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AWS Config resource schema define the properties and types of AWS Config resource configuration items (CIs). Resource CI schema are used by developers when performing advanced resource queries and when processing CI data.

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AWS Config Resource Schema

AWS Config resource property files define the properties and types of the AWS Config resource configuration items (CIs) that are searchable using the SelectResources API. These files ease discovery of searchable properties and allow API users to more accurately craft queries suited for specific resource types.

Documentation for the SelectResources API can be found here: Querying the Current Configuration State of AWS Resources

This repository has the following directory structure:

└── config
    ├── properties
    │   ├── AWS.properties.json
    │   └── resource-types
    │       ├── AWS::ACM::Certificate.properties.json
    │       ├── AWS::AutoScaling::AutoScalingGroup.properties.json
    ...     ...

Resource Properties

Resource property (.properties.json) files are JSON-encoded and have the following shape:

{
  "...": "...",
  "sample.property.name": "string",
  "...": "...",
}

Here sample.property.name is the name of a property and string is its type. Currently, the following types are supported:

  • boolean: a Boolean value
  • cidr_block: a CIDR block (e.g., 192.168.1.0/24)
  • date: a date/time instance
  • float: a floating point value
  • integer: an integer value
  • ip: an IP address (e.g., 192.168.1.1)
  • string: a character sequence

Resource property files exist for each resource type Config supports; they are located in the config/properties/resource-types directory; they are named according to the corresponding Config resource type name (e.g., the properties file for resource type AWS::EC2::Instance is AWS::EC2::Instance.properties.json). A merged property file containing resource properties for all AWS resource types is located in config/properties/AWS.properties.json.

Example Usage 1

Assume we want to search for all S3 buckets having tag key CostCenter, and tag value 12345 in region ap-northeast-1 with a name starting with quicksilver. To find the corresponding properties, first open the resource properties file for the resource type AWS::S3::Bucket. Therein, find the relevant properties:

{
  "...": "...",
  "awsRegion": "string",
  "...": "...",
  "resourceName": "string",
  "resourceType": "string",
  "...": "...",
  "tags.tag": "string",
  "...": "...",
}

Then use them to craft the query:

SELECT resourceId WHERE resourceType='AWS::S3::Bucket' AND awsRegion='ap-northeast-1' AND resourceName LIKE 'quicksilver%' AND tags.tag='CostCenter=12345'

(Note that the tags.tag property is a concatenation of the tags.key and tags.value properties and makes it possible to search using both tag key and value components simultaneously. For instance, if tags.key has the value Stage and tags.value has the value Production, tags.tag will have the value Stage=Production (concatenated with an = sign).)

Example Usage 2

Assume we want to count the number of EC2 instances having tag key Stage (and any tag value), in availability zone us-east-1a running AMI image ID ami-12345. To find the corresponding properties, first open the resource properties file for the resource type AWS::EC2::Instance. Therein, find the relevant properties:

{
  "...": "...",
  "availabilityZone": "string",
  "...": "...",
  "configuration.imageId": "string",
  "...": "...",
  "resourceType": "string",
  "...": "...",
  "tags.key": "string",
  "...": "...",
}

Then use them to craft the query:

SELECT COUNT(resourceId) WHERE resourceType='AWS::EC2::Instance' AND availabilityZone='us-east-1a' AND configuration.imageId='ami-12345' AND tags.key='Stage'

(Note that, as mentioned above the tags.key property refers only to the key or "name" of the tag.)

License

This library is licensed under the Apache 2.0 License.

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AWS Config resource schema define the properties and types of AWS Config resource configuration items (CIs). Resource CI schema are used by developers when performing advanced resource queries and when processing CI data.

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