d08f0edcf1
Routes and errors are now all referenced from a single v2 package. This packages exports are acceptable for use in the server side as well as integration into docker core.
95 lines
2 KiB
Go
95 lines
2 KiB
Go
// registry-api-doctable-gen uses various descriptors within the registry code
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// base to generate markdown tables for use in documentation. This is only
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// meant to facilitate updates to documentation and not as an automated tool.
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//
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// For now, this only includes support for error codes:
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//
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// $ registry-api-doctable-gen errors
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//
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package main
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import (
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"fmt"
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"io"
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"log"
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"os"
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"reflect"
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"strings"
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"text/tabwriter"
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"github.com/docker/docker-registry/api/v2"
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)
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func main() {
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if len(os.Args) < 2 {
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log.Fatalln("please specify a table to generate: (errors)")
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}
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switch os.Args[1] {
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case "errors":
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dumpErrors(os.Stdout)
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default:
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log.Fatalln("unknown descriptor table:", os.Args[1])
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}
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}
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func dumpErrors(wr io.Writer) {
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writer := tabwriter.NewWriter(os.Stdout, 8, 8, 0, '\t', 0)
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defer writer.Flush()
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fmt.Fprint(writer, "|")
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dtype := reflect.TypeOf(v2.ErrorDescriptor{})
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var fieldsPrinted int
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for i := 0; i < dtype.NumField(); i++ {
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field := dtype.Field(i)
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if field.Name == "Value" {
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continue
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}
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fmt.Fprint(writer, field.Name, "|")
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fieldsPrinted++
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}
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divider := strings.Repeat("-", 8)
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var parts []string
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for i := 0; i < fieldsPrinted; i++ {
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parts = append(parts, divider)
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}
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divider = strings.Join(parts, "|")
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fmt.Fprintln(writer, "\n"+divider)
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for _, descriptor := range v2.ErrorDescriptors {
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fmt.Fprint(writer, "|")
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v := reflect.ValueOf(descriptor)
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for i := 0; i < dtype.NumField(); i++ {
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value := v.Field(i).Interface()
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field := v.Type().Field(i)
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if field.Name == "Value" {
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continue
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} else if field.Name == "Description" {
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value = strings.Replace(value.(string), "\n", " ", -1)
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} else if field.Name == "Code" {
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value = fmt.Sprintf("`%s`", value)
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} else if field.Name == "HTTPStatusCodes" {
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if len(value.([]int)) > 0 {
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var codes []string
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for _, code := range value.([]int) {
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codes = append(codes, fmt.Sprint(code))
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}
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value = strings.Join(codes, ", ")
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} else {
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value = "Any"
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}
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}
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fmt.Fprint(writer, value, "|")
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}
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fmt.Fprint(writer, "\n")
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}
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}
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