Add additional metrics and reverse metric names option to openldap (#3722)

plugins/inputs/openldap/openldap_test.go

@@ -148,3 +148,24 @@ func commonTests(t *testing.T, o *Openldap, acc *testutil.Accumulator) {
 	assert.Equal(t, strconv.Itoa(o.Port), acc.TagValue("openldap", "port"), "Has a tag value of port=o.Port")
 	assert.True(t, acc.HasInt64Field("openldap", "total_connections"), "Has an integer field called total_connections")
 }
+
+func TestOpenldapReverseMetrics(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+
+	o := &Openldap{
+		Host:               testutil.GetLocalHost(),
+		Port:               389,
+		Ssl:                "",
+		InsecureSkipVerify: true,
+		BindDn:             "cn=manager,cn=config",
+		BindPassword:       "secret",
+		ReverseMetricNames: true,
+	}
+
+	var acc testutil.Accumulator
+	err := o.Gather(&acc)
+	require.NoError(t, err)
+	assert.True(t, acc.HasInt64Field("openldap", "connections_total"), "Has an integer field called connections_total")
+}