traefik/provider/ecs/ecs_test.go
2017-10-31 11:44:03 +01:00

690 lines
18 KiB
Go

package ecs
import (
"testing"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/aws/aws-sdk-go/service/ecs"
"github.com/containous/traefik/types"
"github.com/stretchr/testify/assert"
)
func makeEcsInstance(containerDef *ecs.ContainerDefinition) ecsInstance {
container := &ecs.Container{
Name: containerDef.Name,
NetworkBindings: make([]*ecs.NetworkBinding, len(containerDef.PortMappings)),
}
for i, pm := range containerDef.PortMappings {
container.NetworkBindings[i] = &ecs.NetworkBinding{
HostPort: pm.HostPort,
ContainerPort: pm.ContainerPort,
Protocol: pm.Protocol,
BindIP: aws.String("0.0.0.0"),
}
}
return ecsInstance{
Name: "foo-http",
ID: "123456789abc",
task: &ecs.Task{
Containers: []*ecs.Container{container},
},
taskDefinition: &ecs.TaskDefinition{
ContainerDefinitions: []*ecs.ContainerDefinition{containerDef},
},
container: container,
containerDefinition: containerDef,
machine: &ec2.Instance{
PrivateIpAddress: aws.String("10.0.0.0"),
State: &ec2.InstanceState{
Name: aws.String(ec2.InstanceStateNameRunning),
},
},
}
}
func simpleEcsInstance(labels map[string]*string) ecsInstance {
return makeEcsInstance(&ecs.ContainerDefinition{
Name: aws.String("http"),
PortMappings: []*ecs.PortMapping{{
HostPort: aws.Int64(80),
ContainerPort: aws.Int64(80),
Protocol: aws.String("tcp"),
}},
DockerLabels: labels,
})
}
func simpleEcsInstanceNoNetwork(labels map[string]*string) ecsInstance {
return makeEcsInstance(&ecs.ContainerDefinition{
Name: aws.String("http"),
PortMappings: []*ecs.PortMapping{},
DockerLabels: labels,
})
}
func TestEcsProtocol(t *testing.T) {
tests := []struct {
desc string
expected string
instanceInfo ecsInstance
provider *Provider
}{
{
desc: "Protocol label is not set should return a string equals to http",
expected: "http",
instanceInfo: simpleEcsInstance(map[string]*string{}),
provider: &Provider{},
},
{
desc: "Protocol label is set to http should return a string equals to http",
expected: "http",
instanceInfo: simpleEcsInstance(map[string]*string{
types.LabelProtocol: aws.String("http"),
}),
provider: &Provider{},
},
{
desc: "Protocol label is set to https should return a string equals to https",
expected: "https",
instanceInfo: simpleEcsInstance(map[string]*string{
types.LabelProtocol: aws.String("https"),
}),
provider: &Provider{},
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actual := test.provider.getProtocol(test.instanceInfo)
assert.Equal(t, test.expected, actual)
})
}
}
func TestEcsHost(t *testing.T) {
tests := []struct {
desc string
expected string
instanceInfo ecsInstance
provider *Provider
}{
{
desc: "Default host should be 10.0.0.0",
expected: "10.0.0.0",
instanceInfo: simpleEcsInstance(map[string]*string{}),
provider: &Provider{},
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actual := test.provider.getHost(test.instanceInfo)
assert.Equal(t, test.expected, actual)
})
}
}
func TestEcsPort(t *testing.T) {
tests := []struct {
desc string
expected string
instanceInfo ecsInstance
provider *Provider
}{
{
desc: "Default port should be 80",
expected: "80",
instanceInfo: simpleEcsInstance(map[string]*string{}),
provider: &Provider{},
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actual := test.provider.getPort(test.instanceInfo)
assert.Equal(t, test.expected, actual)
})
}
}
func TestEcsWeight(t *testing.T) {
tests := []struct {
desc string
expected string
instanceInfo ecsInstance
provider *Provider
}{
{
desc: "Weight label not set should return a string equals to 0",
expected: "0",
instanceInfo: simpleEcsInstance(map[string]*string{}),
provider: &Provider{},
},
{
desc: "Weight label set 0 should return a string equals to 0",
expected: "0",
instanceInfo: simpleEcsInstance(map[string]*string{
types.LabelWeight: aws.String("0"),
}),
provider: &Provider{},
},
{
desc: "Weight label set -1 should return a string equals to -1",
expected: "-1",
instanceInfo: simpleEcsInstance(map[string]*string{
types.LabelWeight: aws.String("-1"),
}),
provider: &Provider{},
},
{
desc: "Weight label set 10 should return a string equals to 10",
expected: "10",
instanceInfo: simpleEcsInstance(map[string]*string{
types.LabelWeight: aws.String("10"),
}),
provider: &Provider{},
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actual := test.provider.getWeight(test.instanceInfo)
assert.Equal(t, test.expected, actual)
})
}
}
func TestEcsPassHostHeader(t *testing.T) {
tests := []struct {
desc string
expected string
instanceInfo ecsInstance
provider *Provider
}{
{
desc: "Frontend pass host header label not set should return a string equals to true",
expected: "true",
instanceInfo: simpleEcsInstance(map[string]*string{}),
provider: &Provider{},
},
{
desc: "Frontend pass host header label set to false should return a string equals to false",
expected: "false",
instanceInfo: simpleEcsInstance(map[string]*string{
types.LabelFrontendPassHostHeader: aws.String("false"),
}),
provider: &Provider{},
},
{
desc: "Frontend pass host header label set to true should return a string equals to true",
expected: "true",
instanceInfo: simpleEcsInstance(map[string]*string{
types.LabelFrontendPassHostHeader: aws.String("true"),
}),
provider: &Provider{},
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actual := test.provider.getPassHostHeader(test.instanceInfo)
assert.Equal(t, test.expected, actual)
})
}
}
func TestEcsPriority(t *testing.T) {
tests := []struct {
desc string
expected string
instanceInfo ecsInstance
provider *Provider
}{
{
desc: "Frontend priority label not set should return a string equals to 0",
expected: "0",
instanceInfo: simpleEcsInstance(map[string]*string{}),
provider: &Provider{},
},
{
desc: "Frontend priority label set to 10 should return a string equals to 10",
expected: "10",
instanceInfo: simpleEcsInstance(map[string]*string{
types.LabelFrontendPriority: aws.String("10"),
}),
provider: &Provider{},
},
{
desc: "Frontend priority label set to -1 should return a string equals to -1",
expected: "-1",
instanceInfo: simpleEcsInstance(map[string]*string{
types.LabelFrontendPriority: aws.String("-1"),
}),
provider: &Provider{},
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actual := test.provider.getPriority(test.instanceInfo)
assert.Equal(t, test.expected, actual)
})
}
}
func TestEcsEntryPoints(t *testing.T) {
tests := []struct {
desc string
expected []string
instanceInfo ecsInstance
provider *Provider
}{
{
desc: "Frontend entrypoints label not set should return empty array",
expected: []string{},
instanceInfo: simpleEcsInstance(map[string]*string{}),
provider: &Provider{},
},
{
desc: "Frontend entrypoints label set to http should return a string array of 1 element",
expected: []string{"http"},
instanceInfo: simpleEcsInstance(map[string]*string{
types.LabelFrontendEntryPoints: aws.String("http"),
}),
provider: &Provider{},
},
{
desc: "Frontend entrypoints label set to http,https should return a string array of 2 elements",
expected: []string{"http", "https"},
instanceInfo: simpleEcsInstance(map[string]*string{
types.LabelFrontendEntryPoints: aws.String("http,https"),
}),
provider: &Provider{},
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actual := test.provider.getEntryPoints(test.instanceInfo)
assert.Equal(t, test.expected, actual)
})
}
}
func TestFilterInstance(t *testing.T) {
nilPrivateIP := simpleEcsInstance(map[string]*string{})
nilPrivateIP.machine.PrivateIpAddress = nil
nilMachine := simpleEcsInstance(map[string]*string{})
nilMachine.machine = nil
nilMachineState := simpleEcsInstance(map[string]*string{})
nilMachineState.machine.State = nil
nilMachineStateName := simpleEcsInstance(map[string]*string{})
nilMachineStateName.machine.State.Name = nil
invalidMachineState := simpleEcsInstance(map[string]*string{})
invalidMachineState.machine.State.Name = aws.String(ec2.InstanceStateNameStopped)
noNetwork := simpleEcsInstanceNoNetwork(map[string]*string{})
noNetworkWithLabel := simpleEcsInstanceNoNetwork(map[string]*string{
types.LabelPort: aws.String("80"),
})
tests := []struct {
desc string
expected bool
instanceInfo ecsInstance
provider *Provider
}{
{
desc: "Instance without enable label and exposed by default enabled should be not filtered",
expected: true,
instanceInfo: simpleEcsInstance(map[string]*string{}),
provider: &Provider{
ExposedByDefault: true,
},
},
{
desc: "Instance without enable label and exposed by default disabled should be filtered",
expected: false,
instanceInfo: simpleEcsInstance(map[string]*string{}),
provider: &Provider{
ExposedByDefault: false,
},
},
{
desc: "Instance with enable label set to false and exposed by default enabled should be filtered",
expected: false,
instanceInfo: simpleEcsInstance(map[string]*string{
types.LabelEnable: aws.String("false"),
}),
provider: &Provider{
ExposedByDefault: true,
},
},
{
desc: "Instance with enable label set to true and exposed by default disabled should be not filtered",
expected: true,
instanceInfo: simpleEcsInstance(map[string]*string{
types.LabelEnable: aws.String("true"),
}),
provider: &Provider{
ExposedByDefault: false,
},
},
{
desc: "Instance with nil private ip and exposed by default enabled should be filtered",
expected: false,
instanceInfo: nilPrivateIP,
provider: &Provider{
ExposedByDefault: true,
},
},
{
desc: "Instance with nil machine and exposed by default enabled should be filtered",
expected: false,
instanceInfo: nilMachine,
provider: &Provider{
ExposedByDefault: true,
},
},
{
desc: "Instance with nil machine state and exposed by default enabled should be filtered",
expected: false,
instanceInfo: nilMachineState,
provider: &Provider{
ExposedByDefault: true,
},
},
{
desc: "Instance with nil machine state name and exposed by default enabled should be filtered",
expected: false,
instanceInfo: nilMachineStateName,
provider: &Provider{
ExposedByDefault: true,
},
},
{
desc: "Instance with invalid machine state and exposed by default enabled should be filtered",
expected: false,
instanceInfo: invalidMachineState,
provider: &Provider{
ExposedByDefault: true,
},
},
{
desc: "Instance with no port mappings should be filtered",
expected: false,
instanceInfo: noNetwork,
provider: &Provider{
ExposedByDefault: true,
},
},
{
desc: "Instance with no port mapping and with label should not be filtered",
expected: true,
instanceInfo: noNetworkWithLabel,
provider: &Provider{
ExposedByDefault: true,
},
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actual := test.provider.filterInstance(test.instanceInfo)
assert.Equal(t, test.expected, actual)
})
}
}
func TestTaskChunking(t *testing.T) {
testval := "a"
tests := []struct {
desc string
count int
expectedLengths []int
provider *Provider
}{
{
desc: "0 parameter should return nil",
count: 0,
expectedLengths: []int(nil),
provider: &Provider{},
},
{
desc: "1 parameter should return 1 array of 1 element",
count: 1,
expectedLengths: []int{1},
provider: &Provider{},
},
{
desc: "99 parameters should return 1 array of 99 elements",
count: 99,
expectedLengths: []int{99},
provider: &Provider{},
},
{
desc: "100 parameters should return 1 array of 100 elements",
count: 100,
expectedLengths: []int{100},
provider: &Provider{},
},
{
desc: "101 parameters should return 1 array of 100 elements and 1 array of 1 element",
count: 101,
expectedLengths: []int{100, 1},
provider: &Provider{},
},
{
desc: "199 parameters should return 1 array of 100 elements and 1 array of 99 elements",
count: 199,
expectedLengths: []int{100, 99},
provider: &Provider{},
},
{
desc: "200 parameters should return 2 arrays of 100 elements each",
count: 200,
expectedLengths: []int{100, 100},
provider: &Provider{},
},
{
desc: "201 parameters should return 2 arrays of 100 elements each and 1 array of 1 element",
count: 201,
expectedLengths: []int{100, 100, 1},
provider: &Provider{},
},
{
desc: "555 parameters should return 5 arrays of 100 elements each and 1 array of 55 elements",
count: 555,
expectedLengths: []int{100, 100, 100, 100, 100, 55},
provider: &Provider{},
},
{
desc: "1001 parameters should return 10 arrays of 100 elements each and 1 array of 1 element",
count: 1001,
expectedLengths: []int{100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 1},
provider: &Provider{},
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
var tasks []*string
for v := 0; v < test.count; v++ {
tasks = append(tasks, &testval)
}
out := test.provider.chunkedTaskArns(tasks)
var outCount []int
for _, el := range out {
outCount = append(outCount, len(el))
}
assert.Equal(t, test.expectedLengths, outCount, "Chunking %d elements", test.count)
})
}
}
func TestEcsGetBasicAuth(t *testing.T) {
cases := []struct {
desc string
instance ecsInstance
expected []string
}{
{
desc: "label missing",
instance: simpleEcsInstance(map[string]*string{}),
expected: []string{},
},
{
desc: "label existing",
instance: simpleEcsInstance(map[string]*string{
types.LabelFrontendAuthBasic: aws.String("user:password"),
}),
expected: []string{"user:password"},
},
}
for _, test := range cases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
provider := &Provider{}
actual := provider.getBasicAuth(test.instance)
assert.Equal(t, test.expected, actual)
})
}
}
func TestGenerateECSConfig(t *testing.T) {
provider := &Provider{}
tests := []struct {
desc string
services map[string][]ecsInstance
exp *types.Configuration
err error
}{
{
desc: "config parsed successfully",
services: map[string][]ecsInstance{
"testing": {
{
Name: "instance-1",
containerDefinition: &ecs.ContainerDefinition{
DockerLabels: map[string]*string{},
},
machine: &ec2.Instance{
PrivateIpAddress: func(s string) *string { return &s }("10.0.0.1"),
},
container: &ecs.Container{
NetworkBindings: []*ecs.NetworkBinding{
{
HostPort: func(i int64) *int64 { return &i }(1337),
},
},
},
},
},
},
exp: &types.Configuration{
Backends: map[string]*types.Backend{
"backend-instance-1": {
Servers: map[string]types.Server{
"server-instance-1": {
URL: "http://10.0.0.1:1337",
},
},
},
"backend-testing": {
LoadBalancer: &types.LoadBalancer{
Method: "wrr",
},
},
},
Frontends: map[string]*types.Frontend{
"frontend-testing": {
EntryPoints: []string{},
Backend: "backend-testing",
Routes: map[string]types.Route{
"route-frontend-testing": {
Rule: "Host:instance-1.",
},
},
PassHostHeader: true,
BasicAuth: []string{},
},
},
},
},
}
for _, test := range tests {
t.Run(test.desc, func(t *testing.T) {
got, err := provider.generateECSConfig(test.services)
assert.Equal(t, test.err, err)
assert.Equal(t, test.exp, got)
})
}
}
func TestEcsWithoutPort(t *testing.T) {
tests := []struct {
desc string
expected string
instanceInfo ecsInstance
provider *Provider
}{
{
desc: "Label should override network port",
expected: "4242",
instanceInfo: simpleEcsInstance(map[string]*string{
types.LabelPort: aws.String("4242"),
}),
provider: &Provider{},
},
{
desc: "Label should provide exposed port",
expected: "80",
instanceInfo: simpleEcsInstanceNoNetwork(map[string]*string{
types.LabelPort: aws.String("80"),
}),
provider: &Provider{},
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actual := test.provider.getPort(test.instanceInfo)
assert.Equal(t, test.expected, actual)
})
}
}