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.Points = 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)
}
func TestMemStats(t *testing.T) {
var mps MockPS
var err error
defer mps.AssertExpectations(t)
var acc testutil.Accumulator
vms := &mem.VirtualMemoryStat{
Total: 12400,
Available: 7600,
Used: 5000,
Free: 1235,
// Active: 8134,
// Inactive: 1124,
// Buffers: 771,
// Cached: 4312,
// Wired: 134,
// Shared: 2142,
}
mps.On("VMStat").Return(vms, nil)
sms := &mem.SwapMemoryStat{
Total: 8123,
Used: 1232,
Free: 6412,
UsedPercent: 12.2,
Sin: 7,
Sout: 830,
}
mps.On("SwapStat").Return(sms, nil)
err = (&MemStats{&mps}).Gather(&acc)
require.NoError(t, err)
memfields := map[string]interface{}{
"total": uint64(12400),
"available": uint64(7600),
"used": uint64(5000),
"available_percent": float64(7600) / float64(12400) * 100,
"used_percent": float64(5000) / float64(12400) * 100,
"free": uint64(1235),
"cached": uint64(0),
"buffered": uint64(0),
}
acc.AssertContainsTaggedFields(t, "mem", memfields, make(map[string]string))
acc.Points = nil
err = (&SwapStats{&mps}).Gather(&acc)
require.NoError(t, err)
swapfields := map[string]interface{}{
"total": uint64(8123),
"used": uint64(1232),
"used_percent": float64(12.2),
"free": uint64(6412),
"in": uint64(7),
"out": uint64(830),
}
acc.AssertContainsTaggedFields(t, "swap", swapfields, make(map[string]string))
}
func TestZfsGeneratesMetrics(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(""), 0644)
require.NoError(t, err)
err = ioutil.WriteFile(testKstatPath+"/arcstats", []byte(arcstatsContents), 0644)
require.NoError(t, err)
err = ioutil.WriteFile(testKstatPath+"/zfetchstats", []byte(zfetchstatsContents), 0644)
require.NoError(t, err)
err = ioutil.WriteFile(testKstatPath+"/vdev_cache_stats", []byte(vdev_cache_statsContents), 0644)
require.NoError(t, err)
intMetrics := getKstatMetricsAll()
var acc testutil.Accumulator
//one pool, all metrics
tags := map[string]string{
"pools": "HOME",
}
z := &Zfs{KstatPath: testKstatPath}
err = z.Gather(&acc)
require.NoError(t, err)
acc.AssertContainsTaggedFields(t, "zfs", intMetrics, tags)
acc.Points = nil
//two pools, all metrics
err = os.MkdirAll(testKstatPath+"/STORAGE", 0755)
require.NoError(t, err)
err = ioutil.WriteFile(testKstatPath+"/STORAGE/io", []byte(""), 0644)
require.NoError(t, err)
tags = map[string]string{
"pools": "HOME::STORAGE",
}
z = &Zfs{KstatPath: testKstatPath}
acc = testutil.Accumulator{}
err = z.Gather(&acc)
require.NoError(t, err)
acc.AssertContainsTaggedFields(t, "zfs", intMetrics, tags)
acc.Points = nil
intMetrics = getKstatMetricsArcOnly()
//two pools, one metric
z = &Zfs{KstatPath: testKstatPath, KstatMetrics: []string{"arcstats"}}
acc = testutil.Accumulator{}
err = z.Gather(&acc)
require.NoError(t, err)
acc.AssertContainsTaggedFields(t, "zfs", intMetrics, tags)
err = os.RemoveAll(os.TempDir() + "/telegraf")
require.NoError(t, err)
}
func TestNetStats(t *testing.T) {
var mps MockPS
var err error
defer mps.AssertExpectations(t)
var acc testutil.Accumulator
netio := net.NetIOCountersStat{
Name: "eth0",
BytesSent: 1123,
BytesRecv: 8734422,
PacketsSent: 781,
PacketsRecv: 23456,
Errin: 832,
Errout: 8,
Dropin: 7,
Dropout: 1,
}
mps.On("NetIO").Return([]net.NetIOCountersStat{netio}, nil)
netprotos := []net.NetProtoCountersStat{
net.NetProtoCountersStat{
Protocol: "Udp",
Stats: map[string]int64{
"InDatagrams": 4655,
"NoPorts": 892592,
},
},
}
mps.On("NetProto").Return(netprotos, nil)
netstats := []net.NetConnectionStat{
net.NetConnectionStat{
Type: syscall.SOCK_DGRAM,
},
net.NetConnectionStat{
Status: "ESTABLISHED",
},
net.NetConnectionStat{
Status: "ESTABLISHED",
},
net.NetConnectionStat{
Status: "CLOSE",
},
}
mps.On("NetConnections").Return(netstats, nil)
err = (&NetIOStats{ps: &mps, skipChecks: true}).Gather(&acc)
require.NoError(t, err)
ntags := map[string]string{
"interface": "eth0",
}
fields1 := map[string]interface{}{
"bytes_sent": uint64(1123),
"bytes_recv": uint64(8734422),
"packets_sent": uint64(781),
"packets_recv": uint64(23456),
"err_in": uint64(832),
"err_out": uint64(8),
"drop_in": uint64(7),
"drop_out": uint64(1),
}
acc.AssertContainsTaggedFields(t, "net", fields1, ntags)
fields2 := map[string]interface{}{
"udp_noports": int64(892592),
"udp_indatagrams": int64(4655),
}
acc.AssertContainsTaggedFields(t, "net", fields2, make(map[string]string))
acc.Points = nil
err = (&NetStats{&mps}).Gather(&acc)
require.NoError(t, err)
fields3 := map[string]interface{}{
"tcp_established": 2,
"tcp_syn_sent": 0,
"tcp_syn_recv": 0,
"tcp_fin_wait1": 0,
"tcp_fin_wait2": 0,
"tcp_time_wait": 0,
"tcp_close": 1,
"tcp_close_wait": 0,
"tcp_last_ack": 0,
"tcp_listen": 0,
"tcp_closing": 0,
"tcp_none": 0,
"udp_socket": 1,
}
acc.AssertContainsTaggedFields(t, "netstat", fields3, make(map[string]string))
}