package rancher import ( "testing" "time" "github.com/containous/flaeg" "github.com/containous/traefik/provider/label" "github.com/containous/traefik/types" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) func TestProviderBuildConfiguration(t *testing.T) { provider := &Provider{ Domain: "rancher.localhost", ExposedByDefault: true, } testCases := []struct { desc string services []rancherData expectedFrontends map[string]*types.Frontend expectedBackends map[string]*types.Backend }{ { desc: "without services", services: []rancherData{}, expectedFrontends: map[string]*types.Frontend{}, expectedBackends: map[string]*types.Backend{}, }, { desc: "when all labels are set", services: []rancherData{ { 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.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", }, Health: "healthy", Containers: []string{"10.0.0.1", "10.0.0.2"}, }, }, expectedFrontends: map[string]*types.Frontend{ "frontend-Host-traefik-io": { EntryPoints: []string{ "http", "https", }, Backend: "backend-foobar", Routes: map[string]types.Route{ "route-frontend-Host-traefik-io": { 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: "foobar", }, "bar": { Status: []string{"500", "600"}, Query: "bar_query", 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-0": { URL: "https://10.0.0.1:666", Weight: 12, }, "server-1": { URL: "https://10.0.0.2:666", 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", }, Buffering: &types.Buffering{ MaxResponseBodyBytes: 10485760, MemResponseBodyBytes: 2097152, MaxRequestBodyBytes: 10485760, MemRequestBodyBytes: 2097152, RetryExpression: "IsNetworkError() && Attempts() <= 2", }, }, }, }, { desc: "when all segment labels are set", services: []rancherData{ { Labels: map[string]string{ label.Prefix + "sauternes." + label.SuffixPort: "666", label.Prefix + "sauternes." + label.SuffixProtocol: "https", label.Prefix + "sauternes." + label.SuffixWeight: "12", label.Prefix + "sauternes." + label.SuffixFrontendRule: "Host:traefik.wtf", label.Prefix + "sauternes." + label.SuffixFrontendAuthBasic: "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0", label.Prefix + "sauternes." + label.SuffixFrontendEntryPoints: "http,https", label.Prefix + "sauternes." + label.SuffixFrontendPassHostHeader: "true", label.Prefix + "sauternes." + label.SuffixFrontendPassTLSCert: "true", label.Prefix + "sauternes." + label.SuffixFrontendPriority: "666", label.Prefix + "sauternes." + label.SuffixFrontendRedirectEntryPoint: "https", label.Prefix + "sauternes." + label.SuffixFrontendRedirectRegex: "nope", label.Prefix + "sauternes." + label.SuffixFrontendRedirectReplacement: "nope", label.Prefix + "sauternes." + label.SuffixFrontendRedirectPermanent: "true", label.Prefix + "sauternes." + label.SuffixFrontendWhiteListSourceRange: "10.10.10.10", label.Prefix + "sauternes." + label.SuffixFrontendWhiteListUseXForwardedFor: "true", label.Prefix + "sauternes." + label.SuffixFrontendRequestHeaders: "Access-Control-Allow-Methods:POST,GET,OPTIONS || Content-type: application/json; charset=utf-8", label.Prefix + "sauternes." + label.SuffixFrontendResponseHeaders: "Access-Control-Allow-Methods:POST,GET,OPTIONS || Content-type: application/json; charset=utf-8", label.Prefix + "sauternes." + label.SuffixFrontendHeadersSSLProxyHeaders: "Access-Control-Allow-Methods:POST,GET,OPTIONS || Content-type: application/json; charset=utf-8", label.Prefix + "sauternes." + label.SuffixFrontendHeadersAllowedHosts: "foo,bar,bor", label.Prefix + "sauternes." + label.SuffixFrontendHeadersHostsProxyHeaders: "foo,bar,bor", label.Prefix + "sauternes." + label.SuffixFrontendHeadersSSLHost: "foo", label.Prefix + "sauternes." + label.SuffixFrontendHeadersCustomFrameOptionsValue: "foo", label.Prefix + "sauternes." + label.SuffixFrontendHeadersContentSecurityPolicy: "foo", label.Prefix + "sauternes." + label.SuffixFrontendHeadersPublicKey: "foo", label.Prefix + "sauternes." + label.SuffixFrontendHeadersReferrerPolicy: "foo", label.Prefix + "sauternes." + label.SuffixFrontendHeadersCustomBrowserXSSValue: "foo", label.Prefix + "sauternes." + label.SuffixFrontendHeadersSTSSeconds: "666", label.Prefix + "sauternes." + label.SuffixFrontendHeadersSSLRedirect: "true", label.Prefix + "sauternes." + label.SuffixFrontendHeadersSSLTemporaryRedirect: "true", label.Prefix + "sauternes." + label.SuffixFrontendHeadersSTSIncludeSubdomains: "true", label.Prefix + "sauternes." + label.SuffixFrontendHeadersSTSPreload: "true", label.Prefix + "sauternes." + label.SuffixFrontendHeadersForceSTSHeader: "true", label.Prefix + "sauternes." + label.SuffixFrontendHeadersFrameDeny: "true", label.Prefix + "sauternes." + label.SuffixFrontendHeadersContentTypeNosniff: "true", label.Prefix + "sauternes." + label.SuffixFrontendHeadersBrowserXSSFilter: "true", label.Prefix + "sauternes." + label.SuffixFrontendHeadersIsDevelopment: "true", label.Prefix + "sauternes." + label.BaseFrontendErrorPage + "foo." + label.SuffixErrorPageStatus: "404", label.Prefix + "sauternes." + label.BaseFrontendErrorPage + "foo." + label.SuffixErrorPageBackend: "foobar", label.Prefix + "sauternes." + label.BaseFrontendErrorPage + "foo." + label.SuffixErrorPageQuery: "foo_query", label.Prefix + "sauternes." + label.BaseFrontendErrorPage + "bar." + label.SuffixErrorPageStatus: "500,600", label.Prefix + "sauternes." + label.BaseFrontendErrorPage + "bar." + label.SuffixErrorPageBackend: "foobar", label.Prefix + "sauternes." + label.BaseFrontendErrorPage + "bar." + label.SuffixErrorPageQuery: "bar_query", label.Prefix + "sauternes." + label.SuffixFrontendRateLimitExtractorFunc: "client.ip", label.Prefix + "sauternes." + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitPeriod: "6", label.Prefix + "sauternes." + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitAverage: "12", label.Prefix + "sauternes." + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitBurst: "18", label.Prefix + "sauternes." + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitPeriod: "3", label.Prefix + "sauternes." + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitAverage: "6", label.Prefix + "sauternes." + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitBurst: "9", }, Health: "healthy", Containers: []string{"10.0.0.1", "10.0.0.2"}, }, }, expectedFrontends: map[string]*types.Frontend{ "frontend-sauternes": { EntryPoints: []string{"http", "https"}, Backend: "backend-sauternes", Routes: map[string]types.Route{ "route-frontend-sauternes": { Rule: "Host:traefik.wtf", }, }, PassHostHeader: true, PassTLSCert: true, Priority: 666, BasicAuth: []string{ "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/", "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0", }, WhiteList: &types.WhiteList{ SourceRange: []string{ "10.10.10.10", }, UseXForwardedFor: true, }, Headers: &types.Headers{ CustomRequestHeaders: map[string]string{ "Access-Control-Allow-Methods": "POST,GET,OPTIONS", "Content-Type": "application/json; charset=utf-8", }, CustomResponseHeaders: map[string]string{ "Access-Control-Allow-Methods": "POST,GET,OPTIONS", "Content-Type": "application/json; charset=utf-8", }, AllowedHosts: []string{"foo", "bar", "bor"}, HostsProxyHeaders: []string{"foo", "bar", "bor"}, SSLRedirect: true, SSLTemporaryRedirect: true, SSLHost: "foo", SSLProxyHeaders: map[string]string{ "Access-Control-Allow-Methods": "POST,GET,OPTIONS", "Content-Type": "application/json; charset=utf-8", }, STSSeconds: 666, STSIncludeSubdomains: true, STSPreload: true, ForceSTSHeader: true, FrameDeny: true, CustomFrameOptionsValue: "foo", ContentTypeNosniff: true, BrowserXSSFilter: true, CustomBrowserXSSValue: "foo", ContentSecurityPolicy: "foo", PublicKey: "foo", ReferrerPolicy: "foo", IsDevelopment: true, }, Errors: map[string]*types.ErrorPage{ "bar": { Status: []string{"500", "600"}, Backend: "foobar", Query: "bar_query", }, "foo": { Status: []string{"404"}, Backend: "foobar", Query: "foo_query", }, }, RateLimit: &types.RateLimit{ ExtractorFunc: "client.ip", RateSet: map[string]*types.Rate{ "foo": { Period: flaeg.Duration(6 * time.Second), Average: 12, Burst: 18, }, "bar": { Period: flaeg.Duration(3 * time.Second), Average: 6, Burst: 9, }, }, }, Redirect: &types.Redirect{ EntryPoint: "https", Regex: "", Replacement: "", Permanent: true, }, }, }, expectedBackends: map[string]*types.Backend{ "backend-sauternes": { Servers: map[string]types.Server{ "server-0": { URL: "https://10.0.0.1:666", Weight: 12, }, "server-1": { URL: "https://10.0.0.2:666", Weight: 12, }, }, }, }, }, { desc: "with services", services: []rancherData{ { Name: "test/service", Labels: map[string]string{ label.TraefikPort: "80", label.TraefikFrontendAuthBasic: "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0", label.TraefikFrontendRedirectEntryPoint: "https", }, Health: "healthy", Containers: []string{"127.0.0.1"}, }, }, expectedFrontends: map[string]*types.Frontend{ "frontend-Host-test-service-rancher-localhost": { Backend: "backend-test-service", PassHostHeader: true, EntryPoints: []string{}, BasicAuth: []string{"test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/", "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"}, Priority: 0, Redirect: &types.Redirect{ EntryPoint: "https", }, Routes: map[string]types.Route{ "route-frontend-Host-test-service-rancher-localhost": { Rule: "Host:test.service.rancher.localhost", }, }, }, }, expectedBackends: map[string]*types.Backend{ "backend-test-service": { Servers: map[string]types.Server{ "server-0": { URL: "http://127.0.0.1:80", Weight: 0, }, }, CircuitBreaker: nil, }, }, }, } for _, test := range testCases { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() actualConfig := provider.buildConfiguration(test.services) require.NotNil(t, actualConfig) assert.EqualValues(t, test.expectedBackends, actualConfig.Backends) assert.EqualValues(t, test.expectedFrontends, actualConfig.Frontends) }) } } func TestProviderServiceFilter(t *testing.T) { provider := &Provider{ Domain: "rancher.localhost", EnableServiceHealthFilter: true, } constraint, _ := types.NewConstraint("tag==ch*se") provider.Constraints = types.Constraints{constraint} testCases := []struct { desc string service rancherData expected bool }{ { desc: "missing Port labels, don't respect constraint", service: rancherData{ Labels: map[string]string{ label.TraefikEnable: "true", }, Health: "healthy", State: "active", }, expected: false, }, { desc: "don't respect constraint", service: rancherData{ Labels: map[string]string{ label.TraefikPort: "80", label.TraefikEnable: "false", }, Health: "healthy", State: "active", }, expected: false, }, { desc: "unhealthy", service: rancherData{ Labels: map[string]string{ label.TraefikTags: "cheese", label.TraefikPort: "80", label.TraefikEnable: "true", }, Health: "unhealthy", State: "active", }, expected: false, }, { desc: "inactive", service: rancherData{ Labels: map[string]string{ label.TraefikTags: "not-cheesy", label.TraefikPort: "80", label.TraefikEnable: "true", }, Health: "healthy", State: "inactive", }, expected: false, }, { desc: "healthy & active, tag: cheese", service: rancherData{ Labels: map[string]string{ label.TraefikTags: "cheese", label.TraefikPort: "80", label.TraefikEnable: "true", }, Health: "healthy", State: "active", }, expected: true, }, { desc: "healthy & active, tag: chose", service: rancherData{ Labels: map[string]string{ label.TraefikTags: "chose", label.TraefikPort: "80", label.TraefikEnable: "true", }, Health: "healthy", State: "active", }, expected: true, }, { desc: "healthy & upgraded", service: rancherData{ Labels: map[string]string{ label.TraefikTags: "cheeeeese", label.TraefikPort: "80", label.TraefikEnable: "true", }, Health: "healthy", State: "upgraded", }, expected: true, }, } for _, test := range testCases { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() actual := provider.serviceFilter(test.service) assert.Equal(t, test.expected, actual) }) } } func TestContainerFilter(t *testing.T) { testCases := []struct { name string healthState string state string expected bool }{ { healthState: "unhealthy", state: "running", expected: false, }, { healthState: "healthy", state: "stopped", expected: false, }, { state: "stopped", expected: false, }, { healthState: "healthy", state: "running", expected: true, }, { healthState: "updating-healthy", state: "updating-running", expected: true, }, } for _, test := range testCases { test := test t.Run(test.healthState+" "+test.state, func(t *testing.T) { t.Parallel() actual := containerFilter(test.name, test.healthState, test.state) assert.Equal(t, test.expected, actual) }) } } func TestProviderGetFrontendName(t *testing.T) { provider := &Provider{Domain: "rancher.localhost"} testCases := []struct { desc string service rancherData expected string }{ { desc: "default", service: rancherData{ Name: "foo", }, expected: "Host-foo-rancher-localhost", }, { desc: "with Headers label", service: rancherData{ Name: "test-service", Labels: map[string]string{ label.TraefikFrontendRule: "Headers:User-Agent,bat/0.1.0", }, }, expected: "Headers-User-Agent-bat-0-1-0", }, { desc: "with Host label", service: rancherData{ Name: "test-service", Labels: map[string]string{ label.TraefikFrontendRule: "Host:foo.bar", }, }, expected: "Host-foo-bar", }, { desc: "with Path label", service: rancherData{ Name: "test-service", Labels: map[string]string{ label.TraefikFrontendRule: "Path:/test", }, }, expected: "Path-test", }, { desc: "with PathPrefix label", service: rancherData{ Name: "test-service", Labels: map[string]string{ label.TraefikFrontendRule: "PathPrefix:/test2", }, }, expected: "PathPrefix-test2", }, } for _, test := range testCases { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() segmentProperties := label.ExtractTraefikLabels(test.service.Labels) test.service.SegmentLabels = segmentProperties[""] actual := provider.getFrontendName(test.service) assert.Equal(t, test.expected, actual) }) } } func TestProviderGetFrontendRule(t *testing.T) { provider := &Provider{Domain: "rancher.localhost"} testCases := []struct { desc string service rancherData expected string }{ { desc: "host", service: rancherData{ Name: "foo", }, expected: "Host:foo.rancher.localhost", }, { desc: "host with /", service: rancherData{ Name: "foo/bar", }, expected: "Host:foo.bar.rancher.localhost", }, { desc: "with Host label", service: rancherData{ Name: "test-service", Labels: map[string]string{ label.TraefikFrontendRule: "Host:foo.bar.com", }, }, expected: "Host:foo.bar.com", }, { desc: "with Path label", service: rancherData{ Name: "test-service", Labels: map[string]string{ label.TraefikFrontendRule: "Path:/test", }, }, expected: "Path:/test", }, { desc: "with PathPrefix label", service: rancherData{ Name: "test-service", Labels: map[string]string{ label.TraefikFrontendRule: "PathPrefix:/test2", }, }, expected: "PathPrefix:/test2", }, } for _, test := range testCases { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() segmentProperties := label.ExtractTraefikLabels(test.service.Labels) test.service.SegmentLabels = segmentProperties[""] actual := provider.getFrontendRule(test.service.Name, test.service.SegmentLabels) assert.Equal(t, test.expected, actual) }) } } func TestGetBackendName(t *testing.T) { testCases := []struct { desc string service rancherData expected string }{ { desc: "without label", service: rancherData{ Name: "test-service", }, expected: "test-service", }, { desc: "with label", service: rancherData{ Name: "test-service", Labels: map[string]string{ label.TraefikBackend: "foobar", }, }, expected: "foobar", }, } for _, test := range testCases { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() segmentProperties := label.ExtractTraefikLabels(test.service.Labels) test.service.SegmentLabels = segmentProperties[""] actual := getBackendName(test.service) assert.Equal(t, test.expected, actual) }) } } func TestGetServers(t *testing.T) { testCases := []struct { desc string service rancherData expected map[string]types.Server }{ { desc: "should return nil when no server labels", service: rancherData{ Labels: map[string]string{}, Health: "healthy", State: "active", }, expected: nil, }, { desc: "should return nil when no server IPs", service: rancherData{ Labels: map[string]string{ label.TraefikWeight: "7", }, Containers: []string{}, Health: "healthy", State: "active", }, expected: nil, }, { desc: "should use default weight when invalid weight value", service: rancherData{ Labels: map[string]string{ label.TraefikWeight: "kls", }, Containers: []string{"10.10.10.0"}, Health: "healthy", State: "active", }, expected: map[string]types.Server{ "server-0": { URL: "http://10.10.10.0:", Weight: 0, }, }, }, { desc: "should return a map when configuration keys are defined", service: rancherData{ Labels: map[string]string{ label.TraefikWeight: "6", }, Containers: []string{"10.10.10.0", "10.10.10.1"}, Health: "healthy", State: "active", }, expected: map[string]types.Server{ "server-0": { URL: "http://10.10.10.0:", Weight: 6, }, "server-1": { URL: "http://10.10.10.1:", Weight: 6, }, }, }, } for _, test := range testCases { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() segmentProperties := label.ExtractTraefikLabels(test.service.Labels) test.service.SegmentLabels = segmentProperties[""] actual := getServers(test.service) assert.Equal(t, test.expected, actual) }) } }