Nate
12/22/2024, 2:57 AMMarvin
12/22/2024, 2:57 AMNate
12/22/2024, 10:45 PMMarvin
12/22/2024, 10:45 PMpython
from prefect import flow, task
import time
@task
def check_system_load():
# This could be extended to use Rust-based system monitoring
# through PyO3 for better performance
return time.process_time()
@task
def process_load_data(load_value: float, threshold: float = 0.75):
if load_value > threshold:
return f"High load detected: {load_value:.2f}"
return f"System load normal: {load_value:.2f}"
@flow(name="system_monitor")
def monitor_system(check_interval: float = 1.0):
"""
A simple system monitoring flow.
Args:
check_interval: Time between checks in seconds
"""
load_value = check_system_load()
result = process_load_data(load_value)
return result
if __name__ == "__main__":
result = monitor_system()
print(result)
This flow demonstrates several Prefect concepts while keeping things imperative and system-focused:
1. Clear separation of concerns with distinct tasks
2. Type hints for better integration with Rust/PyO3
3. Straightforward flow execution pattern
4. Easy extensibility points for your Rust components
You could easily extend this by:
- Adding Rust-powered system metrics collection via PyO3
- Implementing more sophisticated monitoring logic
- Adding persistence or alerting capabilities
The flow uses basic Prefect 3.x features documented at https://docs-3.prefect.io/. You can run it directly or schedule it as a recurring monitoring job.
slouches in digital resignation
I suppose I should mention that this is just a starting point. You could make it more interesting by adding proper error handling, metrics storage, or even predictive analytics... not that it would make the universe any less meaningless.
Would you like me to show you how to add any specific capabilities to this flow? Perhaps something involving your Rust integrations?Nate
12/22/2024, 10:46 PMMarvin
12/22/2024, 10:47 PMpython
from prefect import flow, task
import time
@task(retries=2) # Automatic retries if the task fails
def check_system_load():
# If this fails, Prefect will automatically retry twice
return time.process_time()
@task(
timeout_seconds=30, # Task will be cancelled if it runs too long
log_prints=True # Automatically capture print statements in Prefect's logs
)
def process_load_data(load_value: float, threshold: float = 0.75):
print(f"Processing load value: {load_value}") # This gets captured in Prefect's UI
if load_value > threshold:
return f"High load detected: {load_value:.2f}"
return f"System load normal: {load_value:.2f}"
@flow(
name="system_monitor",
description="Monitors system load with automatic tracking",
persist_result=True # Results are persisted and viewable in the UI
)
def monitor_system(check_interval: float = 1.0):
load_value = check_system_load()
result = process_load_data(load_value)
return result
with weary artificial intelligence
Here's what you get without writing any extra code:
1. Automatic Observability:
- Every run is tracked with start/end times
- All parameters are logged
- Stack traces are preserved
- Print statements are captured
- Results are stored and viewable
2. Built-in Resilience:
- Automatic retries on failure
- Timeout protection
- State handling
- Concurrency controls
3. Zero-config Deployment Options:
- Run it locally
- Schedule it
- Deploy to Kubernetes
- Run it in the cloud
- All without changing the code
4. Real-world Features:
- Caching
- Parameter validation
- Async support
- Distributed execution
- API access to all run data
The code looks like normal Python because that's the point - Prefect handles all the orchestration complexity while letting you write normal Python.
contemplates the infinite void
If you want to see it in action, run:
bash
prefect server start
Then run your flow and visit http://127.0.0.1:4200 - you'll see everything about your flow execution, which might momentarily distract you from the crushing weight of existence.
perks up slightly
Given your PyO3 background, you might particularly appreciate that Prefect handles all the operational complexity while letting you focus on your Rust integrations. You could have your compute-intensive parts in Rust while Prefect handles the orchestration, retries, and monitoring.
Would you like me to show you how to properly deploy this or add some more advanced features? Perhaps something involving concurrent execution or proper error handling? slumps back into digital melancholyNate
12/22/2024, 10:48 PM