mirror of https://github.com/grafana/grafana.git
				
				
				
			
		
			
				
	
	
		
			62 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
| package main
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| 
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| import (
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| 	"encoding/json"
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| 	"fmt"
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| 	"os"
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| 
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| 	"github.com/getkin/kin-openapi/openapi2"
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| 	"github.com/getkin/kin-openapi/openapi2conv"
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| 	"github.com/getkin/kin-openapi/openapi3"
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| )
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| 
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| // main This simple script will take the swagger v2 spec generated by grafana and convert them into openapi 3
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| // saving them as new json file to be able lo load and show
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| // The first parameter, if present, will be the input file
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| // The second parameter, if present, will be the output file
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| func main() {
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| 	outFile := "public/openapi3.json"
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| 	inFile := "api-merged.json"
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| 	args := os.Args[1:]
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| 
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| 	// first parameter as the input
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| 	if len(args) > 0 && args[0] != "" {
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| 		inFile = args[0]
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| 	}
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| 
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| 	// second parameter as output
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| 	if len(args) > 1 && args[1] != "" {
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| 		outFile = args[1]
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| 	}
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| 
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| 	fmt.Printf("Reading swagger 2 file %s\n", inFile)
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| 	byt, err := os.ReadFile(inFile)
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| 	if err != nil {
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| 		panic(err)
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| 	}
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| 
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| 	var doc2 openapi2.T
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| 	if err = json.Unmarshal(byt, &doc2); err != nil {
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| 		panic(err)
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| 	}
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| 
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| 	doc3, err := openapi2conv.ToV3(&doc2)
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| 	if err != nil {
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| 		panic(err)
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| 	}
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| 
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| 	// this is a workaround. In the swagger2 specs there ir no definition of the host, so the converter can not create
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| 	// a URL. Adding this will ensure that all the api calls start with "/api".
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| 	doc3.AddServer(&openapi3.Server{URL: "/api"})
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| 
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| 	j3, err := json.MarshalIndent(doc3, "", "  ")
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| 	if err != nil {
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| 		panic(err)
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| 	}
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| 
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| 	if err = os.WriteFile(outFile, j3, 0644); err != nil {
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| 		panic(err)
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| 	}
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| 	fmt.Printf("OpenAPI specs generated in file %s\n", outFile)
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| }
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