439 lines
14 KiB
Go
439 lines
14 KiB
Go
package docker
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import (
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"context"
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"crypto/tls"
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"testing"
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"github.com/influxdata/telegraf/testutil"
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"github.com/docker/docker/api/types"
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"github.com/stretchr/testify/require"
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)
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type MockClient struct {
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InfoF func(ctx context.Context) (types.Info, error)
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ContainerListF func(ctx context.Context, options types.ContainerListOptions) ([]types.Container, error)
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ContainerStatsF func(ctx context.Context, containerID string, stream bool) (types.ContainerStats, error)
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ContainerInspectF func(ctx context.Context, containerID string) (types.ContainerJSON, error)
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}
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func (c *MockClient) Info(ctx context.Context) (types.Info, error) {
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return c.InfoF(ctx)
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}
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func (c *MockClient) ContainerList(
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ctx context.Context,
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options types.ContainerListOptions,
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) ([]types.Container, error) {
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return c.ContainerListF(ctx, options)
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}
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func (c *MockClient) ContainerStats(
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ctx context.Context,
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containerID string,
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stream bool,
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) (types.ContainerStats, error) {
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return c.ContainerStatsF(ctx, containerID, stream)
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}
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func (c *MockClient) ContainerInspect(
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ctx context.Context,
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containerID string,
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) (types.ContainerJSON, error) {
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return c.ContainerInspectF(ctx, containerID)
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}
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func newClient(host string, tlsConfig *tls.Config) (Client, error) {
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return &MockClient{
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InfoF: func(context.Context) (types.Info, error) {
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return info, nil
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},
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ContainerListF: func(context.Context, types.ContainerListOptions) ([]types.Container, error) {
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return containerList, nil
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},
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ContainerStatsF: func(context.Context, string, bool) (types.ContainerStats, error) {
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return containerStats(), nil
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},
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ContainerInspectF: func(context.Context, string) (types.ContainerJSON, error) {
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return containerInspect, nil
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},
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}, nil
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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", true, true, "linux")
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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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netfields = map[string]interface{}{
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"rx_dropped": uint64(6),
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"rx_bytes": uint64(8),
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"rx_errors": uint64(10),
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"tx_packets": uint64(12),
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"tx_dropped": uint64(6),
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"rx_packets": uint64(8),
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"tx_errors": uint64(10),
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"tx_bytes": uint64(12),
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"container_id": "123456789",
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}
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nettags = copyTags(tags)
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nettags["network"] = "total"
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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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blkiotags = copyTags(tags)
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blkiotags["device"] = "total"
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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(302),
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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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"active_anon": uint64(0),
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"active_file": uint64(1),
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"cache": uint64(0),
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"container_id": "123456789",
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"fail_count": uint64(1),
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"hierarchical_memory_limit": uint64(0),
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"inactive_anon": uint64(0),
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"inactive_file": uint64(3),
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"limit": uint64(2000),
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"mapped_file": uint64(0),
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"max_usage": uint64(1001),
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"pgfault": uint64(2),
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"pgmajfault": uint64(0),
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"pgpgin": uint64(0),
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"pgpgout": uint64(0),
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"rss_huge": uint64(0),
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"rss": uint64(0),
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"total_active_anon": uint64(0),
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"total_active_file": uint64(0),
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"total_cache": uint64(0),
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"total_inactive_anon": uint64(0),
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"total_inactive_file": uint64(0),
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"total_mapped_file": uint64(0),
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"total_pgfault": uint64(0),
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"total_pgmajfault": uint64(0),
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"total_pgpgin": uint64(4),
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"total_pgpgout": uint64(0),
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"total_rss_huge": uint64(444),
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"total_rss": uint64(44),
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"total_unevictable": uint64(0),
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"total_writeback": uint64(55),
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"unevictable": uint64(0),
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"usage_percent": float64(55.55),
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"usage": uint64(1111),
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"writeback": uint64(0),
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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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// Those tagged filed should not be present because of offline CPUs
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cputags["cpu"] = "cpu2"
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cpu2fields := map[string]interface{}{
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"usage_total": uint64(0),
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"container_id": "123456789",
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}
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acc.AssertDoesNotContainsTaggedFields(t, "docker_container_cpu", cpu2fields, cputags)
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cputags["cpu"] = "cpu3"
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cpu3fields := map[string]interface{}{
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"usage_total": uint64(0),
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"container_id": "123456789",
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}
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acc.AssertDoesNotContainsTaggedFields(t, "docker_container_cpu", cpu3fields, cputags)
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}
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func TestDocker_WindowsMemoryContainerStats(t *testing.T) {
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var acc testutil.Accumulator
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d := Docker{
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newClient: func(string, *tls.Config) (Client, error) {
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return &MockClient{
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InfoF: func(ctx context.Context) (types.Info, error) {
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return info, nil
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},
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ContainerListF: func(ctx context.Context, options types.ContainerListOptions) ([]types.Container, error) {
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return containerList, nil
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},
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ContainerStatsF: func(ctx context.Context, containerID string, stream bool) (types.ContainerStats, error) {
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return containerStatsWindows(), nil
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},
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ContainerInspectF: func(ctx context.Context, containerID string) (types.ContainerJSON, error) {
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return containerInspect, nil
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},
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}, nil
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},
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}
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err := d.Gather(&acc)
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require.NoError(t, err)
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}
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func TestDockerGatherLabels(t *testing.T) {
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var gatherLabelsTests = []struct {
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include []string
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exclude []string
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expected []string
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notexpected []string
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}{
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{[]string{}, []string{}, []string{"label1", "label2"}, []string{}},
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{[]string{"*"}, []string{}, []string{"label1", "label2"}, []string{}},
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{[]string{"lab*"}, []string{}, []string{"label1", "label2"}, []string{}},
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{[]string{"label1"}, []string{}, []string{"label1"}, []string{"label2"}},
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{[]string{"label1*"}, []string{}, []string{"label1"}, []string{"label2"}},
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{[]string{}, []string{"*"}, []string{}, []string{"label1", "label2"}},
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{[]string{}, []string{"lab*"}, []string{}, []string{"label1", "label2"}},
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{[]string{}, []string{"label1"}, []string{"label2"}, []string{"label1"}},
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{[]string{"*"}, []string{"*"}, []string{}, []string{"label1", "label2"}},
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}
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for _, tt := range gatherLabelsTests {
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t.Run("", func(t *testing.T) {
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var acc testutil.Accumulator
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d := Docker{
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newClient: newClient,
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}
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for _, label := range tt.include {
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d.LabelInclude = append(d.LabelInclude, label)
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}
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for _, label := range tt.exclude {
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d.LabelExclude = append(d.LabelExclude, label)
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}
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err := d.Gather(&acc)
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require.NoError(t, err)
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for _, label := range tt.expected {
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if !acc.HasTag("docker_container_cpu", label) {
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t.Errorf("Didn't get expected label of %s. Test was: Include: %s Exclude %s",
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label, tt.include, tt.exclude)
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}
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}
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for _, label := range tt.notexpected {
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if acc.HasTag("docker_container_cpu", label) {
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t.Errorf("Got unexpected label of %s. Test was: Include: %s Exclude %s",
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label, tt.include, tt.exclude)
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}
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}
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})
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}
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}
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func TestContainerNames(t *testing.T) {
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var gatherContainerNames = []struct {
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include []string
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exclude []string
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expected []string
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notexpected []string
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}{
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{[]string{}, []string{}, []string{"etcd", "etcd2"}, []string{}},
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{[]string{"*"}, []string{}, []string{"etcd", "etcd2"}, []string{}},
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{[]string{"etc*"}, []string{}, []string{"etcd", "etcd2"}, []string{}},
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{[]string{"etcd"}, []string{}, []string{"etcd"}, []string{"etcd2"}},
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{[]string{"etcd2*"}, []string{}, []string{"etcd2"}, []string{"etcd"}},
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{[]string{}, []string{"etc*"}, []string{}, []string{"etcd", "etcd2"}},
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{[]string{}, []string{"etcd"}, []string{"etcd2"}, []string{"etcd"}},
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{[]string{"*"}, []string{"*"}, []string{"etcd", "etcd2"}, []string{}},
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{[]string{}, []string{"*"}, []string{""}, []string{"etcd", "etcd2"}},
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}
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for _, tt := range gatherContainerNames {
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t.Run("", func(t *testing.T) {
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var acc testutil.Accumulator
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d := Docker{
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newClient: newClient,
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ContainerInclude: tt.include,
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ContainerExclude: tt.exclude,
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}
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err := d.Gather(&acc)
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require.NoError(t, err)
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for _, metric := range acc.Metrics {
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if metric.Measurement == "docker_container_cpu" {
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if val, ok := metric.Tags["container_name"]; ok {
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var found bool = false
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for _, cname := range tt.expected {
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if val == cname {
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found = true
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break
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}
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}
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if !found {
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t.Errorf("Got unexpected container of %s. Test was -> Include: %s, Exclude: %s", val, tt.include, tt.exclude)
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}
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}
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}
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}
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for _, metric := range acc.Metrics {
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if metric.Measurement == "docker_container_cpu" {
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if val, ok := metric.Tags["container_name"]; ok {
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var found bool = false
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for _, cname := range tt.notexpected {
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if val == cname {
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found = true
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break
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}
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}
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if found {
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t.Errorf("Got unexpected container of %s. Test was -> Include: %s, Exclude: %s", val, tt.include, tt.exclude)
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}
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}
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}
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}
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})
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}
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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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d := Docker{
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newClient: newClient,
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TagEnvironment: []string{"ENVVAR1", "ENVVAR2", "ENVVAR3", "ENVVAR5",
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"ENVVAR6", "ENVVAR7", "ENVVAR8", "ENVVAR9"},
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}
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err := acc.GatherError(d.Gather)
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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_containers_running": int(98),
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"n_containers_stopped": int(6),
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"n_containers_paused": int(3),
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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{"engine_host": "absol"},
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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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"engine_host": "absol",
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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:4443/coreos/etcd",
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"cpu": "cpu3",
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"container_version": "v2.2.2",
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"engine_host": "absol",
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"ENVVAR1": "loremipsum",
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"ENVVAR2": "dolorsitamet",
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"ENVVAR3": "=ubuntu:10.04",
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"ENVVAR7": "ENVVAR8=ENVVAR9",
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"label1": "test_value_1",
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"label2": "test_value_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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"container_id": "b7dfbb9478a6ae55e237d4d74f8bbb753f0817192b5081334dc78476296e2173",
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"limit": uint64(18935443456),
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"max_usage": uint64(0),
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"usage": uint64(0),
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"usage_percent": float64(0),
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},
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map[string]string{
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"engine_host": "absol",
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"container_name": "etcd2",
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"container_image": "quay.io:4443/coreos/etcd",
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"container_version": "v2.2.2",
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"ENVVAR1": "loremipsum",
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"ENVVAR2": "dolorsitamet",
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"ENVVAR3": "=ubuntu:10.04",
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"ENVVAR7": "ENVVAR8=ENVVAR9",
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"label1": "test_value_1",
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"label2": "test_value_2",
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},
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)
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}
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