112 lines
3.0 KiB
Markdown
112 lines
3.0 KiB
Markdown
|
---
|
||
|
|
title: cUrl_commands
|
||
|
|
updated: 2021-05-04 14:58:11Z
|
||
|
|
created: 2021-05-04 14:58:11Z
|
||
|
|
---
|
||
|
|
|
||
|
|
# cUrl commands
|
||
|
|
```bash
|
||
|
|
curl -X<VERB> '<PROTOCOL>://<HOST>:<PORT>/<PATH>?<QUERY_STRING>' -d '<BODY>'
|
||
|
|
```
|
||
|
|
|
||
|
|
| Variables | Description |
|
||
|
|
|:------------- | :-------------|
|
||
|
|
| VERB | The appropriate HTTP method or verb. For example, GET, POST, PUT, HEAD, or DELETE |
|
||
|
|
| PROTOCOL | Either http or https. Use the latter if you have an HTTPS proxy in front of Elasticsearch or you use Elasticsearch security features to encrypt HTTP communications |
|
||
|
|
| HOST | The hostname of any node in your Elasticsearch cluster. Alternatively, use localhost for a node on your local machine |
|
||
|
|
| PORT | The port running the Elasticsearch HTTP service, which defaults to 9200 |
|
||
|
|
| PATH | The API endpoint, which can contain multiple components, such as _cluster/stats or _nodes/stats/jvm |
|
||
|
|
| QUERY_STRING | Any optional query-string parameters. For example, ?pretty will pretty-print the JSON response to make it easier to read |
|
||
|
|
| BODY | A JSON-encoded request body (if necessary) |
|
||
|
|
|
||
|
|
|
||
|
|
```bash
|
||
|
|
curl -H "Content-Type: application/json" -XPOST "localhost:9200/bank/_bulk?pretty&refresh" --data-binary "@accounts.json"
|
||
|
|
```
|
||
|
|
|
||
|
|
```bash
|
||
|
|
curl "localhost:9200/_cat/indices?v"
|
||
|
|
```
|
||
|
|
|
||
|
|
## Test connection and ES correctly running
|
||
|
|
```bash
|
||
|
|
curl -I -XHEAD localhost:9200
|
||
|
|
```
|
||
|
|
|
||
|
|
## Create Index
|
||
|
|
```bash
|
||
|
|
curl -X PUT http://localhost:9200/indexName
|
||
|
|
```
|
||
|
|
|
||
|
|
## Delete Index
|
||
|
|
``` bash
|
||
|
|
curl -X DELETE 'http://localhost:9200/indexName'
|
||
|
|
```
|
||
|
|
|
||
|
|
## List all indexes
|
||
|
|
``` bash
|
||
|
|
curl -X GET 'http://localhost:9200/_cat/indices?v'
|
||
|
|
```
|
||
|
|
|
||
|
|
|
||
|
|
## query using URL parameters
|
||
|
|
### Lucene syntax
|
||
|
|
```bash
|
||
|
|
curl -X GET http://localhost:9200/IndexName/_search?q=school:Harvard
|
||
|
|
```
|
||
|
|
|
||
|
|
## Query using JSON
|
||
|
|
### ElasticSearch DSL syntax
|
||
|
|
```bash
|
||
|
|
curl -XGET --header 'Content-Type: application/json' http://localhost:9200/indexName/_search -d '{
|
||
|
|
"query" : {
|
||
|
|
"match" : { "school": "Harvard" }
|
||
|
|
}
|
||
|
|
}'
|
||
|
|
|
||
|
|
Lookup on index id
|
||
|
|
```bash
|
||
|
|
curl -XGET --header 'Content-Type: application/json' http://localhost:9200/indexName/_search -d '{
|
||
|
|
"query" : {
|
||
|
|
"match" : { "_id": "37" }
|
||
|
|
}
|
||
|
|
}'
|
||
|
|
```
|
||
|
|
|
||
|
|
## List index mapping
|
||
|
|
### aka schema; fieldnames and their type
|
||
|
|
```bash
|
||
|
|
curl -X GET http://localhost:9200/indexName
|
||
|
|
```
|
||
|
|
|
||
|
|
## Add data
|
||
|
|
### indeName and doc# = 1
|
||
|
|
curl -XPUT --header 'Content-Type: application/json' http://localhost:9200/indexName/_doc/1 -d '{
|
||
|
|
"school" : "Harvard"
|
||
|
|
}'
|
||
|
|
|
||
|
|
|
||
|
|
## Update a document
|
||
|
|
## In this example create first a doc and then update the document
|
||
|
|
```bash
|
||
|
|
curl -XPUT --header 'Content-Type: application/json' http://localhost:9200/indexName/_doc/2 -d '
|
||
|
|
{
|
||
|
|
"school": "Clemson"
|
||
|
|
}'
|
||
|
|
|
||
|
|
curl -XPOST --header 'Content-Type: application/json' http://localhost:9200/indexName/_doc/2/_update -d '{
|
||
|
|
"doc" : {
|
||
|
|
"students": 50000}
|
||
|
|
}'
|
||
|
|
```
|
||
|
|
|
||
|
|
### load a dataset
|
||
|
|
```bash
|
||
|
|
curl -u elastic -H 'Content-Type: application/x-ndjson' -XPOST '<host>:<port>/bank/_bulk?pretty' --data-binary @accounts.json
|
||
|
|
```
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
[Source 1](https://www.bmc.com/blogs/elasticsearch-commands/)
|
||
|
|
|