terraform-provider-boilerplate

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terraform-provider-boilerplate

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🏄Terraform Provider Boilerplate.

terraform-provider-boilerplate 최신버젼 다운로드

최종 버전 다운로드 (.zip)

// repository documentation

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<p align="center">
    <img alt="terraform-provider-boilerplate Logo" src="https://www.terraform.io/assets/images/og-image-8b3e4f7d.png" width="150" />
    <h3 align="center">Terraform Provider Boilerplate.</h3>
    <p align="center">
        <a href="https://godoc.org/github.com/Clivern/terraform-provider-boilerplate"><img src="https://godoc.org/github.com/Clivern/terraform-provider-boilerplate?status.svg"></a>
        <a href="https://travis-ci.org/Clivern/terraform-provider-boilerplate"><img src="https://travis-ci.org/Clivern/terraform-provider-boilerplate.svg?branch=master"></a>
        <a href="https://github.com/Clivern/terraform-provider-boilerplate/releases"><img src="https://img.shields.io/badge/Version-0.2.4-red.svg"></a>
        <a href="https://goreportcard.com/report/github.com/Clivern/terraform-provider-boilerplate"><img src="https://goreportcard.com/badge/github.com/Clivern/terraform-provider-boilerplate?v=0.2.2"></a>
        <a href="https://github.com/Clivern/terraform-provider-boilerplate/blob/master/LICENSE"><img src="https://img.shields.io/badge/LICENSE-MIT-orange.svg"></a>
    </p>
</p>

## Documentation

First we need to create a simple web service to do a CRUD operations.

```golang
package main

import (
    "encoding/json"
    "fmt"
    "io/ioutil"
    "net/http"
    "os"

"github.com/gin-gonic/gin"
)

type Server struct {
    Id     int    `json:"id"`
    Image  string `json:"image"`
    Name   string `json:"name"`
    Size   string `json:"size"`
    Region string `json:"region"`
}

// LoadFromJSON update object from json
func (s *Server) LoadFromJSON(data []byte) (bool, error) {
    err := json.Unmarshal(data, &s)
    if err != nil {
        return false, err
    }
    return true, nil
}

// ConvertToJSON convert object to json
func (s *Server) ConvertToJSON() (string, error) {
    data, err := json.Marshal(&s)
    if err != nil {
        return "", err
    }
    return string(data), nil
}

func Store(file, data string) (bool, error) {
    f, err := os.Create(file)
    if err != nil {
        return false, err
    }
    _, err = f.WriteString(data)
    if err != nil {
        f.Close()
        return false, err
    }
    err = f.Close()
    if err != nil {
        return false, err
    }
    return true, nil
}

func Retrieve(file string) string {
    b, err := ioutil.ReadFile(file) // just pass the file name

if err != nil {
        return ""
    }

return string(b)
}

func main() {

gin.DisableConsoleColor()
    gin.DefaultWriter = os.Stdout

r := gin.Default()

r.GET("/favicon.ico", func(c *gin.Context) {
        c.String(http.StatusNoContent, "")
    })

r.GET("/server/:name", func(c *gin.Context) {
        data := Retrieve("db.txt")

if data == "" {
            c.JSON(http.StatusNotFound, gin.H{
                "status": "error",
                "error":  "Server not found",
            })
            return
        }

server := &Server{}
        server.LoadFromJSON([]byte(data))

c.JSON(http.StatusOK, gin.H{
            "id":     server.Id,
            "image":  server.Image,
            "name":   server.Name,
            "size":   server.Size,
            "region": server.Region,
        })
    })

r.POST("/server", func(c *gin.Context) {
        rawBody, err := c.GetRawData()

if err != nil {
            c.JSON(http.StatusBadRequest, gin.H{
                "status": "error",
                "error":  "Invalid request",
            })
            return
        }

server := &Server{}
        server.LoadFromJSON([]byte(rawBody))

server.Id = 1

data, _ := server.ConvertToJSON()

ok, err := Store("db.txt", data)

if !ok || err != nil {
            c.JSON(http.StatusInternalServerError, gin.H{
                "status": "error",
                "error":  "Internal Server Error",
            })
            return
        }

c.JSON(http.StatusOK, gin.H{
            "id":     server.Id,
            "image":  server.Image,
            "name":   server.Name,
            "size":   server.Size,
            "region": server.Region,
        })
    })

r.PUT("/server/:id", func(c *gin.Context) {
        rawBody, err := c.GetRawData()

if err != nil {
            c.JSON(http.StatusBadRequest, gin.H{
                "status": "error",
                "error":  "Invalid request",
            })
            return
        }

server := &Server{}
        server.LoadFromJSON([]byte(rawBody))

server.Id = 1

data, _ := server.ConvertToJSON()

ok, err := Store("db.txt", data)

if !ok || err != nil {
            c.JSON(http.StatusInternalServerError, gin.H{
                "status": "error",
                "error":  "Internal Server Error",
            })
            return
        }

c.JSON(http.StatusOK, gin.H{
            "id":     server.Id,
            "image":  server.Image,
            "name":   server.Name,
            "size":   server.Size,
            "region": server.Region,
        })
    })

r.DELETE("/server/:id", func(c *gin.Context) {
        Store("db.txt", "")
        c.Status(http.StatusNoContent)
    })

r.GET("/image/:slug", func(c *gin.Context) {
        c.JSON(http.StatusOK, gin.H{
            "id":            1,
            "slug":          "UBUNTU_18_04_64BIT",
            "name":          "UBUNTU 18.04 64BIT",
            "distribution":  "UBUNTU",
            "private":       false,
            "min_disk_size": 20,
        })
    })

r.Run(fmt.Sprintf(":%d", 8080))
}
```

Run this service on the background.

```bash
$ go run main.go
```

Then we can use our terraform provider to make changes to the web service resources.

```bash
$ git clone https://github.com/Clivern/terraform-provider-boilerplate.git

# Build the provider
$ make ARGS="terraform-provider-boilerplate" build
// OR
$ go build -o terraform-provider-boilerplate

# Initialize a working directory containing Terraform configuration files
$ terraform init

# Create an execution plan.
$ terraform plan

# Apply the changes required to reach the desired state of the configuration
$ terraform apply

# Revert changes
$ terraform destroy
```

## General Rules

- Terraform provider should always consume an independent client library or sdk which implements the core logic for communicating with the upstream. You should consider moving the `/sdk` to be a separate project.
- Data sources are a special subset of resources which are read-only. They are resolved earlier than regular resources and can be used as part of Terraform's interpolation.

## Versioning

For transparency into our release cycle and in striving to maintain backward compatibility, terraform-provider-boilerplate is maintained under the [Semantic Versioning guidelines](https://semver.org/) and release process is predictable and business-friendly.

See the [Releases section of our GitHub project](https://github.com/Clivern/terraform-provider-boilerplate/releases) for changelogs for each release version of terraform-provider-boilerplate. It contains summaries of the most noteworthy changes made in each release.

## Bug tracker

If you have any suggestions, bug reports, or annoyances please report them to our issue tracker at https://github.com/Clivern/terraform-provider-boilerplate/issues

## Security Issues

If you discover a security vulnerability within terraform-provider-boilerplate, please send an email to [hello@clivern.com](mailto:hello@clivern.com)

## Contributing

We are an open source, community-driven project so please feel free to join us. see the [contributing guidelines](CONTRIBUTING.md) for more details.

## License

**terraform-provider-boilerplate** is authored and maintained by [@Clivern](http://github.com/Clivern).

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