Aplicación para ver el regsitry

RegistryPy/docker_registry_viewer/asgi.py

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+"""
+ASGI config for docker_registry_viewer project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'docker_registry_viewer.settings')
+
+application = get_asgi_application()

RegistryPy/docker_registry_viewer/settings.py

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+"""
+Django settings for docker_registry_viewer project.
+
+Generated by 'django-admin startproject' using Django 5.1.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/5.1/ref/settings/
+"""
+
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/5.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-37m6875*ir!1px(=^*^2-_yro*2i#gsrxy#wgqdjy(nx!a!r&l'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'registry',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'docker_registry_viewer.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'docker_registry_viewer.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/5.1/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': BASE_DIR / 'db.sqlite3',
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/5.1/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/5.1/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/5.1/howto/static-files/
+
+STATIC_URL = 'static/'
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/5.1/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

RegistryPy/docker_registry_viewer/urls.py

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+"""
+URL configuration for docker_registry_viewer project.
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/5.1/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import path, include
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+    path('registry/', include('registry.urls')),
+]

RegistryPy/docker_registry_viewer/wsgi.py

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+"""
+WSGI config for docker_registry_viewer project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'docker_registry_viewer.settings')
+
+application = get_wsgi_application()

RegistryPy/manage.py

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+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'docker_registry_viewer.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

RegistryPy/registry/admin.py

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+from django.contrib import admin
+
+# Register your models here.

RegistryPy/registry/apps.py

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+from django.apps import AppConfig
+
+
+class RegistryConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'registry'

RegistryPy/registry/models.py

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+from django.db import models
+
+# Create your models here.

RegistryPy/registry/templates/registry/registry_list.html

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+<!DOCTYPE html>
+<html>
+<head>
+    <title>Docker Registry Viewer</title>
+    <style>
+        table {
+            width: 100%;
+            border-collapse: collapse;
+        }
+        th, td {
+            padding: 8px 12px;
+            border: 1px solid #ddd;
+            text-align: left;
+        }
+        th {
+            background-color: #f4f4f4;
+        }
+    </style>
+</head>
+<body>
+    <h1>Docker Registry Viewer</h1>
+    <table>
+        <thead>
+            <tr>
+                <th>Repository</th>
+                <th>Tags</th>
+            </tr>
+        </thead>
+        <tbody>
+            {% for repo in data %}
+            <tr>
+                <td><a href="{% url 'repository_detail' repo.repository %}">{{ repo.repository }}</a></td>
+                <td>
+                    {% for tag in repo.tags %}
+                        <span>{{ tag }}</span>{% if not forloop.last %}, {% endif %}
+                    {% endfor %}
+                </td>
+            </tr>
+            {% endfor %}
+        </tbody>
+    </table>
+</body>
+</html>

RegistryPy/registry/templates/registry/repository_detail.html

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+<!DOCTYPE html>
+<html>
+<head>
+    <title>Repository Details - {{ repository }}</title>
+    <style>
+        table {
+            width: 100%;
+            border-collapse: collapse;
+        }
+        th, td {
+            padding: 8px 12px;
+            border: 1px solid #ddd;
+            text-align: left;
+        }
+        th {
+            background-color: #f4f4f4;
+        }
+        .delete-btn {
+            color: red;
+            cursor: pointer;
+            text-decoration: none;
+        }
+    </style>
+</head>
+<body>
+    <h1>Tags for {{ repository }}</h1>
+    {% if error %}
+        <p style="color: red;">{{ error }}</p>
+    {% endif %}
+    <table>
+        <thead>
+            <tr>
+                <th>Tags</th>
+                <th>Actions</th>
+            </tr>
+        </thead>
+        <tbody>
+            {% for tag in tags %}
+            <tr>
+                <td>{{ tag }}</td>
+                <td><a href="{% url 'delete_tag' repository tag %}" class="delete-btn" onclick="return confirm('Are you sure you want to delete this tag?');">Delete</a></td>
+            </tr>
+            {% endfor %}
+        </tbody>
+    </table>
+    <p><a href="{% url 'registry_list' %}">Back to Repository List</a></p>
+</body>
+</html>

RegistryPy/registry/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

RegistryPy/registry/urls.py

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+from django.urls import path
+from . import views
+
+urlpatterns = [
+    path('', views.registry_list, name='registry_list'),
+    path('<str:repository_name>/', views.repository_detail, name='repository_detail'),
+    path('<str:repository_name>/delete/<str:tag>/', views.delete_tag, name='delete_tag'),
+]
+

RegistryPy/registry/views.py

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+import requests
+from django.shortcuts import render, redirect
+from django.urls import reverse
+
+DOCKER_REGISTRY_URL = "https://registry.reymota.es/v2"
+REGISTRY_USERNAME = "creylopez"
+REGISTRY_PASSWORD = "Rey-1176"
+
+def get_docker_registry_data():
+    # Autenticarse en el registro Docker
+    response = requests.get(f"{DOCKER_REGISTRY_URL}/_catalog", auth=(REGISTRY_USERNAME, REGISTRY_PASSWORD))
+
+    if response.status_code == 200:
+        repositories = response.json().get('repositories', [])
+        registry_data = []
+
+        for repo in repositories:
+            tags_response = requests.get(f"{DOCKER_REGISTRY_URL}/{repo}/tags/list", auth=(REGISTRY_USERNAME, REGISTRY_PASSWORD))
+            if tags_response.status_code == 200:
+                tags = tags_response.json().get('tags', [])
+                registry_data.append({'repository': repo, 'tags': tags})
+
+        return registry_data
+    else:
+        return []
+
+def registry_list(request):
+    data = get_docker_registry_data()
+    return render(request, 'registry/registry_list.html', {'data': data})
+
+# Nueva vista para mostrar los detalles de un repositorio específico
+def repository_detail(request, repository_name):
+    tags_response = requests.get(f"{DOCKER_REGISTRY_URL}/{repository_name}/tags/list", auth=(REGISTRY_USERNAME, REGISTRY_PASSWORD))
+
+    if tags_response.status_code == 200:
+        tags = tags_response.json().get('tags', [])
+    else:
+        tags = []
+
+    return render(request, 'registry/repository_detail.html', {'repository': repository_name, 'tags': tags})
+
+# Vista para eliminar un tag específico
+def delete_tag(request, repository_name, tag):
+    manifest_url = f"{DOCKER_REGISTRY_URL}/{repository_name}/manifests/{tag}"
+
+    # Obtener el digest del tag
+    manifest_response = requests.head(manifest_url, auth=(REGISTRY_USERNAME, REGISTRY_PASSWORD), headers={"Accept": "application/vnd.docker.distribution.manifest.v2+json"})
+    print("delete_tag: manifest_url ", manifest_url)
+    if manifest_response.status_code == 200:
+        digest = manifest_response.headers.get('Docker-Content-Digest')
+        delete_response = requests.delete(f"{DOCKER_REGISTRY_URL}/{repository_name}/manifests/{digest}", auth=(REGISTRY_USERNAME, REGISTRY_PASSWORD))
+        print("delete_tag: digest->",digest)
+        if delete_response.status_code == 202:
+            return redirect(reverse('repository_detail', args=[repository_name]))
+        else:
+            # Obtener las etiquetas nuevamente para renderizar la plantilla
+            tags_response = requests.get(f"{DOCKER_REGISTRY_URL}/{repository_name}/tags/list", auth=(REGISTRY_USERNAME, REGISTRY_PASSWORD))
+            tags = tags_response.json().get('tags', []) if tags_response.status_code == 200 else []
+            return render(request, 'registry/repository_detail.html', {'repository': repository_name, 'tags': tags, 'error': 'Error deleting the tag.'})
+    else:
+        # Obtener las etiquetas nuevamente para renderizar la plantilla
+        tags_response = requests.get(f"{DOCKER_REGISTRY_URL}/{repository_name}/tags/list", auth=(REGISTRY_USERNAME, REGISTRY_PASSWORD))
+        tags = tags_response.json().get('tags', []) if tags_response.status_code == 200 else []
+        return render(request, 'registry/repository_detail.html', {'repository': repository_name, 'tags': tags, 'error': 'Tag not found.'})