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externalize cluster params #63

Merged
merged 3 commits into from
Sep 19, 2024
Merged

externalize cluster params #63

merged 3 commits into from
Sep 19, 2024

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dudizimber
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@dudizimber dudizimber commented Sep 19, 2024

fix #62

Summary by CodeRabbit

  • New Features

    • Enhanced cluster connection capabilities with additional configurable parameters for better control over connection behavior and error handling.
    • Improved FalkorDB class constructor for more flexible cluster management options.
  • Style

    • Updated formatting for improved readability in the constructor's parameters and consistent use of double quotes in the from_url method.

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Commits

Files that changed from the base of the PR and between 3d86622 and 8497e78.

Walkthrough

The pull request introduces enhancements to the Cluster_Conn function in the falkordb/cluster.py file and the FalkorDB class constructor in falkordb.py. It adds several parameters to improve configurability for establishing Redis cluster connections, including options for error handling and connection behavior. The internal logic remains largely unchanged, but the handling of parameters has been updated for better flexibility and robustness.

Changes

Files Change Summary
falkordb/cluster.py Modified Cluster_Conn function to include new parameters for enhanced configurability in Redis connections.
falkordb/falkordb.py Updated FalkorDB class constructor to accept additional parameters for cluster configuration; improved formatting for readability.

Assessment against linked issues

Objective Addressed Explanation
Improve connection setup with updated defaults (62)

Possibly related PRs

Suggested reviewers

  • AviAvni
  • dudizimber

Poem

In the code, a rabbit hops with glee,
New parameters for all to see.
Connections now more robust and bright,
Configurations dance in the light.
With every change, we celebrate,
A flexible world we create! 🐇✨


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codecov bot commented Sep 19, 2024

Codecov Report

Attention: Patch coverage is 70.00000% with 6 lines in your changes missing coverage. Please review.

Project coverage is 92.27%. Comparing base (dbdc712) to head (8497e78).
Report is 4 commits behind head on main.

Files with missing lines Patch % Lines
falkordb/falkordb.py 73.33% 4 Missing ⚠️
falkordb/cluster.py 60.00% 2 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main      #63      +/-   ##
==========================================
+ Coverage   91.98%   92.27%   +0.28%     
==========================================
  Files          35       35              
  Lines        2607     2601       -6     
==========================================
+ Hits         2398     2400       +2     
+ Misses        209      201       -8     

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

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Actionable comments posted: 5

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

129-129: Add Tests for Cluster Connection Initialization

The code initializing Cluster_Conn is not covered by existing tests, which might lead to undiscovered issues in cluster environments. Please add unit tests that cover the Is_Cluster(conn) condition and the initialization of Cluster_Conn to ensure robust cluster support.

Would you like assistance in writing these tests or opening a GitHub issue to track this task?

Tools
GitHub Check: codecov/patch

[warning] 129-129: falkordb/falkordb.py#L129
Added line #L129 was not covered by tests

Ruff

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

(F405)


168-169: Add Tests for Secure URL Handling

The handling of URLs starting with falkors:// ensures secure connections, but these lines are not covered by tests. To prevent potential issues with URL parsing and secure connection establishment, please add tests verifying that falkors:// URLs are correctly converted to rediss:// and that the connection uses SSL as intended.

Would you like assistance in writing these tests or opening a GitHub issue to track this task?

Tools
GitHub Check: codecov/patch

[warning] 168-169: falkordb/falkordb.py#L168-L169
Added lines #L168 - L169 were not covered by tests


195-197: Add Tests for Graph ID Validation

The exception handling for invalid graph_id values enhances code reliability, but currently, this logic is not covered by tests. Please add unit tests to verify that a TypeError is raised when graph_id is not a non-empty string.

Would you like assistance in writing these tests or opening a GitHub issue to track this task?

Tools
GitHub Check: codecov/patch

[warning] 195-195: falkordb/falkordb.py#L195
Added line #L195 was not covered by tests

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between dbdc712 and 3d86622.

Files selected for processing (2)
  • falkordb/cluster.py (1 hunks)
  • falkordb/falkordb.py (5 hunks)
Additional context used
GitHub Check: codecov/patch
falkordb/cluster.py

[warning] 25-25: falkordb/cluster.py#L25
Added line #L25 was not covered by tests


[warning] 31-31: falkordb/cluster.py#L31
Added line #L31 was not covered by tests

falkordb/falkordb.py

[warning] 129-129: falkordb/falkordb.py#L129
Added line #L129 was not covered by tests


[warning] 168-169: falkordb/falkordb.py#L168-L169
Added lines #L168 - L169 were not covered by tests


[warning] 195-195: falkordb/falkordb.py#L195
Added line #L195 was not covered by tests

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 (2)
falkordb/cluster.py (2)

14-21: Addition of Cluster Parameters Enhances Configurability

The new parameters (cluster_error_retry_attempts, startup_nodes, require_full_coverage, reinitialize_steps, read_from_replicas, dynamic_startup_nodes, url, address_remap) added to the Cluster_Conn function align with the PR objectives to externalize cluster parameters. This enhancement provides greater flexibility and control over the cluster connection settings.


31-38: Confirm Exception Classes in retry_on_error Are Correct

The retry_on_error parameter includes exceptions: ConnectionError, TimeoutError, and ConnectionRefusedError. Verify that these exception classes are correctly imported or built-in and are appropriate for retry logic in the context of Redis connections.

To ensure the exception classes are valid and won't cause runtime errors, run the following script:

This script checks if the exceptions are built-in and if there's any specific ConnectionError from the redis module that should be used.

Verification successful

To further investigate the exception classes used in the retry_on_error parameter, let's search the codebase for their imports and usage. This will help us verify if they are correctly used and appropriate for the context.


Exception Classes in retry_on_error Are Correct and Appropriate

The exception classes used in the retry_on_error parameter (ConnectionError, TimeoutError, and ConnectionRefusedError) are confirmed to be built-in Python exceptions. These are appropriate choices for handling network-related errors in the context of Redis connections:

  • ConnectionError: Handles general connection-related issues
  • TimeoutError: Manages connection or operation timeouts
  • ConnectionRefusedError: Deals with cases where the server refuses the connection

The usage of these exceptions is consistent with best practices for implementing retry logic in network operations. No changes are necessary.

Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify that exception classes used in retry_on_error are valid

# Test: Check if exception classes are built-in or imported
python -c "
try:
    from redis.exceptions import ConnectionError as RedisConnectionError
except ImportError:
    RedisConnectionError = None
print('Built-in ConnectionError:', isinstance(ConnectionError(), BaseException))
print('Built-in TimeoutError:', isinstance(TimeoutError(), BaseException))
print('Built-in ConnectionRefusedError:', isinstance(ConnectionRefusedError(), BaseException))
print('Redis ConnectionError imported:', RedisConnectionError)
"

Length of output: 557


Script:

#!/bin/bash
# Search for imports and usage of the exception classes

echo "Searching for imports of exception classes:"
rg "from .+ import (ConnectionError|TimeoutError|ConnectionRefusedError)" --type py

echo "\nSearching for usage of exception classes:"
rg "(ConnectionError|TimeoutError|ConnectionRefusedError)" --type py

Length of output: 501

Tools
GitHub Check: codecov/patch

[warning] 31-31: falkordb/cluster.py#L31
Added line #L31 was not covered by tests

connection_kwargs = conn.connection_pool.connection_kwargs
host = connection_kwargs.pop("host")
port = connection_kwargs.pop("port")
port = connection_kwargs.pop("port")
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Increase Test Coverage for Line 25

Static analysis indicates that line 25 (port = connection_kwargs.pop("port")) is not covered by tests. Adding unit tests that cover scenarios with different connection_kwargs configurations will improve code reliability and ensure that the function behaves as expected in various cases.

Tools
GitHub Check: codecov/patch

[warning] 25-25: falkordb/cluster.py#L25
Added line #L25 was not covered by tests


Potential KeyError When Popping 'port' from connection_kwargs

The line port = connection_kwargs.pop("port") assumes that the key 'port' is always present in connection_kwargs. If 'port' is missing, this will raise a KeyError. To prevent this, consider using connection_kwargs.get("port") with a default value or handling the exception appropriately.

Apply the following diff to safely retrieve 'port' with a default value (replace default_port with an appropriate default):

-port = connection_kwargs.pop("port")
+port = connection_kwargs.pop("port", default_port)

Committable suggestion was skipped due to low confidence.

Tools
GitHub Check: codecov/patch

[warning] 25-25: falkordb/cluster.py#L25
Added line #L25 was not covered by tests

url = connection_kwargs.pop("url", None)
address_remap = connection_kwargs.pop("address_remap", None)

retry_on_error = connection_kwargs.pop(
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Increase Test Coverage for Line 31

Line 31, where retry_on_error is extracted, is not currently covered by tests. It's important to add tests that verify the retry logic when different exceptions occur. This ensures that your connection handling is robust against network errors and other issues.

Tools
GitHub Check: codecov/patch

[warning] 31-31: falkordb/cluster.py#L31
Added line #L31 was not covered by tests

Comment on lines +70 to +77
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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Add Documentation for New Cluster Parameters

The new cluster parameters added to the __init__ method enhance cluster configuration flexibility. However, they lack corresponding explanations in the method's docstring. Please update the docstring to include descriptions for the following parameters:

  • cluster_error_retry_attempts
  • startup_nodes
  • require_full_coverage
  • reinitialize_steps
  • read_from_replicas
  • dynamic_startup_nodes
  • url
  • address_remap

Comment on lines 124 to 125
if Is_Sentinel(conn):
self.sentinel, self.service_name = Sentinel_Conn(conn, ssl)
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Replace Star Imports with Explicit Imports

The use of star imports (e.g., from .cluster import *) can lead to undefined names and make it harder to track dependencies. Specifically, Is_Sentinel and Sentinel_Conn may be undefined or unclear in origin. Consider replacing the star imports with explicit imports to improve code readability and prevent potential issues.

Apply this diff to replace star imports with explicit imports:

-from .cluster import *
+from .cluster import Is_Cluster, Cluster_Conn

-from .sentinel import *
+from .sentinel import Is_Sentinel, Sentinel_Conn

Committable suggestion was skipped due to low confidence.

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)

@dudizimber dudizimber merged commit 1544d89 into main Sep 19, 2024
8 of 9 checks passed
@dudizimber dudizimber deleted the fix-default-cluster-params branch September 19, 2024 07:00
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2 participants