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| 1 | +package awshandler |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "fmt" |
| 6 | + "log" |
| 7 | + |
| 8 | + "github.com/Cloud-Code-AI/cloudstate/services/utils" |
| 9 | + "github.com/aws/aws-sdk-go-v2/aws" |
| 10 | + "github.com/aws/aws-sdk-go-v2/service/autoscaling" |
| 11 | + "github.com/aws/aws-sdk-go-v2/service/autoscaling/types" |
| 12 | +) |
| 13 | + |
| 14 | +type autoscalingInfo struct { |
| 15 | + AutoScalingGroups []types.AutoScalingGroup `json:"groups"` |
| 16 | + AutoScalingInstances []types.AutoScalingInstanceDetails `json:"instances"` |
| 17 | + LaunchConfigurations []types.LaunchConfiguration `json:"metric_streams"` |
| 18 | +} |
| 19 | + |
| 20 | +// Gets all the AutoScaling Data for a given regions and |
| 21 | +// stores the results in output/{region}/autoscaling/metrics.json file |
| 22 | +func ListAutoscalingFn(sdkConfig aws.Config, parentpath string) { |
| 23 | + const maxItems = 50 |
| 24 | + |
| 25 | + // Create autoscaling service client |
| 26 | + client := autoscaling.NewFromConfig(sdkConfig) |
| 27 | + data := autoscalingInfo{ |
| 28 | + AutoScalingGroups: getAutoScalingGroups(client), |
| 29 | + AutoScalingInstances: getAutoScalingInstances(client), |
| 30 | + LaunchConfigurations: getLaunchConfigurations(client), |
| 31 | + } |
| 32 | + |
| 33 | + const ( |
| 34 | + path = "/autoscaling/data.json" |
| 35 | + ) |
| 36 | + |
| 37 | + stats := addAutoscalingStats(data) |
| 38 | + output := BasicTemplate{ |
| 39 | + Data: data, |
| 40 | + Stats: stats, |
| 41 | + } |
| 42 | + |
| 43 | + filepath := parentpath + sdkConfig.Region + path |
| 44 | + |
| 45 | + err := utils.WriteJSONToFile(filepath, output) |
| 46 | + if err != nil { |
| 47 | + fmt.Println("Error writing autoscaling data") |
| 48 | + } |
| 49 | + |
| 50 | +} |
| 51 | + |
| 52 | +func addAutoscalingStats(inp autoscalingInfo) interface{} { |
| 53 | + s := make(map[string]float64) |
| 54 | + s["autoscaling_groups"] = float64(len(inp.AutoScalingGroups)) |
| 55 | + s["autoscaling_instances"] = float64(len(inp.AutoScalingInstances)) |
| 56 | + s["launch_configurations"] = float64(len(inp.LaunchConfigurations)) |
| 57 | + return s |
| 58 | +} |
| 59 | + |
| 60 | +func getAutoScalingGroups(client *autoscaling.Client) []types.AutoScalingGroup { |
| 61 | + // Retrieve the AutoScaling dashboard |
| 62 | + result, err := client.DescribeAutoScalingGroups(context.TODO(), &autoscaling.DescribeAutoScalingGroupsInput{}) |
| 63 | + if err != nil { |
| 64 | + log.Fatalf("Unable to retrieve autoscaling groups, %v", err) |
| 65 | + } |
| 66 | + var groups []types.AutoScalingGroup |
| 67 | + // TODO: Add pagination updates |
| 68 | + groups = result.AutoScalingGroups |
| 69 | + return groups |
| 70 | +} |
| 71 | + |
| 72 | +func getAutoScalingInstances(client *autoscaling.Client) []types.AutoScalingInstanceDetails { |
| 73 | + // Retrieve the AutoScaling Instances |
| 74 | + result, err := client.DescribeAutoScalingInstances(context.TODO(), &autoscaling.DescribeAutoScalingInstancesInput{}) |
| 75 | + if err != nil { |
| 76 | + log.Fatalf("Unable to retrieve autoscaling instances, %v", err) |
| 77 | + } |
| 78 | + var instances []types.AutoScalingInstanceDetails |
| 79 | + // TODO: Add pagination updates |
| 80 | + instances = result.AutoScalingInstances |
| 81 | + return instances |
| 82 | +} |
| 83 | + |
| 84 | +func getLaunchConfigurations(client *autoscaling.Client) []types.LaunchConfiguration { |
| 85 | + // Retrieve the AutoScaling LaunchConfigurations |
| 86 | + result, err := client.DescribeLaunchConfigurations(context.TODO(), &autoscaling.DescribeLaunchConfigurationsInput{}) |
| 87 | + if err != nil { |
| 88 | + log.Fatalf("Unable to retrieve autoscaling configs, %v", err) |
| 89 | + } |
| 90 | + var configs []types.LaunchConfiguration |
| 91 | + // TODO: Add pagination updates |
| 92 | + configs = result.LaunchConfigurations |
| 93 | + return configs |
| 94 | +} |
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