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Zhongwei Li
2025-11-30 08:23:14 +08:00
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skills/load-balancer-tester/assets/README.md Normal file
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# Assets
Bundled resources for load-balancer-tester skill
- [ ] test_template.json: JSON template for defining load balancer test configurations.
- [ ] report_template.html: HTML template for generating load balancer test reports.
- [ ] example_config.conf: Example load balancer configuration file.

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skills/load-balancer-tester/assets/example_config.conf Normal file
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# Example Load Balancer Configuration File
# This file provides a template for configuring the load balancer settings
# to be used with the load-balancer-tester plugin.
# --- General Configuration ---
# Name of the load balancer (used for identification)
load_balancer_name = "my-load-balancer"
# Load balancing strategy:
# Options: round-robin, weighted-round-robin, least-connections, ip-hash
load_balancing_strategy = "round-robin"
# --- Backend Server Configuration ---
# List of backend servers with their respective weights (if applicable)
# Format: "server_address:port:weight"
# Example: "192.168.1.10:8080:10", "192.168.1.11:8080:20", "192.168.1.12:8080" (default weight is 1)
backend_servers = [
"server1.example.com:80:1",
"server2.example.com:80:1",
"server3.example.com:80:1"
]
# --- Health Check Configuration ---
# Health check endpoint for backend servers
health_check_endpoint = "/health"
# Health check interval (in seconds)
health_check_interval = 5
# Health check timeout (in seconds)
health_check_timeout = 2
# Number of consecutive successful health checks required to mark a server as healthy
healthy_threshold = 3
# Number of consecutive failed health checks required to mark a server as unhealthy
unhealthy_threshold = 3
# --- Session Persistence (Sticky Sessions) Configuration ---
# Enable or disable sticky sessions
sticky_sessions_enabled = false
# Cookie name for session persistence (if sticky sessions are enabled)
sticky_session_cookie_name = "LB_SESSION"
# --- Failover Configuration ---
# Time to wait before considering a server as failed (in seconds)
failover_timeout = 10
# --- Traffic Distribution Validation ---
# Number of requests to send for traffic distribution validation
number_of_requests = 1000
# --- Advanced Configuration (Optional) ---
# Custom headers to be added to the requests
# Format: "header_name:header_value"
# Example: "X-Custom-Header:MyValue"
custom_headers = [
# "X-Request-ID: $RANDOM_UUID" # Example - replace with your desired logic
]
# Request method to use for testing (GET, POST, PUT, DELETE, etc.)
request_method = "GET"
# URL path to request. Defaults to "/" if not provided.
request_path = "/"
# --- Notes ---
# - Replace the placeholder values with your actual load balancer configuration.
# - Ensure that the backend servers are accessible from the machine running the plugin.
# - Adjust the health check parameters based on your application's health check requirements.
# - For weighted round-robin, ensure that the weights are integers.
# - Remember to save this file with a `.conf` extension (e.g., `my_load_balancer.conf`).
# - The plugin will read this file to configure the load balancer testing.

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skills/load-balancer-tester/assets/report_template.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Load Balancer Test Report</title>
<style>
/* Basic CSS Reset */
body, h1, h2, h3, p, ul, li {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font: inherit;
vertical-align: baseline;
}
body {
font-family: sans-serif;
line-height: 1.6;
background-color: #f4f4f4;
color: #333;
padding: 20px;
}
.container {
max-width: 800px;
margin: 0 auto;
background-color: #fff;
padding: 20px;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
h1 {
font-size: 2em;
margin-bottom: 20px;
text-align: center;
color: #007bff; /* Primary color */
}
h2 {
font-size: 1.5em;
margin-bottom: 10px;
color: #007bff;
}
h3 {
font-size: 1.2em;
margin-bottom: 5px;
color: #555;
}
p {
margin-bottom: 15px;
}
ul {
list-style-type: disc;
margin-left: 20px;
margin-bottom: 15px;
}
li {
margin-bottom: 5px;
}
.status-good {
color: green;
}
.status-bad {
color: red;
}
.status-warning {
color: orange;
}
.section {
margin-bottom: 30px;
border-bottom: 1px solid #eee;
padding-bottom: 20px;
}
.section:last-child {
border-bottom: none;
padding-bottom: 0;
}
.table {
width: 100%;
border-collapse: collapse;
margin-bottom: 20px;
}
.table th, .table td {
border: 1px solid #ddd;
padding: 8px;
text-align: left;
}
.table th {
background-color: #f2f2f2;
}
/* Responsive Design */
@media (max-width: 600px) {
.container {
padding: 10px;
}
h1 {
font-size: 1.8em;
}
h2 {
font-size: 1.3em;
}
}
</style>
</head>
<body>
<div class="container">
<h1>Load Balancer Test Report</h1>
<div class="section">
<h2>Test Summary</h2>
<p><strong>Test ID:</strong> {{test_id}}</p>
<p><strong>Date:</strong> {{test_date}}</p>
<p><strong>Load Balancer URL:</strong> {{load_balancer_url}}</p>
<p><strong>Overall Status:</strong> <span class="{{overall_status_class}}">{{overall_status}}</span></p>
</div>
<div class="section">
<h2>Traffic Distribution Validation</h2>
<h3>Expected Distribution:</h3>
<p>{{expected_distribution}}</p>
<h3>Actual Distribution:</h3>
<p>{{actual_distribution}}</p>
<h3>Distribution Status: <span class="{{distribution_status_class}}">{{distribution_status}}</span></h3>
<p>{{distribution_details}}</p>
</div>
<div class="section">
<h2>Failover Testing</h2>
<h3>Failover Status: <span class="{{failover_status_class}}">{{failover_status}}</span></h3>
<p>{{failover_details}}</p>
<table class="table">
<thead>
<tr>
<th>Instance</th>
<th>Status Before Failover</th>
<th>Status After Failover</th>
<th>Response Time (ms)</th>
</tr>
</thead>
<tbody>
{{failover_table_rows}}
</tbody>
</table>
</div>
<div class="section">
<h2>Sticky Session Verification</h2>
<h3>Sticky Session Status: <span class="{{sticky_session_status_class}}">{{sticky_session_status}}</span></h3>
<p>{{sticky_session_details}}</p>
</div>
<div class="section">
<h2>Health Check Testing</h2>
<h3>Health Check Status: <span class="{{health_check_status_class}}">{{health_check_status}}</span></h3>
<p>{{health_check_details}}</p>
<table class="table">
<thead>
<tr>
<th>Instance</th>
<th>Health Check Endpoint</th>
<th>Status Code</th>
<th>Response Time (ms)</th>
</tr>
</thead>
<tbody>
{{health_check_table_rows}}
</tbody>
</table>
</div>
<div class="section">
<h2>Detailed Logs</h2>
<p>{{detailed_logs}}</p>
</div>
<div class="section">
<h2>Recommendations</h2>
<p>{{recommendations}}</p>
</div>
<footer>
<p style="text-align: center; font-size: 0.8em; color: #777;">Report generated by Load Balancer Tester</p>
</footer>
</div>
</body>
</html>

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{
"_comment": "Load Balancer Test Configuration Template",
"test_name": "Example Load Balancer Test",
"description": "Tests traffic distribution and failover capabilities of the load balancer.",
"target_url": "http://your-load-balancer-url.com",
"num_requests": 1000,
"concurrency": 10,
"request_type": "GET",
"request_headers": {
"_comment": "Optional headers to include in each request",
"Content-Type": "application/json",
"X-Test-Header": "lb-tester"
},
"request_body": null,
"distribution_validation": {
"_comment": "Configuration for validating traffic distribution across backend servers",
"enabled": true,
"server_count": 3,
"expected_distribution_tolerance": 0.1,
"distribution_method": "request_count",
"server_identifiers": [
"server1",
"server2",
"server3"
],
"identifier_extraction_method": "header",
"identifier_extraction_header": "X-Server-ID"
},
"failover_testing": {
"_comment": "Configuration for testing failover capabilities",
"enabled": true,
"server_to_fail": "server2",
"failover_wait_time": 10,
"requests_after_failover": 200
},
"sticky_session_verification": {
"_comment": "Configuration for verifying sticky sessions",
"enabled": false,
"session_cookie_name": "JSESSIONID",
"requests_per_session": 10
},
"health_check_testing": {
"_comment": "Configuration for testing health check behavior",
"enabled": false,
"health_check_endpoint": "/health",
"expected_status_code": 200,
"interval": 5,
"duration": 60
},
"assertions": {
"_comment": "Custom assertions to validate the response",
"response_time_max": 200,
"status_code_min": 200,
"status_code_max": 299,
"response_contains": null
},
"reporting": {
"_comment": "Reporting configuration",
"report_format": "json",
"output_file": "lb_test_report.json"
}
}