From 586bedc0ebcbef13aaf63eb0542b34267d474a5b Mon Sep 17 00:00:00 2001
From: root <root@pve1.takeo.lan>
Date: Mon, 9 Mar 2026 14:04:09 +0700
Subject: [PATCH] prometheus_client: alle Filesysteme anzeigen (ZFS, LVM, NVMe)
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Root-Partition + Extra-Datastores (ZFS-Pools, /var/lib/vz etc.)
werden jetzt korrekt in Übersicht und Detail angezeigt.

Made-with: Cursor
---
 homelab-ai-bot/core/prometheus_client.py | 73 +++++++++++++++++++++---
 1 file changed, 64 insertions(+), 9 deletions(-)

diff --git a/homelab-ai-bot/core/prometheus_client.py b/homelab-ai-bot/core/prometheus_client.py
index 8df479ba..6a7b5e1c 100644
--- a/homelab-ai-bot/core/prometheus_client.py
+++ b/homelab-ai-bot/core/prometheus_client.py
@@ -86,7 +86,7 @@ def get_disk(host: str = None) -> list[dict]:
 
 
 def get_disk_bytes(host: str = None) -> list[dict]:
-    """Returns available and total bytes per host."""
+    """Returns available and total bytes for root partition per host."""
     filt = f', host="{host}"' if host else ""
     avail = _by_host(instant_query(
         f'node_filesystem_avail_bytes{{mountpoint="/", host!=""{filt}}}'), "avail_bytes")
@@ -104,6 +104,47 @@ def get_disk_bytes(host: str = None) -> list[dict]:
     return result
 
 
+def get_all_filesystems(host: str = None) -> list[dict]:
+    """All non-trivial filesystems (skips tmpfs, dev, run, boot)."""
+    filt = f', host="{host}"' if host else ""
+    skip = "tmpfs|devtmpfs|efivarfs"
+    q_avail = f'node_filesystem_avail_bytes{{fstype!~"{skip}", host!=""{filt}}}'
+    q_total = f'node_filesystem_size_bytes{{fstype!~"{skip}", host!=""{filt}}}'
+
+    data_a = instant_query(q_avail)
+    data_t = instant_query(q_total)
+    if data_a.get("status") != "success":
+        return []
+
+    total_map = {}
+    for r in data_t.get("data", {}).get("result", []):
+        m = r.get("metric", {})
+        key = (m.get("host", m.get("instance", "?")), m.get("mountpoint", ""))
+        total_map[key] = float(r.get("value", [0, 0])[1])
+
+    results = []
+    for r in data_a.get("data", {}).get("result", []):
+        m = r.get("metric", {})
+        h = m.get("host", m.get("instance", "?"))
+        mp = m.get("mountpoint", "")
+        if mp in ("/boot/efi", "/boot"):
+            continue
+        avail = float(r.get("value", [0, 0])[1])
+        total = total_map.get((h, mp), 0)
+        if total < 500 * 1024 * 1024:
+            continue
+        used_pct = ((total - avail) / total * 100) if total > 0 else 0
+        results.append({
+            "host": h,
+            "mountpoint": mp,
+            "total_gb": total / (1024**3),
+            "avail_gb": avail / (1024**3),
+            "used_pct": used_pct,
+            "device": m.get("device", ""),
+        })
+    return sorted(results, key=lambda x: (x["host"], x["mountpoint"]))
+
+
 def get_uptime(host: str = None) -> list[dict]:
     filt = f', host="{host}"' if host else ""
     q = f'node_time_seconds{{host!=""{filt}}} - node_boot_time_seconds{{host!=""{filt}}}'
@@ -150,6 +191,11 @@ def format_overview() -> str:
     disk_gb = {r["host"]: r for r in get_disk_bytes()}
     uptime = {r["host"]: r["value"] for r in get_uptime()}
     load = {r["host"]: r["value"] for r in get_load()}
+    all_fs = get_all_filesystems()
+    extra_fs = {}
+    for fs in all_fs:
+        if fs["mountpoint"] != "/":
+            extra_fs.setdefault(fs["host"], []).append(fs)
 
     hosts = sorted(set(list(cpu.keys()) + list(mem.keys()) + list(disk.keys())))
     if not hosts:
@@ -177,10 +223,17 @@ def format_overview() -> str:
         mem_str = f"{m:.0f}%" if m >= 0 else "n/a"
         load_str = f"{l5:.1f}" if l5 >= 0 else "n/a"
 
+        extra_line = ""
+        if h in extra_fs:
+            parts = []
+            for efs in extra_fs[h]:
+                parts.append(f"{efs['mountpoint']}: {efs['avail_gb']:.0f}/{efs['total_gb']:.0f} GB frei")
+            extra_line = "\n  Storage: " + ", ".join(parts)
+
         lines.append(
             f"{emoji} {h}{warn}\n"
             f"  CPU: {cpu_str}  RAM: {mem_str}  Disk: {disk_str}\n"
-            f"  Load5: {load_str}  Uptime: {_fmt_uptime(u)}"
+            f"  Load5: {load_str}  Uptime: {_fmt_uptime(u)}{extra_line}"
         )
 
     warnings = get_warnings()
@@ -200,8 +253,7 @@ def format_host_detail(host: str) -> str:
 
     cpu = get_cpu(host)
     mem = get_memory(host)
-    disk = get_disk(host)
-    disk_gb = get_disk_bytes(host)
+    filesystems = get_all_filesystems(host)
     uptime = get_uptime(host)
     load = get_load(host)
 
@@ -213,11 +265,14 @@ def format_host_detail(host: str) -> str:
         lines.append(f"CPU: {cpu[0]['value']:.1f}%")
     if mem:
         lines.append(f"RAM: {mem[0]['value']:.1f}%")
-    if disk:
-        d_str = f"Disk: {disk[0]['value']:.1f}%"
-        if disk_gb:
-            d_str += f" ({disk_gb[0]['avail_gb']:.1f} / {disk_gb[0]['total_gb']:.1f} GB frei)"
-        lines.append(d_str)
+    if filesystems:
+        lines.append("Speicher:")
+        for fs in filesystems:
+            warn = " ⚠️" if fs["used_pct"] >= WARN_DISK else ""
+            lines.append(
+                f"  {fs['mountpoint']}: {fs['used_pct']:.0f}% belegt "
+                f"({fs['avail_gb']:.0f} / {fs['total_gb']:.0f} GB frei){warn}"
+            )
     if load:
         lines.append(f"Load (5m): {load[0]['value']:.2f}")
     if uptime: