ddadmin
22f08382e5
- Why: - Superset bootstrap used outdated ClickHouse URI format and did not fail fast on init errors. - docs and exported dashboard metadata diverged from runtime connection settings. - What: - build ClickHouse URI from env vars and use clickhousedb:// in init script. - refresh dataset metadata on existing datasets and surface import errors. - run create_dashboard during superset-init startup and align docs/exported URI references. - ignore node_modules in git. - Check: - python3 -m py_compile superset/init_superset.py - manual dashboard smoke check in UI (charts render)
276 lines
9.7 KiB
Python
276 lines
9.7 KiB
Python
#!/usr/bin/env python3
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"""
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================================================================================
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Скрипт инициализации Superset для проекта ClickHouse Mini DWH
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================================================================================
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Назначение:
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- Создание подключения к ClickHouse (Database connection)
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- Импорт датасетов из витрин DM-слоя
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Запуск:
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Внутри контейнера superset:
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python /app/superset_init/init_superset.py
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Важно:
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Superset использует SQLite по умолчанию (не PostgreSQL).
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Текущий подход:
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1. CLI для создания подключения к БД
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2. Superset shell для импорта датасетов (требуется app context)
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Требования:
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- Запущенный ClickHouse с созданными витринами в схеме dm
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- Superset инициализирован (superset db upgrade, admin создан)
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================================================================================
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"""
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import sys
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import os
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import logging
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import subprocess
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from urllib.parse import quote_plus
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# Настройка логирования
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s - %(levelname)s - %(message)s'
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)
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logger = logging.getLogger(__name__)
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# Добавляем путь к superset
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sys.path.insert(0, '/app')
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CLICKHOUSE_USER = os.getenv('CLICKHOUSE_USER', 'default')
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CLICKHOUSE_PASSWORD = os.getenv('CLICKHOUSE_PASSWORD', '123456')
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CLICKHOUSE_HOST = os.getenv('CLICKHOUSE_HOST', 'clickhouse')
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CLICKHOUSE_PORT = os.getenv('CLICKHOUSE_HTTP_PORT', '8123')
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CLICKHOUSE_DATABASE = os.getenv('CLICKHOUSE_DATABASE', 'default')
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def build_clickhouse_uri() -> str:
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"""Собирает URI подключения к ClickHouse для Superset."""
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user = quote_plus(CLICKHOUSE_USER)
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password = quote_plus(CLICKHOUSE_PASSWORD)
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host = CLICKHOUSE_HOST
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port = CLICKHOUSE_PORT
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database = quote_plus(CLICKHOUSE_DATABASE)
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return f"clickhousedb://{user}:{password}@{host}:{port}/{database}"
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def run_superset_cli(args):
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"""Запуск команды superset CLI"""
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cmd = ['superset'] + args
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logger.info(f"Running: {' '.join(cmd)}")
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result = subprocess.run(cmd, capture_output=True, text=True)
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if result.returncode != 0:
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logger.error(f"Command failed: {result.stderr}")
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else:
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logger.info(f"Command output: {result.stdout}")
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return result.returncode == 0, result.stdout, result.stderr
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def create_clickhouse_connection():
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"""Создание подключения к ClickHouse через CLI"""
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logger.info("Creating ClickHouse database connection...")
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database_uri = build_clickhouse_uri()
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# Создаем подключение через set-database-uri
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# clickhouse-connect использует HTTP порт 8123 внутри Docker сети
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success, stdout, stderr = run_superset_cli([
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'set-database-uri',
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'-d', 'clickhouse_dwh',
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'-u', database_uri
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])
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if success:
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logger.info("Successfully created ClickHouse database connection 'clickhouse_dwh'")
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return True
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else:
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logger.error(f"Failed to create database connection: {stderr}")
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logger.info("Please create manually via UI:")
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logger.info("1. Go to: Settings → Database Connections → + Database")
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logger.info("2. Select: ClickHouse")
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logger.info(f"3. URI: {database_uri}")
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return False
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def import_datasets():
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"""Импорт датасетов через Superset shell"""
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logger.info("Importing datasets...")
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datasets = [
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{
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"table_name": "v_events_enriched",
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"schema": "dm",
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"database_name": "clickhouse_dwh",
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"description": "Полная обогащённая витрина событий (event + click)"
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},
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{
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"table_name": "v_daily_traffic",
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"schema": "dm",
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"database_name": "clickhouse_dwh",
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"description": "Агрегация трафика по дням и измерениям"
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},
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{
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"table_name": "v_utm_effectiveness",
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"schema": "dm",
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"database_name": "clickhouse_dwh",
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"description": "Эффективность UTM-кампаний"
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},
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{
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"table_name": "v_top_pages_daily",
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"schema": "dm",
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"database_name": "clickhouse_dwh",
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"description": "Популярность страниц по дням"
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},
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{
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"table_name": "v_session_overview",
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"schema": "dm",
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"database_name": "clickhouse_dwh",
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"description": "Обзор сессий пользователей"
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},
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{
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"table_name": "dq_summary",
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"schema": "dm",
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"database_name": "clickhouse_dwh",
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"description": "Сводка по качеству данных"
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}
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]
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# Создаем Python скрипт для выполнения внутри superset shell
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script_lines = [
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"from superset.extensions import db",
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"from superset.models.core import Database",
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"from superset.connectors.sqla.models import SqlaTable",
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"",
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"# Получаем базу данных",
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"database = db.session.query(Database).filter_by(database_name='clickhouse_dwh').first()",
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"if not database:",
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" print('ERROR: Database clickhouse_dwh not found')",
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" exit(1)",
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"",
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"print(f'Found database: {database.database_name} (id={database.id})')",
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"",
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"imported = 0",
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"refreshed = 0",
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"errors = 0",
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]
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for ds in datasets:
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table_name = ds["table_name"]
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schema_name = ds["schema"]
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description = ds["description"]
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script_lines.extend([
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"",
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f"# Dataset: {table_name}",
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(
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"existing = db.session.query(SqlaTable).filter_by("
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f"table_name={table_name!r}, schema={schema_name!r}"
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").first()"
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),
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"if existing:",
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" try:",
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" if not existing.columns:",
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" existing.fetch_metadata()",
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" db.session.commit()",
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f" print('Refreshed dataset metadata: {table_name}')",
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" refreshed += 1",
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" else:",
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f" print('Dataset {table_name} already exists')",
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" except Exception as e:",
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f" print(f'ERROR: failed to refresh {table_name}: {{e}}')",
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" db.session.rollback()",
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" errors += 1",
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"else:",
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" try:",
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(
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" dataset = SqlaTable("
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f"table_name={table_name!r}, "
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f"schema={schema_name!r}, "
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"database_id=database.id, "
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"database=database, "
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f"description={description!r}"
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")"
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),
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" db.session.add(dataset)",
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" db.session.flush()",
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" dataset.fetch_metadata()",
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" db.session.commit()",
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f" print('Created dataset: {table_name}')",
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" imported += 1",
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" except Exception as e:",
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f" print(f'ERROR: failed to create {table_name}: {{e}}')",
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" db.session.rollback()",
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" errors += 1",
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])
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script_lines.extend([
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"",
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"print(f'Successfully imported {imported} datasets')",
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"print(f'Refreshed metadata for {refreshed} datasets')",
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"print(f'Errors: {errors}')",
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"if errors > 0:",
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" raise SystemExit(1)",
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])
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script_content = '\n'.join(script_lines)
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# Запускаем через superset shell
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cmd = ['superset', 'shell']
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logger.info("Running datasets import via superset shell...")
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result = subprocess.run(
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cmd,
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input=script_content,
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capture_output=True,
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text=True
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)
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if result.returncode != 0:
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logger.error(f"Shell command failed: {result.stderr}")
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return False
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logger.info(f"Shell output:\n{result.stdout}")
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if "ERROR" in result.stdout:
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logger.error("Failed to import some datasets")
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return False
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logger.info("Datasets imported successfully")
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return True
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def main():
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"""Главная функция инициализации"""
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logger.info("=" * 60)
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logger.info("Superset Initialization for ClickHouse Mini DWH")
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logger.info("=" * 60)
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# Создаем подключение к ClickHouse
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if not create_clickhouse_connection():
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logger.error("Failed to create ClickHouse connection")
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sys.exit(1)
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# Импортируем датасеты
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try:
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if not import_datasets():
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logger.error("Failed to import datasets")
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logger.info("\nTo create datasets manually:")
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logger.info("1. Go to http://localhost:8088")
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logger.info("2. Datasets → + Dataset")
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logger.info("3. Select 'clickhouse_dwh' database")
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logger.info("4. Select schema 'dm' and desired table")
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sys.exit(1)
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except Exception as e:
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logger.error(f"Error importing datasets: {e}")
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import traceback
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traceback.print_exc()
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sys.exit(1)
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logger.info("=" * 60)
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logger.info("Superset initialization completed successfully!")
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logger.info("=" * 60)
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if __name__ == "__main__":
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main()
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