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Configuration.go
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Configuration.go
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
*
* https://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 eip
import (
"github.com/rs/zerolog"
"strconv"
"github.com/pkg/errors"
)
type Configuration struct {
backplane int8
slot int8
}
func ParseFromOptions(localLogger zerolog.Logger, options map[string][]string) (Configuration, error) {
configuration := Configuration{
backplane: 1,
slot: 0,
}
if localRackString := getFromOptions(localLogger, options, "backplane"); localRackString != "" {
parsedBackplane, err := strconv.ParseInt(localRackString, 10, 8)
if err != nil {
return Configuration{}, errors.Wrap(err, "Error parsing backplane")
}
configuration.backplane = int8(parsedBackplane)
}
if localSlotString := getFromOptions(localLogger, options, "slot"); localSlotString != "" {
parsedSlot, err := strconv.ParseInt(localSlotString, 10, 8)
if err != nil {
return Configuration{}, errors.Wrap(err, "Error parsing slot")
}
configuration.slot = int8(parsedSlot)
}
return configuration, nil
}
func getFromOptions(localLogger zerolog.Logger, options map[string][]string, key string) string {
if optionValues, ok := options[key]; ok {
if len(optionValues) <= 0 {
return ""
}
if len(optionValues) > 1 {
localLogger.Warn().Str("key", key).Msg("Options %s must be unique")
}
return optionValues[0]
}
return ""
}