Como converter o relatório de validação de cabo do Network Fabric em HTML

Este artigo explica como converter um Relatório de Validação de Cabo do Nexus Network Fabric da saída JSON em HTML.

Pré-requisitos

• Requer Python 3.11 ou posterior
• Requer módulos do Python 3.11: json pandas as pd datetime

Script Python para conversão JSON para HTML de validação de cabo

import json
import pandas as pd
from datetime import datetime

def color_status(val):
    """
    Takes a scalar and returns a string with
    the css property `'color: green'` for compliant,
    `'color: red'` for noncompliant and black for others
    """
    if val == 'Compliant':
        color = 'green'
    elif val == 'NonCompliant':
        color = 'red'
    else:
        color = 'black'
    return 'color: %s' % color

now = datetime.now() # current date and time
date_time = now.strftime("%m-%d-%Y-%H-%M")
print("date and time:",date_time)

# Get the file name as input from the user
file_name = input("Please provide post validation json file: ")
# Load the JSON data from the file
with open(file_name, 'r') as f:
    data = json.load(f)

# Prepare two lists to store the data
cable_validation_data = []
cable_specification_validation_data = []

# Loop through each rack in the racks list
for rack in data['racks']:
    # Loop through each device in the networkConfiguration list
    for device in rack['rackInfo']['networkConfiguration']['networkDevices']:
        # Loop through each interface map for the device
        for interface_map in device['fixedInterfaceMaps']:
            # Loop through each validation result for the interface map
            for validation_result in interface_map['validationResult']:
                # Append the data to the list based on validation type
                temp_item = [device['name'], interface_map['name'], validation_result['status'], interface_map['destinationHostname'], interface_map['destinationPort'],validation_result['validationDetails']['deviceConfiguration'], validation_result['validationDetails']['error'] , validation_result['validationDetails']['reason'],'FixedInterface']
                if validation_result['validationType'] == 'CableValidation':
                    cable_validation_data.append(temp_item)
                elif validation_result['validationType'] == 'CableSpecificationValidation':
                    cable_specification_validation_data.append(temp_item)

        # Check if scaleSpecificInterfaceMaps is not None
        if device['scaleSpecificInterfaceMaps'] is not None:   
            # Loop through each scaleSpecificInterface_Map for the interface map
            for scale_map in device['scaleSpecificInterfaceMaps']:
                # Loop through each interface map for the device.
                for interfacemaps in scale_map['InterfaceMaps']:
                    # Loop through each validation result for the scaleSpecificInterface_Map
                    for validation_result in interfacemaps['validationResult']:
                        # Append the data to the list
                        temp_item = [device['name'], interfacemaps['name'], validation_result['status'], interfacemaps['destinationHostname'], interfacemaps['destinationPort'], validation_result['validationDetails']['deviceConfiguration'], validation_result['validationDetails']['error'] , validation_result['validationDetails']['reason'], 'ScaleSpecificInterface']
                        if validation_result['validationType'] == 'CableValidation':
                            cable_validation_data.append(temp_item)
                        elif validation_result['validationType'] == 'CableSpecificationValidation':
                            cable_specification_validation_data.append(temp_item)

# Convert the lists to DataFrames
cable_validation_df = pd.DataFrame(cable_validation_data, columns=['Device Name', 'Interface Map Name', 'Status', 'Destination Hostname', 'Destination Port', 'Device Configuration', 'Error', 'Reason', 'Interface Type'])
cable_specification_validation_df = pd.DataFrame(cable_specification_validation_data, columns=['Device Name', 'Interface Map Name', 'Status', 'Destination Hostname', 'Destination Port', 'Device Configuration', 'Error', 'Reason', 'Interface Type'])

# Group the DataFrames by 'Status' and append each group's HTML representation to a string
#html_string = '<html><head><style>table {border-collapse: collapse;} th, td {border: 1px solid black; padding: 5px;}</style></head><body>'
html_string = """
<html>
<head>
    <style>
        body {
            font-family: Arial, sans-serif;
            max-width: 960px;  /* Set the maximum width of the page */
            margin: 0 auto;  /* Center the page */
        }
        h2 {color: #2A2A2A;}
        table {border-collapse: collapse; width: 100%;}
        th, td {border: 1px solid #ddd; padding: 8px;}
        tr:nth-child(even) {background-color: #f2f2f2;}
        th {padding-top: 12px; padding-bottom: 12px; text-align: left; background-color: #4CAF50; color: white;}
    </style>
</head>
<body>
"""
for status, group_df in cable_validation_df.groupby('Status'):
    styled_group_df = group_df.style.applymap(color_status, subset=['Status']).set_table_attributes('class="dataframe"')
    html_string += f'<h2>Cable Validation - {status}</h2>'
    html_string += styled_group_df.to_html()

for status, group_df in cable_specification_validation_df.groupby('Status'):
    styled_group_df = group_df.style.applymap(color_status, subset=['Status']).set_table_attributes('class="dataframe"')
    html_string += f'<h2>Cable Specification Validation - {status}</h2>'
    html_string += styled_group_df.to_html()

html_string += '</body></html>'

# Write the string to an HTML file
with open('CableValidationAndSpecification-{filename}.html'.format(filename = date_time), 'w') as f:
    f.write(html_string)

Uso

Para executar a ferramenta de conversão, execute o seguinte comando:

python cable-html.py
..
Please provide post validation json file: <CABLE_VALIDATION_FILENAME>.json

A saída do relatório tem nome de arquivo CableValidationAndSpecification-<DATE>.html.

Resultados HTML do relatório de validação de cabo

O relatório é separado nas seguintes seções:

• Validação de cabo – Em Conformidade
• Validação de cabo – Sem Conformidade
• Validação de cabo – Desconhecido
• Validação de especificação de cabo – Em Conformidade
• Validação de especificação de cabo – Sem Conformidade
• Validação de especificação de cabo – Desconhecido

Relatório de exemplo: