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json.go
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json.go
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// Copyright (C) 2015-2020 the Gprovision Authors. All Rights Reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// SPDX-License-Identifier: BSD-3-Clause
//
package appliance
import (
"encoding/json"
"fmt"
"os"
"strings"
"github.com/purecloudlabs/gprovision/pkg/log"
"github.com/purecloudlabs/gprovision/pkg/net/xfer"
)
func LoadJson(url string) {
log.Logf("loading appliance json from %s", url)
data, err := xfer.GetFile(url)
if err != nil {
log.Fatalf(fmt.Sprintf("bad json url: %s", err))
}
err = loadJson(data)
if err != nil {
log.Fatalf(fmt.Sprintf("loadJson: unmarshal error %s", err))
}
}
func loadJson(data []byte) (err error) {
var loadStruct struct{ Variants []Variant_ } //necessary because on output, we wrap the Variant array
err = json.Unmarshal(data, &loadStruct)
if err == nil {
variants = loadStruct.Variants
}
return
}
func DumpDescriptions() {
m, err := json.MarshalIndent(variants, " ", " ")
if err != nil {
fmt.Printf("failed to marshal, err=%s\ndata=\n%#v\n", err, variants)
}
fmt.Printf("{\n \"Variants\": %s\n}\n", m)
}
func (v *ValidateRDEnum) UnmarshalJSON(b []byte) error {
var s string
if err := json.Unmarshal(b, &s); err != nil {
return err
}
switch strings.ToLower(s) {
case "usb":
*v = ValidateUSB
case "sata":
*v = ValidateSATA
case "none":
*v = NoValidation
case "9p":
*v = Validate9P
default:
log.Logf("unrecognized value for %T, assuming usb: %s", v, s)
*v = ValidateUSB
}
return nil
}
func (v ValidateRDEnum) MarshalJSON() ([]byte, error) {
var s string
switch v {
case ValidateUSB:
s = "usb"
case ValidateSATA:
s = "sata"
case NoValidation:
s = "none"
case Validate9P:
s = "9p"
default:
return nil, fmt.Errorf("failed to marshal %T value %#v", v, v)
}
return json.Marshal(s)
}
func (l *LocateRDEnum) UnmarshalJSON(b []byte) error {
var s string
if err := json.Unmarshal(b, &s); err != nil {
return err
}
switch strings.ToLower(s) {
case "bylabel":
*l = LocateByLabel
case "9p":
*l = Locate9PVirt
default:
log.Logf("unrecognized value for %T, assuming bylabel: %s", l, s)
*l = LocateByLabel
}
return nil
}
func (l LocateRDEnum) MarshalJSON() ([]byte, error) {
var s string
switch l {
case LocateByLabel:
s = "byLabel"
case Locate9PVirt:
s = "9p"
default:
return nil, fmt.Errorf("failed to marshal %T value %#v", l, l)
}
return json.Marshal(s)
}
func (l *LcdType) UnmarshalJSON(b []byte) error {
var s string
if err := json.Unmarshal(b, &s); err != nil {
return err
}
switch s {
case "631":
*l = Cfa631
case "635":
*l = Cfa635
case "none":
*l = NoLCD
default:
log.Logf("unrecognized value for %T, assuming none: %s", l, s)
*l = NoLCD
}
return nil
}
func (l LcdType) MarshalJSON() ([]byte, error) {
var s string
switch l {
case Cfa631:
s = "631"
case Cfa635:
s = "635"
case NoLCD:
s = "none"
default:
return nil, os.ErrInvalid
}
return json.Marshal(s)
}