Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/inputs/raindrops/raindrops_test.go

@@ -0,0 +1,107 @@
+package raindrops
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/influxdata/telegraf/testutil"
+)
+
+const sampleResponse = `
+calling: 100
+writing: 200
+0.0.0.0:8080 active: 1
+0.0.0.0:8080 queued: 2
+0.0.0.0:8081 active: 3
+0.0.0.0:8081 queued: 4
+127.0.0.1:8082 active: 5
+127.0.0.1:8082 queued: 6
+0.0.0.0:8083 active: 7
+0.0.0.0:8083 queued: 8
+0.0.0.0:8084 active: 9
+0.0.0.0:8084 queued: 10
+0.0.0.0:3000 active: 11
+0.0.0.0:3000 queued: 12
+/tmp/listen.me active: 13
+/tmp/listen.me queued: 14`
+
+// Verify that raindrops tags are properly parsed based on the server
+func TestRaindropsTags(t *testing.T) {
+	urls := []string{"http://localhost/_raindrops", "http://localhost:80/_raindrops"}
+	for _, url1 := range urls {
+		addr, err := url.Parse(url1)
+		require.NoError(t, err)
+		tagMap := getTags(addr)
+		require.Contains(t, tagMap["server"], "localhost")
+	}
+}
+
+func TestRaindropsGeneratesMetrics(t *testing.T) {
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/_raindrops" {
+			w.WriteHeader(http.StatusInternalServerError)
+			t.Errorf("Cannot handle request, expected: %q, actual: %q", "/_raindrops", r.URL.Path)
+			return
+		}
+
+		if _, err := fmt.Fprintln(w, sampleResponse); err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			t.Error(err)
+			return
+		}
+	}))
+	defer ts.Close()
+
+	n := &Raindrops{
+		Urls: []string{ts.URL + "/_raindrops"},
+		httpClient: &http.Client{Transport: &http.Transport{
+			ResponseHeaderTimeout: 3 * time.Second,
+		}},
+	}
+
+	var acc testutil.Accumulator
+
+	err := acc.GatherError(n.Gather)
+	require.NoError(t, err)
+
+	fields := map[string]interface{}{
+		"calling": uint64(100),
+		"writing": uint64(200),
+	}
+	addr, err := url.Parse(ts.URL)
+	if err != nil {
+		panic(err)
+	}
+
+	host, port, err := net.SplitHostPort(addr.Host)
+	if err != nil {
+		host = addr.Host
+		if addr.Scheme == "http" {
+			port = "80"
+		} else if addr.Scheme == "https" {
+			port = "443"
+		} else {
+			port = ""
+		}
+	}
+
+	tags := map[string]string{"server": host, "port": port}
+	acc.AssertContainsTaggedFields(t, "raindrops", fields, tags)
+
+	tags = map[string]string{
+		"port": "8081",
+		"ip":   "0.0.0.0",
+	}
+	fields = map[string]interface{}{
+		"active": uint64(3),
+		"queued": uint64(4),
+	}
+	acc.AssertContainsTaggedFields(t, "raindrops_listen", fields, tags)
+}