1 // Copyright The OpenTelemetry Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 //go:build linux || dragonfly || freebsd || netbsd || openbsd || solaris 16 17 package resource // import "go.opentelemetry.io/otel/sdk/resource" 18 19 import "os" 20 21 func readFile(filename string) (string, error) { 22 b, err := os.ReadFile(filename) 23 if err != nil { 24 return "", err 25 } 26 27 return string(b), nil 28 } 29