Files
grafana/scripts/openapi3/openapi3conv.go
lean.dev e8e7b59bb0 Implementing OpenApi 3 specs (converted from Swagger 2) (#53243)
* Adding OpenApi target to makefile, to covert swagger spec into OpenAPI 3
* Adding endpoint to server swaggerui with new openapi3 specs
* Passing output file as parameter for OpenApi3 specs
* Implement workaround for missing host and prefix domain
2022-08-04 13:51:12 -03:00

62 lines
1.5 KiB
Go

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