550 lines
14 KiB
Go
550 lines
14 KiB
Go
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package http_test
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import (
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"compress/gzip"
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"fmt"
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"io"
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"math/rand"
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"net"
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"net/http"
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"net/http/httptest"
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"net/url"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/config"
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common_http "github.com/influxdata/telegraf/plugins/common/http"
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"github.com/influxdata/telegraf/plugins/common/oauth"
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httpplugin "github.com/influxdata/telegraf/plugins/inputs/http"
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"github.com/influxdata/telegraf/plugins/parsers/csv"
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"github.com/influxdata/telegraf/plugins/parsers/influx"
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"github.com/influxdata/telegraf/plugins/parsers/json"
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"github.com/influxdata/telegraf/plugins/parsers/value"
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"github.com/influxdata/telegraf/testutil"
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)
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func TestHTTPWithJSONFormat(t *testing.T) {
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fakeServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path == "/endpoint" {
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if _, err := w.Write([]byte(simpleJSON)); err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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t.Error(err)
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return
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}
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} else {
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer fakeServer.Close()
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address := fakeServer.URL + "/endpoint"
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plugin := &httpplugin.HTTP{
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URLs: []string{address},
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Log: testutil.Logger{},
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}
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metricName := "metricName"
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plugin.SetParserFunc(func() (telegraf.Parser, error) {
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p := &json.Parser{MetricName: "metricName"}
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err := p.Init()
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return p, err
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})
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var acc testutil.Accumulator
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require.NoError(t, plugin.Init())
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require.NoError(t, acc.GatherError(plugin.Gather))
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require.Len(t, acc.Metrics, 1)
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// basic check to see if we got the right field, value and tag
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var metric = acc.Metrics[0]
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require.Equal(t, metric.Measurement, metricName)
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require.Len(t, acc.Metrics[0].Fields, 1)
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require.InDelta(t, 1.2, acc.Metrics[0].Fields["a"], testutil.DefaultDelta)
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require.Equal(t, acc.Metrics[0].Tags["url"], address)
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}
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func TestHTTPHeaders(t *testing.T) {
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header := "X-Special-Header"
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headerValue := "Special-Value"
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fakeServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path == "/endpoint" {
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if r.Header.Get(header) == headerValue {
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if _, err := w.Write([]byte(simpleJSON)); err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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t.Error(err)
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return
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}
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} else {
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w.WriteHeader(http.StatusForbidden)
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}
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} else {
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer fakeServer.Close()
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address := fakeServer.URL + "/endpoint"
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headerSecret := config.NewSecret([]byte(headerValue))
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plugin := &httpplugin.HTTP{
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URLs: []string{address},
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Headers: map[string]*config.Secret{header: &headerSecret},
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Log: testutil.Logger{},
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}
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plugin.SetParserFunc(func() (telegraf.Parser, error) {
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p := &json.Parser{MetricName: "metricName"}
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err := p.Init()
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return p, err
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})
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var acc testutil.Accumulator
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require.NoError(t, plugin.Init())
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require.NoError(t, acc.GatherError(plugin.Gather))
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}
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func TestHTTPContentLengthHeader(t *testing.T) {
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fakeServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path == "/endpoint" {
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if r.Header.Get("Content-Length") != "" {
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if _, err := w.Write([]byte(simpleJSON)); err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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t.Error(err)
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return
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}
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} else {
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w.WriteHeader(http.StatusForbidden)
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}
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} else {
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer fakeServer.Close()
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address := fakeServer.URL + "/endpoint"
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plugin := &httpplugin.HTTP{
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URLs: []string{address},
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Headers: map[string]*config.Secret{},
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Body: "{}",
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Log: testutil.Logger{},
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}
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plugin.SetParserFunc(func() (telegraf.Parser, error) {
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p := &json.Parser{MetricName: "metricName"}
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err := p.Init()
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return p, err
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})
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var acc testutil.Accumulator
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require.NoError(t, plugin.Init())
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require.NoError(t, acc.GatherError(plugin.Gather))
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}
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func TestInvalidStatusCode(t *testing.T) {
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fakeServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusNotFound)
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}))
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defer fakeServer.Close()
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address := fakeServer.URL + "/endpoint"
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plugin := &httpplugin.HTTP{
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URLs: []string{address},
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Log: testutil.Logger{},
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}
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plugin.SetParserFunc(func() (telegraf.Parser, error) {
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p := &json.Parser{MetricName: "metricName"}
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err := p.Init()
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return p, err
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})
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var acc testutil.Accumulator
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require.NoError(t, plugin.Init())
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require.Error(t, acc.GatherError(plugin.Gather))
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}
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func TestSuccessStatusCodes(t *testing.T) {
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fakeServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusAccepted)
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}))
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defer fakeServer.Close()
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address := fakeServer.URL + "/endpoint"
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plugin := &httpplugin.HTTP{
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URLs: []string{address},
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SuccessStatusCodes: []int{200, 202},
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Log: testutil.Logger{},
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}
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plugin.SetParserFunc(func() (telegraf.Parser, error) {
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p := &json.Parser{MetricName: "metricName"}
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err := p.Init()
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return p, err
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})
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var acc testutil.Accumulator
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require.NoError(t, plugin.Init())
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require.NoError(t, acc.GatherError(plugin.Gather))
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}
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func TestMethod(t *testing.T) {
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fakeServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method == "POST" {
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w.WriteHeader(http.StatusOK)
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} else {
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer fakeServer.Close()
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plugin := &httpplugin.HTTP{
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URLs: []string{fakeServer.URL},
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Method: "POST",
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Log: testutil.Logger{},
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}
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plugin.SetParserFunc(func() (telegraf.Parser, error) {
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p := &json.Parser{MetricName: "metricName"}
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err := p.Init()
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return p, err
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})
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var acc testutil.Accumulator
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require.NoError(t, plugin.Init())
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require.NoError(t, acc.GatherError(plugin.Gather))
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}
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const simpleJSON = `
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{
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"a": 1.2
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}
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`
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const simpleCSVWithHeader = `
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# Simple CSV with header(s)
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a,b,c
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1.2,3.1415,ok
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`
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func TestBodyAndContentEncoding(t *testing.T) {
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ts := httptest.NewServer(http.NotFoundHandler())
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defer ts.Close()
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address := "http://" + ts.Listener.Addr().String()
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tests := []struct {
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name string
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plugin *httpplugin.HTTP
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queryHandlerFunc func(t *testing.T, w http.ResponseWriter, r *http.Request)
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}{
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{
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name: "no body",
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plugin: &httpplugin.HTTP{
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Method: "POST",
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URLs: []string{address},
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Log: testutil.Logger{},
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},
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queryHandlerFunc: func(t *testing.T, w http.ResponseWriter, r *http.Request) {
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body, err := io.ReadAll(r.Body)
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require.NoError(t, err)
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require.Equal(t, []byte(""), body)
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w.WriteHeader(http.StatusOK)
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},
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},
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{
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name: "post body",
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plugin: &httpplugin.HTTP{
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URLs: []string{address},
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Method: "POST",
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Body: "test",
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Log: testutil.Logger{},
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},
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queryHandlerFunc: func(t *testing.T, w http.ResponseWriter, r *http.Request) {
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body, err := io.ReadAll(r.Body)
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require.NoError(t, err)
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require.Equal(t, []byte("test"), body)
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w.WriteHeader(http.StatusOK)
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},
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},
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{
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name: "get method body is sent",
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plugin: &httpplugin.HTTP{
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URLs: []string{address},
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Method: "GET",
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Body: "test",
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Log: testutil.Logger{},
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},
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queryHandlerFunc: func(t *testing.T, w http.ResponseWriter, r *http.Request) {
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body, err := io.ReadAll(r.Body)
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require.NoError(t, err)
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require.Equal(t, []byte("test"), body)
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w.WriteHeader(http.StatusOK)
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},
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},
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{
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name: "gzip encoding",
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plugin: &httpplugin.HTTP{
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URLs: []string{address},
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Method: "GET",
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Body: "test",
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ContentEncoding: "gzip",
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Log: testutil.Logger{},
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},
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queryHandlerFunc: func(t *testing.T, w http.ResponseWriter, r *http.Request) {
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require.Equal(t, "gzip", r.Header.Get("Content-Encoding"))
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gr, err := gzip.NewReader(r.Body)
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require.NoError(t, err)
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body, err := io.ReadAll(gr)
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require.NoError(t, err)
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require.Equal(t, []byte("test"), body)
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w.WriteHeader(http.StatusOK)
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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ts.Config.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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tt.queryHandlerFunc(t, w, r)
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})
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tt.plugin.SetParserFunc(func() (telegraf.Parser, error) {
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parser := &influx.Parser{}
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err := parser.Init()
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return parser, err
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})
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var acc testutil.Accumulator
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require.NoError(t, tt.plugin.Init())
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require.NoError(t, tt.plugin.Gather(&acc))
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})
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}
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}
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type testHandlerFunc func(t *testing.T, w http.ResponseWriter, r *http.Request)
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func TestOAuthClientCredentialsGrant(t *testing.T) {
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ts := httptest.NewServer(http.NotFoundHandler())
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defer ts.Close()
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var token = "2YotnFZFEjr1zCsicMWpAA"
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u, err := url.Parse("http://" + ts.Listener.Addr().String())
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require.NoError(t, err)
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tests := []struct {
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name string
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plugin *httpplugin.HTTP
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tokenHandler testHandlerFunc
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handler testHandlerFunc
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}{
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{
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name: "no credentials",
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plugin: &httpplugin.HTTP{
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URLs: []string{u.String()},
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Log: testutil.Logger{},
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},
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handler: func(t *testing.T, w http.ResponseWriter, r *http.Request) {
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require.Empty(t, r.Header["Authorization"])
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w.WriteHeader(http.StatusOK)
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},
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},
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{
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name: "success",
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plugin: &httpplugin.HTTP{
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URLs: []string{u.String() + "/write"},
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HTTPClientConfig: common_http.HTTPClientConfig{
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OAuth2Config: oauth.OAuth2Config{
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ClientID: "howdy",
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ClientSecret: "secret",
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TokenURL: u.String() + "/token",
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Scopes: []string{"urn:opc:idm:__myscopes__"},
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},
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},
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Log: testutil.Logger{},
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},
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tokenHandler: func(t *testing.T, w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusOK)
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values := url.Values{}
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values.Add("access_token", token)
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values.Add("token_type", "bearer")
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values.Add("expires_in", "3600")
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_, err := w.Write([]byte(values.Encode()))
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|
require.NoError(t, err)
|
||
|
|
},
|
||
|
|
handler: func(t *testing.T, w http.ResponseWriter, r *http.Request) {
|
||
|
|
require.Equal(t, []string{"Bearer " + token}, r.Header["Authorization"])
|
||
|
|
w.WriteHeader(http.StatusOK)
|
||
|
|
},
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
for _, tt := range tests {
|
||
|
|
t.Run(tt.name, func(t *testing.T) {
|
||
|
|
ts.Config.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||
|
|
switch r.URL.Path {
|
||
|
|
case "/write":
|
||
|
|
tt.handler(t, w, r)
|
||
|
|
case "/token":
|
||
|
|
tt.tokenHandler(t, w, r)
|
||
|
|
}
|
||
|
|
})
|
||
|
|
|
||
|
|
tt.plugin.SetParserFunc(func() (telegraf.Parser, error) {
|
||
|
|
p := &value.Parser{
|
||
|
|
MetricName: "metric",
|
||
|
|
DataType: "string",
|
||
|
|
}
|
||
|
|
err := p.Init()
|
||
|
|
return p, err
|
||
|
|
})
|
||
|
|
|
||
|
|
err = tt.plugin.Init()
|
||
|
|
require.NoError(t, err)
|
||
|
|
|
||
|
|
var acc testutil.Accumulator
|
||
|
|
err = tt.plugin.Gather(&acc)
|
||
|
|
require.NoError(t, err)
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestHTTPWithCSVFormat(t *testing.T) {
|
||
|
|
fakeServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||
|
|
if r.URL.Path == "/endpoint" {
|
||
|
|
if _, err := w.Write([]byte(simpleCSVWithHeader)); err != nil {
|
||
|
|
w.WriteHeader(http.StatusInternalServerError)
|
||
|
|
t.Error(err)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
w.WriteHeader(http.StatusNotFound)
|
||
|
|
}
|
||
|
|
}))
|
||
|
|
defer fakeServer.Close()
|
||
|
|
|
||
|
|
address := fakeServer.URL + "/endpoint"
|
||
|
|
plugin := &httpplugin.HTTP{
|
||
|
|
URLs: []string{address},
|
||
|
|
Log: testutil.Logger{},
|
||
|
|
}
|
||
|
|
|
||
|
|
plugin.SetParserFunc(func() (telegraf.Parser, error) {
|
||
|
|
parser := &csv.Parser{
|
||
|
|
MetricName: "metricName",
|
||
|
|
SkipRows: 3,
|
||
|
|
ColumnNames: []string{"a", "b", "c"},
|
||
|
|
TagColumns: []string{"c"},
|
||
|
|
}
|
||
|
|
err := parser.Init()
|
||
|
|
return parser, err
|
||
|
|
})
|
||
|
|
|
||
|
|
expected := []telegraf.Metric{
|
||
|
|
testutil.MustMetric("metricName",
|
||
|
|
map[string]string{
|
||
|
|
"url": address,
|
||
|
|
"c": "ok",
|
||
|
|
},
|
||
|
|
map[string]interface{}{
|
||
|
|
"a": 1.2,
|
||
|
|
"b": 3.1415,
|
||
|
|
},
|
||
|
|
time.Unix(0, 0),
|
||
|
|
),
|
||
|
|
}
|
||
|
|
|
||
|
|
var acc testutil.Accumulator
|
||
|
|
require.NoError(t, plugin.Init())
|
||
|
|
require.NoError(t, acc.GatherError(plugin.Gather))
|
||
|
|
testutil.RequireMetricsEqual(t, expected, acc.GetTelegrafMetrics(), testutil.IgnoreTime())
|
||
|
|
|
||
|
|
// Run the parser a second time to test for correct stateful handling
|
||
|
|
acc.ClearMetrics()
|
||
|
|
require.NoError(t, acc.GatherError(plugin.Gather))
|
||
|
|
testutil.RequireMetricsEqual(t, expected, acc.GetTelegrafMetrics(), testutil.IgnoreTime())
|
||
|
|
}
|
||
|
|
|
||
|
|
const (
|
||
|
|
httpOverUnixScheme = "http+unix"
|
||
|
|
)
|
||
|
|
|
||
|
|
func TestConnectionOverUnixSocket(t *testing.T) {
|
||
|
|
ts := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||
|
|
if r.URL.Path == "/data" {
|
||
|
|
w.Header().Set("Content-Type", "text/csv")
|
||
|
|
if _, err := w.Write([]byte(simpleCSVWithHeader)); err != nil {
|
||
|
|
w.WriteHeader(http.StatusInternalServerError)
|
||
|
|
t.Error(err)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
w.WriteHeader(http.StatusNotFound)
|
||
|
|
}
|
||
|
|
}))
|
||
|
|
|
||
|
|
// The Maximum length of the socket path is 104/108 characters, path created with t.TempDir() is too long for some cases
|
||
|
|
// (it combines test name with subtest name and some random numbers in the path). Therefore, in this case, it is safer to stick with `os.MkdirTemp()`.
|
||
|
|
//nolint:usetesting // Ignore "os.TempDir() could be replaced by t.TempDir() in TestConnectionOverUnixSocket" finding.
|
||
|
|
unixListenAddr := filepath.Join(os.TempDir(), fmt.Sprintf("httptestserver.%d.sock", rand.Intn(1_000_000)))
|
||
|
|
t.Cleanup(func() { os.Remove(unixListenAddr) })
|
||
|
|
|
||
|
|
unixListener, err := net.Listen("unix", unixListenAddr)
|
||
|
|
require.NoError(t, err)
|
||
|
|
|
||
|
|
ts.Listener = unixListener
|
||
|
|
ts.Start()
|
||
|
|
defer ts.Close()
|
||
|
|
|
||
|
|
// NOTE: Remove ":" from windows filepath and replace all "\" with "/".
|
||
|
|
// This is *required* so that the unix socket path plays well with unixtransport.
|
||
|
|
replacer := strings.NewReplacer(":", "", "\\", "/")
|
||
|
|
sockPath := replacer.Replace(unixListenAddr)
|
||
|
|
|
||
|
|
address := fmt.Sprintf("%s://%s:/data", httpOverUnixScheme, sockPath)
|
||
|
|
plugin := &httpplugin.HTTP{
|
||
|
|
URLs: []string{address},
|
||
|
|
Log: testutil.Logger{},
|
||
|
|
}
|
||
|
|
|
||
|
|
plugin.SetParserFunc(func() (telegraf.Parser, error) {
|
||
|
|
parser := &csv.Parser{
|
||
|
|
MetricName: "metricName",
|
||
|
|
SkipRows: 3,
|
||
|
|
ColumnNames: []string{"a", "b", "c"},
|
||
|
|
TagColumns: []string{"c"},
|
||
|
|
}
|
||
|
|
err := parser.Init()
|
||
|
|
return parser, err
|
||
|
|
})
|
||
|
|
|
||
|
|
expected := []telegraf.Metric{
|
||
|
|
testutil.MustMetric("metricName",
|
||
|
|
map[string]string{
|
||
|
|
"url": address,
|
||
|
|
"c": "ok",
|
||
|
|
},
|
||
|
|
map[string]interface{}{
|
||
|
|
"a": 1.2,
|
||
|
|
"b": 3.1415,
|
||
|
|
},
|
||
|
|
time.Unix(22000, 0),
|
||
|
|
),
|
||
|
|
}
|
||
|
|
|
||
|
|
var acc testutil.Accumulator
|
||
|
|
require.NoError(t, plugin.Init())
|
||
|
|
require.NoError(t, acc.GatherError(plugin.Gather))
|
||
|
|
testutil.RequireMetricsEqual(t, expected, acc.GetTelegrafMetrics(), testutil.IgnoreTime())
|
||
|
|
|
||
|
|
// Run the parser a second time to test for correct stateful handling
|
||
|
|
acc.ClearMetrics()
|
||
|
|
require.NoError(t, acc.GatherError(plugin.Gather))
|
||
|
|
testutil.RequireMetricsEqual(t, expected, acc.GetTelegrafMetrics(), testutil.IgnoreTime())
|
||
|
|
}
|