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/*
* Copyright 2018 Intel Corporation, Inc
*
* 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.
*/
package api
import (
"errors"
"log"
"os"
)
var (
Datastore DatastoreConnector
KeyValues KeyValuesInterface
Directory DirectoryOperationer
)
func Initialise() error {
if os.Getenv("DATASTORE") == "" {
return errors.New("DATASTORE environment variable not set.")
}
if os.Getenv("DATASTORE") == "consul" {
Datastore = &ConsulStruct{}
} else if os.Getenv("DATASTORE") == "cassandra" {
Datastore = &CassandraStruct{}
} else {
return errors.New("Unrecognised Datastore. Supports only consul or cassandra")
}
jsonExists, err := JsonChecker(JSONPATH)
if jsonExists == false {
log.Println("[INFO] token_service_map.json not found. Creating.")
err = JsonCreate(JSONPATH)
if err != nil {
return err
}
}
KeyValues = &KeyValuesStruct{}
Directory = &DirectoryStruct{directory: ""}
err = Datastore.InitializeDatastoreClient()
if err != nil {
return err
}
err = Datastore.CheckDatastoreHealth()
if err != nil {
return err
}
if os.Getenv("MOUNTPATH") != "" {
MOUNTPATH = os.Getenv("MOUNTPATH")
} else {
MOUNTPATH = "../../mountpath/"
}
return nil
}
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