prometheus/config/load.go

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// Copyright 2013 Prometheus Team
// 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 config
import (
"code.google.com/p/goprotobuf/proto"
pb "github.com/prometheus/prometheus/config/generated"
"io/ioutil"
)
func LoadFromString(configStr string) (Config, error) {
configProto := pb.PrometheusConfig{}
if err := proto.UnmarshalText(configStr, &configProto); err != nil {
return Config{}, err
}
if configProto.Global == nil {
configProto.Global = &pb.GlobalConfig{}
}
for _, job := range configProto.Job {
if job.ScrapeInterval == nil {
job.ScrapeInterval = proto.String(configProto.Global.GetScrapeInterval())
}
}
config := Config{configProto}
err := config.Validate()
return config, err
}
func LoadFromFile(fileName string) (Config, error) {
configStr, err := ioutil.ReadFile(fileName)
if err != nil {
return Config{}, err
}
return LoadFromString(string(configStr))
}