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Development: Adapt documentation for SSH proxy in LocalVC #9644

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@bensofficial bensofficial commented Oct 30, 2024

Checklist

General

Motivation and Context

We use a slightly different configuration of Nginx in our production and testing setups. We want the documentation to be consistent with the configuration we use.

Description

We adapted the sample configuration for Nginx. We also added a reference to our Ansible collection which can be used to automate the setup process.

Steps for Testing

Read the updated documentation: https://artemis-platform--9644.org.readthedocs.build/en/9644/

Review Progress

Code Review

  • Code Review 1
  • Code Review 2

Summary by CodeRabbit

  • Documentation
    • Updated production setup documentation to recommend using the "Artemis Ansible Collection" for automation.
    • Clarified SSH configuration and Nginx setup instructions, simplifying the routing guidance.
    • Enhanced clarity on service restart requirements and the importance of consistent key usage across nodes.

@bensofficial bensofficial marked this pull request as ready for review October 30, 2024 14:18
@bensofficial bensofficial requested a review from a team as a code owner October 30, 2024 14:18
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coderabbitai bot commented Oct 30, 2024

Walkthrough

The documentation for the production setup of Artemis has been updated in two key areas. First, the setup.rst file now includes a recommendation for using the "Artemis Ansible Collection" to automate the setup process. Second, the security.rst file has been revised to clarify SSH configuration and Nginx setup, removing previous instructions for sslh and specifying new port assignments for SSH and HTTPS traffic. The documentation now emphasizes the importance of consistent SSH key usage in multi-node environments.

Changes

File Path Change Summary
docs/admin/setup.rst Added recommendation for using the "Artemis Ansible Collection" for automating production setup.
docs/admin/setup/security.rst Clarified SSH routing through Nginx, removed sslh instructions, specified new port assignments, and refined structure for clarity. Updated service restart instructions and emphasized consistent key usage across nodes.

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Actionable comments posted: 2

🧹 Outside diff range and nitpick comments (4)
docs/admin/setup.rst (1)

11-13: Consider expanding the Ansible collection description.

While the current description is good, it could be enhanced by:

  1. Mentioning that it specifically handles the SSH proxy and Nginx configuration
  2. Adding a note about compatibility with multi-node setups

Here's a suggested enhancement:

 We recommend using the `Artemis Ansible Collection <https://github.com/ls1intum/artemis-ansible-collection>`_ for
 setting up Artemis in production. The collection provides a set of Ansible roles that automate the setup of Artemis,
-including the required external system with sane configuration defaults.
+including the required external systems with sane configuration defaults. It handles complex setups like SSH proxy
+configuration, Nginx setup, and ensures consistent configuration across multi-node environments.
docs/admin/setup/security.rst (3)

129-131: Enhance the SSH proxy introduction with additional context.

Consider adding:

  • Rationale for choosing port 7921
  • Firewall configuration requirements
  • Security implications of exposing SSH

160-160: Add configuration verification and troubleshooting steps.

Consider adding these important steps:

  1. Verify Nginx configuration before restart
  2. Test SSH connectivity
  3. Basic troubleshooting guidance

Add these verification steps:

# Test nginx configuration
sudo nginx -t

# Restart nginx
sudo systemctl restart nginx

# Verify nginx status
sudo systemctl status nginx

# Test SSH connectivity
ssh -vv -p 7921 user@yourdomain.com

129-160: Consider adding architecture diagrams and deployment scenarios.

To better illustrate the SSH proxy setup:

  1. Add a network architecture diagram showing traffic flow
  2. Include different deployment scenarios (single node vs multi-node)
  3. Document how this integrates with the Artemis Ansible Collection
📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between ac4c2c1 and 356221d.

📒 Files selected for processing (2)
  • docs/admin/setup.rst (1 hunks)
  • docs/admin/setup/security.rst (1 hunks)
🔇 Additional comments (1)
docs/admin/setup.rst (1)

11-13: LGTM! The Ansible collection recommendation is a valuable addition.

The added reference to the Artemis Ansible Collection provides users with a reliable automation option for production setup, which will help ensure consistent configuration across environments.

Let's verify the Ansible collection link and documentation:

✅ Verification successful

The Ansible collection link is valid and references are consistent across documentation

The verification confirms:

  • The Ansible collection repository exists and is accessible
  • All references to Ansible in the documentation are consistent and up-to-date
  • The collection is properly referenced in both setup and troubleshooting documentation
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the Ansible collection link and check for any other references
# that might need updating

# Test 1: Verify the link to Ansible collection is valid
gh repo view ls1intum/artemis-ansible-collection --json name >/dev/null || echo "Invalid repository link"

# Test 2: Check for any other mentions of Ansible that might need updating
rg -i "ansible" --type rst

Length of output: 1023

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@iyannsch iyannsch left a comment

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Changes LGTM 👍 Did something change in Nginx so that SSH traffic can now be routed?

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@SimonEntholzer SimonEntholzer left a comment

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New fixed docs look good to me

@dfuchss
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dfuchss commented Oct 30, 2024

Just because it's interesting for me: Why do you proxy the requests at all? I mean, you could directly map the ports even if it runs locally, right?

@bensofficial
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bensofficial commented Oct 30, 2024

@dfuchss We mainly use the proxy to distribute the requests to the nodes. For a single node setup, you are right that this is not necessarily relevant.

@krusche krusche added this to the 7.6.5 milestone Oct 30, 2024
@krusche krusche changed the title Infrastructure: Adapt documentation for SSH proxy Development: Adapt documentation for SSH proxy in LocalVC Oct 30, 2024
@krusche krusche merged commit d16872d into develop Oct 30, 2024
31 of 32 checks passed
@krusche krusche deleted the chore/infrastructure/adapt-documentation-for-ssh-proxy branch October 30, 2024 17:07
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5 participants