Bump version to 1.3.3

Replace statvfs with zpool list command for ZFS storage pools to get accurate
size and free space metrics. This resolves the 'mountpoint' key error for ZFS
pools and provides more accurate capacity information.

flake.lock

@@ -3,11 +3,11 @@
     "debBundler": {
       "flake": false,
       "locked": {
-        "lastModified": 1725149456,
-        "narHash": "sha256-rRrSD7itoPm+VIT4bIzSupQ7jw+H4eOjxRiRA89Kxb4=",
+        "lastModified": 1746317543,
+        "narHash": "sha256-1Xph5g1Lazzkc9XuY1nOkG5Fn7+lmSdldAC91boDawY=",
         "owner": "illustris",
         "repo": "flake",
-        "rev": "257a6c986cb9a67c4d6d0e0363507cab7f958b63",
+        "rev": "e86bd104d76d22b2ba36fede405e7bff290ef489",
         "type": "github"
       },
       "original": {
@@ -18,11 +18,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1725103162,
-        "narHash": "sha256-Ym04C5+qovuQDYL/rKWSR+WESseQBbNAe5DsXNx5trY=",
+        "lastModified": 1746663147,
+        "narHash": "sha256-Ua0drDHawlzNqJnclTJGf87dBmaO/tn7iZ+TCkTRpRc=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "12228ff1752d7b7624a54e9c1af4b222b3c1073b",
+        "rev": "dda3dcd3fe03e991015e9a74b22d35950f264a54",
         "type": "github"
       },
       "original": {

flake.nix

@@ -14,7 +14,7 @@ rec {
 		packages.x86_64-linux = with nixpkgs.legacyPackages.x86_64-linux; rec {
 			pvemon = python3Packages.buildPythonApplication {
 				pname = "pvemon";
-				version = "1.3.1";
+				version = "1.3.3";
 				src = ./src;
 				propagatedBuildInputs = with python3Packages; [
 					pexpect

src/pvemon/__init__.py

@@ -34,6 +34,7 @@ pool_cache = {
 DEFAULT_PORT = 9116
 DEFAULT_INTERVAL = 10
 DEFAULT_PREFIX = "pve"
+DEFAULT_HOST = "0.0.0.0"
 
 gauge_settings = [
     ('kvm_cpu', 'CPU time for VM', ['id', 'mode']),
@@ -353,6 +354,7 @@ class PVECollector(object):
 def main():
     parser = argparse.ArgumentParser(description='PVE metrics exporter for Prometheus')
     parser.add_argument('--port', type=int, default=DEFAULT_PORT, help='Port for the exporter to listen on')
+    parser.add_argument('--host', type=str, default=DEFAULT_HOST, help='Host address to bind the exporter to')
     parser.add_argument('--interval', type=int, default=DEFAULT_INTERVAL, help='THIS OPTION DOES NOTHING')
     parser.add_argument('--collect-running-vms', type=str, default='true', help='Enable or disable collecting running VMs metric (true/false)')
     parser.add_argument('--collect-storage', type=str, default='true', help='Enable or disable collecting storage info (true/false)')
@@ -388,7 +390,7 @@ def main():
         return
     else:
         REGISTRY.register(PVECollector())
-        start_http_server(cli_args.port)
+        start_http_server(cli_args.port, addr=cli_args.host)
 
     while True:
         time.sleep(100)

src/pvestorage/__init__.py

@@ -87,15 +87,53 @@ def parse_storage_cfg(file_path='/etc/pve/storage.cfg'):
 
 def get_storage_size(storage):
     try:
-        if storage["type"] in ["dir", "nfs", "cephfs", "zfspool"]:
         if storage["type"] == "zfspool":
-                path = storage["mountpoint"]
-            else:
+            if "pool" not in storage:
+                logging.debug(f"ZFS pool {storage['name']} has no pool name configured")
+                return None
+
+            # Extract the pool name (could be in format like rpool/data)
+            pool_name = storage["pool"].split("/")[0]
+
+            # Use zpool command to get accurate size information
+            import subprocess
+            try:
+                result = subprocess.run(
+                    ["zpool", "list", pool_name, "-p"],
+                    capture_output=True,
+                    text=True,
+                    check=True
+                )
+
+                # Parse the output
+                lines = result.stdout.strip().split("\n")
+                if len(lines) < 2:
+                    logging.warn(f"Unexpected zpool list output format for {pool_name}")
+                    return None
+
+                # Extract values from the second line (the data line)
+                values = lines[1].split()
+                if len(values) < 4:
+                    logging.warn(f"Insufficient data in zpool list output for {pool_name}")
+                    return None
+
+                # Values are: NAME SIZE ALLOC FREE ...
+                # We need the SIZE and FREE values (index 1 and 3)
+                total_size = int(values[1])
+                free_space = int(values[3])
+
+                return {
+                    "total": total_size,
+                    "free": free_space
+                }
+            except (subprocess.SubprocessError, ValueError, IndexError) as e:
+                logging.warn(f"Error running zpool list for {pool_name}: {e}")
+                return None
+
+        elif storage["type"] in ["dir", "nfs", "cephfs"]:
+            # For non-ZFS storage, use statvfs
             path = storage["path"]
-            # Get filesystem statistics
             stats = os.statvfs(path)
-            # Calculate total size and free space in bytes
-            # TODO: find an alternative way to calculate total_size for ZFS
             total_size = stats.f_frsize * stats.f_blocks
             free_space = stats.f_frsize * stats.f_bavail
             return {
@@ -126,7 +164,12 @@ def collect_storage_metrics():
 
     storage_pools = parse_storage_cfg()
     for storage in storage_pools:
-        info_dict["node_storage"].add_metric([], storage)
+        # Convert any non-string values to strings for InfoMetricFamily
+        storage_info = {}
+        for key, value in storage.items():
+            storage_info[key] = str(value) if not isinstance(value, str) else value
+
+        info_dict["node_storage"].add_metric([], storage_info)
         size = get_storage_size(storage)
         if size != None:
             gauge_dict["node_storage_size"].add_metric([storage["name"], storage["type"]], size["total"])

src/setup.py

@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 
 setup(
     name='pvemon',
-    version = "1.3.1",
+    version = "1.3.3",
     packages=find_packages(),
     entry_points={
         'console_scripts': [