我有:
- 一个简单的 Python 应用程序(“iss-web”)将 JSON 日志输出写入标准输出
- Python 应用程序(“iss-web”)位于 Docker 容器中
- Python 应用程序(“iss-web”)容器日志记录驱动程序设置为“fluentd”
- 运行“fluent/fluent-bit:1.7”的单独容器来收集 Python 应用程序 JSON 日志输出
- Loki 2.2.1 通过容器部署以接收来自 fluent-bit 的 Python 应用程序日志输出
- Grafana 连接到 Loki 以可视化日志数据
问题是“日志”字段没有被 fluent-bit 过滤/解析,因此在 Loki/Grafana 中,“日志”字段的内容没有被解析并用作“检测到的字段”。
“iss-web” docker-compose.yml
version: '3'
services:
iss-web:
build: ./iss-web
image: iss-web
container_name: iss-web
env_file:
- ./iss-web/app.env
ports:
- 46664:46664
logging:
driver: fluentd
options:
tag: iss.web
redis:
image: redis
container_name: redis
ports:
- 6379:6379
logging:
driver: "json-file"
options:
max-file: ${LOG_EXPIRE}
max-size: ${LOG_SEGMENT}
“流利位” docker-compose.yml
version: '3'
services:
fluent-bit:
image: fluent/fluent-bit:1.7
container_name: fluent-bit
environment:
- LOKI_URL=http://135.86.186.75:3100/loki/api/v1/push
user: root
volumes:
- ./fluent-bit.conf:/fluent-bit/etc/fluent-bit.conf
- ./parsers.conf:/fluent-bit/etc/parsers.conf
ports:
- "24224:24224"
- "24224:24224/udp"
流利的bit.conf
[SERVICE]
Flush 1
Daemon Off
log_level debug
Parsers_File /fluent-bit/etc/parsers.conf
[INPUT]
Name forward
Listen 0.0.0.0
port 24224
[FILTER]
Name parser
Match iss.web
Key_Name log
Parser docker
Reserve_Data On
Preserve_Key On
[OUTPUT]
Name loki
Match *
host 135.86.186.75
port 3100
labels job=fluentbit
[OUTPUT]
Name stdout
Match *
解析器配置文件
我试过带/不带 Time_Key、Time_Format、Time_Keep
[PARSER]
Name docker
Format json
#Time_Key time
#Time_Format %Y-%m-%dT%H:%M:%S.%L
#Time_Keep On
# Command | Decoder | Field | Optional Action
# =============|==================|=================
#Decode_Field_As escaped_utf8 log do_next
Decode_Field_As json log
流利的位日志提取
[0] iss.web: [1620640820.000000000, {"log"=>"{'timestamp': '2021:05:10 11:00:20.439513', 'epoch': 1620640820.4395688, 'pid': 1, 'level' : 'DEBUG', 'message': '/ping', 'data': {'message': 'PONG', 'timestamp': '1620640820.4394963', 'version': '0.1'}}", "container_id"= >"bffd720e9ac1e8c3992c1120eed37e00c536cd44ec99e9c13cf690d840363f80", "container_name"=>"/iss-web", "source"=>"stdout"}]