open-consul/command/agent/local_test.go

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package agent
import (
"github.com/hashicorp/consul/testutil"
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"github.com/hashicorp/consul/consul/structs"
"os"
"reflect"
"testing"
"time"
)
func TestAgentAntiEntropy_Services(t *testing.T) {
conf := nextConfig()
dir, agent := makeAgent(t, conf)
defer os.RemoveAll(dir)
defer agent.Shutdown()
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
Address: "127.0.0.1",
}
testutil.WaitForLeader(t, agent.RPC)
// Register info. Exists both, same (noop)
var out struct{}
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srv1 := &structs.NodeService{
ID: "mysql",
Service: "mysql",
Tags: []string{"master"},
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Port: 5000,
}
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agent.state.AddService(srv1)
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args.Service = srv1
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists both, different (update)
srv2 := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: nil,
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Port: 8000,
}
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agent.state.AddService(srv2)
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srv2_mod := new(structs.NodeService)
*srv2_mod = *srv2
srv2_mod.Port = 9000
args.Service = srv2_mod
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists local (create)
srv3 := &structs.NodeService{
ID: "web",
Service: "web",
Tags: nil,
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Port: 80,
}
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agent.state.AddService(srv3)
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// Exists remote (delete)
srv4 := &structs.NodeService{
ID: "lb",
Service: "lb",
Tags: nil,
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Port: 443,
}
args.Service = srv4
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Trigger anti-entropy run and wait
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agent.StartSync()
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time.Sleep(100 * time.Millisecond)
// Verify that we are in sync
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
}
var services structs.IndexedNodeServices
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if err := agent.RPC("Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
// We should have 4 services (consul included)
if len(services.NodeServices.Services) != 4 {
t.Fatalf("bad: %v", services.NodeServices.Services)
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}
// All the services should match
for id, serv := range services.NodeServices.Services {
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switch id {
case "mysql":
if !reflect.DeepEqual(serv, srv1) {
t.Fatalf("bad: %v %v", serv, srv1)
}
case "redis":
if !reflect.DeepEqual(serv, srv2) {
t.Fatalf("bad: %v %v", serv, srv2)
}
case "web":
if !reflect.DeepEqual(serv, srv3) {
t.Fatalf("bad: %v %v", serv, srv3)
}
case "consul":
// ignore
default:
t.Fatalf("unexpected service: %v", id)
}
}
// Check the local state
if len(agent.state.services) != 3 {
t.Fatalf("bad: %v", agent.state.services)
}
if len(agent.state.serviceStatus) != 3 {
t.Fatalf("bad: %v", agent.state.serviceStatus)
}
for name, status := range agent.state.serviceStatus {
if !status.inSync {
t.Fatalf("should be in sync: %v %v", name, status)
}
}
}
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func TestAgentAntiEntropy_Checks(t *testing.T) {
conf := nextConfig()
dir, agent := makeAgent(t, conf)
defer os.RemoveAll(dir)
defer agent.Shutdown()
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
Address: "127.0.0.1",
}
testutil.WaitForLeader(t, agent.RPC)
// Register info. Exists both, same (noop)
var out struct{}
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chk1 := &structs.HealthCheck{
Node: agent.config.NodeName,
CheckID: "mysql",
Name: "mysql",
Status: structs.HealthPassing,
}
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agent.state.AddCheck(chk1)
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args.Check = chk1
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists both, different (update)
chk2 := &structs.HealthCheck{
Node: agent.config.NodeName,
CheckID: "redis",
Name: "redis",
Status: structs.HealthPassing,
}
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agent.state.AddCheck(chk2)
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chk2_mod := new(structs.HealthCheck)
*chk2_mod = *chk2
chk2_mod.Status = structs.HealthUnknown
args.Check = chk2_mod
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists local (create)
chk3 := &structs.HealthCheck{
Node: agent.config.NodeName,
CheckID: "web",
Name: "web",
Status: structs.HealthPassing,
}
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agent.state.AddCheck(chk3)
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// 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)
}
// Trigger anti-entropy run and wait
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agent.StartSync()
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time.Sleep(100 * time.Millisecond)
// Verify that we are in sync
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
}
var checks structs.IndexedHealthChecks
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if err := agent.RPC("Health.NodeChecks", &req, &checks); err != nil {
t.Fatalf("err: %v", err)
}
// We should have 4 services (serf included)
if len(checks.HealthChecks) != 4 {
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t.Fatalf("bad: %v", checks)
}
// All the checks should match
for _, chk := range checks.HealthChecks {
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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 "serfHealth":
// ignore
default:
t.Fatalf("unexpected check: %v", chk)
}
}
// Check the local state
if len(agent.state.checks) != 3 {
t.Fatalf("bad: %v", agent.state.checks)
}
if len(agent.state.checkStatus) != 3 {
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)
}
}
}