Chilkat Online Tools

GetEC2InstanceRecommendations Go Example

AWS Compute Optimizer

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    rest := chilkat.NewRest()
    var success bool

    authAws := chilkat.NewAuthAws()
    authAws.SetAccessKey("AWS_ACCESS_KEY")
    authAws.SetSecretKey("AWS_SECRET_KEY")

    // Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
    authAws.SetRegion("us-west-2")
    authAws.SetServiceName("compute-optimizer")
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.SetAuthAws(authAws)

    // URL: https://compute-optimizer.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect("compute-optimizer.us-west-2.amazonaws.com",443,true,true)
    if success != true {
        fmt.Println("ConnectFailReason: ", rest.ConnectFailReason())
        fmt.Println(rest.LastErrorText())
        rest.DisposeRest()
        authAws.DisposeAuthAws()
        return
    }

    // The following code creates the JSON request body.
    // The JSON created by this code is shown below.

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

    json := chilkat.NewJsonObject()
    json.UpdateString("accountIds[0]","string")
    json.UpdateString("filters[0].name","string")
    json.UpdateString("filters[0].values[0]","string")
    json.UpdateString("instanceArns[0]","string")
    json.UpdateInt("maxResults",123)
    json.UpdateString("nextToken","string")
    json.UpdateString("recommendationPreferences.cpuVendorArchitectures[0]","string")

    // The JSON request body created by the above code:

    // {
    //   "accountIds": [
    //     "string"
    //   ],
    //   "filters": [
    //     {
    //       "name": "string",
    //       "values": [
    //         "string"
    //       ]
    //     }
    //   ],
    //   "instanceArns": [
    //     "string"
    //   ],
    //   "maxResults": number,
    //   "nextToken": "string",
    //   "recommendationPreferences": {
    //     "cpuVendorArchitectures": [
    //       "string"
    //     ]
    //   }
    // }

    rest.AddHeader("Content-Type","application/x-amz-json-1.0")
    rest.AddHeader("X-Amz-Target","ComputeOptimizerService.GetEC2InstanceRecommendations")

    sbRequestBody := chilkat.NewStringBuilder()
    json.EmitSb(sbRequestBody)
    sbResponseBody := chilkat.NewStringBuilder()
    success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
    if success != true {
        fmt.Println(rest.LastErrorText())
        rest.DisposeRest()
        authAws.DisposeAuthAws()
        json.DisposeJsonObject()
        sbRequestBody.DisposeStringBuilder()
        sbResponseBody.DisposeStringBuilder()
        return
    }

    respStatusCode := rest.ResponseStatusCode()
    fmt.Println("response status code = ", respStatusCode)
    if respStatusCode != 200 {
        fmt.Println("Response Header:")
        fmt.Println(rest.ResponseHeader())
        fmt.Println("Response Body:")
        fmt.Println(*sbResponseBody.GetAsString())
        rest.DisposeRest()
        authAws.DisposeAuthAws()
        json.DisposeJsonObject()
        sbRequestBody.DisposeStringBuilder()
        sbResponseBody.DisposeStringBuilder()
        return
    }

    jResp := chilkat.NewJsonObject()
    jResp.LoadSb(sbResponseBody)

    // The following code parses the JSON response.
    // A sample JSON response is shown below the sample code.

    // Use this online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

code_DECLARATION
identifier_DECLARATION
message_DECLARATION
accountId_DECLARATION
currentInstanceType_DECLARATION
currentPerformanceRisk_DECLARATION
EnhancedInfrastructureMetrics_DECLARATION
InferredWorkloadTypes_DECLARATION
finding_DECLARATION
instanceArn_DECLARATION
instanceName_DECLARATION
    var lastRefreshTimestamp int
    var lookBackPeriodInDays int
    var j int
    var count_j int
strVal_DECLARATION
instanceType_DECLARATION
migrationEffort_DECLARATION
    var performanceRisk int
    var rank int
v_Currency_DECLARATION
    var Value int
    var SavingsOpportunityPercentage int
    var k int
    var count_k int
name_DECLARATION
statistic_DECLARATION
    var value int
recommendationSourceArn_DECLARATION
recommendationSourceType_DECLARATION

    nextToken := jResp.StringOf("nextToken")
    i := 0
    count_i := jResp.SizeOfArray("errors")
    for i < count_i {
        jResp.SetI(i)
        code = *jResp.StringOf("errors[i].code")
        identifier = *jResp.StringOf("errors[i].identifier")
        message = *jResp.StringOf("errors[i].message")
        i = i + 1
    }

    i = 0
    count_i = jResp.SizeOfArray("instanceRecommendations")
    for i < count_i {
        jResp.SetI(i)
        accountId = *jResp.StringOf("instanceRecommendations[i].accountId")
        currentInstanceType = *jResp.StringOf("instanceRecommendations[i].currentInstanceType")
        currentPerformanceRisk = *jResp.StringOf("instanceRecommendations[i].currentPerformanceRisk")
        EnhancedInfrastructureMetrics = *jResp.StringOf("instanceRecommendations[i].effectiveRecommendationPreferences.enhancedInfrastructureMetrics")
        InferredWorkloadTypes = *jResp.StringOf("instanceRecommendations[i].effectiveRecommendationPreferences.inferredWorkloadTypes")
        finding = *jResp.StringOf("instanceRecommendations[i].finding")
        instanceArn = *jResp.StringOf("instanceRecommendations[i].instanceArn")
        instanceName = *jResp.StringOf("instanceRecommendations[i].instanceName")
        lastRefreshTimestamp = jResp.IntOf("instanceRecommendations[i].lastRefreshTimestamp")
        lookBackPeriodInDays = jResp.IntOf("instanceRecommendations[i].lookBackPeriodInDays")
        j = 0
        count_j = jResp.SizeOfArray("instanceRecommendations[i].effectiveRecommendationPreferences.cpuVendorArchitectures")
        for j < count_j {
            jResp.SetJ(j)
            strVal = *jResp.StringOf("instanceRecommendations[i].effectiveRecommendationPreferences.cpuVendorArchitectures[j]")
            j = j + 1
        }

        j = 0
        count_j = jResp.SizeOfArray("instanceRecommendations[i].findingReasonCodes")
        for j < count_j {
            jResp.SetJ(j)
            strVal = *jResp.StringOf("instanceRecommendations[i].findingReasonCodes[j]")
            j = j + 1
        }

        j = 0
        count_j = jResp.SizeOfArray("instanceRecommendations[i].inferredWorkloadTypes")
        for j < count_j {
            jResp.SetJ(j)
            strVal = *jResp.StringOf("instanceRecommendations[i].inferredWorkloadTypes[j]")
            j = j + 1
        }

        j = 0
        count_j = jResp.SizeOfArray("instanceRecommendations[i].recommendationOptions")
        for j < count_j {
            jResp.SetJ(j)
            instanceType = *jResp.StringOf("instanceRecommendations[i].recommendationOptions[j].instanceType")
            migrationEffort = *jResp.StringOf("instanceRecommendations[i].recommendationOptions[j].migrationEffort")
            performanceRisk = jResp.IntOf("instanceRecommendations[i].recommendationOptions[j].performanceRisk")
            rank = jResp.IntOf("instanceRecommendations[i].recommendationOptions[j].rank")
            v_Currency = *jResp.StringOf("instanceRecommendations[i].recommendationOptions[j].savingsOpportunity.estimatedMonthlySavings.currency")
            Value = jResp.IntOf("instanceRecommendations[i].recommendationOptions[j].savingsOpportunity.estimatedMonthlySavings.value")
            SavingsOpportunityPercentage = jResp.IntOf("instanceRecommendations[i].recommendationOptions[j].savingsOpportunity.savingsOpportunityPercentage")
            k = 0
            count_k = jResp.SizeOfArray("instanceRecommendations[i].recommendationOptions[j].platformDifferences")
            for k < count_k {
                jResp.SetK(k)
                strVal = *jResp.StringOf("instanceRecommendations[i].recommendationOptions[j].platformDifferences[k]")
                k = k + 1
            }

            k = 0
            count_k = jResp.SizeOfArray("instanceRecommendations[i].recommendationOptions[j].projectedUtilizationMetrics")
            for k < count_k {
                jResp.SetK(k)
                name = *jResp.StringOf("instanceRecommendations[i].recommendationOptions[j].projectedUtilizationMetrics[k].name")
                statistic = *jResp.StringOf("instanceRecommendations[i].recommendationOptions[j].projectedUtilizationMetrics[k].statistic")
                value = jResp.IntOf("instanceRecommendations[i].recommendationOptions[j].projectedUtilizationMetrics[k].value")
                k = k + 1
            }

            j = j + 1
        }

        j = 0
        count_j = jResp.SizeOfArray("instanceRecommendations[i].recommendationSources")
        for j < count_j {
            jResp.SetJ(j)
            recommendationSourceArn = *jResp.StringOf("instanceRecommendations[i].recommendationSources[j].recommendationSourceArn")
            recommendationSourceType = *jResp.StringOf("instanceRecommendations[i].recommendationSources[j].recommendationSourceType")
            j = j + 1
        }

        j = 0
        count_j = jResp.SizeOfArray("instanceRecommendations[i].utilizationMetrics")
        for j < count_j {
            jResp.SetJ(j)
            name = *jResp.StringOf("instanceRecommendations[i].utilizationMetrics[j].name")
            statistic = *jResp.StringOf("instanceRecommendations[i].utilizationMetrics[j].statistic")
            value = jResp.IntOf("instanceRecommendations[i].utilizationMetrics[j].value")
            j = j + 1
        }

        i = i + 1
    }

    // A sample JSON response body parsed by the above code:

    // {
    //   "errors": [
    //     {
    //       "code": "string",
    //       "identifier": "string",
    //       "message": "string"
    //     }
    //   ],
    //   "instanceRecommendations": [
    //     {
    //       "accountId": "string",
    //       "currentInstanceType": "string",
    //       "currentPerformanceRisk": "string",
    //       "effectiveRecommendationPreferences": {
    //         "cpuVendorArchitectures": [
    //           "string"
    //         ],
    //         "enhancedInfrastructureMetrics": "string",
    //         "inferredWorkloadTypes": "string"
    //       },
    //       "finding": "string",
    //       "findingReasonCodes": [
    //         "string"
    //       ],
    //       "inferredWorkloadTypes": [
    //         "string"
    //       ],
    //       "instanceArn": "string",
    //       "instanceName": "string",
    //       "lastRefreshTimestamp": number,
    //       "lookBackPeriodInDays": number,
    //       "recommendationOptions": [
    //         {
    //           "instanceType": "string",
    //           "migrationEffort": "string",
    //           "performanceRisk": number,
    //           "platformDifferences": [
    //             "string"
    //           ],
    //           "projectedUtilizationMetrics": [
    //             {
    //               "name": "string",
    //               "statistic": "string",
    //               "value": number
    //             }
    //           ],
    //           "rank": number,
    //           "savingsOpportunity": {
    //             "estimatedMonthlySavings": {
    //               "currency": "string",
    //               "value": number
    //             },
    //             "savingsOpportunityPercentage": number
    //           }
    //         }
    //       ],
    //       "recommendationSources": [
    //         {
    //           "recommendationSourceArn": "string",
    //           "recommendationSourceType": "string"
    //         }
    //       ],
    //       "utilizationMetrics": [
    //         {
    //           "name": "string",
    //           "statistic": "string",
    //           "value": number
    //         }
    //       ]
    //     }
    //   ],
    //   "nextToken": "string"
    // }

    rest.DisposeRest()
    authAws.DisposeAuthAws()
    json.DisposeJsonObject()
    sbRequestBody.DisposeStringBuilder()
    sbResponseBody.DisposeStringBuilder()
    jResp.DisposeJsonObject()