mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-30 07:59:40 -08:00
475 lines
13 KiB
Go
475 lines
13 KiB
Go
// Copyright 2015 The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package marathon
|
|
|
|
import (
|
|
"errors"
|
|
"net/http"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/prometheus/common/model"
|
|
"golang.org/x/net/context"
|
|
|
|
"github.com/prometheus/prometheus/config"
|
|
)
|
|
|
|
var (
|
|
marathonValidLabel = map[string]string{"prometheus": "yes"}
|
|
testServers = []string{"http://localhost:8080"}
|
|
conf = config.MarathonSDConfig{Servers: testServers}
|
|
)
|
|
|
|
func testUpdateServices(client AppListClient, ch chan []*config.TargetGroup) error {
|
|
md, err := NewDiscovery(&conf, nil)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
md.appsClient = client
|
|
return md.updateServices(context.Background(), ch)
|
|
}
|
|
|
|
func TestMarathonSDHandleError(t *testing.T) {
|
|
var (
|
|
errTesting = errors.New("testing failure")
|
|
ch = make(chan []*config.TargetGroup, 1)
|
|
client = func(client *http.Client, url, token string) (*AppList, error) { return nil, errTesting }
|
|
)
|
|
if err := testUpdateServices(client, ch); err != errTesting {
|
|
t.Fatalf("Expected error: %s", err)
|
|
}
|
|
select {
|
|
case tg := <-ch:
|
|
t.Fatalf("Got group: %s", tg)
|
|
default:
|
|
}
|
|
}
|
|
|
|
func TestMarathonSDEmptyList(t *testing.T) {
|
|
var (
|
|
ch = make(chan []*config.TargetGroup, 1)
|
|
client = func(client *http.Client, url, token string) (*AppList, error) { return &AppList{}, nil }
|
|
)
|
|
if err := testUpdateServices(client, ch); err != nil {
|
|
t.Fatalf("Got error: %s", err)
|
|
}
|
|
select {
|
|
case tg := <-ch:
|
|
if len(tg) > 0 {
|
|
t.Fatalf("Got group: %v", tg)
|
|
}
|
|
default:
|
|
}
|
|
}
|
|
|
|
func marathonTestAppList(labels map[string]string, runningTasks int) *AppList {
|
|
var (
|
|
task = Task{
|
|
ID: "test-task-1",
|
|
Host: "mesos-slave1",
|
|
Ports: []uint32{31000},
|
|
}
|
|
docker = DockerContainer{
|
|
Image: "repo/image:tag",
|
|
PortMappings: []PortMappings{
|
|
{Labels: labels},
|
|
},
|
|
}
|
|
container = Container{Docker: docker}
|
|
app = App{
|
|
ID: "test-service",
|
|
Tasks: []Task{task},
|
|
RunningTasks: runningTasks,
|
|
Labels: labels,
|
|
Container: container,
|
|
PortDefinitions: []PortDefinitions{
|
|
{Labels: make(map[string]string)},
|
|
},
|
|
}
|
|
)
|
|
return &AppList{
|
|
Apps: []App{app},
|
|
}
|
|
}
|
|
|
|
func TestMarathonSDSendGroup(t *testing.T) {
|
|
var (
|
|
ch = make(chan []*config.TargetGroup, 1)
|
|
client = func(client *http.Client, url, token string) (*AppList, error) {
|
|
return marathonTestAppList(marathonValidLabel, 1), nil
|
|
}
|
|
)
|
|
if err := testUpdateServices(client, ch); err != nil {
|
|
t.Fatalf("Got error: %s", err)
|
|
}
|
|
select {
|
|
case tgs := <-ch:
|
|
tg := tgs[0]
|
|
|
|
if tg.Source != "test-service" {
|
|
t.Fatalf("Wrong target group name: %s", tg.Source)
|
|
}
|
|
if len(tg.Targets) != 1 {
|
|
t.Fatalf("Wrong number of targets: %v", tg.Targets)
|
|
}
|
|
tgt := tg.Targets[0]
|
|
if tgt[model.AddressLabel] != "mesos-slave1:31000" {
|
|
t.Fatalf("Wrong target address: %s", tgt[model.AddressLabel])
|
|
}
|
|
if tgt[model.LabelName(portMappingLabelPrefix+"prometheus")] != "yes" {
|
|
t.Fatalf("Wrong first portMappings label from the first port: %s", tgt[model.AddressLabel])
|
|
}
|
|
if tgt[model.LabelName(portDefinitionLabelPrefix+"prometheus")] != "" {
|
|
t.Fatalf("Wrong first portDefinitions label from the first port: %s", tgt[model.AddressLabel])
|
|
}
|
|
default:
|
|
t.Fatal("Did not get a target group.")
|
|
}
|
|
}
|
|
|
|
func TestMarathonSDRemoveApp(t *testing.T) {
|
|
var ch = make(chan []*config.TargetGroup, 1)
|
|
md, err := NewDiscovery(&conf, nil)
|
|
if err != nil {
|
|
t.Fatalf("%s", err)
|
|
}
|
|
|
|
md.appsClient = func(client *http.Client, url, token string) (*AppList, error) {
|
|
return marathonTestAppList(marathonValidLabel, 1), nil
|
|
}
|
|
if err := md.updateServices(context.Background(), ch); err != nil {
|
|
t.Fatalf("Got error on first update: %s", err)
|
|
}
|
|
up1 := (<-ch)[0]
|
|
|
|
md.appsClient = func(client *http.Client, url, token string) (*AppList, error) {
|
|
return marathonTestAppList(marathonValidLabel, 0), nil
|
|
}
|
|
if err := md.updateServices(context.Background(), ch); err != nil {
|
|
t.Fatalf("Got error on second update: %s", err)
|
|
}
|
|
up2 := (<-ch)[0]
|
|
|
|
if up2.Source != up1.Source {
|
|
t.Fatalf("Source is different: %s", up2)
|
|
if len(up2.Targets) > 0 {
|
|
t.Fatalf("Got a non-empty target set: %s", up2.Targets)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestMarathonSDRunAndStop(t *testing.T) {
|
|
var (
|
|
refreshInterval = model.Duration(time.Millisecond * 10)
|
|
conf = config.MarathonSDConfig{Servers: testServers, RefreshInterval: refreshInterval}
|
|
ch = make(chan []*config.TargetGroup)
|
|
doneCh = make(chan error)
|
|
)
|
|
md, err := NewDiscovery(&conf, nil)
|
|
if err != nil {
|
|
t.Fatalf("%s", err)
|
|
}
|
|
md.appsClient = func(client *http.Client, url, token string) (*AppList, error) {
|
|
return marathonTestAppList(marathonValidLabel, 1), nil
|
|
}
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
|
|
go func() {
|
|
md.Run(ctx, ch)
|
|
close(doneCh)
|
|
}()
|
|
|
|
timeout := time.After(md.refreshInterval * 3)
|
|
for {
|
|
select {
|
|
case <-ch:
|
|
cancel()
|
|
case <-doneCh:
|
|
return
|
|
case <-timeout:
|
|
t.Fatalf("Update took too long.")
|
|
}
|
|
}
|
|
}
|
|
|
|
func marathonTestAppListWithMutiplePorts(labels map[string]string, runningTasks int) *AppList {
|
|
var (
|
|
task = Task{
|
|
ID: "test-task-1",
|
|
Host: "mesos-slave1",
|
|
Ports: []uint32{31000, 32000},
|
|
}
|
|
docker = DockerContainer{
|
|
Image: "repo/image:tag",
|
|
PortMappings: []PortMappings{
|
|
{Labels: labels},
|
|
{Labels: make(map[string]string)},
|
|
},
|
|
}
|
|
container = Container{Docker: docker}
|
|
app = App{
|
|
ID: "test-service",
|
|
Tasks: []Task{task},
|
|
RunningTasks: runningTasks,
|
|
Labels: labels,
|
|
Container: container,
|
|
PortDefinitions: []PortDefinitions{
|
|
{Labels: make(map[string]string)},
|
|
{Labels: labels},
|
|
},
|
|
}
|
|
)
|
|
return &AppList{
|
|
Apps: []App{app},
|
|
}
|
|
}
|
|
|
|
func TestMarathonSDSendGroupWithMutiplePort(t *testing.T) {
|
|
var (
|
|
ch = make(chan []*config.TargetGroup, 1)
|
|
client = func(client *http.Client, url, token string) (*AppList, error) {
|
|
return marathonTestAppListWithMutiplePorts(marathonValidLabel, 1), nil
|
|
}
|
|
)
|
|
if err := testUpdateServices(client, ch); err != nil {
|
|
t.Fatalf("Got error: %s", err)
|
|
}
|
|
select {
|
|
case tgs := <-ch:
|
|
tg := tgs[0]
|
|
|
|
if tg.Source != "test-service" {
|
|
t.Fatalf("Wrong target group name: %s", tg.Source)
|
|
}
|
|
if len(tg.Targets) != 2 {
|
|
t.Fatalf("Wrong number of targets: %v", tg.Targets)
|
|
}
|
|
tgt := tg.Targets[0]
|
|
if tgt[model.AddressLabel] != "mesos-slave1:31000" {
|
|
t.Fatalf("Wrong target address: %s", tgt[model.AddressLabel])
|
|
}
|
|
if tgt[model.LabelName(portMappingLabelPrefix+"prometheus")] != "yes" {
|
|
t.Fatalf("Wrong first portMappings label from the first port: %s", tgt[model.AddressLabel])
|
|
}
|
|
if tgt[model.LabelName(portDefinitionLabelPrefix+"prometheus")] != "" {
|
|
t.Fatalf("Wrong first portDefinitions label from the first port: %s", tgt[model.AddressLabel])
|
|
}
|
|
tgt = tg.Targets[1]
|
|
if tgt[model.AddressLabel] != "mesos-slave1:32000" {
|
|
t.Fatalf("Wrong target address: %s", tgt[model.AddressLabel])
|
|
}
|
|
if tgt[model.LabelName(portMappingLabelPrefix+"prometheus")] != "" {
|
|
t.Fatalf("Wrong portMappings label from the second port: %s", tgt[model.AddressLabel])
|
|
}
|
|
if tgt[model.LabelName(portDefinitionLabelPrefix+"prometheus")] != "yes" {
|
|
t.Fatalf("Wrong portDefinitions label from the second port: %s", tgt[model.AddressLabel])
|
|
}
|
|
default:
|
|
t.Fatal("Did not get a target group.")
|
|
}
|
|
}
|
|
|
|
func marathonTestZeroTaskPortAppList(labels map[string]string, runningTasks int) *AppList {
|
|
var (
|
|
task = Task{
|
|
ID: "test-task-2",
|
|
Host: "mesos-slave-2",
|
|
Ports: []uint32{},
|
|
}
|
|
docker = DockerContainer{Image: "repo/image:tag"}
|
|
container = Container{Docker: docker}
|
|
app = App{
|
|
ID: "test-service-zero-ports",
|
|
Tasks: []Task{task},
|
|
RunningTasks: runningTasks,
|
|
Labels: labels,
|
|
Container: container,
|
|
}
|
|
)
|
|
return &AppList{
|
|
Apps: []App{app},
|
|
}
|
|
}
|
|
|
|
func TestMarathonZeroTaskPorts(t *testing.T) {
|
|
var (
|
|
ch = make(chan []*config.TargetGroup, 1)
|
|
client = func(client *http.Client, url, token string) (*AppList, error) {
|
|
return marathonTestZeroTaskPortAppList(marathonValidLabel, 1), nil
|
|
}
|
|
)
|
|
if err := testUpdateServices(client, ch); err != nil {
|
|
t.Fatalf("Got error: %s", err)
|
|
}
|
|
select {
|
|
case tgs := <-ch:
|
|
tg := tgs[0]
|
|
|
|
if tg.Source != "test-service-zero-ports" {
|
|
t.Fatalf("Wrong target group name: %s", tg.Source)
|
|
}
|
|
if len(tg.Targets) != 0 {
|
|
t.Fatalf("Wrong number of targets: %v", tg.Targets)
|
|
}
|
|
default:
|
|
t.Fatal("Did not get a target group.")
|
|
}
|
|
}
|
|
|
|
func marathonTestAppListWithoutPortMappings(labels map[string]string, runningTasks int) *AppList {
|
|
var (
|
|
task = Task{
|
|
ID: "test-task-1",
|
|
Host: "mesos-slave1",
|
|
Ports: []uint32{31000, 32000},
|
|
}
|
|
docker = DockerContainer{
|
|
Image: "repo/image:tag",
|
|
}
|
|
container = Container{Docker: docker}
|
|
app = App{
|
|
ID: "test-service",
|
|
Tasks: []Task{task},
|
|
RunningTasks: runningTasks,
|
|
Labels: labels,
|
|
Container: container,
|
|
PortDefinitions: []PortDefinitions{
|
|
{Labels: make(map[string]string)},
|
|
{Labels: labels},
|
|
},
|
|
}
|
|
)
|
|
return &AppList{
|
|
Apps: []App{app},
|
|
}
|
|
}
|
|
|
|
func TestMarathonSDSendGroupWithoutPortMappings(t *testing.T) {
|
|
var (
|
|
ch = make(chan []*config.TargetGroup, 1)
|
|
client = func(client *http.Client, url, token string) (*AppList, error) {
|
|
return marathonTestAppListWithoutPortMappings(marathonValidLabel, 1), nil
|
|
}
|
|
)
|
|
if err := testUpdateServices(client, ch); err != nil {
|
|
t.Fatalf("Got error: %s", err)
|
|
}
|
|
select {
|
|
case tgs := <-ch:
|
|
tg := tgs[0]
|
|
|
|
if tg.Source != "test-service" {
|
|
t.Fatalf("Wrong target group name: %s", tg.Source)
|
|
}
|
|
if len(tg.Targets) != 2 {
|
|
t.Fatalf("Wrong number of targets: %v", tg.Targets)
|
|
}
|
|
tgt := tg.Targets[0]
|
|
if tgt[model.AddressLabel] != "mesos-slave1:31000" {
|
|
t.Fatalf("Wrong target address: %s", tgt[model.AddressLabel])
|
|
}
|
|
if tgt[model.LabelName(portMappingLabelPrefix+"prometheus")] != "" {
|
|
t.Fatalf("Wrong first portMappings label from the first port: %s", tgt[model.AddressLabel])
|
|
}
|
|
if tgt[model.LabelName(portDefinitionLabelPrefix+"prometheus")] != "" {
|
|
t.Fatalf("Wrong first portDefinitions label from the first port: %s", tgt[model.AddressLabel])
|
|
}
|
|
tgt = tg.Targets[1]
|
|
if tgt[model.AddressLabel] != "mesos-slave1:32000" {
|
|
t.Fatalf("Wrong target address: %s", tgt[model.AddressLabel])
|
|
}
|
|
if tgt[model.LabelName(portMappingLabelPrefix+"prometheus")] != "" {
|
|
t.Fatalf("Wrong portMappings label from the second port: %s", tgt[model.AddressLabel])
|
|
}
|
|
if tgt[model.LabelName(portDefinitionLabelPrefix+"prometheus")] != "yes" {
|
|
t.Fatalf("Wrong portDefinitions label from the second port: %s", tgt[model.AddressLabel])
|
|
}
|
|
default:
|
|
t.Fatal("Did not get a target group.")
|
|
}
|
|
}
|
|
|
|
func marathonTestAppListWithoutPortDefinitions(labels map[string]string, runningTasks int) *AppList {
|
|
var (
|
|
task = Task{
|
|
ID: "test-task-1",
|
|
Host: "mesos-slave1",
|
|
Ports: []uint32{31000, 32000},
|
|
}
|
|
docker = DockerContainer{
|
|
Image: "repo/image:tag",
|
|
PortMappings: []PortMappings{
|
|
{Labels: labels},
|
|
{Labels: make(map[string]string)},
|
|
},
|
|
}
|
|
container = Container{Docker: docker}
|
|
app = App{
|
|
ID: "test-service",
|
|
Tasks: []Task{task},
|
|
RunningTasks: runningTasks,
|
|
Labels: labels,
|
|
Container: container,
|
|
}
|
|
)
|
|
return &AppList{
|
|
Apps: []App{app},
|
|
}
|
|
}
|
|
|
|
func TestMarathonSDSendGroupWithoutPortDefinitions(t *testing.T) {
|
|
var (
|
|
ch = make(chan []*config.TargetGroup, 1)
|
|
client = func(client *http.Client, url, token string) (*AppList, error) {
|
|
return marathonTestAppListWithoutPortDefinitions(marathonValidLabel, 1), nil
|
|
}
|
|
)
|
|
if err := testUpdateServices(client, ch); err != nil {
|
|
t.Fatalf("Got error: %s", err)
|
|
}
|
|
select {
|
|
case tgs := <-ch:
|
|
tg := tgs[0]
|
|
|
|
if tg.Source != "test-service" {
|
|
t.Fatalf("Wrong target group name: %s", tg.Source)
|
|
}
|
|
if len(tg.Targets) != 2 {
|
|
t.Fatalf("Wrong number of targets: %v", tg.Targets)
|
|
}
|
|
tgt := tg.Targets[0]
|
|
if tgt[model.AddressLabel] != "mesos-slave1:31000" {
|
|
t.Fatalf("Wrong target address: %s", tgt[model.AddressLabel])
|
|
}
|
|
if tgt[model.LabelName(portMappingLabelPrefix+"prometheus")] != "yes" {
|
|
t.Fatalf("Wrong first portMappings label from the first port: %s", tgt[model.AddressLabel])
|
|
}
|
|
if tgt[model.LabelName(portDefinitionLabelPrefix+"prometheus")] != "" {
|
|
t.Fatalf("Wrong first portDefinitions label from the first port: %s", tgt[model.AddressLabel])
|
|
}
|
|
tgt = tg.Targets[1]
|
|
if tgt[model.AddressLabel] != "mesos-slave1:32000" {
|
|
t.Fatalf("Wrong target address: %s", tgt[model.AddressLabel])
|
|
}
|
|
if tgt[model.LabelName(portMappingLabelPrefix+"prometheus")] != "" {
|
|
t.Fatalf("Wrong portMappings label from the second port: %s", tgt[model.AddressLabel])
|
|
}
|
|
if tgt[model.LabelName(portDefinitionLabelPrefix+"prometheus")] != "" {
|
|
t.Fatalf("Wrong portDefinitions label from the second port: %s", tgt[model.AddressLabel])
|
|
}
|
|
default:
|
|
t.Fatal("Did not get a target group.")
|
|
}
|
|
}
|