Feature/dynamic logo from skin

assets/dev.txt

@@ -0,0 +1,6 @@
+██████╗ ███████╗██╗   ██╗
+██╔══██╗██╔════╝██║   ██║
+██║  ██║█████╗  ██║   ██║
+██║  ██║██╔══╝  ╚██╗ ██╔╝
+██████╔╝███████╗ ╚████╔╝ 
+╚═════╝ ╚══════╝  ╚═══╝  

assets/prod.txt

@@ -0,0 +1,6 @@
+██████╗ ██████╗  ██████╗ ██████╗ 
+██╔══██╗██╔══██╗██╔═══██╗██╔══██╗
+██████╔╝██████╔╝██║   ██║██║  ██║
+██╔═══╝ ██╔══██╗██║   ██║██║  ██║
+██║     ██║  ██║╚██████╔╝██████╔╝
+╚═╝     ╚═╝  ╚═╝ ╚═════╝ ╚═════╝ 

assets/rc.txt

@@ -0,0 +1,6 @@
+██████╗  ██████╗
+██╔══██╗██╔════╝
+██████╔╝██║     
+██╔══██╗██║     
+██║  ██║╚██████╗
+╚═╝  ╚═╝ ╚═════╝

assets/sandbox.txt

@@ -0,0 +1,6 @@
+ ██████╗██████╗ ██╗  ██╗
+██╔════╝██╔══██╗╚██╗██╔╝
+███████╗██████╔╝ ╚███╔╝ 
+╚════██║██╔══██╗ ██╔██╗ 
+██████╔╝██████╔╝██╔╝ ██╗
+╚═════╝ ╚═════╝ ╚═╝  ╚═╝

internal/config/json/schemas/skin.json

@@ -13,7 +13,8 @@
           "properties": {
             "fgColor": {"type": "string"},
             "bgColor": {"type": "string"},
-            "logoColor": {"type": "string"}
+            "logoColor": {"type": "string"},
+            "logoUrl": {"type": "string"}
           }
         },
         "prompt": {

internal/config/styles.go

@@ -84,13 +84,14 @@
 
 	// Body tracks body styles.
 	Body struct {
 		FgColor        Color `json:"fgColor" yaml:"fgColor"`
 		BgColor        Color `json:"bgColor" yaml:"bgColor"`
 		LogoColor      Color `json:"logoColor" yaml:"logoColor"`
 		LogoColorMsg   Color `json:"logoColorMsg" yaml:"logoColorMsg"`
 		LogoColorInfo  Color `json:"logoColorInfo" yaml:"logoColorInfo"`
 		LogoColorWarn  Color `json:"logoColorWarn" yaml:"logoColorWarn"`
 		LogoColorError Color `json:"logoColorError" yaml:"logoColorError"`
+		LogoUrl        string `json:"logoUrl" yaml:"logoUrl"`
 	}
 
 	// Dialog tracks dialog styles.
@@ -329,6 +330,7 @@
 		LogoColorInfo:  "green",
 		LogoColorWarn:  "mediumvioletred",
 		LogoColorError: "red",
+		LogoUrl:        "",
 	}
 }
 
@@ -554,6 +556,7 @@
 
 // Load K9s configuration from file.
 func (s *Styles) Load(path string) error {
+	s.K9s.Body.LogoUrl = ""
 	bb, err := os.ReadFile(path)
 	if err != nil {
 		return err

internal/ui/logo.go

@@ -55,6 +55,7 @@ func (l *Logo) StylesChanged(s *config.Styles) {
 	l.SetBackgroundColor(l.styles.BgColor())
 	l.status.SetBackgroundColor(l.styles.BgColor())
 	l.logo.SetBackgroundColor(l.styles.BgColor())
+	l.updateLogo()
 	l.refreshLogo(l.styles.Body().LogoColor)
 }
 
@@ -112,11 +113,15 @@ func (l *Logo) refreshLogo(c config.Color) {
 	}
 }
 
+func (l *Logo) updateLogo() {
+	GetLogo(l.styles.Body().LogoUrl)
+}
+
 func logo() *tview.TextView {
 	v := tview.NewTextView()
 	v.SetWordWrap(false)
 	v.SetWrap(false)
-	v.SetTextAlign(tview.AlignLeft)
+	v.SetTextAlign(tview.AlignCenter)
 	v.SetDynamicColors(true)
 
 	return v

internal/ui/splash.go

@@ -5,22 +5,20 @@
 
 import (
 	"fmt"
+	"io"
+	"log/slog"
+	"net/http"
+	"os"
 	"strings"
 
 	"github.com/derailed/k9s/internal/config"
 	"github.com/derailed/tview"
 )
 
 // LogoSmall K9s small log.
-var LogoSmall = []string{
-	` ____  __ ________       `,
-	`|    |/  /   __   \______`,
-	`|       /\____    /  ___/`,
-	`|    \   \  /    /\___  \`,
-	`|____|\__ \/____//____  /`,
-	`         \/           \/ `,
-}
+var LogoSmall []string
+
 
 // LogoBig K9s big logo for splash page.
 var LogoBig = []string{
 	` ____  __ ________        _______  ____     ___ `,
@@ -69,3 +67,74 @@
 func (s *Splash) layoutRev(t *tview.TextView, rev string, styles *config.Styles) {
 	fmt.Fprintf(t, "[%s::b]Revision [red::b]%s", styles.Body().FgColor, rev)
 }
+
+// function to get the logo []string from the LogoUrl
+// by making a request to the LogoUrl
+func GetLogo(logoUrl string) {
+	slog.Debug("Fetching logo from URL", slog.String("url", logoUrl))
+    defaultLogo := []string{
+        ` ____  __ ________       `,
+        `|    |/  /   __   \______`,
+        `|       /\____    /  ___/`,
+        `|    \   \  /    /\___  \`,
+        `|____|\__ \/____//____  /`,
+        `         \/           \/ `,
+    }
+
+    if logoUrl == "" {
+        LogoSmall = defaultLogo
+        return
+    }
+
+    if strings.HasPrefix(logoUrl, "file:") {
+        filePath := strings.TrimPrefix(logoUrl, "file:")
+        body, err := os.ReadFile(filePath)
+        if err != nil {
+            slog.Error("Error reading logo from file", slog.String("file", filePath), slog.Any("error", err))
+            LogoSmall = defaultLogo
+            return
+        }
+        logo := strings.Split(string(body), "\n")
+        // last line is empty, remove it
+        if len(logo) > 0 && logo[len(logo)-1] == "" {
+            logo = logo[:len(logo)-1]
+        }
+        slog.Debug("Successfully fetched logo from file", slog.String("file", filePath))
+        LogoSmall = logo
+        return
+    }
+
+    resp, err := http.Get(logoUrl)
+    if err != nil {
+        slog.Error("Error fetching logo from URL", slog.String("url", logoUrl), slog.Any("error", err))
+        LogoSmall = defaultLogo
+        return
+    }
+    defer func() {
+        if resp != nil {
+            resp.Body.Close()
+        }
+    }()
+
+    if resp.StatusCode != http.StatusOK {
+        slog.Error("Non-OK HTTP status", slog.String("status", resp.Status))
+        LogoSmall = defaultLogo
+        return
+    }
+
+    body, err := io.ReadAll(resp.Body)
+    if err != nil {
+        slog.Error("Error reading response body", slog.Any("error", err))
+        LogoSmall = defaultLogo
+        return
+    }
+
+    logo := strings.Split(string(body), "\n")
+    // last line is empty, remove it
+    if len(logo) > 0 && logo[len(logo)-1] == "" {
+        logo = logo[:len(logo)-1]
+    }
+    slog.Debug("Successfully fetched logo from URL", slog.String("url", logoUrl))
+    LogoSmall = logo
+}
+

internal/view/app.go

@@ -319,7 +319,7 @@ func (a *App) buildHeader() tview.Primitive {
 	header.AddItem(a.Menu(), 0, 1, false)
 
 	if a.showLogo {
-		header.AddItem(a.Logo(), 26, 1, false)
+		header.AddItem(a.Logo(), 40, 1, false)
 	}
 
 	return header