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/provider/label" "github.com/containous/traefik/types" "github.com/stretchr/testify/assert" ) func TestBuildConfiguration(t *testing.T) { provider := &Provider{} tests := []struct { desc string services map[string][]ecsInstance expected *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), }, }, }, }, }, }, expected: &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{}, }, }, }, }, { desc: "config parsed successfully with health check labels", services: map[string][]ecsInstance{ "testing": { { Name: "instance-1", containerDefinition: &ecs.ContainerDefinition{ DockerLabels: map[string]*string{ label.TraefikBackendHealthCheckPath: func(s string) *string { return &s }("/health"), label.TraefikBackendHealthCheckInterval: func(s string) *string { return &s }("1s"), }, }, 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), }, }, }, }, }, }, expected: &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", }, HealthCheck: &types.HealthCheck{ Path: "/health", Interval: "1s", }, }, }, 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.buildConfiguration(test.services) assert.Equal(t, test.err, err) assert.Equal(t, test.expected, got) }) } } 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{ label.TraefikPort: aws.String("80"), }) tests := []struct { desc string instanceInfo ecsInstance exposedByDefault bool expected bool }{ { desc: "Instance without enable label and exposed by default enabled should be not filtered", instanceInfo: simpleEcsInstance(map[string]*string{}), exposedByDefault: true, expected: true, }, { desc: "Instance without enable label and exposed by default disabled should be filtered", instanceInfo: simpleEcsInstance(map[string]*string{}), exposedByDefault: false, expected: false, }, { desc: "Instance with enable label set to false and exposed by default enabled should be filtered", instanceInfo: simpleEcsInstance(map[string]*string{ label.TraefikEnable: aws.String("false"), }), exposedByDefault: true, expected: false, }, { desc: "Instance with enable label set to true and exposed by default disabled should be not filtered", instanceInfo: simpleEcsInstance(map[string]*string{ label.TraefikEnable: aws.String("true"), }), exposedByDefault: false, expected: true, }, { desc: "Instance with nil private ip and exposed by default enabled should be filtered", instanceInfo: nilPrivateIP, exposedByDefault: true, expected: false, }, { desc: "Instance with nil machine and exposed by default enabled should be filtered", instanceInfo: nilMachine, exposedByDefault: true, expected: false, }, { desc: "Instance with nil machine state and exposed by default enabled should be filtered", instanceInfo: nilMachineState, exposedByDefault: true, expected: false, }, { desc: "Instance with nil machine state name and exposed by default enabled should be filtered", instanceInfo: nilMachineStateName, exposedByDefault: true, expected: false, }, { desc: "Instance with invalid machine state and exposed by default enabled should be filtered", instanceInfo: invalidMachineState, exposedByDefault: true, expected: false, }, { desc: "Instance with no port mappings should be filtered", instanceInfo: noNetwork, exposedByDefault: true, expected: false, }, { desc: "Instance with no port mapping and with label should not be filtered", instanceInfo: noNetworkWithLabel, exposedByDefault: true, expected: true, }, } for _, test := range tests { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() prov := &Provider{ ExposedByDefault: test.exposedByDefault, } actual := prov.filterInstance(test.instanceInfo) assert.Equal(t, test.expected, actual) }) } } func TestChunkedTaskArns(t *testing.T) { testVal := "a" tests := []struct { desc string count int expectedLengths []int }{ { desc: "0 parameter should return nil", count: 0, expectedLengths: []int(nil), }, { desc: "1 parameter should return 1 array of 1 element", count: 1, expectedLengths: []int{1}, }, { desc: "99 parameters should return 1 array of 99 elements", count: 99, expectedLengths: []int{99}, }, { desc: "100 parameters should return 1 array of 100 elements", count: 100, expectedLengths: []int{100}, }, { desc: "101 parameters should return 1 array of 100 elements and 1 array of 1 element", count: 101, expectedLengths: []int{100, 1}, }, { desc: "199 parameters should return 1 array of 100 elements and 1 array of 99 elements", count: 199, expectedLengths: []int{100, 99}, }, { desc: "200 parameters should return 2 arrays of 100 elements each", count: 200, expectedLengths: []int{100, 100}, }, { desc: "201 parameters should return 2 arrays of 100 elements each and 1 array of 1 element", count: 201, expectedLengths: []int{100, 100, 1}, }, { 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}, }, { 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}, }, } 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 := 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 TestGetHost(t *testing.T) { tests := []struct { desc string expected string instanceInfo ecsInstance }{ { desc: "Default host should be 10.0.0.0", expected: "10.0.0.0", instanceInfo: simpleEcsInstance(map[string]*string{}), }, } for _, test := range tests { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() actual := getHost(test.instanceInfo) assert.Equal(t, test.expected, actual) }) } } func TestGetPort(t *testing.T) { tests := []struct { desc string expected string instanceInfo ecsInstance }{ { desc: "Default port should be 80", expected: "80", instanceInfo: simpleEcsInstance(map[string]*string{}), }, { desc: "Label should override network port", expected: "4242", instanceInfo: simpleEcsInstance(map[string]*string{ label.TraefikPort: aws.String("4242"), }), }, { desc: "Label should provide exposed port", expected: "80", instanceInfo: simpleEcsInstanceNoNetwork(map[string]*string{ label.TraefikPort: aws.String("80"), }), }, } for _, test := range tests { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() actual := getPort(test.instanceInfo) assert.Equal(t, test.expected, actual) }) } } func TestGetFuncStringValue(t *testing.T) { tests := []struct { desc string expected string instanceInfo ecsInstance }{ { desc: "Protocol label is not set should return a string equals to http", expected: "http", instanceInfo: simpleEcsInstance(map[string]*string{}), }, { desc: "Protocol label is set to http should return a string equals to http", expected: "http", instanceInfo: simpleEcsInstance(map[string]*string{ label.TraefikProtocol: aws.String("http"), }), }, { desc: "Protocol label is set to https should return a string equals to https", expected: "https", instanceInfo: simpleEcsInstance(map[string]*string{ label.TraefikProtocol: aws.String("https"), }), }, } for _, test := range tests { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() actual := getFuncStringValue(label.TraefikProtocol, label.DefaultProtocol)(test.instanceInfo) assert.Equal(t, test.expected, actual) }) } } func TestGetFuncSliceString(t *testing.T) { tests := []struct { desc string expected []string instanceInfo ecsInstance }{ { desc: "Frontend entrypoints label not set should return empty array", expected: nil, instanceInfo: simpleEcsInstance(map[string]*string{}), }, { desc: "Frontend entrypoints label set to http should return a string array of 1 element", expected: []string{"http"}, instanceInfo: simpleEcsInstance(map[string]*string{ label.TraefikFrontendEntryPoints: aws.String("http"), }), }, { 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{ label.TraefikFrontendEntryPoints: aws.String("http,https"), }), }, } for _, test := range tests { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() actual := getFuncSliceString(label.TraefikFrontendEntryPoints)(test.instanceInfo) assert.Equal(t, test.expected, actual) }) } } 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, }) }