phc2sys_monitor_task

Monitor task for phc2sys systemd units.

Classes:

• Phc2SysMonitorTask –

  Monitor task for a phc2sys systemd unit.

Phc2SysMonitorTask

Phc2SysMonitorTask(unit_name: str, hostname: str)

Bases: MonitorTask

Monitor task for a phc2sys systemd unit.

Parameters:

• unit_name (str) –

  The systemd unit name to monitor.

• hostname (str) –

  The local hostname.

Raises:

• FileNotFoundError –

  If the unit does not exist.

Methods:

• __str__ –

  Return a string representation of the task.

• phc2sys_to_graph_updates –

  Convert a phc2sys state change to graph updates.

• poll –

  Poll journal for updates, yielding graph updates.

• run_loop –

  Run the polling loop at the specified period.

• stop –

  Stop the monitoring loop.

__str__

__str__() -> str

Return a string representation of the task.

phc2sys_to_graph_updates

phc2sys_to_graph_updates(
    state_change: SystemdUnitStateChange,
)

Convert a phc2sys state change to graph updates.

poll async

poll()

Poll journal for updates, yielding graph updates.

run_loop async

run_loop(period_s: float)

Run the polling loop at the specified period.

stop

stop()

Stop the monitoring loop.