将 GetDistributionConfig 与 Amazon SDK 或命令行工具配合使用

获取 CloudFront 分配配置

以下示例获取有关 ID 为 EDFDVBD6EXAMPLE 的 CloudFront 分配的元数据，包括其 ETag。分配 ID 将在 create-distribution 和 list-distributions 命令中返回。

aws cloudfront get-distribution-config --id EDFDVBD6EXAMPLE

输出：

{
    "ETag": "E2QWRUHEXAMPLE",
    "DistributionConfig": {
        "CallerReference": "cli-example",
        "Aliases": {
            "Quantity": 0
        },
        "DefaultRootObject": "index.html",
        "Origins": {
            "Quantity": 1,
            "Items": [
                {
                    "Id": "awsexamplebucket.s3.amazonaws.com-cli-example",
                    "DomainName": "awsexamplebucket.s3.amazonaws.com",
                    "OriginPath": "",
                    "CustomHeaders": {
                        "Quantity": 0
                    },
                    "S3OriginConfig": {
                        "OriginAccessIdentity": ""
                    }
                }
            ]
        },
        "OriginGroups": {
            "Quantity": 0
        },
        "DefaultCacheBehavior": {
            "TargetOriginId": "awsexamplebucket.s3.amazonaws.com-cli-example",
            "ForwardedValues": {
                "QueryString": false,
                "Cookies": {
                    "Forward": "none"
                },
                "Headers": {
                    "Quantity": 0
                },
                "QueryStringCacheKeys": {
                    "Quantity": 0
                }
            },
            "TrustedSigners": {
                "Enabled": false,
                "Quantity": 0
            },
            "ViewerProtocolPolicy": "allow-all",
            "MinTTL": 0,
            "AllowedMethods": {
                "Quantity": 2,
                "Items": [
                    "HEAD",
                    "GET"
                ],
                "CachedMethods": {
                    "Quantity": 2,
                    "Items": [
                        "HEAD",
                        "GET"
                    ]
                }
            },
            "SmoothStreaming": false,
            "DefaultTTL": 86400,
            "MaxTTL": 31536000,
            "Compress": false,
            "LambdaFunctionAssociations": {
                "Quantity": 0
            },
            "FieldLevelEncryptionId": ""
        },
        "CacheBehaviors": {
            "Quantity": 0
        },
        "CustomErrorResponses": {
            "Quantity": 0
        },
        "Comment": "",
        "Logging": {
            "Enabled": false,
            "IncludeCookies": false,
            "Bucket": "",
            "Prefix": ""
        },
        "PriceClass": "PriceClass_All",
        "Enabled": true,
        "ViewerCertificate": {
            "CloudFrontDefaultCertificate": true,
            "MinimumProtocolVersion": "TLSv1",
            "CertificateSource": "cloudfront"
        },
        "Restrictions": {
            "GeoRestriction": {
                "RestrictionType": "none",
                "Quantity": 0
            }
        },
        "WebACLId": "",
        "HttpVersion": "http2",
        "IsIPV6Enabled": true
    }
}

示例 1：检索有关特定分配的配置。

Get-CFDistributionConfig -Id EXAMPLE0000ID

class CloudFrontWrapper:
    """Encapsulates Amazon CloudFront operations."""

    def __init__(self, cloudfront_client):
        """
        :param cloudfront_client: A Boto3 CloudFront client
        """
        self.cloudfront_client = cloudfront_client


    def update_distribution(self):
        distribution_id = input(
            "This script updates the comment for a CloudFront distribution.\n"
            "Enter a CloudFront distribution ID: "
        )

        distribution_config_response = self.cloudfront_client.get_distribution_config(
            Id=distribution_id
        )
        distribution_config = distribution_config_response["DistributionConfig"]
        distribution_etag = distribution_config_response["ETag"]

        distribution_config["Comment"] = input(
            f"\nThe current comment for distribution {distribution_id} is "
            f"'{distribution_config['Comment']}'.\n"
            f"Enter a new comment: "
        )
        self.cloudfront_client.update_distribution(
            DistributionConfig=distribution_config,
            Id=distribution_id,
            IfMatch=distribution_etag,
        )
        print("Done!")