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https://github.com/prometheus/node_exporter
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7a914e58f2
* Add parsing /proc/net/snmp6 file * add /proc/net/snmp6 fixture * fix e2e test * gofmt * remove unuser variable * safe checks * add tests * change help format
60 lines
1.8 KiB
Go
60 lines
1.8 KiB
Go
// Copyright 2015 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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"os"
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"strconv"
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"testing"
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)
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func TestSockStats(t *testing.T) {
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testSockStats(t, "fixtures/proc/net/sockstat")
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testSockStats(t, "fixtures/proc/net/sockstat_rhe4")
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}
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func testSockStats(t *testing.T, fixture string) {
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file, err := os.Open(fixture)
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if err != nil {
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t.Fatal(err)
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}
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defer file.Close()
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sockStats, err := parseSockStats(file, fixture)
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if err != nil {
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t.Fatal(err)
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}
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if want, got := "229", sockStats["sockets"]["used"]; want != got {
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t.Errorf("want sockstat sockets used %s, got %s", want, got)
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}
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if want, got := "4", sockStats["TCP"]["tw"]; want != got {
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t.Errorf("want sockstat TCP tw %s, got %s", want, got)
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}
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if want, got := "17", sockStats["TCP"]["alloc"]; want != got {
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t.Errorf("want sockstat TCP alloc %s, got %s", want, got)
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}
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// The test file has 1 for TCP mem, which is one page. So we should get the
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// page size in bytes back from sockstat_linux. We get the page size from
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// os here because this value can change from system to system. The value is
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// 4096 by default from linux 2.4 onward.
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if want, got := strconv.Itoa(os.Getpagesize()), sockStats["TCP"]["mem_bytes"]; want != got {
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t.Errorf("want sockstat TCP mem_bytes %s, got %s", want, got)
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}
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}
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