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telegraf/plugins/outputs/remotefile/remotefile_test.go
Daniel Baumann 4978089aab
Adding upstream version 1.34.4.
Signed-off-by: Daniel Baumann <daniel@debian.org>
2025-05-24 07:26:29 +02:00

513 lines
14 KiB
Go

package remotefile
import (
"fmt"
"os"
"path/filepath"
"strings"
"sync"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/config"
"github.com/influxdata/telegraf/metric"
"github.com/influxdata/telegraf/plugins/serializers/csv"
"github.com/influxdata/telegraf/plugins/serializers/influx"
"github.com/influxdata/telegraf/testutil"
)
func TestStaticFileCreation(t *testing.T) {
input := []telegraf.Metric{
metric.New(
"test",
map[string]string{"source": "localhost"},
map[string]interface{}{"value": 42},
time.Unix(1719410485, 0),
),
}
expected := "test,source=localhost value=42i 1719410485000000000\n"
tmpdir := t.TempDir()
// Setup the plugin including the serializer
plugin := &File{
Remote: config.NewSecret([]byte("local:" + tmpdir)),
Files: []string{"test"},
WriteBackInterval: config.Duration(100 * time.Millisecond),
Log: &testutil.Logger{},
}
plugin.SetSerializerFunc(func() (telegraf.Serializer, error) {
serializer := &influx.Serializer{}
err := serializer.Init()
return serializer, err
})
require.NoError(t, plugin.Init())
require.NoError(t, plugin.Connect())
defer plugin.Close()
// Write the input metrics and close the plugin. This is required to
// actually flush the data to disk
require.NoError(t, plugin.Write(input))
plugin.Close()
// Check the result
require.FileExists(t, filepath.Join(tmpdir, "test"))
actual, err := os.ReadFile(filepath.Join(tmpdir, "test"))
require.NoError(t, err)
require.Equal(t, expected, string(actual))
}
func TestStaticFileAppend(t *testing.T) {
input := []telegraf.Metric{
metric.New(
"test",
map[string]string{"source": "localhost"},
map[string]interface{}{"value": 42},
time.Unix(1719410485, 0),
),
}
expected := "test,source=remotehost value=23i 1719410465000000000\n"
expected += "test,source=localhost value=42i 1719410485000000000\n"
tmpdir := t.TempDir()
// Create a file where we want to append to
f, err := os.OpenFile(filepath.Join(tmpdir, "test"), os.O_CREATE|os.O_WRONLY, 0600)
require.NoError(t, err)
defer f.Close()
_, err = f.WriteString("test,source=remotehost value=23i 1719410465000000000\n")
require.NoError(t, err)
f.Close()
// Setup the plugin including the serializer
plugin := &File{
Remote: config.NewSecret([]byte("local:" + tmpdir)),
Files: []string{"test"},
WriteBackInterval: config.Duration(100 * time.Millisecond),
Log: &testutil.Logger{},
}
plugin.SetSerializerFunc(func() (telegraf.Serializer, error) {
serializer := &influx.Serializer{}
err := serializer.Init()
return serializer, err
})
require.NoError(t, plugin.Init())
require.NoError(t, plugin.Connect())
defer plugin.Close()
// Write the input metrics and close the plugin. This is required to
// actually flush the data to disk
require.NoError(t, plugin.Write(input))
plugin.Close()
// Check the result
require.FileExists(t, filepath.Join(tmpdir, "test"))
actual, err := os.ReadFile(filepath.Join(tmpdir, "test"))
require.NoError(t, err)
require.Equal(t, expected, string(actual))
}
func TestDynamicFiles(t *testing.T) {
input := []telegraf.Metric{
metric.New(
"test",
map[string]string{"source": "localhost"},
map[string]interface{}{"value": 23},
time.Unix(1719410465, 0),
),
metric.New(
"test",
map[string]string{"source": "remotehost"},
map[string]interface{}{"value": 21},
time.Unix(1719410465, 0),
),
metric.New(
"test",
map[string]string{"source": "localhost"},
map[string]interface{}{"value": 42},
time.Unix(1719410485, 0),
),
metric.New(
"test",
map[string]string{"source": "remotehost"},
map[string]interface{}{"value": 66},
time.Unix(1719410485, 0),
),
metric.New(
"test",
map[string]string{"source": "remotehost"},
map[string]interface{}{"value": 55},
time.Unix(1716310124, 0),
),
metric.New(
"test",
map[string]string{"source": "remotehost"},
map[string]interface{}{"value": 1},
time.Unix(1716310174, 0),
),
}
expected := map[string][]string{
"localhost-2024-06-26": {
"test,source=localhost value=23i 1719410465000000000\n",
"test,source=localhost value=42i 1719410485000000000\n",
},
"remotehost-2024-06-26": {
"test,source=remotehost value=21i 1719410465000000000\n",
"test,source=remotehost value=66i 1719410485000000000\n",
},
"remotehost-2024-05-21": {
"test,source=remotehost value=55i 1716310124000000000\n",
"test,source=remotehost value=1i 1716310174000000000\n",
},
}
tmpdir := t.TempDir()
// Setup the plugin including the serializer
plugin := &File{
Remote: config.NewSecret([]byte("local:" + tmpdir)),
Files: []string{`{{.Tag "source"}}-{{.Time.Format "2006-01-02"}}`},
WriteBackInterval: config.Duration(100 * time.Millisecond),
Log: &testutil.Logger{},
}
plugin.SetSerializerFunc(func() (telegraf.Serializer, error) {
serializer := &influx.Serializer{}
err := serializer.Init()
return serializer, err
})
require.NoError(t, plugin.Init())
require.NoError(t, plugin.Connect())
defer plugin.Close()
// Write the first batch of metrics wait for the data to settle to disk
require.NoError(t, plugin.Write(input[:2]))
require.Eventually(t, func() bool {
_, err1 := os.Stat(filepath.Join(tmpdir, "localhost-2024-06-26"))
_, err2 := os.Stat(filepath.Join(tmpdir, "remotehost-2024-06-26"))
return err1 == nil && err2 == nil
}, 5*time.Second, 100*time.Millisecond)
// Check the result
for _, fn := range []string{"localhost-2024-06-26", "remotehost-2024-06-26"} {
tmpfn := filepath.Join(tmpdir, fn)
require.FileExists(t, tmpfn)
actual, err := os.ReadFile(tmpfn)
require.NoError(t, err)
require.Equal(t, expected[fn][0], string(actual))
}
require.NoError(t, plugin.Write(input[2:]))
plugin.Close()
// Check the result
for fn, lines := range expected {
expectedContent := strings.Join(lines, "")
tmpfn := filepath.Join(tmpdir, fn)
require.FileExists(t, tmpfn)
actual, err := os.ReadFile(tmpfn)
require.NoError(t, err)
require.Equal(t, expectedContent, string(actual))
}
}
func TestCustomTemplateFunctions(t *testing.T) {
input := []telegraf.Metric{
metric.New(
"test",
map[string]string{"source": "localhost"},
map[string]interface{}{"value": 42},
time.Unix(1587686400, 0),
),
}
expected := "test,source=localhost value=42i 1587686400000000000\n"
expectedFilename := fmt.Sprintf("test-%d", time.Now().Year())
tmpdir := t.TempDir()
// Setup the plugin including the serializer
plugin := &File{
Remote: config.NewSecret([]byte("local:" + tmpdir)),
Files: []string{"test-{{now.Year}}"},
WriteBackInterval: config.Duration(100 * time.Millisecond),
Log: &testutil.Logger{},
}
plugin.SetSerializerFunc(func() (telegraf.Serializer, error) {
serializer := &influx.Serializer{}
err := serializer.Init()
return serializer, err
})
require.NoError(t, plugin.Init())
require.NoError(t, plugin.Connect())
defer plugin.Close()
// Write the input metrics and close the plugin. This is required to
// actually flush the data to disk
require.NoError(t, plugin.Write(input))
plugin.Close()
// Check the result
require.FileExists(t, filepath.Join(tmpdir, expectedFilename))
actual, err := os.ReadFile(filepath.Join(tmpdir, expectedFilename))
require.NoError(t, err)
require.Equal(t, expected, string(actual))
}
func TestCSVSerialization(t *testing.T) {
input := []telegraf.Metric{
metric.New(
"test",
map[string]string{"source": "a"},
map[string]interface{}{"value": 42},
time.Unix(1587686400, 0),
),
metric.New(
"test",
map[string]string{"source": "b"},
map[string]interface{}{"value": 23},
time.Unix(1587686400, 0),
),
}
expected := map[string]string{
"test-a.csv": "timestamp,measurement,source,value\n1587686400,test,a,42\n",
"test-b.csv": "timestamp,measurement,source,value\n1587686400,test,b,23\n",
}
tmpdir := t.TempDir()
// Setup the plugin including the serializer
plugin := &File{
Remote: config.NewSecret([]byte("local:" + tmpdir)),
Files: []string{`test-{{.Tag "source"}}.csv`},
WriteBackInterval: config.Duration(100 * time.Millisecond),
Log: &testutil.Logger{},
}
plugin.SetSerializerFunc(func() (telegraf.Serializer, error) {
serializer := &csv.Serializer{Header: true}
err := serializer.Init()
return serializer, err
})
require.NoError(t, plugin.Init())
require.NoError(t, plugin.Connect())
defer plugin.Close()
// Write the input metrics and close the plugin. This is required to
// actually flush the data to disk
require.NoError(t, plugin.Write(input))
plugin.Close()
// Check the result
for expectedFilename, expectedContent := range expected {
require.FileExists(t, filepath.Join(tmpdir, expectedFilename))
buf, err := os.ReadFile(filepath.Join(tmpdir, expectedFilename))
require.NoError(t, err)
actual := strings.ReplaceAll(string(buf), "\r\n", "\n")
require.Equal(t, expectedContent, actual)
}
require.Len(t, plugin.modified, 2)
require.Contains(t, plugin.modified, "test-a.csv")
require.Contains(t, plugin.modified, "test-b.csv")
require.Len(t, plugin.serializers, 2)
require.Contains(t, plugin.serializers, "test-a.csv")
require.Contains(t, plugin.serializers, "test-b.csv")
}
func TestForgettingFiles(t *testing.T) {
input := []telegraf.Metric{
metric.New(
"test",
map[string]string{"source": "a"},
map[string]interface{}{"value": 42},
time.Unix(1587686400, 0),
),
metric.New(
"test",
map[string]string{"source": "b"},
map[string]interface{}{"value": 23},
time.Unix(1587686400, 0),
),
}
tmpdir := t.TempDir()
// Setup the plugin including the serializer
plugin := &File{
Remote: config.NewSecret([]byte("local:" + tmpdir)),
Files: []string{`test-{{.Tag "source"}}.csv`},
WriteBackInterval: config.Duration(100 * time.Millisecond),
ForgetFiles: config.Duration(10 * time.Millisecond),
Log: &testutil.Logger{},
}
plugin.SetSerializerFunc(func() (telegraf.Serializer, error) {
serializer := &csv.Serializer{Header: true}
err := serializer.Init()
return serializer, err
})
require.NoError(t, plugin.Init())
require.NoError(t, plugin.Connect())
defer plugin.Close()
// Write the input metrics and close the plugin. This is required to
// actually flush the data to disk
require.NoError(t, plugin.Write(input[:1]))
time.Sleep(100 * time.Millisecond)
require.NoError(t, plugin.Write(input[1:]))
plugin.Close()
// Check the result
require.Len(t, plugin.modified, 1)
require.Contains(t, plugin.modified, "test-b.csv")
require.Len(t, plugin.serializers, 1)
require.Contains(t, plugin.serializers, "test-b.csv")
}
func TestTrackingMetrics(t *testing.T) {
// see issue #16045
inputRaw := []telegraf.Metric{
metric.New(
"test",
map[string]string{"source": "localhost"},
map[string]interface{}{"value": 23},
time.Unix(1719410465, 0),
),
metric.New(
"test",
map[string]string{"source": "remotehost"},
map[string]interface{}{"value": 21},
time.Unix(1719410465, 0),
),
metric.New(
"test",
map[string]string{"source": "localhost"},
map[string]interface{}{"value": 42},
time.Unix(1719410485, 0),
),
metric.New(
"test",
map[string]string{"source": "remotehost"},
map[string]interface{}{"value": 66},
time.Unix(1719410485, 0),
),
metric.New(
"test",
map[string]string{"source": "remotehost"},
map[string]interface{}{"value": 55},
time.Unix(1716310124, 0),
),
metric.New(
"test",
map[string]string{"source": "remotehost"},
map[string]interface{}{"value": 1},
time.Unix(1716310174, 0),
),
}
// Create tracking metrics as inputs for the test
var mu sync.Mutex
delivered := make([]telegraf.DeliveryInfo, 0, len(inputRaw))
notify := func(di telegraf.DeliveryInfo) {
mu.Lock()
defer mu.Unlock()
delivered = append(delivered, di)
}
input := make([]telegraf.Metric, 0, len(inputRaw))
for _, m := range inputRaw {
tm, _ := metric.WithTracking(m, notify)
input = append(input, tm)
}
// Create the expectations
expected := map[string][]string{
"localhost-2024-06-26": {
"test,source=localhost value=23i 1719410465000000000\n",
"test,source=localhost value=42i 1719410485000000000\n",
},
"remotehost-2024-06-26": {
"test,source=remotehost value=21i 1719410465000000000\n",
"test,source=remotehost value=66i 1719410485000000000\n",
},
"remotehost-2024-05-21": {
"test,source=remotehost value=55i 1716310124000000000\n",
"test,source=remotehost value=1i 1716310174000000000\n",
},
}
// Prepare the output filesystem
tmpdir := t.TempDir()
// Setup the plugin including the serializer
plugin := &File{
Remote: config.NewSecret([]byte("local:" + tmpdir)),
Files: []string{`{{.Tag "source"}}-{{.Time.Format "2006-01-02"}}`},
WriteBackInterval: config.Duration(100 * time.Millisecond),
Log: &testutil.Logger{},
}
plugin.SetSerializerFunc(func() (telegraf.Serializer, error) {
serializer := &influx.Serializer{}
err := serializer.Init()
return serializer, err
})
require.NoError(t, plugin.Init())
require.NoError(t, plugin.Connect())
defer plugin.Close()
// Write the input metrics and close the plugin. This is required to
// actually flush the data to disk
require.NoError(t, plugin.Write(input))
plugin.Close()
// Wait for the data to settle to disk
require.Eventually(t, func() bool {
ok := true
for fn := range expected {
_, err := os.Stat(filepath.Join(tmpdir, fn))
ok = ok && err == nil
}
return ok
}, 5*time.Second, 100*time.Millisecond)
// Check the result
for fn, lines := range expected {
tmpfn := filepath.Join(tmpdir, fn)
require.FileExists(t, tmpfn)
actual, err := os.ReadFile(tmpfn)
require.NoError(t, err)
require.Equal(t, strings.Join(lines, ""), string(actual))
}
// Simulate output acknowledging delivery
for _, m := range input {
m.Accept()
}
// Check delivery
require.Eventuallyf(t, func() bool {
mu.Lock()
defer mu.Unlock()
return len(input) == len(delivered)
}, time.Second, 100*time.Millisecond, "%d delivered but %d expected", len(delivered), len(expected))
}