VM Price Info Guide - cloud-barista/cb-spider GitHub Wiki

VM Price Info Guide

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1. CB-Spider VM Price Info Overview

  • CB-Spider provides VM pricing information from various CSPs (Cloud Service Providers) through a unified API.

  • Results are standardized in JSON format with a consistent structure.

  • Users can leverage this for efficient price comparison and VM selection decisions in multi-cloud environments.

  • The scope and validation criteria for the pricing information provided by CB-Spider are as follows:

    Item Description
    Provided Info OnDemand pricing based on VM Spec (USD / Hour) ※ VM Spec Price: inclusion of Root Disk and Network varies per CSP
    Method Latest pricing information based on each CSP's API ※ Exception: GCP provides latest pricing based on Compute Pricing Page (reason)
    Accuracy Price: 100% accurate / Count: slight variance allowed
    Validation Based on each CSP's official website pricing
    Supported CSPs AWS, Azure, GCP, Alibaba, Tencent, IBM, NCP

2. CB-Spider VM Price Info Status

  • Validation status and notes per supported CSP are as follows:

    CSP Price Accuracy Count Official Pricing Notes
    AWS Accurate Same as Web AWS EC2 Pricing
    Azure Accurate ~50 more than Web Azure VM Pricing
    GCP Accurate Some difference from Web GCP Compute Pricing Prices provided based on VM Specs available via API ※ API VM Spec list != Compute Pricing Page VM Spec list
    Alibaba Accurate May vary Alibaba ECS Pricing Count based on Available Instance Types
    Tencent Accurate ~10 more than Web Tencent CVM Pricing
    IBM Accurate ~10 fewer than Web IBM Pricing Some items not provided via API
    NCP Accurate G3 pricing not available NCP Server Pricing Current API does not provide G3 pricing

3. CB-Spider VM Price Info API and Response Examples

  • Users can retrieve VM pricing information in JSON format via the following CB-Spider REST API:

    GET /priceinfo/vm/{RegionName}

  • Example API call and response for AWS ap-northeast-2 (Seoul) region:

    [Request Example]

     curl -s 'http://localhost:1024/spider/priceinfo/vm/ap-northeast-2?ConnectionName=aws-config01' | json_pp

    [Response Example]

       {
      "CloudName" : "AWS",
      "Meta" : {
         "Description" : "Multi-Cloud Price Info",
         "Version" : "0.5"
      },
      "PriceList" : [
         {
            "PriceInfo" : {
               "OnDemand" : {
                  "Currency" : "USD",
                  "Description" : "$2.1018 per On Demand Linux m7gd.8xlarge Instance Hour",
                  "Price" : "2.1018",
                  "PricingId" : "SJ7S6NGHJ8HZZW7K.JRTCKXETXF.6YS6EN2CT7",
                  "Unit" : "Hour"
               },
               "CSPPriceInfo" : {... omitted ...}
            },
            "ProductInfo" : {
               "Description" : "productFamily= Compute Instance, version= 20250918064406",
               "ProductId" : "SJ7S6NGHJ8HZZW7K",
               "VMSpecInfo" : {
                  "DiskSizeGB" : "-1",
                  "MemSizeMiB" : "131072",
                  "Name" : "m7gd.8xlarge",
                  "Region" : "ap-northeast-2",
                  "VCpu" : {
                     "ClockGHz" : "-1",
                     "Count" : "32"
                  }
               },
               "CSPProductInfo" : {... omitted ...}
            },
            "ZoneName" : "NA"
         },
         ...
  • Example API call and response using the simple option:

    • simple option: returns only VMSpecName instead of the full VMSpec structure

      [Request Example]

      curl -s 'http://localhost:1024/spider/priceinfo/vm/ap-northeast-2?ConnectionName=aws-config01&simple' | json_pp

      [Response Example]

        {
     "CloudName" : "AWS",
     "Meta" : {
        "Description" : "Multi-Cloud Price Info",
        "Version" : "0.5"
     },
     "PriceList" : [
        {
           "PriceInfo" : {
              "OnDemand" : {
                 "Currency" : "USD",
                 "Description" : "$2.1018 per On Demand Linux m7gd.8xlarge Instance Hour",
                 "Price" : "2.1018",
                 "PricingId" : "SJ7S6NGHJ8HZZW7K.JRTCKXETXF.6YS6EN2CT7",
                 "Unit" : "Hour"
              },
              "CSPPriceInfo" : {... omitted ...}
           },
           "ProductInfo" : {
              "Description" : "productFamily= Compute Instance, version= 20250918064406",
              "ProductId" : "SJ7S6NGHJ8HZZW7K",
              "VMSpecName" : "m7gd.8xlarge"
              },
              "CSPProductInfo" : {... omitted ...}
           },
           "ZoneName" : "NA"
        },
        ...

4. CB-Spider VM Price Info AdminWeb Example

  • Navigate to the target CSP and go to the Price page as shown below.

image

  • Select the target Region and request VM Price information.

image

  • Example of AWS VM Price Info provided:

image