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ecs.go
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ecs.go
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package aws
import (
"fmt"
"testing"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/ecs"
"github.com/stretchr/testify/require"
)
// GetEcsCluster fetches information about specified ECS cluster.
func GetEcsCluster(t *testing.T, region string, name string) *ecs.Cluster {
cluster, err := GetEcsClusterE(t, region, name)
require.NoError(t, err)
return cluster
}
// GetEcsClusterE fetches information about specified ECS cluster.
func GetEcsClusterE(t *testing.T, region string, name string) (*ecs.Cluster, error) {
client, err := NewEcsClientE(t, region)
if err != nil {
return nil, err
}
input := &ecs.DescribeClustersInput{
Clusters: []*string{
aws.String(name),
},
}
output, err := client.DescribeClusters(input)
if err != nil {
return nil, err
}
numClusters := len(output.Clusters)
if numClusters != 1 {
return nil, fmt.Errorf("Expected to find 1 ECS cluster named '%s' in region '%v', but found '%d'",
name, region, numClusters)
}
return output.Clusters[0], nil
}
// GetDefaultEcsClusterE fetches information about default ECS cluster.
func GetDefaultEcsClusterE(t *testing.T, region string) (*ecs.Cluster, error) {
return GetEcsClusterE(t, region, "default")
}
// GetDefaultEcsCluster fetches information about default ECS cluster.
func GetDefaultEcsCluster(t *testing.T, region string) *ecs.Cluster {
return GetEcsCluster(t, region, "default")
}
// CreateEcsCluster creates ECS cluster in the given region under the given name.
func CreateEcsCluster(t *testing.T, region string, name string) *ecs.Cluster {
cluster, err := CreateEcsClusterE(t, region, name)
require.NoError(t, err)
return cluster
}
// CreateEcsClusterE creates ECS cluster in the given region under the given name.
func CreateEcsClusterE(t *testing.T, region string, name string) (*ecs.Cluster, error) {
client := NewEcsClient(t, region)
cluster, err := client.CreateCluster(&ecs.CreateClusterInput{
ClusterName: aws.String(name),
})
if err != nil {
return nil, err
}
return cluster.Cluster, nil
}
func DeleteEcsCluster(t *testing.T, region string, cluster *ecs.Cluster) {
err := DeleteEcsClusterE(t, region, cluster)
require.NoError(t, err)
}
// DeleteEcsClusterE deletes existing ECS cluster in the given region.
func DeleteEcsClusterE(t *testing.T, region string, cluster *ecs.Cluster) error {
client := NewEcsClient(t, region)
_, err := client.DeleteCluster(&ecs.DeleteClusterInput{
Cluster: aws.String(*cluster.ClusterName),
})
return err
}
// GetEcsService fetches information about specified ECS service.
func GetEcsService(t *testing.T, region string, clusterName string, serviceName string) *ecs.Service {
service, err := GetEcsServiceE(t, region, clusterName, serviceName)
require.NoError(t, err)
return service
}
// GetEcsServiceE fetches information about specified ECS service.
func GetEcsServiceE(t *testing.T, region string, clusterName string, serviceName string) (*ecs.Service, error) {
output, err := NewEcsClient(t, region).DescribeServices(&ecs.DescribeServicesInput{
Cluster: aws.String(clusterName),
Services: []*string{
aws.String(serviceName),
},
})
if err != nil {
return nil, err
}
numServices := len(output.Services)
if numServices != 1 {
return nil, fmt.Errorf(
"Expected to find 1 ECS service named '%s' in cluster '%s' in region '%v', but found '%d'",
serviceName, clusterName, region, numServices)
}
return output.Services[0], nil
}
// GetEcsTaskDefinition fetches information about specified ECS task definition.
func GetEcsTaskDefinition(t *testing.T, region string, taskDefinition string) *ecs.TaskDefinition {
task, err := GetEcsTaskDefinitionE(t, region, taskDefinition)
require.NoError(t, err)
return task
}
// GetEcsTaskDefinitionE fetches information about specified ECS task definition.
func GetEcsTaskDefinitionE(t *testing.T, region string, taskDefinition string) (*ecs.TaskDefinition, error) {
output, err := NewEcsClient(t, region).DescribeTaskDefinition(&ecs.DescribeTaskDefinitionInput{
TaskDefinition: aws.String(taskDefinition),
})
if err != nil {
return nil, err
}
return output.TaskDefinition, nil
}
// NewEcsClient creates en ECS client.
func NewEcsClient(t *testing.T, region string) *ecs.ECS {
client, err := NewEcsClientE(t, region)
require.NoError(t, err)
return client
}
// NewEcsClientE creates an ECS client.
func NewEcsClientE(t *testing.T, region string) (*ecs.ECS, error) {
sess, err := NewAuthenticatedSession(region)
if err != nil {
return nil, err
}
return ecs.New(sess), nil
}