200 lines
6.1 KiB
Go
200 lines
6.1 KiB
Go
package rabbitmq
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import (
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"fmt"
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"net/http"
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"net/http/httptest"
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"testing"
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"io/ioutil"
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"github.com/influxdata/telegraf/testutil"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestRabbitMQGeneratesMetrics(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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var jsonFilePath string
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switch r.URL.Path {
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case "/api/overview":
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jsonFilePath = "testdata/overview.json"
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case "/api/nodes":
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jsonFilePath = "testdata/nodes.json"
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case "/api/queues":
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jsonFilePath = "testdata/queues.json"
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case "/api/exchanges":
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jsonFilePath = "testdata/exchanges.json"
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case "/api/healthchecks/node/rabbit@vagrant-ubuntu-trusty-64":
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jsonFilePath = "testdata/healthchecks.json"
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case "/api/federation-links":
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jsonFilePath = "testdata/federation-links.json"
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case "/api/nodes/rabbit@vagrant-ubuntu-trusty-64/memory":
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jsonFilePath = "testdata/memory.json"
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default:
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panic("Cannot handle request")
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}
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data, err := ioutil.ReadFile(jsonFilePath)
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if err != nil {
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panic(fmt.Sprintf("could not read from data file %s", jsonFilePath))
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}
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w.Write(data)
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}))
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defer ts.Close()
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r := &RabbitMQ{
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URL: ts.URL,
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}
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acc := &testutil.Accumulator{}
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err := acc.GatherError(r.Gather)
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require.NoError(t, err)
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overviewMetrics := map[string]interface{}{
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"messages": 5,
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"messages_ready": 32,
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"messages_unacked": 27,
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"messages_acked": 5246,
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"messages_delivered": 5234,
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"messages_delivered_get": 3333,
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"messages_published": 5258,
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"channels": 44,
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"connections": 44,
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"consumers": 65,
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"exchanges": 43,
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"queues": 62,
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"clustering_listeners": 2,
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"amqp_listeners": 2,
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"return_unroutable": 10,
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"return_unroutable_rate": 3.3,
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}
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compareMetrics(t, overviewMetrics, acc, "rabbitmq_overview")
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queuesMetrics := map[string]interface{}{
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"consumers": 3,
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"consumer_utilisation": 1.0,
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"memory": 143776,
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"message_bytes": 3,
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"message_bytes_ready": 4,
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"message_bytes_unacked": 5,
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"message_bytes_ram": 6,
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"message_bytes_persist": 7,
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"messages": 44,
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"messages_ready": 32,
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"messages_unack": 44,
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"messages_ack": 3457,
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"messages_ack_rate": 9.9,
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"messages_deliver": 22222,
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"messages_deliver_rate": 333.4,
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"messages_deliver_get": 3457,
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"messages_deliver_get_rate": 0.2,
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"messages_publish": 3457,
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"messages_publish_rate": 11.2,
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"messages_redeliver": 33,
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"messages_redeliver_rate": 2.5,
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"idle_since": "2015-11-01 8:22:14",
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}
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compareMetrics(t, queuesMetrics, acc, "rabbitmq_queue")
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nodeMetrics := map[string]interface{}{
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"disk_free": 3776,
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"disk_free_limit": 50000000,
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"disk_free_alarm": 0,
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"fd_total": 1024,
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"fd_used": 63,
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"mem_limit": 2503,
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"mem_used": 159707080,
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"mem_alarm": 1,
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"proc_total": 1048576,
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"proc_used": 783,
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"run_queue": 0,
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"sockets_total": 829,
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"sockets_used": 45,
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"uptime": 7464827,
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"running": 1,
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"health_check_status": 1,
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"mnesia_disk_tx_count": 16,
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"mnesia_ram_tx_count": 296,
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"mnesia_disk_tx_count_rate": 1.1,
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"mnesia_ram_tx_count_rate": 2.2,
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"gc_num": 57280132,
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"gc_bytes_reclaimed": 2533,
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"gc_num_rate": 274.2,
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"gc_bytes_reclaimed_rate": 16490856.3,
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"io_read_avg_time": 983,
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"io_read_avg_time_rate": 88.77,
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"io_read_bytes": 1111,
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"io_read_bytes_rate": 99.99,
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"io_write_avg_time": 134,
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"io_write_avg_time_rate": 4.32,
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"io_write_bytes": 823,
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"io_write_bytes_rate": 32.8,
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"mem_connection_readers": 1234,
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"mem_connection_writers": 5678,
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"mem_connection_channels": 1133,
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"mem_connection_other": 2840,
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"mem_queue_procs": 2840,
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"mem_queue_slave_procs": 0,
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"mem_plugins": 1755976,
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"mem_other_proc": 23056584,
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"mem_metrics": 196536,
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"mem_mgmt_db": 491272,
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"mem_mnesia": 115600,
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"mem_other_ets": 2121872,
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"mem_binary": 418848,
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"mem_msg_index": 42848,
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"mem_code": 25179322,
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"mem_atom": 1041593,
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"mem_other_system": 14741981,
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"mem_allocated_unused": 38208528,
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"mem_reserved_unallocated": 0,
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"mem_total": 83025920,
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}
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compareMetrics(t, nodeMetrics, acc, "rabbitmq_node")
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exchangeMetrics := map[string]interface{}{
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"messages_publish_in": 3678,
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"messages_publish_in_rate": 3.2,
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"messages_publish_out": 3677,
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"messages_publish_out_rate": 5.1,
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}
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compareMetrics(t, exchangeMetrics, acc, "rabbitmq_exchange")
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federationLinkMetrics := map[string]interface{}{
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"acks_uncommitted": 1,
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"consumers": 2,
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"messages_unacknowledged": 3,
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"messages_uncommitted": 4,
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"messages_unconfirmed": 5,
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"messages_confirm": 67,
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"messages_publish": 890,
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"messages_return_unroutable": 1,
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}
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compareMetrics(t, federationLinkMetrics, acc, "rabbitmq_federation")
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}
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func compareMetrics(t *testing.T, expectedMetrics map[string]interface{},
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accumulator *testutil.Accumulator, measurementKey string) {
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measurement, exist := accumulator.Get(measurementKey)
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assert.True(t, exist, "There is measurement %s", measurementKey)
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assert.Equal(t, len(expectedMetrics), len(measurement.Fields))
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for metricName, metricValue := range expectedMetrics {
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actualMetricValue := measurement.Fields[metricName]
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if accumulator.HasStringField(measurementKey, metricName) {
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assert.Equal(t, metricValue, actualMetricValue,
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"Metric name: %s", metricName)
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} else {
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assert.InDelta(t, metricValue, actualMetricValue, 0e5,
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"Metric name: %s", metricName)
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}
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}
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}
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