474 lines
11 KiB
Go
474 lines
11 KiB
Go
package provider
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import (
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"io/ioutil"
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"os"
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"strings"
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"testing"
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"text/template"
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"github.com/containous/traefik/types"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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type myProvider struct {
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BaseProvider
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TLS *types.ClientTLS
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}
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func (p *myProvider) Foo() string {
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return "bar"
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}
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func TestConfigurationErrors(t *testing.T) {
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templateErrorFile, err := ioutil.TempFile("", "provider-configuration-error")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(templateErrorFile.Name())
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data := []byte("Not a valid template {{ Bar }}")
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err = ioutil.WriteFile(templateErrorFile.Name(), data, 0700)
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if err != nil {
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t.Fatal(err)
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}
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templateInvalidTOMLFile, err := ioutil.TempFile("", "provider-configuration-error")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(templateInvalidTOMLFile.Name())
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data = []byte(`Hello {{ .Name }}
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{{ Foo }}`)
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err = ioutil.WriteFile(templateInvalidTOMLFile.Name(), data, 0700)
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if err != nil {
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t.Fatal(err)
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}
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invalids := []struct {
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provider *myProvider
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defaultTemplate string
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expectedError string
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funcMap template.FuncMap
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templateObjects interface{}
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}{
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{
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provider: &myProvider{
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BaseProvider{
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Filename: "/non/existent/template.tmpl",
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},
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nil,
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},
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expectedError: "open /non/existent/template.tmpl: no such file or directory",
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},
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{
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provider: &myProvider{},
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defaultTemplate: "non/existent/template.tmpl",
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expectedError: "Asset non/existent/template.tmpl not found",
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},
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{
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provider: &myProvider{
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BaseProvider{
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Filename: templateErrorFile.Name(),
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},
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nil,
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},
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expectedError: `function "Bar" not defined`,
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},
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{
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provider: &myProvider{
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BaseProvider{
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Filename: templateInvalidTOMLFile.Name(),
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},
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nil,
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},
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expectedError: "Near line 1 (last key parsed 'Hello'): expected key separator '=', but got '<' instead",
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funcMap: template.FuncMap{
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"Foo": func() string {
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return "bar"
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},
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},
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templateObjects: struct{ Name string }{Name: "bar"},
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},
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}
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for _, invalid := range invalids {
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configuration, err := invalid.provider.GetConfiguration(invalid.defaultTemplate, invalid.funcMap, nil)
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if err == nil || !strings.Contains(err.Error(), invalid.expectedError) {
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t.Fatalf("should have generate an error with %q, got %v", invalid.expectedError, err)
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}
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if configuration != nil {
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t.Fatalf("shouldn't have return a configuration object : %v", configuration)
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}
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}
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}
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func TestGetConfiguration(t *testing.T) {
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templateFile, err := ioutil.TempFile("", "provider-configuration")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(templateFile.Name())
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data := []byte(`[backends]
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[backends.backend1]
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[backends.backend1.circuitbreaker]
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expression = "NetworkErrorRatio() > 0.5"
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[backends.backend1.servers.server1]
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url = "http://172.17.0.2:80"
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weight = 10
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[backends.backend1.servers.server2]
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url = "http://172.17.0.3:80"
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weight = 1
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[frontends]
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[frontends.frontend1]
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backend = "backend1"
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passHostHeader = true
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[frontends.frontend11.routes.test_2]
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rule = "Path"
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value = "/test"`)
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err = ioutil.WriteFile(templateFile.Name(), data, 0700)
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if err != nil {
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t.Fatal(err)
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}
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provider := &myProvider{
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BaseProvider{
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Filename: templateFile.Name(),
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},
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nil,
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}
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configuration, err := provider.GetConfiguration(templateFile.Name(), nil, nil)
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if err != nil {
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t.Fatalf("Shouldn't have error out, got %v", err)
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}
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if configuration == nil {
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t.Fatal("Configuration should not be nil, but was")
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}
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}
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func TestGetConfigurationReturnsCorrectMaxConnConfiguration(t *testing.T) {
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templateFile, err := ioutil.TempFile("", "provider-configuration")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(templateFile.Name())
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data := []byte(`[backends]
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[backends.backend1]
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[backends.backend1.maxconn]
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amount = 10
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extractorFunc = "request.host"`)
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err = ioutil.WriteFile(templateFile.Name(), data, 0700)
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if err != nil {
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t.Fatal(err)
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}
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provider := &myProvider{
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BaseProvider{
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Filename: templateFile.Name(),
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},
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nil,
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}
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configuration, err := provider.GetConfiguration(templateFile.Name(), nil, nil)
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if err != nil {
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t.Fatalf("Shouldn't have error out, got %v", err)
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}
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if configuration == nil {
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t.Fatal("Configuration should not be nil, but was")
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}
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if configuration.Backends["backend1"].MaxConn.Amount != 10 {
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t.Fatal("Configuration did not parse MaxConn.Amount properly")
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}
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if configuration.Backends["backend1"].MaxConn.ExtractorFunc != "request.host" {
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t.Fatal("Configuration did not parse MaxConn.ExtractorFunc properly")
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}
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}
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func TestNilClientTLS(t *testing.T) {
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provider := &myProvider{
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BaseProvider{
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Filename: "",
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},
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nil,
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}
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_, err := provider.TLS.CreateTLSConfig()
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if err != nil {
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t.Fatal("CreateTLSConfig should assume that consumer does not want a TLS configuration if input is nil")
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}
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}
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func TestInsecureSkipVerifyClientTLS(t *testing.T) {
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provider := &myProvider{
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BaseProvider{
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Filename: "",
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},
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&types.ClientTLS{
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InsecureSkipVerify: true,
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},
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}
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config, err := provider.TLS.CreateTLSConfig()
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if err != nil {
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t.Fatal("CreateTLSConfig should assume that consumer does not want a TLS configuration if input is nil")
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}
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if !config.InsecureSkipVerify {
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t.Fatal("CreateTLSConfig should support setting only InsecureSkipVerify property")
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}
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}
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func TestInsecureSkipVerifyFalseClientTLS(t *testing.T) {
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provider := &myProvider{
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BaseProvider{
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Filename: "",
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},
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&types.ClientTLS{
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InsecureSkipVerify: false,
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},
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}
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_, err := provider.TLS.CreateTLSConfig()
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if err == nil {
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t.Fatal("CreateTLSConfig should error if consumer does not set a TLS cert or key configuration and not chooses InsecureSkipVerify to be true")
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}
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t.Log(err)
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}
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func TestMatchingConstraints(t *testing.T) {
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cases := []struct {
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constraints types.Constraints
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tags []string
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expected bool
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}{
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// simple test: must match
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{
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constraints: types.Constraints{
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{
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Key: "tag",
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MustMatch: true,
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Regex: "us-east-1",
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},
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},
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tags: []string{
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"us-east-1",
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},
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expected: true,
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},
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// simple test: must match but does not match
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{
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constraints: types.Constraints{
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{
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Key: "tag",
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MustMatch: true,
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Regex: "us-east-1",
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},
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},
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tags: []string{
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"us-east-2",
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},
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expected: false,
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},
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// simple test: must not match
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{
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constraints: types.Constraints{
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{
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Key: "tag",
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MustMatch: false,
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Regex: "us-east-1",
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},
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},
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tags: []string{
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"us-east-1",
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},
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expected: false,
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},
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// complex test: globbing
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{
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constraints: types.Constraints{
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{
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Key: "tag",
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MustMatch: true,
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Regex: "us-east-*",
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},
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},
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tags: []string{
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"us-east-1",
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},
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expected: true,
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},
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// complex test: multiple constraints
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{
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constraints: types.Constraints{
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{
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Key: "tag",
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MustMatch: true,
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Regex: "us-east-*",
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},
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{
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Key: "tag",
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MustMatch: false,
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Regex: "api",
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},
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},
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tags: []string{
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"api",
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"us-east-1",
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},
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expected: false,
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},
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}
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for i, c := range cases {
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provider := myProvider{
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BaseProvider{
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Constraints: c.constraints,
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},
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nil,
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}
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actual, _ := provider.MatchConstraints(c.tags)
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if actual != c.expected {
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t.Fatalf("test #%v: expected %t, got %t, for %#v", i, c.expected, actual, c.constraints)
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}
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}
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}
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func TestDefaultFuncMap(t *testing.T) {
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templateFile, err := ioutil.TempFile("", "provider-configuration")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(templateFile.Name())
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data := []byte(`
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[backends]
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[backends.{{ "backend-1" | replace "-" "" }}]
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[backends.{{ "BACKEND1" | tolower }}.circuitbreaker]
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expression = "NetworkErrorRatio() > 0.5"
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[backends.servers.server1]
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url = "http://172.17.0.2:80"
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weight = 10
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[backends.backend1.servers.server2]
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url = "http://172.17.0.3:80"
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weight = 1
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[frontends]
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[frontends.{{normalize "frontend/1"}}]
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{{ $backend := "backend1/test/value" | split "/" }}
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{{ $backendid := index $backend 1 }}
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{{ if "backend1" | contains "backend" }}
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backend = "backend1"
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{{end}}
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passHostHeader = true
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[frontends.frontend-1.routes.test_2]
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rule = "Path"
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value = "/test"`)
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err = ioutil.WriteFile(templateFile.Name(), data, 0700)
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if err != nil {
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t.Fatal(err)
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}
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provider := &myProvider{
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BaseProvider{
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Filename: templateFile.Name(),
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},
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nil,
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}
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configuration, err := provider.GetConfiguration(templateFile.Name(), nil, nil)
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if err != nil {
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t.Fatalf("Shouldn't have error out, got %v", err)
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}
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if configuration == nil {
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t.Fatal("Configuration should not be nil, but was")
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}
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if _, ok := configuration.Backends["backend1"]; !ok {
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t.Fatal("backend1 should exists, but it not")
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}
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if _, ok := configuration.Frontends["frontend-1"]; !ok {
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t.Fatal("Frontend frontend-1 should exists, but it not")
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}
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}
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func TestSprigFunctions(t *testing.T) {
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templateFile, err := ioutil.TempFile("", "provider-configuration")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(templateFile.Name())
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data := []byte(`
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{{$backend_name := trimAll "-" uuidv4}}
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[backends]
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[backends.{{$backend_name}}]
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[backends.{{$backend_name}}.circuitbreaker]
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[backends.{{$backend_name}}.servers.server2]
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url = "http://172.17.0.3:80"
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weight = 1
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[frontends]
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[frontends.{{normalize "frontend/1"}}]
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backend = "{{$backend_name}}"
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passHostHeader = true
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[frontends.frontend-1.routes.test_2]
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rule = "Path"
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value = "/test"`)
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err = ioutil.WriteFile(templateFile.Name(), data, 0700)
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if err != nil {
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t.Fatal(err)
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}
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provider := &myProvider{
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BaseProvider{
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Filename: templateFile.Name(),
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},
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nil,
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}
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configuration, err := provider.GetConfiguration(templateFile.Name(), nil, nil)
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if err != nil {
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t.Fatalf("Shouldn't have error out, got %v", err)
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}
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if configuration == nil {
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t.Fatal("Configuration should not be nil, but was")
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}
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if len(configuration.Backends) != 1 {
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t.Fatal("one backend should be defined, but it's not")
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}
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if _, ok := configuration.Frontends["frontend-1"]; !ok {
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t.Fatal("Frontend frontend-1 should exists, but it not")
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}
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}
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func TestBaseProvider_GetConfiguration(t *testing.T) {
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baseProvider := BaseProvider{}
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testCases := []struct {
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name string
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defaultTemplateFile string
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expectedContent string
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}{
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{
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defaultTemplateFile: "templates/docker.tmpl",
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expectedContent: readTemplateFile(t, "./../templates/docker.tmpl"),
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},
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{
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defaultTemplateFile: `template content`,
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expectedContent: `template content`,
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},
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}
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for _, test := range testCases {
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test := test
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t.Run(test.name, func(t *testing.T) {
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content, err := baseProvider.getTemplateContent(test.defaultTemplateFile)
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require.NoError(t, err)
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assert.Equal(t, test.expectedContent, content)
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})
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}
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}
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func readTemplateFile(t *testing.T, path string) string {
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t.Helper()
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expectedContent, err := ioutil.ReadFile(path)
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if err != nil {
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t.Fatal(err)
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}
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return string(expectedContent)
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}
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