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+# CEC框架中的API使用方法demo
+
+## 配置部分
+
+```yaml
+vars:
+  SERVICE_NAME: &SERVICE_NAME sysom_config_trace
+  SERVICE_CONSUMER_GROUP:
+    !concat &SERVICE_CONSUMER_GROUP [*SERVICE_NAME, "_consumer_group"]
+
+sysom_server:
+  cec:
+    consumer_group: *SERVICE_CONSUMER_GROUP
+  channel_job:
+    target_topic: SYSOM_CEC_CHANNEL_TOPIC
+    listen_topic: SYSOM_CEC_CHANNEL_CONFIGTRACE_TOPIC
+    consumer_group: *SERVICE_CONSUMER_GROUP
+
+sysom_service:
+  service_name: *SERVICE_NAME
+  service_dir: *SERVICE_NAME
+  config_path: config_trace.conf
+
+```
+
+```python
+from clogger import logger
+import os
+from pathlib import Path
+from sysom_utils import ConfigParser, CecTarget, SysomFramework
+
+BASE_DIR = Path(__file__).resolve().parent.parent.parent
+
+##################################################################
+# Load yaml config first
+##################################################################
+YAML_GLOBAL_CONFIG_PATH = f"{BASE_DIR.parent.parent}/conf/config.yml"
+
+if not os.path.exists(YAML_GLOBAL_CONFIG_PATH):
+    YAML_GLOBAL_CONFIG_PATH = f"/etc/sysom/config.yml"
+    
+YAML_SERVICE_CONFIG_PATH = f"{BASE_DIR}/config.yml"
+
+YAML_CONFIG = ConfigParser(YAML_GLOBAL_CONFIG_PATH, YAML_SERVICE_CONFIG_PATH)
+##################################################################
+# Cec settings
+##################################################################
+SYSOM_CEC_PRODUCER_URL = YAML_CONFIG.get_cec_url(CecTarget.PRODUCER)
+# 配置管理模块消费组
+SYSOM_CEC_CONFIGTRACE_CONSUMER_GROUP = "sysom_configtrace_consumer_group"
+# 配置管理任务下发主题（由 View -> Executor）
+SYSOM_CEC_CONFIGTRACE_TASK_DISPATCH_TOPIC = "SYSOM_CEC_CONFIGTRACE_TASK_DISPATCH_TOPIC"
+
+# channl_job SDK 需要的url
+CHANNEL_JOB_URL = YAML_CONFIG.get_local_channel_job_url()
+
+##################################################################
+# GClient Config
+##################################################################
+GCLIENT_PROTO = 'http'
+GCLIENT_HOST = '127.0.0.1'
+GCLIENT_PORT = '7003'
+
+##########################################################################################
+# Web Config
+##########################################################################################
+
+SysomFramework.init(YAML_CONFIG)
+
+```
+
+## 执行命令
+```python
+from channel_job import default_channel_job_executor
+job = default_channel_job_executor.dispatch_job(
+    channel_type="ssh",
+    channel_opt="cmd",
+    params={
+        "instance": "1.2.3.4",
+        "command": "ls ."
+    },
+    timeout=10000,
+    auto_retry=False
+)
+channel_result = job.execute()
+return channel_result.code
+```
+## 传输文件
+
+```python
+from channel_job import default_channel_job_executor
+job = default_channel_job_executor.dispatch_job(
+    params={
+        "local_path": lpath,
+        "remote_path": rpath,
+        "instances": "1.2.3.4"
+    },
+    opt="send-file",
+    timeout=10000,
+    auto_retry=False
+)
+channel_result = job.execute()
+return channel_result.code
+```
+
+```python
+from channel_job import default_channel_job_executor
+job = default_channel_job_executor.dispatch_file_job(
+        params={
+            "local_path": lpath,
+            "remote_path": rpath,
+            "instance": ip
+        },
+        opt="get-file"
+    )
+channel_result = job.execute()
+return channel_result.code
+```
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