Match-id-080f6ca948df8c7228aa4e7f2ff186c579ca37d1

hook/vendor/github.com/opencontainers/runtime-spec/schema/validate.go

@@ -0,0 +1,100 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/xeipuuv/gojsonschema"
+)
+
+const usage = `Validate is used to check document with specified schema.
+You can use validate in following ways:
+
+   1.specify document file as an argument
+      validate <schema.json> <document.json>
+
+   2.pass document content through a pipe
+      cat <document.json> | validate <schema.json>
+
+   3.input document content manually, ended with ctrl+d(or your self-defined EOF keys)
+      validate <schema.json>
+      [INPUT DOCUMENT CONTENT HERE]
+`
+
+func main() {
+	nargs := len(os.Args[1:])
+	if nargs == 0 || nargs > 2 {
+		fmt.Printf("ERROR: invalid arguments number\n\n%s\n", usage)
+		os.Exit(1)
+	}
+
+	if os.Args[1] == "help" ||
+		os.Args[1] == "--help" ||
+		os.Args[1] == "-h" {
+		fmt.Printf("%s\n", usage)
+		os.Exit(1)
+	}
+
+	schemaPath := os.Args[1]
+	if !strings.Contains(schemaPath, "://") {
+		var err error
+		schemaPath, err = formatFilePath(schemaPath)
+		if err != nil {
+			fmt.Printf("ERROR: invalid schema-file path: %s\n", err)
+			os.Exit(1)
+		}
+		schemaPath = "file://" + schemaPath
+	}
+
+	schemaLoader := gojsonschema.NewReferenceLoader(schemaPath)
+
+	var documentLoader gojsonschema.JSONLoader
+
+	if nargs > 1 {
+		documentPath, err := formatFilePath(os.Args[2])
+		if err != nil {
+			fmt.Printf("ERROR: invalid document-file path: %s\n", err)
+			os.Exit(1)
+		}
+		documentLoader = gojsonschema.NewReferenceLoader("file://" + documentPath)
+	} else {
+		documentBytes, err := ioutil.ReadAll(os.Stdin)
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+		documentString := string(documentBytes)
+		documentLoader = gojsonschema.NewStringLoader(documentString)
+	}
+
+	result, err := gojsonschema.Validate(schemaLoader, documentLoader)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	if result.Valid() {
+		fmt.Printf("The document is valid\n")
+	} else {
+		fmt.Printf("The document is not valid. see errors :\n")
+		for _, desc := range result.Errors() {
+			fmt.Printf("- %s\n", desc)
+		}
+		os.Exit(1)
+	}
+}
+
+func formatFilePath(path string) (string, error) {
+	if _, err := os.Stat(path); err != nil {
+		return "", err
+	}
+
+	absPath, err := filepath.Abs(path)
+	if err != nil {
+		return "", err
+	}
+	return absPath, nil
+}