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https://github.com/Ealenn/Echo-Server

REST Server Tests (Echo-Server) API / Docker / Kubernetes / Helm
https://github.com/Ealenn/Echo-Server
dev-tools devops-tools docker echo echo-server helm helm-charts kubernetes nodejs rest-api server testing
Last synced: 8 days ago
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REST Server Tests (Echo-Server) API / Docker / Kubernetes / Helm
Host: GitHub
URL: https://github.com/Ealenn/Echo-Server
Owner: Ealenn
License: gpl-3.0
Created: 2019-11-20T13:18:59.000Z (almost 5 years ago)
Default Branch: master
Last Pushed: 2024-10-29T18:54:11.000Z (11 days ago)
Last Synced: 2024-10-29T20:45:31.988Z (11 days ago)
Topics: dev-tools, devops-tools, docker, echo, echo-server, helm, helm-charts, kubernetes, nodejs, rest-api, server, testing
Language: JavaScript
Homepage: https://ealenn.github.io/Echo-Server
Size: 843 KB
Stars: 262
Watchers: 4
Forks: 52
Open Issues: 25
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE.txt
Awesome Lists containing this project

awesome-ops - Ealenn/Echo-Server - 3.0|257|2019-11-20|2024-09-27 | 一个简便的请求调试工具。通过请求参数，配置返回的内容。 | (Dev-Tools)
README

        # Echo-Server / Docker / Kubernetes / Helm

[![Codecov](https://img.shields.io/codecov/c/github/ealenn/echo-server?style=for-the-badge&logo=codecov)](https://codecov.io/gh/Ealenn/Echo-Server)

[![CodeFactor Grade](https://img.shields.io/codefactor/grade/github/ealenn/echo-server?style=for-the-badge)](https://www.codefactor.io/repository/github/ealenn/echo-server)

[![GitHub stars](https://img.shields.io/github/stars/Ealenn/Echo-Server?style=for-the-badge&logo=github)](https://github.com/Ealenn/Echo-Server/stargazers)

[![GitHub issues](https://img.shields.io/github/issues/Ealenn/Echo-Server?style=for-the-badge&logo=github)](https://github.com/Ealenn/Echo-Server/issues)

[![DockerHub](https://img.shields.io/docker/pulls/ealen/echo-server.svg?style=for-the-badge&logo=docker)](https://hub.docker.com/repository/docker/ealen/echo-server)

[![DockerHub](https://img.shields.io/badge/SIZE-%3C%2030%20MB-1488C6?style=for-the-badge&logo=docker)](https://hub.docker.com/repository/docker/ealen/echo-server)

> Read the docs : [https://ealenn.github.io/Echo-Server](https://ealenn.github.io/Echo-Server)

An echo server is a server that replicates the request sent by the client and sends it back.

Available:

![](https://img.shields.io/badge/linux-amd64-blue?style=flat-square&logo=docker)

![](https://img.shields.io/badge/linux-arm/v6-blue?style=flat-square&logo=docker)

![](https://img.shields.io/badge/linux-arm/v7-blue?style=flat-square&logo=docker)

![](https://img.shields.io/badge/linux-arm64/v8-blue?style=flat-square&logo=docker)

![](https://img.shields.io/badge/linux-ppc64le-blue?style=flat-square&logo=docker)

![](https://img.shields.io/badge/linux-s390x-blue?style=flat-square&logo=docker)

- GET / POST / PUT / PATCH / DELETE

- Request (Query, Body, IPs, Host, Urls...)

- Request Headers / Response Headers

- Environment variables

- Control via Headers/Query

- Folders and Files

- Monitoring

![docker](https://ealenn.github.io/Echo-Server/assets/images/docker.png)

## Table of contents

- [Echo-Server / Docker / Kubernetes / Helm](#echo-server--docker--kubernetes--helm)

	- [Table of contents](#table-of-contents)

	- [Configuration](#configuration)

	- [Use Echo-Server](#use-echo-server)

		- [Custom responses](#custom-responses)

			- [Custom HTTP Status Code](#custom-http-status-code)

			- [Custom Body](#custom-body)

			- [Custom Body with Environment variable value](#custom-body-with-environment-variable-value)

			- [Custom Headers](#custom-headers)

			- [Custom response latency](#custom-response-latency)

			- [File/Folder explorer](#filefolder-explorer)

			- [Combine custom actions](#combine-custom-actions)

	- [Change default Queries/Request commands](#change-default-queriesrequest-commands)

	- [Loggers](#loggers)

		- [Format](#format)

		- [Seq](#seq)

		- [ELK](#elk)

	- [Setting up](#setting-up)

		- [Docker](#docker)

		- [Docker-Compose](#docker-compose)

		- [Kubernetes](#kubernetes)

		- [Kubernetes with Helm](#kubernetes-with-helm)

		- [NodeJS](#nodejs)

	- [Contributing](#contributing)

	- [Versioning](#versioning)

	- [License](#license)

	- [Development](#development)

		- [Documentation](#documentation)

		- [Tests](#tests)

		- [Release notes](#release-notes)

		- [Update Helm Chart](#update-helm-chart)

## Configuration

| Environment         | Helm                           | CLI                  | Default       |

|---------------------|--------------------------------|----------------------|---------------|

| PORT                | service.port                   | --port               | `80`          |

| LOGS__IGNORE__PING  | application.logs.ignore.ping   | --logs:ignore:ping   | `false`       |

| ENABLE__HOST        | application.enable.host        | --enable:host        | `true`        |

| ENABLE__HTTP        | application.enable.http        | --enable:http        | `true`        |

| ENABLE__REQUEST     | application.enable.request     | --enable:request     | `true`        |

| ENABLE__COOKIES     | application.enable.cookies     | --enable:cookies     | `true`        |

| ENABLE__HEADER      | application.enable.header      | --enable:header      | `true`        |

| ENABLE__ENVIRONMENT | application.enable.environment | --enable:environment | `true`        |

| ENABLE__FILE        | application.enable.file        | --enable:file        | `true`        |

## Use Echo-Server

![curl](https://ealenn.github.io/Echo-Server/assets/images/curl.png)

I use [jq](https://stedolan.github.io/jq) for nice `curl` results ;)

### Custom responses

| Query               | Header                | Content                          | Conditions                |

|---------------------|-----------------------|----------------------------------| ------------------------- |

| ?echo_code=         | X-ECHO-CODE           | HTTP code `200`, `404`           | 200 <= `CODE` <= 599      |

|                     |                       | `404-401` or `200-500-301`       |                           |

| ?echo_body=         | X-ECHO-BODY           | Body message                     |                           |

| ?echo_env_body=     | X-ECHO-ENV-BODY       | The key of environment variable  | Enable environment `true` |

| ?echo_header=       | X-ECHO-HEADER         | Response Header `Lang: en-US`    | Enable header `true`      |

| ?echo_time=         | X-ECHO-TIME           | Wait time in `ms`                | 0 <= `TIME` <= 30.000     |

| ?echo_file=         | X-ECHO-FILE           | Path of Directory or File        | Enable file `true`        |

#### Custom HTTP Status Code

```bash

➜ curl -I --header 'X-ECHO-CODE: 404' localhost:8080

➜ curl -I localhost:8080/?echo_code=404

HTTP/1.1 404 Not Found

```

```bash

➜ curl -I --header 'X-ECHO-CODE: 404-300' localhost:8080

➜ curl -I localhost:8080/?echo_code=404-300

HTTP/1.1 404 Not Found

HTTP/1.1 300 Multiple Choices

```

```bash

➜ for i in {1..10}

➜ do

➜    curl -I localhost:8080/?echo_code=200-400-500

➜ done

HTTP/1.1 500 Internal Server Error

HTTP/1.1 400 Bad Request

HTTP/1.1 200 OK

HTTP/1.1 500 Internal Server Error

HTTP/1.1 200 OK

HTTP/1.1 500 Internal Server Error

```

#### Custom Body

```bash

➜ curl --header 'X-ECHO-BODY: amazing' localhost:8080

➜ curl localhost:8080/?echo_body=amazing

"amazing"

```

#### Custom Body with Environment variable value

```bash

➜ curl --header 'X-ECHO-ENV-BODY: HOSTNAME' localhost:8080

➜ curl localhost:8080/?echo_env_body=HOSTNAME

"c53a9ed79fa2"

```

```bash

➜ for i in {1..10}

➜ do

➜    curl localhost:8080/?echo_env_body=HOSTNAME

➜ done

"c53a9ed79fa2"

"f10c3af61e40"

"c53a9ed79fa2"

"f10c3af61e40"

"c53a9ed79fa2"

```

#### Custom Headers

```bash

➜ curl --header 'X-ECHO-HEADER: One:1' localhost:8080

➜ curl localhost:8080/?echo_header=One:1

HTTP/1.1 200 OK

One: 1

```

```bash

➜ curl --header 'X-ECHO-HEADER: One:1, Two:2' localhost:8080

➜ curl "localhost:8080/?echo_header=One:1,%20Two:2"

HTTP/1.1 200 OK

One: 1

Two: 2

```

#### Custom response latency

```bash

➜ curl --header 'X-ECHO-TIME: 5000' localhost:8080

➜ curl "localhost:8080/?echo_time=5000"

⏳... 5000 ms

```

You can change default validations with

| ENVIRONMENT                | CLI                       | Default  |

|----------------------------|---------------------------| ---------|

| CONTROLS__TIMES__MIN       | --controls:times:min      | `0`      |

| CONTROLS__TIMES__MAX       | --controls:times:max      | `60000`  |

*(Latency is defined in milliseconds)*

#### File/Folder explorer

```bash

➜ curl --header 'X-ECHO-FILE: /' localhost:8080

➜ curl "localhost:8080/?echo_file=/"

["app", "bin", "etc", "usr", "var"]

```

#### Combine custom actions

```bash

➜ curl --header 'X-ECHO-CODE: 401' --header 'X-ECHO-BODY: Oups' localhost:8080

➜ curl "localhost:8080/?echo_body=Oups&echo_code=401"

HTTP/1.1 401 Unauthorized

"Oups"

```

## Change default Queries/Request commands

[Read the docs](https://ealenn.github.io/Echo-Server/pages/configuration/commands.html)

| Environment                        | CLI                                | Default            |

|------------------------------------|------------------------------------|--------------------|

| COMMANDS__HTTPBODY__QUERY          | --commands:httpBody:query          | `echo_body`        |

| COMMANDS__HTTPBODY__HEADER         | --commands:httpBody:header         | `x-echo-body`      |

| COMMANDS__HTTPENVBODY__QUERY       | --commands:httpEnvBody:query       | `echo_env_body`    |

| COMMANDS__HTTPENVBODY__HEADER      | --commands:httpEnvBody:header      | `x-echo-env-body`  |

| COMMANDS__HTTPCODE__QUERY          | --commands:httpCode:query          | `echo_code`        |

| COMMANDS__HTTPCODE__HEADER         | --commands:httpCode:header         | `x-echo-code`      |

| COMMANDS__HTTPHEADERS__QUERY       | --commands:httpHeaders:query       | `echo_header`      |

| COMMANDS__HTTPHEADERS__HEADER      | --commands:httpHeaders:header      | `x-echo-header`    |

| COMMANDS__TIME__QUERY              | --commands:time:query              | `echo_time`        |

| COMMANDS__TIME__HEADER             | --commands:time:header             | `x-echo-time`      |

| COMMANDS__FILE__QUERY              | --commands:file:query              | `echo_file`        |

| COMMANDS__FILE__HEADER             | --commands:file:header             | `x-echo-file`      |

## Loggers

[Read the docs](https://ealenn.github.io/Echo-Server/pages/configuration/loggers.html)

| Environment                        | CLI                                | Default            |

|------------------------------------|------------------------------------|--------------------|

| LOGS__APP                          | --logs:app                         | `echo-server`      |

| LOGS__LEVEL                        | --logs:level                       | `debug`            |

| LOGS__FORMAT                       | --logs:format                      | `default`          |

### Format

| LOG FORMAT        | DESCRIPTION                                                                 |

|-------------------|-----------------------------------------------------------------------------|

| default           | Combine `line` & `object`                                                   |

| line              | Simple `Fri, 22 Jan 2021 10:45:20 GMT | [GET] - http://localhost:8080/path` |

| object            | JSON `{ "host": {}, http: {}, request: {}}`                                 |

### Seq

[Full example](https://github.com/Ealenn/Echo-Server/tree/master/docker-compose) - [Documentation](https://ealenn.github.io/Echo-Server/pages/quick-start/docker-compose.html)

| Environment                        | CLI                                | Default            |

|------------------------------------|------------------------------------|--------------------|

| LOGS__SEQ__ENABLED                 | --logs:seq:enabled                 | `false`            |

| LOGS__SEQ__SERVER                  | --logs:seq:server                  | ` `                |

| LOGS__SEQ__KEY                     | --logs:seq:key                     | ` `                |

| LOGS__SEQ__LEVEL                   | --logs:seq:level                   | `info`             |

### ELK

[Full example](https://github.com/Ealenn/Echo-Server/tree/master/docker-compose) - [Documentation](https://ealenn.github.io/Echo-Server/pages/quick-start/docker-compose.html)

## Setting up

### Docker

[Read the docs](https://ealenn.github.io/Echo-Server/pages/quick-start/docker.html)

```bash

docker run -p 8080:80 ealen/echo-server

```

### Docker-Compose

[Read the docs](https://ealenn.github.io/Echo-Server/pages/quick-start/docker-compose.html)

**Sample**

```yaml

version: "3"

services:

  echo-server:

    image: ealen/echo-server

    ports:

      - 8080:80

```

**With Seq**

```yaml

version: "3"

services:

  echo:

    image: ealen/echo-server

    environment: 

      PORT: 80

      LOGS__SEQ__ENABLED: "true"

      LOGS__SEQ__SERVER: "http://seq:5341"

    ports: 

      - 8080:80

  seq:

    image: datalust/seq

    environment: 

      ACCEPT_EULA: "Y"

    ports:

      - 3010:80

```

### Kubernetes

[Read the docs](https://ealenn.github.io/Echo-Server/pages/quick-start/kubernetes.html)

```bash

curl -sL https://raw.githubusercontent.com/Ealenn/Echo-Server/master/docs/examples/echo.kube.yaml | kubectl apply -f -

```

### Kubernetes with Helm

[Read the docs](https://ealenn.github.io/Echo-Server/pages/quick-start/helm.html) - [Artifact Hub](https://artifacthub.io/packages/helm/ealenn/echo-server)

```bash

helm repo add ealenn https://ealenn.github.io/charts

helm repo update

helm install --set ingress.enable=true --name echoserver ealenn/echo-server

```

### NodeJS

[Read the docs](https://ealenn.github.io/Echo-Server/pages/quick-start/nodejs)

```bash

# Dependencies

npm ci

# Run with node

node ./src/webserver --port 8080

# Run with npm script

PORT=8080 npm run start

```

---

## Contributing

Please read [CONTRIBUTING.md](CONTRIBUTING.md) for details on our code of conduct, and the process for submitting pull requests to us.

## Versioning

We use [SemVer](http://semver.org/) for versioning.

For the versions available, see the [tags on this repository](https://github.com/Ealenn/Echo-Server/releases).

## License

This project is licensed under the GNU Lesser General Public License - see the [LICENSE.txt](https://github.com/Ealenn/Echo-Server/blob/master/LICENSE.txt) file for details.

---

## Development

### Documentation

Docker-Compose is available on `./docs` folder.

```bash

docker compose up -d

```

The documentation is here [localhost:4000](http://localhost:4000)

### Tests

```bash

npm ci

# Without code coverage

npm run test

# With code coverage

npm run test-with-coverage

```

### Release notes

```bash

git log --pretty=oneline

```

### Update Helm Chart

=> [https://github.com/Ealenn/charts/tree/master/charts/echo-server](https://github.com/Ealenn/charts/tree/master/charts/echo-server)