diff options
Diffstat (limited to 'kube2msb/src/vendor/github.com/google/cadvisor/info/v1/container.go')
| -rw-r--r-- | kube2msb/src/vendor/github.com/google/cadvisor/info/v1/container.go | 583 |
1 files changed, 0 insertions, 583 deletions
diff --git a/kube2msb/src/vendor/github.com/google/cadvisor/info/v1/container.go b/kube2msb/src/vendor/github.com/google/cadvisor/info/v1/container.go deleted file mode 100644 index 6e7e658..0000000 --- a/kube2msb/src/vendor/github.com/google/cadvisor/info/v1/container.go +++ /dev/null @@ -1,583 +0,0 @@ -// Copyright 2014 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package v1 - -import ( - "reflect" - "time" -) - -type CpuSpec struct { - Limit uint64 `json:"limit"` - MaxLimit uint64 `json:"max_limit"` - Mask string `json:"mask,omitempty"` - Quota uint64 `json:"quota,omitempty"` - Period uint64 `json:"period,omitempty"` -} - -type MemorySpec struct { - // The amount of memory requested. Default is unlimited (-1). - // Units: bytes. - Limit uint64 `json:"limit,omitempty"` - - // The amount of guaranteed memory. Default is 0. - // Units: bytes. - Reservation uint64 `json:"reservation,omitempty"` - - // The amount of swap space requested. Default is unlimited (-1). - // Units: bytes. - SwapLimit uint64 `json:"swap_limit,omitempty"` -} - -type ContainerSpec struct { - // Time at which the container was created. - CreationTime time.Time `json:"creation_time,omitempty"` - - // Metadata labels associated with this container. - Labels map[string]string `json:"labels,omitempty"` - // Metadata envs associated with this container. Only whitelisted envs are added. - Envs map[string]string `json:"envs,omitempty"` - - HasCpu bool `json:"has_cpu"` - Cpu CpuSpec `json:"cpu,omitempty"` - - HasMemory bool `json:"has_memory"` - Memory MemorySpec `json:"memory,omitempty"` - - HasNetwork bool `json:"has_network"` - - HasFilesystem bool `json:"has_filesystem"` - - // HasDiskIo when true, indicates that DiskIo stats will be available. - HasDiskIo bool `json:"has_diskio"` - - HasCustomMetrics bool `json:"has_custom_metrics"` - CustomMetrics []MetricSpec `json:"custom_metrics,omitempty"` - - // Image name used for this container. - Image string `json:"image,omitempty"` -} - -// Container reference contains enough information to uniquely identify a container -type ContainerReference struct { - // The container id - Id string `json:"id,omitempty"` - - // The absolute name of the container. This is unique on the machine. - Name string `json:"name"` - - // Other names by which the container is known within a certain namespace. - // This is unique within that namespace. - Aliases []string `json:"aliases,omitempty"` - - // Namespace under which the aliases of a container are unique. - // An example of a namespace is "docker" for Docker containers. - Namespace string `json:"namespace,omitempty"` - - Labels map[string]string `json:"labels,omitempty"` -} - -// Sorts by container name. -type ContainerReferenceSlice []ContainerReference - -func (self ContainerReferenceSlice) Len() int { return len(self) } -func (self ContainerReferenceSlice) Swap(i, j int) { self[i], self[j] = self[j], self[i] } -func (self ContainerReferenceSlice) Less(i, j int) bool { return self[i].Name < self[j].Name } - -// ContainerInfoRequest is used when users check a container info from the REST API. -// It specifies how much data users want to get about a container -type ContainerInfoRequest struct { - // Max number of stats to return. Specify -1 for all stats currently available. - // Default: 60 - NumStats int `json:"num_stats,omitempty"` - - // Start time for which to query information. - // If ommitted, the beginning of time is assumed. - Start time.Time `json:"start,omitempty"` - - // End time for which to query information. - // If ommitted, current time is assumed. - End time.Time `json:"end,omitempty"` -} - -// Returns a ContainerInfoRequest with all default values specified. -func DefaultContainerInfoRequest() ContainerInfoRequest { - return ContainerInfoRequest{ - NumStats: 60, - } -} - -func (self *ContainerInfoRequest) Equals(other ContainerInfoRequest) bool { - return self.NumStats == other.NumStats && - self.Start.Equal(other.Start) && - self.End.Equal(other.End) -} - -type ContainerInfo struct { - ContainerReference - - // The direct subcontainers of the current container. - Subcontainers []ContainerReference `json:"subcontainers,omitempty"` - - // The isolation used in the container. - Spec ContainerSpec `json:"spec,omitempty"` - - // Historical statistics gathered from the container. - Stats []*ContainerStats `json:"stats,omitempty"` -} - -// TODO(vmarmol): Refactor to not need this equality comparison. -// ContainerInfo may be (un)marshaled by json or other en/decoder. In that -// case, the Timestamp field in each stats/sample may not be precisely -// en/decoded. This will lead to small but acceptable differences between a -// ContainerInfo and its encode-then-decode version. Eq() is used to compare -// two ContainerInfo accepting small difference (<10ms) of Time fields. -func (self *ContainerInfo) Eq(b *ContainerInfo) bool { - - // If both self and b are nil, then Eq() returns true - if self == nil { - return b == nil - } - if b == nil { - return self == nil - } - - // For fields other than time.Time, we will compare them precisely. - // This would require that any slice should have same order. - if !reflect.DeepEqual(self.ContainerReference, b.ContainerReference) { - return false - } - if !reflect.DeepEqual(self.Subcontainers, b.Subcontainers) { - return false - } - if !self.Spec.Eq(&b.Spec) { - return false - } - - for i, expectedStats := range b.Stats { - selfStats := self.Stats[i] - if !expectedStats.Eq(selfStats) { - return false - } - } - - return true -} - -func (self *ContainerSpec) Eq(b *ContainerSpec) bool { - // Creation within 1s of each other. - diff := self.CreationTime.Sub(b.CreationTime) - if (diff > time.Second) || (diff < -time.Second) { - return false - } - - if self.HasCpu != b.HasCpu { - return false - } - if !reflect.DeepEqual(self.Cpu, b.Cpu) { - return false - } - if self.HasMemory != b.HasMemory { - return false - } - if !reflect.DeepEqual(self.Memory, b.Memory) { - return false - } - if self.HasNetwork != b.HasNetwork { - return false - } - if self.HasFilesystem != b.HasFilesystem { - return false - } - if self.HasDiskIo != b.HasDiskIo { - return false - } - if self.HasCustomMetrics != b.HasCustomMetrics { - return false - } - return true -} - -func (self *ContainerInfo) StatsAfter(ref time.Time) []*ContainerStats { - n := len(self.Stats) + 1 - for i, s := range self.Stats { - if s.Timestamp.After(ref) { - n = i - break - } - } - if n > len(self.Stats) { - return nil - } - return self.Stats[n:] -} - -func (self *ContainerInfo) StatsStartTime() time.Time { - var ret time.Time - for _, s := range self.Stats { - if s.Timestamp.Before(ret) || ret.IsZero() { - ret = s.Timestamp - } - } - return ret -} - -func (self *ContainerInfo) StatsEndTime() time.Time { - var ret time.Time - for i := len(self.Stats) - 1; i >= 0; i-- { - s := self.Stats[i] - if s.Timestamp.After(ret) { - ret = s.Timestamp - } - } - return ret -} - -// This mirrors kernel internal structure. -type LoadStats struct { - // Number of sleeping tasks. - NrSleeping uint64 `json:"nr_sleeping"` - - // Number of running tasks. - NrRunning uint64 `json:"nr_running"` - - // Number of tasks in stopped state - NrStopped uint64 `json:"nr_stopped"` - - // Number of tasks in uninterruptible state - NrUninterruptible uint64 `json:"nr_uninterruptible"` - - // Number of tasks waiting on IO - NrIoWait uint64 `json:"nr_io_wait"` -} - -// CPU usage time statistics. -type CpuUsage struct { - // Total CPU usage. - // Units: nanoseconds - Total uint64 `json:"total"` - - // Per CPU/core usage of the container. - // Unit: nanoseconds. - PerCpu []uint64 `json:"per_cpu_usage,omitempty"` - - // Time spent in user space. - // Unit: nanoseconds - User uint64 `json:"user"` - - // Time spent in kernel space. - // Unit: nanoseconds - System uint64 `json:"system"` -} - -// All CPU usage metrics are cumulative from the creation of the container -type CpuStats struct { - Usage CpuUsage `json:"usage"` - // Smoothed average of number of runnable threads x 1000. - // We multiply by thousand to avoid using floats, but preserving precision. - // Load is smoothed over the last 10 seconds. Instantaneous value can be read - // from LoadStats.NrRunning. - LoadAverage int32 `json:"load_average"` -} - -type PerDiskStats struct { - Major uint64 `json:"major"` - Minor uint64 `json:"minor"` - Stats map[string]uint64 `json:"stats"` -} - -type DiskIoStats struct { - IoServiceBytes []PerDiskStats `json:"io_service_bytes,omitempty"` - IoServiced []PerDiskStats `json:"io_serviced,omitempty"` - IoQueued []PerDiskStats `json:"io_queued,omitempty"` - Sectors []PerDiskStats `json:"sectors,omitempty"` - IoServiceTime []PerDiskStats `json:"io_service_time,omitempty"` - IoWaitTime []PerDiskStats `json:"io_wait_time,omitempty"` - IoMerged []PerDiskStats `json:"io_merged,omitempty"` - IoTime []PerDiskStats `json:"io_time,omitempty"` -} - -type MemoryStats struct { - // Current memory usage, this includes all memory regardless of when it was - // accessed. - // Units: Bytes. - Usage uint64 `json:"usage"` - - // Number of bytes of page cache memory. - // Units: Bytes. - Cache uint64 `json:"cache"` - - // The amount of anonymous and swap cache memory (includes transparent - // hugepages). - // Units: Bytes. - RSS uint64 `json:"rss"` - - // The amount of working set memory, this includes recently accessed memory, - // dirty memory, and kernel memory. Working set is <= "usage". - // Units: Bytes. - WorkingSet uint64 `json:"working_set"` - - Failcnt uint64 `json:"failcnt"` - - ContainerData MemoryStatsMemoryData `json:"container_data,omitempty"` - HierarchicalData MemoryStatsMemoryData `json:"hierarchical_data,omitempty"` -} - -type MemoryStatsMemoryData struct { - Pgfault uint64 `json:"pgfault"` - Pgmajfault uint64 `json:"pgmajfault"` -} - -type InterfaceStats struct { - // The name of the interface. - Name string `json:"name"` - // Cumulative count of bytes received. - RxBytes uint64 `json:"rx_bytes"` - // Cumulative count of packets received. - RxPackets uint64 `json:"rx_packets"` - // Cumulative count of receive errors encountered. - RxErrors uint64 `json:"rx_errors"` - // Cumulative count of packets dropped while receiving. - RxDropped uint64 `json:"rx_dropped"` - // Cumulative count of bytes transmitted. - TxBytes uint64 `json:"tx_bytes"` - // Cumulative count of packets transmitted. - TxPackets uint64 `json:"tx_packets"` - // Cumulative count of transmit errors encountered. - TxErrors uint64 `json:"tx_errors"` - // Cumulative count of packets dropped while transmitting. - TxDropped uint64 `json:"tx_dropped"` -} - -type NetworkStats struct { - InterfaceStats `json:",inline"` - Interfaces []InterfaceStats `json:"interfaces,omitempty"` - // TCP connection stats (Established, Listen...) - Tcp TcpStat `json:"tcp"` - // TCP6 connection stats (Established, Listen...) - Tcp6 TcpStat `json:"tcp6"` -} - -type TcpStat struct { - //Count of TCP connections in state "Established" - Established uint64 - //Count of TCP connections in state "Syn_Sent" - SynSent uint64 - //Count of TCP connections in state "Syn_Recv" - SynRecv uint64 - //Count of TCP connections in state "Fin_Wait1" - FinWait1 uint64 - //Count of TCP connections in state "Fin_Wait2" - FinWait2 uint64 - //Count of TCP connections in state "Time_Wait - TimeWait uint64 - //Count of TCP connections in state "Close" - Close uint64 - //Count of TCP connections in state "Close_Wait" - CloseWait uint64 - //Count of TCP connections in state "Listen_Ack" - LastAck uint64 - //Count of TCP connections in state "Listen" - Listen uint64 - //Count of TCP connections in state "Closing" - Closing uint64 -} - -type FsStats struct { - // The block device name associated with the filesystem. - Device string `json:"device,omitempty"` - - // Type of the filesytem. - Type string `json:"type"` - - // Number of bytes that can be consumed by the container on this filesystem. - Limit uint64 `json:"capacity"` - - // Number of bytes that is consumed by the container on this filesystem. - Usage uint64 `json:"usage"` - - // Base Usage that is consumed by the container's writable layer. - // This field is only applicable for docker container's as of now. - BaseUsage uint64 `json:"base_usage"` - - // Number of bytes available for non-root user. - Available uint64 `json:"available"` - - // Number of available Inodes - InodesFree uint64 `json:"inodes_free"` - - // Number of reads completed - // This is the total number of reads completed successfully. - ReadsCompleted uint64 `json:"reads_completed"` - - // Number of reads merged - // Reads and writes which are adjacent to each other may be merged for - // efficiency. Thus two 4K reads may become one 8K read before it is - // ultimately handed to the disk, and so it will be counted (and queued) - // as only one I/O. This field lets you know how often this was done. - ReadsMerged uint64 `json:"reads_merged"` - - // Number of sectors read - // This is the total number of sectors read successfully. - SectorsRead uint64 `json:"sectors_read"` - - // Number of milliseconds spent reading - // This is the total number of milliseconds spent by all reads (as - // measured from __make_request() to end_that_request_last()). - ReadTime uint64 `json:"read_time"` - - // Number of writes completed - // This is the total number of writes completed successfully. - WritesCompleted uint64 `json:"writes_completed"` - - // Number of writes merged - // See the description of reads merged. - WritesMerged uint64 `json:"writes_merged"` - - // Number of sectors written - // This is the total number of sectors written successfully. - SectorsWritten uint64 `json:"sectors_written"` - - // Number of milliseconds spent writing - // This is the total number of milliseconds spent by all writes (as - // measured from __make_request() to end_that_request_last()). - WriteTime uint64 `json:"write_time"` - - // Number of I/Os currently in progress - // The only field that should go to zero. Incremented as requests are - // given to appropriate struct request_queue and decremented as they finish. - IoInProgress uint64 `json:"io_in_progress"` - - // Number of milliseconds spent doing I/Os - // This field increases so long as field 9 is nonzero. - IoTime uint64 `json:"io_time"` - - // weighted number of milliseconds spent doing I/Os - // This field is incremented at each I/O start, I/O completion, I/O - // merge, or read of these stats by the number of I/Os in progress - // (field 9) times the number of milliseconds spent doing I/O since the - // last update of this field. This can provide an easy measure of both - // I/O completion time and the backlog that may be accumulating. - WeightedIoTime uint64 `json:"weighted_io_time"` -} - -type ContainerStats struct { - // The time of this stat point. - Timestamp time.Time `json:"timestamp"` - Cpu CpuStats `json:"cpu,omitempty"` - DiskIo DiskIoStats `json:"diskio,omitempty"` - Memory MemoryStats `json:"memory,omitempty"` - Network NetworkStats `json:"network,omitempty"` - - // Filesystem statistics - Filesystem []FsStats `json:"filesystem,omitempty"` - - // Task load stats - TaskStats LoadStats `json:"task_stats,omitempty"` - - //Custom metrics from all collectors - CustomMetrics map[string][]MetricVal `json:"custom_metrics,omitempty"` -} - -func timeEq(t1, t2 time.Time, tolerance time.Duration) bool { - // t1 should not be later than t2 - if t1.After(t2) { - t1, t2 = t2, t1 - } - diff := t2.Sub(t1) - if diff <= tolerance { - return true - } - return false -} - -const ( - // 10ms, i.e. 0.01s - timePrecision time.Duration = 10 * time.Millisecond -) - -// This function is useful because we do not require precise time -// representation. -func (a *ContainerStats) Eq(b *ContainerStats) bool { - if !timeEq(a.Timestamp, b.Timestamp, timePrecision) { - return false - } - return a.StatsEq(b) -} - -// Checks equality of the stats values. -func (a *ContainerStats) StatsEq(b *ContainerStats) bool { - // TODO(vmarmol): Consider using this through reflection. - if !reflect.DeepEqual(a.Cpu, b.Cpu) { - return false - } - if !reflect.DeepEqual(a.Memory, b.Memory) { - return false - } - if !reflect.DeepEqual(a.DiskIo, b.DiskIo) { - return false - } - if !reflect.DeepEqual(a.Network, b.Network) { - return false - } - if !reflect.DeepEqual(a.Filesystem, b.Filesystem) { - return false - } - return true -} - -// Event contains information general to events such as the time at which they -// occurred, their specific type, and the actual event. Event types are -// differentiated by the EventType field of Event. -type Event struct { - // the absolute container name for which the event occurred - ContainerName string `json:"container_name"` - - // the time at which the event occurred - Timestamp time.Time `json:"timestamp"` - - // the type of event. EventType is an enumerated type - EventType EventType `json:"event_type"` - - // the original event object and all of its extraneous data, ex. an - // OomInstance - EventData EventData `json:"event_data,omitempty"` -} - -// EventType is an enumerated type which lists the categories under which -// events may fall. The Event field EventType is populated by this enum. -type EventType string - -const ( - EventOom EventType = "oom" - EventOomKill = "oomKill" - EventContainerCreation = "containerCreation" - EventContainerDeletion = "containerDeletion" -) - -// Extra information about an event. Only one type will be set. -type EventData struct { - // Information about an OOM kill event. - OomKill *OomKillEventData `json:"oom,omitempty"` -} - -// Information related to an OOM kill instance -type OomKillEventData struct { - // process id of the killed process - Pid int `json:"pid"` - - // The name of the killed process - ProcessName string `json:"process_name"` -} |