<@ULVA73B9P> I have created a worker pool containi...
# ask-marvin
d
@Marvin I have created a worker pool containing workers on different machines and I have created a deployment for this pool from one of the machines while running the deployment on a worker other than the one created the pool, it throws in an error as follows
Failed due to a(n) FileNotFoundError caused by a missing directory 'path of the system where the deployment was created'. Investigate and ensure the required directory exists for the flow to run successfully.
What is the correct way to create a deployment that can run on all machines and not just the one in which it was created.
m
To create a deployment that can run on multiple machines, you need to ensure that the deployment is not tied to a specific file path or environment that only exists on the machine where it was created. Here are some steps and considerations to achieve this: 1. Use Relative Paths: Ensure that any file paths used in your flow or deployment are relative, not absolute. This prevents issues when the flow is executed on a different machine. 2. Shared Resources: If your flow requires specific directories or resources, make sure these are accessible on all machines. This might involve setting up shared network drives or ensuring that each machine has the necessary resources in the same relative location. 3. Prefect YAML Configuration: Utilize the
prefect.yaml
file to define your deployment. This file should include all necessary configurations, such as environment variables, dependencies, and infrastructure settings, making it easier to replicate the environment across different machines. 4. Work Pools: Leverage Prefect's work pools to manage and coordinate deployments across different environments. Work pools allow you to switch the worker executing your runs easily, which can be useful for promoting runs through different environments or debugging locally. 5. Infra Overrides: Use infrastructure overrides to customize deployment settings for different environments if necessary. This can be done within the
prefect.yaml
file or through the Prefect UI. For more detailed guidance, you can refer to the Prefect documentation on deployments and work pools. By following these steps, you should be able to create a deployment that runs smoothly across all machines in your worker pool.