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Style changes and cleanup

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This patch makes stylistic changes to error strings, unexports method names by lower casing them, removes unused dataSetMetric, and adds copyright/licence information.

Signed-Off-By: Corey Stewart <stewa169@purdue.edu>
This commit is contained in:
Corey Stewart 2016-12-06 14:22:26 -05:00 • committed by Joe Handzik
commit a8c94d48e6
7 changed files with 76 additions and 50 deletions
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26
collector/zfs_linux.go
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@ -1,3 +1,16 @@
// Copyright 2016 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 (
@ -17,14 +30,6 @@ const (
zfsArcstatsProcpath = "spl/kstat/zfs/arcstats"
)
func (c *zfsCollector) zfsAvailable() (err error) {
file, err := c.openArcstatsFile()
if err != nil {
file.Close()
}
return err
}
func (c *zfsCollector) openArcstatsFile() (file *os.File, err error) {
file, err = os.Open(procFilePath(zfsArcstatsProcpath))
if err != nil {
@ -35,7 +40,6 @@ func (c *zfsCollector) openArcstatsFile() (file *os.File, err error) {
}
func (c *zfsCollector) updateArcstats(ch chan<- prometheus.Metric) (err error) {
file, err := c.openArcstatsFile()
if err != nil {
return err
@ -43,13 +47,11 @@ func (c *zfsCollector) updateArcstats(ch chan<- prometheus.Metric) (err error) {
defer file.Close()
return c.parseArcstatsProcfsFile(file, func(s zfsSysctl, v zfsMetricValue) {
ch <- c.ConstSysctlMetric(arc, s, v)
ch <- c.constSysctlMetric(arc, s, v)
})
}
func (c *zfsCollector) parseArcstatsProcfsFile(reader io.Reader, handler func(zfsSysctl, zfsMetricValue)) (err error) {
scanner := bufio.NewScanner(reader)
parseLine := false