Make event types public
The event types are now part of a dedicated public `types` package within runc to be able to unmarshal the output `runc events` directly. Signed-off-by: Sascha Grunert <sgrunert@suse.com>
This commit is contained in:
Sascha Grunert
parent
2186cfa3cd
commit
42690e6853
151
events.go
151
events.go
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@ -12,125 +12,12 @@ import (
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"github.com/opencontainers/runc/libcontainer"
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"github.com/opencontainers/runc/libcontainer/cgroups"
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"github.com/opencontainers/runc/libcontainer/intelrdt"
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"github.com/opencontainers/runc/types"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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)
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// event struct for encoding the event data to json.
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type event struct {
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Type string `json:"type"`
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ID string `json:"id"`
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Data interface{} `json:"data,omitempty"`
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}
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// stats is the runc specific stats structure for stability when encoding and decoding stats.
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type stats struct {
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CPU cpu `json:"cpu"`
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Memory memory `json:"memory"`
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Pids pids `json:"pids"`
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Blkio blkio `json:"blkio"`
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Hugetlb map[string]hugetlb `json:"hugetlb"`
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IntelRdt intelRdt `json:"intel_rdt"`
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}
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type hugetlb struct {
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Usage uint64 `json:"usage,omitempty"`
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Max uint64 `json:"max,omitempty"`
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Failcnt uint64 `json:"failcnt"`
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}
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type blkioEntry struct {
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Major uint64 `json:"major,omitempty"`
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Minor uint64 `json:"minor,omitempty"`
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Op string `json:"op,omitempty"`
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Value uint64 `json:"value,omitempty"`
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}
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type blkio struct {
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IoServiceBytesRecursive []blkioEntry `json:"ioServiceBytesRecursive,omitempty"`
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IoServicedRecursive []blkioEntry `json:"ioServicedRecursive,omitempty"`
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IoQueuedRecursive []blkioEntry `json:"ioQueueRecursive,omitempty"`
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IoServiceTimeRecursive []blkioEntry `json:"ioServiceTimeRecursive,omitempty"`
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IoWaitTimeRecursive []blkioEntry `json:"ioWaitTimeRecursive,omitempty"`
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IoMergedRecursive []blkioEntry `json:"ioMergedRecursive,omitempty"`
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IoTimeRecursive []blkioEntry `json:"ioTimeRecursive,omitempty"`
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SectorsRecursive []blkioEntry `json:"sectorsRecursive,omitempty"`
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}
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type pids struct {
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Current uint64 `json:"current,omitempty"`
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Limit uint64 `json:"limit,omitempty"`
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}
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type throttling struct {
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Periods uint64 `json:"periods,omitempty"`
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ThrottledPeriods uint64 `json:"throttledPeriods,omitempty"`
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ThrottledTime uint64 `json:"throttledTime,omitempty"`
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}
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type cpuUsage struct {
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// Units: nanoseconds.
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Total uint64 `json:"total,omitempty"`
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Percpu []uint64 `json:"percpu,omitempty"`
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Kernel uint64 `json:"kernel"`
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User uint64 `json:"user"`
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}
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type cpu struct {
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Usage cpuUsage `json:"usage,omitempty"`
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Throttling throttling `json:"throttling,omitempty"`
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}
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type memoryEntry struct {
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Limit uint64 `json:"limit"`
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Usage uint64 `json:"usage,omitempty"`
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Max uint64 `json:"max,omitempty"`
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Failcnt uint64 `json:"failcnt"`
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}
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type memory struct {
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Cache uint64 `json:"cache,omitempty"`
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Usage memoryEntry `json:"usage,omitempty"`
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Swap memoryEntry `json:"swap,omitempty"`
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Kernel memoryEntry `json:"kernel,omitempty"`
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KernelTCP memoryEntry `json:"kernelTCP,omitempty"`
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Raw map[string]uint64 `json:"raw,omitempty"`
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}
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type l3CacheInfo struct {
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CbmMask string `json:"cbm_mask,omitempty"`
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MinCbmBits uint64 `json:"min_cbm_bits,omitempty"`
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NumClosids uint64 `json:"num_closids,omitempty"`
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}
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type memBwInfo struct {
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BandwidthGran uint64 `json:"bandwidth_gran,omitempty"`
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DelayLinear uint64 `json:"delay_linear,omitempty"`
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MinBandwidth uint64 `json:"min_bandwidth,omitempty"`
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NumClosids uint64 `json:"num_closids,omitempty"`
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}
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type intelRdt struct {
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// The read-only L3 cache information
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L3CacheInfo *l3CacheInfo `json:"l3_cache_info,omitempty"`
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// The read-only L3 cache schema in root
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L3CacheSchemaRoot string `json:"l3_cache_schema_root,omitempty"`
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// The L3 cache schema in 'container_id' group
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L3CacheSchema string `json:"l3_cache_schema,omitempty"`
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// The read-only memory bandwidth information
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MemBwInfo *memBwInfo `json:"mem_bw_info,omitempty"`
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// The read-only memory bandwidth schema in root
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MemBwSchemaRoot string `json:"mem_bw_schema_root,omitempty"`
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// The memory bandwidth schema in 'container_id' group
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MemBwSchema string `json:"mem_bw_schema,omitempty"`
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}
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var eventsCommand = cli.Command{
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Name: "events",
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Usage: "display container events such as OOM notifications, cpu, memory, and IO usage statistics",
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@ -164,7 +51,7 @@ information is displayed once every 5 seconds.`,
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}
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var (
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stats = make(chan *libcontainer.Stats, 1)
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events = make(chan *event, 1024)
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events = make(chan *types.Event, 1024)
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group = &sync.WaitGroup{}
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)
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group.Add(1)
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@ -182,7 +69,7 @@ information is displayed once every 5 seconds.`,
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if err != nil {
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return err
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}
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events <- &event{Type: "stats", ID: container.ID(), Data: convertLibcontainerStats(s)}
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events <- &types.Event{Type: "stats", ID: container.ID(), Data: convertLibcontainerStats(s)}
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close(events)
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group.Wait()
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return nil
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@ -208,12 +95,12 @@ information is displayed once every 5 seconds.`,
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// this means an oom event was received, if it is !ok then
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// the channel was closed because the container stopped and
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// the cgroups no longer exist.
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events <- &event{Type: "oom", ID: container.ID()}
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events <- &types.Event{Type: "oom", ID: container.ID()}
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} else {
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n = nil
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}
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case s := <-stats:
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events <- &event{Type: "stats", ID: container.ID(), Data: convertLibcontainerStats(s)}
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events <- &types.Event{Type: "stats", ID: container.ID(), Data: convertLibcontainerStats(s)}
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}
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if n == nil {
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close(events)
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@ -225,12 +112,12 @@ information is displayed once every 5 seconds.`,
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},
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}
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func convertLibcontainerStats(ls *libcontainer.Stats) *stats {
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func convertLibcontainerStats(ls *libcontainer.Stats) *types.Stats {
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cg := ls.CgroupStats
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if cg == nil {
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return nil
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}
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var s stats
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var s types.Stats
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s.Pids.Current = cg.PidsStats.Current
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s.Pids.Limit = cg.PidsStats.Limit
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@ -258,7 +145,7 @@ func convertLibcontainerStats(ls *libcontainer.Stats) *stats {
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s.Blkio.IoTimeRecursive = convertBlkioEntry(cg.BlkioStats.IoTimeRecursive)
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s.Blkio.SectorsRecursive = convertBlkioEntry(cg.BlkioStats.SectorsRecursive)
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s.Hugetlb = make(map[string]hugetlb)
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s.Hugetlb = make(map[string]types.Hugetlb)
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for k, v := range cg.HugetlbStats {
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s.Hugetlb[k] = convertHugtlb(v)
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}
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@ -279,16 +166,16 @@ func convertLibcontainerStats(ls *libcontainer.Stats) *stats {
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return &s
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}
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func convertHugtlb(c cgroups.HugetlbStats) hugetlb {
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return hugetlb{
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func convertHugtlb(c cgroups.HugetlbStats) types.Hugetlb {
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return types.Hugetlb{
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Usage: c.Usage,
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Max: c.MaxUsage,
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Failcnt: c.Failcnt,
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}
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}
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func convertMemoryEntry(c cgroups.MemoryData) memoryEntry {
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return memoryEntry{
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func convertMemoryEntry(c cgroups.MemoryData) types.MemoryEntry {
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return types.MemoryEntry{
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Limit: c.Limit,
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Usage: c.Usage,
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Max: c.MaxUsage,
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@ -296,10 +183,10 @@ func convertMemoryEntry(c cgroups.MemoryData) memoryEntry {
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}
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}
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func convertBlkioEntry(c []cgroups.BlkioStatEntry) []blkioEntry {
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var out []blkioEntry
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func convertBlkioEntry(c []cgroups.BlkioStatEntry) []types.BlkioEntry {
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var out []types.BlkioEntry
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for _, e := range c {
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out = append(out, blkioEntry{
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out = append(out, types.BlkioEntry{
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Major: e.Major,
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Minor: e.Minor,
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Op: e.Op,
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@ -309,16 +196,16 @@ func convertBlkioEntry(c []cgroups.BlkioStatEntry) []blkioEntry {
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return out
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}
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func convertL3CacheInfo(i *intelrdt.L3CacheInfo) *l3CacheInfo {
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return &l3CacheInfo{
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func convertL3CacheInfo(i *intelrdt.L3CacheInfo) *types.L3CacheInfo {
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return &types.L3CacheInfo{
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CbmMask: i.CbmMask,
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MinCbmBits: i.MinCbmBits,
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NumClosids: i.NumClosids,
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}
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}
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func convertMemBwInfo(i *intelrdt.MemBwInfo) *memBwInfo {
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return &memBwInfo{
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func convertMemBwInfo(i *intelrdt.MemBwInfo) *types.MemBwInfo {
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return &types.MemBwInfo{
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BandwidthGran: i.BandwidthGran,
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DelayLinear: i.DelayLinear,
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MinBandwidth: i.MinBandwidth,
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@ -0,0 +1,115 @@
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package types
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// Event struct for encoding the event data to json.
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type Event struct {
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Type string `json:"type"`
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ID string `json:"id"`
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Data interface{} `json:"data,omitempty"`
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}
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// stats is the runc specific stats structure for stability when encoding and decoding stats.
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type Stats struct {
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CPU Cpu `json:"cpu"`
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Memory Memory `json:"memory"`
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Pids Pids `json:"pids"`
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Blkio Blkio `json:"blkio"`
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Hugetlb map[string]Hugetlb `json:"hugetlb"`
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IntelRdt IntelRdt `json:"intel_rdt"`
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}
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type Hugetlb struct {
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Usage uint64 `json:"usage,omitempty"`
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Max uint64 `json:"max,omitempty"`
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Failcnt uint64 `json:"failcnt"`
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}
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type BlkioEntry struct {
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Major uint64 `json:"major,omitempty"`
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Minor uint64 `json:"minor,omitempty"`
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Op string `json:"op,omitempty"`
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Value uint64 `json:"value,omitempty"`
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}
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type Blkio struct {
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IoServiceBytesRecursive []BlkioEntry `json:"ioServiceBytesRecursive,omitempty"`
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IoServicedRecursive []BlkioEntry `json:"ioServicedRecursive,omitempty"`
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IoQueuedRecursive []BlkioEntry `json:"ioQueueRecursive,omitempty"`
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IoServiceTimeRecursive []BlkioEntry `json:"ioServiceTimeRecursive,omitempty"`
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IoWaitTimeRecursive []BlkioEntry `json:"ioWaitTimeRecursive,omitempty"`
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IoMergedRecursive []BlkioEntry `json:"ioMergedRecursive,omitempty"`
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IoTimeRecursive []BlkioEntry `json:"ioTimeRecursive,omitempty"`
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SectorsRecursive []BlkioEntry `json:"sectorsRecursive,omitempty"`
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}
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type Pids struct {
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Current uint64 `json:"current,omitempty"`
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Limit uint64 `json:"limit,omitempty"`
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}
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type Throttling struct {
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Periods uint64 `json:"periods,omitempty"`
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ThrottledPeriods uint64 `json:"throttledPeriods,omitempty"`
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ThrottledTime uint64 `json:"throttledTime,omitempty"`
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}
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type CpuUsage struct {
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// Units: nanoseconds.
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Total uint64 `json:"total,omitempty"`
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Percpu []uint64 `json:"percpu,omitempty"`
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Kernel uint64 `json:"kernel"`
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User uint64 `json:"user"`
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}
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type Cpu struct {
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Usage CpuUsage `json:"usage,omitempty"`
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Throttling Throttling `json:"throttling,omitempty"`
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}
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type MemoryEntry struct {
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Limit uint64 `json:"limit"`
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Usage uint64 `json:"usage,omitempty"`
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Max uint64 `json:"max,omitempty"`
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Failcnt uint64 `json:"failcnt"`
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}
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type Memory struct {
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Cache uint64 `json:"cache,omitempty"`
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Usage MemoryEntry `json:"usage,omitempty"`
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Swap MemoryEntry `json:"swap,omitempty"`
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Kernel MemoryEntry `json:"kernel,omitempty"`
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KernelTCP MemoryEntry `json:"kernelTCP,omitempty"`
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Raw map[string]uint64 `json:"raw,omitempty"`
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}
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type L3CacheInfo struct {
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CbmMask string `json:"cbm_mask,omitempty"`
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MinCbmBits uint64 `json:"min_cbm_bits,omitempty"`
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NumClosids uint64 `json:"num_closids,omitempty"`
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}
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type MemBwInfo struct {
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BandwidthGran uint64 `json:"bandwidth_gran,omitempty"`
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DelayLinear uint64 `json:"delay_linear,omitempty"`
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MinBandwidth uint64 `json:"min_bandwidth,omitempty"`
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NumClosids uint64 `json:"num_closids,omitempty"`
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}
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type IntelRdt struct {
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// The read-only L3 cache information
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L3CacheInfo *L3CacheInfo `json:"l3_cache_info,omitempty"`
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// The read-only L3 cache schema in root
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L3CacheSchemaRoot string `json:"l3_cache_schema_root,omitempty"`
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// The L3 cache schema in 'container_id' group
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L3CacheSchema string `json:"l3_cache_schema,omitempty"`
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// The read-only memory bandwidth information
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MemBwInfo *MemBwInfo `json:"mem_bw_info,omitempty"`
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// The read-only memory bandwidth schema in root
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MemBwSchemaRoot string `json:"mem_bw_schema_root,omitempty"`
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// The memory bandwidth schema in 'container_id' group
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MemBwSchema string `json:"mem_bw_schema,omitempty"`
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}
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