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feat: support dbcp2 #549

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@Just-CJ Just-CJ commented Oct 25, 2024

Motivation:

datasource插件支持dbcp2

Modification:

DatasourceUtils支持识别dbcp2的数据源

Result:

能够正常识别dbcp2数据源并打印trace日志

Summary by CodeRabbit

  • New Features
    • Added support for DBCP2 data sources, enhancing the system's ability to recognize different database connection pooling options.
  • Bug Fixes
    • Improved the logic for identifying DBCP data sources to include DBCP2.
  • Tests
    • Introduced a new test case for validating the URL retrieval from DBCP2 data sources.
  • Chores
    • Added a new dependency for commons-dbcp2 to enhance testing capabilities.

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coderabbitai bot commented Oct 25, 2024

Walkthrough

The changes introduce a new constant for the DBCP2 data source in the DataSourceUtils class, enhancing the functionality to recognize both DBCP and DBCP2 data sources. Additionally, a new Maven dependency for commons-dbcp2 is added to the project for testing purposes. Finally, a new test case is created in the DataSourceUrlTest class to validate the functionality of the DBCP2 data source, ensuring that it retrieves the correct URL.

Changes

File Change Summary
sofa-tracer-plugins/sofa-tracer-datasource-plugin/.../DataSourceUtils.java Added constant DS_DBCP2_CLASS and modified isDbcpDataSource methods to include checks for DBCP2 data sources.
tracer-sofa-boot-starter/pom.xml Added new Maven dependency for commons-dbcp2 with scope test.
tracer-sofa-boot-starter/src/test/java/.../DataSourceUrlTest.java Introduced a new test method testGetDataSourceUrl to validate the URL retrieval for the DBCP2 data source.

Poem

In the world of data, hopping along,
A new DBCP2 joins the throng.
With tests in the burrow, all snug and neat,
Our sources now dance to a new, happy beat!
🐇✨


📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 4a76797 and ae5b44b.

📒 Files selected for processing (3)
  • sofa-tracer-plugins/sofa-tracer-datasource-plugin/src/main/java/com/alipay/sofa/tracer/plugins/datasource/utils/DataSourceUtils.java (2 hunks)
  • tracer-sofa-boot-starter/pom.xml (1 hunks)
  • tracer-sofa-boot-starter/src/test/java/com/alipay/sofa/tracer/boot/datasource/DataSourceUrlTest.java (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (3)
  • sofa-tracer-plugins/sofa-tracer-datasource-plugin/src/main/java/com/alipay/sofa/tracer/plugins/datasource/utils/DataSourceUtils.java
  • tracer-sofa-boot-starter/pom.xml
  • tracer-sofa-boot-starter/src/test/java/com/alipay/sofa/tracer/boot/datasource/DataSourceUrlTest.java

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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (4)
tracer-sofa-boot-starter/src/test/java/com/alipay/sofa/tracer/boot/datasource/DataSourceUrlTest.java (1)

54-61: LGTM! Consider enhancing test coverage.

The test case for DBCP2 follows the established pattern and correctly verifies the basic URL retrieval functionality.

Consider adding these test scenarios to improve coverage:

  1. Test with actual JDBC URLs to verify proper handling of connection strings
  2. Add negative test cases (e.g., null URL, malformed URL)

Example enhancement:

 // dbcp2
 org.apache.commons.dbcp2.BasicDataSource basicDataSource2 = new org.apache.commons.dbcp2.BasicDataSource();
-basicDataSource2.setUrl("test-url");
+basicDataSource2.setUrl("jdbc:mysql://localhost:3306/testdb");
 method = ReflectionUtils.findMethod(basicDataSource2.getClass(),
         DataSourceUtils.METHOD_GET_URL);
 Assert.assertNotNull(method);
-Assert.assertEquals("test-url", method.invoke(basicDataSource2));
+Assert.assertEquals("jdbc:mysql://localhost:3306/testdb", method.invoke(basicDataSource2));
+
+// Test null URL
+org.apache.commons.dbcp2.BasicDataSource basicDataSource2Null = new org.apache.commons.dbcp2.BasicDataSource();
+method = ReflectionUtils.findMethod(basicDataSource2Null.getClass(),
+        DataSourceUtils.METHOD_GET_URL);
+Assert.assertNotNull(method);
+Assert.assertNull(method.invoke(basicDataSource2Null));
tracer-sofa-boot-starter/pom.xml (2)

239-243: LGTM with suggestions.

The addition of commons-dbcp2 as a test dependency aligns well with the PR's objective to support DBCP2 data sources. However, consider explicitly specifying the version for better dependency management.

Consider adding an explicit version:

 <dependency>
     <groupId>org.apache.commons</groupId>
     <artifactId>commons-dbcp2</artifactId>
+    <version>2.9.0</version>
     <scope>test</scope>
 </dependency>

239-243: Consider grouping related test dependencies.

For better maintainability, consider grouping this dependency with other connection pool dependencies (HikariCP, Druid, C3P0, etc.) in the test section.

sofa-tracer-plugins/sofa-tracer-datasource-plugin/src/main/java/com/alipay/sofa/tracer/plugins/datasource/utils/DataSourceUtils.java (1)

73-77: Consider adding test coverage for DBCP2.

While the implementation looks good, please ensure there are corresponding test cases that verify:

  1. DBCP2 data source detection
  2. URL retrieval from DBCP2 data sources
  3. Backward compatibility with DBCP

Would you like me to help generate test cases for these scenarios?

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between d8053ce and 4a76797.

📒 Files selected for processing (3)
  • sofa-tracer-plugins/sofa-tracer-datasource-plugin/src/main/java/com/alipay/sofa/tracer/plugins/datasource/utils/DataSourceUtils.java (2 hunks)
  • tracer-sofa-boot-starter/pom.xml (1 hunks)
  • tracer-sofa-boot-starter/src/test/java/com/alipay/sofa/tracer/boot/datasource/DataSourceUrlTest.java (1 hunks)
🔇 Additional comments (3)
tracer-sofa-boot-starter/src/test/java/com/alipay/sofa/tracer/boot/datasource/DataSourceUrlTest.java (1)

55-55: Verify constant alignment with DataSourceUtils.

Let's ensure the test uses the correct class name that matches the DS_DBCP2_CLASS constant in DataSourceUtils.

✅ Verification successful

Constants are correctly aligned with DataSourceUtils

The verification confirms:

  • The test correctly uses org.apache.commons.dbcp2.BasicDataSource which matches the DS_DBCP2_CLASS constant in DataSourceUtils
  • The test properly references METHOD_GET_URL constant from DataSourceUtils for method reflection
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify that the DBCP2 class name in the test matches the constant in DataSourceUtils

# Test: Search for DS_DBCP2_CLASS constant definition
echo "Searching for DS_DBCP2_CLASS constant..."
rg "DS_DBCP2_CLASS.*=.*\"org\.apache\.commons\.dbcp2\.BasicDataSource\""

# Test: Verify the constant is used in the DataSourceUtils class
echo "Verifying usage in DataSourceUtils..."
ast-grep --pattern 'class DataSourceUtils {
  $$$
  DS_DBCP2_CLASS
  $$$
}'

Length of output: 557


Script:

#!/bin/bash
# Let's verify the METHOD_GET_URL constant as well

# Search for METHOD_GET_URL constant definition
echo "Searching for METHOD_GET_URL constant..."
rg "METHOD_GET_URL.*=.*" -A 1

# Search for its usage in DataSourceUtils
echo "Searching for METHOD_GET_URL usage in DataSourceUtils..."
ast-grep --pattern 'class DataSourceUtils {
  $$$
  METHOD_GET_URL
  $$$
}'

# Check how it's used in the test file
echo "Checking usage in test file..."
rg "METHOD_GET_URL" tracer-sofa-boot-starter/src/test/java/com/alipay/sofa/tracer/boot/datasource/DataSourceUrlTest.java

Length of output: 1146

sofa-tracer-plugins/sofa-tracer-datasource-plugin/src/main/java/com/alipay/sofa/tracer/plugins/datasource/utils/DataSourceUtils.java (2)

44-44: LGTM: Well-placed constant definition for DBCP2.

The constant follows the existing naming convention and correctly represents the DBCP2 BasicDataSource class.


73-77: LGTM: Clean implementation of DBCP2 detection.

The implementation correctly handles both DBCP and DBCP2 data sources while maintaining backward compatibility.

Let's verify that DBCP2 uses the same URL getter/setter methods as DBCP:

✅ Verification successful

Let's analyze the actual implementation to understand how URL handling is done in both DBCP versions.


This will help us verify if there are any DBCP2-specific URL handling methods or test cases that might indicate different URL getter/setter methods.


This will help us verify the exact URL methods being used for DBCP2 and how they're tested.


LGTM: DBCP2 URL handling is correctly implemented and verified.

The implementation is verified to be correct because:

  1. Both DBCP and DBCP2 use the same URL getter/setter methods (getUrl/setUrl), as confirmed by the test case in DataSourceUrlTest.java
  2. The DataSourceUtils class correctly handles both DBCP and DBCP2 using the same URL method constants METHOD_GET_URL and METHOD_SET_URL
  3. The test case explicitly verifies DBCP2 URL handling works with the same method pattern as DBCP
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify DBCP2's URL getter/setter method names match DBCP's

# Search for getUrl/setUrl method usage in DBCP2 classes
rg -l "getUrl|setUrl" | grep -i "dbcp2"

# Search for any alternative URL-related methods in DBCP2
rg -l "Url" | grep -i "dbcp2"

Length of output: 67


Script:

#!/bin/bash
# Let's try a different approach to verify DBCP2 URL handling:

# 1. Find all files that might contain DBCP2 related code
fd -t f . | grep -i "dbcp"

# 2. Look for actual implementation or usage of DBCP2
rg "DBCP2" -B 2 -A 2

# 3. Search for any URL-related constants or fields
rg "(?i)(jdbc.*url|url.*jdbc)" -B 1 -A 1

Length of output: 41951


Script:

#!/bin/bash
# Let's check how DBCP2 URL methods are used in the codebase
ast-grep --pattern 'getUrl($$$)' 

# Also check for any DBCP2 specific URL handling
rg -l "org.apache.commons.dbcp2" -A 5 -B 5

# And verify if there are any specific DBCP2 test cases
fd -t f . | grep -i test | xargs rg "dbcp2"

Length of output: 690


Script:

#!/bin/bash
# Let's examine the DBCP2 test case in detail
cat tracer-sofa-boot-starter/src/test/java/com/alipay/sofa/tracer/boot/datasource/DataSourceUrlTest.java

# And check the DataSourceUtils implementation for URL handling
cat sofa-tracer-plugins/sofa-tracer-datasource-plugin/src/main/java/com/alipay/sofa/tracer/plugins/datasource/utils/DataSourceUtils.java

Length of output: 20682

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