KubeVela: 如何用 100 行代码快速引入 AWS 最受欢迎的 50 种云资源

import (
  "encoding/json"
  "fmt"
  "io"
  "log"
  "net/http"
  "os"
  "os/exec"
  "path/filepath"
  "strings"
  "github.com/pkg/errors"
)
type TFDownload struct {
  Data     []DataItem     `json:"data"`
  Included []IncludedItem `json:"included"`
}
type IncludedItem struct {
  Id         string     `json:"id"`
  Attributes Attributes `json:"attributes"`
}
type DataItem struct {
  Attributes    Attributes    `json:"attributes"`
  Relationships Relationships `json:"relationships"`
}
type Relationships struct {
  LatestVersion RelationshipLatestVersion `json:"latest-version"`
}
type RelationshipLatestVersion struct {
  Data RelationshipData `json:"data"`
}
type RelationshipData struct {
  Id string `json:"id"`
}
var errNoVariables = errors.New("failed to find main.tf or variables.tf in Terraform configurations")
type Attributes struct {
  Name        string `json:"name"`
  Downloads   int    `json:"downloads"`
  Source      string `json:"source"`
  Description string `json:"description"`
  Verified    bool   `json:"verified"`
}
func main() {
  if len(os.Args) < 2 {
     fmt.Println("Please provide the cloud provider name and an official Terraform modules URL")
     os.Exit(1)
  }
  providerName := os.Args[1]
  terraformModulesUrl := os.Args[2]
  resp, err := http.Get(terraformModulesUrl)
  if err != nil {
     log.Fatal(err)
  }
  defer resp.Body.Close()
  body, err := io.ReadAll(resp.Body)
  if err != nil {
     log.Fatal(err)
  }
  var modules TFDownload
  if err := json.Unmarshal(body, &modules); err != nil {
     fmt.Println(err.Error())
     os.Exit(1)
  }
  if _, err = os.Stat(providerName); err == nil {
     if err := os.RemoveAll(providerName); err != nil {
        log.Fatal(err)
     }
     fmt.Printf("Successfully deleted existed directory %s\n", providerName)
  }
  if _, err = os.Stat(providerName); os.IsNotExist(err) {
     if err := os.Mkdir(providerName, 0755); err != nil {
        if !os.IsExist(err) {
           log.Fatal(err)
        }
        fmt.Printf("Successfully created directory %s\n", providerName)
     }
  }
  for _, module := range modules.Data {
     var description string
     for _, attr := range modules.Included {
        if module.Relationships.LatestVersion.Data.Id == attr.Id {
           description = attr.Attributes.Description
        }
     }
     if description == "" {
        description = strings.ToUpper(providerName) + " " + strings.Title(module.Attributes.Name)
     }
     outputFile := fmt.Sprintf("%s/terraform-%s-%s.yaml", providerName, providerName, module.Attributes.Name)
     if _, err := os.Stat(outputFile); !os.IsNotExist(err) {
        continue
     }
     if providerName == "aws" && (module.Attributes.Name == "rds" || module.Attributes.Name == "s3-bucket" ||
        module.Attributes.Name == "subnet" || module.Attributes.Name == "vpc") {
        continue
     }
     if err := generateDefinition(providerName, module.Attributes.Name, module.Attributes.Source, "", description); err != nil {
        fmt.Println(err.Error())
        os.Exit(1)
     }
  }
}
func generateDefinition(provider, name, gitURL, path, description string) error {
  defYaml := filepath.Join(provider, fmt.Sprintf("terraform-%s-%s.yaml", provider, name))
  cmd := fmt.Sprintf("vela def init %s --type component --provider %s --git %s.git --desc \"%s\" -o %s",
     name, provider, gitURL, description, defYaml)
  if path != "" {
     cmd = fmt.Sprintf("%s --path %s", cmd, path)
  }
  fmt.Println(cmd)
  stdout, err := exec.Command("bash", "-c", cmd).CombinedOutput()
  if err != nil {
     return errors.Wrap(err, string(stdout))
  }
  fmt.Println(string(stdout))
  return nil

{
  "data": [
    {
      "type": "modules",
      "id": "23",
      "attributes": {
        "downloads": 18440513,
        "full-name": "terraform-aws-modules/vpc/aws",
        "name": "vpc",
        "namespace": "terraform-aws-modules",
        "owner-name": "",
        "provider-logo-url": "/images/providers/aws.png",
        "provider-name": "aws",
        "source": "https://github.com/terraform-aws-modules/terraform-aws-vpc",
        "verified": true
      },
      "relationships": {
        "latest-version": {
          "data": {
            "id": "142143",
            "type": "module-versions"
          }
        }
      },
      "links": {
        "self": "/v2/modules/23"
      }
    },
    ...
  ],
  "included": [
    {
      "type": "module-versions",
      "id": "36806",
      "attributes": {
        "created-at": "2020-01-03T11:35:36Z",
        "description": "Terraform module Terraform module for creating AWS IAM Roles with heredocs",
        "downloads": 260030,
        "published-at": "2020-02-06T06:26:08Z",
        "source": "",
        "tag": "v2.0.0",
        "updated-at": "2022-02-22T00:45:44Z",
        "version": "2.0.0"
      },
      "links": {
        "self": "/v2/module-versions/36806"
      }
    },
    ...
  ],
  ...
}

vela def init {ModuleName} --type component --provider {providerName} --git {gitURL} --desc {description} -o {yamlFileName}