Repository: LisaHJung/Part-1-Intro-to-Elasticsearch-and-Kibana
Branch: main
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Directory structure:
gitextract_hqt0xl3e/
├── README.md
├── docker-compose-directions.md
└── docker-compose.yml
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FILE: README.md
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# Beginner's Crash Course to Elastic Stack Series
## Part 1: Intro to Elasticsearch & Kibana
Welcome to the Beginner's Crash Course to Elastic Stack!
This repo contains all resources shared during workshop Part 1: Intro to Elasticsearch and Kibana.
By the end of this workshop, you will be able to:
- understand a use case of Elasticsearch and Kibana
- understand the basic architecture of Elasticsearch
- perform CRUD(Create, Read, Update, and Delete) operations with Elasticsearch and Kibana
## Resources
[Beginner's Crash Course to Elastic Stack Table of Contents](https://github.com/LisaHJung/Beginners-Crash-Course-to-the-Elastic-Stack-Series)
This workshop is a part of the Beginner's Crash Course to Elastic Stack series. Check out this table contents to access all the workshops in the series thus far. This table will continue to get updated as more workshops in the series are released!
[Free Elastic Cloud Trial](https://www.elastic.co/cloud/cloud-trial-overview/30-days?ultron=community-beginners-crash-course-May2022+&hulk=30d)
[Instructions](https://dev.to/lisahjung/beginner-s-guide-to-setting-up-elasticsearch-and-kibana-with-elastic-cloud-1joh) on how to access Elasticsearch and Kibana on Elastic Cloud
[Instructions](https://dev.to/elastic/downloading-elasticsearch-and-kibana-macos-linux-and-windows-1mmo) for downloading Elasticsearch and Kibana
[Alternative installation using Docker](https://github.com/LisaHJung/Part-1-Intro-to-Elasticsearch-and-Kibana/blob/main/docker-compose.yml)
One of our AMAZING community member @h3ct0rjs has shared how you can run Elasticsearch and Kibana using Docker! Refer to this [link](https://github.com/LisaHJung/Part-1-Intro-to-Elasticsearch-and-Kibana/blob/main/docker-compose-directions.md) for his awesome step by step directions. Thank you so much @h3ct0rjs!!
[Presentation](https://github.com/LisaHJung/Part-1-Intro-to-Elasticsearch-and-Kibana/blob/main/Intro%20to%20Elasticsearch%20and%20Kibana.pdf)
[Video recording](https://www.youtube.com/watch?v=gS_nHTWZEJ8&t=8s) of the workshop
[Mini Beginner's Crash Course to Elasticsearch & Kibana playlist](https://ela.st/mini-beginners-crash-course)
Do you prefer learning by watching shorter videos? Check out this playlist to watch short clips of beginner's crash course full length workshops. Part 1 workshop is broken down into episodes 1-6. Season 2 clips will be uploaded here in the future!
[Blog](https://dev.to/lisahjung/beginner-s-guide-to-elasticsearch-4j2k) Beginner's guide to Elasticsearch
[Blog](https://dev.to/lisahjung/beginner-s-guide-to-performing-crud-operations-with-elasticsearch-kibana-1h0n) Beginner's guide to performing CRUD operations with Elasticsearch and Kibana
[Elastic America Virtual Chapter](https://community.elastic.co/amer-virtual/) Want to attend live workshops? Join the Elastic America Virtual Chapter to get the deets!
[What's next?](https://github.com/LisaHJung/Part-2-Understanding-the-relevance-of-your-search-with-Elasticsearch-and-Kibana-) Eager to continue your learning after mastering the concept from this workshop? Move on to Part 2: Understanding the relevance of your search with Elasticsearch and Kibana [here](https://github.com/LisaHJung/Part-2-Understanding-the-relevance-of-your-search-with-Elasticsearch-and-Kibana-)!
## Getting information about cluster and nodes
Syntax:
```
GET _API/parameter
```
### Get info about cluster health
```
GET _cluster/health
```
Expected response from Elasticsearch:
### Get info about nodes in a cluster
```
GET _nodes/stats
```
Expected response from Elasticsearch:
## Performing CRUD operations
## C - Create
### Create an index
Syntax:
```
PUT Name-of-the-Index
```
Example:
```
PUT favorite_candy
```
Expected response from Elasticsearch:
#### Index a document
When indexing a document, both HTTP verbs `POST` or `PUT` can be used.
1) Use POST when you want Elasticsearch to autogenerate an id for your document.
Syntax:
```
POST Name-of-the-Index/_doc
{
"field": "value"
}
````
Example:
```
POST favorite_candy/_doc
{
"first_name": "Lisa",
"candy": "Sour Skittles"
}
```
Expected response from Elasticsearch:
2) Use PUT when you want to assign a specific id to your document(i.e. if your document has a natural identifier - purchase order number, patient id, & etc).
For more detailed explanation, check out this [documentation](https://www.elastic.co/guide/en/elasticsearch/guide/current/index-doc.html) from Elastic!
Syntax:
```
PUT Name-of-the-Index/_doc/id-you-want-to-assign-to-this-document
{
"field": "value"
}
```
Example:
```
PUT favorite_candy/_doc/1
{
"first_name": "John",
"candy": "Starburst"
}
```
### _create Endpoint
When you index a document using an id that already exists, the existing document is overwritten by the new document.
If you do not want a existing document to be overwritten, you can use the _create endpoint!
With the _create Endpoint, no indexing will occur and you will get a 409 error message.
Syntax:
```
PUT Name-of-the-Index/_create/id-you-want-to-assign-to-this-document
{
"field": "value"
}
```
Example:
```
PUT favorite_candy/_create/1
{
"first_name": "Finn",
"candy": "Jolly Ranchers"
}
```
Expected response from Elasticsearch:
## R - READ
### Read a document
Syntax:
```
GET Name-of-the-Index/_doc/id-of-the-document-you-want-to-retrieve
```
Example:
```
GET favorite_candy/_doc/1
```
Expected response from Elasticsearch:
## U - UPDATE
### Update a document
If you want to update fields in a document, use the following syntax:
```
POST Name-of-the-Index/_update/id-of-the-document-you-want-to-update
{
"doc": {
"field1": "value",
"field2": "value",
}
}
```
Example:
```
POST favorite_candy/_update/1
{
"doc": {
"candy": "M&M's"
}
}
```
Expected response from Elasticsearch:
## D- DELETE
### Delete a document
Syntax:
```
DELETE Name-of-the-Index/_doc/id-of-the-document-you-want-to-delete
```
Example:
```
DELETE favorite_candy/_doc/1
```
Expected response from Elasticsearch:
## Take Home Assignment
1. Create an index called `destinations`.
2. Pick five dream travel destinations. For each destination, index a document containing the name and the country.
3. Read(GET) each document to check the content of the document.
4. Update a field of a document.
5. Read(GET) the updated document to ensure that the field has been updated.
6. Delete a document of one place.
7. Copy and paste the following request to return all documents from the `destinations` index.
This is a great way to check whether all the CRUD operations you have performed thus far have worked!
```
GET destinations/_search
{
"query": {
"match_all": {}
}
}
```
================================================
FILE: docker-compose-directions.md
================================================
Related Resource
- [docker-compose.yml](https://github.com/LisaHJung/Part-1-Intro-to-Elasticsearch-and-Kibana/blob/main/docker-compose.yml)
For this Beginner's Crash Course, you can also use Docker to run Elasticsearch and Kibana this is not showed in the youtube video but it is optional and another popular way to install the software. You're going to find a docker-compose file that is going to deploy and install both Docker images using the following version.
- elasticsearch:7.11.1
- kibana:7.11.1
In order to be able to run this, you will need to have installed:
- [Docker](https://docs.docker.com/desktop/linux/) or [Docker Desktop](https://docs.docker.com/desktop/).
- [Docker Compose](https://docs.docker.com/compose/).
Install Elasticsearch and Kibana by using the following command:
```sh
docker-compose up -d
```
The previous command is going to spin up two docker containers that will be in the same Docker network and in detached mode. With this, you will be able to open the following urls :
* http://localhost:5601/ - Kibana Web UI interface
* http://localhost:9200/ - Elastic Search API
If you want to check the logs :
```sh
docker-compose logs elasticsearch
```
for Kibana :
```sh
docker-compose logs kibana
```
If you want to stop Elasticsearch and Kibana, you will need to run the following command :
```sh
docker-compose stop
```
If you want to stop and destroy the docker services :
```sh
docker-compose down
```
================================================
FILE: docker-compose.yml
================================================
services:
elasticsearch:
image: docker.elastic.co/elasticsearch/elasticsearch:7.11.1
container_name: elasticsearch
#build: .
ports:
- '9200:9200'
- '9300:9300'
environment:
discovery.type: single-node
ES_JAVA_OPTS: -Xmx512m -Xms512m
node.name: es01
cluster.name: elasticsearch
volumes:
- ./elastic/data:/usr/share/elasticsearch/data
networks:
- elasticnet
kibana:
image: docker.elastic.co/kibana/kibana:7.11.1
container_name: kibana
ports:
- '5601:5601'
- '9600:9600'
environment:
SERVERNAME: kibana
ELASTICSEARCH_HOSTS: http://elasticsearch:9200
ES_JAVA_OPTS: -Xmx512m -Xms512m
networks:
- elasticnet
depends_on:
- elasticsearch
volumes:
logvolume01: {}
networks:
elasticnet: {}
gitextract_hqt0xl3e/ ├── README.md ├── docker-compose-directions.md └── docker-compose.yml
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