Initial commit

.gitignore

+### Python template
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Sphinx documentation
+docs/_build/
+
+# Jetbrain's IDEA
+.idea/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# dotenv
+.env
+.env-target
+
+# virtualenv
+.venv
+venv/
+ENV/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+
+
+config-stitch.json

.vscode/settings.json

+{
+    "python.pythonPath": "/home/felipe/Documents/testes/tap-elasticsearch/env/bin/python3.6"
+}
\ No newline at end of file

LICENSE.md

+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
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Makefile

+.DEFAULT_GOAL := test
+
+install:
+	python3 -m pip install -e '.[dev]'

README.md

+# tap-elasticsearch
+
+This is a [Singer](https://singer.io) tap that produces JSON-formatted data following the [Singer spec](https://github.com/singer-io/getting-started/blob/master/SPEC.md).
+
+This tap:
+- Pulls raw data from a Elasticsearch Server
+- Outputs the schema for each resource
+- Incrementally pulls data based on the input state
+
+---
+
+Copyright © 2018 Armando Miani

requirements.txt

+singer-python
+requests
+strconv
+elasticsearch>=6.0.0,<7.0.0

setup.py

+from setuptools import setup, find_packages
+
+
+setup(
+    name="tap-elasticsearch",
+    version="0.0.2",
+    description="Singer.io tap for extracting data from Elasticsearch",
+    author="Armando Miani",
+    author_email="armando.miani@gmail.com",
+    url="http://singer.io",
+    classifiers=["Programming Language :: Python :: 3 :: Only"],
+    py_modules=["tap_elasticsearch"],
+    install_requires=[
+        'singer-python',
+        'requests',
+        'strconv',
+        'elasticsearch'
+    ],
+    entry_points="""
+        [console_scripts]
+        tap-elasticsearch=tap_elasticsearch:main
+    """,
+    packages=find_packages(),
+    include_package_data=True
+)

stitchconfig.json

+{
+  "client_id" : 103525,
+  "token" : "9b662c4cfabf49d905e4f2a68e9d30109c156e98213f42ef8ce8eec138a1a623"
+}

tap_elasticsearch/LICENSE.md

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tap_elasticsearch/__init__.py

+from datetime import datetime, timezone
+
+import singer
+
+from .args import parse_args
+from .es_util import (
+    get_schemas,
+    search_rows,
+    scroll
+)
+from .bypass import names
+
+
+logger = singer.get_logger()
+now = datetime.now(timezone.utc).isoformat()
+default_page_size = 1000
+schemas = None
+
+
+def main():
+    params = parse_args()
+    schemas = get_schemas(params)
+
+    for s in schemas:
+        columns = schemas[s]['columns']
+
+        logger.info('Schema: {}'.format(s))
+        logger.info('{} Columns:'.format(len(columns)))
+        logger.info('-' * 30)
+
+        __export_schema(s, columns)
+        __export_data(params, s, columns)
+
+
+def __export_schema(s, columns):
+    logger.info('Exporting Schema...')
+    properties = {'id': {'type': 'string', 'key': True}}
+    for c in columns:
+        properties[c['column']] = {
+            'type': c['type']
+        }
+    singer.write_schema(s, {'properties': properties}, key_properties="id")
+
+
+def __export_data(params, s, columns):
+    start_from = 0
+
+    logger.info('Fetching first page...')
+
+    logger.info('Starting at: {}'.format(start_from))
+    result, scroll_id = search_rows(
+        params, doc_type=s, start_from=start_from, size=default_page_size)
+    total_rows_found = int(result['hits']['total'])
+    page_data = result['hits']['hits']
+    page_rows = len(page_data)
+
+    __export_page(s, page_data)
+
+    logger.info('Total rows found: {}'.format(total_rows_found))
+    logger.info('Rows in this page: {}'.format(page_rows))
+
+    while page_rows == default_page_size:
+        start_from += page_rows
+        result = scroll(params, scroll_id)
+
+        page_data = result['hits']['hits']
+        page_rows = len(page_data)
+        __export_page(s, page_data)
+
+        percent_completed = (start_from / total_rows_found) * 100
+        logger.info('{}% completed - {} of {}'.format(
+            percent_completed, start_from, total_rows_found))
+
+
+def __export_page(s, page_rows):
+    rows = []
+    [rows.append(__combine_row(r)) for r in page_rows]
+    singer.write_records(s, rows)
+
+
+def __combine_row(r):
+    row = r['_source']
+    row['id'] = r['_id']
+
+    for bc in names['force_types']:
+        if bc not in row:
+            continue
+        target_type = type(row[bc])
+        if target_type is dict:
+            row[bc] = [row[bc]]
+
+    return row

tap_elasticsearch/args.py

+import sys
+import getopt
+
+
+def parse_args():
+    opts, args = getopt.getopt(sys.argv[1:], 'h:i:')
+    params = {}
+    for k, v in opts:
+        params[k] = v
+
+    return params

tap_elasticsearch/bypass.py

+names = {
+    'force_types': {
+        'contrato_fiador': 'array',
+        'contrato_proprietarios': 'array',
+        'imovel_proprietarios': 'array',
+        'contrato_inquilino': 'array',
+        'contrato_cobrancas': 'array'
+    }
+}

tap_elasticsearch/es_util.py

+import singer
+
+from elasticsearch.client import Elasticsearch
+from elasticsearch.exceptions import NotFoundError
+
+
+logger = singer.get_logger()
+conn = {}
+scroll_time = '1d'
+
+
+def get_connection(es_params):
+    if 'es' not in conn:
+        conn['es'] = Elasticsearch([es_params['-h']], verify_certs=True)
+    return conn['es']
+
+
+def get_schemas(es_params):
+    mappings = get_mappings(es_params)
+    if not mappings:
+        raise Exception('Index not Found.')
+
+    result = {}
+    for m in mappings[es_params['-i']]['mappings']:
+        columns = get_columns(
+            mappings[es_params['-i']]['mappings'][m]['properties'])
+
+        result[m] = {
+            'columns': columns
+        }
+    return result
+
+
+def get_columns(columns):
+    from .bypass import names
+
+    result = []
+    for cn in columns:
+        if 'type' not in columns[cn]:
+            subcolumns = get_columns(columns[cn]['properties'])
+
+            special_datatype = 'object'
+            if cn in names['force_types']:
+                special_datatype = 'array'
+
+            result.append({
+                'column': cn,
+                'type': special_datatype,
+                'columns': subcolumns
+            })
+        else:
+            result.append({
+                'column': cn,
+                'type': __convert_datatype(columns[cn]['type'])
+            })
+
+    return result
+
+
+def get_mappings(es_params):
+    es = get_connection(es_params)
+    try:
+        return es.indices.get(es_params['-i'])
+    except NotFoundError as e:
+        logger.warn('Index {} not found.'.format(es_params['-i']))
+        return None
+
+
+def search_rows(es_params, doc_type, start_from, size):
+    es = get_connection(es_params)
+    result = es.search(
+        index=es_params['-i'],
+        doc_type=doc_type,
+        from_=start_from,
+        size=size,
+        scroll='1d')
+    return result, result['_scroll_id']
+
+
+def scroll(es_params, scroll_id):
+    es = get_connection(es_params)
+    return es.scroll(scroll_id, scroll='1d')
+
+
+def __convert_datatype(datatype):
+    if datatype == 'text':
+        return 'string'
+    return datatype

tap_elasticsearch/utils.py

+import strconv
+
+
+def handle_value(value, schema_type):
+    v, t = strconv.convert(value, include_type=True)
+    if t == 'date':
+        return v.strftime('%Y-%m-%d 00:00:00')
+
+    if value == '' and 'null' in schema_type:
+        return None
+
+    if 'string' in schema_type:
+        return str(v)
+
+    return v
+
+
+def compare_dicts(dict1, dict2):
+    return [k1 for k1 in dict1 if k1 not in dict2]

test.py

+from elasticsearch.client import Elasticsearch
+from elasticsearch.exceptions import NotFoundError
+from pprint import pprint
+
+conn = {}
+
+def __convert_datatype(datatype):
+    if datatype == 'text':
+        return 'string'
+    return datatype
+
+def get_columns(columns):
+    names = {
+        'force_types': {
+            'contrato_fiador': 'array',
+            'contrato_proprietarios': 'array',
+            'imovel_proprietarios': 'array',
+            'contrato_inquilino': 'array',
+            'contrato_cobrancas': 'array'
+        }
+    }
+
+    result = []
+    for cn in columns:
+        if 'type' not in columns[cn]:
+            subcolumns = get_columns(columns[cn]['properties'])
+
+            special_datatype = 'object'
+            if cn in names['force_types']:
+                special_datatype = 'array'
+
+            result.append({
+                'column': cn,
+                'type': special_datatype,
+                'columns': subcolumns
+            })
+        else:
+            result.append({
+                'column': cn,
+                'type': __convert_datatype(columns[cn]['type'])
+            })
+
+    return result
+
+if 'es' not in conn:
+    conn['es'] = Elasticsearch(['https://search-imobiliarias-e4447lzy47ngcfxgcurvnq4uwe.us-east-1.es.amazonaws.com'], verify_certs=True)
+
+
+
+mappings = conn['es'].indices.get('bigdata')
+
+schema = {}
+for m in mappings['bigdata']['mappings']:
+    columns = get_columns(
+        mappings['bigdata']['mappings'][m]['properties'])
+
+    schema[m] = {
+        'columns': columns
+    }
+
+
+print(schema.keys())
+
+
+#start_from = 0
+start_from = 0
+default_page_size = 1
+result = conn['es'].search(
+    index='bigdata',
+    doc_type='contratos',
+    from_=start_from,
+    size=default_page_size,
+    scroll='1d')
+
+scroll_id = 'DnF1ZXJ5VGhlbkZldGNoBQAAAAAAAhmAFlk3N3QwaGQ3Uk0yNjFScjdiWHp1Q2cAAAAAAAIZgRZZNzd0MGhkN1JNMjYxUnI3Ylh6dUNnAAAAAAACGYIWWTc3dDBoZDdSTTI2MVJyN2JYenVDZwAAAAAAAhmDFlk3N3QwaGQ3Uk0yNjFScjdiWHp1Q2cAAAAAAAIZhBZZNzd0MGhkN1JNMjYxUnI3Ylh6dUNn'
+
+test = conn['es'].scroll(scroll_id, scroll='1d')
+print(test)
+
+pprint(result)
+
+