package docker import ( "testing" "time" "github.com/influxdata/telegraf/testutil" "github.com/docker/docker/api/types" "github.com/stretchr/testify/require" ) func TestDockerGatherContainerStats(t *testing.T) { var acc testutil.Accumulator stats := testStats() tags := map[string]string{ "container_name": "redis", "container_image": "redis/image", } gatherContainerStats(stats, &acc, tags, "123456789", true, true) // test docker_container_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), "container_id": "123456789", } nettags := copyTags(tags) nettags["network"] = "eth0" acc.AssertContainsTaggedFields(t, "docker_container_net", netfields, nettags) netfields = map[string]interface{}{ "rx_dropped": uint64(6), "rx_bytes": uint64(8), "rx_errors": uint64(10), "tx_packets": uint64(12), "tx_dropped": uint64(6), "rx_packets": uint64(8), "tx_errors": uint64(10), "tx_bytes": uint64(12), "container_id": "123456789", } nettags = copyTags(tags) nettags["network"] = "total" acc.AssertContainsTaggedFields(t, "docker_container_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), "container_id": "123456789", } acc.AssertContainsTaggedFields(t, "docker_container_blkio", blkiofields, blkiotags) blkiotags = copyTags(tags) blkiotags["device"] = "total" blkiofields = map[string]interface{}{ "io_service_bytes_recursive_read": uint64(100), "io_serviced_recursive_write": uint64(302), "container_id": "123456789", } acc.AssertContainsTaggedFields(t, "docker_container_blkio", blkiofields, blkiotags) // test docker_container_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), "container_id": "123456789", } acc.AssertContainsTaggedFields(t, "docker_container_mem", memfields, tags) // test docker_container_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), "container_id": "123456789", } acc.AssertContainsTaggedFields(t, "docker_container_cpu", cpufields, cputags) cputags["cpu"] = "cpu0" cpu0fields := map[string]interface{}{ "usage_total": uint64(1), "container_id": "123456789", } acc.AssertContainsTaggedFields(t, "docker_container_cpu", cpu0fields, cputags) cputags["cpu"] = "cpu1" cpu1fields := map[string]interface{}{ "usage_total": uint64(1002), "container_id": "123456789", } acc.AssertContainsTaggedFields(t, "docker_container_cpu", cpu1fields, cputags) } func testStats() *types.StatsJSON { stats := &types.StatsJSON{} stats.Read = time.Now() stats.Networks = make(map[string]types.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.SystemUsage = 100 stats.CPUStats.ThrottlingData.Periods = 1 stats.PreCPUStats.CPUUsage.TotalUsage = 400 stats.PreCPUStats.SystemUsage = 50 stats.MemoryStats.Stats = make(map[string]uint64) stats.MemoryStats.Stats["total_pgmajfault"] = 0 stats.MemoryStats.Stats["cache"] = 0 stats.MemoryStats.Stats["mapped_file"] = 0 stats.MemoryStats.Stats["total_inactive_file"] = 0 stats.MemoryStats.Stats["pagpgout"] = 0 stats.MemoryStats.Stats["rss"] = 0 stats.MemoryStats.Stats["total_mapped_file"] = 0 stats.MemoryStats.Stats["writeback"] = 0 stats.MemoryStats.Stats["unevictable"] = 0 stats.MemoryStats.Stats["pgpgin"] = 0 stats.MemoryStats.Stats["total_unevictable"] = 0 stats.MemoryStats.Stats["pgmajfault"] = 0 stats.MemoryStats.Stats["total_rss"] = 44 stats.MemoryStats.Stats["total_rss_huge"] = 444 stats.MemoryStats.Stats["total_write_back"] = 55 stats.MemoryStats.Stats["total_inactive_anon"] = 0 stats.MemoryStats.Stats["rss_huge"] = 0 stats.MemoryStats.Stats["hierarchical_memory_limit"] = 0 stats.MemoryStats.Stats["total_pgfault"] = 0 stats.MemoryStats.Stats["total_active_file"] = 0 stats.MemoryStats.Stats["active_anon"] = 0 stats.MemoryStats.Stats["total_active_anon"] = 0 stats.MemoryStats.Stats["total_pgpgout"] = 0 stats.MemoryStats.Stats["total_cache"] = 0 stats.MemoryStats.Stats["inactive_anon"] = 0 stats.MemoryStats.Stats["active_file"] = 1 stats.MemoryStats.Stats["pgfault"] = 2 stats.MemoryStats.Stats["inactive_file"] = 3 stats.MemoryStats.Stats["total_pgpgin"] = 4 stats.MemoryStats.MaxUsage = 1001 stats.MemoryStats.Usage = 1111 stats.MemoryStats.Failcnt = 1 stats.MemoryStats.Limit = 2000 stats.Networks["eth0"] = types.NetworkStats{ RxDropped: 1, RxBytes: 2, RxErrors: 3, TxPackets: 4, TxDropped: 1, RxPackets: 2, TxErrors: 3, TxBytes: 4, } stats.Networks["eth1"] = types.NetworkStats{ RxDropped: 5, RxBytes: 6, RxErrors: 7, TxPackets: 8, TxDropped: 5, RxPackets: 6, TxErrors: 7, TxBytes: 8, } sbr := types.BlkioStatEntry{ Major: 6, Minor: 0, Op: "read", Value: 100, } sr := types.BlkioStatEntry{ Major: 6, Minor: 0, Op: "write", Value: 101, } sr2 := types.BlkioStatEntry{ Major: 6, Minor: 1, Op: "write", Value: 201, } stats.BlkioStats.IoServiceBytesRecursive = append( stats.BlkioStats.IoServiceBytesRecursive, sbr) stats.BlkioStats.IoServicedRecursive = append( stats.BlkioStats.IoServicedRecursive, sr) stats.BlkioStats.IoServicedRecursive = append( stats.BlkioStats.IoServicedRecursive, sr2) return stats } func TestDockerGatherInfo(t *testing.T) { var acc testutil.Accumulator d := Docker{ client: nil, testing: true, } err := d.Gather(&acc) require.NoError(t, err) acc.AssertContainsTaggedFields(t, "docker", map[string]interface{}{ "n_listener_events": int(0), "n_cpus": int(4), "n_used_file_descriptors": int(19), "n_containers": int(108), "n_containers_running": int(98), "n_containers_stopped": int(6), "n_containers_paused": int(3), "n_images": int(199), "n_goroutines": int(39), }, map[string]string{"engine_host": "absol"}, ) acc.AssertContainsTaggedFields(t, "docker_data", map[string]interface{}{ "used": int64(17300000000), "total": int64(107400000000), "available": int64(36530000000), }, map[string]string{ "unit": "bytes", "engine_host": "absol", }, ) acc.AssertContainsTaggedFields(t, "docker_container_cpu", map[string]interface{}{ "usage_total": uint64(1231652), "container_id": "b7dfbb9478a6ae55e237d4d74f8bbb753f0817192b5081334dc78476296e2173", }, map[string]string{ "container_name": "etcd2", "container_image": "quay.io:4443/coreos/etcd", "cpu": "cpu3", "container_version": "v2.2.2", "engine_host": "absol", }, ) acc.AssertContainsTaggedFields(t, "docker_container_mem", map[string]interface{}{ "total_pgpgout": uint64(0), "usage_percent": float64(0), "rss": uint64(0), "total_writeback": uint64(0), "active_anon": uint64(0), "total_pgmafault": uint64(0), "total_rss": uint64(0), "total_unevictable": uint64(0), "active_file": uint64(0), "total_mapped_file": uint64(0), "pgpgin": uint64(0), "total_active_file": uint64(0), "total_active_anon": uint64(0), "total_cache": uint64(0), "inactive_anon": uint64(0), "pgmajfault": uint64(0), "total_inactive_anon": uint64(0), "total_rss_huge": uint64(0), "rss_huge": uint64(0), "hierarchical_memory_limit": uint64(0), "pgpgout": uint64(0), "unevictable": uint64(0), "total_inactive_file": uint64(0), "writeback": uint64(0), "total_pgfault": uint64(0), "total_pgpgin": uint64(0), "cache": uint64(0), "mapped_file": uint64(0), "inactive_file": uint64(0), "max_usage": uint64(0), "fail_count": uint64(0), "pgfault": uint64(0), "usage": uint64(0), "limit": uint64(18935443456), "container_id": "b7dfbb9478a6ae55e237d4d74f8bbb753f0817192b5081334dc78476296e2173", }, map[string]string{ "engine_host": "absol", "container_name": "etcd2", "container_image": "quay.io:4443/coreos/etcd", "container_version": "v2.2.2", }, ) //fmt.Print(info) }