[ISSUE #3315]🚀Implement GetNamesrvConfigCommand for name server tool💫 #3333
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WalkthroughThis update implements the end-to-end functionality for retrieving and displaying RocketMQ name server configurations via the command-line tool. It introduces asynchronous methods for fetching configurations, parses server responses in multiple formats, and formats the output in a user-friendly table. Dependency and formatting updates are also included. Changes
Sequence Diagram(s)sequenceDiagram
participant User
participant CLI_Command
participant AdminClient
participant MQClientAPI
participant NameServer
User->>CLI_Command: Run GetNamesrvConfigCommand
CLI_Command->>AdminClient: get_name_server_config(name_servers)
AdminClient->>MQClientAPI: get_name_server_config(name_servers, timeout)
MQClientAPI->>NameServer: Send GetNamesrvConfig request
NameServer-->>MQClientAPI: Respond with config (JSON or properties)
MQClientAPI-->>AdminClient: Return parsed config map
AdminClient-->>CLI_Command: Return config map
CLI_Command->>CLI_Command: Format and display config as table
CLI_Command-->>User: Show config table
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Pull Request Overview
This PR implements the GetNamesrvConfigCommand for the name server tool by retrieving and displaying name server configuration data in a formatted table. Key changes include:
- Retrieving configuration data from the name server and displaying it using the tabled crate.
- Adding a new function to format and output the configuration as a table.
- Integrating the new command with existing MQ client API implementations.
Reviewed Changes
Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| rocketmq-tools/src/commands/namesrv_commands/get_namesrv_config_command.rs | Introduces the GetNamesrvConfigCommand with table display functionality. |
| rocketmq-tools/Cargo.toml | Adds the futures crate dependency. |
| rocketmq-client/src/implementation/mq_client_api_impl.rs | Implements get_name_server_config API with JSON parsing for configuration data. |
| rocketmq-client/src/admin/default_mq_admin_ext_impl.rs | Integrates the new API into the admin extension implementation. |
Comments suppressed due to low confidence (2)
rocketmq-client/src/implementation/mq_client_api_impl.rs:1798
- Using expect here may cause a panic if JSON parsing fails; consider propagating the error or handling it gracefully to improve robustness.
SerdeJsonUtils::from_json_str::<HashMap<CheetahString, CheetahString>>(&body_str).expect("failed to parse JSON")
rocketmq-client/src/admin/default_mq_admin_ext_impl.rs:663
- Consider handling the potential None value of 'client_instance' instead of using unwrap() to avoid runtime panics in production.
.as_ref().unwrap()
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Additional details and impacted files@@ Coverage Diff @@
## main #3333 +/- ##
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- Coverage 26.45% 26.37% -0.09%
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Files 526 528 +2
Lines 74258 74495 +237
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Hits 19648 19648
- Misses 54610 54847 +237 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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Actionable comments posted: 2
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⛔ Files ignored due to path filters (1)
Cargo.lockis excluded by!**/*.lock
📒 Files selected for processing (4)
rocketmq-client/src/admin/default_mq_admin_ext_impl.rs(1 hunks)rocketmq-client/src/implementation/mq_client_api_impl.rs(3 hunks)rocketmq-tools/Cargo.toml(1 hunks)rocketmq-tools/src/commands/namesrv_commands/get_namesrv_config_command.rs(3 hunks)
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🔇 Additional comments (5)
rocketmq-client/src/implementation/mq_client_api_impl.rs (1)
1754-1760: Excellent method signature and approach.The method design properly handles optional name server lists and uses Duration for timeout, which is more type-safe than raw milliseconds.
rocketmq-client/src/admin/default_mq_admin_ext_impl.rs (1)
660-669: Clean implementation with proper delegation.The method correctly delegates to the underlying client API and handles the optional result appropriately with
unwrap_or_default().rocketmq-tools/src/commands/namesrv_commands/get_namesrv_config_command.rs (3)
78-87: Well-implemented command execution with good error handling.The implementation properly handles the async execution flow and provides user-friendly output formatting.
107-116: Excellent use of sorting for consistent output.Sorting the configuration entries by key ensures deterministic and user-friendly output, making it easier to compare configurations across different runs.
120-123: Great table formatting with modern style.The use of the
tabledcrate with modern styling and left alignment provides clean, readable output for the configuration data.
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| cheetah-string = { workspace = true } | ||
| clap = { version = "4.5.38", features = ["derive"] } | ||
| tabled = { version = "0.19.0", features = ["derive"] } | ||
| futures = "0.3.31" |
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💡 Verification agent
🧩 Analysis chain
Verify the necessity of the futures dependency.
The futures dependency is added but doesn't appear to be explicitly used in the command implementation. Please confirm this dependency is required for the async operations.
🏁 Script executed:
#!/bin/bash
# Description: Check if futures crate is actually used in the tools module
# Expected: If futures is not used, it should be removed to avoid unnecessary dependencies
echo "Searching for futures usage in rocketmq-tools..."
rg -A 3 -B 3 "futures::" rocketmq-tools/
echo "---"
echo "Searching for use futures statements..."
rg -A 1 "use futures" rocketmq-tools/
echo "---"
echo "Checking if futures is used in any way..."
rg "futures" rocketmq-tools/ --type rustLength of output: 440
Remove unused futures dependency
I searched the entire rocketmq-tools directory (no matches for futures::, use futures, or plain futures) and didn’t find any explicit usage of the futures crate. Unless you’re planning future work that relies on it, please remove this entry to keep dependencies lean. If it’s needed, add a code comment or demonstrate its use in this PR.
• File: rocketmq-tools/Cargo.toml (line 28)
- futures = "0.3.31"📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| futures = "0.3.31" |
🤖 Prompt for AI Agents
In rocketmq-tools/Cargo.toml at line 28, the futures dependency is declared but
not used anywhere in the rocketmq-tools codebase. Remove the futures = "0.3.31"
line from Cargo.toml to eliminate this unnecessary dependency and keep the
project dependencies clean.
| SerdeJsonUtils::from_json_str::< | ||
| HashMap<CheetahString, CheetahString>, | ||
| >(&body_str).expect("failed to parse JSON") | ||
| }; |
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Replace expect() with proper error handling to prevent potential panic.
The expect() call on line 1798 can cause the application to panic if JSON parsing fails. This should be handled gracefully.
Apply this diff to improve error handling:
- } else {
- SerdeJsonUtils::from_json_str::<
- HashMap<CheetahString, CheetahString>,
- >(&body_str).expect("failed to parse JSON")
- };
+ } else {
+ match SerdeJsonUtils::from_json_str::<
+ HashMap<CheetahString, CheetahString>,
+ >(&body_str) {
+ Ok(json_props) => json_props,
+ Err(_) => {
+ return Err(RocketmqError::MQClientErr(ClientErr::new(
+ format!("Failed to parse JSON response from server {}", name_server)
+ )));
+ }
+ }
+ };📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| SerdeJsonUtils::from_json_str::< | |
| HashMap<CheetahString, CheetahString>, | |
| >(&body_str).expect("failed to parse JSON") | |
| }; | |
| } else { | |
| match SerdeJsonUtils::from_json_str::< | |
| HashMap<CheetahString, CheetahString>, | |
| >(&body_str) { | |
| Ok(json_props) => json_props, | |
| Err(_) => { | |
| return Err(RocketmqError::MQClientErr(ClientErr::new( | |
| format!("Failed to parse JSON response from server {}", name_server) | |
| ))); | |
| } | |
| } | |
| }; |
🤖 Prompt for AI Agents
In rocketmq-client/src/implementation/mq_client_api_impl.rs around lines 1796 to
1799, the code uses expect() on the result of JSON parsing, which can cause a
panic if parsing fails. Replace the expect() call with proper error handling by
matching on the Result returned from from_json_str, and handle the Err case
gracefully, such as returning an error or logging it, to prevent the application
from panicking.
Which Issue(s) This PR Fixes(Closes)
Fixes #3315
Brief Description
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