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reader.go
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/
reader.go
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package fsonly
// Copyright (c) 2018, Arm Limited and affiliates.
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"errors"
"github.com/armPelionEdge/maestro/platforms/common"
"github.com/armPelionEdge/maestroSpecs"
"github.com/armPelionEdge/maestroSpecs/templates"
)
// The template platform reader for a gateway which has no secure storage or hardware encryption chip / TrustZone.
// This platform reader just gets information by reading an identity.json file off the file system.
// "encoding/hex"
// IDENTITY_JSON_DEFAULT_PATH is the default location of identity.json file, which comes out of
// provision tools. /config is used on soft gateway
const defaultIdentityJSONPath = "/config/identity.json"
var identityJSONPath = defaultIdentityJSONPath
type platformInstance struct {
}
func SetOptsPlatform(opts map[string]interface{}) (err error) {
v, ok := opts["identityPath"]
if ok {
s, ok2 := v.(string)
if ok2 {
if len(s) > 0 {
identityJSONPath = s
} else {
err = errors.New("identityPath must be a string of length >= 1")
}
} else {
err = errors.New("identityPath is wrong type")
}
}
return
}
// PlatformReader is a required export for a platform module
var PlatformReader maestroSpecs.PlatformReader
func GetPlatformVars(dict *templates.TemplateVarDictionary, log maestroSpecs.Logger) (err error) {
if len(identityJSONPath) > 0 {
_, err = common.ReadIdentityFile(identityJSONPath, dict, log)
if err != nil {
err = errors.New("Failed to read identity file")
}
} else {
err = errors.New("No path for identity file")
}
return
}
func (reader *platformInstance) GetPlatformVars(dict *templates.TemplateVarDictionary, log maestroSpecs.Logger) (err error) {
err = GetPlatformVars(dict, log)
return
}
func (reader *platformInstance) SetOptsPlatform(opts map[string]interface{}) (err error) {
err = SetOptsPlatform(opts)
return
}
func init() {
inst := new(platformInstance)
PlatformReader = inst
}