telegraf/plugins/system/docker_test.go

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// +build linux
package system
import (
"testing"
"github.com/influxdb/telegraf/testutil"
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"github.com/shirou/gopsutil/cpu"
"github.com/shirou/gopsutil/docker"
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"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestDockerStats_GenerateStats(t *testing.T) {
var mps MockPS
var acc testutil.Accumulator
ds := &DockerContainerStat{
Name: "blah",
CPU: &cpu.CPUTimesStat{
CPU: "all",
User: 3.1,
System: 8.2,
Idle: 80.1,
Nice: 1.3,
Iowait: 0.2,
Irq: 0.1,
Softirq: 0.11,
Steal: 0.0001,
Guest: 8.1,
GuestNice: 0.324,
},
Mem: &docker.CgroupMemStat{
ContainerID: "blah",
Cache: 1,
RSS: 2,
RSSHuge: 3,
MappedFile: 4,
Pgpgin: 5,
Pgpgout: 6,
Pgfault: 7,
Pgmajfault: 8,
InactiveAnon: 9,
ActiveAnon: 10,
InactiveFile: 11,
ActiveFile: 12,
Unevictable: 13,
HierarchicalMemoryLimit: 14,
TotalCache: 15,
TotalRSS: 16,
TotalRSSHuge: 17,
TotalMappedFile: 18,
TotalPgpgIn: 19,
TotalPgpgOut: 20,
TotalPgFault: 21,
TotalPgMajFault: 22,
TotalInactiveAnon: 23,
TotalActiveAnon: 24,
TotalInactiveFile: 25,
TotalActiveFile: 26,
TotalUnevictable: 27,
},
}
mps.On("DockerStat").Return([]*DockerContainerStat{ds}, nil)
err := (&DockerStats{&mps}).Gather(&acc)
require.NoError(t, err)
dockertags := map[string]string{
"name": "blah",
"id": "",
"command": "",
}
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fields := map[string]interface{}{
"user": 3.1,
"system": 8.2,
"idle": 80.1,
"nice": 1.3,
"iowait": 0.2,
"irq": 0.1,
"softirq": 0.11,
"steal": 0.0001,
"guest": 8.1,
"guest_nice": 0.324,
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"cache": uint64(1),
"rss": uint64(2),
"rss_huge": uint64(3),
"mapped_file": uint64(4),
"swap_in": uint64(5),
"swap_out": uint64(6),
"page_fault": uint64(7),
"page_major_fault": uint64(8),
"inactive_anon": uint64(9),
"active_anon": uint64(10),
"inactive_file": uint64(11),
"active_file": uint64(12),
"unevictable": uint64(13),
"memory_limit": uint64(14),
"total_cache": uint64(15),
"total_rss": uint64(16),
"total_rss_huge": uint64(17),
"total_mapped_file": uint64(18),
"total_swap_in": uint64(19),
"total_swap_out": uint64(20),
"total_page_fault": uint64(21),
"total_page_major_fault": uint64(22),
"total_inactive_anon": uint64(23),
"total_active_anon": uint64(24),
"total_inactive_file": uint64(25),
"total_active_file": uint64(26),
"total_unevictable": uint64(27),
}
acc.AssertContainsTaggedFields(t, "docker", fields, dockertags)
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}