526 lines
14 KiB
Go
526 lines
14 KiB
Go
package ecs
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import (
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"testing"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/service/ec2"
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"github.com/aws/aws-sdk-go/service/ecs"
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"github.com/containous/traefik/provider/label"
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"github.com/containous/traefik/types"
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"github.com/stretchr/testify/assert"
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)
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func TestBuildConfiguration(t *testing.T) {
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provider := &Provider{}
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tests := []struct {
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desc string
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services map[string][]ecsInstance
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expected *types.Configuration
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err error
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}{
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{
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desc: "config parsed successfully",
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services: map[string][]ecsInstance{
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"testing": {
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{
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Name: "instance-1",
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containerDefinition: &ecs.ContainerDefinition{
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DockerLabels: map[string]*string{},
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},
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machine: &ec2.Instance{
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PrivateIpAddress: func(s string) *string { return &s }("10.0.0.1"),
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},
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container: &ecs.Container{
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NetworkBindings: []*ecs.NetworkBinding{
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{
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HostPort: func(i int64) *int64 { return &i }(1337),
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},
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},
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},
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},
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},
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},
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expected: &types.Configuration{
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Backends: map[string]*types.Backend{
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"backend-instance-1": {
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Servers: map[string]types.Server{
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"server-instance-1": {
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URL: "http://10.0.0.1:1337",
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},
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},
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},
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"backend-testing": {
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LoadBalancer: &types.LoadBalancer{
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Method: "wrr",
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},
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},
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},
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Frontends: map[string]*types.Frontend{
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"frontend-testing": {
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EntryPoints: []string{},
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Backend: "backend-testing",
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Routes: map[string]types.Route{
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"route-frontend-testing": {
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Rule: "Host:instance-1.",
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},
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},
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PassHostHeader: true,
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BasicAuth: []string{},
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},
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},
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},
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},
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{
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desc: "config parsed successfully with health check labels",
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services: map[string][]ecsInstance{
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"testing": {
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{
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Name: "instance-1",
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containerDefinition: &ecs.ContainerDefinition{
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DockerLabels: map[string]*string{
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label.TraefikBackendHealthCheckPath: func(s string) *string { return &s }("/health"),
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label.TraefikBackendHealthCheckInterval: func(s string) *string { return &s }("1s"),
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},
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},
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machine: &ec2.Instance{
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PrivateIpAddress: func(s string) *string { return &s }("10.0.0.1"),
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},
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container: &ecs.Container{
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NetworkBindings: []*ecs.NetworkBinding{
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{
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HostPort: func(i int64) *int64 { return &i }(1337),
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},
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},
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},
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},
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},
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},
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expected: &types.Configuration{
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Backends: map[string]*types.Backend{
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"backend-instance-1": {
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Servers: map[string]types.Server{
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"server-instance-1": {
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URL: "http://10.0.0.1:1337",
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},
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},
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},
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"backend-testing": {
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LoadBalancer: &types.LoadBalancer{
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Method: "wrr",
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},
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HealthCheck: &types.HealthCheck{
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Path: "/health",
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Interval: "1s",
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},
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},
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},
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Frontends: map[string]*types.Frontend{
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"frontend-testing": {
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EntryPoints: []string{},
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Backend: "backend-testing",
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Routes: map[string]types.Route{
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"route-frontend-testing": {
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Rule: "Host:instance-1.",
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},
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},
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PassHostHeader: true,
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BasicAuth: []string{},
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},
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},
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},
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},
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}
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for _, test := range tests {
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t.Run(test.desc, func(t *testing.T) {
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got, err := provider.buildConfiguration(test.services)
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assert.Equal(t, test.err, err)
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assert.Equal(t, test.expected, got)
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})
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}
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}
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func TestFilterInstance(t *testing.T) {
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nilPrivateIP := simpleEcsInstance(map[string]*string{})
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nilPrivateIP.machine.PrivateIpAddress = nil
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nilMachine := simpleEcsInstance(map[string]*string{})
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nilMachine.machine = nil
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nilMachineState := simpleEcsInstance(map[string]*string{})
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nilMachineState.machine.State = nil
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nilMachineStateName := simpleEcsInstance(map[string]*string{})
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nilMachineStateName.machine.State.Name = nil
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invalidMachineState := simpleEcsInstance(map[string]*string{})
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invalidMachineState.machine.State.Name = aws.String(ec2.InstanceStateNameStopped)
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noNetwork := simpleEcsInstanceNoNetwork(map[string]*string{})
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noNetworkWithLabel := simpleEcsInstanceNoNetwork(map[string]*string{
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label.TraefikPort: aws.String("80"),
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})
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tests := []struct {
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desc string
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instanceInfo ecsInstance
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exposedByDefault bool
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expected bool
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}{
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{
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desc: "Instance without enable label and exposed by default enabled should be not filtered",
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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exposedByDefault: true,
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expected: true,
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},
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{
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desc: "Instance without enable label and exposed by default disabled should be filtered",
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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exposedByDefault: false,
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expected: false,
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},
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{
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desc: "Instance with enable label set to false and exposed by default enabled should be filtered",
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instanceInfo: simpleEcsInstance(map[string]*string{
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label.TraefikEnable: aws.String("false"),
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}),
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exposedByDefault: true,
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expected: false,
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},
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{
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desc: "Instance with enable label set to true and exposed by default disabled should be not filtered",
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instanceInfo: simpleEcsInstance(map[string]*string{
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label.TraefikEnable: aws.String("true"),
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}),
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exposedByDefault: false,
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expected: true,
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},
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{
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desc: "Instance with nil private ip and exposed by default enabled should be filtered",
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instanceInfo: nilPrivateIP,
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exposedByDefault: true,
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expected: false,
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},
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{
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desc: "Instance with nil machine and exposed by default enabled should be filtered",
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instanceInfo: nilMachine,
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exposedByDefault: true,
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expected: false,
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},
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{
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desc: "Instance with nil machine state and exposed by default enabled should be filtered",
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instanceInfo: nilMachineState,
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exposedByDefault: true,
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expected: false,
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},
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{
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desc: "Instance with nil machine state name and exposed by default enabled should be filtered",
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instanceInfo: nilMachineStateName,
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exposedByDefault: true,
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expected: false,
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},
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{
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desc: "Instance with invalid machine state and exposed by default enabled should be filtered",
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instanceInfo: invalidMachineState,
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exposedByDefault: true,
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expected: false,
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},
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{
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desc: "Instance with no port mappings should be filtered",
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instanceInfo: noNetwork,
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exposedByDefault: true,
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expected: false,
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},
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{
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desc: "Instance with no port mapping and with label should not be filtered",
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instanceInfo: noNetworkWithLabel,
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exposedByDefault: true,
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expected: true,
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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prov := &Provider{
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ExposedByDefault: test.exposedByDefault,
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}
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actual := prov.filterInstance(test.instanceInfo)
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assert.Equal(t, test.expected, actual)
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})
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}
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}
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func TestChunkedTaskArns(t *testing.T) {
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testVal := "a"
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tests := []struct {
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desc string
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count int
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expectedLengths []int
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}{
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{
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desc: "0 parameter should return nil",
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count: 0,
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expectedLengths: []int(nil),
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},
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{
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desc: "1 parameter should return 1 array of 1 element",
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count: 1,
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expectedLengths: []int{1},
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},
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{
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desc: "99 parameters should return 1 array of 99 elements",
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count: 99,
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expectedLengths: []int{99},
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},
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{
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desc: "100 parameters should return 1 array of 100 elements",
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count: 100,
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expectedLengths: []int{100},
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},
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{
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desc: "101 parameters should return 1 array of 100 elements and 1 array of 1 element",
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count: 101,
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expectedLengths: []int{100, 1},
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},
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{
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desc: "199 parameters should return 1 array of 100 elements and 1 array of 99 elements",
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count: 199,
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expectedLengths: []int{100, 99},
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},
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{
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desc: "200 parameters should return 2 arrays of 100 elements each",
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count: 200,
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expectedLengths: []int{100, 100},
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},
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{
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desc: "201 parameters should return 2 arrays of 100 elements each and 1 array of 1 element",
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count: 201,
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expectedLengths: []int{100, 100, 1},
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},
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{
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desc: "555 parameters should return 5 arrays of 100 elements each and 1 array of 55 elements",
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count: 555,
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expectedLengths: []int{100, 100, 100, 100, 100, 55},
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},
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{
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desc: "1001 parameters should return 10 arrays of 100 elements each and 1 array of 1 element",
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count: 1001,
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expectedLengths: []int{100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 1},
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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var tasks []*string
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for v := 0; v < test.count; v++ {
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tasks = append(tasks, &testVal)
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}
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out := chunkedTaskArns(tasks)
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var outCount []int
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for _, el := range out {
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outCount = append(outCount, len(el))
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}
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assert.Equal(t, test.expectedLengths, outCount, "Chunking %d elements", test.count)
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})
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}
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}
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func TestGetHost(t *testing.T) {
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tests := []struct {
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desc string
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expected string
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instanceInfo ecsInstance
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}{
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{
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desc: "Default host should be 10.0.0.0",
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expected: "10.0.0.0",
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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actual := getHost(test.instanceInfo)
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assert.Equal(t, test.expected, actual)
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})
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}
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}
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func TestGetPort(t *testing.T) {
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tests := []struct {
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desc string
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expected string
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instanceInfo ecsInstance
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}{
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{
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desc: "Default port should be 80",
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expected: "80",
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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},
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{
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desc: "Label should override network port",
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expected: "4242",
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instanceInfo: simpleEcsInstance(map[string]*string{
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label.TraefikPort: aws.String("4242"),
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}),
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},
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{
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desc: "Label should provide exposed port",
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expected: "80",
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instanceInfo: simpleEcsInstanceNoNetwork(map[string]*string{
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label.TraefikPort: aws.String("80"),
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}),
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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actual := getPort(test.instanceInfo)
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assert.Equal(t, test.expected, actual)
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})
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}
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}
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func TestGetFuncStringValue(t *testing.T) {
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tests := []struct {
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desc string
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expected string
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instanceInfo ecsInstance
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}{
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{
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desc: "Protocol label is not set should return a string equals to http",
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expected: "http",
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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},
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{
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desc: "Protocol label is set to http should return a string equals to http",
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expected: "http",
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instanceInfo: simpleEcsInstance(map[string]*string{
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label.TraefikProtocol: aws.String("http"),
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}),
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},
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{
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desc: "Protocol label is set to https should return a string equals to https",
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expected: "https",
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instanceInfo: simpleEcsInstance(map[string]*string{
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label.TraefikProtocol: aws.String("https"),
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}),
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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actual := getFuncStringValue(label.TraefikProtocol, label.DefaultProtocol)(test.instanceInfo)
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assert.Equal(t, test.expected, actual)
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})
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}
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}
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func TestGetFuncSliceString(t *testing.T) {
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tests := []struct {
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desc string
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expected []string
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instanceInfo ecsInstance
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}{
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{
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desc: "Frontend entrypoints label not set should return empty array",
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expected: nil,
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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},
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{
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desc: "Frontend entrypoints label set to http should return a string array of 1 element",
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expected: []string{"http"},
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instanceInfo: simpleEcsInstance(map[string]*string{
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label.TraefikFrontendEntryPoints: aws.String("http"),
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}),
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},
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{
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desc: "Frontend entrypoints label set to http,https should return a string array of 2 elements",
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expected: []string{"http", "https"},
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instanceInfo: simpleEcsInstance(map[string]*string{
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label.TraefikFrontendEntryPoints: aws.String("http,https"),
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}),
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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actual := getFuncSliceString(label.TraefikFrontendEntryPoints)(test.instanceInfo)
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assert.Equal(t, test.expected, actual)
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})
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}
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}
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func makeEcsInstance(containerDef *ecs.ContainerDefinition) ecsInstance {
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container := &ecs.Container{
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Name: containerDef.Name,
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NetworkBindings: make([]*ecs.NetworkBinding, len(containerDef.PortMappings)),
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}
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for i, pm := range containerDef.PortMappings {
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container.NetworkBindings[i] = &ecs.NetworkBinding{
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HostPort: pm.HostPort,
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ContainerPort: pm.ContainerPort,
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Protocol: pm.Protocol,
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BindIP: aws.String("0.0.0.0"),
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}
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}
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return ecsInstance{
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Name: "foo-http",
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ID: "123456789abc",
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task: &ecs.Task{
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Containers: []*ecs.Container{container},
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},
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taskDefinition: &ecs.TaskDefinition{
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ContainerDefinitions: []*ecs.ContainerDefinition{containerDef},
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},
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container: container,
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containerDefinition: containerDef,
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machine: &ec2.Instance{
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PrivateIpAddress: aws.String("10.0.0.0"),
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State: &ec2.InstanceState{
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Name: aws.String(ec2.InstanceStateNameRunning),
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},
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},
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}
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}
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func simpleEcsInstance(labels map[string]*string) ecsInstance {
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return makeEcsInstance(&ecs.ContainerDefinition{
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Name: aws.String("http"),
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PortMappings: []*ecs.PortMapping{{
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HostPort: aws.Int64(80),
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ContainerPort: aws.Int64(80),
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Protocol: aws.String("tcp"),
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}},
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DockerLabels: labels,
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})
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}
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func simpleEcsInstanceNoNetwork(labels map[string]*string) ecsInstance {
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return makeEcsInstance(&ecs.ContainerDefinition{
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Name: aws.String("http"),
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PortMappings: []*ecs.PortMapping{},
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DockerLabels: labels,
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})
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}
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