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types.go
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/
types.go
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// Copyright Amazon.com Inc. or its affiliates. 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. A copy of the
// License is located at
//
// http://aws.amazon.com/apache2.0/
//
// or in the "license" file accompanying this file. This file 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 stats
import (
"time"
"context"
"github.com/aws/amazon-ecs-agent/agent/config"
"github.com/aws/amazon-ecs-agent/agent/dockerclient/dockerapi"
"github.com/aws/amazon-ecs-agent/agent/stats/resolver"
)
// ContainerStats encapsulates the raw CPU and memory utilization from cgroup fs.
type ContainerStats struct {
cpuUsage uint64
memoryUsage uint64
storageReadBytes uint64
storageWriteBytes uint64
networkStats *NetworkStats
timestamp time.Time
}
// NetworkStats contains the network stats information for a container
type NetworkStats struct {
RxBytes uint64 `json:"rxBytes"`
RxDropped uint64 `json:"rxDropped"`
RxErrors uint64 `json:"rxErrors"`
RxPackets uint64 `json:"rxPackets"`
TxBytes uint64 `json:"txBytes"`
TxDropped uint64 `json:"txDropped"`
TxErrors uint64 `json:"txErrors"`
TxPackets uint64 `json:"txPackets"`
RxBytesPerSecond float32 `json:"rxBytesPerSecond"`
TxBytesPerSecond float32 `json:"txBytesPerSecond"`
}
// UsageStats abstracts the format in which the queue stores data.
type UsageStats struct {
CPUUsagePerc float32 `json:"cpuUsagePerc"`
MemoryUsageInMegs uint32 `json:"memoryUsageInMegs"`
StorageReadBytes uint64 `json:"storageReadBytes"`
StorageWriteBytes uint64 `json:"storageWriteBytes"`
NetworkStats *NetworkStats `json:"networkStats"`
Timestamp time.Time `json:"timestamp"`
cpuUsage uint64
// sent indicates if the stat has been sent to TACS already.
sent bool
}
// ContainerMetadata contains meta-data information for a container.
type ContainerMetadata struct {
DockerID string `json:"-"`
Name string `json:"-"`
NetworkMode string `json:"-"`
StartedAt time.Time `json:"-"`
}
// TaskMetadata contains meta-data information for a task.
type TaskMetadata struct {
TaskArn string `json:"-"`
TaskId string `json:"-"`
// ContainerPID is the PID of the pause container in the awsvpc task.
ContainerPID string `json:"-"`
DeviceName []string `json:"-"`
NumberContainers int `json:"-"`
}
// StatsContainer abstracts methods to gather and aggregate utilization data for a container.
type StatsContainer struct {
containerMetadata *ContainerMetadata
ctx context.Context
cancel context.CancelFunc
client dockerapi.DockerClient
statsQueue *Queue
resolver resolver.ContainerMetadataResolver
config *config.Config
}
// taskDefinition encapsulates family and version strings for a task definition
type taskDefinition struct {
family string
version string
}