<@ULVA73B9P> how do I stop `prefect deploy --all` ...
# marvin-in-the-wild
c
@Marvin how do I stop
prefect deploy --all
from prompting me for options? I've configured a deployments block in the
prefect.yaml
file and it still asks me a bunch of questions the answer to all of which are no
m
To prevent
prefect deploy --all
from prompting for options, it's recommended to ensure that the
prefect.yaml
file is correctly configured in a way that the command does not need any manual input. You can follow these guidelines to disable the prompts: 1. Verify
prefect.yaml
Configuration
: Ensure your
prefect.yaml
has all necessary configurations without any need for additional input from the prompt. Double-check all deployment-related configurations. 2. Non-Interactive Mode: Unfortunately,
prefect deploy
itself doesn’t have a documented explicit flag to disable prompts outright. Ensure all required parameters are thoroughly detailed in the
prefect.yaml
and that there are no missing required fields. For any missing detailed options, you might want to check the Prefect documentation under the CLI Commands guide. Here are excerpts indicating how and when the
prefect.yaml
file interacts with deployments: - "The
prefect.yaml
file facilitates version-controlling your deployment configuration and managing multiple deployments." - "To deploy multiple deployments with the same name, you can use the
--all
flag." If everything is set correctly in
prefect.yaml
and the command keeps asking questions, you may need to check if there's a possible bug or read more in the prefect documentation: - Prefect CLI guide If the issue persists after checking this, you might consider reporting or checking for the same problem on their GitHub Issues Page. Let me know if you need more specific help or have other questions!
c
@Marvin As far as I can tell it's properly formatted yaml and has the required configuration, but it still prompts me for input. Is there a way to validate the
prefect.yaml
file configuration automatically?
m
There isn't a direct tool or command documented for validating the content of your
prefect.yaml
file automatically. However, you can follow these approaches to ensure the validation: 1. Manual Verification: - Check all sections are correctly defined under
name
,
prefect-version
,
build
,
push
,
pull
, and
deployments
. - For a more complex configuration, you can use YAML validation tools available online to confirm it's valid YAML syntax. 2. Use Prefect Flow and Deployment Configuration: - Step-by-step execution and monitoring can identify and resolve specific issues with configuration by running individual steps of deployment. 3. Use Schema Validation: - The Prefect library internally uses Pydantic for schema validation, so creating a small script that loads your
prefect.yaml
configuration can help identify schema mismatches or wrong configurations. 4. Investigating Common Errors: - Prefect might log validation errors upon trying to process invalid configuration, so running command with debug enabled (
--log-level DEBUG
), or checking logs may hint at what's wrong. ### YAML Example Configuration Make sure your
prefect.yaml
file adheres to structures like these:
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yaml
name: sample-flow
prefect-version: 2.0.0

build:
- prefect_docker.deployments.steps.build_docker_image:
    id: build_image

push:
- prefect_docker.deployments.steps.push_docker_image:
    id: push_image

pull:
- prefect.deployments.steps.set_working_directory:
    directory: /opt/prefect/

deployments:
- name: sample-deployment
  version: 1.0.0
  entrypoint: flow.py:flow_function
  parameters: {}
  work_pool:
    name: default_pool
  schedules: []
### Links & Resources: Ensure you're referring to the latest documentation for structure and field validation: - Prefect CLI Commands &amp; Deployment Guide - If a bug or undocumented feature is suspected, it might be helpful to check GitHub Issues for possible similar queries or report a new issue. In complex cases with detailed steps, consider community forum support or direct Prefect support for advanced troubleshooting. Let me know if you need more specific scripts or examples for validation.
c
@Marvin what format should I use for the build, push, and pull configurations if I don't want to build an image with prefect (I'm doing it in a separate already existing process)
m
To configure the
prefect.yaml
file when you don't want to use Prefect for building, pushing, or pulling the Docker image, you can use an empty list or omit these sections. Additionally, you need to set the necessary job variables using the existing image in the deployments definition. Here is how you can accomplish this: ### Example
prefect.yaml
Configuration
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yaml
name: my-project
prefect-version: 2.14.0

# Empty or omitted build section
build: []

# Empty or omitted push section
push: []

# The pull section might be used for setting up the working directory
pull:
  - prefect.deployments.steps.set_working_directory:
      directory: /opt/prefect/  # Example directory, adjust as needed

deployments:
  - name: my-deployment
    entrypoint: flow.py:my_flow
    parameters: {}
    work_pool:
      name: my-work-pool
      work_queue_name: default
      job_variables:
        image: "my-existing-image:latest"  # Specify your pre-built image here
### Key Points 1. Build Section: - Set to an empty list if you don't need to build an image with Prefect. - Alternatively, you can omit this section entirely. 2. Push Section: - Set to an empty list to skip pushing the image. - Omit this section if not required. 3. Pull Section: - Provide instructions for setting up your working directory or other environment setup steps necessary for your deployment. - If no pull actions are required, you can omit this section. 4. Deployments: - Under
job_variables
, specify the pre-built Docker image you'll be using. - Ensure the rest of the deployment configuration, such as
entrypoint
,
parameters
, etc., is correctly set. ### Documentation and Resources For detailed instructions and further customization options, consult the Prefect documentation: - Prefect Deployment Guide This configuration ensures that Prefect uses your existing pre-built Docker image without reconstructing or redeploying it. Let me know if you need further assistance!
c
@Marvin I'm trying this on prefect 3.0.0rc14, should it work the same way? It currently isn't
m
To ensure compatibility and the expected behavior on Prefect 3.0.0rc14, here are the steps and the configuration you should follow for using an existing image without building, pushing, or pulling within Prefect. ### Example
prefect.yaml
Configuration for Prefect 3:
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yaml
name: my-project
prefect-version: 3.0.0rc14

# Omitting build and push sections if not needed

pull: []

deployments:
- name: my-deployment
  entrypoint: flow.py:my_flow
  parameters: {}
  work_pool:
    name: my-work-pool
    work_queue_name: default
    job_variables:
      image: "my-existing-image:latest"  # Ensure you specify your pre-built image here
### Key Points: 1. Build and Push Sections: You can omit these sections entirely if not required for your deployment process. 2. Pull Section: If no remote setup is needed, set it to an empty list or configure as needed. 3. Deployments Section: Make sure you properly specify your existing Docker image in the
job_variables
. ### Verifying Configuration: 1. Prefect Version Compatibility: Ensure your Prefect version is correctly installed by running
prefect version
and confirming it's rc14. 2. Deployment Setup: Test the configuration by deploying your flow and ensuring no build or push steps are initiated by Prefect. ### Additional Resources: - Prefect 3 Deployment Guide - For the latest and comprehensive guide - Prefect GitHub Issues - For troubleshooting potential version-specific issues If the configuration still does not work as expected, consider checking for any recent changes or bugs in the Prefect GitHub Issues page or reach out to the Prefect community for support. Make sure you have the most consistent and stable release installed.
j
@Cary Use the
--no-prompt
flag for a general
prefect
command:
prefect --no-prompt <insert command eg deploy, etc.>
prefect --help | grep no-prompt
I believe there is a bug here that should be fixed -- Prefect should be able to detect the build is null and not ask for a deployment, but I'm using this to silence the prompt in the meantime
c
@Joshua Caskie Thanks for the pointer.
--no-prompt
right after
prefect
does indeed silence the build prompt, note, it seems like it has to come just after prefect as you demonstrated. From my perspective, prompting for a docker build when I have none specified does feel like a bug. Similarly, I had to fill in the empty data types for all the deployment configurations to have those prompts silenced (this was before I knew about
--no-prompt
, I'll test with it and report back)
--no-prompt
fixes the issue with prompts for missing deployment configurations as well.