feat: device by-id

cfg/yodaNas.ini

@@ -2,11 +2,11 @@
 dir = /var/log/de-p1st-monitor/
 
 [filesystem.1]
-; NVME
+; 256GB2
 mountpoint = /
 warn_if_above = 0.75
 [filesystem.2]
-; NVME
+; 256GB2
 mountpoint = /boot
 warn_if_above = 0.75
 [filesystem.3]
@@ -14,8 +14,8 @@ warn_if_above = 0.75
 uuid = c385a436-0288-486f-a2b9-c64c2db667e7
 warn_if_above = 0.66
 [filesystem.4]
-; 3TB1 and 3TB2
-uuid = a454430b-dee3-4b6b-8325-f7bdb9435ed1
+; 3TB1, 3TB2 and 4TB1
+uuid = 1f560eeb-a375-457b-84a6-93d771a5ba5f
 warn_if_above = 0.85
 unmounted_ok = true
 
@@ -54,25 +54,28 @@ warn_if_above = 60
 network_interface = enp0s31f6
 
 [drive.1]
-; NVME /dev/nvme0n1p3
-; TODO NVME 49 warn, 55 limit
-uuid = b8ef1da9-d76d-44b4-86d4-71c82c888b6f
+; NVMe 256GB2
+; TODO NVMe 49 warn, 55 limit
+id = nvme-WDC_PC_SN520_SDAPNUW-256G-1002_183873801941
 warn_if_above = 50
 [drive.2]
 ; HDD 12TB1
 ; TODO HDD 39 warn, 45 limit
-uuid = 68c349e8-5118-4773-9fd5-5dbad9acee4e
+id = ata-TOSHIBA_MG07ACA12TE_X1E0A0WKF95G
 warn_if_above = 40
 [drive.3]
 ; HDD 3TB1
-uuid = 20d86155-30d4-404c-95e8-c701cfb16ca5
+id = ata-WDC_WD30EFRX-68EUZN0_WD-WCC4N1173157
 warn_if_above = 40
 [drive.4]
 ; HDD 3TB2
-uuid = 4651c3f1-e4b8-45aa-a823-df762530a307
+id = ata-WDC_WD30EFRX-68EUZN0_WD-WMC4N0564095
+warn_if_above = 40
+; HDD 4TB1
+id = ata-WDC_WD40EFRX-68N32N0_WD-WCC7K0CPF0N1
 warn_if_above = 40
 
-[sensor_script.1]
-cmd = ["digitemp_DS9097", "-q", "-c", "/home/yoda/.digitemprc", "-t", "0"]
-name = room-temp
-warn_if_above = 32
+; [sensor_script.1]
+; cmd = ["digitemp_DS9097", "-q", "-c", "/home/yoda/.digitemprc", "-t", "0"]
+; name = room-temp
+; warn_if_above = 32

src/de/p1st/monitor/cfg/loggers.py

@@ -79,11 +79,12 @@ def get_loggers() -> tuple[list[Logger], list[LoggerArgEx]]:
 
     def drive(cfg_: configparser.SectionProxy) -> Logger:
         uuid = cfg_.get('uuid', None)
+        id_ = cfg_.get('id', None)
         device = Path(cfg_.get('device')) if 'device' in cfg_ else None
         warn_if_above = int(cfg_['warn_if_above']) if 'warn_if_above' in cfg_ else None
         warn_threshold = int(cfg_.get('warn_threshold', '1'))
         warn_data_range = int(cfg_.get('warn_data_range', '1'))
-        return DriveLogger(uuid, device, warn_if_above, warn_threshold, warn_data_range)
+        return DriveLogger(uuid, id_, device, warn_if_above, warn_threshold, warn_data_range)
 
     def memory(cfg_: configparser.SectionProxy) -> Logger:
         warn_if_above = float(cfg_.get('warn_if_above', '1.0'))

src/de/p1st/monitor/loggers/drive.py

@@ -16,7 +16,9 @@ class BlkidException(Exception):
 
 
 class DriveLogger(Logger):
-    def __init__(self, uuid: str = None,
+    def __init__(self,
+                 uuid: str = None,
+                 id_: str = None,
                  device: Path = None,
                  warn_if_above: int = None,
                  warn_threshold: int = 1,
@@ -30,21 +32,22 @@ class DriveLogger(Logger):
                          critical_if_above
                          )
 
-        if uuid is None and device is None:
-            raise LoggerArgEx('uuid or device required')
-
+        if uuid is None and id_ is None and device is None:
+            raise LoggerArgEx('uuid, id_ or device required')
+        # `device` might be `None`.
+        if uuid is not None:
+            device = self.get_partition_from_uuid(uuid)
+        if id_ is not None:
+            device = self.get_partition_from_id(id_)
+        # `device` is not `None`, `uuid` might be `None`.
         if uuid is None:
             try:
-                self.uuid = self.get_partition_uuid(device)
+                self.uuid = self.get_uuid_from_partition(device)
             except BlkidException as e:
                 raise LoggerArgEx(getattr(e, 'message', e))
-        else:
-            self.uuid = uuid
-
-        if device is None:
-            self.device = self.get_partition_path(uuid)
-        else:
-            self.device = device
+        # Store as attributes.
+        self.uuid = uuid
+        self.device = device
 
         self.warn_if_above = warn_if_above
 
@@ -72,17 +75,24 @@ class DriveLogger(Logger):
     #
 
     @classmethod
-    def get_partition_path(cls, uuid: str) -> Path:
+    def get_partition_from_uuid(cls, uuid: str) -> Path:
         """
         :return: Partition path, e.g. /dev/sda1
         """
         return Path(f'/dev/disk/by-uuid/{uuid}').resolve()
 
     @classmethod
-    def get_partition_uuid(cls, device: Path) -> str:
+    def get_partition_from_id(cls, id_: str) -> Path:
         """
-        :param device: E.g. /dev/sda1
-        :return: UUID of e.g. partition /dev/sda1
+        :return: Partition path, e.g. /dev/sda1
+        """
+        return Path(f'/dev/disk/by-id/{id_}').resolve()
+
+    @classmethod
+    def get_uuid_from_partition(cls, device: Path) -> str:
+        """
+        :param device: Partition path, e.g. /dev/sda1
+        :return: UUID of given partition
         :raise BlkidException: If UUID could not be determined.
         """
         returncode, stdout, stderr = execute_capture(['blkid', '-s', 'UUID', '-o', 'value', f'{device}'])
@@ -95,7 +105,7 @@ class DriveLogger(Logger):
     @classmethod
     def get_temp_from_device(cls, device: Path) -> int:
         """
-        :param device: For example `/dev/sda` or `/dev/disk/by-uuid/<uuid>`
+        :param device: Partition path, e.g. `/dev/sda`
         :return: Temperature in celsius
         """