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https://github.com/prometheus/node_exporter.git
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a8c94d48e6
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>
53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
// Copyright 2016 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package collector
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import (
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"bufio"
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"fmt"
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"io"
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"strconv"
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"strings"
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)
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// zpool metrics
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func (c *zfsCollector) parseZpoolOutput(reader io.Reader, handler func(string, string, float64)) (err error) {
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scanner := bufio.NewScanner(reader)
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for scanner.Scan() {
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fields := strings.Fields(scanner.Text())
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if len(fields) != 4 {
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return fmt.Errorf("unexpected output of zpool command")
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}
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valueString := fields[2]
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switch {
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case strings.HasSuffix(fields[2], "%"):
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percentage := strings.TrimSuffix(fields[2], "%")
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valueString = "0." + percentage
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case strings.HasSuffix(fields[2], "x"):
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valueString = strings.TrimSuffix(fields[2], "x")
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}
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value, err := strconv.ParseFloat(valueString, 64)
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if err != nil {
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return err
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}
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handler(fields[0], fields[1], value)
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}
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return scanner.Err()
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}
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