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QUICKSTART: prefer resolve:ssm: parameters for simplicity #1363

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QUICKSTART: prefer resolve:ssm: parameters for simplicity #1363

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QUICKSTART: prefer resolve:ssm: parameters for simplicity
tjkirch Mar 3, 2021
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QUICKSTART: Remove BUILDING link
tjkirch Mar 4, 2021
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61 changes: 43 additions & 18 deletions QUICKSTART-ECS.md
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Expand Up @@ -36,38 +36,63 @@ aws ecs --region us-west-2 create-cluster --cluster-name bottlerocket

## Finding an AMI

You can either use an official AMI provided by Amazon or build an AMI yourself using
[our guide](https://github.com/bottlerocket-os/bottlerocket/blob/develop/BUILDING.md).
You can either build an AMI yourself using [our guide](BUILDING.md), or use an official AMI provided by Amazon.
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The currently supported regions are:

The official AMI IDs are stored in
[public SSM parameters](https://docs.aws.amazon.com/systems-manager/latest/userguide/parameter-store-public-parameters.html).
To find the `aws-ecs-1` variant for the `x86_64` architecture in the `us-west-2` region, you can use the following command:
```
af-south-1
ap-east-1
ap-northeast-1
ap-northeast-2
ap-south-1
ap-southeast-1
ap-southeast-2
ca-central-1
eu-central-1
eu-north-1
eu-south-1
eu-west-1
eu-west-2
eu-west-3
me-south-1
sa-east-1
us-east-1
us-east-2
us-west-1
us-west-2
```

The official AMI IDs are stored in [public SSM parameters](https://docs.aws.amazon.com/systems-manager/latest/userguide/parameter-store-public-parameters.html).
The parameter names look like this: `/aws/service/bottlerocket/aws-ecs-1/x86_64/latest/image_id`

Just change the variant (`aws-ecs-1`) and architecture (`x86_64`) to the ones you want to use.
Supported variants and architectures are described in the [README](README.md#variants).
For the purposes of SSM parameters, the valid architecture names are `x86_64` and `arm64` (also known as `aarch64`).
Also, if you know a specific Bottlerocket version you'd like to use, for example `1.0.6`, you can replace `latest` with that version.

Once you have the parameter name you want to use, the easiest way to use it is to pass it directly to EC2.
Just prefix the parameter name with `resolve:ssm:` and EC2 will fetch the current value for you.
(You can also use this method for CloudFormation and other services that launch EC2 instances for you.)

For example, to use the parameter above, you would pass this as the AMI ID in your launch request: `resolve:ssm:/aws/service/bottlerocket/aws-ecs-1/x86_64/latest/image_id`

#### Manually querying SSM

If you prefer to fetch the AMI ID yourself, you can use [aws-cli](https://aws.amazon.com/cli/) on the command line.
To fetch the example parameter above, for the us-west-2 region, you could run this:

```
aws ssm get-parameter --region us-west-2 --name "/aws/service/bottlerocket/aws-ecs-1/x86_64/latest/image_id" --query Parameter.Value --output text
```

If you have `jq` and would like a bit more information, try this:

```
aws ssm get-parameters --region us-west-2 \
--names "/aws/service/bottlerocket/aws-ecs-1/x86_64/latest/image_id" \
"/aws/service/bottlerocket/aws-ecs-1/x86_64/latest/image_version" \
--output json | jq -r '.Parameters | .[] | "\(.Name): \(.Value) (updated \(.LastModifiedDate | gmtime | strftime("%c")) UTC)"'
```

You can replace the architecture (`x86_64`) and region (`us-west-2`) to look for other images.
If you know a specific Bottlerocket version you'd like to use, you can replace `latest` with that version.

For example, to find the `1.0.0` version of the `aws-ecs-1` variant for the `arm64` architecture (also known as `aarch64`) in the `eu-west-1` region, you can use the following command:

```
aws ssm get-parameter --region eu-west-1 --name "/aws/service/bottlerocket/aws-ecs-1/arm64/1.0.0/image_id" --query Parameter.Value --output text
```

You can also see all available parameters
[through the web console](https://us-west-2.console.aws.amazon.com/systems-manager/parameters/#list_parameter_filters=Path:Recursive:%2Faws%2Fservice%2Fbottlerocket).

## Launching your first instance

In order to launch a Bottlerocket instance into your ECS cluster, you'll first need some information about the resources in your AWS account.
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30 changes: 17 additions & 13 deletions QUICKSTART-EKS.md
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Expand Up @@ -124,7 +124,23 @@ us-west-2
```

The official AMI IDs are stored in [public SSM parameters](https://docs.aws.amazon.com/systems-manager/latest/userguide/parameter-store-public-parameters.html).
Let's say you want to use the `aws-k8s-1.17` variant for the `x86_64` architecture, and you operate in the `us-west-2` region:
The parameter names look like this: `/aws/service/bottlerocket/aws-k8s-1.17/x86_64/latest/image_id`

Just change the variant (`aws-k8s-1.17`) and architecture (`x86_64`) to the ones you want to use.
Supported variants and architectures are described in the [README](README.md#variants).
For the purposes of SSM parameters, the valid architecture names are `x86_64` and `arm64` (also known as `aarch64`).
Also, if you know a specific Bottlerocket version you'd like to use, for example `1.0.6`, you can replace `latest` with that version.

Once you have the parameter name you want to use, the easiest way to use it is to pass it directly to EC2.
(You can also use this method for CloudFormation and other services that launch EC2 instances for you.)
Just prefix the parameter name with `resolve:ssm:` and EC2 will fetch the current value for you.

For example, to use the parameter above, you would pass this as the AMI ID in your launch request: `resolve:ssm:/aws/service/bottlerocket/aws-k8s-1.17/x86_64/latest/image_id`

#### Manually querying SSM

If you prefer to fetch the AMI ID yourself, you can use [aws-cli](https://aws.amazon.com/cli/) on the command line.
To fetch the example parameter above, for the us-west-2 region, you could run this:

```
aws ssm get-parameter --region us-west-2 --name "/aws/service/bottlerocket/aws-k8s-1.17/x86_64/latest/image_id" --query Parameter.Value --output text
Expand All @@ -138,18 +154,6 @@ aws ssm get-parameters --region us-west-2 \
--output json | jq -r '.Parameters | .[] | "\(.Name): \(.Value) (updated \(.LastModifiedDate | gmtime | strftime("%c")) UTC)"'
```

You can replace the variant (`aws-k8s-1.17`) and architecture (`x86_64`) to look for other images.
Supported variants and architectures are described in the [README](README.md).
If you know a specific Bottlerocket version you'd like to use, you can replace `latest` with that version.

For example, to find the `1.0.0` version of the `aws-k8s-1.15` variant for the `arm64` architecture (also known as `aarch64`) in the `eu-west-1` region, you can use the following command:

```
aws ssm get-parameter --region eu-west-1 --name "/aws/service/bottlerocket/aws-k8s-1.15/arm64/1.0.0/image_id" --query Parameter.Value --output text
```

You can also see all available parameters [through the web console](https://us-west-2.console.aws.amazon.com/systems-manager/parameters/#list_parameter_filters=Path:Recursive:%2Faws%2Fservice%2Fbottlerocket).

### Cluster setup

*Note:* most commands will have a region argument; make sure to change it if you don't want to set up in us-west-2.
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