package system import ( "testing" "time" "github.com/influxdata/telegraf/testutil" "github.com/fsouza/go-dockerclient" ) func TestDockerGatherContainerStats(t *testing.T) { var acc testutil.Accumulator stats := testStats() tags := map[string]string{ "cont_id": "foobarbaz", "cont_name": "redis", "cont_image": "redis/image", } gatherContainerStats(stats, &acc, tags) // test docker_net measurement netfields := map[string]interface{}{ "rx_dropped": uint64(1), "rx_bytes": uint64(2), "rx_errors": uint64(3), "tx_packets": uint64(4), "tx_dropped": uint64(1), "rx_packets": uint64(2), "tx_errors": uint64(3), "tx_bytes": uint64(4), } nettags := copyTags(tags) nettags["network"] = "eth0" acc.AssertContainsTaggedFields(t, "docker_net", netfields, nettags) // test docker_blkio measurement blkiotags := copyTags(tags) blkiotags["device"] = "6:0" blkiofields := map[string]interface{}{ "io_service_bytes_recursive_read": uint64(100), "io_serviced_recursive_write": uint64(101), } acc.AssertContainsTaggedFields(t, "docker_blkio", blkiofields, blkiotags) // test docker_mem measurement memfields := map[string]interface{}{ "max_usage": uint64(1001), "usage": uint64(1111), "fail_count": uint64(1), "limit": uint64(2000), "total_pgmafault": uint64(0), "cache": uint64(0), "mapped_file": uint64(0), "total_inactive_file": uint64(0), "pgpgout": uint64(0), "rss": uint64(0), "total_mapped_file": uint64(0), "writeback": uint64(0), "unevictable": uint64(0), "pgpgin": uint64(0), "total_unevictable": uint64(0), "pgmajfault": uint64(0), "total_rss": uint64(44), "total_rss_huge": uint64(444), "total_writeback": uint64(55), "total_inactive_anon": uint64(0), "rss_huge": uint64(0), "hierarchical_memory_limit": uint64(0), "total_pgfault": uint64(0), "total_active_file": uint64(0), "active_anon": uint64(0), "total_active_anon": uint64(0), "total_pgpgout": uint64(0), "total_cache": uint64(0), "inactive_anon": uint64(0), "active_file": uint64(1), "pgfault": uint64(2), "inactive_file": uint64(3), "total_pgpgin": uint64(4), "usage_percent": float64(55.55), } acc.AssertContainsTaggedFields(t, "docker_mem", memfields, tags) // test docker_cpu measurement cputags := copyTags(tags) cputags["cpu"] = "cpu-total" cpufields := map[string]interface{}{ "usage_total": uint64(500), "usage_in_usermode": uint64(100), "usage_in_kernelmode": uint64(200), "usage_system": uint64(100), "throttling_periods": uint64(1), "throttling_throttled_periods": uint64(0), "throttling_throttled_time": uint64(0), "usage_percent": float64(400.0), } acc.AssertContainsTaggedFields(t, "docker_cpu", cpufields, cputags) cputags["cpu"] = "cpu0" cpu0fields := map[string]interface{}{ "usage_total": uint64(1), } acc.AssertContainsTaggedFields(t, "docker_cpu", cpu0fields, cputags) cputags["cpu"] = "cpu1" cpu1fields := map[string]interface{}{ "usage_total": uint64(1002), } acc.AssertContainsTaggedFields(t, "docker_cpu", cpu1fields, cputags) } func testStats() *docker.Stats { stats := &docker.Stats{ Read: time.Now(), Networks: make(map[string]docker.NetworkStats), } stats.CPUStats.CPUUsage.PercpuUsage = []uint64{1, 1002} stats.CPUStats.CPUUsage.UsageInUsermode = 100 stats.CPUStats.CPUUsage.TotalUsage = 500 stats.CPUStats.CPUUsage.UsageInKernelmode = 200 stats.CPUStats.SystemCPUUsage = 100 stats.CPUStats.ThrottlingData.Periods = 1 stats.PreCPUStats.CPUUsage.TotalUsage = 400 stats.PreCPUStats.SystemCPUUsage = 50 stats.MemoryStats.Stats.TotalPgmafault = 0 stats.MemoryStats.Stats.Cache = 0 stats.MemoryStats.Stats.MappedFile = 0 stats.MemoryStats.Stats.TotalInactiveFile = 0 stats.MemoryStats.Stats.Pgpgout = 0 stats.MemoryStats.Stats.Rss = 0 stats.MemoryStats.Stats.TotalMappedFile = 0 stats.MemoryStats.Stats.Writeback = 0 stats.MemoryStats.Stats.Unevictable = 0 stats.MemoryStats.Stats.Pgpgin = 0 stats.MemoryStats.Stats.TotalUnevictable = 0 stats.MemoryStats.Stats.Pgmajfault = 0 stats.MemoryStats.Stats.TotalRss = 44 stats.MemoryStats.Stats.TotalRssHuge = 444 stats.MemoryStats.Stats.TotalWriteback = 55 stats.MemoryStats.Stats.TotalInactiveAnon = 0 stats.MemoryStats.Stats.RssHuge = 0 stats.MemoryStats.Stats.HierarchicalMemoryLimit = 0 stats.MemoryStats.Stats.TotalPgfault = 0 stats.MemoryStats.Stats.TotalActiveFile = 0 stats.MemoryStats.Stats.ActiveAnon = 0 stats.MemoryStats.Stats.TotalActiveAnon = 0 stats.MemoryStats.Stats.TotalPgpgout = 0 stats.MemoryStats.Stats.TotalCache = 0 stats.MemoryStats.Stats.InactiveAnon = 0 stats.MemoryStats.Stats.ActiveFile = 1 stats.MemoryStats.Stats.Pgfault = 2 stats.MemoryStats.Stats.InactiveFile = 3 stats.MemoryStats.Stats.TotalPgpgin = 4 stats.MemoryStats.MaxUsage = 1001 stats.MemoryStats.Usage = 1111 stats.MemoryStats.Failcnt = 1 stats.MemoryStats.Limit = 2000 stats.Networks["eth0"] = docker.NetworkStats{ RxDropped: 1, RxBytes: 2, RxErrors: 3, TxPackets: 4, TxDropped: 1, RxPackets: 2, TxErrors: 3, TxBytes: 4, } sbr := docker.BlkioStatsEntry{ Major: 6, Minor: 0, Op: "read", Value: 100, } sr := docker.BlkioStatsEntry{ Major: 6, Minor: 0, Op: "write", Value: 101, } stats.BlkioStats.IOServiceBytesRecursive = append( stats.BlkioStats.IOServiceBytesRecursive, sbr) stats.BlkioStats.IOServicedRecursive = append( stats.BlkioStats.IOServicedRecursive, sr) return stats }