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Merge pull request #28 from flavioelawi/main
Add support for ECS Clusters
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@@ -19,4 +19,4 @@ execs | |
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| #logs | ||
| *.log | ||
| tmp | ||
| tmp | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,244 @@ | ||
| package aws | ||
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| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "strings" | ||
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| "github.com/aws/aws-sdk-go-v2/aws" | ||
| "github.com/aws/aws-sdk-go-v2/service/ecs" | ||
| "github.com/aws/aws-sdk-go-v2/service/ecs/types" | ||
| ) | ||
|
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| // --- ECS Clusters --- | ||
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| func ListEcsClusters(cfg aws.Config) ([]EcsClusterResp, error) { | ||
| ecsClient := ecs.NewFromConfig(cfg) | ||
| resultListClusters, err := ecsClient.ListClusters(context.TODO(), nil) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| var ecsClusterArns []string | ||
| ecsClusterArns = append(ecsClusterArns, resultListClusters.ClusterArns...) | ||
| describedClusters, err := DescribeEcsClusters(ecsClient, ecsClusterArns) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| var detailedClusters []EcsClusterResp | ||
| for _, cluster := range describedClusters.Clusters { | ||
| c := &EcsClusterResp{ClusterName: *cluster.ClusterName, Status: *cluster.Status, RunningTasksCount: fmt.Sprint(cluster.RunningTasksCount), ClusterArn: *cluster.ClusterArn} | ||
| detailedClusters = append(detailedClusters, *c) | ||
| } | ||
| return detailedClusters, nil | ||
|
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| } | ||
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| func DescribeEcsClusters(ecsClient *ecs.Client, clusters []string) (ecs.DescribeClustersOutput, error) { | ||
| detailedClusters, err := ecsClient.DescribeClusters(context.TODO(), &ecs.DescribeClustersInput{Clusters: clusters}) | ||
| if err != nil { | ||
| return ecs.DescribeClustersOutput{}, err | ||
| } | ||
| return *detailedClusters, nil | ||
|
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| } | ||
|
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| func GetClusterJSONResponse(cfg aws.Config, clusterName string) (string, error) { | ||
| ecsClient := ecs.NewFromConfig(cfg) | ||
| // Describe the specific cluster | ||
| describeClustersInput := &ecs.DescribeClustersInput{ | ||
| Clusters: []string{clusterName}, | ||
| } | ||
| result, err := ecsClient.DescribeClusters(context.TODO(), describeClustersInput) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| // Check if the cluster was found | ||
| if len(result.Clusters) == 0 { | ||
| errMessage := fmt.Sprintf("Cluster %s not found", clusterName) | ||
| return "", fmt.Errorf(errMessage) | ||
| } | ||
| // Marshal the cluster into a JSON string | ||
| jsonResponse, err := json.MarshalIndent(result.Clusters[0], "", " ") | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| return string(jsonResponse), nil | ||
| } | ||
|
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| // --- ECS Services --- | ||
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| func ListEcsServices(cfg aws.Config, clusterName string) ([]EcsServiceResp, error) { | ||
| ecsClient := ecs.NewFromConfig(cfg) | ||
| listServicesInput := &ecs.ListServicesInput{ | ||
| Cluster: &clusterName, | ||
| } | ||
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| result, err := ecsClient.ListServices(context.TODO(), listServicesInput) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| var ecsServiceArns []string | ||
| ecsServiceArns = append(ecsServiceArns, result.ServiceArns...) | ||
| describedServices, err := DescribeEcsServices(ecsClient, clusterName, ecsServiceArns) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| var detailedServices []EcsServiceResp | ||
| for _, service := range describedServices.Services { | ||
| s := &EcsServiceResp{ | ||
| ServiceName: *service.ServiceName, | ||
| Status: *service.Status, | ||
| DesiredCount: fmt.Sprint(service.DesiredCount), | ||
| RunningCount: fmt.Sprint(service.RunningCount), | ||
| TaskDefinition: *service.TaskDefinition, | ||
| ServiceArn: *service.ServiceArn, | ||
| } | ||
| detailedServices = append(detailedServices, *s) | ||
| } | ||
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| return detailedServices, nil | ||
| } | ||
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| func DescribeEcsServices(ecsClient *ecs.Client, clusterName string, serviceArns []string) (ecs.DescribeServicesOutput, error) { | ||
| describeServicesInput := &ecs.DescribeServicesInput{ | ||
| Cluster: &clusterName, | ||
| Services: serviceArns, | ||
| } | ||
| result, err := ecsClient.DescribeServices(context.TODO(), describeServicesInput) | ||
| if err != nil { | ||
| return ecs.DescribeServicesOutput{}, err | ||
| } | ||
| return *result, nil | ||
| } | ||
|
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| func GetEcsServiceJSONResponse(cfg aws.Config, clusterName, serviceName string) (string, error) { | ||
| ecsClient := ecs.NewFromConfig(cfg) | ||
| // Describe the specific service within the cluster | ||
| describeServicesInput := &ecs.DescribeServicesInput{ | ||
| Cluster: &clusterName, | ||
| Services: []string{serviceName}, | ||
| } | ||
| result, err := ecsClient.DescribeServices(context.TODO(), describeServicesInput) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| // Check if the service was found | ||
| if len(result.Services) == 0 { | ||
| errMessage := fmt.Sprintf("Service %s not found in cluster %s", serviceName, clusterName) | ||
| return "", fmt.Errorf(errMessage) | ||
| } | ||
| // Marshal the service into a JSON string | ||
| jsonResponse, err := json.MarshalIndent(result.Services[0], "", " ") | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| return string(jsonResponse), nil | ||
| } | ||
|
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| // --- ECS Tasks --- | ||
|
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| func ListEcsTasks(cfg aws.Config, clusterName, serviceName string) ([]EcsTaskResp, error) { | ||
| ecsClient := ecs.NewFromConfig(cfg) | ||
| taskDetails, err := DescribeEcsTasksForService(ecsClient, clusterName, serviceName) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| tasks := make([]EcsTaskResp, len(taskDetails.Tasks)) | ||
| for i, task := range taskDetails.Tasks { | ||
| t := &EcsTaskResp{ | ||
| TaskId: GetTaskIDFromArn(*task.TaskArn), | ||
| Task: &task, | ||
| } | ||
| tasks[i] = *t | ||
| } | ||
| return tasks, nil | ||
| } | ||
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| func DescribeEcsTasksForService(ecsClient *ecs.Client, clusterName, serviceName string) (*ecs.DescribeTasksOutput, error) { | ||
| listTasksInput := &ecs.ListTasksInput{ | ||
| Cluster: &clusterName, | ||
| ServiceName: &serviceName, | ||
| } | ||
|
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| result, err := ecsClient.ListTasks(context.TODO(), listTasksInput) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| describeTasksInput := &ecs.DescribeTasksInput{ | ||
| Cluster: &clusterName, | ||
| Tasks: result.TaskArns, | ||
| } | ||
|
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| taskDetails, err := ecsClient.DescribeTasks(context.TODO(), describeTasksInput) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| return taskDetails, nil | ||
| } | ||
|
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| func GetTaskJSONResponse(cfg aws.Config, clusterName, taskArn string) (string, error) { | ||
| ecsClient := ecs.NewFromConfig(cfg) | ||
| describeTasksInput := &ecs.DescribeTasksInput{ | ||
| Cluster: &clusterName, | ||
| Tasks: []string{GetTaskIDFromArn(taskArn)}, | ||
| } | ||
| taskDetails, err := ecsClient.DescribeTasks(context.TODO(), describeTasksInput) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| // Convert containers to JSON | ||
| jsonResponse, err := json.MarshalIndent(taskDetails.Tasks[0], "", " ") | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| return string(jsonResponse), nil | ||
| } | ||
|
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| // --- ECS Containers --- | ||
|
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| func ListContainersForTask(cfg aws.Config, clusterName, taskId string) ([]types.Container, error) { | ||
| ecsClient := ecs.NewFromConfig(cfg) | ||
| describeTasksInput := &ecs.DescribeTasksInput{ | ||
| Cluster: &clusterName, | ||
| Tasks: []string{taskId}, | ||
| } | ||
| taskDetails, err := ecsClient.DescribeTasks(context.TODO(), describeTasksInput) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if len(taskDetails.Tasks) == 0 { | ||
| return nil, fmt.Errorf("task with ID %s not found", taskId) | ||
| } | ||
| return taskDetails.Tasks[0].Containers, nil | ||
| } | ||
|
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| func GetECSContainerJsonResponse(cfg aws.Config, clusterName, taskId, runtimeId string) (string, error) { | ||
| ecsClient := ecs.NewFromConfig(cfg) | ||
| describeTasksInput := &ecs.DescribeTasksInput{ | ||
| Cluster: &clusterName, | ||
| Tasks: []string{taskId}, | ||
| } | ||
| taskDetails, err := ecsClient.DescribeTasks(context.Background(), describeTasksInput) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| for _, container := range taskDetails.Tasks[0].Containers { | ||
| if *container.RuntimeId == runtimeId { | ||
| jsonResponse, err := json.MarshalIndent(container, "", " ") | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| return string(jsonResponse), nil | ||
| } | ||
| } | ||
| return "", fmt.Errorf("container %s not found in task %s", runtimeId, taskId) | ||
| } | ||
|
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| func GetTaskIDFromArn(taskArn string) string { | ||
| parts := strings.Split(taskArn, "/") | ||
| return parts[len(parts)-1] | ||
| } |
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