open-nomad/command/agent/consul/syncer_test.go
2016-08-31 14:14:17 -07:00

280 lines
7.5 KiB
Go

package consul
import (
"log"
"net"
"os"
"reflect"
"testing"
"time"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/hashicorp/nomad/nomad/structs/config"
)
const (
allocID = "12"
serviceRegPrefix = "test"
serviceGroupName = "executor"
)
var logger = log.New(os.Stdout, "", log.LstdFlags)
func TestCheckRegistration(t *testing.T) {
cs, err := NewSyncer(config.DefaultConsulConfig(), make(chan struct{}), logger)
if err != nil {
t.Fatalf("Err: %v", err)
}
check1 := structs.ServiceCheck{
Name: "check-foo-1",
Type: structs.ServiceCheckTCP,
Interval: 30 * time.Second,
Timeout: 5 * time.Second,
InitialStatus: api.HealthPassing,
}
check2 := structs.ServiceCheck{
Name: "check1",
Type: "tcp",
PortLabel: "port2",
Interval: 3 * time.Second,
Timeout: 1 * time.Second,
}
check3 := structs.ServiceCheck{
Name: "check3",
Type: "http",
PortLabel: "port3",
Path: "/health?p1=1&p2=2",
Interval: 3 * time.Second,
Timeout: 1 * time.Second,
}
service1 := structs.Service{
Name: "foo-1",
Tags: []string{"tag1", "tag2"},
PortLabel: "port1",
Checks: []*structs.ServiceCheck{
&check1, &check2,
},
}
task := structs.Task{
Name: "foo",
Services: []*structs.Service{&service1},
Resources: &structs.Resources{
Networks: []*structs.NetworkResource{
&structs.NetworkResource{
IP: "10.10.11.5",
DynamicPorts: []structs.Port{
structs.Port{
Label: "port1",
Value: 20002,
},
structs.Port{
Label: "port2",
Value: 20003,
},
structs.Port{
Label: "port3",
Value: 20004,
},
},
},
},
},
}
cs.SetAddrFinder(task.FindHostAndPortFor)
srvReg, _ := cs.createService(&service1, "domain", "key")
check1Reg, _ := cs.createCheckReg(&check1, srvReg)
check2Reg, _ := cs.createCheckReg(&check2, srvReg)
check3Reg, _ := cs.createCheckReg(&check3, srvReg)
expected := "10.10.11.5:20002"
if check1Reg.TCP != expected {
t.Fatalf("expected: %v, actual: %v", expected, check1Reg.TCP)
}
expected = "10.10.11.5:20003"
if check2Reg.TCP != expected {
t.Fatalf("expected: %v, actual: %v", expected, check2Reg.TCP)
}
expected = "http://10.10.11.5:20004/health?p1=1&p2=2"
if check3Reg.HTTP != expected {
t.Fatalf("expected: %v, actual: %v", expected, check3Reg.HTTP)
}
expected = api.HealthPassing
if check1Reg.Status != expected {
t.Fatalf("expected: %v, actual: %v", expected, check1Reg.Status)
}
}
func TestConsulServiceRegisterServices(t *testing.T) {
cs, err := NewSyncer(config.DefaultConsulConfig(), nil, logger)
if err != nil {
t.Fatalf("Err: %v", err)
}
defer cs.Shutdown()
// Skipping the test if consul isn't present
if !cs.consulPresent() {
t.Skip("skipping because consul isn't present")
}
service1 := &structs.Service{Name: "foo", Tags: []string{"a", "b"}}
service2 := &structs.Service{Name: "foo"}
services := map[ServiceKey]*structs.Service{
GenerateServiceKey(service1): service1,
GenerateServiceKey(service2): service2,
}
// Call SetServices to update services in consul
if err := cs.SetServices(serviceGroupName, services); err != nil {
t.Fatalf("error setting services: %v", err)
}
// Manually call SyncServers to cause a synchronous consul update
if err := cs.SyncServices(); err != nil {
t.Fatalf("error syncing services: %v", err)
}
numservices := len(cs.flattenedServices())
if numservices != 2 {
t.Fatalf("expected 2 services but found %d", numservices)
}
numchecks := len(cs.flattenedChecks())
if numchecks != 0 {
t.Fatalf("expected 0 checks but found %d", numchecks)
}
// Assert services are in consul
agentServices, err := cs.client.Agent().Services()
if err != nil {
t.Fatalf("error querying consul services: %v", err)
}
found := 0
for id, as := range agentServices {
if id == "consul" {
found++
continue
}
if _, ok := services[ServiceKey(as.Service)]; ok {
found++
continue
}
t.Errorf("unexpected service in consul: %s", id)
}
if found != 3 {
t.Fatalf("expected 3 services in consul but found %d:\nconsul: %#v", len(agentServices), agentServices)
}
agentChecks, err := cs.queryChecks()
if err != nil {
t.Fatalf("error querying consul checks: %v", err)
}
if len(agentChecks) != numchecks {
t.Fatalf("expected %d checks in consul but found %d:\n%#v", numservices, len(agentChecks), agentChecks)
}
}
func TestConsulServiceUpdateService(t *testing.T) {
cs, err := NewSyncer(config.DefaultConsulConfig(), nil, logger)
if err != nil {
t.Fatalf("Err: %v", err)
}
defer cs.Shutdown()
// Skipping the test if consul isn't present
if !cs.consulPresent() {
t.Skip("skipping because consul isn't present")
}
cs.SetAddrFinder(func(h string) (string, int) {
a, pstr, _ := net.SplitHostPort(h)
p, _ := net.LookupPort("tcp", pstr)
return a, p
})
service1 := &structs.Service{Name: "foo1", Tags: []string{"a", "b"}}
service2 := &structs.Service{Name: "foo2"}
services := map[ServiceKey]*structs.Service{
GenerateServiceKey(service1): service1,
GenerateServiceKey(service2): service2,
}
if err := cs.SetServices(serviceGroupName, services); err != nil {
t.Fatalf("error setting services: %v", err)
}
if err := cs.SyncServices(); err != nil {
t.Fatalf("error syncing services: %v", err)
}
// Now update both services
service1 = &structs.Service{Name: "foo1", Tags: []string{"a", "z"}}
service2 = &structs.Service{Name: "foo2", PortLabel: ":8899"}
service3 := &structs.Service{Name: "foo3"}
services = map[ServiceKey]*structs.Service{
GenerateServiceKey(service1): service1,
GenerateServiceKey(service2): service2,
GenerateServiceKey(service3): service3,
}
if err := cs.SetServices(serviceGroupName, services); err != nil {
t.Fatalf("error setting services: %v", err)
}
if err := cs.SyncServices(); err != nil {
t.Fatalf("error syncing services: %v", err)
}
agentServices, err := cs.queryAgentServices()
if err != nil {
t.Fatalf("error querying consul services: %v", err)
}
if len(agentServices) != 3 {
t.Fatalf("expected 3 services in consul but found %d:\n%#v", len(agentServices), agentServices)
}
consulServices := make(map[string]*api.AgentService, 3)
for _, as := range agentServices {
consulServices[as.ID] = as
}
found := 0
for _, s := range cs.flattenedServices() {
// Assert sure changes were applied to internal state
switch s.Name {
case "foo1":
found++
if !reflect.DeepEqual(service1.Tags, s.Tags) {
t.Errorf("incorrect tags on foo1:\n expected: %v\n found: %v", service1.Tags, s.Tags)
}
case "foo2":
found++
if s.Address != "" {
t.Errorf("expected empty host on foo2 but found %q", s.Address)
}
if s.Port != 8899 {
t.Errorf("expected port 8899 on foo2 but found %d", s.Port)
}
case "foo3":
found++
default:
t.Errorf("unexpected service: %s", s.Name)
}
// Assert internal state equals consul's state
cs, ok := consulServices[s.ID]
if !ok {
t.Errorf("service not in consul: %s id: %s", s.Name, s.ID)
continue
}
if !reflect.DeepEqual(s.Tags, cs.Tags) {
t.Errorf("mismatched tags in syncer state and consul for %s:\nsyncer: %v\nconsul: %v", s.Name, s.Tags, cs.Tags)
}
if cs.Port != s.Port {
t.Errorf("mismatched port in syncer state and consul for %s\nsyncer: %v\nconsul: %v", s.Name, s.Port, cs.Port)
}
if cs.Address != s.Address {
t.Errorf("mismatched address in syncer state and consul for %s\nsyncer: %v\nconsul: %v", s.Name, s.Address, cs.Address)
}
}
if found != 3 {
t.Fatalf("expected 3 services locally but found %d", found)
}
}