Remove server's support for .yaml based configuration (#183)

* Rename server's config flag to --config-dir

* .

* remove server --config completely

* .

* Delete mTLS test as config not supported

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Test
         env:
           CGO_ENABLED: 0
-        run: go test -v ./...
+        run: go test ./...
 
   test-shellcheck:
     name: Shellcheck

common/flags.go

@@ -32,7 +32,6 @@ var (
 	FlagCodecAuth                  = "codec-auth"
 	FlagCodecEndpoint              = "codec-endpoint"
 	FlagConcurrency                = "concurrency"
-	FlagConfig                     = "config"
 	FlagContextTimeout             = "context-timeout"
 	FlagCronSchedule               = "cron"
 	FlagDBPath                     = "db-filename"

server/commands.go

@@ -129,13 +129,6 @@ func NewServerCommands(defaultCfg *sconfig.Config) []*cli.Command {
 					EnvVars: nil,
 					Value:   nil,
 				},
-				&cli.StringFlag{
-					Name:    common.FlagConfig,
-					Aliases: []string{"c"},
-					Usage:   `Path to config directory.`,
-					EnvVars: []string{config.EnvKeyConfigDir},
-					Value:   "",
-				},
 				&cli.StringSliceFlag{
 					Name:  common.FlagDynamicConfigValue,
 					Usage: `Dynamic config value, as KEY=JSON_VALUE (string values need quotes).`,
@@ -170,13 +163,6 @@ func NewServerCommands(defaultCfg *sconfig.Config) []*cli.Command {
 					return cli.Exit(fmt.Sprintf("bad value %q passed for flag %q", c.String(common.FlagIP), common.FlagIP), 1)
 				}
 
-				if c.IsSet(common.FlagConfig) {
-					cfgPath := c.String(common.FlagConfig)
-					if _, err := os.Stat(cfgPath); os.IsNotExist(err) {
-						return cli.Exit(fmt.Sprintf("bad value %q passed for flag %q: file not found", c.String(common.FlagConfig), common.FlagConfig), 1)
-					}
-				}
-
 				return nil
 			},
 			Action: func(c *cli.Context) error {
@@ -210,20 +196,6 @@ func NewServerCommands(defaultCfg *sconfig.Config) []*cli.Command {
 				if err != nil {
 					return err
 				}
-
-				baseConfig := &config.Config{}
-				if c.IsSet(common.FlagConfig) {
-					// Temporal server requires a couple of persistence config values to
-					// be explicitly set or the config loading fails. While these are the
-					// same values used internally, they are overridden later anyways,
-					// they are just here to pass validation.
-					baseConfig.Persistence.DefaultStore = sconfig.PersistenceStoreName
-					baseConfig.Persistence.NumHistoryShards = 1
-					if err := config.Load("temporal", c.String(common.FlagConfig), "", &baseConfig); err != nil {
-						return err
-					}
-				}
-
 				interruptChan := make(chan interface{}, 1)
 				go func() {
 					if doneChan := c.Done(); doneChan != nil {
@@ -245,7 +217,7 @@ func NewServerCommands(defaultCfg *sconfig.Config) []*cli.Command {
 					WithUpstreamOptions(
 						temporal.InterruptOn(interruptChan),
 					),
-					WithBaseConfig(baseConfig),
+					WithBaseConfig(&config.Config{}),
 				}
 
 				if c.IsSet(common.FlagDBPath) {
@@ -267,11 +239,11 @@ func NewServerCommands(defaultCfg *sconfig.Config) []*cli.Command {
 						},
 					}
 
-					opt, err := newUIOption(uiBaseCfg, c.String(common.FlagConfig))
-
+					opt, err := newUIOption(uiBaseCfg)
 					if err != nil {
 						return err
 					}
+
 					if opt != nil {
 						opts = append(opts, opt)
 					}

server/ui.go

@@ -29,33 +29,11 @@ package server
 // This file should be the only one to import ui-server packages.
 // This is to avoid embedding the UI's static assets in the binary when the `headless` build tag is enabled.
 import (
-	"strings"
-
-	provider "github.com/temporalio/ui-server/v2/plugins/fs_config_provider"
 	uiserver "github.com/temporalio/ui-server/v2/server"
 	uiconfig "github.com/temporalio/ui-server/v2/server/config"
 	uiserveroptions "github.com/temporalio/ui-server/v2/server/server_options"
 )
 
-func newUIOption(c *uiconfig.Config, configDir string) (ServerOption, error) {
-	cfg, err := MergeWithConfigFile(
-		c,
-		configDir,
-	)
-	if err != nil {
-		return nil, err
-	}
-	return WithUI(uiserver.NewServer(uiserveroptions.WithConfigProvider(cfg))), nil
-}
-
-func MergeWithConfigFile(cfg *uiconfig.Config, configDir string) (*uiconfig.Config, error) {
-	if configDir != "" {
-		if err := provider.Load(configDir, cfg, "temporal-ui"); err != nil {
-			if !strings.HasPrefix(err.Error(), "no config files found") {
-				return nil, err
-			}
-		}
-	}
-
-	return cfg, nil
+func newUIOption(c *uiconfig.Config) (ServerOption, error) {
+	return WithUI(uiserver.NewServer(uiserveroptions.WithConfigProvider(c))), nil
 }

server/ui_test.go

@@ -33,55 +33,13 @@ import (
 )
 
 func TestNewUIConfig(t *testing.T) {
-	c := &uiconfig.Config{
+	cfg := &uiconfig.Config{
 		Host:                "localhost",
 		Port:                8233,
 		TemporalGRPCAddress: "localhost:7233",
 		EnableUI:            true,
 	}
-	cfg, err := MergeWithConfigFile(c, "")
-	if err != nil {
-		t.Errorf("cannot create config: %s", err)
-		return
-	}
-	if err = cfg.Validate(); err != nil {
-		t.Errorf("config not valid: %s", err)
-	}
-}
-
-func TestNewUIConfigWithMissingConfigFile(t *testing.T) {
-	c := &uiconfig.Config{
-		Host:                "localhost",
-		Port:                8233,
-		TemporalGRPCAddress: "localhost:7233",
-		EnableUI:            true,
-	}
-	cfg, err := MergeWithConfigFile(c, "wibble")
-	if err != nil {
-		t.Errorf("cannot create config: %s", err)
-		return
-	}
-	if err = cfg.Validate(); err != nil {
+	if err := cfg.Validate(); err != nil {
 		t.Errorf("config not valid: %s", err)
 	}
 }
-
-func TestNewUIConfigWithPresentConfigFile(t *testing.T) {
-	c := &uiconfig.Config{
-		Host:                "localhost",
-		Port:                8233,
-		TemporalGRPCAddress: "localhost:7233",
-		EnableUI:            true,
-	}
-	cfg, err := MergeWithConfigFile(c, "testdata")
-	if err != nil {
-		t.Errorf("cannot create config: %s", err)
-		return
-	}
-	if err = cfg.Validate(); err != nil {
-		t.Errorf("config not valid: %s", err)
-	}
-	if cfg.TLS.ServerName != "local.dev" {
-		t.Errorf("did not load expected config file")
-	}
-}