(feature): add support for reading dashboard configuration from YAML

Signed-off-by: Bryce Palmer <everettraven@gmail.com>

README.md

@@ -42,7 +42,9 @@ kind create cluster
 
 The `test.json` file contains samples for each of the different panel types that `buoy` currently supports. As this is a hobby project very early in the development cycle there are some limitations and things are bound to not work as expected.
 
-`buoy` uses https://github.com/tidwall/gjson for the path evaluation and extracting of values from resources. Please consult their documentation for valid path syntax
+`test.yaml` results in the exact same dashboard as `test.json` and exists to show YAML support.
+
+`buoy` uses https://github.com/tidwall/gjson for the path evaluation and extracting of values from resources. Please consult their documentation for valid path syntax.
 
 ## Controls
 - `ctrl+c`, `q`, `esc` will quit the program and exit the tui

internal/cli/root.go

@@ -5,13 +5,15 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"path/filepath"
 
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/everettraven/buoy/pkg/charm/models"
 	"github.com/everettraven/buoy/pkg/paneler"
 	"github.com/everettraven/buoy/pkg/types"
 	"github.com/spf13/cobra"
 	"sigs.k8s.io/controller-runtime/pkg/client/config"
+	"sigs.k8s.io/yaml"
 )
 
 var rootCommand = &cobra.Command{
@@ -28,13 +30,19 @@ func init() {
 }
 
 func run(file string) error {
-	rawJson, err := os.ReadFile(file)
+	ext := filepath.Ext(file)
+	raw, err := os.ReadFile(file)
 	if err != nil {
 		log.Fatalf("reading file: %s", err)
 	}
 
+	fmt.Println(ext)
 	dash := &types.Dashboard{}
-	err = json.Unmarshal(rawJson, dash)
+	if ext == ".yaml" {
+		err = yaml.Unmarshal(raw, dash)
+	} else {
+		err = json.Unmarshal(raw, dash)
+	}
 	if err != nil {
 		log.Fatalf("unmarshalling dashboard: %s", err)
 	}

pkg/types/panels.go

@@ -13,16 +13,16 @@ const (
 )
 
 type PanelBase struct {
-	Name    string `json:"name"`
-	Group   string `json:"group"`
-	Version string `json:"version"`
-	Kind    string `json:"kind"`
-	Type    string `json:"type"`
+	Name    string `json:"name" yaml:"name"`
+	Group   string `json:"group" yaml:"group"`
+	Version string `json:"version" yaml:"version"`
+	Kind    string `json:"kind" yaml:"kind"`
+	Type    string `json:"type" yaml:"type"`
 }
 
 type Panel struct {
 	PanelBase
-	Blob json.RawMessage `json:"blob"`
+	Blob json.RawMessage `json:"blob" yaml:"blob"`
 }
 
 func (p *Panel) UnmarshalJSON(data []byte) error {
@@ -37,24 +37,24 @@ func (p *Panel) UnmarshalJSON(data []byte) error {
 
 type Table struct {
 	PanelBase
-	Columns       []Column          `json:"columns"`
-	Namespace     string            `json:"namespace"`
-	LabelSelector map[string]string `json:"labelSelector"`
+	Columns       []Column          `json:"columns" yaml:"columns"`
+	Namespace     string            `json:"namespace" yaml:"namespace"`
+	LabelSelector map[string]string `json:"labelSelector" yaml:"labelSelector"`
 }
 
 type Column struct {
-	Header string `json:"header"`
-	Width  int    `json:"width"`
-	Path   string `json:"path"`
+	Header string `json:"header" yaml:"header"`
+	Width  int    `json:"width" yaml:"width"`
+	Path   string `json:"path" yaml:"path"`
 }
 
 type Item struct {
 	PanelBase
-	Key types.NamespacedName
+	Key types.NamespacedName `json:"key" yaml:"key"`
 }
 
 type Logs struct {
 	PanelBase
-	Key       types.NamespacedName
-	Container string `json:"container"`
+	Key       types.NamespacedName `json:"key" yaml:"key"`
+	Container string               `json:"container" yaml:"container"`
 }

pkg/types/types.go

@@ -1,5 +1,5 @@
 package types
 
 type Dashboard struct {
-	Panels []Panel `json:"panels"`
+	Panels []Panel `json:"panels" yaml:"panels"`
 }