consul/command/agent/agent_endpoint_test.go

1122 lines
26 KiB
Go

package agent
import (
"bytes"
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/http/httptest"
"os"
"reflect"
"strings"
"testing"
"time"
"github.com/hashicorp/consul/consul/structs"
"github.com/hashicorp/consul/logger"
"github.com/hashicorp/consul/testutil"
"github.com/hashicorp/consul/types"
"github.com/hashicorp/serf/serf"
)
func TestHTTPAgentServices(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
srv1 := &structs.NodeService{
ID: "mysql",
Service: "mysql",
Tags: []string{"master"},
Port: 5000,
}
srv.agent.state.AddService(srv1, "")
obj, err := srv.AgentServices(nil, nil)
if err != nil {
t.Fatalf("Err: %v", err)
}
val := obj.(map[string]*structs.NodeService)
if len(val) != 2 {
t.Fatalf("bad services: %v", obj)
}
if val["mysql"].Port != 5000 {
t.Fatalf("bad service: %v", obj)
}
}
func TestHTTPAgentChecks(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
chk1 := &structs.HealthCheck{
Node: srv.agent.config.NodeName,
CheckID: "mysql",
Name: "mysql",
Status: structs.HealthPassing,
}
srv.agent.state.AddCheck(chk1, "")
obj, err := srv.AgentChecks(nil, nil)
if err != nil {
t.Fatalf("Err: %v", err)
}
val := obj.(map[types.CheckID]*structs.HealthCheck)
if len(val) != 1 {
t.Fatalf("bad checks: %v", obj)
}
if val["mysql"].Status != structs.HealthPassing {
t.Fatalf("bad check: %v", obj)
}
}
func TestHTTPAgentSelf(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
req, err := http.NewRequest("GET", "/v1/agent/self", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
obj, err := srv.AgentSelf(nil, req)
if err != nil {
t.Fatalf("err: %v", err)
}
val := obj.(AgentSelf)
if int(val.Member.Port) != srv.agent.config.Ports.SerfLan {
t.Fatalf("incorrect port: %v", obj)
}
if int(val.Config.Ports.SerfLan) != srv.agent.config.Ports.SerfLan {
t.Fatalf("incorrect port: %v", obj)
}
c, err := srv.agent.server.GetLANCoordinate()
if err != nil {
t.Fatalf("err: %v", err)
}
if !reflect.DeepEqual(c, val.Coord) {
t.Fatalf("coordinates are not equal: %v != %v", c, val.Coord)
}
srv.agent.config.DisableCoordinates = true
obj, err = srv.AgentSelf(nil, req)
if err != nil {
t.Fatalf("err: %v", err)
}
val = obj.(AgentSelf)
if val.Coord != nil {
t.Fatalf("should have been nil: %v", val.Coord)
}
}
func TestHTTPAgentMembers(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
req, err := http.NewRequest("GET", "/v1/agent/members", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
obj, err := srv.AgentMembers(nil, req)
if err != nil {
t.Fatalf("Err: %v", err)
}
val := obj.([]serf.Member)
if len(val) == 0 {
t.Fatalf("bad members: %v", obj)
}
if int(val[0].Port) != srv.agent.config.Ports.SerfLan {
t.Fatalf("not lan: %v", obj)
}
}
func TestHTTPAgentMembers_WAN(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
req, err := http.NewRequest("GET", "/v1/agent/members?wan=true", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
obj, err := srv.AgentMembers(nil, req)
if err != nil {
t.Fatalf("Err: %v", err)
}
val := obj.([]serf.Member)
if len(val) == 0 {
t.Fatalf("bad members: %v", obj)
}
if int(val[0].Port) != srv.agent.config.Ports.SerfWan {
t.Fatalf("not wan: %v", obj)
}
}
func TestHTTPAgentJoin(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
dir2, a2 := makeAgent(t, nextConfig())
defer os.RemoveAll(dir2)
defer a2.Shutdown()
addr := fmt.Sprintf("127.0.0.1:%d", a2.config.Ports.SerfLan)
req, err := http.NewRequest("GET", fmt.Sprintf("/v1/agent/join/%s", addr), nil)
if err != nil {
t.Fatalf("err: %v", err)
}
obj, err := srv.AgentJoin(nil, req)
if err != nil {
t.Fatalf("Err: %v", err)
}
if obj != nil {
t.Fatalf("Err: %v", obj)
}
if len(srv.agent.LANMembers()) != 2 {
t.Fatalf("should have 2 members")
}
testutil.WaitForResult(func() (bool, error) {
return len(a2.LANMembers()) == 2, nil
}, func(err error) {
t.Fatalf("should have 2 members")
})
}
func TestHTTPAgentJoin_WAN(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
dir2, a2 := makeAgent(t, nextConfig())
defer os.RemoveAll(dir2)
defer a2.Shutdown()
addr := fmt.Sprintf("127.0.0.1:%d", a2.config.Ports.SerfWan)
req, err := http.NewRequest("GET", fmt.Sprintf("/v1/agent/join/%s?wan=true", addr), nil)
if err != nil {
t.Fatalf("err: %v", err)
}
obj, err := srv.AgentJoin(nil, req)
if err != nil {
t.Fatalf("Err: %v", err)
}
if obj != nil {
t.Fatalf("Err: %v", obj)
}
if len(srv.agent.WANMembers()) != 2 {
t.Fatalf("should have 2 members")
}
testutil.WaitForResult(func() (bool, error) {
return len(a2.WANMembers()) == 2, nil
}, func(err error) {
t.Fatalf("should have 2 members")
})
}
func TestHTTPAgentForceLeave(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
dir2, a2 := makeAgent(t, nextConfig())
defer os.RemoveAll(dir2)
defer a2.Shutdown()
// Join first
addr := fmt.Sprintf("127.0.0.1:%d", a2.config.Ports.SerfLan)
_, err := srv.agent.JoinLAN([]string{addr})
if err != nil {
t.Fatalf("err: %v", err)
}
a2.Shutdown()
// Force leave now
req, err := http.NewRequest("GET", fmt.Sprintf("/v1/agent/force-leave/%s", a2.config.NodeName), nil)
if err != nil {
t.Fatalf("err: %v", err)
}
obj, err := srv.AgentForceLeave(nil, req)
if err != nil {
t.Fatalf("Err: %v", err)
}
if obj != nil {
t.Fatalf("Err: %v", obj)
}
testutil.WaitForResult(func() (bool, error) {
m := srv.agent.LANMembers()
success := m[1].Status == serf.StatusLeft
return success, errors.New(m[1].Status.String())
}, func(err error) {
t.Fatalf("member status is %v, should be left", err)
})
}
func TestHTTPAgentRegisterCheck(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
// Register node
req, err := http.NewRequest("GET", "/v1/agent/check/register?token=abc123", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
args := &CheckDefinition{
Name: "test",
CheckType: CheckType{
TTL: 15 * time.Second,
},
}
req.Body = encodeReq(args)
obj, err := srv.AgentRegisterCheck(nil, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if obj != nil {
t.Fatalf("bad: %v", obj)
}
// Ensure we have a check mapping
checkID := types.CheckID("test")
if _, ok := srv.agent.state.Checks()[checkID]; !ok {
t.Fatalf("missing test check")
}
if _, ok := srv.agent.checkTTLs[checkID]; !ok {
t.Fatalf("missing test check ttl")
}
// Ensure the token was configured
if token := srv.agent.state.CheckToken(checkID); token == "" {
t.Fatalf("missing token")
}
// By default, checks start in critical state.
state := srv.agent.state.Checks()[checkID]
if state.Status != structs.HealthCritical {
t.Fatalf("bad: %v", state)
}
}
func TestHTTPAgentRegisterCheckPassing(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
// Register node
req, err := http.NewRequest("GET", "/v1/agent/check/register", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
args := &CheckDefinition{
Name: "test",
CheckType: CheckType{
TTL: 15 * time.Second,
},
Status: structs.HealthPassing,
}
req.Body = encodeReq(args)
obj, err := srv.AgentRegisterCheck(nil, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if obj != nil {
t.Fatalf("bad: %v", obj)
}
// Ensure we have a check mapping
checkID := types.CheckID("test")
if _, ok := srv.agent.state.Checks()[checkID]; !ok {
t.Fatalf("missing test check")
}
if _, ok := srv.agent.checkTTLs[checkID]; !ok {
t.Fatalf("missing test check ttl")
}
state := srv.agent.state.Checks()[checkID]
if state.Status != structs.HealthPassing {
t.Fatalf("bad: %v", state)
}
}
func TestHTTPAgentRegisterCheckBadStatus(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
// Register node
req, err := http.NewRequest("GET", "/v1/agent/check/register", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
args := &CheckDefinition{
Name: "test",
CheckType: CheckType{
TTL: 15 * time.Second,
},
Status: "fluffy",
}
req.Body = encodeReq(args)
resp := httptest.NewRecorder()
if _, err := srv.AgentRegisterCheck(resp, req); err != nil {
t.Fatalf("err: %v", err)
}
if resp.Code != 400 {
t.Fatalf("accepted bad status")
}
}
func TestHTTPAgentDeregisterCheck(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
chk := &structs.HealthCheck{Name: "test", CheckID: "test"}
if err := srv.agent.AddCheck(chk, nil, false, ""); err != nil {
t.Fatalf("err: %v", err)
}
// Register node
req, err := http.NewRequest("GET", "/v1/agent/check/deregister/test", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
obj, err := srv.AgentDeregisterCheck(nil, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if obj != nil {
t.Fatalf("bad: %v", obj)
}
// Ensure we have a check mapping
if _, ok := srv.agent.state.Checks()["test"]; ok {
t.Fatalf("have test check")
}
}
func TestHTTPAgentPassCheck(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
chk := &structs.HealthCheck{Name: "test", CheckID: "test"}
chkType := &CheckType{TTL: 15 * time.Second}
if err := srv.agent.AddCheck(chk, chkType, false, ""); err != nil {
t.Fatalf("err: %v", err)
}
req, err := http.NewRequest("GET", "/v1/agent/check/pass/test", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
obj, err := srv.AgentCheckPass(nil, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if obj != nil {
t.Fatalf("bad: %v", obj)
}
// Ensure we have a check mapping
state := srv.agent.state.Checks()["test"]
if state.Status != structs.HealthPassing {
t.Fatalf("bad: %v", state)
}
}
func TestHTTPAgentWarnCheck(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
chk := &structs.HealthCheck{Name: "test", CheckID: "test"}
chkType := &CheckType{TTL: 15 * time.Second}
if err := srv.agent.AddCheck(chk, chkType, false, ""); err != nil {
t.Fatalf("err: %v", err)
}
req, err := http.NewRequest("GET", "/v1/agent/check/warn/test", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
obj, err := srv.AgentCheckWarn(nil, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if obj != nil {
t.Fatalf("bad: %v", obj)
}
// Ensure we have a check mapping
state := srv.agent.state.Checks()["test"]
if state.Status != structs.HealthWarning {
t.Fatalf("bad: %v", state)
}
}
func TestHTTPAgentFailCheck(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
chk := &structs.HealthCheck{Name: "test", CheckID: "test"}
chkType := &CheckType{TTL: 15 * time.Second}
if err := srv.agent.AddCheck(chk, chkType, false, ""); err != nil {
t.Fatalf("err: %v", err)
}
req, err := http.NewRequest("GET", "/v1/agent/check/fail/test", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
obj, err := srv.AgentCheckFail(nil, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if obj != nil {
t.Fatalf("bad: %v", obj)
}
// Ensure we have a check mapping
state := srv.agent.state.Checks()["test"]
if state.Status != structs.HealthCritical {
t.Fatalf("bad: %v", state)
}
}
func TestHTTPAgentUpdateCheck(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
chk := &structs.HealthCheck{Name: "test", CheckID: "test"}
chkType := &CheckType{TTL: 15 * time.Second}
if err := srv.agent.AddCheck(chk, chkType, false, ""); err != nil {
t.Fatalf("err: %v", err)
}
cases := []checkUpdate{
checkUpdate{structs.HealthPassing, "hello-passing"},
checkUpdate{structs.HealthCritical, "hello-critical"},
checkUpdate{structs.HealthWarning, "hello-warning"},
}
for _, c := range cases {
req, err := http.NewRequest("PUT", "/v1/agent/check/update/test", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
req.Body = encodeReq(c)
resp := httptest.NewRecorder()
obj, err := srv.AgentCheckUpdate(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if obj != nil {
t.Fatalf("bad: %v", obj)
}
if resp.Code != 200 {
t.Fatalf("expected 200, got %d", resp.Code)
}
state := srv.agent.state.Checks()["test"]
if state.Status != c.Status || state.Output != c.Output {
t.Fatalf("bad: %v", state)
}
}
// Make sure abusive levels of output are capped.
{
req, err := http.NewRequest("PUT", "/v1/agent/check/update/test", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
update := checkUpdate{
Status: structs.HealthPassing,
Output: strings.Repeat("-= bad -=", 5*CheckBufSize),
}
req.Body = encodeReq(update)
resp := httptest.NewRecorder()
obj, err := srv.AgentCheckUpdate(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if obj != nil {
t.Fatalf("bad: %v", obj)
}
if resp.Code != 200 {
t.Fatalf("expected 200, got %d", resp.Code)
}
// Since we append some notes about truncating, we just do a
// rough check that the output buffer was cut down so this test
// isn't super brittle.
state := srv.agent.state.Checks()["test"]
if state.Status != structs.HealthPassing || len(state.Output) > 2*CheckBufSize {
t.Fatalf("bad: %v", state)
}
}
// Check a bogus status.
{
req, err := http.NewRequest("PUT", "/v1/agent/check/update/test", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
update := checkUpdate{
Status: "itscomplicated",
}
req.Body = encodeReq(update)
resp := httptest.NewRecorder()
obj, err := srv.AgentCheckUpdate(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if obj != nil {
t.Fatalf("bad: %v", obj)
}
if resp.Code != 400 {
t.Fatalf("expected 400, got %d", resp.Code)
}
}
// Check a bogus verb.
{
req, err := http.NewRequest("POST", "/v1/agent/check/update/test", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
update := checkUpdate{
Status: structs.HealthPassing,
}
req.Body = encodeReq(update)
resp := httptest.NewRecorder()
obj, err := srv.AgentCheckUpdate(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if obj != nil {
t.Fatalf("bad: %v", obj)
}
if resp.Code != 405 {
t.Fatalf("expected 405, got %d", resp.Code)
}
}
}
func TestHTTPAgentRegisterService(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
// Register node
req, err := http.NewRequest("GET", "/v1/agent/service/register?token=abc123", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
args := &ServiceDefinition{
Name: "test",
Tags: []string{"master"},
Port: 8000,
Check: CheckType{
TTL: 15 * time.Second,
},
Checks: CheckTypes{
&CheckType{
TTL: 20 * time.Second,
},
&CheckType{
TTL: 30 * time.Second,
},
},
}
req.Body = encodeReq(args)
obj, err := srv.AgentRegisterService(nil, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if obj != nil {
t.Fatalf("bad: %v", obj)
}
// Ensure the servie
if _, ok := srv.agent.state.Services()["test"]; !ok {
t.Fatalf("missing test service")
}
// Ensure we have a check mapping
checks := srv.agent.state.Checks()
if len(checks) != 3 {
t.Fatalf("bad: %v", checks)
}
if len(srv.agent.checkTTLs) != 3 {
t.Fatalf("missing test check ttls: %v", srv.agent.checkTTLs)
}
// Ensure the token was configured
if token := srv.agent.state.ServiceToken("test"); token == "" {
t.Fatalf("missing token")
}
}
func TestHTTPAgentDeregisterService(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
service := &structs.NodeService{
ID: "test",
Service: "test",
}
if err := srv.agent.AddService(service, nil, false, ""); err != nil {
t.Fatalf("err: %v", err)
}
// Register node
req, err := http.NewRequest("GET", "/v1/agent/service/deregister/test", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
obj, err := srv.AgentDeregisterService(nil, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if obj != nil {
t.Fatalf("bad: %v", obj)
}
// Ensure we have a check mapping
if _, ok := srv.agent.state.Services()["test"]; ok {
t.Fatalf("have test service")
}
if _, ok := srv.agent.state.Checks()["test"]; ok {
t.Fatalf("have test check")
}
}
func TestHTTPAgent_ServiceMaintenanceEndpoint_BadRequest(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
// Fails on non-PUT
req, _ := http.NewRequest("GET", "/v1/agent/service/maintenance/test?enable=true", nil)
resp := httptest.NewRecorder()
if _, err := srv.AgentServiceMaintenance(resp, req); err != nil {
t.Fatalf("err: %s", err)
}
if resp.Code != 405 {
t.Fatalf("expected 405, got %d", resp.Code)
}
// Fails when no enable flag provided
req, _ = http.NewRequest("PUT", "/v1/agent/service/maintenance/test", nil)
resp = httptest.NewRecorder()
if _, err := srv.AgentServiceMaintenance(resp, req); err != nil {
t.Fatalf("err: %s", err)
}
if resp.Code != 400 {
t.Fatalf("expected 400, got %d", resp.Code)
}
// Fails when no service ID provided
req, _ = http.NewRequest("PUT", "/v1/agent/service/maintenance/?enable=true", nil)
resp = httptest.NewRecorder()
if _, err := srv.AgentServiceMaintenance(resp, req); err != nil {
t.Fatalf("err: %s", err)
}
if resp.Code != 400 {
t.Fatalf("expected 400, got %d", resp.Code)
}
// Fails when bad service ID provided
req, _ = http.NewRequest("PUT", "/v1/agent/service/maintenance/_nope_?enable=true", nil)
resp = httptest.NewRecorder()
if _, err := srv.AgentServiceMaintenance(resp, req); err != nil {
t.Fatalf("err: %s", err)
}
if resp.Code != 404 {
t.Fatalf("expected 404, got %d", resp.Code)
}
}
func TestHTTPAgent_EnableServiceMaintenance(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
// Register the service
service := &structs.NodeService{
ID: "test",
Service: "test",
}
if err := srv.agent.AddService(service, nil, false, ""); err != nil {
t.Fatalf("err: %v", err)
}
// Force the service into maintenance mode
req, _ := http.NewRequest("PUT", "/v1/agent/service/maintenance/test?enable=true&reason=broken&token=mytoken", nil)
resp := httptest.NewRecorder()
if _, err := srv.AgentServiceMaintenance(resp, req); err != nil {
t.Fatalf("err: %s", err)
}
if resp.Code != 200 {
t.Fatalf("expected 200, got %d", resp.Code)
}
// Ensure the maintenance check was registered
checkID := serviceMaintCheckID("test")
check, ok := srv.agent.state.Checks()[checkID]
if !ok {
t.Fatalf("should have registered maintenance check")
}
// Ensure the token was added
if token := srv.agent.state.CheckToken(checkID); token != "mytoken" {
t.Fatalf("expected 'mytoken', got '%s'", token)
}
// Ensure the reason was set in notes
if check.Notes != "broken" {
t.Fatalf("bad: %#v", check)
}
}
func TestHTTPAgent_DisableServiceMaintenance(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
// Register the service
service := &structs.NodeService{
ID: "test",
Service: "test",
}
if err := srv.agent.AddService(service, nil, false, ""); err != nil {
t.Fatalf("err: %v", err)
}
// Force the service into maintenance mode
if err := srv.agent.EnableServiceMaintenance("test", "", ""); err != nil {
t.Fatalf("err: %s", err)
}
// Leave maintenance mode
req, _ := http.NewRequest("PUT", "/v1/agent/service/maintenance/test?enable=false", nil)
resp := httptest.NewRecorder()
if _, err := srv.AgentServiceMaintenance(resp, req); err != nil {
t.Fatalf("err: %s", err)
}
if resp.Code != 200 {
t.Fatalf("expected 200, got %d", resp.Code)
}
// Ensure the maintenance check was removed
checkID := serviceMaintCheckID("test")
if _, ok := srv.agent.state.Checks()[checkID]; ok {
t.Fatalf("should have removed maintenance check")
}
}
func TestHTTPAgent_NodeMaintenanceEndpoint_BadRequest(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
// Fails on non-PUT
req, _ := http.NewRequest("GET", "/v1/agent/self/maintenance?enable=true", nil)
resp := httptest.NewRecorder()
if _, err := srv.AgentNodeMaintenance(resp, req); err != nil {
t.Fatalf("err: %s", err)
}
if resp.Code != 405 {
t.Fatalf("expected 405, got %d", resp.Code)
}
// Fails when no enable flag provided
req, _ = http.NewRequest("PUT", "/v1/agent/self/maintenance", nil)
resp = httptest.NewRecorder()
if _, err := srv.AgentNodeMaintenance(resp, req); err != nil {
t.Fatalf("err: %s", err)
}
if resp.Code != 400 {
t.Fatalf("expected 400, got %d", resp.Code)
}
}
func TestHTTPAgent_EnableNodeMaintenance(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
// Force the node into maintenance mode
req, _ := http.NewRequest(
"PUT", "/v1/agent/self/maintenance?enable=true&reason=broken&token=mytoken", nil)
resp := httptest.NewRecorder()
if _, err := srv.AgentNodeMaintenance(resp, req); err != nil {
t.Fatalf("err: %s", err)
}
if resp.Code != 200 {
t.Fatalf("expected 200, got %d", resp.Code)
}
// Ensure the maintenance check was registered
check, ok := srv.agent.state.Checks()[structs.NodeMaint]
if !ok {
t.Fatalf("should have registered maintenance check")
}
// Check that the token was used
if token := srv.agent.state.CheckToken(structs.NodeMaint); token != "mytoken" {
t.Fatalf("expected 'mytoken', got '%s'", token)
}
// Ensure the reason was set in notes
if check.Notes != "broken" {
t.Fatalf("bad: %#v", check)
}
}
func TestHTTPAgent_DisableNodeMaintenance(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
// Force the node into maintenance mode
srv.agent.EnableNodeMaintenance("", "")
// Leave maintenance mode
req, _ := http.NewRequest("PUT", "/v1/agent/self/maintenance?enable=false", nil)
resp := httptest.NewRecorder()
if _, err := srv.AgentNodeMaintenance(resp, req); err != nil {
t.Fatalf("err: %s", err)
}
if resp.Code != 200 {
t.Fatalf("expected 200, got %d", resp.Code)
}
// Ensure the maintenance check was removed
if _, ok := srv.agent.state.Checks()[structs.NodeMaint]; ok {
t.Fatalf("should have removed maintenance check")
}
}
func TestHTTPAgentRegisterServiceCheck(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
// First register the service
req, err := http.NewRequest("GET", "/v1/agent/service/register", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
args := &ServiceDefinition{
Name: "memcache",
Port: 8000,
Check: CheckType{
TTL: 15 * time.Second,
},
}
req.Body = encodeReq(args)
if _, err := srv.AgentRegisterService(nil, req); err != nil {
t.Fatalf("err: %v", err)
}
// Now register an additional check
req, err = http.NewRequest("GET", "/v1/agent/check/register", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
checkArgs := &CheckDefinition{
Name: "memcache_check2",
ServiceID: "memcache",
CheckType: CheckType{
TTL: 15 * time.Second,
},
}
req.Body = encodeReq(checkArgs)
if _, err := srv.AgentRegisterCheck(nil, req); err != nil {
t.Fatalf("err: %v", err)
}
// Ensure we have a check mapping
result := srv.agent.state.Checks()
if _, ok := result["service:memcache"]; !ok {
t.Fatalf("missing memcached check")
}
if _, ok := result["memcache_check2"]; !ok {
t.Fatalf("missing memcache_check2 check")
}
// Make sure the new check is associated with the service
if result["memcache_check2"].ServiceID != "memcache" {
t.Fatalf("bad: %#v", result["memcached_check2"])
}
}
func TestHTTPAgent_Monitor(t *testing.T) {
logWriter := logger.NewLogWriter(512)
expectedLogs := bytes.Buffer{}
logger := io.MultiWriter(os.Stdout, &expectedLogs, logWriter)
dir, srv := makeHTTPServerWithConfigLog(t, nil, logger, logWriter)
srv.agent.logWriter = logWriter
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
// Try passing an invalid log level
req, _ := http.NewRequest("GET", "/v1/agent/monitor?loglevel=invalid", nil)
resp := newClosableRecorder()
if _, err := srv.AgentMonitor(resp, req); err != nil {
t.Fatalf("err: %v", err)
}
if resp.Code != 400 {
t.Fatalf("bad: %v", resp.Code)
}
body, _ := ioutil.ReadAll(resp.Body)
if !strings.Contains(string(body), "Unknown log level") {
t.Fatalf("bad: %s", body)
}
// Begin streaming logs from the monitor endpoint
req, _ = http.NewRequest("GET", "/v1/agent/monitor?loglevel=debug", nil)
resp = newClosableRecorder()
go func() {
if _, err := srv.AgentMonitor(resp, req); err != nil {
t.Fatalf("err: %s", err)
}
}()
// Write the incoming logs from http to a channel for comparison
logCh := make(chan string, 5)
// Block until the first log entry from http
testutil.WaitForResult(func() (bool, error) {
line, err := resp.Body.ReadString('\n')
if err != nil && err != io.EOF {
return false, fmt.Errorf("err: %v", err)
}
if line == "" {
return false, fmt.Errorf("blank line")
}
logCh <- line
return true, nil
}, func(err error) {
t.Fatal(err)
})
go func() {
for {
line, err := resp.Body.ReadString('\n')
if err != nil && err != io.EOF {
t.Fatalf("err: %v", err)
}
if line != "" {
logCh <- line
}
}
}()
// Verify that the first 5 logs we get match the expected stream
for i := 0; i < 5; i++ {
select {
case log := <-logCh:
expected, err := expectedLogs.ReadString('\n')
if err != nil {
t.Fatalf("err: %v", err)
}
if log != expected {
t.Fatalf("bad: %q %q", expected, log)
}
case <-time.After(10 * time.Second):
t.Fatalf("failed to get log within timeout")
}
}
}
type closableRecorder struct {
*httptest.ResponseRecorder
closer chan bool
}
func newClosableRecorder() *closableRecorder {
r := httptest.NewRecorder()
closer := make(chan bool)
return &closableRecorder{r, closer}
}
func (r *closableRecorder) CloseNotify() <-chan bool {
return r.closer
}