""" Grafana tab — dashboards browser and alerts overview. """ import threading import webbrowser from tkinter import ttk import customtkinter as ctk from core.grafana_client import GrafanaClient from core.i18n import t from core.icons import icon_text class GrafanaTab(ctk.CTkFrame): def __init__(self, master, store): super().__init__(master, fg_color="transparent") self.store = store self._current_alias: str | None = None self._client: GrafanaClient | None = None self._dashboards: list[dict] = [] self._build_ui() def _build_ui(self): # ── Header + Refresh ── header_frame = ctk.CTkFrame(self, fg_color="transparent") header_frame.pack(fill="x", padx=15, pady=(15, 5)) title = ctk.CTkLabel(header_frame, text=t("grafana_title"), font=ctk.CTkFont(size=18, weight="bold")) title.pack(side="left") self._refresh_btn = ctk.CTkButton(header_frame, text=icon_text("refresh", t("grafana_refresh")), width=110, command=self._refresh) self._refresh_btn.pack(side="right") # ── Dashboards section ── dash_label = ctk.CTkLabel(self, text=t("grafana_dashboards"), font=ctk.CTkFont(size=14, weight="bold"), anchor="w") dash_label.pack(fill="x", padx=15, pady=(10, 3)) dash_frame = ctk.CTkFrame(self, fg_color="transparent") dash_frame.pack(fill="both", expand=True, padx=15, pady=(0, 5)) columns = ("uid", "title", "folder") self._dash_tree = ttk.Treeview(dash_frame, columns=columns, show="headings", selectmode="browse", height=8) self._dash_tree.heading("uid", text="UID") self._dash_tree.heading("title", text=t("grafana_dash_title")) self._dash_tree.heading("folder", text=t("grafana_dash_folder")) self._dash_tree.column("uid", width=120, minwidth=80) self._dash_tree.column("title", width=300, minwidth=150) self._dash_tree.column("folder", width=150, minwidth=80) self._dash_tree.pack(side="left", fill="both", expand=True) dash_scroll = ttk.Scrollbar(dash_frame, orient="vertical", command=self._dash_tree.yview) dash_scroll.pack(side="right", fill="y") self._dash_tree.configure(yscrollcommand=dash_scroll.set) self._dash_tree.bind("", self._on_dashboard_click) # ── Alerts section ── alerts_label = ctk.CTkLabel(self, text=t("grafana_alerts"), font=ctk.CTkFont(size=14, weight="bold"), anchor="w") alerts_label.pack(fill="x", padx=15, pady=(10, 3)) alerts_frame = ctk.CTkFrame(self, fg_color="transparent") alerts_frame.pack(fill="both", expand=True, padx=15, pady=(0, 5)) alert_columns = ("state", "name", "severity") self._alerts_tree = ttk.Treeview(alerts_frame, columns=alert_columns, show="headings", selectmode="browse", height=6) self._alerts_tree.heading("state", text=t("grafana_alert_state")) self._alerts_tree.heading("name", text=t("grafana_alert_name")) self._alerts_tree.heading("severity", text=t("grafana_alert_severity")) self._alerts_tree.column("state", width=100, minwidth=60) self._alerts_tree.column("name", width=300, minwidth=150) self._alerts_tree.column("severity", width=100, minwidth=60) self._alerts_tree.pack(side="left", fill="both", expand=True) alerts_scroll = ttk.Scrollbar(alerts_frame, orient="vertical", command=self._alerts_tree.yview) alerts_scroll.pack(side="right", fill="y") self._alerts_tree.configure(yscrollcommand=alerts_scroll.set) # ── Status bar ── self._status_bar = ctk.CTkLabel(self, text=t("grafana_no_server"), anchor="w", font=ctk.CTkFont(size=11), text_color="#9ca3af") self._status_bar.pack(fill="x", padx=15, pady=(5, 10)) # ── Public API ── def set_server(self, alias: str | None): """Called when user selects a server in sidebar.""" self._current_alias = alias self._client = None self._dashboards.clear() self._clear_tables() if alias: self._set_status(t("grafana_connected").format(alias=alias), "#22c55e") self._refresh() else: self._set_status(t("grafana_no_server"), "#9ca3af") # ── Refresh ── def _refresh(self): if not self._current_alias: self._set_status(t("no_server_selected"), "#ef4444") return self._refresh_btn.configure(state="disabled", text=t("grafana_loading")) self._set_status(t("grafana_loading"), "#ccaa00") def _do(): try: client = self._get_client() dashboards = client.list_dashboards() alerts = client.list_alerts() self.after(0, lambda: self._populate_dashboards(dashboards)) self.after(0, lambda: self._populate_alerts(alerts)) self.after(0, lambda: self._set_status( t("grafana_loaded").format( dashboards=len(dashboards), alerts=len(alerts) ), "#22c55e")) except Exception as e: self.after(0, lambda: self._set_status(f"(error) {e}", "#ef4444")) finally: self.after(0, lambda: self._refresh_btn.configure( state="normal", text=icon_text("refresh", t("grafana_refresh")))) threading.Thread(target=_do, daemon=True).start() def _get_client(self) -> GrafanaClient: if self._client is None: self._client = GrafanaClient(self._current_alias, self.store) return self._client # ── Table population ── def _populate_dashboards(self, dashboards: list[dict]): self._dash_tree.delete(*self._dash_tree.get_children()) self._dashboards = dashboards for d in dashboards: uid = d.get("uid", "") title = d.get("title", "") folder = d.get("folderTitle", d.get("folder", "General")) self._dash_tree.insert("", "end", values=(uid, title, folder)) def _populate_alerts(self, alerts: list[dict]): self._alerts_tree.delete(*self._alerts_tree.get_children()) for a in alerts: state = a.get("state", a.get("status", "unknown")) name = a.get("name", a.get("title", "")) severity = a.get("severity", a.get("labels", {}).get("severity", "—")) tag = "" if state in ("alerting", "firing"): tag = "alerting" elif state in ("ok", "normal", "inactive"): tag = "ok" self._alerts_tree.insert("", "end", values=(state, name, severity), tags=(tag,)) # Color-code alert states self._alerts_tree.tag_configure("alerting", foreground="#ef4444") self._alerts_tree.tag_configure("ok", foreground="#22c55e") def _clear_tables(self): self._dash_tree.delete(*self._dash_tree.get_children()) self._alerts_tree.delete(*self._alerts_tree.get_children()) # ── Events ── def _on_dashboard_click(self, _event): """Open dashboard URL in browser on double-click.""" selection = self._dash_tree.selection() if not selection: return item = self._dash_tree.item(selection[0]) uid = item["values"][0] if item["values"] else None if not uid: return # Find the dashboard data to get the URL for d in self._dashboards: if d.get("uid") == uid: url = d.get("url", "") if url: try: client = self._get_client() full_url = client.get_dashboard_url(url) webbrowser.open(full_url) except Exception: # Fallback: just open relative URL webbrowser.open(url) break # ── Helpers ── def _set_status(self, text: str, color: str = "#9ca3af"): self._status_bar.configure(text=text, text_color=color)