web: added update notification on web-ui

Signed-off-by: Ejub Sabic <ejub1946@outlook.com>

src/confd/yang/confd/infix-system-software.yang

@@ -95,7 +95,7 @@ submodule infix-system-software {
 
       container check-update {
         description
-          "Policy for automatic firmware update checks.
+          "Policy for automatic software update checks.
 
            When 'enabled' and 'schedule' references a schedule, the system
            checks the configured URL for a newer release on each occurrence

src/webui/internal/handlers/dashboard.go

@@ -11,7 +11,9 @@ import (
 	"math"
 	"net"
 	"net/http"
+	"os"
 	"os/exec"
+	"regexp"
 	"strconv"
 	"strings"
 	"sync"
@@ -199,15 +201,15 @@ type hardwareWrapper struct {
 }
 
 type hwComponentJSON struct {
-	Name        string         `json:"name"`
-	Class       string         `json:"class"`
-	Description string         `json:"description"`
-	Parent      string         `json:"parent"`
-	MfgName     string         `json:"mfg-name"`
-	ModelName   string         `json:"model-name"`
-	SerialNum   string         `json:"serial-num"`
-	HardwareRev string         `json:"hardware-rev"`
-	PhysAddress string         `json:"infix-hardware:phys-address"`
+	Name        string           `json:"name"`
+	Class       string           `json:"class"`
+	Description string           `json:"description"`
+	Parent      string           `json:"parent"`
+	MfgName     string           `json:"mfg-name"`
+	ModelName   string           `json:"model-name"`
+	SerialNum   string           `json:"serial-num"`
+	HardwareRev string           `json:"hardware-rev"`
+	PhysAddress string           `json:"infix-hardware:phys-address"`
 	WiFiRadio   *wifiRadioHWJSON `json:"infix-hardware:wifi-radio"`
 	GPSReceiver *struct{}        `json:"infix-hardware:gps-receiver"`
 	SensorData  *struct {
@@ -226,26 +228,26 @@ type hwComponentJSON struct {
 
 type dashboardData struct {
 	PageData
-	Hostname     string
-	Contact      string
-	Location     string
-	OSName       string
-	OSVersion    string
-	Machine      string
-	CurrentTime  string
-	Software     string
-	Uptime       string
-	MemTotal     int64
-	MemUsed      int64
-	MemPercent   int
-	MemClass     string
-	Load1        string
-	Load5        string
-	Load15       string
-	CPUClass     string
-	Disks        []diskEntry
-	Board        boardInfo
-	KeyVitals    []sensorEntry // Overview's at-a-glance subset: CPU/SoC + wifi-radio temperatures and fan RPMs. Status > Hardware has the full inventory.
+	Hostname    string
+	Contact     string
+	Location    string
+	OSName      string
+	OSVersion   string
+	Machine     string
+	CurrentTime string
+	Software    string
+	Uptime      string
+	MemTotal    int64
+	MemUsed     int64
+	MemPercent  int
+	MemClass    string
+	Load1       string
+	Load5       string
+	Load15      string
+	CPUClass    string
+	Disks       []diskEntry
+	Board       boardInfo
+	KeyVitals   []sensorEntry // Overview's at-a-glance subset: CPU/SoC + wifi-radio temperatures and fan RPMs. Status > Hardware has the full inventory.
 	// Connectivity card.
 	Gateways      []gatewayEntry
 	InternetProbe string // address pinged for the Internet reachability row
@@ -254,7 +256,11 @@ type dashboardData struct {
 	NTPSync       string // "" / the selected NTP source address
 	// Addresses card.
 	Addresses []ifaceAddrEntry
-	Error     string
+	// Software-update banner — shown only when an update is available.
+	UpdateAvailable bool
+	UpdateMessage   string // verbatim CLI/login-banner notice
+	UpdateURL       string // release URL extracted from the notice
+	Error           string
 }
 
 // gatewayEntry is a default route's next-hop.
@@ -305,6 +311,31 @@ type diskEntry struct {
 // reachability row — a well-known, stable anycast resolver.
 const internetProbe = "1.1.1.1"
 
+// updateNoticeFile holds the software-update notice written by
+// /usr/sbin/infix-check-update — the same text the CLI shows at login.
+// A package var so tests can point it elsewhere.
+var updateNoticeFile = "/run/infix-update"
+
+var updateURLRe = regexp.MustCompile(`https?://\S+`)
+
+// readUpdateNotice returns the software-update message verbatim (as shown in
+// the CLI login banner) and the release URL extracted from it. Both are empty
+// when no update is pending or the notice file is absent/empty.
+func readUpdateNotice() (msg, url string) {
+	b, err := os.ReadFile(updateNoticeFile)
+	if err != nil {
+		return "", ""
+	}
+	msg = strings.TrimSpace(string(b))
+	if msg == "" {
+		return "", ""
+	}
+	if u := updateURLRe.FindString(msg); u != "" {
+		url = strings.TrimRight(u, ").,;")
+	}
+	return msg, url
+}
+
 // DashboardHandler serves the main dashboard page.
 type DashboardHandler struct {
 	Template *template.Template
@@ -501,6 +532,14 @@ func (h *DashboardHandler) Index(w http.ResponseWriter, r *http.Request) {
 	}
 	data.Addresses = ifaceAddresses(ifaces)
 
+	// Software-update banner: surfaces the same notice as the CLI login
+	// banner (written by infix-check-update to the notice file).
+	if msg, url := readUpdateNotice(); msg != "" {
+		data.UpdateAvailable = true
+		data.UpdateMessage = msg
+		data.UpdateURL = url
+	}
+
 	tmplName := "dashboard.html"
 	if r.Header.Get("HX-Request") == "true" {
 		tmplName = "content"

src/webui/static/css/style.css

@@ -579,6 +579,43 @@ details[open].nav-group-top > summary.nav-group-summary-top::before {
   padding: 1.25rem;
 }
 
+/* Dashboard software-update banner — amber "attention" treatment, bright
+   and theme-aware, but built from the same card primitives as everything
+   else. Spans the full info-grid width and sits at the top. */
+.update-card {
+  border-color: var(--warning-border);
+  background: var(--warning-bg);
+  box-shadow: 0 0 0 1px var(--warning-border), var(--shadow-sm);
+}
+.update-card .update-card-header {
+  background: var(--warning);
+  color: #fff;
+  border-bottom-color: var(--warning-border);
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+}
+.update-card .update-card-icon {
+  font-size: 1rem;
+  line-height: 1;
+}
+.update-card .update-card-body {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 1rem 1.5rem;
+  flex-wrap: wrap;
+}
+.update-card .update-card-msg {
+  margin: 0;
+  color: var(--warning-fg);
+  font-size: 0.95rem;
+  font-weight: 500;
+}
+.update-card .update-card-action {
+  flex: none;
+}
+
 
 /* ==========================================================================
    Tables

src/webui/templates/pages/dashboard.html

@@ -8,6 +8,21 @@
 {{end}}
 
 <section class="info-grid">
+  {{if .UpdateAvailable}}
+  <div class="info-card info-grid-full update-card">
+    <div class="card-header update-card-header">
+      <span class="update-card-icon" aria-hidden="true">&#x2B06;</span> Software Update Available
+    </div>
+    <div class="card-body update-card-body">
+      <p class="update-card-msg">{{.UpdateMessage}}</p>
+      {{if .UpdateURL}}
+      <a href="{{.UpdateURL}}" target="_blank" rel="noopener noreferrer"
+         class="btn btn-primary update-card-action">View release &rarr;</a>
+      {{end}}
+    </div>
+  </div>
+  {{end}}
+
   <div class="info-card">
     <div class="card-header">System Information</div>
     <div class="card-body" style="padding:0">