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57 changing the cluster conn function to use domain nameshostnames instead of ips #58

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@MuhammadQadora MuhammadQadora commented Sep 8, 2024

fix #57

Changed the Cluster_Conn function to use hostnames instead of ips

Summary by CodeRabbit

  • New Features

    • Enhanced Redis cluster connection functionality with additional configuration options for improved resilience and dynamic node management.
    • Introduced a retry mechanism for connection attempts to handle transient errors effectively.
    • Added new parameters to the FalkorDB class for more flexible connection configurations.
  • Bug Fixes

    • Improved access to new features by updating the Redis library dependency.
  • Chores

    • Modified the Redis library integration approach, shifting from a stable version to a direct Git repository reference.

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coderabbitai bot commented Sep 8, 2024

Walkthrough

The changes introduce significant enhancements to the Cluster_Conn function in falkordb/cluster.py, expanding its parameters for improved configuration of Redis cluster connections. The FalkorDB class's __init__ method has also been updated to include these parameters, enhancing its flexibility. Additionally, the Redis library dependency in pyproject.toml has been modified to reference a Git repository instead of a specific stable version.

Changes

Files Change Summary
falkordb/cluster.py Updated Cluster_Conn function signature with new parameters for enhanced Redis cluster connection.
falkordb/falkordb.py Modified FalkorDB class __init__ method to include new parameters and updated self.sentinel.master_for() call.
pyproject.toml Changed Redis dependency from a specific version to a Git repository reference to the master branch.

Assessment against linked issues

Objective Addressed Explanation
Changing the Cluster_Conn function to use domain names/hostnames instead of IPs (#57) It is unclear if the changes fully implement hostname support.

Possibly related PRs

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codecov bot commented Sep 8, 2024

Codecov Report

Attention: Patch coverage is 51.85185% with 13 lines in your changes missing coverage. Please review.

Project coverage is 92.27%. Comparing base (bae5d01) to head (adbbada).
Report is 8 commits behind head on main.

Files with missing lines Patch % Lines
falkordb/cluster.py 27.27% 8 Missing ⚠️
falkordb/falkordb.py 68.75% 5 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main      #58      +/-   ##
==========================================
- Coverage   92.37%   92.27%   -0.11%     
==========================================
  Files          35       35              
  Lines        2596     2601       +5     
==========================================
+ Hits         2398     2400       +2     
- Misses        198      201       +3     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

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Actionable comments posted: 2

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Files selected for processing (2)
  • falkordb/cluster.py (2 hunks)
  • pyproject.toml (1 hunks)
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GitHub Check: codecov/patch
falkordb/cluster.py

[warning] 12-13: falkordb/cluster.py#L12-L13
Added lines #L12 - L13 were not covered by tests


[warning] 17-17: falkordb/cluster.py#L17
Added line #L17 was not covered by tests

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falkordb/cluster.py (1)

12-13: Enhance the Cluster_Conn function with dynamic node retrieval.

The use of the CLUSTER NODES command to dynamically retrieve node information is a significant improvement, allowing for more flexible and robust connection setups. However, ensure that the ClusterNode class is properly defined and integrated within the system.

Tools
GitHub Check: codecov/patch

[warning] 12-13: falkordb/cluster.py#L12-L13
Added lines #L12 - L13 were not covered by tests

pyproject.toml Outdated
@@ -13,7 +13,7 @@ packages = [{include = "falkordb"}]

[tool.poetry.dependencies]
python = "^3.8"
redis = "^5.0.1"
redis = {git = "https://github.com/redis/redis-py", rev = "master"}
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Consider the implications of using the master branch for the Redis dependency.

Switching the Redis dependency to the master branch of its Git repository can introduce instability due to the inclusion of potentially untested changes. It's generally safer to depend on a specific release or a stable branch to ensure compatibility and stability of the application.

Consider using a tagged release or a stable branch instead of the master branch:

-redis = {git = "https://github.com/redis/redis-py", rev = "master"}
+redis = {git = "https://github.com/redis/redis-py", rev = "stable"}

Committable suggestion was skipped due to low confidence.

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I need to wait for an official release from redis.

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@MuhammadQadora, understood! Once the official release from Redis is available, we can revisit the dependency to ensure stability. Let me know if you need any further assistance in the meantime!

username = connection_kwargs['username']
password = connection_kwargs['password']

return RedisCluster(host=host, port=port, username=username, password=password, ssl=ssl)
return RedisCluster(Retry(default_backoff(),6),cluster_error_retry_attempts=6,startup_nodes=nodes,username=username,password=password,ssl=ssl)
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Implement retry mechanism in the Cluster_Conn function.

The addition of a retry mechanism using Retry with a default backoff strategy enhances the resilience of the connection process. This is a good practice for distributed systems where transient errors are common. However, ensure that the new lines of code are covered by unit tests to maintain code quality and reliability.

The static analysis tool indicates that these lines are not covered by tests. Consider adding unit tests to cover these new functionalities.

# Example unit test for the retry mechanism
def test_retry_mechanism():
    # Setup test
    # Assert retry behavior
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[warning] 17-17: falkordb/cluster.py#L17
Added line #L17 was not covered by tests

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Actionable comments posted: 0

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falkordb/cluster.py

[warning] 12-13: falkordb/cluster.py#L12-L13
Added lines #L12 - L13 were not covered by tests


[warning] 17-17: falkordb/cluster.py#L17
Added line #L17 was not covered by tests

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falkordb/cluster.py (2)

1-3: Approved new imports.

The imports of RedisCluster, ClusterNode, Retry, and default_backoff are essential for the updated functionality of the Cluster_Conn function.


12-13: Approved dynamic node retrieval.

The use of the CLUSTER NODES command to dynamically retrieve node information is a significant improvement. Ensure that the ClusterNode instantiation is correctly handled.

Run the following script to verify the correct instantiation of ClusterNode:

Verification successful

Correct instantiation of ClusterNode verified.

The ClusterNode is instantiated correctly using the hostname and port extracted from the CLUSTER NODES command output. This confirms the intended functionality of dynamically retrieving node information.

  • ClusterNode instantiation: ClusterNode(v['hostname'], k.split(':')[1])
Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the correct instantiation of `ClusterNode`.

# Test: Search for the instantiation pattern. Expect: Correct usage of hostname and port.
rg --type python -A 5 $'ClusterNode'

Length of output: 66


Script:

#!/bin/bash
# Description: Verify the correct instantiation of `ClusterNode`.

# Test: Search for the instantiation pattern. Expect: Correct usage of hostname and port.
rg --type py -A 5 $'ClusterNode'

Length of output: 844

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GitHub Check: codecov/patch

[warning] 12-13: falkordb/cluster.py#L12-L13
Added lines #L12 - L13 were not covered by tests

username = connection_kwargs['username']
password = connection_kwargs['password']

return RedisCluster(host=host, port=port, username=username, password=password, ssl=ssl)
return RedisCluster(Retry(default_backoff(),20),cluster_error_retry_attempts=6,startup_nodes=nodes,username=username,password=password,ssl=ssl)
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Implement unit tests for new retry mechanism.

The addition of a retry mechanism using Retry with a default backoff strategy enhances the resilience of the connection process. However, ensure that the new lines of code are covered by unit tests to maintain code quality and reliability.

Would you like me to help by generating the unit testing code or opening a GitHub issue to track this task?

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GitHub Check: codecov/patch

[warning] 17-17: falkordb/cluster.py#L17
Added line #L17 was not covered by tests

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  • falkordb/cluster.py (2 hunks)
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falkordb/cluster.py

[warning] 12-13: falkordb/cluster.py#L12-L13
Added lines #L12 - L13 were not covered by tests


[warning] 17-17: falkordb/cluster.py#L17
Added line #L17 was not covered by tests

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falkordb/cluster.py (1)

1-3: Imports are appropriate for the new functionality.

The import statements are correctly aligned with the new functionality introduced in the Cluster_Conn function.

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falkordb/cluster.py

[warning] 12-13: falkordb/cluster.py#L12-L13
Added lines #L12 - L13 were not covered by tests


[warning] 17-17: falkordb/cluster.py#L17
Added line #L17 was not covered by tests

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falkordb/cluster.py (1)

1-3: Review of Import Statements

The import statements for RedisCluster, ClusterNode, Retry, and default_backoff are correctly added to support the new functionality in the Cluster_Conn function. These imports are essential for the implementation of the retry mechanism and the dynamic retrieval of cluster nodes.

Comment on lines 12 to 17
info = conn.execute_command("CLUSTER NODES")
nodes = [ ClusterNode(v['hostname'],k.split(':')[1]) for k,v in info.items()]
connection_kwargs = conn.connection_pool.connection_kwargs
host = connection_kwargs['host']
port = connection_kwargs['port']
username = connection_kwargs['username']
password = connection_kwargs['password']

return RedisCluster(host=host, port=port, username=username, password=password, ssl=ssl)
return RedisCluster(Retry(default_backoff(),6),cluster_error_retry_attempts=20,startup_nodes=nodes,username=username,password=password,ssl=ssl)
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Enhancements and Concerns in Cluster_Conn Function

The modifications to Cluster_Conn function are well-aligned with the PR objectives, transitioning from IP-based to hostname-based connections. The use of CLUSTER NODES to dynamically retrieve node information and the implementation of a retry mechanism are significant improvements.

However, as indicated by static analysis tools and previous comments, these changes are not covered by unit tests. It is crucial to ensure that new functionalities work as expected and do not introduce regressions.

Would you like me to help by generating the unit testing code or opening a GitHub issue to track this task?

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GitHub Check: codecov/patch

[warning] 12-13: falkordb/cluster.py#L12-L13
Added lines #L12 - L13 were not covered by tests


[warning] 17-17: falkordb/cluster.py#L17
Added line #L17 was not covered by tests

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falkordb/cluster.py (1)

1-3: Imports are appropriate for the new functionality.

The imports of RedisCluster, ClusterNode, Retry, and default_backoff are necessary for the updated Cluster_Conn function to function correctly.

Comment on lines 12 to 17
info = conn.execute_command("CLUSTER NODES")
nodes = [ ClusterNode(v['hostname'],k.split(':')[1]) for k,v in info.items()]
connection_kwargs = conn.connection_pool.connection_kwargs
host = connection_kwargs['host']
port = connection_kwargs['port']
username = connection_kwargs['username']
password = connection_kwargs['password']

return RedisCluster(host=host, port=port, username=username, password=password, ssl=ssl)
return RedisCluster(Retry(default_backoff(),6),cluster_error_retry_attempts=6,startup_nodes=nodes,username=username,password=password,ssl=ssl)
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Significant improvements in Cluster_Conn but ensure unit tests are added.

The modifications to use the CLUSTER NODES command and dynamically construct ClusterNode instances are well-aligned with the PR objectives. The addition of a retry mechanism with a default backoff strategy enhances the resilience of the connection process.

However, as indicated by static analysis tools and previous comments, these changes are not covered by unit tests. It is crucial to ensure that new functionalities work as expected and do not introduce regressions.

Would you like me to help by generating the unit testing code or opening a GitHub issue to track this task?

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Actionable comments posted: 0

Outside diff range, codebase verification and nitpick comments (1)
falkordb/cluster.py (1)

Line range hint 1-19: Significant improvements in Cluster_Conn but ensure unit tests are added.

The modifications to use the CLUSTER NODES command and dynamically construct ClusterNode instances are well-aligned with the PR objectives. The addition of a retry mechanism with a default backoff strategy enhances the resilience of the connection process.

However, as indicated by static analysis tools and previous comments, these changes are not covered by unit tests. It is crucial to ensure that new functionalities work as expected and do not introduce regressions.

Would you like me to help by generating the unit testing code or opening a GitHub issue to track this task?

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falkordb/cluster.py (2)

12-13: LGTM! The changes align with the PR objectives.

The dynamic retrieval of Redis cluster node information using the CLUSTER NODES command and the construction of ClusterNode instances are significant improvements. These changes enable the use of hostnames instead of IP addresses, aligning with the PR objectives.


17-17: LGTM! The retry mechanism is a valuable addition.

The utilization of the Retry mechanism with a default backoff strategy enhances the resilience of the connection process. This is a good practice for distributed systems where transient errors are common.

The modification of the RedisCluster instantiation parameters to include the nodes list aligns with the changes made to retrieve cluster node information dynamically.

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falkordb/cluster.py (1)

12-13: Significant improvements in retrieving cluster node information, but ensure unit tests are added.

The modifications to use the CLUSTER NODES command and dynamically construct ClusterNode instances are well-aligned with the PR objectives. This change improves the flexibility and robustness of the connection setup process.

However, as indicated by the static analysis tool and previous comments, these lines are not covered by unit tests. It is crucial to ensure that the new functionality works as expected and does not introduce regressions.

Would you like me to help by generating the unit testing code or opening a GitHub issue to track this task?

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GitHub Check: codecov/patch

[warning] 12-13: falkordb/cluster.py#L12-L13
Added lines #L12 - L13 were not covered by tests

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falkordb/cluster.py

[warning] 12-13: falkordb/cluster.py#L12-L13
Added lines #L12 - L13 were not covered by tests


[warning] 17-17: falkordb/cluster.py#L17
Added line #L17 was not covered by tests

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falkordb/cluster.py (1)

17-17: Retry mechanism enhances fault-tolerance, but ensure unit tests are added.

The addition of the Retry mechanism with a default backoff strategy improves the resilience of the connection process by allowing for retries in case of transient errors. This change aligns with best practices for distributed systems.

However, as indicated by the static analysis tool and previous comments, this line is not covered by unit tests. It is crucial to ensure that the new functionality works as expected and does not introduce regressions.

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GitHub Check: codecov/patch

[warning] 17-17: falkordb/cluster.py#L17
Added line #L17 was not covered by tests

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falkordb/cluster.py (1)

Line range hint 1-49: Significant improvements in Cluster_Conn but ensure unit tests are added.

The modifications made to the Cluster_Conn function significantly enhance its capability to establish a Redis cluster connection. The handling of additional connection parameters and the implementation of a retry mechanism improve the flexibility and robustness of the connection setup.

These changes reflect a substantial improvement in the function's design, enabling it to handle a wider range of connection scenarios and enhancing its adaptability to different Redis cluster configurations.

However, as mentioned in the previous comments, it is crucial to ensure that the new functionalities introduced in the Cluster_Conn function are thoroughly covered by unit tests. This will help maintain code quality, prevent regressions, and ensure the proper functioning of the enhanced connection capabilities.

Would you like me to help by generating the unit testing code or opening a GitHub issue to track this task?

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falkordb/cluster.py (3)

11-14: LGTM!

The extraction of connection parameters using the pop method is implemented correctly.


16-30: Ensure unit tests are added for the new retry mechanism.

The extraction of optional parameters, including the retry-related options, is implemented correctly. However, as mentioned in the previous comments, it is crucial to add unit tests to cover the new retry mechanism and ensure its proper functioning.


32-49: Modifications to Cluster_Conn are well-aligned with PR objectives, but unit tests are still needed.

The inclusion of the new parameters in the RedisCluster instantiation is consistent with the changes made to extract them from the connection_kwargs dictionary. The modifications to the Cluster_Conn function are well-aligned with the PR objectives of enhancing the Redis cluster connection capabilities.

However, as mentioned in the previous comments, it is essential to ensure that the modified Cluster_Conn function is thoroughly covered by unit tests to maintain code quality and prevent regressions.

falkordb/falkordb.py (1)

103-103: Improved connection retry handling

The addition of the retry parameter to the master_for method call is a positive change. It allows for configurable retry behavior when establishing a connection to the master node in a Redis Sentinel setup. This enhancement improves the resilience of the connection process, particularly in scenarios where transient network issues might occur.

By passing the retry parameter from the constructor of the FalkorDB class, users gain more control over the retry settings when initializing the database connection. This flexibility is beneficial for adapting to different network environments and ensuring a more robust connection mechanism.

MuhammadQadora and others added 7 commits September 19, 2024 13:44
…eshostnames-instead-of-ips' of github.com:FalkorDB/falkordb-py into 57-changing-the-cluster_conn-function-to-use-domain-nameshostnames-instead-of-ips
…eshostnames-instead-of-ips' of github.com:FalkorDB/falkordb-py into 57-changing-the-cluster_conn-function-to-use-domain-nameshostnames-instead-of-ips
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🧹 Outside diff range and nitpick comments (7)
falkordb/cluster.py (3)

12-23: Excellent enhancement of connection flexibility.

The expanded function signature aligns well with the PR objectives, providing more granular control over cluster connections. The addition of parameters like url, address_remap, and dynamic_startup_nodes suggests improved support for complex network configurations.

Consider updating the function's docstring to explain the purpose and expected values of each new parameter. This will greatly aid users of this function.


25-41: Robust handling of connection and retry parameters.

The extraction of connection parameters and the detailed handling of retry options, especially the comprehensive retry_on_error list, significantly enhance the function's error resilience and flexibility.

Consider moving the list of exceptions for retry_on_error to a module-level constant. This would improve readability and make it easier to maintain or extend in the future.

RETRY_ON_ERROR_EXCEPTIONS = [
    ConnectionRefusedError,
    ConnectionError,
    TimeoutError,
    socket.timeout,
    redis_exceptions.ConnectionError,
]

# Then in the function:
retry_on_error = connection_kwargs.pop("retry_on_error", RETRY_ON_ERROR_EXCEPTIONS)

1-59: Excellent enhancements to Cluster_Conn, consider adding unit tests.

The changes to the Cluster_Conn function significantly improve its flexibility and error handling capabilities. The addition of new parameters for detailed cluster configuration and the implementation of retry mechanisms align well with the PR objectives.

To ensure the reliability of these new features, it would be beneficial to add unit tests covering the new functionality, especially:

  1. The handling of new parameters
  2. The retry mechanism
  3. Error scenarios with the new exception handling

Would you like me to help by generating some unit test templates or opening a GitHub issue to track this task?

falkordb/falkordb.py (4)

69-77: LGTM! Consider adding parameter documentation.

The new parameters added to the __init__ method align well with the PR objective of enhancing cluster connection functionality. They provide greater flexibility in configuring cluster connections while maintaining backward compatibility with default values.

Consider adding docstring comments for these new parameters to improve code documentation and make it easier for users to understand their purpose and usage.


126-126: LGTM! Consider additional error handling.

The addition of the retry parameter to the sentinel.master_for method call improves connection reliability, which is a positive change.

Consider wrapping this call in a try-except block to handle potential connection errors gracefully. This would further improve the robustness of the connection process.


129-140: LGTM! Consider improving import statements.

The changes in the Cluster_Conn function call correctly pass all the new cluster configuration options, implementing the PR objective of enhancing cluster connection functionality.

Consider replacing the star import from .cluster import * with explicit imports of the required functions (e.g., from .cluster import Cluster_Conn, Is_Cluster). This would improve code readability and maintainability by making it clear which functions are being used from the cluster module.

🧰 Tools
Ruff

129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)


Line range hint 2-3: Address potential undefined variables warnings.

The static analysis tool Ruff has reported potential undefined variables: Is_Sentinel, Sentinel_Conn, Is_Cluster, and Cluster_Conn. These warnings are likely due to the star imports from .cluster and .sentinel modules.

To resolve these warnings and improve code clarity:

  1. Replace the star imports with explicit imports:
from .cluster import Is_Cluster, Cluster_Conn
from .sentinel import Is_Sentinel, Sentinel_Conn
  1. If these functions are meant to be part of the public API of the falkordb package, consider adding them to the __all__ list in the respective modules.

This change will make the code more explicit about its dependencies and reduce the risk of naming conflicts.

📜 Review details

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Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between da45121 and d795189.

🔇 Files ignored due to path filters (1)
  • poetry.lock is excluded by !**/*.lock
📒 Files selected for processing (3)
  • falkordb/cluster.py (1 hunks)
  • falkordb/falkordb.py (5 hunks)
  • pyproject.toml (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
  • pyproject.toml
🧰 Additional context used
Ruff
falkordb/falkordb.py

124-124: Is_Sentinel may be undefined, or defined from star imports

(F405)


125-125: Sentinel_Conn may be undefined, or defined from star imports

(F405)


128-128: Is_Cluster may be undefined, or defined from star imports

(F405)


129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)

🔇 Additional comments not posted (4)
falkordb/cluster.py (2)

2-2: LGTM: Appropriate import for exception handling.

The addition of the import statement for redis exceptions is consistent with the enhanced error handling in the Cluster_Conn function. This is a good practice as it allows for more specific exception handling.


42-59: Comprehensive RedisCluster instantiation with new parameters.

The RedisCluster instantiation correctly incorporates all the new parameters, enhancing the flexibility and configurability of the cluster connection. The order of parameters is logical and easy to follow.

To ensure that all new parameters are being used correctly, please run the following verification script:

This script will help confirm that all new parameters introduced in the Cluster_Conn function signature are indeed being passed to the RedisCluster constructor.

✅ Verification successful

RedisCluster instantiation correctly uses all new parameters.

All the new parameters introduced in the Cluster_Conn function are successfully passed to the RedisCluster constructor, ensuring enhanced flexibility and configurability of the cluster connection.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify that all new parameters in Cluster_Conn are used in RedisCluster instantiation

# Test: Check if all new parameters are present in the RedisCluster instantiation
rg --type python -e 'def Cluster_Conn' -A 50 falkordb/cluster.py | grep -E '(cluster_error_retry_attempts|startup_nodes|require_full_coverage|reinitialize_steps|read_from_replicas|dynamic_startup_nodes|url|address_remap)='

Length of output: 255


Script:

#!/bin/bash
# Description: Verify that all new parameters in Cluster_Conn are used in RedisCluster instantiation

# Use fd to find the cluster.py file and then grep for the parameter assignments
fd 'cluster\.py$' . --type f --exec rg -A 50 'def Cluster_Conn' {} | grep -E '(cluster_error_retry_attempts|startup_nodes|require_full_coverage|reinitialize_steps|read_from_replicas|dynamic_startup_nodes|url|address_remap)='

Length of output: 805

falkordb/falkordb.py (2)

80-122: LGTM! Consistent parameter passing.

The changes in the redis.Redis instantiation correctly pass all the new configuration options to the underlying Redis connection. This ensures consistency between the FalkorDB class interface and the Redis connection, which is crucial for proper functionality.


Line range hint 1-241: Overall, great improvements to cluster connection functionality!

The changes in this file significantly enhance the FalkorDB class's ability to handle cluster connections, aligning well with the PR objectives. The new parameters and their integration into the connection logic provide greater flexibility and configurability.

Key points:

  1. New cluster-related parameters have been added to the __init__ method.
  2. These parameters are correctly passed to the underlying Redis and Cluster connections.
  3. The changes maintain backward compatibility while introducing new features.

Suggestions for further improvement:

  1. Add parameter documentation for the new __init__ method parameters.
  2. Consider additional error handling for the Sentinel connection.
  3. Replace star imports with explicit imports to improve code clarity and address static analysis warnings.

Great work on enhancing the FalkorDB functionality!

🧰 Tools
Ruff

124-124: Is_Sentinel may be undefined, or defined from star imports

(F405)


125-125: Sentinel_Conn may be undefined, or defined from star imports

(F405)


128-128: Is_Cluster may be undefined, or defined from star imports

(F405)


129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)

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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (4)
falkordb/falkordb.py (4)

29-78: LGTM! Consider adding type hints for new parameters.

The additions to the __init__ method signature align well with the PR objective of enhancing cluster connection functionality. The new parameters provide greater flexibility in configuring cluster connections, which is a positive improvement.

Consider adding type hints for the new parameters to improve code readability and maintainability. For example:

def __init__(
    self,
    # ... existing parameters ...
    cluster_error_retry_attempts: int = 3,
    startup_nodes: Optional[List[Dict[str, Union[str, int]]]] = None,
    require_full_coverage: bool = False,
    # ... other new parameters ...
):

129-140: LGTM! Cluster connection enhancement implemented correctly.

The updates to the Cluster_Conn function call directly address the PR objective of enhancing cluster connection functionality. The new parameters allow for more flexible and robust cluster configurations, which is a significant improvement.

Consider adding a comment explaining the purpose of these new parameters, especially for less obvious ones like reinitialize_steps or dynamic_startup_nodes. This would improve code maintainability and help future developers understand the configuration options.

🧰 Tools
🪛 Ruff

129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)


166-177: LGTM! Improved URL handling and instance initialization.

The updates to the from_url method are well-implemented. The support for FalkorDB-specific URL schemes ('falkor://' and 'falkors://') improves flexibility, and the use of connection kwargs to initialize a FalkorDB instance ensures consistency with the new parameters.

Consider adding error handling for unsupported URL schemes. For example:

if url.startswith("falkor://"):
    url = "redis://" + url[len("falkor://"):]
elif url.startswith("falkors://"):
    url = "rediss://" + url[len("falkors://"):]
elif not url.startswith(("redis://", "rediss://", "unix://")):
    raise ValueError(f"Unsupported URL scheme: {url}")

This would provide clearer feedback if an invalid URL scheme is used.


124-129: Consider explicit imports to resolve potential undefined variable warnings.

The static analysis tool has flagged potential issues with undefined variables (Is_Sentinel, Sentinel_Conn, Is_Cluster, and Cluster_Conn). These are likely false positives due to star imports. However, to improve code clarity and resolve these warnings, consider using explicit imports instead of star imports.

Replace the star import:

from .cluster import *
from .sentinel import *

with explicit imports:

from .cluster import Is_Cluster, Cluster_Conn
from .sentinel import Is_Sentinel, Sentinel_Conn

This change would make the code more explicit about its dependencies and resolve the static analysis warnings.

🧰 Tools
🪛 Ruff

124-124: Is_Sentinel may be undefined, or defined from star imports

(F405)


125-125: Sentinel_Conn may be undefined, or defined from star imports

(F405)


128-128: Is_Cluster may be undefined, or defined from star imports

(F405)


129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)

📜 Review details

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Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between d795189 and d05f644.

📒 Files selected for processing (1)
  • falkordb/falkordb.py (5 hunks)
🧰 Additional context used
🪛 Ruff
falkordb/falkordb.py

124-124: Is_Sentinel may be undefined, or defined from star imports

(F405)


125-125: Sentinel_Conn may be undefined, or defined from star imports

(F405)


128-128: Is_Cluster may be undefined, or defined from star imports

(F405)


129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)

🔇 Additional comments (3)
falkordb/falkordb.py (3)

80-122: LGTM! Existing connection initialization preserved.

The Redis connection initialization remains unchanged, which is appropriate as the new parameters are specific to cluster configuration. This approach maintains compatibility with non-cluster scenarios.


126-126: LGTM! Enhanced Sentinel connection resilience.

The addition of the retry parameter to the master_for method call is a good improvement. It enhances the resilience of Sentinel connections, aligning with the overall goal of improving connection handling.


Line range hint 1-241: Overall, excellent implementation of cluster connection enhancements.

The changes in this file successfully address the PR objective of enhancing cluster connection functionality. The additions to the __init__ method, updates to cluster and sentinel connections, and improvements in URL handling all contribute to a more flexible and robust FalkorDB class.

Key improvements:

  1. Added new parameters for fine-grained cluster configuration.
  2. Enhanced Sentinel connection resilience with the retry parameter.
  3. Updated from_url method to support FalkorDB-specific URL schemes.

Minor suggestions have been made to further improve code quality, including adding type hints, improving documentation, and resolving potential import issues.

Great work on this implementation!

🧰 Tools
🪛 Ruff

124-124: Is_Sentinel may be undefined, or defined from star imports

(F405)


125-125: Sentinel_Conn may be undefined, or defined from star imports

(F405)


128-128: Is_Cluster may be undefined, or defined from star imports

(F405)


129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)

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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (4)
falkordb/falkordb.py (4)

69-77: LGTM! Consider adding parameter descriptions.

The new cluster-related parameters enhance the flexibility of the FalkorDB class, aligning well with the PR objectives. These additions will allow for more fine-grained control over cluster connections.

Consider adding parameter descriptions in the docstring for these new parameters to improve code documentation and usability.


129-140: LGTM! Consider using keyword arguments for clarity.

The updated Cluster_Conn function call with new parameters aligns well with the PR objectives and allows for more flexible cluster configuration. This change enhances the connection method as intended.

For improved readability, consider using keyword arguments when calling Cluster_Conn. This would make the function call more self-documenting, especially with the increased number of parameters. For example:

conn = Cluster_Conn(
    conn,
    ssl=ssl,
    cluster_error_retry_attempts=cluster_error_retry_attempts,
    startup_nodes=startup_nodes,
    require_full_coverage=require_full_coverage,
    # ... (other parameters)
)
🧰 Tools
🪛 Ruff

129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)


166-169: Good addition of FalkorDB-specific URL handling.

The new logic for handling "falkor://" and "falkors://" URL schemes is a good addition. It allows users to use FalkorDB-specific URL schemes while maintaining compatibility with the underlying Redis connection.

Consider adding an else clause to handle unexpected URL schemes. This would improve error handling and provide clearer feedback to users. For example:

if url.startswith("falkor://"):
    url = "redis://" + url[len("falkor://"):]
elif url.startswith("falkors://"):
    url = "rediss://" + url[len("falkors://"):]
else:
    raise ValueError(f"Unsupported URL scheme: {url}")

Line range hint 2-3: Consider explicit imports for better code clarity.

The static analysis tool Ruff reports potential undefined names: Is_Sentinel, Sentinel_Conn, Is_Cluster, and Cluster_Conn. These are likely imported from the cluster and sentinel modules using star imports.

While star imports can simplify the API, they may lead to namespace pollution and make it harder to track the origin of functions. Consider using explicit imports for better code clarity and maintainability. For example:

from .cluster import Is_Cluster, Cluster_Conn
from .sentinel import Is_Sentinel, Sentinel_Conn

This change would make it clearer where these functions are coming from and could help prevent potential naming conflicts in the future.

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Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between d05f644 and 343f0c0.

📒 Files selected for processing (1)
  • falkordb/falkordb.py (5 hunks)
🧰 Additional context used
🪛 Ruff
falkordb/falkordb.py

124-124: Is_Sentinel may be undefined, or defined from star imports

(F405)


125-125: Sentinel_Conn may be undefined, or defined from star imports

(F405)


128-128: Is_Cluster may be undefined, or defined from star imports

(F405)


129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)

🔇 Additional comments (2)
falkordb/falkordb.py (2)

126-126: Good addition of retry parameter.

Adding the retry parameter to the sentinel.master_for method call enhances error handling for sentinel connections. This change improves the robustness of the connection process and is consistent with the retry parameter passed to the Redis connection.


Line range hint 1-241: Overall, excellent implementation of cluster connection enhancements.

The changes in this file successfully address the PR objectives by enhancing the Cluster_Conn function to support hostnames and providing more flexible configuration options. The implementation is well-structured and maintains compatibility with existing code.

Key improvements:

  1. Added new cluster-related parameters to the __init__ method.
  2. Updated the Cluster_Conn function call with new parameters.
  3. Enhanced URL handling to support FalkorDB-specific schemes.

These changes will significantly improve the flexibility and usability of FalkorDB cluster connections.

To further enhance the code:

  1. Consider adding parameter descriptions in the docstring for the new cluster-related parameters.
  2. Use keyword arguments in the Cluster_Conn function call for better readability.
  3. Improve error handling in the URL scheme conversion.
  4. Consider using explicit imports instead of star imports for better code clarity.

Great work on implementing these enhancements!

🧰 Tools
🪛 Ruff

124-124: Is_Sentinel may be undefined, or defined from star imports

(F405)


125-125: Sentinel_Conn may be undefined, or defined from star imports

(F405)


128-128: Is_Cluster may be undefined, or defined from star imports

(F405)


129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)

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Actionable comments posted: 2

🧹 Outside diff range and nitpick comments (1)
falkordb/falkordb.py (1)

Line range hint 2-3: Avoid wildcard imports for better clarity and maintainability.

Using from .cluster import * and from .sentinel import * can pollute the namespace and make it difficult to track where specific functions or classes are coming from. It's best practice to explicitly import only the necessary components.

Consider updating the imports as follows:

-from .cluster import *
-from .sentinel import *
+from .cluster import Cluster_Conn, Is_Cluster
+from .sentinel import Sentinel_Conn, Is_Sentinel
📜 Review details

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Files that changed from the base of the PR and between 343f0c0 and a43db2e.

📒 Files selected for processing (1)
  • falkordb/falkordb.py (5 hunks)
🧰 Additional context used
🪛 Ruff
falkordb/falkordb.py

124-124: Is_Sentinel may be undefined, or defined from star imports

(F405)


125-125: Sentinel_Conn may be undefined, or defined from star imports

(F405)


128-128: Is_Cluster may be undefined, or defined from star imports

(F405)


129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)

🔇 Additional comments (2)
falkordb/falkordb.py (2)

12-12: Cleaned up class definition.

The removal of unnecessary parentheses in the class definition improves readability. Defining the class as class FalkorDB: is appropriate when not inheriting from any superclass.


80-122: Verify the validity of parameters passed to redis.Redis.

Ensure that all parameters passed to redis.Redis are valid and supported by the Redis client library. Passing unsupported parameters can lead to runtime errors.

You can confirm the valid parameters by checking the Redis client's documentation or by running the following command:

Comment on lines +29 to +78
self,
host="localhost",
port=6379,
password=None,
socket_timeout=None,
socket_connect_timeout=None,
socket_keepalive=None,
socket_keepalive_options=None,
connection_pool=None,
unix_socket_path=None,
encoding="utf-8",
encoding_errors="strict",
charset=None,
errors=None,
retry_on_timeout=False,
retry_on_error=None,
ssl=False,
ssl_keyfile=None,
ssl_certfile=None,
ssl_cert_reqs="required",
ssl_ca_certs=None,
ssl_ca_path=None,
ssl_ca_data=None,
ssl_check_hostname=False,
ssl_password=None,
ssl_validate_ocsp=False,
ssl_validate_ocsp_stapled=False,
ssl_ocsp_context=None,
ssl_ocsp_expected_cert=None,
max_connections=None,
single_connection_client=False,
health_check_interval=0,
client_name=None,
lib_name="FalkorDB",
lib_version="1.0.0",
username=None,
retry=None,
connect_func=None,
credential_provider=None,
protocol=2,
# FalkorDB Cluster Params
cluster_error_retry_attempts=3,
startup_nodes=None,
require_full_coverage=False,
reinitialize_steps=5,
read_from_replicas=False,
dynamic_startup_nodes=True,
url=None,
address_remap=None,
):
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🛠️ Refactor suggestion

Refactor __init__ parameters for enhanced maintainability.

The __init__ method has a lengthy list of parameters, which can make the code harder to read and maintain. Consider grouping related parameters into a configuration object or using **kwargs to simplify the method signature and improve readability.

Comment on lines 124 to 129
if Is_Sentinel(conn):
self.sentinel, self.service_name = Sentinel_Conn(conn, ssl)
conn = self.sentinel.master_for(self.service_name, ssl=ssl)
conn = self.sentinel.master_for(self.service_name, retry=retry, retry_on_error=retry_on_error)

if Is_Cluster(conn):
conn = Cluster_Conn(conn, ssl)

self.connection = conn
self.flushdb = conn.flushdb
conn = Cluster_Conn(
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⚠️ Potential issue

Ensure proper import of Is_Sentinel, Sentinel_Conn, Is_Cluster, and Cluster_Conn.

These functions may be undefined due to the use of wildcard imports. This can cause NameError exceptions at runtime.

After updating the imports as previously suggested, this issue should be resolved.

🧰 Tools
🪛 Ruff

124-124: Is_Sentinel may be undefined, or defined from star imports

(F405)


125-125: Sentinel_Conn may be undefined, or defined from star imports

(F405)


128-128: Is_Cluster may be undefined, or defined from star imports

(F405)


129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)

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Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between a43db2e and 674c651.

📒 Files selected for processing (1)
  • falkordb/falkordb.py (5 hunks)
🧰 Additional context used
🪛 Ruff
falkordb/falkordb.py

124-124: Is_Sentinel may be undefined, or defined from star imports

(F405)


125-125: Sentinel_Conn may be undefined, or defined from star imports

(F405)


128-128: Is_Cluster may be undefined, or defined from star imports

(F405)


129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)

🔇 Additional comments (2)
falkordb/falkordb.py (2)

70-77: Enhanced __init__ with cluster configuration parameters

The addition of cluster-related parameters to the __init__ method enhances the flexibility and configurability of the FalkorDB class, allowing for more precise control over cluster connections.


129-140: Updated cluster connection using new parameters

The Cluster_Conn function now incorporates the new cluster parameters, ensuring that the cluster connection is established with the specified configurations.

🧰 Tools
🪛 Ruff

129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)

lib_version=lib_version,
username=username,
retry=retry,
redis_connect_func=connect_func,
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⚠️ Potential issue

Potential issue: Invalid parameter redis_connect_func

The redis.Redis constructor does not have a parameter named redis_connect_func. Including this parameter may lead to a TypeError at runtime.

Apply this diff to fix the issue:

            username=username,
            retry=retry,
-           redis_connect_func=connect_func,

Please verify if connect_func is required, and remove or replace it with the correct parameter if necessary.

Committable suggestion was skipped due to low confidence.

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Actionable comments posted: 1

🧹 Outside diff range and nitpick comments (3)
falkordb/falkordb.py (3)

12-12: Approve class definition change and suggest parameter grouping for __init__.

The simplified class definition is a good style improvement. However, the __init__ method now has a very long list of parameters, which could make the code harder to maintain. Consider grouping related parameters into configuration objects or using **kwargs to simplify the method signature.

Here's a suggestion to improve maintainability:

def __init__(
    self,
    host="localhost",
    port=6379,
    **kwargs
):
    # Group related parameters
    redis_config = {
        'password': kwargs.get('password'),
        'socket_timeout': kwargs.get('socket_timeout'),
        # ... other Redis-specific parameters
    }
    
    cluster_config = {
        'cluster_error_retry_attempts': kwargs.get('cluster_error_retry_attempts', 3),
        'startup_nodes': kwargs.get('startup_nodes'),
        # ... other cluster-specific parameters
    }
    
    # Use the grouped configurations in your connection logic
    # ...

This approach would make the method signature more concise while still allowing for all the configuration options.

Also applies to: 29-78


124-126: Approve Sentinel connection changes and suggest import improvements.

The changes to Sentinel connection handling, including the addition of ssl, retry, and retry_on_error parameters, are appropriate and align with the enhanced configuration options.

To improve code clarity and avoid potential naming conflicts, consider replacing the wildcard imports with explicit imports:

from .sentinel import Is_Sentinel, Sentinel_Conn

This change will make it clear where these functions are coming from and reduce the risk of naming conflicts.

🧰 Tools
🪛 Ruff

124-124: Is_Sentinel may be undefined, or defined from star imports

(F405)


125-125: Sentinel_Conn may be undefined, or defined from star imports

(F405)


128-140: Approve Cluster connection changes and suggest import improvements.

The changes to Cluster connection handling, including the addition of numerous new parameters, are appropriate and align with the PR objective of enhancing cluster connection functionality.

To improve code clarity and avoid potential naming conflicts, consider replacing the wildcard imports with explicit imports:

from .cluster import Is_Cluster, Cluster_Conn

This change will make it clear where these functions are coming from and reduce the risk of naming conflicts.

🧰 Tools
🪛 Ruff

128-128: Is_Cluster may be undefined, or defined from star imports

(F405)


129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)

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Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 674c651 and 4c485b4.

📒 Files selected for processing (1)
  • falkordb/falkordb.py (5 hunks)
🧰 Additional context used
🪛 Ruff
falkordb/falkordb.py

124-124: Is_Sentinel may be undefined, or defined from star imports

(F405)


125-125: Sentinel_Conn may be undefined, or defined from star imports

(F405)


128-128: Is_Cluster may be undefined, or defined from star imports

(F405)


129-129: Cluster_Conn may be undefined, or defined from star imports

(F405)

🔇 Additional comments (1)
falkordb/falkordb.py (1)

166-177: Approve changes to from_url method.

The additions to handle falkor:// and falkors:// URL schemes, along with the extraction of connection parameters from the Redis connection, are well-implemented. These changes improve the usability of the library and ensure correct initialization of the FalkorDB instance.

Comment on lines +80 to +122
conn = redis.Redis(
host=host,
port=port,
db=0,
password=password,
socket_timeout=socket_timeout,
socket_connect_timeout=socket_connect_timeout,
socket_keepalive=socket_keepalive,
socket_keepalive_options=socket_keepalive_options,
connection_pool=connection_pool,
unix_socket_path=unix_socket_path,
encoding=encoding,
encoding_errors=encoding_errors,
charset=charset,
errors=errors,
decode_responses=True,
retry_on_timeout=retry_on_timeout,
retry_on_error=retry_on_error,
ssl=ssl,
ssl_keyfile=ssl_keyfile,
ssl_certfile=ssl_certfile,
ssl_cert_reqs=ssl_cert_reqs,
ssl_ca_certs=ssl_ca_certs,
ssl_ca_path=ssl_ca_path,
ssl_ca_data=ssl_ca_data,
ssl_check_hostname=ssl_check_hostname,
ssl_password=ssl_password,
ssl_validate_ocsp=ssl_validate_ocsp,
ssl_validate_ocsp_stapled=ssl_validate_ocsp_stapled,
ssl_ocsp_context=ssl_ocsp_context,
ssl_ocsp_expected_cert=ssl_ocsp_expected_cert,
max_connections=max_connections,
single_connection_client=single_connection_client,
health_check_interval=health_check_interval,
client_name=client_name,
lib_name=lib_name,
lib_version=lib_version,
username=username,
retry=retry,
redis_connect_func=connect_func,
credential_provider=credential_provider,
protocol=protocol,
)
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⚠️ Potential issue

Remove invalid parameter redis_connect_func from Redis initialization.

The redis.Redis constructor does not have a parameter named redis_connect_func. Including this parameter may lead to a TypeError at runtime.

Apply this diff to fix the issue:

-           redis_connect_func=connect_func,

If connect_func is intended for custom connection logic, consider using it before initializing the Redis connection or explore if it can be used with the connection_pool parameter.

📝 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.

Suggested change
conn = redis.Redis(
host=host,
port=port,
db=0,
password=password,
socket_timeout=socket_timeout,
socket_connect_timeout=socket_connect_timeout,
socket_keepalive=socket_keepalive,
socket_keepalive_options=socket_keepalive_options,
connection_pool=connection_pool,
unix_socket_path=unix_socket_path,
encoding=encoding,
encoding_errors=encoding_errors,
charset=charset,
errors=errors,
decode_responses=True,
retry_on_timeout=retry_on_timeout,
retry_on_error=retry_on_error,
ssl=ssl,
ssl_keyfile=ssl_keyfile,
ssl_certfile=ssl_certfile,
ssl_cert_reqs=ssl_cert_reqs,
ssl_ca_certs=ssl_ca_certs,
ssl_ca_path=ssl_ca_path,
ssl_ca_data=ssl_ca_data,
ssl_check_hostname=ssl_check_hostname,
ssl_password=ssl_password,
ssl_validate_ocsp=ssl_validate_ocsp,
ssl_validate_ocsp_stapled=ssl_validate_ocsp_stapled,
ssl_ocsp_context=ssl_ocsp_context,
ssl_ocsp_expected_cert=ssl_ocsp_expected_cert,
max_connections=max_connections,
single_connection_client=single_connection_client,
health_check_interval=health_check_interval,
client_name=client_name,
lib_name=lib_name,
lib_version=lib_version,
username=username,
retry=retry,
redis_connect_func=connect_func,
credential_provider=credential_provider,
protocol=protocol,
)
conn = redis.Redis(
host=host,
port=port,
db=0,
password=password,
socket_timeout=socket_timeout,
socket_connect_timeout=socket_connect_timeout,
socket_keepalive=socket_keepalive,
socket_keepalive_options=socket_keepalive_options,
connection_pool=connection_pool,
unix_socket_path=unix_socket_path,
encoding=encoding,
encoding_errors=encoding_errors,
charset=charset,
errors=errors,
decode_responses=True,
retry_on_timeout=retry_on_timeout,
retry_on_error=retry_on_error,
ssl=ssl,
ssl_keyfile=ssl_keyfile,
ssl_certfile=ssl_certfile,
ssl_cert_reqs=ssl_cert_reqs,
ssl_ca_certs=ssl_ca_certs,
ssl_ca_path=ssl_ca_path,
ssl_ca_data=ssl_ca_data,
ssl_check_hostname=ssl_check_hostname,
ssl_password=ssl_password,
ssl_validate_ocsp=ssl_validate_ocsp,
ssl_validate_ocsp_stapled=ssl_validate_ocsp_stapled,
ssl_ocsp_context=ssl_ocsp_context,
ssl_ocsp_expected_cert=ssl_ocsp_expected_cert,
max_connections=max_connections,
single_connection_client=single_connection_client,
health_check_interval=health_check_interval,
client_name=client_name,
lib_name=lib_name,
lib_version=lib_version,
username=username,
retry=retry,
credential_provider=credential_provider,
protocol=protocol,
)

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Changing the Cluster_Conn function to use domain names/hostnames instead of ips
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