node_exporter/collector/helper.go
Pavel Borzenkov 21d473ffd4 Fix compilation without conntrack collector
Entry collector uses readUintFromFile() function which is defined by
conntrack collector. Thus, it is impossible to build node_exporter w/o
conntrack collector. Fix this by factoring out the function into
helper.go file.

Signed-off-by: Pavel Borzenkov <pavel.borzenkov@gmail.com>
2016-01-15 15:16:12 +03:00

45 lines
1.2 KiB
Go

// Copyright 2015 The Prometheus Authors
// 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 collector
import (
"fmt"
"io/ioutil"
"strconv"
"strings"
)
func splitToInts(str string, sep string) (ints []int, err error) {
for _, part := range strings.Split(str, sep) {
i, err := strconv.Atoi(part)
if err != nil {
return nil, fmt.Errorf("could not split '%s' because %s is no int: %s", str, part, err)
}
ints = append(ints, i)
}
return ints, nil
}
func readUintFromFile(path string) (uint64, error) {
data, err := ioutil.ReadFile(path)
if err != nil {
return 0, err
}
value, err := strconv.ParseUint(strings.TrimSpace(string(data)), 10, 64)
if err != nil {
return 0, err
}
return value, nil
}