update

docs/client-api.md

@@ -98,6 +98,7 @@ V2 clients register a locally generated installation identity:
 {
   "schema_version": 1,
   "installation_id": "123e4567-e89b-42d3-a456-426614174000",
+  "hostname": "pve01",
   "credential": "64-lowercase-hexadecimal-characters",
   "proxmenu_version": "2026.7.26-7",
   "git_commit": "40-lowercase-hexadecimal-characters",
@@ -134,8 +135,10 @@ Accepted events are `run_started`, `run_completed`, `run_failed`, and
 `upgraded`. Events are best-effort and are sent only while TA-ProxMenu is
 running; there is no resident monitoring service.
 
-The fleet API deliberately does not accept or store hostnames, machine IDs,
+The fleet API stores the reported hostname as a limited operational identifier.
-MAC addresses, usernames, customer names, VM/container inventory, deployment
+It deliberately does not accept or store machine IDs, MAC addresses, usernames,
-tokens, or command output. The portal shows random installation IDs, first and
+VM/container inventory, deployment tokens, credentials, or command output. The
-last activity, verification status, software/platform versions, cluster mode,
+portal shows hostname, random installation ID, first and last activity,
-and the latest structured result.
+verification status, software/platform versions, cluster mode, and the latest
+structured result. A record becomes verified only after the same installation
+ID is included in a successful deployment-code exchange.

internal/app/fleet.go

@@ -23,12 +23,14 @@ var (
 	)
 	hexCredentialPattern = regexp.MustCompile(`^[0-9a-f]{64}$`)
 	fleetValuePattern    = regexp.MustCompile(`^[A-Za-z0-9][A-Za-z0-9._+~,:/() -]*$`)
+	fleetHostnamePattern = regexp.MustCompile(`^[A-Za-z0-9][A-Za-z0-9._-]{0,252}$`)
 	errorCodePattern     = regexp.MustCompile(`^[a-z0-9][a-z0-9_-]*$`)
 )
 
 type fleetRequest struct {
 	SchemaVersion   int    `json:"schema_version"`
 	InstallationID  string `json:"installation_id"`
+	Hostname        string `json:"hostname,omitempty"`
 	Credential      string `json:"credential,omitempty"`
 	Event           string `json:"event,omitempty"`
 	Result          string `json:"result,omitempty"`
@@ -45,6 +47,7 @@ type fleetRequest struct {
 
 type fleetHostRecord struct {
 	InstallationID  string
+	Hostname        string
 	VerifiedAt      sql.NullTime
 	FirstSeenAt     time.Time
 	LastSeenAt      time.Time
@@ -163,12 +166,14 @@ func decodeFleetRequest(w http.ResponseWriter, r *http.Request, registration boo
 		return request, false
 	}
 	request.InstallationID = strings.ToLower(strings.TrimSpace(request.InstallationID))
+	request.Hostname = strings.TrimSpace(request.Hostname)
 	request.Credential = strings.ToLower(strings.TrimSpace(request.Credential))
 	request.Event = strings.TrimSpace(request.Event)
 	request.Result = strings.TrimSpace(request.Result)
 	request.ErrorCode = strings.TrimSpace(request.ErrorCode)
 	if request.SchemaVersion != 1 ||
 		!installationIDPattern.MatchString(request.InstallationID) ||
+		(request.Hostname != "" && !fleetHostnamePattern.MatchString(request.Hostname)) ||
 		(registration && !hexCredentialPattern.MatchString(request.Credential)) ||
 		!validFleetMetadata(request) {
 		writeJSON(w, http.StatusBadRequest, map[string]string{"error": "invalid host data"})
@@ -233,11 +238,11 @@ func (s *Server) insertFleetHost(
 	if _, err := tx.ExecContext(
 		ctx,
 		`INSERT INTO fleet_hosts
-			(installation_id, credential_hash, registration_source_hash,
+			(installation_id, hostname, credential_hash, registration_source_hash,
 			 proxmenu_version, git_commit, pve_version, os_version,
 			 kernel_version, architecture, clustered)
-		 VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
+		 VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
-		request.InstallationID, credentialHash, sourceHash,
+		request.InstallationID, request.Hostname, credentialHash, sourceHash,
 		request.ProxMenuVersion, request.GitCommit, request.PVEVersion,
 		request.OSVersion, request.KernelVersion, request.Architecture,
 		request.Clustered,
@@ -272,6 +277,7 @@ func (s *Server) updateFleetHost(ctx context.Context, request fleetRequest, reco
 			last_event = CASE WHEN ? THEN ? ELSE last_event END,
 			last_result = CASE WHEN ? THEN ? ELSE last_result END,
 			last_error_code = CASE WHEN ? THEN ? ELSE last_error_code END,
+			hostname = CASE WHEN ? <> '' THEN ? ELSE hostname END,
 			proxmenu_version = ?,
 			git_commit = ?,
 			pve_version = ?,
@@ -285,6 +291,7 @@ func (s *Server) updateFleetHost(ctx context.Context, request fleetRequest, reco
 		recordEvent, request.Event,
 		recordEvent, request.Result,
 		recordEvent, request.ErrorCode,
+		request.Hostname, request.Hostname,
 		request.ProxMenuVersion, request.GitCommit, request.PVEVersion,
 		request.OSVersion, request.KernelVersion, request.Architecture,
 		request.Clustered, request.InstallationID,
@@ -338,7 +345,7 @@ func (s *Server) verifyFleetInstallation(ctx context.Context, installationID str
 func (s *Server) listFleetHosts(r *http.Request) ([]fleetHostRecord, error) {
 	rows, err := s.db.QueryContext(
 		r.Context(),
-		`SELECT installation_id, verified_at, first_seen_at, last_seen_at,
+		`SELECT installation_id, hostname, verified_at, first_seen_at, last_seen_at,
 		        last_success_at, last_event, last_result, last_error_code,
 		        proxmenu_version, git_commit, pve_version, os_version,
 		        kernel_version, architecture, clustered
@@ -354,7 +361,7 @@ func (s *Server) listFleetHosts(r *http.Request) ([]fleetHostRecord, error) {
 	for rows.Next() {
 		var record fleetHostRecord
 		if err := rows.Scan(
-			&record.InstallationID, &record.VerifiedAt, &record.FirstSeenAt,
+			&record.InstallationID, &record.Hostname, &record.VerifiedAt, &record.FirstSeenAt,
 			&record.LastSeenAt, &record.LastSuccessAt, &record.LastEvent,
 			&record.LastResult, &record.LastErrorCode, &record.ProxMenuVersion,
 			&record.GitCommit, &record.PVEVersion, &record.OSVersion,

internal/app/fleet_test.go

@@ -24,12 +24,17 @@ func newFleetTestServer(t *testing.T) *Server {
 	}
 	db.SetMaxOpenConns(1)
 	t.Cleanup(func() { _ = db.Close() })
-	migration, err := os.ReadFile("../../migrations/002_fleet_registry.sql")
+	for _, migrationPath := range []string{
-	if err != nil {
+		"../../migrations/002_fleet_registry.sql",
-		t.Fatal(err)
+		"../../migrations/003_fleet_hostname.sql",
-	}
+	} {
-	if _, err := db.Exec(string(migration)); err != nil {
+		migration, err := os.ReadFile(migrationPath)
-		t.Fatal(err)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if _, err := db.Exec(string(migration)); err != nil {
+			t.Fatal(err)
+		}
 	}
 	return &Server{
 		db: db,
@@ -62,6 +67,7 @@ func TestFleetRegistrationAndAuthenticatedEvents(t *testing.T) {
 	registration := `{
 		"schema_version": 1,
 		"installation_id": "` + testInstallationID + `",
+		"hostname": "pve01",
 		"credential": "` + testFleetCredential + `",
 		"proxmenu_version": "2026.7.26-7",
 		"git_commit": "0123456789abcdef0123456789abcdef01234567",
@@ -79,6 +85,7 @@ func TestFleetRegistrationAndAuthenticatedEvents(t *testing.T) {
 	event := `{
 		"schema_version": 1,
 		"installation_id": "` + testInstallationID + `",
+		"hostname": "pve01-renamed",
 		"event": "run_completed",
 		"result": "success",
 		"proxmenu_version": "2026.7.26-7",
@@ -95,14 +102,17 @@ func TestFleetRegistrationAndAuthenticatedEvents(t *testing.T) {
 		t.Fatalf("event status = %d, body = %s", response.Code, response.Body.String())
 	}
 
-	var lastEvent, lastResult string
+	var hostname, lastEvent, lastResult string
 	var eventCount int
 	if err := server.db.QueryRow(
-		`SELECT last_event, last_result FROM fleet_hosts WHERE installation_id = ?`,
+		`SELECT hostname, last_event, last_result FROM fleet_hosts WHERE installation_id = ?`,
 		testInstallationID,
-	).Scan(&lastEvent, &lastResult); err != nil {
+	).Scan(&hostname, &lastEvent, &lastResult); err != nil {
 		t.Fatal(err)
 	}
+	if hostname != "pve01-renamed" {
+		t.Fatalf("hostname = %q, want updated hostname", hostname)
+	}
 	if lastEvent != "run_completed" || lastResult != "success" {
 		t.Fatalf("unexpected host state: event=%q result=%q", lastEvent, lastResult)
 	}
@@ -158,7 +168,21 @@ func TestFleetRequestRejectsUnexpectedSensitiveFields(t *testing.T) {
 		"schema_version": 1,
 		"installation_id": "` + testInstallationID + `",
 		"credential": "` + testFleetCredential + `",
-		"hostname": "customer-pve01"
+		"machine_id": "customer-machine-id"
+	}`
+	response := fleetRequestRecorder(t, server.handleFleetRegister, registration, "")
+	if response.Code != http.StatusBadRequest {
+		t.Fatalf("registration status = %d, want %d", response.Code, http.StatusBadRequest)
+	}
+}
+
+func TestFleetRequestRejectsInvalidHostname(t *testing.T) {
+	server := newFleetTestServer(t)
+	registration := `{
+		"schema_version": 1,
+		"installation_id": "` + testInstallationID + `",
+		"credential": "` + testFleetCredential + `",
+		"hostname": "customer name with spaces"
 	}`
 	response := fleetRequestRecorder(t, server.handleFleetRegister, registration, "")
 	if response.Code != http.StatusBadRequest {

internal/app/server_test.go

@@ -92,6 +92,7 @@ func TestFleetTemplateExecutes(t *testing.T) {
 		CurrentView: "hosts",
 		FleetHosts: []fleetHostRecord{{
 			InstallationID:  "123e4567-e89b-42d3-a456-426614174000",
+			Hostname:        "pve01",
 			FirstSeenAt:     time.Now(),
 			LastSeenAt:      time.Now(),
 			LastEvent:       "run_completed",

internal/app/templates/hosts.html

@@ -14,7 +14,8 @@
       <div>
         <p class="eyebrow">Privacy-minimized fleet registry</p>
         <h1>ProxMenu hosts.</h1>
-        <p>Installations are identified by a random ID. No hostname, machine ID, username, VM inventory, or credential is collected.</p>
+        <p>Each installation reports its hostname and a random installation ID. No machine ID, MAC address, username, VM inventory, credential, or command output is collected.</p>
+        <p><small>Verified means the same installation ID has completed a successful deployment-code exchange.</small></p>
       </div>
     </section>
 
@@ -29,7 +30,8 @@
         {{range .FleetHosts}}
         <article class="fleet-row">
           <div>
-            <strong>{{shortInstallationID .InstallationID}}</strong>
+            <strong>{{if .Hostname}}{{.Hostname}}{{else}}Unknown hostname{{end}}</strong>
+            <small>Installation {{shortInstallationID .InstallationID}}</small>
             <span class="status {{if .VerifiedAt.Valid}}enabled{{end}}">{{if .VerifiedAt.Valid}}Verified{{else}}Unverified{{end}}</span>
             <small>First seen {{formatTime .FirstSeenAt}}</small>
           </div>

migrations/003_fleet_hostname.sql

@@ -0,0 +1,2 @@
+ALTER TABLE fleet_hosts
+    ADD COLUMN hostname TEXT NOT NULL DEFAULT '';