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taskprocessor.go
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taskprocessor.go
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// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: MIT
package ecsservicediscovery
import (
"log"
"github.com/aws/aws-sdk-go/service/ecs"
)
// Get all running tasks for the target cluster
type TaskProcessor struct {
svcEcs *ecs.ECS
stats *ProcessorStats
}
func NewTaskProcessor(ecs *ecs.ECS, s *ProcessorStats) *TaskProcessor {
return &TaskProcessor{
svcEcs: ecs,
stats: s,
}
}
func (p *TaskProcessor) Process(cluster string, taskList []*DecoratedTask) ([]*DecoratedTask, error) {
req := &ecs.ListTasksInput{Cluster: &cluster}
for {
listTaskResp, listTaskErr := p.svcEcs.ListTasks(req)
p.stats.AddStats(AWSCLIListTasks)
if listTaskErr != nil {
return taskList, newServiceDiscoveryError("Failed to list task ARNs for "+cluster, &listTaskErr)
}
descTaskResp, descTaskErr := p.svcEcs.DescribeTasks(&ecs.DescribeTasksInput{Cluster: &cluster, Tasks: listTaskResp.TaskArns})
p.stats.AddStats(AWSCLIDescribeTasks)
if descTaskErr != nil {
return taskList, newServiceDiscoveryError("Failed to describe ECS Tasks for "+cluster, &descTaskErr)
}
for _, f := range descTaskResp.Failures {
log.Printf("E! DescribeTask Failure for %v, Reason: %v, Detail: %v \n", *f.Arn, *f.Reason, *f.Detail)
}
for i := 0; i < len(descTaskResp.Tasks); i++ {
taskList = append(taskList, &DecoratedTask{Task: descTaskResp.Tasks[i], TaskDefinition: nil, EC2Info: nil})
}
if listTaskResp.NextToken == nil {
break
}
req.NextToken = listTaskResp.NextToken
}
return taskList, nil
}
func (p *TaskProcessor) ProcessorName() string {
return "TaskProcessor"
}