app factory and more

.gitignore

@@ -1,6 +1,10 @@
 backend/__pycache__/
 ollama
-deployment/ollama
 *.env
 deployment/*.env
+deployment/ollama
+# neo4j
+deployment/data
+deployment/logs
+
 

backend/app.py

@@ -1,20 +1,14 @@
 
-"""
-OpenAPI access via http://localhost:5000/openapi/ on local docker-compose deployment
-"""
+__version__ = "0.4.0"
 
 #------std lib modules:-------
 import os, sys, json, time
 import os.path
 from typing import Any, Tuple, List, Dict, Any, Callable, Optional, Union
 from datetime import datetime, date
-import logging
 from functools import wraps
 
 #-------ext libs--------------
-
-#from elasticsearch import NotFoundError, Elasticsearch # for normal read/write without vectors
-#from elasticsearch_dsl import A, Document, Date, Integer, Keyword, Float, Long, Text, connections
 from elasticsearch_dsl import connections
 
 from pydantic import BaseModel, Field
@@ -24,18 +18,20 @@ import jwt as pyjwt
 from flask import Flask, send_from_directory, send_file, Response, request, jsonify
 from flask_openapi3 import Info, Tag, OpenAPI, Server #FileStorage
 from flask_socketio import SocketIO, join_room, leave_room, rooms, send
-#from werkzeug.utils import secure_filename
+from werkzeug.utils import secure_filename
 
 import asyncio
+import logging
 
 #----------home grown--------------
 from lib.funcs import group_by
 from lib.elastictools import get_by_id, wait_for_elasticsearch
-from lib.models import init_indicies, Chatbot, User, Text
-from lib.chatbot import ask_bot, ask_bot2, train_text, download_llm
+from lib.models import init_indicies, Chatbot, User, Text, Question, Answer
+from lib.chatbot import ask_bot, train_text, download_llm
 from lib.speech import text_to_speech
 from lib.mail import send_mail
 from lib.user import hash_password, create_user, create_default_users
+from lib.logging import ElasticsearchLogHandler, get_log_level
 
 
 BOT_ROOT_PATH = os.getenv("BOT_ROOT_PATH")
@@ -51,53 +47,26 @@ jwt_secret = os.getenv("SECRET")
 assert jwt_secret
 
 
-# JWT Bearer Sample
-jwt = {
-    "type": "http",
-    "scheme": "bearer",
-    "bearerFormat": "JWT"
-}
-security_schemes = {"jwt": jwt}
-security = [{"jwt": []}]
 
+class MeasureTime:
     
-def get_module_versions():
-    with open("requirements.txt", "r") as f:
-        modules = {line.split("#")[0] for line in f.read().split("\n") if line.split("#")[0] != ""}
-    with open("current_requirements.txt", "r") as f:
-        d = {k: v for (k, v) in [line.split("#")[0].split("==") for line in f.read().split("\n") if line.split("#")[0] != ""]}
-    return {k: v for k, v in d.items() if k in modules}
+    def __init__(self, name, logger=logging.getLogger()):
+        self.__start = datetime.now().timestamp()
+        self.__logger = logger
+        self.__name = name
+
+    def __enter__(self):
+        return self
+    
+    def __exit__(self, type, value, traceback):
+        duration = round(datetime.now().timestamp() - self.__start, 2)
+        self.__logger.info(f"{self.__name} duration: {duration} seconds")
+        print(f"{self.__name} duration: {duration} seconds", flush=True)
+        return False
 
 
 
-import multiprocessing
-cpus = multiprocessing.cpu_count()
-
-
-info = Info(
-    title="CreativeBots-API",
-    version="1.0.0",
-    summary="The REST-API to manage bots, users and more!",
-    description="CPUs: " + str(cpus) + "<br>" + json.dumps(get_module_versions(), indent=4).replace("\n", "<br>")
-)
-servers = [
-    Server(url=BOT_ROOT_PATH )
-]
-
-class NotFoundResponse(BaseModel):
-    code: int = Field(-1, description="Status Code")
-    message: str = Field("Resource not found!", description="Exception Information")
-
-app = OpenAPI(
-        __name__,
-        info=info,
-        servers=servers,
-        responses={404: NotFoundResponse},
-        security_schemes=security_schemes
-    )
-
-
-def uses_jwt(required=True):
+def uses_jwt(logger=None, required=True):
     """
     Wraps routes in a jwt-required logic and passes decoded jwt and user from elasticsearch to the route as keyword
     """
@@ -108,6 +77,11 @@ def uses_jwt(required=True):
     def non_param_deco(f):
         @wraps(f)
         def decorated_route(*args, **kwargs):
+
+            #app.logger.info(f"Request from IP: '{request.remote_addr}'")
+
+            #request.environ.get('HTTP_X_REAL_IP', request.remote_addr)
+
             token = None
             if "Authorization" in request.headers:
                 token = request.headers["Authorization"].split(" ")[1]
@@ -156,6 +130,43 @@ def uses_jwt(required=True):
 
 
 
+
+def create_app():
+
+    # JWT Bearer Sample
+    jwt = {
+        "type": "http",
+        "scheme": "bearer",
+        "bearerFormat": "JWT"
+    }
+    security_schemes = {"jwt": jwt}
+    security = [{"jwt": []}]
+
+
+    info = Info(
+        title="CreativeBots-API",
+        version=__version__,
+        summary="The REST-API to manage bots, users and more!",
+        description=""
+    )
+    servers = [
+        Server(url=BOT_ROOT_PATH )
+    ]
+
+    class NotFoundResponse(BaseModel):
+        code: int = Field(-1, description="Status Code")
+        message: str = Field("Resource not found!", description="Exception Information")
+
+    app = OpenAPI(
+            __name__,
+            info=info,
+            servers=servers,
+            responses={404: NotFoundResponse},
+            security_schemes=security_schemes
+        )
+
+    logger = logging.getLogger()
+
     socket = SocketIO(app, cors_allowed_origins="*")
 
     @socket.on('connect')  
@@ -184,6 +195,8 @@ def handle_message(message):
 
         SocketMessage.model_validate(message)
 
+        logger.info("Starting stream")
+
 
         #try:
         room = message["room"]
@@ -191,8 +204,18 @@ def handle_message(message):
         system_prompt = message["system_prompt"]
         bot_id = message["bot_id"]
 
-    start = datetime.now().timestamp()
-    d = ask_bot2(system_prompt + " " + question, bot_id)
+
+        q = Question()
+        q.text = question
+        q.md5 = hash_password(question)
+        q.save()
+
+
+        #start = datetime.now().timestamp()
+
+        with MeasureTime("Streaming + Scoring docs -total", logger) as timer:
+
+            d = ask_bot(system_prompt + " " + question, bot_id)
 
             def get_scores(*args):
                 score_docs = d["get_score_docs"]()
@@ -201,10 +224,22 @@ def handle_message(message):
 
             def do_streaming(*args):
                 start_stream = datetime.now().timestamp()
+                answer = ""
                 for chunk in d["answer_generator"]():
                     socket.emit('backend token', {'data': chunk, "done": False}, to=room)
+                    answer += chunk
+
                 stream_duration = round(datetime.now().timestamp() - start_stream, 2)
-        print("Stream duration: ", stream_duration, flush=True)
+
+                logger.info("Stream duration: " + str(stream_duration))
+
+                a = Answer(
+                        question_id=q.meta.id,
+                        answer=answer,
+                        md5=hash_password(answer)
+                    )
+                a.save()
+
 
 
             async def f():
@@ -221,8 +256,11 @@ def handle_message(message):
                 "score_docs": score_docs
             }, to=room)
 
-    duration = round(datetime.now().timestamp() - start, 2)
-    print("Total duration: ", duration, flush=True)
+
+
+        #duration = round(datetime.now().timestamp() - start, 2)
+        #logger.info("Total duration: " + str(duration))
+
 
 
 
@@ -245,10 +283,12 @@ def login(form: LoginRequest):
         """
         Get your JWT to verify access rights
         """
+        LoginRequest.model_validate(form)
+
 
         if form.email is None or form.password is None:
             msg = "Invalid password!"
-        app.logger.error(msg)
+            logger.error(msg)
             return jsonify({
                 'status': 'error',
                 'message': msg
@@ -257,7 +297,7 @@ def login(form: LoginRequest):
         match get_by_id(index="user", id_field_name="email", id_value=form.email):
             case []:
                 msg = "User with email '%s' doesn't exist!" % form.email
-            app.logger.error(msg)
+                logger.error(msg)
                 return jsonify({
                     'status': 'error',
                     'message': msg
@@ -266,14 +306,14 @@ def login(form: LoginRequest):
             case [user]:
                 if user["password_hash"] == hash_password(form.password + form.email):
                     token = pyjwt.encode({"email": form.email}, jwt_secret, algorithm="HS256")
-                #app.logger.info(token)
+                    #logger.info(token)
                     return jsonify({
                         'status': 'success',
                         'jwt': token
                     })
                 else:
                     msg = "Invalid password!"
-                app.logger.error(msg)
+                    logger.error(msg)
                     return jsonify({
                         'status': 'error',
                         'message': msg
@@ -293,7 +333,7 @@ def register(form: RegisterRequest):
 
         if form.email is None or form.password is None:
             msg = "Parameters missing!"
-        app.logger.error(msg)
+            logger.error(msg)
             return jsonify({
                 'status': 'error',
                 'message': msg
@@ -343,13 +383,19 @@ class GetSpeechRequest(BaseModel):
 
     @app.post('/text2speech', summary="", tags=[], security=security)
     def text2speech(form: GetSpeechRequest):
+
+        with MeasureTime("text2speech file", logger) as timer:
             file_name = text_to_speech(form.text)
+
+        logger.info("Created '%s' !" % file_name)
+
         return jsonify({
             "status": "success",
             "file": "/" + file_name
         })
 
 
+
     #============ Bot CRUD ===============
 
     class CreateBotRequest(BaseModel):
@@ -371,12 +417,13 @@ def create_bot(form: CreateBotRequest, decoded_jwt, user):
         """
         CreateBotRequest.model_validate(form)
 
-    bot = Chatbot()
-    bot.name = form.name
-    bot.visibility = form.visibility
-    bot.description = form.description
-    bot.system_prompt = form.system_prompt
-    bot.llm_model = form.llm_model
+        bot = Chatbot(
+            name=form.name,
+            visibility=form.visibility,
+            description=form.description,
+            system_prompt=form.system_prompt,
+            llm_model=form.llm_model
+        )
 
         #add meta data
         bot.creation_date = datetime.now()
@@ -443,7 +490,6 @@ def get_bots(query: GetBotRequest, decoded_jwt, user):
 
 
 
-
     class UpdateBotRequest(BaseModel):
         id: str = Field(None, description="The bot's id")
         name: str = Field(None, description="The bot's name")
@@ -513,10 +559,9 @@ def query_bot(query: AskBotRequest, decoded_jwt, user):
         bot_id = query.bot_id
         question = query.question
 
-
         start = datetime.now().timestamp()
 
-    d = ask_bot2(system_prompt + " " + question, bot_id)
+        d = ask_bot(system_prompt + " " + question, bot_id)
 
         def get_scores(*args):
             score_docs = d["get_score_docs"]()
@@ -530,7 +575,7 @@ def query_bot(query: AskBotRequest, decoded_jwt, user):
                 answer += chunk
 
             stream_duration = round(datetime.now().timestamp() - start_stream, 2)
-        print("Stream duration: ", stream_duration, flush=True)
+            logger.info(f"Stream duration: {stream_duration}")
             return answer
 
 
@@ -544,9 +589,8 @@ def query_bot(query: AskBotRequest, decoded_jwt, user):
         [score_docs, answer] = asyncio.run(f())
 
         duration = round(datetime.now().timestamp() - start, 2)
-    print("Total duration: ", duration, flush=True)
 
-    app.logger.info(duration)
+        logger.info("Total duration: " + str(duration))
 
         return jsonify({
             "answer": answer,
@@ -587,7 +631,10 @@ def upload(form: TrainTextRequest, decoded_jwt, user):
                 'message': 'No data source found'
             }), 400
 
+
+        with MeasureTime("Training on text", logger) as _:
             train_text(bot_id, text)
+
         return jsonify({
             "status": "success"
         })
@@ -599,23 +646,43 @@ def index():
         return send_from_directory('./public', "index.html")
 
 
+    @app.route("/info")
+    def debug_info():
+        import multiprocessing
+
+        def get_module_versions():
+            with open("requirements.txt", "r") as f:
+                modules = {line.split("#")[0] for line in f.read().split("\n") if line.split("#")[0] != ""}
+            with open("current_requirements.txt", "r") as f:
+                d = {k: v for (k, v) in [line.split("#")[0].split("==") for line in f.read().split("\n") if line.split("#")[0] != ""]}
+            return {k: v for k, v in d.items() if k in modules}
+
+        d = {}
+        d["module_versions"] = get_module_versions()
+        d["OLLAMA_NUM_PARALLEL"] = os.getenv("OLLAMA_NUM_PARALLEL")
+        d["OLLAMA_MAX_LOADED_MODELS"] = os.getenv("OLLAMA_MAX_LOADED_MODELS")
+        d["cpus"] = multiprocessing.cpu_count()
+
+        #return "CPUs: " + str(cpus) + "<br>" + json.dumps(get_module_versions(), indent=4).replace("\n", "<br>")
+
+        return json.dumps(d, indent=4).replace("\n", "<br>")
+
+
+
+
     @app.route('/<path:path>') #generische Route (auch Unterordner)
     def catchAll(path):
+        logger.info(f"Path requested: '{path}'")
         return send_from_directory('./public', path)
 
 
-#import logging_loki
 
+    lvl = get_log_level()
+    #print(f"Log level: {lvl}", flush=True)
 
+    logger.addHandler(ElasticsearchLogHandler(level=logging.INFO))
+    logger.setLevel(lvl)
 
-def create_app():
-    LOG_LEVEL = os.getenv("LOG_LEVEL")
-    if LOG_LEVEL:
-        logging.basicConfig(level=eval("logging." + LOG_LEVEL))
-    else:
-        logging.basicConfig(level=logging.WARN)
-
-    #TODO: implement some kind of logging mechanism
     download_llm("llama3")
     connections.create_connection(hosts=elastic_url, request_timeout=60)
     wait_for_elasticsearch()
@@ -624,8 +691,9 @@ def create_app():
 
     return app
 
+
 if __name__ == '__main__':
     app = create_app()
-    app.run(debug=False, host='0.0.0.0')
+    app.run(debug=True, host='0.0.0.0')
 
 

backend/lib/chatbot.py

@@ -87,26 +87,11 @@ def train_text(bot_id, text):
 
 
 
-#TODO add history
+
 
 def ask_bot(question, bot_id):
-    bot = Chatbot.get(id=bot_id)
-    llm = Ollama(
-        model=bot.llm_model,
-        base_url=ollama_url
-    )
-    query = bot.system_prompt + " " + question
-    for chunk in llm.stream(query):
-        yield chunk
-
-
-
-#connections.get_connection()
-#if es.indices.exists(index="index"):
-
-def ask_bot2(question, bot_id):
     """
-    Asks a chatbot
+    Asks a chatbot using RAG resources
     """
 
     bot = Chatbot.get(id=bot_id)
@@ -159,7 +144,6 @@ def ask_bot2(question, bot_id):
                 xs.append([score, dict(doc)])
             return xs
 
-
         return {
             "answer_generator": gen_func,
             "get_score_docs": get_score_docs

backend/lib/knowledge.py

@@ -0,0 +1,38 @@
+
+
+
+
+from neo4j import GraphDatabase
+
+"""
+pwd = "neo4j2"
+proto = "bolt"
+host = "192.168.99.101"
+
+driver = GraphDatabase.driver("%s://%s:7687" % (proto, host), auth=("neo4j", pwd), encrypted=False)
+
+def add_friend(tx, name, friend_name):
+    tx.run("MERGE (a:Person {name: $name}) "
+           "MERGE (a)-[:KNOWS]->(friend:Person {name: $friend_name})",
+           name=name, friend_name=friend_name)
+
+def print_friends(tx, name):
+    for record in tx.run("MATCH (a:Person)-[:KNOWS]->(friend) WHERE a.name = $name "
+                         "RETURN friend.name ORDER BY friend.name", name=name):
+        print(record["friend.name"])
+
+with driver.session() as session:
+    session.write_transaction(add_friend, "Arthur", "Guinevere")
+    session.write_transaction(add_friend, "Arthur", "Lancelot")
+    session.write_transaction(add_friend, "Arthur", "Merlin")
+    session.read_transaction(print_friends, "Arthur")
+
+driver.close()
+"""
+
+
+
+
+
+
+

backend/lib/logging.py

@@ -0,0 +1,68 @@
+import logging
+import os
+from datetime import datetime, date
+from lib.models import LogEntry
+
+
+
+
+class ElasticsearchLogHandler(logging.Handler):
+
+    def __init__(self, level):
+        logging.Handler.__init__(self=self)
+        #super().__init__(self=self)
+        self.setLevel(level)
+
+    def emit(self, record):
+
+        #print(str(record.__dict__), flush=True)
+
+        #{'name': 'werkzeug',
+        #  'msg': '192.168.64.1 - - [07/Sep/2024 11:43:23] "%s" %s %s', 
+        # 'args': ('GET /socket.io/?EIO=4&transport=websocket&sid=MtyTmZQs5IA6DnvhAAAA HTTP/1.1', '200', '-'), 
+        # 'levelname': 'INFO', 
+        # 'levelno': 20,
+        #  'pathname': '/usr/local/lib/python3.12/dist-packages/werkzeug/_internal.py', 
+        # 'filename': '_internal.py', 
+        # 'module': '_internal',
+        #  'exc_info': None, 
+        # 'exc_text': None, 
+        # 'stack_info': None, 
+        # 'lineno': 97, 
+        # 'funcName': '_log',
+        #  'created': 1725709403.1972203,
+        #  'msecs': 197.0, 
+        # 'relativeCreated': 37105.026721954346,
+        #  'thread': 133472930760384, 
+        # 'threadName': 'Thread-15 (process_request_thread)',
+        #  'processName': 'MainProcess',
+        #  'process': 26, 
+        # 'taskName': None}
+
+
+        entry = LogEntry(
+            message = record.msg,
+            level = record.levelname, #record.levelno,
+            creation_time = datetime.now(),
+
+            name = record.name,
+            pathname = record.pathname,
+            filename = record.filename,
+            module = record.module,
+            lineno = record.lineno,
+            funcName = record.funcName,
+            threadName = record.threadName,
+            processName = record.processName
+        )
+        entry.save()
+
+
+def get_log_level(default=logging.WARN):
+    LOG_LEVEL = os.getenv("LOG_LEVEL")
+    if LOG_LEVEL:
+        return eval("logging." + LOG_LEVEL)
+    return default
+
+
+
+

backend/lib/models.py

@@ -1,7 +1,6 @@
 import os
 from elasticsearch_dsl import Document, InnerDoc, Nested, Date, Integer, Keyword, Float, Long, Text, connections, Object, Boolean
 
-
 class User(Document):
     creation_date = Date()
     email = Keyword()
@@ -29,7 +28,6 @@ class User(Document):
         return super(User, self).save(**kwargs)
 
 
-
 class Chatbot(Document):
     creation_date = Date()
     changed_date = Date()
@@ -63,11 +61,6 @@ class Chatbot(Document):
         return super(Chatbot, self).save(**kwargs)
 
 
-
-
-
-
-
 class Text(Document):
     creation_date = Date()
     creator_id = Keyword()
@@ -84,62 +77,101 @@ class Text(Document):
         return super(Text, self).save(**kwargs)
 
 
-
-#======= Query Log ===========
-
-
-class Sources(InnerDoc):
-    score = Float()
-    #sourceFileId = Text()
-    sourceType = Text()
-    tags = Text()
-
-    #new fields
-    sourceFileId = Keyword()
-    filename = Keyword()
-    url = Keyword()
-    txt_id = Keyword()
-    page = Integer()
-
-
-
-class QueryLog(Document):
-    answer = Text()
-    question = Text()
-
-    chatbotid = Keyword()
-    durasecs = Float()
-    #inCt = Float()
-    inToks = Long()
-    llm = Text()
-    #outCt = Float()
-    outToks = Long()
-
-    #queryid = Keyword()
-    #rating = Long()
-    #reason = Text()
-    #reasontags = Text()
-    session = Keyword()
-
-    sources = Object(Sources)
-    temperature = Float()
-    #totalCt = Float()
-
-    timest = Date() #timestamp
-    date = Date() #iso date
+class Question(Document):
+    question = Text(index=False, required=True)
+    md5 = Keyword()
 
     class Index:
-        name = 'query_log'
+        name = 'question'
         settings = {
             "number_of_shards": 1,
         }
 
     def save(self, ** kwargs):
-        return super(QueryLog, self).save(**kwargs)
+        return super(Question, self).save(**kwargs)
 
 
+class Answer(Document):
+    question_id = Keyword()
+    answer = Text(index=False, required=True)
+    md5 = Keyword()
+
+    class Index:
+        name = 'answer'
+        settings = {
+            "number_of_shards": 1,
+        }
+
+    def save(self, ** kwargs):
+        return super(Answer, self).save(**kwargs)
+
+
+class LogEntry(Document):
+    message = Text(index=False, required=True)
+    level = Keyword() #Integer(required=True)
+    creation_time = Date()
+
+
+    name = Keyword()
+
+    # 'args': ('GET /socket.io/?EIO=4&transport=websocket&sid=MtyTmZQs5IA6DnvhAAAA HTTP/1.1', '200', '-'), 
+
+    pathname = Keyword()
+    #  'pathname': '/usr/local/lib/python3.12/dist-packages/werkzeug/_internal.py', 
+
+    filename = Keyword()
+    # 'filename': '_internal.py', 
+
+    module = Keyword()
+    # 'module': '_internal',
+
+    lineno = Integer(required=True)
+    # 'lineno': 97, 
+
+    funcName = Keyword()
+    # 'funcName': '_log',
+
+
+    #  'created': 1725709403.1972203,
+    #  'msecs': 197.0, 
+
+    threadName = Keyword()
+    # 'threadName': 'Thread-15 (process_request_thread)',
+
+    processName = Keyword()
+    #  'processName': 'MainProcess',
+
+
+
+
+
+    class Index:
+        name = 'logentry'
+        settings = {
+            "number_of_shards": 1,
+        }
+
+    def save(self, ** kwargs):
+        return super(LogEntry, self).save(**kwargs)
+
+
+#======= Query Log ===========
+
+
+#class Sources(InnerDoc):
+#score = Float()
+#tags = Text()
+#filename = Keyword()
+#page = Integer()
+
+
+#----------------------------------------------
 
 def init_indicies():
-    # create the mappings in elasticsearch
-    for Index in [QueryLog, Chatbot, User, Text]:
+    """
+    Create the mappings in elasticsearch
+    """
+    for Index in [LogEntry, Question, Answer, Chatbot, User, Text]:
         Index.init()
+
+

deployment/docker-compose.yml

@@ -32,6 +32,31 @@ services:
       - MINIO_DEFAULT_BUCKETS=defaultbucket
     command: server --console-address ":29001" /data
 
+  neo4j:
+    container_name: ${APP_PREFIX}_neo4j
+    image: neo4j
+    #image: neo4j:3.5
+    #image: neo4j:4.1
+    restart: unless-stopped
+    ports:
+      - 7474:7474
+      - 7687:7687
+    volumes:
+      - ./conf:/conf
+      - ./data:/data
+      - ./import:/import
+      - ./logs:/logs
+      - ./plugins:/plugins
+    environment: 
+      - NEO4J_AUTH=neo4j/your_password
+
+      # Raise memory limits
+      - NEO4J_server_memory_pagecache_size=512M
+      - NEO4J_server_memory_heap_max__size=512M
+
+      - dbms.usage_report.enabled=false
+
+
   elasticsearch:
     container_name: ${APP_PREFIX}_elasticsearch
     image: docker.elastic.co/elasticsearch/elasticsearch:8.11.0
@@ -64,6 +89,10 @@ services:
     restart: always
     ports:
       - "11434:11434"
+    environment:
+      - OLLAMA_NUM_PARALLEL=4
+      - OLLAMA_MAX_LOADED_MODELS=4
+
     volumes:
       - ..:/code
       - ../ollama/ollama:/root/.ollama
@@ -75,6 +104,12 @@ services:
       - /dev/dri
 
 
+
+
+
+
+
+
   #ollama-webui:
   #  container_name: ${APP_PREFIX}_ollama-webui
   #  image: ghcr.io/ollama-webui/ollama-webui:main

deployment/sample.env

@@ -5,6 +5,7 @@ APP_PREFIX=creative_bots
 DEFAULT_USERS=[["user@mail.net", "12345", "user"], ["admin@mail.net", "12345", "admin"]]
 
 #JWT encryption secret:
-SECRET=1234
-
+SECRET=23A344F670E
 
+#WARN INFO FATAL
+LOG_LEVEL=WARN