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stats_response.go
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/
stats_response.go
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// Copyright 2017-2018 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 v2
import (
"github.com/aws/amazon-ecs-agent/agent/engine/dockerstate"
"github.com/aws/amazon-ecs-agent/agent/stats"
"github.com/cihub/seelog"
"github.com/docker/docker/api/types"
"github.com/pkg/errors"
)
// NewTaskStatsResponse returns a new task stats response object
func NewTaskStatsResponse(taskARN string,
state dockerstate.TaskEngineState,
statsEngine stats.Engine) (map[string]*types.StatsJSON, error) {
containerMap, ok := state.ContainerMapByArn(taskARN)
if !ok {
return nil, errors.Errorf(
"v2 task stats response: unable to lookup containers for task %s",
taskARN)
}
resp := make(map[string]*types.StatsJSON)
for _, dockerContainer := range containerMap {
containerID := dockerContainer.DockerID
dockerStats, err := statsEngine.ContainerDockerStats(taskARN, containerID)
if err != nil {
seelog.Warnf("V2 task stats response: Unable to get stats for container '%s' for task '%s': %v",
containerID, taskARN, err)
resp[containerID] = nil
continue
}
resp[containerID] = dockerStats
}
return resp, nil
}