from datetime import datetime
from elasticsearch import Elasticsearch
# 假设Elasticsearch服务器地址为localhost:9200
es = Elasticsearch("localhost:9200")
# 创建或更新索引模板
def create_or_update_index_template(name, index_patterns, template_settings):
body = {
"index_patterns": index_patterns,
"settings": template_settings,
"mappings": {
"dynamic_templates": [
{
"strings": {
"match_mapping_type": "string",
"mapping": {
"type": "text",
"fields": {
"keyword": {
"type": "keyword",
"ignore_above": 256
}
}
}
}
}
]
}
}
es.indices.put_template(name=name, body=body, create=True)
# 创建或更新pipeline
def create_or_update_ingest_pipeline(name, pipeline_definition):
body = {
"description": "Custom pipeline for data enrichment",
"processors": pipeline_definition
}
es.ingest.put_pipeline(id=name, body=body, if_exists="update")
# 使用pipeline处理数据
def index_document_with_pipeline(index, document_id, document_data, pipeline_name):
es.index(index=index, id=document_id, body=document_data, pipeline=pipeline_name)
# 示例:使用上述函数
template_name = "data_enrichment_template"
index_pattern = "data_enrichment-*"
index_settings = {
"number_of_shards": 1,
"number_of_replicas": 0
}
create_or_update_index_template(template_name, index_pattern, index_settings)
pipeline_name = "data_enrichment_pipeline"
pipeline_definition = [
{
"set": {
"field": "timestamp",
"value": datetime.now().strftime("%Y-%m-%dT%H:%M:%S")
}
},
# 可以添加更多处理器
]
create_or_update_ingest_pipeline(pipeline_name, pipeline_definition)
index_name = "data_enrichment-2023.01.01"
document_id = "document1"
document_data = {
"content": "Sample document for data enrichment"