add config profile support

Signed-off-by: Alex Goodman <[email protected]>

development.go

@@ -8,15 +8,15 @@ import (
 )
 
 const (
-	ProfileCPU        Profile = "cpu"
-	ProfileMem        Profile = "mem"
-	ProfilingDisabled Profile = "none"
+	ProfileCPU        ProfileResource = "cpu"
+	ProfileMem        ProfileResource = "mem"
+	ProfilingDisabled ProfileResource = "none"
 )
 
-type Profile string
+type ProfileResource string
 
 type DevelopmentConfig struct {
-	Profile Profile `yaml:"profile" json:"profile" mapstructure:"profile"`
+	Profile ProfileResource `yaml:"profile" json:"profile" mapstructure:"profile"`
 }
 
 func (d *DevelopmentConfig) DescribeFields(set fangs.FieldDescriptionSet) {
@@ -32,7 +32,7 @@ func (d *DevelopmentConfig) PostLoad() error {
 	return nil
 }
 
-func parseProfile(profile string) Profile {
+func parseProfile(profile string) ProfileResource {
 	switch strings.ToLower(profile) {
 	case "cpu":
 		return ProfileCPU

development_test.go

@@ -11,7 +11,7 @@ func Test_parseProfile(t *testing.T) {
 	tests := []struct {
 		name    string
 		profile string
-		want    Profile
+		want    ProfileResource
 	}{
 		{
 			name:    "empty",

setup_config.go

@@ -1,6 +1,10 @@
 package clio
 
 import (
+	"fmt"
+	"os"
+	"path/filepath"
+
 	"github.com/wagoodman/go-partybus"
 
 	"github.com/anchore/fangs"
@@ -75,6 +79,31 @@ func (c *SetupConfig) WithConfigFinders(finders ...fangs.Finder) *SetupConfig {
 	return c
 }
 
+func (c *SetupConfig) WithConfigProfile() *SetupConfig {
+	c.FangsConfig = c.FangsConfig.WithProfileEnvVar()
+	c.FangsConfig.Finders = append([]fangs.Finder{func(cfg fangs.Config) ([]string, error) {
+		if cfg.Profile == "" {
+			return nil, nil
+		}
+		file := filepath.Join("."+cfg.AppName, cfg.Profile+".yaml")
+
+		// if path does not exist, return error
+		if _, err := os.Stat(file); os.IsNotExist(err) {
+			return nil, fmt.Errorf("config file not found: %s", file)
+		}
+
+		return []string{file}, nil
+	}}, c.FangsConfig.Finders...)
+
+	c.Initializers = append(c.Initializers, func(state *State) error {
+		if c.FangsConfig.Profile != "" {
+			state.Logger.Infof("Using config profile: %q", c.FangsConfig.Profile)
+		}
+		return nil
+	})
+	return c
+}
+
 func (c *SetupConfig) WithDevelopmentConfig(cfg DevelopmentConfig) *SetupConfig {
 	c.DefaultDevelopmentConfig = &cfg
 	return c