91 lines
2.1 KiB
Go
91 lines
2.1 KiB
Go
|
// +build linux
|
||
|
|
|
||
|
|
package conntrack
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/influxdata/telegraf/testutil"
|
||
|
|
"github.com/stretchr/testify/assert"
|
||
|
|
"io/ioutil"
|
||
|
|
"os"
|
||
|
|
"path"
|
||
|
|
"strconv"
|
||
|
|
"strings"
|
||
|
|
"testing"
|
||
|
|
)
|
||
|
|
|
||
|
|
func restoreDflts(savedFiles, savedDirs []string) {
|
||
|
|
dfltFiles = savedFiles
|
||
|
|
dfltDirs = savedDirs
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestNoFilesFound(t *testing.T) {
|
||
|
|
defer restoreDflts(dfltFiles, dfltDirs)
|
||
|
|
|
||
|
|
dfltFiles = []string{"baz.txt"}
|
||
|
|
dfltDirs = []string{"./foo/bar"}
|
||
|
|
c := &Conntrack{}
|
||
|
|
acc := &testutil.Accumulator{}
|
||
|
|
err := c.Gather(acc)
|
||
|
|
|
||
|
|
assert.EqualError(t, err, "Conntrack input failed to collect metrics. "+
|
||
|
|
"Is the conntrack kernel module loaded?")
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestDefaultsUsed(t *testing.T) {
|
||
|
|
defer restoreDflts(dfltFiles, dfltDirs)
|
||
|
|
tmpdir, err := ioutil.TempDir("", "tmp1")
|
||
|
|
assert.NoError(t, err)
|
||
|
|
defer os.Remove(tmpdir)
|
||
|
|
|
||
|
|
tmpFile, err := ioutil.TempFile(tmpdir, "ip_conntrack_count")
|
||
|
|
assert.NoError(t, err)
|
||
|
|
|
||
|
|
dfltDirs = []string{tmpdir}
|
||
|
|
fname := path.Base(tmpFile.Name())
|
||
|
|
dfltFiles = []string{fname}
|
||
|
|
|
||
|
|
count := 1234321
|
||
|
|
ioutil.WriteFile(tmpFile.Name(), []byte(strconv.Itoa(count)), 0660)
|
||
|
|
c := &Conntrack{}
|
||
|
|
acc := &testutil.Accumulator{}
|
||
|
|
|
||
|
|
c.Gather(acc)
|
||
|
|
acc.AssertContainsFields(t, inputName, map[string]interface{}{
|
||
|
|
fname: float64(count)})
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestConfigsUsed(t *testing.T) {
|
||
|
|
defer restoreDflts(dfltFiles, dfltDirs)
|
||
|
|
tmpdir, err := ioutil.TempDir("", "tmp1")
|
||
|
|
assert.NoError(t, err)
|
||
|
|
defer os.Remove(tmpdir)
|
||
|
|
|
||
|
|
cntFile, err := ioutil.TempFile(tmpdir, "nf_conntrack_count")
|
||
|
|
maxFile, err := ioutil.TempFile(tmpdir, "nf_conntrack_max")
|
||
|
|
assert.NoError(t, err)
|
||
|
|
|
||
|
|
dfltDirs = []string{tmpdir}
|
||
|
|
cntFname := path.Base(cntFile.Name())
|
||
|
|
maxFname := path.Base(maxFile.Name())
|
||
|
|
dfltFiles = []string{cntFname, maxFname}
|
||
|
|
|
||
|
|
count := 1234321
|
||
|
|
max := 9999999
|
||
|
|
ioutil.WriteFile(cntFile.Name(), []byte(strconv.Itoa(count)), 0660)
|
||
|
|
ioutil.WriteFile(maxFile.Name(), []byte(strconv.Itoa(max)), 0660)
|
||
|
|
c := &Conntrack{}
|
||
|
|
acc := &testutil.Accumulator{}
|
||
|
|
|
||
|
|
c.Gather(acc)
|
||
|
|
|
||
|
|
fix := func(s string) string {
|
||
|
|
return strings.Replace(s, "nf_", "ip_", 1)
|
||
|
|
}
|
||
|
|
|
||
|
|
acc.AssertContainsFields(t, inputName,
|
||
|
|
map[string]interface{}{
|
||
|
|
fix(cntFname): float64(count),
|
||
|
|
fix(maxFname): float64(max),
|
||
|
|
})
|
||
|
|
}
|