func TestGather(t *testing.T) {
duration, _ := time.ParseDuration("1m")
internalDuration := internal.Duration{
Duration: duration,
}
c := &CloudWatch{
Region: "us-east-1",
Namespace: "AWS/ELB",
Delay: internalDuration,
Period: internalDuration,
RateLimit: 10,
}
var acc testutil.Accumulator
c.client = &mockCloudWatchClient{}
c.Gather(&acc)
fields := map[string]interface{}{}
fields["latency_minimum"] = 0.1
fields["latency_maximum"] = 0.3
fields["latency_average"] = 0.2
fields["latency_sum"] = 123.0
fields["latency_sample_count"] = 100.0
tags := map[string]string{}
tags["unit"] = "seconds"
tags["region"] = "us-east-1"
tags["load_balancer_name"] = "p-example"
assert.True(t, acc.HasMeasurement("cloudwatch_aws_elb"))
acc.AssertContainsTaggedFields(t, "cloudwatch_aws_elb", fields, tags)
}
func TestZfsPoolMetrics(t *testing.T) {
var acc testutil.Accumulator
z := &Zfs{
KstatMetrics: []string{"vdev_cache_stats"},
sysctl: mock_sysctl,
zpool: mock_zpool,
}
err := z.Gather(&acc)
require.NoError(t, err)
require.False(t, acc.HasMeasurement("zfs_pool"))
acc.Metrics = nil
z = &Zfs{
KstatMetrics: []string{"vdev_cache_stats"},
PoolMetrics: true,
sysctl: mock_sysctl,
zpool: mock_zpool,
}
err = z.Gather(&acc)
require.NoError(t, err)
//one pool, all metrics
tags := map[string]string{
"pool": "freenas-boot",
"health": "ONLINE",
}
poolMetrics := getFreeNasBootPoolMetrics()
acc.AssertContainsTaggedFields(t, "zfs_pool", poolMetrics, tags)
}
func TestMysqlDefaultsToLocal(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
m := &Mysql{
Servers: []string{fmt.Sprintf("root@tcp(%s:3306)/", testutil.GetLocalHost())},
}
var acc testutil.Accumulator
err := m.Gather(&acc)
require.NoError(t, err)
assert.True(t, acc.HasMeasurement("mysql"))
}
func TestAerospikeStatistics(t *testing.T) {
if testing.Short() {
t.Skip("Skipping aerospike integration tests.")
}
a := &Aerospike{
Servers: []string{testutil.GetLocalHost() + ":3000"},
}
var acc testutil.Accumulator
err := a.Gather(&acc)
require.NoError(t, err)
assert.True(t, acc.HasMeasurement("aerospike_node"))
assert.True(t, acc.HasMeasurement("aerospike_namespace"))
assert.True(t, acc.HasIntField("aerospike_node", "batch_error"))
}
func TestPostgresqlIgnoresUnwantedColumns(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
p := &Postgresql{
Address: fmt.Sprintf("host=%s user=postgres sslmode=disable",
testutil.GetLocalHost()),
}
var acc testutil.Accumulator
err := p.Gather(&acc)
require.NoError(t, err)
for col := range p.IgnoredColumns() {
assert.False(t, acc.HasMeasurement(col))
}
}
func TestZfsPoolMetrics(t *testing.T) {
err := os.MkdirAll(testKstatPath, 0755)
require.NoError(t, err)
err = os.MkdirAll(testKstatPath+"/HOME", 0755)
require.NoError(t, err)
err = ioutil.WriteFile(testKstatPath+"/HOME/io", []byte(pool_ioContents), 0644)
require.NoError(t, err)
err = ioutil.WriteFile(testKstatPath+"/arcstats", []byte(arcstatsContents), 0644)
require.NoError(t, err)
poolMetrics := getPoolMetrics()
var acc testutil.Accumulator
z := &Zfs{KstatPath: testKstatPath, KstatMetrics: []string{"arcstats"}}
err = z.Gather(&acc)
require.NoError(t, err)
require.False(t, acc.HasMeasurement("zfs_pool"))
acc.Metrics = nil
z = &Zfs{KstatPath: testKstatPath, KstatMetrics: []string{"arcstats"}, PoolMetrics: true}
err = z.Gather(&acc)
require.NoError(t, err)
//one pool, all metrics
tags := map[string]string{
"pool": "HOME",
}
acc.AssertContainsTaggedFields(t, "zfs_pool", poolMetrics, tags)
err = os.RemoveAll(os.TempDir() + "/telegraf")
require.NoError(t, err)
}
// Test that a fatal ping command does not gather any statistics.
func TestFatalPingGather(t *testing.T) {
var acc testutil.Accumulator
p := Ping{
Urls: []string{"www.amazon.com"},
pingHost: mockFatalHostPinger,
}
p.Gather(&acc)
assert.False(t, acc.HasMeasurement("packets_transmitted"),
"Fatal ping should not have packet measurements")
assert.False(t, acc.HasMeasurement("packets_received"),
"Fatal ping should not have packet measurements")
assert.False(t, acc.HasMeasurement("percent_packet_loss"),
"Fatal ping should not have packet measurements")
assert.False(t, acc.HasMeasurement("average_response_ms"),
"Fatal ping should not have packet measurements")
}
func TestRabbitMQGeneratesMetrics(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
var rsp string
switch r.URL.Path {
case "/api/overview":
rsp = sampleOverviewResponse
case "/api/nodes":
rsp = sampleNodesResponse
case "/api/queues":
rsp = sampleQueuesResponse
default:
panic("Cannot handle request")
}
fmt.Fprintln(w, rsp)
}))
defer ts.Close()
r := &RabbitMQ{
URL: ts.URL,
}
var acc testutil.Accumulator
err := r.Gather(&acc)
require.NoError(t, err)
intMetrics := []string{
"messages",
"messages_ready",
"messages_unacked",
"messages_acked",
"messages_delivered",
"messages_published",
"channels",
"connections",
"consumers",
"exchanges",
"queues",
}
for _, metric := range intMetrics {
assert.True(t, acc.HasIntField("rabbitmq_overview", metric))
}
nodeIntMetrics := []string{
"disk_free",
"disk_free_limit",
"fd_total",
"fd_used",
"mem_limit",
"mem_used",
"proc_total",
"proc_used",
"run_queue",
"sockets_total",
"sockets_used",
}
for _, metric := range nodeIntMetrics {
assert.True(t, acc.HasIntField("rabbitmq_node", metric))
}
assert.True(t, acc.HasMeasurement("rabbitmq_queue"))
}