渲染错误: Mermaid 渲染失败: Parse error on line 2: ... LR A[可观测系统
(Prometheus/Grafana/ ----------------------^ Expecting 'SQE', 'DOUBLECIRCLEEND', 'PE', '-)', 'STADIUMEND', 'SUBROUTINEEND', 'PIPE', 'CYLINDEREND', 'DIAMOND_STOP', 'TAGEND', 'TRAPEND', 'INVTRAPEND', 'UNICODE_TEXT', 'TEXT', 'TAGSTART', got 'PS'

渲染错误: Mermaid 渲染失败: Parsing failed: Lexer error on line 2, column 11: unexpected character: ->应<- at offset: 28, skipped 3 characters. Lexer error on line 2, column 21: unexpected character: ->[<- at offset: 38, skipped 5 characters. Lexer error on line 3, column 17: unexpected character: ->故<- at offset: 60, skipped 4 characters. Lexer error on line 3, column 34: unexpected character: ->[<- at offset: 77, skipped 6 characters. Lexer error on line 4, column 17: unexpected character: ->变<- at offset: 100, skipped 4 characters. Lexer error on line 4, column 34: unexpected character: ->[<- at offset: 117, skipped 6 characters. Lexer error on line 5, column 17: unexpected character: ->成<- at offset: 140, skipped 4 characters. Lexer error on line 5, column 34: unexpected character: ->[<- at offset: 157, skipped 6 characters. Lexer error on line 6, column 17: unexpected character: ->混<- at offset: 180, skipped 4 characters. Lexer error on line 6, column 34: unexpected character: ->[<- at offset: 197, skipped 6 characters. Lexer error on line 7, column 17: unexpected character: ->日<- at offset: 220, skipped 4 characters. Lexer error on line 7, column 34: unexpected character: ->[<- at offset: 237, skipped 6 characters. Lexer error on line 9, column 11: unexpected character: ->平<- at offset: 259, skipped 3 characters. Lexer error on line 9, column 21: unexpected character: ->[<- at offset: 269, skipped 5 characters. Lexer error on line 10, column 38: unexpected character: ->[<- at offset: 312, skipped 1 characters. Lexer error on line 10, column 47: unexpected character: ->引<- at offset: 321, skipped 3 characters. Lexer error on line 11, column 37: unexpected character: ->[<- at offset: 361, skipped 1 characters. Lexer error on line 11, column 45: unexpected character: ->编<- at offset: 369, skipped 5 characters. Lexer error on line 12, column 17: unexpected character: ->权<- at offset: 391, skipped 4 characters. Lexer error on line 12, column 34: unexpected character: ->[<- at offset: 408, skipped 8 characters. Lexer error on line 13, column 17: unexpected character: ->审<- at offset: 433, skipped 4 characters. Lexer error on line 13, column 34: unexpected character: ->[<- at offset: 450, skipped 6 characters. Lexer error on line 15, column 11: unexpected character: ->数<- at offset: 472, skipped 3 characters. Lexer error on line 15, column 24: unexpected character: ->[<- at offset: 485, skipped 5 characters. Lexer error on line 16, column 17: unexpected character: ->可<- at offset: 507, skipped 4 characters. Lexer error on line 16, column 31: unexpected character: ->[<- at offset: 521, skipped 8 characters. Lexer error on line 17, column 17: unexpected character: ->知<- at offset: 546, skipped 3 characters. Lexer error on line 17, column 30: unexpected character: ->[<- at offset: 559, skipped 7 characters. Lexer error on line 18, column 17: unexpected character: ->故<- at offset: 583, skipped 3 characters. Lexer error on line 18, column 30: unexpected character: ->[<- at offset: 596, skipped 7 characters. Lexer error on line 19, column 17: unexpected character: ->审<- at offset: 620, skipped 3 characters. Lexer error on line 19, column 30: unexpected character: ->[<- at offset: 633, skipped 7 characters. Lexer error on line 21, column 11: unexpected character: ->边<- at offset: 656, skipped 3 characters. Lexer error on line 21, column 22: unexpected character: ->[<- at offset: 667, skipped 5 characters. Lexer error on line 22, column 17: unexpected character: ->云<- at offset: 689, skipped 3 characters. Lexer error on line 22, column 28: unexpected character: ->[<- at offset: 700, skipped 9 characters. Lexer error on line 23, column 28: unexpected character: ->[<- at offset: 737, skipped 1 characters. Lexer error on line 23, column 32: unexpected character: ->集<- at offset: 741, skipped 3 characters. Lexer error on line 24, column 17: unexpected character: ->物<- at offset: 761, skipped 3 characters. Lexer error on line 24, column 28: unexpected character: ->[<- at offset: 772, skipped 9 characters. Lexer error on line 25, column 17: unexpected character: ->中<- at offset: 798, skipped 3 characters. Lexer error on line 25, column 28: unexpected character: ->[<- at offset: 809, skipped 9 characters. Lexer error on line 26, column 17: unexpected character: ->应<- at offset: 835, skipped 2 characters. Lexer error on line 26, column 27: unexpected character: ->[<- at offset: 845, skipped 6 characters. Lexer error on line 27, column 5: unexpected character: ->/<- at offset: 856, skipped 2 characters. Lexer error on line 27, column 8: unexpected character: ->关<- at offset: 859, skipped 4 characters. Lexer error on line 28, column 5: unexpected character: ->故<- at offset: 868, skipped 4 characters. Lexer error on line 29, column 5: unexpected character: ->变<- at offset: 890, skipped 4 characters. Lexer error on line 30, column 5: unexpected character: ->成<- at offset: 912, skipped 4 characters. Lexer error on line 32, column 17: unexpected character: ->权<- at offset: 971, skipped 4 characters. Lexer error on line 33, column 17: unexpected character: ->审<- at offset: 992, skipped 4 characters. Lexer error on line 34, column 18: unexpected character: ->知<- at offset: 1014, skipped 3 characters. Lexer error on line 35, column 18: unexpected character: ->故<- at offset: 1035, skipped 3 characters. Lexer error on line 36, column 18: unexpected character: ->可<- at offset: 1056, skipped 4 characters. Lexer error on line 37, column 17: unexpected character: ->云<- at offset: 1077, skipped 3 characters. Lexer error on line 39, column 17: unexpected character: ->物<- at offset: 1117, skipped 3 characters. Lexer error on line 40, column 17: unexpected character: ->中<- at offset: 1137, skipped 3 characters. Lexer error on line 41, column 5: unexpected character: ->审<- at offset: 1145, skipped 4 characters. Lexer error on line 41, column 14: unexpected character: ->审<- at offset: 1154, skipped 3 characters. Parse error on line 2, column 14: Expecting token of type 'ID' but found `(cloud)`. Parse error on line 3, column 21: Expecting token of type 'ID' but found `(application)`. Parse error on line 4, column 21: Expecting token of type 'ID' but found `(application)`. Parse error on line 5, column 21: Expecting token of type 'ID' but found `(application)`. Parse error on line 6, column 21: Expecting token of type 'ID' but found `(application)`. Parse error on line 7, column 21: Expecting token of type 'ID' but found `(application)`. Parse error on line 9, column 14: Expecting token of type 'ID' but found `(cloud)`. Parse error on line 10, column 39: Expecting: one of these possible Token sequences: 1. [NEWLINE] 2. [EOF] but found: 'AI' Parse error on line 10, column 42: Expecting token of type ':' but found `Agent`. Parse error on line 11, column 38: Expecting: one of these possible Token sequences: 1. [NEWLINE] 2. [EOF] but found: 'Harness' Parse error on line 11, column 50: Expecting token of type ':' but found ` `. Parse error on line 12, column 21: Expecting token of type 'ID' but found `(application)`. Parse error on line 13, column 21: Expecting token of type 'ID' but found `(application)`. Parse error on line 15, column 14: Expecting token of type 'ID' but found `(database)`. Parse error on line 16, column 21: Expecting token of type 'ID' but found `(database)`. Parse error on line 17, column 20: Expecting token of type 'ID' but found `(database)`. Parse error on line 18, column 20: Expecting token of type 'ID' but found `(database)`. Parse error on line 19, column 20: Expecting token of type 'ID' but found `(database)`. Parse error on line 21, column 14: Expecting token of type 'ID' but found `(server)`. Parse error on line 22, column 20: Expecting token of type 'ID' but found `(server)`. Parse error on line 23, column 29: Expecting: one of these possible Token sequences: 1. [NEWLINE] 2. [EOF] but found: 'K8s' Parse error on line 23, column 35: Expecting token of type ':' but found ` `. Parse error on line 24, column 20: Expecting token of type 'ID' but found `(server)`. Parse error on line 25, column 20: Expecting token of type 'ID' but found `(server)`. Parse error on line 26, column 19: Expecting token of type 'ID' but found `(server)`. Parse error on line 28, column 10: Expecting token of type 'EOF' but found `--`. Parse error on line 28, column 22: Expecting token of type ':' but found ` `. Parse error on line 29, column 10: Expecting token of type 'EOF' but found `--`. Parse error on line 29, column 22: Expecting token of type ':' but found ` `. Parse error on line 30, column 10: Expecting token of type 'EOF' but found `--`. Parse error on line 30, column 22: Expecting token of type ':' but found ` `. Parse error on line 31, column 14: Expecting token of type ':' but found `--`. Parse error on line 31, column 18: Expecting token of type 'ARROW_DIRECTION' but found `harness`. Parse error on line 32, column 13: Expecting token of type ':' but found `--`. Parse error on line 32, column 21: Expecting token of type 'ARROW_DIRECTION' but found ` `. Parse error on line 33, column 13: Expecting token of type ':' but found `--`. Parse error on line 33, column 21: Expecting token of type 'ARROW_DIRECTION' but found ` `. Parse error on line 34, column 14: Expecting token of type ':' but found `--`. Parse error on line 34, column 21: Expecting token of type 'ARROW_DIRECTION' but found ` `. Parse error on line 35, column 14: Expecting token of type ':' but found `--`. Parse error on line 35, column 21: Expecting token of type 'ARROW_DIRECTION' but found ` `. Parse error on line 36, column 14: Expecting token of type ':' but found `--`. Parse error on line 36, column 22: Expecting token of type 'ARROW_DIRECTION' but found ` `. Parse error on line 37, column 13: Expecting token of type ':' but found `--`. Parse error on line 37, column 20: Expecting token of type 'ARROW_DIRECTION' but found ` `. Parse error on line 38, column 13: Expecting token of type ':' but found `--`. Parse error on line 38, column 17: Expecting token of type 'ARROW_DIRECTION' but found `k8s`. Parse error on line 39, column 13: Expecting token of type ':' but found `--`. Parse error on line 39, column 20: Expecting token of type 'ARROW_DIRECTION' but found ` `. Parse error on line 40, column 13: Expecting token of type ':' but found `--`. Parse error on line 40, column 20: Expecting token of type 'ARROW_DIRECTION' but found ` `. Parse error on line 41, column 10: Expecting token of type 'EOF' but found `--`.

git clone https://github.com/harness/harness-cd-community.git
cd harness-cd-community/docker-compose

docker-compose up -d

# 导入依赖
import os
import numpy as np
from langchain_openai import ChatOpenAI
from langchain.agents import AgentExecutor, create_openai_tools_agent
from langchain_core.prompts import ChatPromptTemplate
from langchain_core.tools import tool
from langchain_community.vectorstores import Milvus
from langchain_openai import OpenAIEmbeddings
import requests
# 配置参数
os.environ["OPENAI_API_KEY"] = "你的大模型API_KEY"
HARNESS_API_KEY = "你的Harness API_KEY"
HARNESS_ACCOUNT_ID = "你的Harness账号ID"
MILVUS_HOST = "你的Milvus地址"
MILVUS_PORT = 19530
# 初始化大模型
llm = ChatOpenAI(model="gpt-4o", temperature=0)
# 初始化向量数据库
embeddings = OpenAIEmbeddings()
knowledge_base = Milvus(
    embedding_function=embeddings,
    connection_args={"host": MILVUS_HOST, "port": MILVUS_PORT},
    collection_name="ops_knowledge_base"
)
# 定义工具函数
@tool
def search_knowledge_base(query: str) -> str:
    """查询运维知识库，获取故障处理SOP和历史案例"""
    docs = knowledge_base.similarity_search(query, k=3)
    return "\n".join([doc.page_content for doc in docs])
@tool
def trigger_harness_pipeline(pipeline_id: str, params: dict) -> str:
    """调用Harness执行流水线，参数为流水线ID和参数字典"""
    url = f"https://app.harness.io/gateway/pipeline/api/pipeline/execute/{pipeline_id}?accountIdentifier={HARNESS_ACCOUNT_ID}"
    headers = {
        "x-api-key": HARNESS_API_KEY,
        "Content-Type": "application/json"
    }
    payload = {
        "inputSet": {
            "identifiers": ["default"],
            "inputs": params
        }
    }
    response = requests.post(url, json=payload, headers=headers)
    if response.status_code == 200:
        return f"流水线触发成功，执行ID：{response.json()['data']['planExecutionId']}"
    else:
        return f"流水线触发失败：{response.text}"
@tool
def calculate_confidence(similarity: float, rule_match: bool, history_accuracy: float) -> float:
    """计算决策置信度，参数为历史案例相似度、是否匹配知识库规则、历史准确率"""
    alpha, beta, gamma = 0.4, 0.3, 0.3
    confidence = alpha * similarity + beta * (1 if rule_match else 0) + gamma * history_accuracy
    return round(confidence, 2)
# 定义Agent提示词
prompt = ChatPromptTemplate.from_messages([
    ("system", "你是一个资深运维专家，负责处理线上告警。你需要：1. 分析告警内容，定位根因；2. 查询知识库获取处理方案；3. 计算决策置信度；4. 置信度≥0.9则调用Harness流水线执行，0.6-0.9提醒人工审核，<0.6转人工处理。所有操作必须留痕。"),
    ("user", "收到告警：{input}"),
    ("agent_scratchpad", "{agent_scratchpad}")
])
# 创建Agent
tools = [search_knowledge_base, trigger_harness_pipeline, calculate_confidence]
agent = create_openai_tools_agent(llm, tools, prompt)
agent_executor = AgentExecutor(agent=agent, tools=tools, verbose=True)
# 测试告警处理
if __name__ == "__main__":
    alert = "告警ID：1234，告警内容：支付服务Pod CrashLoopBackOff，关联集群：prod-k8s，命名空间：payment，Pod名称：payment-service-7f98d7c6b4-2xqzk，日志显示：OutOfMemoryError"
    result = agent_executor.invoke({"input": alert})
    print("处理结果：", result["output"])