fix: tryFixReplicationRelationships error

[wangshao1]

Summary by CodeRabbit

• New Features

  • None

• Bug Fixes

  • Updated Redis master setting command syntax
  • Simplified server replication relationship handling logic

• Refactor

  • Removed masterOffGroupLen parameter from replication-related methods
  • Streamlined server promotion conditions

• Chores

  • Minor internal method signature adjustments in Codis project

[coderabbitai]

Walkthrough

The changes involve modifications to the Codis project's topology management and Redis client utilities. The primary updates include removing the masterOffGroupLen parameter from replication-related methods in the Topom struct, simplifying the logic for handling server promotions and replication relationships. Additionally, a minor change was made to the SetMaster method in the Redis client, altering the SLAVEOF command syntax when forcing a master configuration.

Changes

File	Change Summary
codis/pkg/topom/topom_group.go	Removed masterOffGroupLen parameter from tryFixReplicationRelationships and tryFixReplicationRelationship methods, simplifying server promotion logic
codis/pkg/topom/topom_sentinel.go	Updated method call to tryFixReplicationRelationships by removing len(masterOfflineGroups) argument
codis/pkg/utils/redis/client.go	Modified SetMaster method to use "force" instead of "-f" when forcing master configuration

Poem

🐰 Hop, hop, through Codis' code we leap,
Trimming parameters, making logic neat
No more masterOffGroupLen to keep
Redis dancing to a simpler beat
Refactoring magic, clean and sweet! 🔧

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[coderabbitai]

Actionable comments posted: 0

🧹 Nitpick comments (1)

codis/pkg/topom/topom_group.go (1)

378-381: Double-check logic for recovering a former master.
When promoting a recovered master, confirm readiness in distributed environments. Consider verifying whether its offset is fully synchronized to avoid data loss.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 1b0990e and 6916f1a.

📒 Files selected for processing (3)

• codis/pkg/topom/topom_group.go (3 hunks)
• codis/pkg/topom/topom_sentinel.go (1 hunks)
• codis/pkg/utils/redis/client.go (1 hunks)

⏰ Context from checks skipped due to timeout of 90000ms (4)

• GitHub Check: build_on_ubuntu
• GitHub Check: build_on_centos
• GitHub Check: build_on_macos
• GitHub Check: Analyze (go)

🔇 Additional comments (5)

codis/pkg/topom/topom_sentinel.go (1)

51-51: Confirm that the removed parameter isn't required anywhere else.
Now that masterOffGroupLen has been removed, ensure that references to the old parameter are fully removed and that its logic doesn't need to be replicated elsewhere.

Run the following script to check for any lingering references to masterOffGroupLen:

✅ Verification successful

Parameter removal is safe and complete
The removed masterOffGroupLen parameter was not essential to the function's logic, and there are no remaining references to it in the codebase. The function still receives all necessary information through the recoveredGroupServersState parameter to handle recovered server relationships.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Search for references to masterOffGroupLen in the entire codebase
rg 'masterOffGroupLen'

Length of output: 22

---

Script:

#!/bin/bash
# Search for the function name and its context
rg -A 5 "tryFixReplicationRelationships" 

# Search for potential camelCase variations
rg -i "masteroff|master.?off"

# Find the function definition using AST
ast-grep --pattern 'func $_($_, $_, $_) {
  $$$
}'  codis/pkg/topom/topom_sentinel.go

Length of output: 1883

---

Script:

#!/bin/bash
# Check the file content
cat codis/pkg/topom/topom_sentinel.go

# Find the function with a simpler pattern
ast-grep --pattern 'func $_(ctx context.Context, $_) {
  $$$
}' codis/pkg/topom/topom_sentinel.go

# Find calls to this function
rg -l "tryFixReplicationRelationships"

Length of output: 4732

codis/pkg/utils/redis/client.go (1)

344-344: Validate Redis server compatibility.
Not all versions of Redis support "SLAVEOF host port force". Ensure your target Redis version or fork accepts the "force" argument to avoid errors.

codis/pkg/topom/topom_group.go (3)

333-333: Removal of the extra parameter looks consistent.
The tryFixReplicationRelationships method signature removal of masterOffGroupLen reduces complexity. Confirm that no logic was inadvertently lost by removing this parameter.

---

349-349: Ensure error handling after the call remains consistent.
err = s.tryFixReplicationRelationship(...) no longer has the masterOffGroupLen context. Verify invoked logic doesn't rely on it.

---

374-374: Significant signature simplification.
By removing masterOffGroupLen, the code becomes more straightforward. Continue to ensure that tryFixReplicationRelationship is only invoked when its conditions are met.