add doc: batch process node #712
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Signed-off-by: ming.tang <[email protected]>
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Summary of Changes
Hello @tangming1996, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
This pull request introduces new documentation that outlines the process of managing and maintaining large-scale edge nodes using keadm's batch processing capabilities. It provides practical guidance and configuration examples for automating node join and reset operations, including the integration of custom pre- and post-execution scripts.
Highlights
- New Documentation: A new documentation page,
docs/advanced/batch-node.md, has been added to guide users on managing large-scale edge nodes usingkeadm. - Batch Node Operations: The document details how to perform batch join and batch reset operations for edge nodes using
keadm. - Custom Script Execution: It introduces and explains the
pre-runandpost-runparameters, allowing users to execute custom scripts before or afterkeadmcommands during batch operations. - Configuration Examples: Comprehensive YAML configuration examples are provided for both batch node join and reset, illustrating various parameters including
keadmversioning, architecture groups, offline package directories, command templates, and SSH authentication methods (private key and password).
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Code Review
This pull request adds new documentation for the batch node processing feature in keadm. The documentation provides a good overview and examples for joining and resetting nodes in batch. My review includes several suggestions to improve the clarity, consistency, and correctness of the documentation. Key points include: correcting an inconsistency in the "Batch Node Reset" example where a configuration field appears to be missing from the YAML but is referenced in the description, improving phrasing and tone for better readability and a more professional feel, fixing minor formatting and style issues, such as inconsistent casing and trailing whitespace, and replacing an insecure example password with a placeholder to promote better security practices. Overall, this is a valuable addition, and with these changes, it will be even more helpful for users.
| maxRunNum: 5 | ||
| ``` | ||
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| In this configuration, `--post-run=./uninstall-containerd.sh` is introduced in the reset command, which is used to uninstall the containerd container runtime after the node is reset. The `uninstall-containerd.sh` file is in the directory corresponding to `nodes[x].copyFrom` and is uploaded from the `control node` to the `remote node`. |
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This paragraph states that the uninstall-containerd.sh script is located in the directory specified by nodes[x].copyFrom. However, the YAML configuration example for "Batch Node Reset" above does not include the copyFrom field. This is a significant inconsistency that will confuse users.
Please either:
- Add the
copyFromfield to the reset configuration example (if it's required for the script to be available). - Correct this descriptive text to explain how the script is made available on the remote node if
copyFromis not used in the reset scenario.
| - nodeName: ubuntu1 # Unique name | ||
| arch: amd64 | ||
| keadmCmd: '{{.cmd}} --edgenode-name=containerd-node1 --token={{.token}}' # Used in conjunction with keadm.cmdTplArgs | ||
| copyFrom: /root/test-keadm-batchjoin # The file directory that needs to be remotely accessed to the joining node |
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The comment "The file directory that needs to be remotely accessed to the joining node" is phrased awkwardly. It could be made clearer.
| copyFrom: /root/test-keadm-batchjoin # The file directory that needs to be remotely accessed to the joining node | |
| copyFrom: /root/test-keadm-batchjoin # The directory on the control node containing files to be copied to the joining node |
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| ## Getting Started | ||
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| This case will guide you how to use the batch node join and reset capabilities, and introduce custom scripts using the `pre-run` and `post-run` parameters. |
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The phrasing here could be more direct and professional. "This case will guide you" is a bit informal.
| This case will guide you how to use the batch node join and reset capabilities, and introduce custom scripts using the `pre-run` and `post-run` parameters. | |
| This guide demonstrates how to use the batch node join and reset capabilities, and introduces custom scripts using the `pre-run` and `post-run` parameters. |
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| **Pre-run and Post-run Parameter Description** | ||
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| To support custom scripts, we have introduced the optional parameters `pre-run` and `post-run` in various commands of keadm. These parameters allow users to pass in custom script files to perform some pre or post script tasks. For specific usage, refer to the subsequent use cases. |
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The phrase "perform some pre or post script tasks" is a bit redundant. Consider rephrasing for better clarity.
| To support custom scripts, we have introduced the optional parameters `pre-run` and `post-run` in various commands of keadm. These parameters allow users to pass in custom script files to perform some pre or post script tasks. For specific usage, refer to the subsequent use cases. | |
| To support custom scripts, we have introduced the optional parameters `pre-run` and `post-run` in various commands of keadm. These parameters allow users to execute custom scripts before or after the main command. For specific usage, refer to the subsequent use cases. |
| keadm: | ||
| download: | ||
| enable: true | ||
| url: https://github.com/kubeedge/kubeedge/releases/download/v1.18.1 # If this parameter is not configured, the official github repository will be used by default |
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For correctness and consistency, please capitalize "GitHub".
| url: https://github.com/kubeedge/kubeedge/releases/download/v1.18.1 # If this parameter is not configured, the official github repository will be used by default | |
| url: https://github.com/kubeedge/kubeedge/releases/download/v1.18.1 # If this parameter is not configured, the official GitHub repository will be used by default |
| auth: | ||
| type: password # Log in to the node using a password | ||
| passwordAuth: | ||
| password: dangerous |
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Using a weak password like "dangerous" as an example, even in documentation, can encourage poor security practices. It's better to use a placeholder to indicate that a user should provide their own secure password.
| password: dangerous | |
| password: <your-password> |
| auth: | ||
| type: password | ||
| passwordAuth: | ||
| password: dangerous |
There was a problem hiding this comment.
Using a weak password like "dangerous" as an example, even in documentation, can encourage poor security practices. It's better to use a placeholder to indicate that a user should provide their own secure password.
| password: dangerous | |
| password: <your-password> |
| --- | ||
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| ## Abstract | ||
| In edge scenarios, the node scale is often very large. The management process of a single node can no longer efficiently cope with such large-scale scenarios. How to manage large-scale nodes is becoming more and more important. This document will teach you how to use keadm to manage and maintain edge nodes on a large scale. |
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The phrasing in the abstract could be improved for clarity and conciseness. The current wording is a bit verbose, and using "teach you" is informal for technical documentation.
| In edge scenarios, the node scale is often very large. The management process of a single node can no longer efficiently cope with such large-scale scenarios. How to manage large-scale nodes is becoming more and more important. This document will teach you how to use keadm to manage and maintain edge nodes on a large scale. | |
| In edge scenarios, the node scale is often very large. Managing individual nodes is inefficient in such large-scale scenarios, making bulk node management crucial. This document explains how to use keadm to manage and maintain edge nodes on a large scale. |
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| In this configuration, `--post-run=./uninstall-containerd.sh` is introduced in the reset command, which is used to uninstall the containerd container runtime after the node is reset. The `uninstall-containerd.sh` file is in the directory corresponding to `nodes[x].copyFrom` and is uploaded from the `control node` to the `remote node`. | ||
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| **Usage:** |
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There is a trailing space in this heading. Please remove it for clean formatting.
| **Usage:** | |
| **Usage:** |
| Save the above file on a `control node` that can access all edge nodes. For example, the file name is `batch-reset-node.yaml`, and then execute `keadm batch -c ./batch-reset-node.yaml` in the directory where the file is located. | ||
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| #### Video Demo | ||
|  No newline at end of file |
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The image path uses URL-encoded forward slashes (%2F). While this may render correctly, it's not standard Markdown syntax and is harder to read and maintain. Please use normal forward slashes for clarity.
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2 participants
Which issue(s) this PR fixes:
Fixes #
add example for keadm bacth process node
What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
What is the current behavior? (You can also link to an open issue here)
What is the new behavior (if this is a feature change)?
Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)
Other information: