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cuadernos/semana_2/container/TestGlobalBigData.ipynb
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| 1 |
+
{
|
| 2 |
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"cells": [
|
| 3 |
+
{
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| 4 |
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"cell_type": "markdown",
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| 5 |
+
"metadata": {},
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| 6 |
+
"source": [
|
| 7 |
+
"# S2 · Ejercicio 0 — Verifica tu laboratorio (pipeline de drones)\n",
|
| 8 |
+
"\n",
|
| 9 |
+
"**Curso de Big Data · Dr. Abel Coronado** · Semana 2\n",
|
| 10 |
+
"\n",
|
| 11 |
+
"> ⚙️ **Esta variante es para: Container (Podman) / Vagrant — Spark 4.0 · Scala 2.13.** \n",
|
| 12 |
+
"> Comprueba tu versión con `import pyspark; pyspark.__version__`. Si NO coincide, usa la carpeta de tu plataforma (`container/` o `portable/`).\n",
|
| 13 |
+
"\n",
|
| 14 |
+
"🎯 **Objetivo.** Comprobar que tu laboratorio funciona de extremo a extremo: generar datos, subirlos a HDFS, procesarlos con Spark e indexarlos en Elasticsearch.\n",
|
| 15 |
+
"\n",
|
| 16 |
+
"📦 **Datos.** Datos sintéticos generados por el propio cuaderno (no requiere datos externos).\n",
|
| 17 |
+
"\n",
|
| 18 |
+
"✅ **Prerrequisitos.** Laboratorio arrancado (HDFS, Spark, Elasticsearch). Jupyter en :8888.\n",
|
| 19 |
+
"\n",
|
| 20 |
+
"📝 **Entregable.** Captura de la consulta final a `drones_en_riesgo` con documentos indexados.\n",
|
| 21 |
+
"\n",
|
| 22 |
+
"⬇️ **Descarga (Hugging Face):** https://huggingface.co/datasets/abxda/bdp-lab/resolve/main/cuadernos/semana_2/container/TestGlobalBigData.ipynb\n",
|
| 23 |
+
"\n",
|
| 24 |
+
"💬 **¿Un error?** Captura (celda + mensaje) y repórtalo por **Blackboard** (indica SO y paso).\n",
|
| 25 |
+
"\n",
|
| 26 |
+
"---\n",
|
| 27 |
+
"\n",
|
| 28 |
+
"> Lee los comentarios de cada celda: explican el porqué de cada paso.\n"
|
| 29 |
+
]
|
| 30 |
+
},
|
| 31 |
+
{
|
| 32 |
+
"cell_type": "code",
|
| 33 |
+
"execution_count": null,
|
| 34 |
+
"id": "839e7c27-8c7e-4716-9538-30ca0652396d",
|
| 35 |
+
"metadata": {},
|
| 36 |
+
"outputs": [],
|
| 37 |
+
"source": [
|
| 38 |
+
"!python3 -m pip install numpy pandas"
|
| 39 |
+
]
|
| 40 |
+
},
|
| 41 |
+
{
|
| 42 |
+
"cell_type": "code",
|
| 43 |
+
"execution_count": null,
|
| 44 |
+
"id": "d3fc17db-739f-4684-b13b-489d56c295fb",
|
| 45 |
+
"metadata": {},
|
| 46 |
+
"outputs": [],
|
| 47 |
+
"source": [
|
| 48 |
+
"# --- Celda 1 (Versión Definitiva para MODO LOCAL) ---\n",
|
| 49 |
+
"import pyspark\n",
|
| 50 |
+
"from pyspark.sql import SparkSession\n",
|
| 51 |
+
"from elasticsearch import Elasticsearch\n",
|
| 52 |
+
"\n",
|
| 53 |
+
"# Detiene cualquier sesión previa\n",
|
| 54 |
+
"try:\n",
|
| 55 |
+
" spark.stop()\n",
|
| 56 |
+
"except:\n",
|
| 57 |
+
" pass\n",
|
| 58 |
+
"\n",
|
| 59 |
+
"# Construye la sesión en MODO LOCAL. No necesita el conector nativo.\n",
|
| 60 |
+
"spark = SparkSession.builder \\\n",
|
| 61 |
+
" .appName(\"AnalisisFlotaDrones_Local\") \\\n",
|
| 62 |
+
" .master(\"local[*]\") \\\n",
|
| 63 |
+
" .config(\"spark.sql.ansi.enabled\", \"false\").getOrCreate()\n",
|
| 64 |
+
"\n",
|
| 65 |
+
"# Cliente para Elasticsearch (para borrar el índice después)\n",
|
| 66 |
+
"es_client = Elasticsearch(\"http://localhost:9200\")\n",
|
| 67 |
+
"\n",
|
| 68 |
+
"# Verificar conexiones\n",
|
| 69 |
+
"if es_client.ping():\n",
|
| 70 |
+
" print(\"✅ Conexión con Elasticsearch exitosa.\")\n",
|
| 71 |
+
"else:\n",
|
| 72 |
+
" print(\"❌ Error: No se pudo conectar a Elasticsearch.\")\n",
|
| 73 |
+
"\n",
|
| 74 |
+
"print(\"✅ Sesión de Spark y clientes listos.\")\n",
|
| 75 |
+
"spark"
|
| 76 |
+
]
|
| 77 |
+
},
|
| 78 |
+
{
|
| 79 |
+
"cell_type": "code",
|
| 80 |
+
"execution_count": null,
|
| 81 |
+
"id": "9225d9ed-6465-4f26-947f-8ab32d499293",
|
| 82 |
+
"metadata": {},
|
| 83 |
+
"outputs": [],
|
| 84 |
+
"source": [
|
| 85 |
+
"# --- Celda 2 Mejorada: Generar o Cargar Datos de Drones ---\n",
|
| 86 |
+
"import pandas as pd\n",
|
| 87 |
+
"import os\n",
|
| 88 |
+
"\n",
|
| 89 |
+
"csv_filename = 'drone_sensors_data.csv'\n",
|
| 90 |
+
"\n",
|
| 91 |
+
"# Comprobar si el archivo ya existe en la carpeta local\n",
|
| 92 |
+
"if not os.path.exists(csv_filename):\n",
|
| 93 |
+
" print(f\"El archivo '{csv_filename}' no existe. Generando nuevos datos...\")\n",
|
| 94 |
+
" \n",
|
| 95 |
+
" # --- Generar Datos de Drones con Pandas ---\n",
|
| 96 |
+
" num_drones = 50\n",
|
| 97 |
+
" data = {\n",
|
| 98 |
+
" 'drone_id': [f'DRN-{i:03}' for i in range(1, num_drones + 1)],\n",
|
| 99 |
+
" 'bateria_restante': [round(20 + 80 * os.urandom(1)[0] / 255, 2) for _ in range(num_drones)],\n",
|
| 100 |
+
" 'temperatura_motor': [round(60 + 40 * os.urandom(1)[0] / 255, 2) for _ in range(num_drones)],\n",
|
| 101 |
+
" 'vibracion_hz': [round(5 + 25 * os.urandom(1)[0] / 255, 2) for _ in range(num_drones)]\n",
|
| 102 |
+
" }\n",
|
| 103 |
+
" df_pandas = pd.DataFrame(data)\n",
|
| 104 |
+
"\n",
|
| 105 |
+
" # Guardar localmente en la carpeta de notebooks\n",
|
| 106 |
+
" df_pandas.to_csv(csv_filename, index=False)\n",
|
| 107 |
+
" \n",
|
| 108 |
+
" print(f\"✅ Archivo '{csv_filename}' creado con {len(df_pandas)} registros.\")\n",
|
| 109 |
+
"\n",
|
| 110 |
+
"else:\n",
|
| 111 |
+
" print(f\"✅ El archivo '{csv_filename}' ya existe. Cargando datos desde el archivo.\")\n",
|
| 112 |
+
" # Cargar los datos desde el CSV existente\n",
|
| 113 |
+
" df_pandas = pd.read_csv(csv_filename)\n",
|
| 114 |
+
" print(f\"Cargados {len(df_pandas)} registros.\")\n",
|
| 115 |
+
"\n",
|
| 116 |
+
"# Mostrar las primeras 5 filas para verificar\n",
|
| 117 |
+
"df_pandas.head()"
|
| 118 |
+
]
|
| 119 |
+
},
|
| 120 |
+
{
|
| 121 |
+
"cell_type": "code",
|
| 122 |
+
"execution_count": null,
|
| 123 |
+
"id": "95dd7f09-2f6d-418a-984d-fff5fc5aed99",
|
| 124 |
+
"metadata": {},
|
| 125 |
+
"outputs": [],
|
| 126 |
+
"source": [
|
| 127 |
+
"# --- Celda 3 Mejorada: Subir a HDFS (si es necesario) ---\n",
|
| 128 |
+
"from hdfs import InsecureClient\n",
|
| 129 |
+
"from hdfs.util import HdfsError\n",
|
| 130 |
+
"\n",
|
| 131 |
+
"# Cliente para interactuar con HDFS\n",
|
| 132 |
+
"hdfs_client = InsecureClient('http://localhost:9870')\n",
|
| 133 |
+
"\n",
|
| 134 |
+
"# Definir rutas\n",
|
| 135 |
+
"hdfs_path_raw = '/data/raw/drones'\n",
|
| 136 |
+
"hdfs_filepath = f'{hdfs_path_raw}/{csv_filename}'\n",
|
| 137 |
+
"\n",
|
| 138 |
+
"try:\n",
|
| 139 |
+
" # Intenta obtener el estado del archivo. Si no existe, lanzará una HdfsError.\n",
|
| 140 |
+
" status = hdfs_client.status(hdfs_filepath)\n",
|
| 141 |
+
" print(f\"✅ El archivo ya existe en HDFS en '{hdfs_filepath}'. No se necesita subir de nuevo.\")\n",
|
| 142 |
+
" \n",
|
| 143 |
+
"except HdfsError:\n",
|
| 144 |
+
" # Si el archivo no existe, la excepción HdfsError es capturada.\n",
|
| 145 |
+
" print(f\"El archivo no existe en HDFS. Procediendo a la subida...\")\n",
|
| 146 |
+
" \n",
|
| 147 |
+
" # Asegurarse de que el directorio base exista.\n",
|
| 148 |
+
" hdfs_client.makedirs(hdfs_path_raw)\n",
|
| 149 |
+
" print(f\"Directorio '{hdfs_path_raw}' verificado/creado en HDFS.\")\n",
|
| 150 |
+
" \n",
|
| 151 |
+
" # Subir el archivo, overwrite=True es seguro aquí porque ya sabemos que no existe,\n",
|
| 152 |
+
" # pero es una buena práctica por si ocurre algo entre la comprobación y la subida.\n",
|
| 153 |
+
" hdfs_client.upload(hdfs_path_raw, csv_filename, overwrite=True)\n",
|
| 154 |
+
" \n",
|
| 155 |
+
" print(f\"✅ Archivo '{csv_filename}' subido exitosamente a HDFS en: '{hdfs_filepath}'\")\n",
|
| 156 |
+
"\n",
|
| 157 |
+
"finally:\n",
|
| 158 |
+
" # En cualquier caso (exista o no), listar el contenido para confirmar.\n",
|
| 159 |
+
" print(\"\\nContenido actual en HDFS en el directorio /data/raw/drones:\")\n",
|
| 160 |
+
" print(hdfs_client.list(hdfs_path_raw))"
|
| 161 |
+
]
|
| 162 |
+
},
|
| 163 |
+
{
|
| 164 |
+
"cell_type": "code",
|
| 165 |
+
"execution_count": null,
|
| 166 |
+
"id": "43fd5108-3a86-407d-a324-ad4022a848a6",
|
| 167 |
+
"metadata": {},
|
| 168 |
+
"outputs": [],
|
| 169 |
+
"source": [
|
| 170 |
+
"# --- Leer desde HDFS y Procesar con Spark ---\n",
|
| 171 |
+
"from pyspark.sql.functions import col, when\n",
|
| 172 |
+
"\n",
|
| 173 |
+
"df_spark = spark.read.option(\"header\", \"true\").option(\"inferSchema\", \"true\").csv(f\"hdfs://localhost:9000{hdfs_filepath}\")\n",
|
| 174 |
+
"\n",
|
| 175 |
+
"print(\"Esquema inferido por Spark:\")\n",
|
| 176 |
+
"df_spark.printSchema()\n",
|
| 177 |
+
"\n",
|
| 178 |
+
"# Calcular un \"Índice de Riesgo\"\n",
|
| 179 |
+
"# El riesgo aumenta si la batería es baja, la temperatura es alta o la vibración es alta\n",
|
| 180 |
+
"df_analizado = df_spark.withColumn(\n",
|
| 181 |
+
" \"indice_riesgo\",\n",
|
| 182 |
+
" (\n",
|
| 183 |
+
" when(col(\"bateria_restante\") < 30, 1).otherwise(0) +\n",
|
| 184 |
+
" when(col(\"temperatura_motor\") > 85, 1).otherwise(0) +\n",
|
| 185 |
+
" when(col(\"vibracion_hz\") > 20, 1).otherwise(0)\n",
|
| 186 |
+
" )\n",
|
| 187 |
+
")\n",
|
| 188 |
+
"\n",
|
| 189 |
+
"print(\"\\nDataFrame con Índice de Riesgo calculado:\")\n",
|
| 190 |
+
"df_analizado.show()\n",
|
| 191 |
+
"\n",
|
| 192 |
+
"# Filtrar solo los drones que necesitan mantenimiento (riesgo > 0)\n",
|
| 193 |
+
"drones_en_riesgo = df_analizado.filter(col(\"indice_riesgo\") > 0).sort(col(\"indice_riesgo\").desc())\n",
|
| 194 |
+
"\n",
|
| 195 |
+
"print(\"\\n🚨 Drones que requieren atención inmediata:\")\n",
|
| 196 |
+
"drones_en_riesgo.show()"
|
| 197 |
+
]
|
| 198 |
+
},
|
| 199 |
+
{
|
| 200 |
+
"cell_type": "code",
|
| 201 |
+
"execution_count": null,
|
| 202 |
+
"id": "f431ced7-0b23-465a-82ff-74f5ede9e014",
|
| 203 |
+
"metadata": {},
|
| 204 |
+
"outputs": [],
|
| 205 |
+
"source": [
|
| 206 |
+
"# --- Celda 5 (Tu Solución): Convertir el resultado final a Pandas y Cargar ---\n",
|
| 207 |
+
"\n",
|
| 208 |
+
"import json\n",
|
| 209 |
+
"from elasticsearch import Elasticsearch\n",
|
| 210 |
+
"\n",
|
| 211 |
+
"# Re-creamos el cliente por si la sesión se reinició\n",
|
| 212 |
+
"es_client = Elasticsearch(\"http://localhost:9200\")\n",
|
| 213 |
+
"es_index_name = \"drones_en_riesgo\"\n",
|
| 214 |
+
"\n",
|
| 215 |
+
"print(f\"Preparando para enviar los resultados a Elasticsearch...\")\n",
|
| 216 |
+
"\n",
|
| 217 |
+
"# Borrar el índice si ya existe para una prueba limpia\n",
|
| 218 |
+
"if es_client.indices.exists(index=es_index_name):\n",
|
| 219 |
+
" es_client.indices.delete(index=es_index_name)\n",
|
| 220 |
+
" print(f\"Índice '{es_index_name}' antiguo borrado.\")\n",
|
| 221 |
+
"\n",
|
| 222 |
+
"# 1. PASO CLAVE: Convertir el DataFrame final de Spark a un DataFrame de Pandas\n",
|
| 223 |
+
"# Esta es la única acción que trae datos del entorno Spark al entorno Python.\n",
|
| 224 |
+
"print(\"Convirtiendo resultado de Spark ('drones_en_riesgo') a Pandas...\")\n",
|
| 225 |
+
"df_pandas_final = drones_en_riesgo.toPandas()\n",
|
| 226 |
+
"print(f\"Conversión completa. Se van a indexar {len(df_pandas_final)} drones.\")\n",
|
| 227 |
+
"\n",
|
| 228 |
+
"# 2. Convertir el DataFrame de Pandas a una lista de diccionarios\n",
|
| 229 |
+
"# (Este formato es ideal para el cliente de Elasticsearch)\n",
|
| 230 |
+
"documentos_para_es = df_pandas_final.to_dict(orient='records')\n",
|
| 231 |
+
"\n",
|
| 232 |
+
"# 3. Indexar la lista de drones en Elasticsearch\n",
|
| 233 |
+
"print(\"Indexando documentos en Elasticsearch...\")\n",
|
| 234 |
+
"for doc in documentos_para_es:\n",
|
| 235 |
+
" # Usamos el cliente de python que ya sabemos que funciona\n",
|
| 236 |
+
" es_client.index(index=es_index_name, document=doc, id=doc['drone_id'])\n",
|
| 237 |
+
"\n",
|
| 238 |
+
"# 4. Refrescar el índice para que los datos estén disponibles para búsqueda\n",
|
| 239 |
+
"es_client.indices.refresh(index=es_index_name)\n",
|
| 240 |
+
"\n",
|
| 241 |
+
"print(f\"\\n✅ ¡ÉXITO! Datos indexados en Elasticsearch exitosamente.\")"
|
| 242 |
+
]
|
| 243 |
+
},
|
| 244 |
+
{
|
| 245 |
+
"cell_type": "code",
|
| 246 |
+
"execution_count": null,
|
| 247 |
+
"id": "9c3df638-a6e0-4894-aadb-65d37ddfbe6e",
|
| 248 |
+
"metadata": {},
|
| 249 |
+
"outputs": [],
|
| 250 |
+
"source": []
|
| 251 |
+
},
|
| 252 |
+
{
|
| 253 |
+
"cell_type": "code",
|
| 254 |
+
"execution_count": null,
|
| 255 |
+
"id": "b71e7210-c631-4f31-91f5-adc94eb9cc85",
|
| 256 |
+
"metadata": {},
|
| 257 |
+
"outputs": [],
|
| 258 |
+
"source": []
|
| 259 |
+
}
|
| 260 |
+
],
|
| 261 |
+
"metadata": {
|
| 262 |
+
"kernelspec": {
|
| 263 |
+
"display_name": "Python 3 (ipykernel)",
|
| 264 |
+
"language": "python",
|
| 265 |
+
"name": "python3"
|
| 266 |
+
},
|
| 267 |
+
"language_info": {
|
| 268 |
+
"codemirror_mode": {
|
| 269 |
+
"name": "ipython",
|
| 270 |
+
"version": 3
|
| 271 |
+
},
|
| 272 |
+
"file_extension": ".py",
|
| 273 |
+
"mimetype": "text/x-python",
|
| 274 |
+
"name": "python",
|
| 275 |
+
"nbconvert_exporter": "python",
|
| 276 |
+
"pygments_lexer": "ipython3",
|
| 277 |
+
"version": "3.9.2"
|
| 278 |
+
}
|
| 279 |
+
},
|
| 280 |
+
"nbformat": 4,
|
| 281 |
+
"nbformat_minor": 5
|
| 282 |
+
}
|
cuadernos/semana_2/portable/TestGlobalBigData.ipynb
ADDED
|
@@ -0,0 +1,282 @@
|
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|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
{
|
| 2 |
+
"cells": [
|
| 3 |
+
{
|
| 4 |
+
"cell_type": "markdown",
|
| 5 |
+
"metadata": {},
|
| 6 |
+
"source": [
|
| 7 |
+
"# S2 · Ejercicio 0 — Verifica tu laboratorio (pipeline de drones)\n",
|
| 8 |
+
"\n",
|
| 9 |
+
"**Curso de Big Data · Dr. Abel Coronado** · Semana 2\n",
|
| 10 |
+
"\n",
|
| 11 |
+
"> ⚙️ **Esta variante es para: Portable (Windows nativo) — Spark 3.4 · Scala 2.12.** \n",
|
| 12 |
+
"> Comprueba tu versión con `import pyspark; pyspark.__version__`. Si NO coincide, usa la carpeta de tu plataforma (`container/` o `portable/`).\n",
|
| 13 |
+
"\n",
|
| 14 |
+
"🎯 **Objetivo.** Comprobar que tu laboratorio funciona de extremo a extremo: generar datos, subirlos a HDFS, procesarlos con Spark e indexarlos en Elasticsearch.\n",
|
| 15 |
+
"\n",
|
| 16 |
+
"📦 **Datos.** Datos sintéticos generados por el propio cuaderno (no requiere datos externos).\n",
|
| 17 |
+
"\n",
|
| 18 |
+
"✅ **Prerrequisitos.** Laboratorio arrancado (HDFS, Spark, Elasticsearch). Jupyter en :8888.\n",
|
| 19 |
+
"\n",
|
| 20 |
+
"📝 **Entregable.** Captura de la consulta final a `drones_en_riesgo` con documentos indexados.\n",
|
| 21 |
+
"\n",
|
| 22 |
+
"⬇️ **Descarga (Hugging Face):** https://huggingface.co/datasets/abxda/bdp-lab/resolve/main/cuadernos/semana_2/portable/TestGlobalBigData.ipynb\n",
|
| 23 |
+
"\n",
|
| 24 |
+
"💬 **¿Un error?** Captura (celda + mensaje) y repórtalo por **Blackboard** (indica SO y paso).\n",
|
| 25 |
+
"\n",
|
| 26 |
+
"---\n",
|
| 27 |
+
"\n",
|
| 28 |
+
"> Lee los comentarios de cada celda: explican el porqué de cada paso.\n"
|
| 29 |
+
]
|
| 30 |
+
},
|
| 31 |
+
{
|
| 32 |
+
"cell_type": "code",
|
| 33 |
+
"execution_count": null,
|
| 34 |
+
"id": "839e7c27-8c7e-4716-9538-30ca0652396d",
|
| 35 |
+
"metadata": {},
|
| 36 |
+
"outputs": [],
|
| 37 |
+
"source": [
|
| 38 |
+
"!python3 -m pip install numpy pandas"
|
| 39 |
+
]
|
| 40 |
+
},
|
| 41 |
+
{
|
| 42 |
+
"cell_type": "code",
|
| 43 |
+
"execution_count": null,
|
| 44 |
+
"id": "d3fc17db-739f-4684-b13b-489d56c295fb",
|
| 45 |
+
"metadata": {},
|
| 46 |
+
"outputs": [],
|
| 47 |
+
"source": [
|
| 48 |
+
"# --- Celda 1 (Versión Definitiva para MODO LOCAL) ---\n",
|
| 49 |
+
"import pyspark\n",
|
| 50 |
+
"from pyspark.sql import SparkSession\n",
|
| 51 |
+
"from elasticsearch import Elasticsearch\n",
|
| 52 |
+
"\n",
|
| 53 |
+
"# Detiene cualquier sesión previa\n",
|
| 54 |
+
"try:\n",
|
| 55 |
+
" spark.stop()\n",
|
| 56 |
+
"except:\n",
|
| 57 |
+
" pass\n",
|
| 58 |
+
"\n",
|
| 59 |
+
"# Construye la sesión en MODO LOCAL. No necesita el conector nativo.\n",
|
| 60 |
+
"spark = SparkSession.builder \\\n",
|
| 61 |
+
" .appName(\"AnalisisFlotaDrones_Local\") \\\n",
|
| 62 |
+
" .master(\"local[*]\") \\\n",
|
| 63 |
+
" .getOrCreate()\n",
|
| 64 |
+
"\n",
|
| 65 |
+
"# Cliente para Elasticsearch (para borrar el índice después)\n",
|
| 66 |
+
"es_client = Elasticsearch(\"http://localhost:9200\")\n",
|
| 67 |
+
"\n",
|
| 68 |
+
"# Verificar conexiones\n",
|
| 69 |
+
"if es_client.ping():\n",
|
| 70 |
+
" print(\"✅ Conexión con Elasticsearch exitosa.\")\n",
|
| 71 |
+
"else:\n",
|
| 72 |
+
" print(\"❌ Error: No se pudo conectar a Elasticsearch.\")\n",
|
| 73 |
+
"\n",
|
| 74 |
+
"print(\"✅ Sesión de Spark y clientes listos.\")\n",
|
| 75 |
+
"spark"
|
| 76 |
+
]
|
| 77 |
+
},
|
| 78 |
+
{
|
| 79 |
+
"cell_type": "code",
|
| 80 |
+
"execution_count": null,
|
| 81 |
+
"id": "9225d9ed-6465-4f26-947f-8ab32d499293",
|
| 82 |
+
"metadata": {},
|
| 83 |
+
"outputs": [],
|
| 84 |
+
"source": [
|
| 85 |
+
"# --- Celda 2 Mejorada: Generar o Cargar Datos de Drones ---\n",
|
| 86 |
+
"import pandas as pd\n",
|
| 87 |
+
"import os\n",
|
| 88 |
+
"\n",
|
| 89 |
+
"csv_filename = 'drone_sensors_data.csv'\n",
|
| 90 |
+
"\n",
|
| 91 |
+
"# Comprobar si el archivo ya existe en la carpeta local\n",
|
| 92 |
+
"if not os.path.exists(csv_filename):\n",
|
| 93 |
+
" print(f\"El archivo '{csv_filename}' no existe. Generando nuevos datos...\")\n",
|
| 94 |
+
" \n",
|
| 95 |
+
" # --- Generar Datos de Drones con Pandas ---\n",
|
| 96 |
+
" num_drones = 50\n",
|
| 97 |
+
" data = {\n",
|
| 98 |
+
" 'drone_id': [f'DRN-{i:03}' for i in range(1, num_drones + 1)],\n",
|
| 99 |
+
" 'bateria_restante': [round(20 + 80 * os.urandom(1)[0] / 255, 2) for _ in range(num_drones)],\n",
|
| 100 |
+
" 'temperatura_motor': [round(60 + 40 * os.urandom(1)[0] / 255, 2) for _ in range(num_drones)],\n",
|
| 101 |
+
" 'vibracion_hz': [round(5 + 25 * os.urandom(1)[0] / 255, 2) for _ in range(num_drones)]\n",
|
| 102 |
+
" }\n",
|
| 103 |
+
" df_pandas = pd.DataFrame(data)\n",
|
| 104 |
+
"\n",
|
| 105 |
+
" # Guardar localmente en la carpeta de notebooks\n",
|
| 106 |
+
" df_pandas.to_csv(csv_filename, index=False)\n",
|
| 107 |
+
" \n",
|
| 108 |
+
" print(f\"✅ Archivo '{csv_filename}' creado con {len(df_pandas)} registros.\")\n",
|
| 109 |
+
"\n",
|
| 110 |
+
"else:\n",
|
| 111 |
+
" print(f\"✅ El archivo '{csv_filename}' ya existe. Cargando datos desde el archivo.\")\n",
|
| 112 |
+
" # Cargar los datos desde el CSV existente\n",
|
| 113 |
+
" df_pandas = pd.read_csv(csv_filename)\n",
|
| 114 |
+
" print(f\"Cargados {len(df_pandas)} registros.\")\n",
|
| 115 |
+
"\n",
|
| 116 |
+
"# Mostrar las primeras 5 filas para verificar\n",
|
| 117 |
+
"df_pandas.head()"
|
| 118 |
+
]
|
| 119 |
+
},
|
| 120 |
+
{
|
| 121 |
+
"cell_type": "code",
|
| 122 |
+
"execution_count": null,
|
| 123 |
+
"id": "95dd7f09-2f6d-418a-984d-fff5fc5aed99",
|
| 124 |
+
"metadata": {},
|
| 125 |
+
"outputs": [],
|
| 126 |
+
"source": [
|
| 127 |
+
"# --- Celda 3 Mejorada: Subir a HDFS (si es necesario) ---\n",
|
| 128 |
+
"from hdfs import InsecureClient\n",
|
| 129 |
+
"from hdfs.util import HdfsError\n",
|
| 130 |
+
"\n",
|
| 131 |
+
"# Cliente para interactuar con HDFS\n",
|
| 132 |
+
"hdfs_client = InsecureClient('http://localhost:9870')\n",
|
| 133 |
+
"\n",
|
| 134 |
+
"# Definir rutas\n",
|
| 135 |
+
"hdfs_path_raw = '/data/raw/drones'\n",
|
| 136 |
+
"hdfs_filepath = f'{hdfs_path_raw}/{csv_filename}'\n",
|
| 137 |
+
"\n",
|
| 138 |
+
"try:\n",
|
| 139 |
+
" # Intenta obtener el estado del archivo. Si no existe, lanzará una HdfsError.\n",
|
| 140 |
+
" status = hdfs_client.status(hdfs_filepath)\n",
|
| 141 |
+
" print(f\"✅ El archivo ya existe en HDFS en '{hdfs_filepath}'. No se necesita subir de nuevo.\")\n",
|
| 142 |
+
" \n",
|
| 143 |
+
"except HdfsError:\n",
|
| 144 |
+
" # Si el archivo no existe, la excepción HdfsError es capturada.\n",
|
| 145 |
+
" print(f\"El archivo no existe en HDFS. Procediendo a la subida...\")\n",
|
| 146 |
+
" \n",
|
| 147 |
+
" # Asegurarse de que el directorio base exista.\n",
|
| 148 |
+
" hdfs_client.makedirs(hdfs_path_raw)\n",
|
| 149 |
+
" print(f\"Directorio '{hdfs_path_raw}' verificado/creado en HDFS.\")\n",
|
| 150 |
+
" \n",
|
| 151 |
+
" # Subir el archivo, overwrite=True es seguro aquí porque ya sabemos que no existe,\n",
|
| 152 |
+
" # pero es una buena práctica por si ocurre algo entre la comprobación y la subida.\n",
|
| 153 |
+
" hdfs_client.upload(hdfs_path_raw, csv_filename, overwrite=True)\n",
|
| 154 |
+
" \n",
|
| 155 |
+
" print(f\"✅ Archivo '{csv_filename}' subido exitosamente a HDFS en: '{hdfs_filepath}'\")\n",
|
| 156 |
+
"\n",
|
| 157 |
+
"finally:\n",
|
| 158 |
+
" # En cualquier caso (exista o no), listar el contenido para confirmar.\n",
|
| 159 |
+
" print(\"\\nContenido actual en HDFS en el directorio /data/raw/drones:\")\n",
|
| 160 |
+
" print(hdfs_client.list(hdfs_path_raw))"
|
| 161 |
+
]
|
| 162 |
+
},
|
| 163 |
+
{
|
| 164 |
+
"cell_type": "code",
|
| 165 |
+
"execution_count": null,
|
| 166 |
+
"id": "43fd5108-3a86-407d-a324-ad4022a848a6",
|
| 167 |
+
"metadata": {},
|
| 168 |
+
"outputs": [],
|
| 169 |
+
"source": [
|
| 170 |
+
"# --- Leer desde HDFS y Procesar con Spark ---\n",
|
| 171 |
+
"from pyspark.sql.functions import col, when\n",
|
| 172 |
+
"\n",
|
| 173 |
+
"df_spark = spark.read.option(\"header\", \"true\").option(\"inferSchema\", \"true\").csv(f\"hdfs://localhost:9000{hdfs_filepath}\")\n",
|
| 174 |
+
"\n",
|
| 175 |
+
"print(\"Esquema inferido por Spark:\")\n",
|
| 176 |
+
"df_spark.printSchema()\n",
|
| 177 |
+
"\n",
|
| 178 |
+
"# Calcular un \"Índice de Riesgo\"\n",
|
| 179 |
+
"# El riesgo aumenta si la batería es baja, la temperatura es alta o la vibración es alta\n",
|
| 180 |
+
"df_analizado = df_spark.withColumn(\n",
|
| 181 |
+
" \"indice_riesgo\",\n",
|
| 182 |
+
" (\n",
|
| 183 |
+
" when(col(\"bateria_restante\") < 30, 1).otherwise(0) +\n",
|
| 184 |
+
" when(col(\"temperatura_motor\") > 85, 1).otherwise(0) +\n",
|
| 185 |
+
" when(col(\"vibracion_hz\") > 20, 1).otherwise(0)\n",
|
| 186 |
+
" )\n",
|
| 187 |
+
")\n",
|
| 188 |
+
"\n",
|
| 189 |
+
"print(\"\\nDataFrame con Índice de Riesgo calculado:\")\n",
|
| 190 |
+
"df_analizado.show()\n",
|
| 191 |
+
"\n",
|
| 192 |
+
"# Filtrar solo los drones que necesitan mantenimiento (riesgo > 0)\n",
|
| 193 |
+
"drones_en_riesgo = df_analizado.filter(col(\"indice_riesgo\") > 0).sort(col(\"indice_riesgo\").desc())\n",
|
| 194 |
+
"\n",
|
| 195 |
+
"print(\"\\n🚨 Drones que requieren atención inmediata:\")\n",
|
| 196 |
+
"drones_en_riesgo.show()"
|
| 197 |
+
]
|
| 198 |
+
},
|
| 199 |
+
{
|
| 200 |
+
"cell_type": "code",
|
| 201 |
+
"execution_count": null,
|
| 202 |
+
"id": "f431ced7-0b23-465a-82ff-74f5ede9e014",
|
| 203 |
+
"metadata": {},
|
| 204 |
+
"outputs": [],
|
| 205 |
+
"source": [
|
| 206 |
+
"# --- Celda 5 (Tu Solución): Convertir el resultado final a Pandas y Cargar ---\n",
|
| 207 |
+
"\n",
|
| 208 |
+
"import json\n",
|
| 209 |
+
"from elasticsearch import Elasticsearch\n",
|
| 210 |
+
"\n",
|
| 211 |
+
"# Re-creamos el cliente por si la sesión se reinició\n",
|
| 212 |
+
"es_client = Elasticsearch(\"http://localhost:9200\")\n",
|
| 213 |
+
"es_index_name = \"drones_en_riesgo\"\n",
|
| 214 |
+
"\n",
|
| 215 |
+
"print(f\"Preparando para enviar los resultados a Elasticsearch...\")\n",
|
| 216 |
+
"\n",
|
| 217 |
+
"# Borrar el índice si ya existe para una prueba limpia\n",
|
| 218 |
+
"if es_client.indices.exists(index=es_index_name):\n",
|
| 219 |
+
" es_client.indices.delete(index=es_index_name)\n",
|
| 220 |
+
" print(f\"Índice '{es_index_name}' antiguo borrado.\")\n",
|
| 221 |
+
"\n",
|
| 222 |
+
"# 1. PASO CLAVE: Convertir el DataFrame final de Spark a un DataFrame de Pandas\n",
|
| 223 |
+
"# Esta es la única acción que trae datos del entorno Spark al entorno Python.\n",
|
| 224 |
+
"print(\"Convirtiendo resultado de Spark ('drones_en_riesgo') a Pandas...\")\n",
|
| 225 |
+
"df_pandas_final = drones_en_riesgo.toPandas()\n",
|
| 226 |
+
"print(f\"Conversión completa. Se van a indexar {len(df_pandas_final)} drones.\")\n",
|
| 227 |
+
"\n",
|
| 228 |
+
"# 2. Convertir el DataFrame de Pandas a una lista de diccionarios\n",
|
| 229 |
+
"# (Este formato es ideal para el cliente de Elasticsearch)\n",
|
| 230 |
+
"documentos_para_es = df_pandas_final.to_dict(orient='records')\n",
|
| 231 |
+
"\n",
|
| 232 |
+
"# 3. Indexar la lista de drones en Elasticsearch\n",
|
| 233 |
+
"print(\"Indexando documentos en Elasticsearch...\")\n",
|
| 234 |
+
"for doc in documentos_para_es:\n",
|
| 235 |
+
" # Usamos el cliente de python que ya sabemos que funciona\n",
|
| 236 |
+
" es_client.index(index=es_index_name, document=doc, id=doc['drone_id'])\n",
|
| 237 |
+
"\n",
|
| 238 |
+
"# 4. Refrescar el índice para que los datos estén disponibles para búsqueda\n",
|
| 239 |
+
"es_client.indices.refresh(index=es_index_name)\n",
|
| 240 |
+
"\n",
|
| 241 |
+
"print(f\"\\n✅ ¡ÉXITO! Datos indexados en Elasticsearch exitosamente.\")"
|
| 242 |
+
]
|
| 243 |
+
},
|
| 244 |
+
{
|
| 245 |
+
"cell_type": "code",
|
| 246 |
+
"execution_count": null,
|
| 247 |
+
"id": "9c3df638-a6e0-4894-aadb-65d37ddfbe6e",
|
| 248 |
+
"metadata": {},
|
| 249 |
+
"outputs": [],
|
| 250 |
+
"source": []
|
| 251 |
+
},
|
| 252 |
+
{
|
| 253 |
+
"cell_type": "code",
|
| 254 |
+
"execution_count": null,
|
| 255 |
+
"id": "b71e7210-c631-4f31-91f5-adc94eb9cc85",
|
| 256 |
+
"metadata": {},
|
| 257 |
+
"outputs": [],
|
| 258 |
+
"source": []
|
| 259 |
+
}
|
| 260 |
+
],
|
| 261 |
+
"metadata": {
|
| 262 |
+
"kernelspec": {
|
| 263 |
+
"display_name": "Python 3 (ipykernel)",
|
| 264 |
+
"language": "python",
|
| 265 |
+
"name": "python3"
|
| 266 |
+
},
|
| 267 |
+
"language_info": {
|
| 268 |
+
"codemirror_mode": {
|
| 269 |
+
"name": "ipython",
|
| 270 |
+
"version": 3
|
| 271 |
+
},
|
| 272 |
+
"file_extension": ".py",
|
| 273 |
+
"mimetype": "text/x-python",
|
| 274 |
+
"name": "python",
|
| 275 |
+
"nbconvert_exporter": "python",
|
| 276 |
+
"pygments_lexer": "ipython3",
|
| 277 |
+
"version": "3.9.2"
|
| 278 |
+
}
|
| 279 |
+
},
|
| 280 |
+
"nbformat": 4,
|
| 281 |
+
"nbformat_minor": 5
|
| 282 |
+
}
|