348 lines
9.9 KiB
Go
348 lines
9.9 KiB
Go
package file
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import (
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"context"
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"io"
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"os"
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"path/filepath"
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"strconv"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/traefik/traefik/v2/pkg/config/dynamic"
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"github.com/traefik/traefik/v2/pkg/safe"
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)
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type ProvideTestCase struct {
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desc string
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directoryPaths []string
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filePath string
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expectedNumRouter int
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expectedNumService int
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expectedNumTLSConf int
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expectedNumTLSOptions int
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}
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func TestTLSCertificateContent(t *testing.T) {
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tempDir := t.TempDir()
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fileTLS, err := createTempFile("./fixtures/toml/tls_file.cert", tempDir)
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require.NoError(t, err)
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fileTLSKey, err := createTempFile("./fixtures/toml/tls_file_key.cert", tempDir)
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require.NoError(t, err)
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fileConfig, err := os.CreateTemp(tempDir, "temp*.toml")
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require.NoError(t, err)
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content := `
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[[tls.certificates]]
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certFile = "` + fileTLS.Name() + `"
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keyFile = "` + fileTLSKey.Name() + `"
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[tls.options.default.clientAuth]
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caFiles = ["` + fileTLS.Name() + `"]
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[tls.stores.default.defaultCertificate]
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certFile = "` + fileTLS.Name() + `"
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keyFile = "` + fileTLSKey.Name() + `"
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[http.serversTransports.default]
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rootCAs = ["` + fileTLS.Name() + `"]
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[[http.serversTransports.default.certificates]]
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certFile = "` + fileTLS.Name() + `"
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keyFile = "` + fileTLSKey.Name() + `"
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`
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_, err = fileConfig.Write([]byte(content))
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require.NoError(t, err)
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provider := &Provider{}
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configuration, err := provider.loadFileConfig(context.Background(), fileConfig.Name(), true)
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require.NoError(t, err)
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require.Equal(t, "CONTENT", configuration.TLS.Certificates[0].Certificate.CertFile.String())
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require.Equal(t, "CONTENTKEY", configuration.TLS.Certificates[0].Certificate.KeyFile.String())
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require.Equal(t, "CONTENT", configuration.TLS.Options["default"].ClientAuth.CAFiles[0].String())
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require.Equal(t, "CONTENT", configuration.TLS.Stores["default"].DefaultCertificate.CertFile.String())
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require.Equal(t, "CONTENTKEY", configuration.TLS.Stores["default"].DefaultCertificate.KeyFile.String())
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require.Equal(t, "CONTENT", configuration.HTTP.ServersTransports["default"].Certificates[0].CertFile.String())
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require.Equal(t, "CONTENTKEY", configuration.HTTP.ServersTransports["default"].Certificates[0].KeyFile.String())
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require.Equal(t, "CONTENT", configuration.HTTP.ServersTransports["default"].RootCAs[0].String())
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}
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func TestErrorWhenEmptyConfig(t *testing.T) {
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provider := &Provider{}
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configChan := make(chan dynamic.Message)
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errorChan := make(chan struct{})
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go func() {
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err := provider.Provide(configChan, safe.NewPool(context.Background()))
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assert.Error(t, err)
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close(errorChan)
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}()
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timeout := time.After(time.Second)
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select {
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case <-configChan:
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t.Fatal("We should not receive config message")
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case <-timeout:
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t.Fatal("timeout while waiting for config")
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case <-errorChan:
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}
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}
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func TestProvideWithoutWatch(t *testing.T) {
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for _, test := range getTestCases() {
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t.Run(test.desc+" without watch", func(t *testing.T) {
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provider := createProvider(t, test, false)
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configChan := make(chan dynamic.Message)
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provider.DebugLogGeneratedTemplate = true
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go func() {
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err := provider.Provide(configChan, safe.NewPool(context.Background()))
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assert.NoError(t, err)
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}()
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timeout := time.After(time.Second)
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select {
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case conf := <-configChan:
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require.NotNil(t, conf.Configuration.HTTP)
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numServices := len(conf.Configuration.HTTP.Services) + len(conf.Configuration.TCP.Services) + len(conf.Configuration.UDP.Services)
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numRouters := len(conf.Configuration.HTTP.Routers) + len(conf.Configuration.TCP.Routers) + len(conf.Configuration.UDP.Routers)
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assert.Equal(t, test.expectedNumService, numServices)
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assert.Equal(t, test.expectedNumRouter, numRouters)
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require.NotNil(t, conf.Configuration.TLS)
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assert.Len(t, conf.Configuration.TLS.Certificates, test.expectedNumTLSConf)
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assert.Len(t, conf.Configuration.TLS.Options, test.expectedNumTLSOptions)
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case <-timeout:
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t.Errorf("timeout while waiting for config")
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}
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})
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}
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}
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func TestProvideWithWatch(t *testing.T) {
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for _, test := range getTestCases() {
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t.Run(test.desc+" with watch", func(t *testing.T) {
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provider := createProvider(t, test, true)
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configChan := make(chan dynamic.Message)
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go func() {
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err := provider.Provide(configChan, safe.NewPool(context.Background()))
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assert.NoError(t, err)
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}()
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timeout := time.After(time.Second)
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select {
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case conf := <-configChan:
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require.NotNil(t, conf.Configuration.HTTP)
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numServices := len(conf.Configuration.HTTP.Services) + len(conf.Configuration.TCP.Services) + len(conf.Configuration.UDP.Services)
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numRouters := len(conf.Configuration.HTTP.Routers) + len(conf.Configuration.TCP.Routers) + len(conf.Configuration.UDP.Routers)
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assert.Equal(t, numServices, 0)
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assert.Equal(t, numRouters, 0)
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require.NotNil(t, conf.Configuration.TLS)
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assert.Len(t, conf.Configuration.TLS.Certificates, 0)
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case <-timeout:
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t.Errorf("timeout while waiting for config")
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}
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if len(test.filePath) > 0 {
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err := copyFile(test.filePath, provider.Filename)
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require.NoError(t, err)
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}
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if len(test.directoryPaths) > 0 {
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for i, filePath := range test.directoryPaths {
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err := copyFile(filePath, filepath.Join(provider.Directory, strconv.Itoa(i)+filepath.Ext(filePath)))
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require.NoError(t, err)
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}
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}
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timeout = time.After(1 * time.Second)
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var numUpdates, numServices, numRouters, numTLSConfs int
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for {
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select {
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case conf := <-configChan:
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numUpdates++
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numServices = len(conf.Configuration.HTTP.Services) + len(conf.Configuration.TCP.Services) + len(conf.Configuration.UDP.Services)
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numRouters = len(conf.Configuration.HTTP.Routers) + len(conf.Configuration.TCP.Routers) + len(conf.Configuration.UDP.Routers)
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numTLSConfs = len(conf.Configuration.TLS.Certificates)
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t.Logf("received update #%d: services %d/%d, routers %d/%d, TLS configs %d/%d", numUpdates, numServices, test.expectedNumService, numRouters, test.expectedNumRouter, numTLSConfs, test.expectedNumTLSConf)
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if numServices == test.expectedNumService && numRouters == test.expectedNumRouter && numTLSConfs == test.expectedNumTLSConf {
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return
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}
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case <-timeout:
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t.Fatal("timeout while waiting for config")
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}
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}
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})
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}
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}
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func getTestCases() []ProvideTestCase {
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return []ProvideTestCase{
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{
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desc: "simple file",
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filePath: "./fixtures/toml/simple_file_01.toml",
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expectedNumRouter: 3,
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expectedNumService: 6,
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expectedNumTLSConf: 5,
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},
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{
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desc: "simple file with tcp and udp",
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filePath: "./fixtures/toml/simple_file_02.toml",
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expectedNumRouter: 5,
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expectedNumService: 8,
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expectedNumTLSConf: 5,
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},
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{
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desc: "simple file yaml",
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filePath: "./fixtures/yaml/simple_file_01.yml",
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expectedNumRouter: 3,
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expectedNumService: 6,
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expectedNumTLSConf: 5,
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},
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{
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desc: "template file",
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filePath: "./fixtures/toml/template_file.toml",
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expectedNumRouter: 20,
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},
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{
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desc: "template file yaml",
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filePath: "./fixtures/yaml/template_file.yml",
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expectedNumRouter: 20,
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},
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{
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desc: "simple directory",
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directoryPaths: []string{
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"./fixtures/toml/dir01_file01.toml",
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"./fixtures/toml/dir01_file02.toml",
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"./fixtures/toml/dir01_file03.toml",
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},
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expectedNumRouter: 2,
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expectedNumService: 3,
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expectedNumTLSConf: 4,
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expectedNumTLSOptions: 1,
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},
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{
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desc: "simple directory yaml",
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directoryPaths: []string{
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"./fixtures/yaml/dir01_file01.yml",
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"./fixtures/yaml/dir01_file02.yml",
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"./fixtures/yaml/dir01_file03.yml",
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},
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expectedNumRouter: 2,
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expectedNumService: 3,
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expectedNumTLSConf: 4,
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expectedNumTLSOptions: 1,
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},
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{
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desc: "template in directory",
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directoryPaths: []string{
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"./fixtures/toml/template_in_directory_file01.toml",
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"./fixtures/toml/template_in_directory_file02.toml",
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},
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expectedNumRouter: 20,
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expectedNumService: 20,
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},
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{
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desc: "template in directory yaml",
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directoryPaths: []string{
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"./fixtures/yaml/template_in_directory_file01.yml",
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"./fixtures/yaml/template_in_directory_file02.yml",
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},
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expectedNumRouter: 20,
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expectedNumService: 20,
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},
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{
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desc: "simple file with empty store yaml",
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filePath: "./fixtures/yaml/simple_empty_store.yml",
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expectedNumRouter: 0,
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expectedNumService: 0,
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expectedNumTLSConf: 0,
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},
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}
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}
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func createProvider(t *testing.T, test ProvideTestCase, watch bool) *Provider {
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t.Helper()
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tempDir := t.TempDir()
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provider := &Provider{}
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provider.Watch = true
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if len(test.directoryPaths) > 0 {
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if !watch {
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for _, filePath := range test.directoryPaths {
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var err error
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_, err = createTempFile(filePath, tempDir)
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require.NoError(t, err)
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}
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}
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provider.Directory = tempDir
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}
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if len(test.filePath) > 0 {
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var file *os.File
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if watch {
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var err error
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file, err = os.CreateTemp(tempDir, "temp*"+filepath.Ext(test.filePath))
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require.NoError(t, err)
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} else {
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var err error
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file, err = createTempFile(test.filePath, tempDir)
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require.NoError(t, err)
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}
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provider.Filename = file.Name()
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}
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t.Cleanup(func() {
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os.RemoveAll(tempDir)
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})
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return provider
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}
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func copyFile(srcPath, dstPath string) error {
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dst, err := os.OpenFile(dstPath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0o666)
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if err != nil {
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return err
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}
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defer dst.Close()
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src, err := os.Open(srcPath)
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if err != nil {
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return err
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}
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defer src.Close()
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_, err = io.Copy(dst, src)
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return err
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}
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func createTempFile(srcPath, tempDir string) (*os.File, error) {
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file, err := os.CreateTemp(tempDir, "temp*"+filepath.Ext(srcPath))
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if err != nil {
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return nil, err
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}
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defer file.Close()
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src, err := os.Open(srcPath)
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if err != nil {
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return nil, err
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}
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defer src.Close()
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_, err = io.Copy(file, src)
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return file, err
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}
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