435 lines
15 KiB
Go
435 lines
15 KiB
Go
package system
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import (
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"io"
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"io/ioutil"
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"strings"
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"testing"
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"time"
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"golang.org/x/net/context"
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"github.com/docker/engine-api/types"
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"github.com/docker/engine-api/types/registry"
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"github.com/influxdata/telegraf/testutil"
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"github.com/stretchr/testify/require"
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)
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func TestDockerGatherContainerStats(t *testing.T) {
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var acc testutil.Accumulator
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stats := testStats()
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tags := map[string]string{
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"container_name": "redis",
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"container_image": "redis/image",
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}
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gatherContainerStats(stats, &acc, tags, "123456789")
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// test docker_container_net measurement
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netfields := map[string]interface{}{
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"rx_dropped": uint64(1),
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"rx_bytes": uint64(2),
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"rx_errors": uint64(3),
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"tx_packets": uint64(4),
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"tx_dropped": uint64(1),
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"rx_packets": uint64(2),
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"tx_errors": uint64(3),
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"tx_bytes": uint64(4),
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"container_id": "123456789",
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}
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nettags := copyTags(tags)
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nettags["network"] = "eth0"
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acc.AssertContainsTaggedFields(t, "docker_container_net", netfields, nettags)
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// test docker_blkio measurement
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blkiotags := copyTags(tags)
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blkiotags["device"] = "6:0"
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blkiofields := map[string]interface{}{
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"io_service_bytes_recursive_read": uint64(100),
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"io_serviced_recursive_write": uint64(101),
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"container_id": "123456789",
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}
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acc.AssertContainsTaggedFields(t, "docker_container_blkio", blkiofields, blkiotags)
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// test docker_container_mem measurement
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memfields := map[string]interface{}{
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"max_usage": uint64(1001),
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"usage": uint64(1111),
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"fail_count": uint64(1),
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"limit": uint64(2000),
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"total_pgmafault": uint64(0),
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"cache": uint64(0),
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"mapped_file": uint64(0),
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"total_inactive_file": uint64(0),
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"pgpgout": uint64(0),
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"rss": uint64(0),
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"total_mapped_file": uint64(0),
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"writeback": uint64(0),
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"unevictable": uint64(0),
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"pgpgin": uint64(0),
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"total_unevictable": uint64(0),
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"pgmajfault": uint64(0),
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"total_rss": uint64(44),
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"total_rss_huge": uint64(444),
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"total_writeback": uint64(55),
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"total_inactive_anon": uint64(0),
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"rss_huge": uint64(0),
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"hierarchical_memory_limit": uint64(0),
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"total_pgfault": uint64(0),
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"total_active_file": uint64(0),
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"active_anon": uint64(0),
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"total_active_anon": uint64(0),
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"total_pgpgout": uint64(0),
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"total_cache": uint64(0),
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"inactive_anon": uint64(0),
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"active_file": uint64(1),
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"pgfault": uint64(2),
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"inactive_file": uint64(3),
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"total_pgpgin": uint64(4),
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"usage_percent": float64(55.55),
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"container_id": "123456789",
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}
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acc.AssertContainsTaggedFields(t, "docker_container_mem", memfields, tags)
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// test docker_container_cpu measurement
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cputags := copyTags(tags)
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cputags["cpu"] = "cpu-total"
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cpufields := map[string]interface{}{
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"usage_total": uint64(500),
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"usage_in_usermode": uint64(100),
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"usage_in_kernelmode": uint64(200),
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"usage_system": uint64(100),
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"throttling_periods": uint64(1),
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"throttling_throttled_periods": uint64(0),
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"throttling_throttled_time": uint64(0),
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"usage_percent": float64(400.0),
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"container_id": "123456789",
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}
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acc.AssertContainsTaggedFields(t, "docker_container_cpu", cpufields, cputags)
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cputags["cpu"] = "cpu0"
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cpu0fields := map[string]interface{}{
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"usage_total": uint64(1),
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"container_id": "123456789",
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}
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acc.AssertContainsTaggedFields(t, "docker_container_cpu", cpu0fields, cputags)
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cputags["cpu"] = "cpu1"
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cpu1fields := map[string]interface{}{
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"usage_total": uint64(1002),
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"container_id": "123456789",
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}
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acc.AssertContainsTaggedFields(t, "docker_container_cpu", cpu1fields, cputags)
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}
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func testStats() *types.StatsJSON {
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stats := &types.StatsJSON{}
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stats.Read = time.Now()
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stats.Networks = make(map[string]types.NetworkStats)
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stats.CPUStats.CPUUsage.PercpuUsage = []uint64{1, 1002}
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stats.CPUStats.CPUUsage.UsageInUsermode = 100
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stats.CPUStats.CPUUsage.TotalUsage = 500
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stats.CPUStats.CPUUsage.UsageInKernelmode = 200
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stats.CPUStats.SystemUsage = 100
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stats.CPUStats.ThrottlingData.Periods = 1
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stats.PreCPUStats.CPUUsage.TotalUsage = 400
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stats.PreCPUStats.SystemUsage = 50
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stats.MemoryStats.Stats = make(map[string]uint64)
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stats.MemoryStats.Stats["total_pgmajfault"] = 0
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stats.MemoryStats.Stats["cache"] = 0
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stats.MemoryStats.Stats["mapped_file"] = 0
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stats.MemoryStats.Stats["total_inactive_file"] = 0
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stats.MemoryStats.Stats["pagpgout"] = 0
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stats.MemoryStats.Stats["rss"] = 0
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stats.MemoryStats.Stats["total_mapped_file"] = 0
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stats.MemoryStats.Stats["writeback"] = 0
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stats.MemoryStats.Stats["unevictable"] = 0
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stats.MemoryStats.Stats["pgpgin"] = 0
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stats.MemoryStats.Stats["total_unevictable"] = 0
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stats.MemoryStats.Stats["pgmajfault"] = 0
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stats.MemoryStats.Stats["total_rss"] = 44
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stats.MemoryStats.Stats["total_rss_huge"] = 444
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stats.MemoryStats.Stats["total_write_back"] = 55
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stats.MemoryStats.Stats["total_inactive_anon"] = 0
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stats.MemoryStats.Stats["rss_huge"] = 0
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stats.MemoryStats.Stats["hierarchical_memory_limit"] = 0
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stats.MemoryStats.Stats["total_pgfault"] = 0
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stats.MemoryStats.Stats["total_active_file"] = 0
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stats.MemoryStats.Stats["active_anon"] = 0
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stats.MemoryStats.Stats["total_active_anon"] = 0
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stats.MemoryStats.Stats["total_pgpgout"] = 0
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stats.MemoryStats.Stats["total_cache"] = 0
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stats.MemoryStats.Stats["inactive_anon"] = 0
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stats.MemoryStats.Stats["active_file"] = 1
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stats.MemoryStats.Stats["pgfault"] = 2
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stats.MemoryStats.Stats["inactive_file"] = 3
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stats.MemoryStats.Stats["total_pgpgin"] = 4
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stats.MemoryStats.MaxUsage = 1001
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stats.MemoryStats.Usage = 1111
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stats.MemoryStats.Failcnt = 1
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stats.MemoryStats.Limit = 2000
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stats.Networks["eth0"] = types.NetworkStats{
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RxDropped: 1,
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RxBytes: 2,
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RxErrors: 3,
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TxPackets: 4,
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TxDropped: 1,
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RxPackets: 2,
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TxErrors: 3,
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TxBytes: 4,
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}
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sbr := types.BlkioStatEntry{
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Major: 6,
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Minor: 0,
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Op: "read",
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Value: 100,
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}
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sr := types.BlkioStatEntry{
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Major: 6,
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Minor: 0,
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Op: "write",
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Value: 101,
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}
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stats.BlkioStats.IoServiceBytesRecursive = append(
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stats.BlkioStats.IoServiceBytesRecursive, sbr)
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stats.BlkioStats.IoServicedRecursive = append(
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stats.BlkioStats.IoServicedRecursive, sr)
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return stats
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}
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type FakeDockerClient struct {
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}
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func (d FakeDockerClient) Info(ctx context.Context) (types.Info, error) {
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env := types.Info{
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Containers: 108,
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OomKillDisable: false,
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SystemTime: "2016-02-24T00:55:09.15073105-05:00",
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NEventsListener: 0,
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ID: "5WQQ:TFWR:FDNG:OKQ3:37Y4:FJWG:QIKK:623T:R3ME:QTKB:A7F7:OLHD",
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Debug: false,
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LoggingDriver: "json-file",
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KernelVersion: "4.3.0-1-amd64",
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IndexServerAddress: "https://index.docker.io/v1/",
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MemTotal: 3840757760,
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Images: 199,
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CPUCfsQuota: true,
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Name: "absol",
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SwapLimit: false,
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IPv4Forwarding: true,
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ExecutionDriver: "native-0.2",
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ExperimentalBuild: false,
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CPUCfsPeriod: true,
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RegistryConfig: ®istry.ServiceConfig{
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IndexConfigs: map[string]*registry.IndexInfo{
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"docker.io": {
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Name: "docker.io",
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Mirrors: []string{},
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Official: true,
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Secure: true,
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},
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}, InsecureRegistryCIDRs: []*registry.NetIPNet{{IP: []byte{127, 0, 0, 0}, Mask: []byte{255, 0, 0, 0}}}, Mirrors: []string{}},
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OperatingSystem: "Linux Mint LMDE (containerized)",
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BridgeNfIptables: true,
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HTTPSProxy: "",
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Labels: []string{},
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MemoryLimit: false,
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DriverStatus: [][2]string{{"Pool Name", "docker-8:1-1182287-pool"}, {"Pool Blocksize", "65.54 kB"}, {"Backing Filesystem", "extfs"}, {"Data file", "/dev/loop0"}, {"Metadata file", "/dev/loop1"}, {"Data Space Used", "17.3 GB"}, {"Data Space Total", "107.4 GB"}, {"Data Space Available", "36.53 GB"}, {"Metadata Space Used", "20.97 MB"}, {"Metadata Space Total", "2.147 GB"}, {"Metadata Space Available", "2.127 GB"}, {"Udev Sync Supported", "true"}, {"Deferred Removal Enabled", "false"}, {"Data loop file", "/var/lib/docker/devicemapper/devicemapper/data"}, {"Metadata loop file", "/var/lib/docker/devicemapper/devicemapper/metadata"}, {"Library Version", "1.02.115 (2016-01-25)"}},
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NFd: 19,
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HTTPProxy: "",
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Driver: "devicemapper",
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NGoroutines: 39,
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NCPU: 4,
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DockerRootDir: "/var/lib/docker",
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NoProxy: "",
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BridgeNfIP6tables: true,
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}
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return env, nil
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}
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func (d FakeDockerClient) ContainerList(octx context.Context, options types.ContainerListOptions) ([]types.Container, error) {
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container1 := types.Container{
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ID: "e2173b9478a6ae55e237d4d74f8bbb753f0817192b5081334dc78476296b7dfb",
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Names: []string{"/etcd"},
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Image: "quay.io/coreos/etcd:v2.2.2",
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Command: "/etcd -name etcd0 -advertise-client-urls http://localhost:2379 -listen-client-urls http://0.0.0.0:2379",
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Created: 1455941930,
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Status: "Up 4 hours",
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Ports: []types.Port{
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types.Port{
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PrivatePort: 7001,
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PublicPort: 0,
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Type: "tcp",
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},
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types.Port{
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PrivatePort: 4001,
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PublicPort: 0,
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Type: "tcp",
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},
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types.Port{
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PrivatePort: 2380,
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PublicPort: 0,
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Type: "tcp",
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},
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types.Port{
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PrivatePort: 2379,
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PublicPort: 2379,
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Type: "tcp",
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IP: "0.0.0.0",
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},
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},
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SizeRw: 0,
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SizeRootFs: 0,
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}
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container2 := types.Container{
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ID: "b7dfbb9478a6ae55e237d4d74f8bbb753f0817192b5081334dc78476296e2173",
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Names: []string{"/etcd2"},
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Image: "quay.io/coreos/etcd:v2.2.2",
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Command: "/etcd -name etcd2 -advertise-client-urls http://localhost:2379 -listen-client-urls http://0.0.0.0:2379",
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Created: 1455941933,
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Status: "Up 4 hours",
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Ports: []types.Port{
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types.Port{
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PrivatePort: 7002,
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PublicPort: 0,
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Type: "tcp",
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},
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types.Port{
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PrivatePort: 4002,
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PublicPort: 0,
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Type: "tcp",
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},
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types.Port{
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PrivatePort: 2381,
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PublicPort: 0,
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Type: "tcp",
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},
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types.Port{
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PrivatePort: 2382,
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PublicPort: 2382,
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Type: "tcp",
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IP: "0.0.0.0",
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},
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},
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SizeRw: 0,
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SizeRootFs: 0,
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}
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containers := []types.Container{container1, container2}
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return containers, nil
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//#{e6a96c84ca91a5258b7cb752579fb68826b68b49ff957487695cd4d13c343b44 titilambert/snmpsim /bin/sh -c 'snmpsimd --agent-udpv4-endpoint=0.0.0.0:31161 --process-user=root --process-group=user' 1455724831 Up 4 hours [{31161 31161 udp 0.0.0.0}] 0 0 [/snmp] map[]}]2016/02/24 01:05:01 Gathered metrics, (3s interval), from 1 inputs in 1.233836656s
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}
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func (d FakeDockerClient) ContainerStats(ctx context.Context, containerID string, stream bool) (io.ReadCloser, error) {
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var stat io.ReadCloser
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jsonStat := `{"read":"2016-02-24T11:42:27.472459608-05:00","memory_stats":{"stats":{},"limit":18935443456},"blkio_stats":{"io_service_bytes_recursive":[{"major":252,"minor":1,"op":"Read","value":753664},{"major":252,"minor":1,"op":"Write"},{"major":252,"minor":1,"op":"Sync"},{"major":252,"minor":1,"op":"Async","value":753664},{"major":252,"minor":1,"op":"Total","value":753664}],"io_serviced_recursive":[{"major":252,"minor":1,"op":"Read","value":26},{"major":252,"minor":1,"op":"Write"},{"major":252,"minor":1,"op":"Sync"},{"major":252,"minor":1,"op":"Async","value":26},{"major":252,"minor":1,"op":"Total","value":26}]},"cpu_stats":{"cpu_usage":{"percpu_usage":[17871,4959158,1646137,1231652,11829401,244656,369972,0],"usage_in_usermode":10000000,"total_usage":20298847},"system_cpu_usage":24052607520000000,"throttling_data":{}},"precpu_stats":{"cpu_usage":{"percpu_usage":[17871,4959158,1646137,1231652,11829401,244656,369972,0],"usage_in_usermode":10000000,"total_usage":20298847},"system_cpu_usage":24052599550000000,"throttling_data":{}}}`
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stat = ioutil.NopCloser(strings.NewReader(jsonStat))
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return stat, nil
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}
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func TestDockerGatherInfo(t *testing.T) {
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var acc testutil.Accumulator
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client := FakeDockerClient{}
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d := Docker{client: client}
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err := d.Gather(&acc)
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require.NoError(t, err)
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acc.AssertContainsTaggedFields(t,
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"docker",
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map[string]interface{}{
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"n_listener_events": int(0),
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"n_cpus": int(4),
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"n_used_file_descriptors": int(19),
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"n_containers": int(108),
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"n_images": int(199),
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"n_goroutines": int(39),
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},
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map[string]string{},
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)
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acc.AssertContainsTaggedFields(t,
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"docker_data",
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map[string]interface{}{
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"used": int64(17300000000),
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"total": int64(107400000000),
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"available": int64(36530000000),
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},
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map[string]string{
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"unit": "bytes",
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},
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)
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acc.AssertContainsTaggedFields(t,
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"docker_container_cpu",
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map[string]interface{}{
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"usage_total": uint64(1231652),
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"container_id": "b7dfbb9478a6ae55e237d4d74f8bbb753f0817192b5081334dc78476296e2173",
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},
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map[string]string{
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"container_name": "etcd2",
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"container_image": "quay.io/coreos/etcd",
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"cpu": "cpu3",
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"container_version": "v2.2.2",
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},
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)
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acc.AssertContainsTaggedFields(t,
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"docker_container_mem",
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map[string]interface{}{
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"total_pgpgout": uint64(0),
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"usage_percent": float64(0),
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"rss": uint64(0),
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"total_writeback": uint64(0),
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"active_anon": uint64(0),
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"total_pgmafault": uint64(0),
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"total_rss": uint64(0),
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"total_unevictable": uint64(0),
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"active_file": uint64(0),
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"total_mapped_file": uint64(0),
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"pgpgin": uint64(0),
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"total_active_file": uint64(0),
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"total_active_anon": uint64(0),
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"total_cache": uint64(0),
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"inactive_anon": uint64(0),
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"pgmajfault": uint64(0),
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"total_inactive_anon": uint64(0),
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"total_rss_huge": uint64(0),
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"rss_huge": uint64(0),
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"hierarchical_memory_limit": uint64(0),
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"pgpgout": uint64(0),
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"unevictable": uint64(0),
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"total_inactive_file": uint64(0),
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"writeback": uint64(0),
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"total_pgfault": uint64(0),
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"total_pgpgin": uint64(0),
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"cache": uint64(0),
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"mapped_file": uint64(0),
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"inactive_file": uint64(0),
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"max_usage": uint64(0),
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"fail_count": uint64(0),
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"pgfault": uint64(0),
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"usage": uint64(0),
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"limit": uint64(18935443456),
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"container_id": "b7dfbb9478a6ae55e237d4d74f8bbb753f0817192b5081334dc78476296e2173",
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},
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map[string]string{
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"container_name": "etcd2",
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"container_image": "quay.io/coreos/etcd",
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"container_version": "v2.2.2",
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},
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)
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//fmt.Print(info)
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}
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