feat: add API bdev_lvol_rename #157
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WalkthroughThe changes introduced in this pull request enhance the command-line interface (CLI) for managing logical volumes by adding a new command to rename them. This includes the implementation of a new method in the client package to handle the renaming operation and modifications to existing methods to support extended attributes. Additionally, the test suite has been updated to include new test cases for the renaming functionality, ensuring proper validation of the changes. Changes
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Actionable comments posted: 5
🧹 Outside diff range and nitpick comments (1)
pkg/spdk/types/lvol.go (1)
148-151: Add documentation for the new type.Please add a comment block above the type definition explaining:
- The purpose of this request type
- Any constraints on the name fields
- Example usage
Example documentation:
+// BdevLvolRenameRequest represents a request to rename a logical volume. +// Both OldName and NewName must be valid logical volume names within the same lvstore. type BdevLvolRenameRequest struct { OldName string `json:"old_name"` NewName string `json:"new_name"` }
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📒 Files selected for processing (4)
- app/cmd/basic/bdev_lvol.go (2 hunks)
- pkg/spdk/client/basic.go (1 hunks)
- pkg/spdk/spdk_test.go (2 hunks)
- pkg/spdk/types/lvol.go (1 hunks)
🧰 Additional context used
🔇 Additional comments (4)
pkg/spdk/types/lvol.go (1)
148-151: Consider adding input validation for the rename operation.While the type structure is correct and follows the established pattern, consider adding validation to ensure:
- Names are not empty strings
- Names follow valid format/character restrictions
- NewName doesn't conflict with existing volumes
Let's check if there's any existing validation logic we can reuse:
app/cmd/basic/bdev_lvol.go (2)
35-35: LGTM: Command properly integratedThe new rename command is correctly added to the list of subcommands.
610-644: Verify relationship with v2 volume delta replica rebuildingWhile the rename functionality appears well-implemented, its relationship to the PR objective of supporting v2 volume delta replica rebuilding is not immediately clear. Please clarify how this feature contributes to that goal.
Let's check for related code in the codebase:
pkg/spdk/spdk_test.go (1)
Line range hint
221-234: LGTM! Good variable extraction.The extraction of the clone name into a variable improves code readability and maintainability. The assertions thoroughly verify the clone's properties.
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #157 +/- ##
==========================================
+ Coverage 22.91% 22.95% +0.04%
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Files 34 34
Lines 4761 4813 +52
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+ Hits 1091 1105 +14
- Misses 3497 3535 +38
Partials 173 173
Flags with carried forward coverage won't be shown. Click here to find out more. ☔ View full report in Codecov by Sentry. |
Longhorn 9488 Signed-off-by: Shuo Wu <[email protected]>
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Actionable comments posted: 0
🧹 Outside diff range and nitpick comments (2)
app/cmd/basic/bdev_lvol.go (1)
634-656: Consider improving error handling.While the implementation is solid, consider these improvements:
- The error handling for client creation could be more specific
- The empty string validation is redundant since flags are marked as required
Apply this diff to improve the implementation:
func bdevLvolRename(c *cli.Context) error { spdkCli, err := client.NewClient(context.Background()) if err != nil { - return err + return fmt.Errorf("failed to create SPDK client: %v", err) } oldName := c.String("old-name") newName := c.String("new-name") - if oldName == "" || newName == "" { - return fmt.Errorf("both old-name and new-name must be provided") - } if oldName == newName { return fmt.Errorf("old-name and new-name must be different") }pkg/spdk/client/basic.go (1)
505-523: LGTM! Implementation looks solid with correct return pattern.The implementation follows the codebase patterns and uses appropriate timeout handling for rename operations. The return statement correctly uses
json.Unmarshalas suggested in the previous review.However, based on previous learnings, consider adding input validation:
Add validation to avoid unnecessary operations:
func (c *Client) BdevLvolRename(oldName, newName string) (renamed bool, err error) { + if oldName == newName { + return true, nil + } req := spdktypes.BdevLvolRenameRequest{ OldName: oldName, NewName: newName, }
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Configuration used: .coderabbit.yaml
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📒 Files selected for processing (4)
- app/cmd/basic/bdev_lvol.go (2 hunks)
- pkg/spdk/client/basic.go (1 hunks)
- pkg/spdk/spdk_test.go (2 hunks)
- pkg/spdk/types/lvol.go (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (2)
- pkg/spdk/spdk_test.go
- pkg/spdk/types/lvol.go
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📓 Learnings (2)
app/cmd/basic/bdev_lvol.go (1)
Learnt from: DamiaSan PR: longhorn/go-spdk-helper#157 File: app/cmd/basic/bdev_lvol.go:632-644 Timestamp: 2024-10-23T11:22:16.293Z Learning: When implementing rename functions, add input validation to ensure the new name is different from the old name to avoid unnecessary operations.pkg/spdk/client/basic.go (1)
Learnt from: DamiaSan PR: longhorn/go-spdk-helper#157 File: app/cmd/basic/bdev_lvol.go:632-644 Timestamp: 2024-10-23T11:22:16.293Z Learning: When implementing rename functions, add input validation to ensure the new name is different from the old name to avoid unnecessary operations.
🔇 Additional comments (2)
app/cmd/basic/bdev_lvol.go (2)
35-35: LGTM: Command registration is correct.The rename command is properly registered as a subcommand of the
bdev-lvolcommand.
610-632: LGTM: Command definition is well-structured.The command definition follows best practices:
- Required flags are properly marked
- Usage description clearly explains both input formats (UUID and alias)
- Flag descriptions are clear and consistent with other commands
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Longhorn 9488
Which issue(s) this PR fixes:
Issue longhorn/longhorn#9488
What this PR does / why we need it:
Special notes for your reviewer:
Additional documentation or context