├── Dockerfile
└── README.md


/Dockerfile:
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 1 | 
 2 | FROM alpine:latest
 3 | 
 4 | RUN apk add --update \
 5 |     python \
 6 |     groff \
 7 |     py2-pip && \
 8 |     adduser -D aws
 9 | 
10 | ENV PAGER='cat'
11 | 
12 | WORKDIR /home/aws
13 | 
14 | RUN mkdir aws && \
15 |     pip install --upgrade pip && \
16 |     pip install awscli
17 | 
18 | USER aws
19 | 


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/README.md:
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 1 | # AWS CLI on CoreOS
 2 | 
 3 | No, you can't install `aws-cli` on CoreOS.
 4 | 
 5 | Yes, you can run this container and call out to it.
 6 | 
 7 | ## Problem
 8 | 
 9 | I wanted to pull container images from my Elastic Container Registry (ECR) into my CoreOS on EC2, but in an automated way.
10 | 
11 |   * Sure I could do it manually just fine.
12 |   * I wanted to do it automatically.
13 |   * AWS documentation offered no obvious solution beyond "use ECS" which has its own share of problems.
14 | 
15 | ## Solution
16 | 
17 | Run a container within CoreOS that has the aws cli tools installed, and simply mount a volume from CoreOS that contains the necessary configuration. Run commands from within that.
18 | 
19 | ## Instructions
20 | 
21 | ### Run
22 | 
23 | ```bash
24 | docker build -t jdrago999/aws-cli .
25 | ```
26 | 
27 | ### Configuration files
28 | 
29 | Make sure `~/.aws/config` and `~/.aws/credentials` exist in your CoreOS instance.
30 | 
31 | #### `~/.aws/config`
32 | 
33 | ```
34 | [default]
35 | region = us-east-1
36 | ```
37 | 
38 | #### `~/.aws/credentials`
39 | 
40 | ```
41 | [default]
42 | aws_access_key_id = AKIXXXXXXXXXXXXXXXXX
43 | aws_secret_access_key = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
44 | ```
45 | 
46 | ### Run your commands within the container
47 | 
48 | ```bash
49 | docker run -it -v $HOME/.aws:/home/aws/.aws jdrago999/aws-cli <command> <args>
50 | ```
51 | 
52 | #### Examples
53 | 
54 | **List Buckets**
55 | 
56 | ```bash
57 | docker run -it -v $HOME/.aws:/home/aws/.aws jdrago999/aws-cli aws s3 ls
58 | ```
59 | 
60 | **Get ECR Login**
61 | 
62 | ```bash
63 | docker run -it -v $HOME/.aws:/home/aws/.aws jdrago999/aws-cli aws ecr get-login
64 | ```
65 | 
66 | **Use a named profile**
67 | 
68 | ```bash
69 | run -it -v $HOME/.aws:/home/aws/.aws jdrago999/aws-cli aws ecr get-login --profile groove
70 | ```
71 | 
72 | ## See Also
73 | 
74 |   * https://www.linkedin.com/pulse/use-aws-cli-from-coreos-via-docker-easy-way-john-drago
75 | 
76 | 


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