package docker import ( "strconv" "testing" "time" "github.com/containous/flaeg" "github.com/containous/traefik/provider/label" "github.com/containous/traefik/types" docker "github.com/docker/docker/api/types" "github.com/docker/docker/api/types/container" "github.com/docker/go-connections/nat" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) func TestDockerBuildConfiguration(t *testing.T) { testCases := []struct { desc string containers []docker.ContainerJSON expectedFrontends map[string]*types.Frontend expectedBackends map[string]*types.Backend }{ { desc: "when no container", containers: []docker.ContainerJSON{}, expectedFrontends: map[string]*types.Frontend{}, expectedBackends: map[string]*types.Backend{}, }, { desc: "when basic container configuration", containers: []docker.ContainerJSON{ containerJSON( name("test"), ports(nat.PortMap{ "80/tcp": {}, }), withNetwork("bridge", ipv4("127.0.0.1")), ), }, expectedFrontends: map[string]*types.Frontend{ "frontend-Host-test-docker-localhost-0": { Backend: "backend-test", PassHostHeader: true, EntryPoints: []string{}, BasicAuth: []string{}, Routes: map[string]types.Route{ "route-frontend-Host-test-docker-localhost-0": { Rule: "Host:test.docker.localhost", }, }, }, }, expectedBackends: map[string]*types.Backend{ "backend-test": { Servers: map[string]types.Server{ "server-test": { URL: "http://127.0.0.1:80", Weight: label.DefaultWeight, }, }, CircuitBreaker: nil, }, }, }, { desc: "when container has label 'enable' to false", containers: []docker.ContainerJSON{ containerJSON( name("test"), labels(map[string]string{ label.TraefikEnable: "false", label.TraefikPort: "666", label.TraefikProtocol: "https", label.TraefikWeight: "12", label.TraefikBackend: "foobar", }), ports(nat.PortMap{ "80/tcp": {}, }), withNetwork("bridge", ipv4("127.0.0.1")), ), }, expectedFrontends: map[string]*types.Frontend{}, expectedBackends: map[string]*types.Backend{}, }, { desc: "when all labels are set", containers: []docker.ContainerJSON{ containerJSON( name("test1"), labels(map[string]string{ label.TraefikPort: "666", label.TraefikProtocol: "https", label.TraefikWeight: "12", label.TraefikBackend: "foobar", label.TraefikBackendCircuitBreakerExpression: "NetworkErrorRatio() > 0.5", label.TraefikBackendHealthCheckPath: "/health", label.TraefikBackendHealthCheckPort: "880", label.TraefikBackendHealthCheckInterval: "6", label.TraefikBackendHealthCheckHostname: "foo.com", label.TraefikBackendHealthCheckHeaders: "Foo:bar || Bar:foo", label.TraefikBackendLoadBalancerMethod: "drr", label.TraefikBackendLoadBalancerSticky: "true", label.TraefikBackendLoadBalancerStickiness: "true", label.TraefikBackendLoadBalancerStickinessCookieName: "chocolate", label.TraefikBackendMaxConnAmount: "666", label.TraefikBackendMaxConnExtractorFunc: "client.ip", label.TraefikBackendBufferingMaxResponseBodyBytes: "10485760", label.TraefikBackendBufferingMemResponseBodyBytes: "2097152", label.TraefikBackendBufferingMaxRequestBodyBytes: "10485760", label.TraefikBackendBufferingMemRequestBodyBytes: "2097152", label.TraefikBackendBufferingRetryExpression: "IsNetworkError() && Attempts() <= 2", label.TraefikFrontendAuthBasic: "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0", label.TraefikFrontendEntryPoints: "http,https", label.TraefikFrontendPassHostHeader: "true", label.TraefikFrontendPassTLSCert: "true", label.TraefikFrontendPriority: "666", label.TraefikFrontendRedirectEntryPoint: "https", label.TraefikFrontendRedirectRegex: "nope", label.TraefikFrontendRedirectReplacement: "nope", label.TraefikFrontendRedirectPermanent: "true", label.TraefikFrontendRule: "Host:traefik.io", label.TraefikFrontendWhiteListSourceRange: "10.10.10.10", label.TraefikFrontendWhiteListUseXForwardedFor: "true", label.TraefikFrontendRequestHeaders: "Access-Control-Allow-Methods:POST,GET,OPTIONS || Content-type: application/json; charset=utf-8", label.TraefikFrontendResponseHeaders: "Access-Control-Allow-Methods:POST,GET,OPTIONS || Content-type: application/json; charset=utf-8", label.TraefikFrontendSSLProxyHeaders: "Access-Control-Allow-Methods:POST,GET,OPTIONS || Content-type: application/json; charset=utf-8", label.TraefikFrontendAllowedHosts: "foo,bar,bor", label.TraefikFrontendHostsProxyHeaders: "foo,bar,bor", label.TraefikFrontendSSLHost: "foo", label.TraefikFrontendCustomFrameOptionsValue: "foo", label.TraefikFrontendContentSecurityPolicy: "foo", label.TraefikFrontendPublicKey: "foo", label.TraefikFrontendReferrerPolicy: "foo", label.TraefikFrontendCustomBrowserXSSValue: "foo", label.TraefikFrontendSTSSeconds: "666", label.TraefikFrontendSSLRedirect: "true", label.TraefikFrontendSSLTemporaryRedirect: "true", label.TraefikFrontendSTSIncludeSubdomains: "true", label.TraefikFrontendSTSPreload: "true", label.TraefikFrontendForceSTSHeader: "true", label.TraefikFrontendFrameDeny: "true", label.TraefikFrontendContentTypeNosniff: "true", label.TraefikFrontendBrowserXSSFilter: "true", label.TraefikFrontendIsDevelopment: "true", label.Prefix + label.BaseFrontendErrorPage + "foo." + label.SuffixErrorPageStatus: "404", label.Prefix + label.BaseFrontendErrorPage + "foo." + label.SuffixErrorPageBackend: "foobar", label.Prefix + label.BaseFrontendErrorPage + "foo." + label.SuffixErrorPageQuery: "foo_query", label.Prefix + label.BaseFrontendErrorPage + "bar." + label.SuffixErrorPageStatus: "500,600", label.Prefix + label.BaseFrontendErrorPage + "bar." + label.SuffixErrorPageBackend: "foobar", label.Prefix + label.BaseFrontendErrorPage + "bar." + label.SuffixErrorPageQuery: "bar_query", label.TraefikFrontendRateLimitExtractorFunc: "client.ip", label.Prefix + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitPeriod: "6", label.Prefix + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitAverage: "12", label.Prefix + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitBurst: "18", label.Prefix + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitPeriod: "3", label.Prefix + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitAverage: "6", label.Prefix + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitBurst: "9", }), ports(nat.PortMap{ "80/tcp": {}, }), withNetwork("bridge", ipv4("127.0.0.1")), ), }, expectedFrontends: map[string]*types.Frontend{ "frontend-Host-traefik-io-0": { EntryPoints: []string{ "http", "https", }, Backend: "backend-foobar", Routes: map[string]types.Route{ "route-frontend-Host-traefik-io-0": { Rule: "Host:traefik.io", }, }, PassHostHeader: true, PassTLSCert: true, Priority: 666, BasicAuth: []string{ "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/", "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0", }, WhiteList: &types.WhiteList{ SourceRange: []string{"10.10.10.10"}, UseXForwardedFor: true, }, Headers: &types.Headers{ CustomRequestHeaders: map[string]string{ "Access-Control-Allow-Methods": "POST,GET,OPTIONS", "Content-Type": "application/json; charset=utf-8", }, CustomResponseHeaders: map[string]string{ "Access-Control-Allow-Methods": "POST,GET,OPTIONS", "Content-Type": "application/json; charset=utf-8", }, AllowedHosts: []string{ "foo", "bar", "bor", }, HostsProxyHeaders: []string{ "foo", "bar", "bor", }, SSLRedirect: true, SSLTemporaryRedirect: true, SSLHost: "foo", SSLProxyHeaders: map[string]string{ "Access-Control-Allow-Methods": "POST,GET,OPTIONS", "Content-Type": "application/json; charset=utf-8", }, STSSeconds: 666, STSIncludeSubdomains: true, STSPreload: true, ForceSTSHeader: true, FrameDeny: true, CustomFrameOptionsValue: "foo", ContentTypeNosniff: true, BrowserXSSFilter: true, CustomBrowserXSSValue: "foo", ContentSecurityPolicy: "foo", PublicKey: "foo", ReferrerPolicy: "foo", IsDevelopment: true, }, Errors: map[string]*types.ErrorPage{ "foo": { Status: []string{"404"}, Query: "foo_query", Backend: "backend-foobar", }, "bar": { Status: []string{"500", "600"}, Query: "bar_query", Backend: "backend-foobar", }, }, RateLimit: &types.RateLimit{ ExtractorFunc: "client.ip", RateSet: map[string]*types.Rate{ "foo": { Period: flaeg.Duration(6 * time.Second), Average: 12, Burst: 18, }, "bar": { Period: flaeg.Duration(3 * time.Second), Average: 6, Burst: 9, }, }, }, Redirect: &types.Redirect{ EntryPoint: "https", Regex: "", Replacement: "", Permanent: true, }, }, }, expectedBackends: map[string]*types.Backend{ "backend-foobar": { Servers: map[string]types.Server{ "server-test1": { URL: "https://127.0.0.1:666", Weight: 12, }, }, CircuitBreaker: &types.CircuitBreaker{ Expression: "NetworkErrorRatio() > 0.5", }, LoadBalancer: &types.LoadBalancer{ Method: "drr", Sticky: true, Stickiness: &types.Stickiness{ CookieName: "chocolate", }, }, MaxConn: &types.MaxConn{ Amount: 666, ExtractorFunc: "client.ip", }, HealthCheck: &types.HealthCheck{ Path: "/health", Port: 880, Interval: "6", Hostname: "foo.com", Headers: map[string]string{ "Foo": "bar", "Bar": "foo", }, }, Buffering: &types.Buffering{ MaxResponseBodyBytes: 10485760, MemResponseBodyBytes: 2097152, MaxRequestBodyBytes: 10485760, MemRequestBodyBytes: 2097152, RetryExpression: "IsNetworkError() && Attempts() <= 2", }, }, }, }, { desc: "when docker compose scale with different compose service names", containers: []docker.ContainerJSON{ containerJSON( name("test_0"), labels(map[string]string{ labelDockerComposeProject: "myProject", labelDockerComposeService: "myService", }), ports(nat.PortMap{ "80/tcp": {}, }), withNetwork("bridge", ipv4("127.0.0.1")), ), containerJSON( name("test_1"), labels(map[string]string{ labelDockerComposeProject: "myProject", labelDockerComposeService: "myService", }), ports(nat.PortMap{ "80/tcp": {}, }), withNetwork("bridge", ipv4("127.0.0.2")), ), containerJSON( name("test_2"), labels(map[string]string{ labelDockerComposeProject: "myProject", labelDockerComposeService: "myService2", }), ports(nat.PortMap{ "80/tcp": {}, }), withNetwork("bridge", ipv4("127.0.0.3")), ), }, expectedFrontends: map[string]*types.Frontend{ "frontend-Host-myService-myProject-docker-localhost-0": { Backend: "backend-myService-myProject", PassHostHeader: true, EntryPoints: []string{}, BasicAuth: []string{}, Routes: map[string]types.Route{ "route-frontend-Host-myService-myProject-docker-localhost-0": { Rule: "Host:myService.myProject.docker.localhost", }, }, }, "frontend-Host-myService2-myProject-docker-localhost-2": { Backend: "backend-myService2-myProject", PassHostHeader: true, EntryPoints: []string{}, BasicAuth: []string{}, Routes: map[string]types.Route{ "route-frontend-Host-myService2-myProject-docker-localhost-2": { Rule: "Host:myService2.myProject.docker.localhost", }, }, }, }, expectedBackends: map[string]*types.Backend{ "backend-myService-myProject": { Servers: map[string]types.Server{ "server-test-0": { URL: "http://127.0.0.1:80", Weight: label.DefaultWeight, }, "server-test-1": { URL: "http://127.0.0.2:80", Weight: label.DefaultWeight, }, }, CircuitBreaker: nil, }, "backend-myService2-myProject": { Servers: map[string]types.Server{ "server-test-2": { URL: "http://127.0.0.3:80", Weight: label.DefaultWeight, }, }, CircuitBreaker: nil, }, }, }, } for _, test := range testCases { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() var dockerDataList []dockerData for _, cont := range test.containers { dData := parseContainer(cont) dockerDataList = append(dockerDataList, dData) } provider := &Provider{ Domain: "docker.localhost", ExposedByDefault: true, } actualConfig := provider.buildConfigurationV2(dockerDataList) require.NotNil(t, actualConfig, "actualConfig") assert.EqualValues(t, test.expectedBackends, actualConfig.Backends) assert.EqualValues(t, test.expectedFrontends, actualConfig.Frontends) }) } } func TestDockerTraefikFilter(t *testing.T) { testCases := []struct { container docker.ContainerJSON expected bool provider *Provider }{ { container: docker.ContainerJSON{ ContainerJSONBase: &docker.ContainerJSONBase{ Name: "container", }, Config: &container.Config{}, NetworkSettings: &docker.NetworkSettings{}, }, expected: false, provider: &Provider{ Domain: "test", ExposedByDefault: true, }, }, { container: docker.ContainerJSON{ ContainerJSONBase: &docker.ContainerJSONBase{ Name: "container", }, Config: &container.Config{ Labels: map[string]string{ label.TraefikEnable: "false", }, }, NetworkSettings: &docker.NetworkSettings{ NetworkSettingsBase: docker.NetworkSettingsBase{ Ports: nat.PortMap{ "80/tcp": {}, }, }, }, }, provider: &Provider{ Domain: "test", ExposedByDefault: true, }, expected: false, }, { container: docker.ContainerJSON{ ContainerJSONBase: &docker.ContainerJSONBase{ Name: "container", }, Config: &container.Config{ Labels: map[string]string{ label.TraefikFrontendRule: "Host:foo.bar", }, }, NetworkSettings: &docker.NetworkSettings{ NetworkSettingsBase: docker.NetworkSettingsBase{ Ports: nat.PortMap{ "80/tcp": {}, }, }, }, }, provider: &Provider{ Domain: "test", ExposedByDefault: true, }, expected: true, }, { container: docker.ContainerJSON{ ContainerJSONBase: &docker.ContainerJSONBase{ Name: "container-multi-ports", }, Config: &container.Config{}, NetworkSettings: &docker.NetworkSettings{ NetworkSettingsBase: docker.NetworkSettingsBase{ Ports: nat.PortMap{ "80/tcp": {}, "443/tcp": {}, }, }, }, }, provider: &Provider{ Domain: "test", ExposedByDefault: true, }, expected: true, }, { container: docker.ContainerJSON{ ContainerJSONBase: &docker.ContainerJSONBase{ Name: "container", }, Config: &container.Config{}, NetworkSettings: &docker.NetworkSettings{ NetworkSettingsBase: docker.NetworkSettingsBase{ Ports: nat.PortMap{ "80/tcp": {}, }, }, }, }, provider: &Provider{ Domain: "test", ExposedByDefault: true, }, expected: true, }, { container: docker.ContainerJSON{ ContainerJSONBase: &docker.ContainerJSONBase{ Name: "container", }, Config: &container.Config{ Labels: map[string]string{ label.TraefikPort: "80", }, }, NetworkSettings: &docker.NetworkSettings{ NetworkSettingsBase: docker.NetworkSettingsBase{ Ports: nat.PortMap{ "80/tcp": {}, "443/tcp": {}, }, }, }, }, provider: &Provider{ Domain: "test", ExposedByDefault: true, }, expected: true, }, { container: docker.ContainerJSON{ ContainerJSONBase: &docker.ContainerJSONBase{ Name: "container", }, Config: &container.Config{ Labels: map[string]string{ label.TraefikEnable: "true", }, }, NetworkSettings: &docker.NetworkSettings{ NetworkSettingsBase: docker.NetworkSettingsBase{ Ports: nat.PortMap{ "80/tcp": {}, }, }, }, }, provider: &Provider{ Domain: "test", ExposedByDefault: true, }, expected: true, }, { container: docker.ContainerJSON{ ContainerJSONBase: &docker.ContainerJSONBase{ Name: "container", }, Config: &container.Config{ Labels: map[string]string{ label.TraefikEnable: "anything", }, }, NetworkSettings: &docker.NetworkSettings{ NetworkSettingsBase: docker.NetworkSettingsBase{ Ports: nat.PortMap{ "80/tcp": {}, }, }, }, }, provider: &Provider{ Domain: "test", ExposedByDefault: true, }, expected: true, }, { container: docker.ContainerJSON{ ContainerJSONBase: &docker.ContainerJSONBase{ Name: "container", }, Config: &container.Config{ Labels: map[string]string{ label.TraefikFrontendRule: "Host:foo.bar", }, }, NetworkSettings: &docker.NetworkSettings{ NetworkSettingsBase: docker.NetworkSettingsBase{ Ports: nat.PortMap{ "80/tcp": {}, }, }, }, }, provider: &Provider{ Domain: "test", ExposedByDefault: true, }, expected: true, }, { container: docker.ContainerJSON{ ContainerJSONBase: &docker.ContainerJSONBase{ Name: "container", }, Config: &container.Config{}, NetworkSettings: &docker.NetworkSettings{ NetworkSettingsBase: docker.NetworkSettingsBase{ Ports: nat.PortMap{ "80/tcp": {}, }, }, }, }, provider: &Provider{ Domain: "test", ExposedByDefault: false, }, expected: false, }, { container: docker.ContainerJSON{ ContainerJSONBase: &docker.ContainerJSONBase{ Name: "container", }, Config: &container.Config{ Labels: map[string]string{ label.TraefikEnable: "true", }, }, NetworkSettings: &docker.NetworkSettings{ NetworkSettingsBase: docker.NetworkSettingsBase{ Ports: nat.PortMap{ "80/tcp": {}, }, }, }, }, provider: &Provider{ Domain: "test", ExposedByDefault: false, }, expected: true, }, { container: docker.ContainerJSON{ ContainerJSONBase: &docker.ContainerJSONBase{ Name: "container", }, Config: &container.Config{ Labels: map[string]string{ label.TraefikEnable: "true", }, }, NetworkSettings: &docker.NetworkSettings{ NetworkSettingsBase: docker.NetworkSettingsBase{ Ports: nat.PortMap{ "80/tcp": {}, }, }, }, }, provider: &Provider{ ExposedByDefault: false, }, expected: false, }, { container: docker.ContainerJSON{ ContainerJSONBase: &docker.ContainerJSONBase{ Name: "container", }, Config: &container.Config{ Labels: map[string]string{ label.TraefikEnable: "true", label.TraefikFrontendRule: "Host:i.love.this.host", }, }, NetworkSettings: &docker.NetworkSettings{ NetworkSettingsBase: docker.NetworkSettingsBase{ Ports: nat.PortMap{ "80/tcp": {}, }, }, }, }, provider: &Provider{ ExposedByDefault: false, }, expected: true, }, } for containerID, test := range testCases { test := test t.Run(strconv.Itoa(containerID), func(t *testing.T) { t.Parallel() dData := parseContainer(test.container) actual := test.provider.containerFilter(dData) if actual != test.expected { t.Errorf("expected %v for %+v, got %+v", test.expected, test, actual) } }) } } func TestDockerGetFrontendName(t *testing.T) { testCases := []struct { container docker.ContainerJSON expected string }{ { container: containerJSON(name("foo")), expected: "Host-foo-docker-localhost-0", }, { container: containerJSON(labels(map[string]string{ label.TraefikFrontendRule: "Headers:User-Agent,bat/0.1.0", })), expected: "Headers-User-Agent-bat-0-1-0-0", }, { container: containerJSON(labels(map[string]string{ "com.docker.compose.project": "foo", "com.docker.compose.service": "bar", })), expected: "Host-bar-foo-docker-localhost-0", }, { container: containerJSON(labels(map[string]string{ label.TraefikFrontendRule: "Host:foo.bar", })), expected: "Host-foo-bar-0", }, { container: containerJSON(labels(map[string]string{ label.TraefikFrontendRule: "Path:/test", })), expected: "Path-test-0", }, { container: containerJSON(labels(map[string]string{ label.TraefikFrontendRule: "PathPrefix:/test2", })), expected: "PathPrefix-test2-0", }, } for containerID, test := range testCases { test := test t.Run(strconv.Itoa(containerID), func(t *testing.T) { t.Parallel() dData := parseContainer(test.container) segmentProperties := label.ExtractTraefikLabels(dData.Labels) dData.SegmentLabels = segmentProperties[""] provider := &Provider{ Domain: "docker.localhost", } actual := provider.getFrontendName(dData, 0) assert.Equal(t, test.expected, actual) }) } } func TestDockerGetFrontendRule(t *testing.T) { testCases := []struct { container docker.ContainerJSON expected string }{ { container: containerJSON(name("foo")), expected: "Host:foo.docker.localhost", }, { container: containerJSON(name("foo"), labels(map[string]string{ label.TraefikDomain: "traefik.localhost", })), expected: "Host:foo.traefik.localhost", }, { container: containerJSON(labels(map[string]string{ label.TraefikFrontendRule: "Host:foo.bar", })), expected: "Host:foo.bar", }, { container: containerJSON(labels(map[string]string{ "com.docker.compose.project": "foo", "com.docker.compose.service": "bar", })), expected: "Host:bar.foo.docker.localhost", }, { container: containerJSON(labels(map[string]string{ label.TraefikFrontendRule: "Path:/test", })), expected: "Path:/test", }, } for containerID, test := range testCases { test := test t.Run(strconv.Itoa(containerID), func(t *testing.T) { t.Parallel() dData := parseContainer(test.container) segmentProperties := label.ExtractTraefikLabels(dData.Labels) provider := &Provider{ Domain: "docker.localhost", } actual := provider.getFrontendRule(dData, segmentProperties[""]) assert.Equal(t, test.expected, actual) }) } } func TestDockerGetBackendName(t *testing.T) { testCases := []struct { container docker.ContainerJSON expected string }{ { container: containerJSON(name("foo")), expected: "foo", }, { container: containerJSON(name("bar")), expected: "bar", }, { container: containerJSON(labels(map[string]string{ label.TraefikBackend: "foobar", })), expected: "foobar", }, { container: containerJSON(labels(map[string]string{ "com.docker.compose.project": "foo", "com.docker.compose.service": "bar", })), expected: "bar-foo", }, } for containerID, test := range testCases { test := test t.Run(strconv.Itoa(containerID), func(t *testing.T) { t.Parallel() dData := parseContainer(test.container) segmentProperties := label.ExtractTraefikLabels(dData.Labels) dData.SegmentLabels = segmentProperties[""] actual := getBackendName(dData) assert.Equal(t, test.expected, actual) }) } } func TestDockerGetIPAddress(t *testing.T) { testCases := []struct { container docker.ContainerJSON expected string }{ { container: containerJSON(withNetwork("testnet", ipv4("10.11.12.13"))), expected: "10.11.12.13", }, { container: containerJSON( labels(map[string]string{ labelDockerNetwork: "testnet", }), withNetwork("testnet", ipv4("10.11.12.13")), ), expected: "10.11.12.13", }, { container: containerJSON( labels(map[string]string{ labelDockerNetwork: "testnet2", }), withNetwork("testnet", ipv4("10.11.12.13")), withNetwork("testnet2", ipv4("10.11.12.14")), ), expected: "10.11.12.14", }, { container: containerJSON( networkMode("host"), withNetwork("testnet", ipv4("10.11.12.13")), withNetwork("testnet2", ipv4("10.11.12.14")), ), expected: "127.0.0.1", }, { container: containerJSON( networkMode("host"), ), expected: "127.0.0.1", }, { container: containerJSON( networkMode("host"), nodeIP("10.0.0.5"), ), expected: "10.0.0.5", }, } for containerID, test := range testCases { test := test t.Run(strconv.Itoa(containerID), func(t *testing.T) { t.Parallel() dData := parseContainer(test.container) segmentProperties := label.ExtractTraefikLabels(dData.Labels) dData.SegmentLabels = segmentProperties[""] provider := &Provider{} actual := provider.getIPAddress(dData) assert.Equal(t, test.expected, actual) }) } } func TestDockerGetPort(t *testing.T) { testCases := []struct { container docker.ContainerJSON expected string }{ { container: containerJSON(name("foo")), expected: "", }, { container: containerJSON(ports(nat.PortMap{ "80/tcp": {}, })), expected: "80", }, { container: containerJSON(ports(nat.PortMap{ "80/tcp": {}, "443/tcp": {}, })), expected: "80", }, { container: containerJSON(labels(map[string]string{ label.TraefikPort: "8080", })), expected: "8080", }, { container: containerJSON(labels(map[string]string{ label.TraefikPort: "8080", }), ports(nat.PortMap{ "80/tcp": {}, })), expected: "8080", }, { container: containerJSON(labels(map[string]string{ label.TraefikPort: "8080", }), ports(nat.PortMap{ "8080/tcp": {}, "80/tcp": {}, })), expected: "8080", }, } for containerID, test := range testCases { test := test t.Run(strconv.Itoa(containerID), func(t *testing.T) { t.Parallel() dData := parseContainer(test.container) segmentProperties := label.ExtractTraefikLabels(dData.Labels) dData.SegmentLabels = segmentProperties[""] actual := getPort(dData) assert.Equal(t, test.expected, actual) }) } } func TestDockerGetServers(t *testing.T) { p := &Provider{} testCases := []struct { desc string containers []docker.ContainerJSON expected map[string]types.Server }{ { desc: "no container", expected: nil, }, { desc: "with a simple container", containers: []docker.ContainerJSON{ containerJSON( name("test1"), withNetwork("testnet", ipv4("10.10.10.10")), ports(nat.PortMap{ "80/tcp": {}, })), }, expected: map[string]types.Server{ "server-test1": { URL: "http://10.10.10.10:80", Weight: 1, }, }, }, { desc: "with several containers", containers: []docker.ContainerJSON{ containerJSON( name("test1"), withNetwork("testnet", ipv4("10.10.10.11")), ports(nat.PortMap{ "80/tcp": {}, })), containerJSON( name("test2"), withNetwork("testnet", ipv4("10.10.10.12")), ports(nat.PortMap{ "81/tcp": {}, })), containerJSON( name("test3"), withNetwork("testnet", ipv4("10.10.10.13")), ports(nat.PortMap{ "82/tcp": {}, })), }, expected: map[string]types.Server{ "server-test1": { URL: "http://10.10.10.11:80", Weight: 1, }, "server-test2": { URL: "http://10.10.10.12:81", Weight: 1, }, "server-test3": { URL: "http://10.10.10.13:82", Weight: 1, }, }, }, { desc: "ignore one container because no ip address", containers: []docker.ContainerJSON{ containerJSON( name("test1"), withNetwork("testnet", ipv4("")), ports(nat.PortMap{ "80/tcp": {}, })), containerJSON( name("test2"), withNetwork("testnet", ipv4("10.10.10.12")), ports(nat.PortMap{ "81/tcp": {}, })), containerJSON( name("test3"), withNetwork("testnet", ipv4("10.10.10.13")), ports(nat.PortMap{ "82/tcp": {}, })), }, expected: map[string]types.Server{ "server-test2": { URL: "http://10.10.10.12:81", Weight: 1, }, "server-test3": { URL: "http://10.10.10.13:82", Weight: 1, }, }, }, } for _, test := range testCases { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() var dockerDataList []dockerData for _, cont := range test.containers { dData := parseContainer(cont) dockerDataList = append(dockerDataList, dData) } servers := p.getServers(dockerDataList) assert.Equal(t, test.expected, servers) }) } }