代码提交

engine/data_monitor.py

@@ -4,10 +4,13 @@ import json
 from django.conf import settings
 from pymysqlreplication import BinLogStreamReader
 from pymysqlreplication.row_event import DeleteRowsEvent, WriteRowsEvent, UpdateRowsEvent
+from engine.redis_base import _PoolMinx
+from engine.lazy_data_sync import LazyDataHandle
+from settings.mapping import table_index
 
 MYSQL_SETTINGS = {'host': '127.0.0.1', 'port': 3306, 'user': 'root', 'passwd': '12345678'}
 
-kafka_setting = {}
+last_record_time = _PoolMinx.get_last_record()
 
 
 def listen_data():
@@ -17,12 +20,12 @@ def listen_data():
         blocking=True,
         only_schemas=['demo'],
         only_tables=["runoob_tbl"],
-        only_events=[DeleteRowsEvent, WriteRowsEvent, UpdateRowsEvent])
-    # producer = KafkaProducer(kafka_setting, topic_setting)
+        only_events=[DeleteRowsEvent, WriteRowsEvent, UpdateRowsEvent],
+        skip_to_timestamp=last_record_time)
 
     for binlogevent in stream:
         for row in binlogevent.rows:
-            event = {"schema": binlogevent.schema, "table": binlogevent.table}
+            event = {"schema": binlogevent.schema, "table": binlogevent.table, 'time': binlogevent.timestamp}
             if isinstance(binlogevent, DeleteRowsEvent):
                 event["action"] = "delete"
                 event["values"] = dict(row["values"].items())
@@ -36,8 +39,14 @@ def listen_data():
                 event["action"] = "insert"
                 event["values"] = dict(row["values"].items())
                 event = dict(event.items())
-            print(json.dumps(event))
 
+            if int(event.get("time") or 0) <= last_record_time:
+                #比较最后一条记录时间过滤
+                continue
+            #Todo同步到数据库
+            print(json.dumps(event))
+            table_index[event.get("table")].handle_data(event)
+            # LazyDataHandle.handle_data()
             sys.stdout.flush()
 
     stream.close()
\ No newline at end of file

engine/es_base.py

+import json
 from elasticsearch import Elasticsearch, helpers
 from django.conf import settings
+ES_HOSTS = ['127.0.0.1:9200']
 
 
 class ESPerform(object):
-    cli_obj = None
-    cli_info_list = settings.ES_HOSTS
+    cli_obj = Elasticsearch('127.0.0.1:9200')
+    cli_info_list = ES_HOSTS    #settings.ES_HOSTS
 
     @classmethod
     def get_cli(cls, cli_info=None):
@@ -14,39 +16,19 @@ class ESPerform(object):
                 'sniff_on_connection_fail': False,
             }
             es_cli_info = cli_info if cli_info else cls.cli_info_list
-            cls.cli_obj = Elasticsearch(hosts=es_cli_info, **init_args)
+            cls.cli_obj = Elasticsearch('127.0.0.1:9200')
             return cls.cli_obj
         except:
             return None
 
-    @classmethod
-    def create_data(cls, index="", body={}):
-        cls.cli_obj.create(index=index, body=body)
 
     @classmethod
-    def del_data(cls, index="", sql_id=""):
-        if not sql_id:
-            return
-
-        query = {'query': {'term': {'sql_id': sql_id}}}
-        result = cls.cli_obj.search(index=index, body=query)
-        if result.get('hits') and result['hits'].get('hits') and result['hits']['hits'][0]:
-            result = result['hits']['hits'][0]
-            cls.cli_obj.delete(index=index, id=result.get("_id"))
+    def lazy_batch(cls, body, index, doc_type):
+        """批量处理 包括增删改"""
 
-    @classmethod
-    def update_data(cls, index="", sql_id="", body={}):
-        if not sql_id:
-            return
+        data = []
+        for item in body:
+            item = json.loads(item.decode("utf-8").replace("\'", "\""))
+            data.append(item)
 
-        query = {'query': {'term': {'sql_id': sql_id}}}
-        result = cls.cli_obj.search(index=index, body=query)
-        if result.get('hits') and result['hits'].get('hits') and result['hits']['hits'][0]:
-            result = result['hits']['hits'][0]
-            if not result.get("_id"):
-                return
-            cls.cli_obj.update(index="my_index", id=result.get("_id"), body={"doc": body})
-
-    @classmethod
-    def lazy_create(cls, body):
-        helpers.bulk(cls.cli_obj, body)
\ No newline at end of file
+        cls.cli_obj.bulk(index=index, doc_type=doc_type, body=data)
\ No newline at end of file

engine/heras_transfer.py

+from engine.lazy_data_sync import LazyDataHandle
+from engine.redis_base import LazyRecord
+
+
+class LocalDemo(LazyDataHandle):
+
+    @classmethod
+    def insert_data(cls, data):
+        table_name = data.get("table")
+        if not table_name:
+            return
+
+        values = data.get('values')
+        in_value = [{
+            "create": {
+                "_index": table_name,
+                "_type": table_name,
+                "_id": values.get("runoob_id")
+            }}, {
+            "title": values.get("runoob_title", "") or ""
+         }]
+        redis_cli = LazyRecord(model_name=table_name)
+        redis_cli.handle(data=in_value, index=table_name, doc_type=table_name)
+
+    @classmethod
+    def update_data(cls, data):
+        table_name = data.get("table")
+        if not table_name:
+            return
+
+        values = data.get('after_values')
+
+        update_value = [{
+            "update": {
+                "_id": values.get("runoob_id"),
+                "_index": table_name,
+                "_type": table_name,
+            }
+        }, {
+            "doc": {
+                "title": values.get("runoob_title") or ""
+            }
+        }]
+        redis_cli = LazyRecord(model_name=table_name)
+        redis_cli.handle(data=update_value, index=table_name, doc_type=table_name)
+
+    @classmethod
+    def del_data(cls, data):
+
+        table_name = data.get("table")
+        if not table_name:
+            return
+
+        values = data.get('values')
+        out_value = [{
+            "delete": {
+                "_index": table_name,
+                "_id": values.get("runoob_id"),
+                "_type": table_name,
+            }
+        }]
+        redis_cli = LazyRecord(model_name=table_name)
+        redis_cli.handle(data=out_value, index=table_name, doc_type=table_name)
\ No newline at end of file

engine/lazy_data_sync.py

@@ -8,11 +8,30 @@ from engine.es_base import ESPerform
 
 class LazyDataHandle(object):
     redis_cli = _PoolMinx()
+    actions = ['insert', 'update', 'delete']
 
     @classmethod
-    def insert(cls, l_key, data):
-        #插入数据
+    def insert_data(cls, data):
+        pass
 
-        result = cls.redis_cli.client.get(name=l_key)  # 拿到全部数据
-        ESPerform.lazy_create(body=result)
+    @classmethod
+    def del_data(cls, data):
+        pass
+
+    @classmethod
+    def update_data(cls, data):
+        pass
+
+    @classmethod
+    def handle_data(cls, data):
+        if data.get("action") not in cls.actions:
             return
+
+        if data.get("action") == "insert":
+            return cls.insert_data(data)
+
+        if data.get("action") == "update":
+            return cls.update_data(data)
+
+        if data.get("action") == "delete":
+            return cls.del_data(data)

engine/redis_base.py

@@ -3,6 +3,7 @@
 import redis
 import json
 from django.conf import settings
+from engine.es_base import ESPerform
 
 
 class _PoolMinx(object):
@@ -17,6 +18,15 @@ class _PoolMinx(object):
         self.client.delete(key)
         return
 
+    @classmethod
+    def update_last_record(cls, time_number):
+        cls.client.set("last_update_time", time_number)
+
+    @classmethod
+    def get_last_record(cls):
+        last_time = cls.client.get("last_update_time")
+        return int(last_time or 0)
+
 
 class LazyRecord(_PoolMinx):
     def __init__(self, model_name):
@@ -24,13 +34,23 @@ class LazyRecord(_PoolMinx):
         self._index = model_name
         self.model_name = self.prefix + model_name
 
-    def insert(self, data):
+    def handle(self, data, index="", doc_type=""):
         """插入一条数据"""
         if not data:
             return
 
-        data = json.dumps(data)
-        self.client.rpush(self.model_name, json.dumps(data))
+        value_list = []
+        for item in data:
+            value_list.append(item)
+
+        value_list = tuple(value_list)
+        self.client.rpush(self.model_name, *value_list)
+
+        data_lenth = self.get_len()
+        if data_lenth >= 1:
+            in_data = self.pop_data()
+            ESPerform.lazy_batch(in_data, index, doc_type)
+
         return
 
     def get_data(self):

settings/mapping.py

+#ES映射到具体的Mysql
+from engine.heras_transfer import LocalDemo
+
+table_index = {
+    "runoob_tbl": LocalDemo
+}
\ No newline at end of file

settings/settings.py

@@ -121,4 +121,30 @@ STATIC_URL = '/static/'
 
 from .settings_local import *
 from engine.data_monitor import listen_data
+MYSQL_SETTINGS = {
+    'host': '127.0.0.1',
+    'port': 3306,
+    'user': 'root',
+    'passwd': '12345678'
+}
+
+
+ES_HOSTS = ['127.0.0.1']
+
+REDIS = {
+    'default': {'host': '127.0.0.1', 'port': 6379, 'db': 0},
+    'es_lazydata': {'host': '127.0.0.1', 'port': 6379, 'db': 1}
+}
+
+LazyLen = 100
+
+SENTRY_CELERY_ENDPOINT = ""
+
+BROKER_URL = 'redis://127.0.0.1:6379/2'
+CELERY_BROKER_URL = 'redis://127.0.0.1:6379/2'
+CELERY_TASK_SERIALIZER = "json"
+
+
 listen_data()
+
+