2016-11-30 50 views
2

我無法讓AWS CLI從Docker容器中的S3下載文本文件。有一個VPC設置有VPC端點批准了S3政策:如何獲得VPC端點在Docker容器中工作?

{ 
    "Version": "2012-10-17", 
    "Statement": [ 
    { 
     "Sid": "DenyUnEncryptedObjectUploads", 
     "Effect": "Deny", 
     "Principal": "*", 
     "Action": "s3:PutObject", 
     "Resource": "arn:aws:s3:::secret-store/*", 
     "Condition": { 
     "StringNotEquals": { 
      "s3:x-amz-server-side-encryption": "AES256" 
     } 
     } 
    }, 
    { 
     "Sid": " DenyUnEncryptedInflightOperations", 
     "Effect": "Deny", 
     "Principal": "*", 
     "Action": "s3:*", 
     "Resource": "arn:aws:s3:::secret-store/*", 
     "Condition": { 
     "Bool": { 
      "aws:SecureTransport": "false" 
     } 
     } 
    }, 
    { 
     "Sid": "Access-to-specific-VPCE-only", 
     "Effect": "Deny", 
     "Principal": "*", 
     "Action": [ 
     "s3:GetObject", 
     "s3:PutObject", 
     "s3:DeleteObject" 
     ], 
     "Resource": "arn:aws:s3:::secret-store/*", 
     "Condition": { 
     "StringNotEquals": { 
      "aws:sourceVpce": "vpce-de7893b7" 
     } 
     } 
    } 
    ] 
} 

我使用的是Dockerfile用於安裝AWS CLI和調用的入口點腳本:

FROM java:8 
RUN apt-get update && \ 
    apt-get -y install python curl unzip && cd /tmp && \ 
    curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" \ 
    -o "awscli-bundle.zip" && \ 
    unzip awscli-bundle.zip && \ 
    ./awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws && \ 
    rm awscli-bundle.zip && rm -rf awscli-bundle 

COPY entrypoint.sh /entrypoint.sh 

ENTRYPOINT ["/entrypoint.sh"] 

入口點腳本設置在AWS CLI配置文件並調用aws s3 cp s3://bucket/file.txt -

#!/bin/bash 

mkdir ~/.aws 

echo '[default] 
aws_access_key_id= 
aws_secret_access_key= 
output=json 
region=us-west-2' > ~/.aws/config 

aws --version 

aws s3 cp s3://secret-store/test.txt - 

當我運行在EC2 CLI入口點腳本,我得到預期的迴應授權:

[[email protected] ~]$ ./entrypoint.sh 
mkdir: cannot create directory ‘/home/ec2-user/.aws’: File exists 
aws-cli/1.11.22 Python/2.7.5 Linux/3.10.0-514.el7.x86_64 botocore/1.4.79 
Hello secure VPC world! 

但我得到一個download failed (Forbidden)錯誤,當我從同一主機上的一個碼頭工人的圖像,這是成功運行相同的腳本:

[[email protected] ~]$ docker build . -t test && docker run test 
Sending build context to Docker daemon 15.89 MB 
Step 1 : FROM java:8 
---> 861e95c114d6 
Step 2 : RUN apt-get update &&  apt-get -y install python curl unzip && cd /tmp &&  curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip"  -o "awscli-bundle.zip" &&  unzip awscli-bundle.zip &&  ./awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws &&  rm awscli-bundle.zip && rm -rf awscli-bundle 
---> Using cache 
---> c948b9caeaae 
Step 3 : COPY entrypoint.sh /entrypoint.sh 
---> Using cache 
---> 9c1774cc5d57 
Step 4 : ENTRYPOINT /entrypoint.sh 
---> Running in 98179b1b7172 
---> d8f12456a198 
Removing intermediate container 98179b1b7172 
Successfully built d8f12456a198 
aws-cli/1.11.22 Python/2.7.9 Linux/3.10.0-514.el7.x86_64 botocore/1.4.79 
download failed: s3://secret-store/test.txt to - An error occurred (403) when calling the HeadObject operation: Forbidden 

誰知道爲什麼我得到一個禁止迴應在同一主機上運行的docker容器我從中獲得成功響應?

回答

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