2
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chk2_mod.Status = structs.HealthCritical
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args.Check = chk2_mod
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if err := agent.RPC("Catalog.Register", args, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Exists local (create)
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|
chk3 := &structs.HealthCheck{
|
|
Node: agent.config.NodeName,
|
|
CheckID: "web",
|
|
Name: "web",
|
|
Status: structs.HealthPassing,
|
|
}
|
|
agent.state.AddCheck(chk3, "")
|
|
|
|
// Exists remote (delete)
|
|
chk4 := &structs.HealthCheck{
|
|
Node: agent.config.NodeName,
|
|
CheckID: "lb",
|
|
Name: "lb",
|
|
Status: structs.HealthPassing,
|
|
}
|
|
args.Check = chk4
|
|
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Exists local, in sync, remote missing (create)
|
|
chk5 := &structs.HealthCheck{
|
|
Node: agent.config.NodeName,
|
|
CheckID: "cache",
|
|
Name: "cache",
|
|
Status: structs.HealthPassing,
|
|
}
|
|
agent.state.AddCheck(chk5, "")
|
|
agent.state.checkStatus["cache"] = syncStatus{inSync: true}
|
|
|
|
// Trigger anti-entropy run and wait
|
|
agent.StartSync()
|
|
time.Sleep(200 * time.Millisecond)
|
|
|
|
// Verify that we are in sync
|
|
req := structs.NodeSpecificRequest{
|
|
Datacenter: "dc1",
|
|
Node: agent.config.NodeName,
|
|
}
|
|
var checks structs.IndexedHealthChecks
|
|
if err := agent.RPC("Health.NodeChecks", &req, &checks); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// We should have 5 checks (serf included)
|
|
if len(checks.HealthChecks) != 5 {
|
|
t.Fatalf("bad: %v", checks)
|
|
}
|
|
|
|
// All the checks should match
|
|
for _, chk := range checks.HealthChecks {
|
|
chk.CreateIndex, chk.ModifyIndex = 0, 0
|
|
switch chk.CheckID {
|
|
case "mysql":
|
|
if !reflect.DeepEqual(chk, chk1) {
|
|
t.Fatalf("bad: %v %v", chk, chk1)
|
|
}
|
|
case "redis":
|
|
if !reflect.DeepEqual(chk, chk2) {
|
|
t.Fatalf("bad: %v %v", chk, chk2)
|
|
}
|
|
case "web":
|
|
if !reflect.DeepEqual(chk, chk3) {
|
|
t.Fatalf("bad: %v %v", chk, chk3)
|
|
}
|
|
case "cache":
|
|
if !reflect.DeepEqual(chk, chk5) {
|
|
t.Fatalf("bad: %v %v", chk, chk5)
|
|
}
|
|
case "serfHealth":
|
|
// ignore
|
|
default:
|
|
t.Fatalf("unexpected check: %v", chk)
|
|
}
|
|
}
|
|
|
|
// Check the local state
|
|
if len(agent.state.checks) != 4 {
|
|
t.Fatalf("bad: %v", agent.state.checks)
|
|
}
|
|
if len(agent.state.checkStatus) != 4 {
|
|
t.Fatalf("bad: %v", agent.state.checkStatus)
|
|
}
|
|
for name, status := range agent.state.checkStatus {
|
|
if !status.inSync {
|
|
t.Fatalf("should be in sync: %v %v", name, status)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestAgentAntiEntropy_Check_DeferSync(t *testing.T) {
|
|
conf := nextConfig()
|
|
conf.CheckUpdateInterval = 100 * time.Millisecond
|
|
dir, agent := makeAgent(t, conf)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
testutil.WaitForLeader(t, agent.RPC, "dc1")
|
|
|
|
// Create a check
|
|
check := &structs.HealthCheck{
|
|
Node: agent.config.NodeName,
|
|
CheckID: "web",
|
|
Name: "web",
|
|
Status: structs.HealthPassing,
|
|
Output: "",
|
|
}
|
|
agent.state.AddCheck(check, "")
|
|
|
|
// Trigger anti-entropy run and wait
|
|
agent.StartSync()
|
|
time.Sleep(200 * time.Millisecond)
|
|
|
|
// Verify that we are in sync
|
|
req := structs.NodeSpecificRequest{
|
|
Datacenter: "dc1",
|
|
Node: agent.config.NodeName,
|
|
}
|
|
var checks structs.IndexedHealthChecks
|
|
if err := agent.RPC("Health.NodeChecks", &req, &checks); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Verify checks in place
|
|
if len(checks.HealthChecks) != 2 {
|
|
t.Fatalf("checks: %v", check)
|
|
}
|
|
|
|
// Update the check output! Should be deferred
|
|
agent.state.UpdateCheck("web", structs.HealthPassing, "output")
|
|
|
|
// Should not update for 100 milliseconds
|
|
time.Sleep(50 * time.Millisecond)
|
|
if err := agent.RPC("Health.NodeChecks", &req, &checks); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Verify not updated
|
|
for _, chk := range checks.HealthChecks {
|
|
switch chk.CheckID {
|
|
case "web":
|
|
if chk.Output != "" {
|
|
t.Fatalf("early update: %v", chk)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Wait for a deferred update
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
if err := agent.RPC("Health.NodeChecks", &req, &checks); err != nil {
|
|
return false, err
|
|
}
|
|
|
|
// Verify updated
|
|
for _, chk := range checks.HealthChecks {
|
|
switch chk.CheckID {
|
|
case "web":
|
|
if chk.Output != "output" {
|
|
return false, fmt.Errorf("no update: %v", chk)
|
|
}
|
|
}
|
|
}
|
|
|
|
return true, nil
|
|
}, func(err error) {
|
|
t.Fatalf("err: %s", err)
|
|
})
|
|
}
|
|
|
|
func TestAgentAntiEntropy_deleteService_fails(t *testing.T) {
|
|
l := new(localState)
|
|
if err := l.deleteService(""); err == nil {
|
|
t.Fatalf("should have failed")
|
|
}
|
|
}
|
|
|
|
func TestAgentAntiEntropy_deleteCheck_fails(t *testing.T) {
|
|
l := new(localState)
|
|
if err := l.deleteCheck(""); err == nil {
|
|
t.Fatalf("should have errored")
|
|
}
|
|
}
|
|
|
|
func TestAgent_serviceTokens(t *testing.T) {
|
|
config := nextConfig()
|
|
config.ACLToken = "default"
|
|
l := new(localState)
|
|
l.Init(config, nil)
|
|
|
|
// Returns default when no token is set
|
|
if token := l.ServiceToken("redis"); token != "default" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
|
|
// Returns configured token
|
|
l.serviceTokens["redis"] = "abc123"
|
|
if token := l.ServiceToken("redis"); token != "abc123" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
|
|
// Removes token
|
|
l.RemoveService("redis")
|
|
if token := l.ServiceToken("redis"); token != "default" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
}
|
|
|
|
func TestAgent_checkTokens(t *testing.T) {
|
|
config := nextConfig()
|
|
config.ACLToken = "default"
|
|
l := new(localState)
|
|
l.Init(config, nil)
|
|
|
|
// Returns default when no token is set
|
|
if token := l.CheckToken("mem"); token != "default" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
|
|
// Returns configured token
|
|
l.checkTokens["mem"] = "abc123"
|
|
if token := l.CheckToken("mem"); token != "abc123" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
|
|
// Removes token
|
|
l.RemoveCheck("mem")
|
|
if token := l.CheckToken("mem"); token != "default" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
}
|
|
|
|
func TestAgent_nestedPauseResume(t *testing.T) {
|
|
l := new(localState)
|
|
if l.isPaused() != false {
|
|
t.Fatal("localState should be unPaused after init")
|
|
}
|
|
l.Pause()
|
|
if l.isPaused() != true {
|
|
t.Fatal("localState should be Paused after first call to Pause()")
|
|
}
|
|
l.Pause()
|
|
if l.isPaused() != true {
|
|
t.Fatal("localState should STILL be Paused after second call to Pause()")
|
|
}
|
|
l.Resume()
|
|
if l.isPaused() != true {
|
|
t.Fatal("localState should STILL be Paused after FIRST call to Resume()")
|
|
}
|
|
l.Resume()
|
|
if l.isPaused() != false {
|
|
t.Fatal("localState should NOT be Paused after SECOND call to Resume()")
|
|
}
|
|
|
|
defer func() {
|
|
err := recover()
|
|
if err == nil {
|
|
t.Fatal("unbalanced Resume() should cause a panic()")
|
|
}
|
|
}()
|
|
l.Resume()
|
|
|
|
}
|
|
|
|
var testRegisterRules = `
|
|
service "api" {
|
|
policy = "write"
|
|
}
|
|
`
|