Add sample config file and instructions

providers/aws/README.md

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+# AWS Fargate
+
+[AWS Fargate](https://aws.amazon.com/fargate/) is a technology for deploying and managing containers
+without having to manage any of the underlying infrastructure. With AWS Fargate, you no longer have
+to provision, configure, and scale clusters of virtual machines to run containers. This removes the
+need to choose server types, decide when to scale your clusters, or optimize cluster packing.
+
+Fargate makes it easy to scale your applications. You no longer have to worry about provisioning
+enough compute resources. You can launch tens or tens of thousands of containers in seconds. Fargate
+lets you focus on designing and building your applications instead of managing the infrastructure
+that runs them.
+
+With Fargate, billing is at a per second granularity and you only pay for what you use. You pay for
+the amount of vCPU and memory resources your containerized application requests. vCPU and memory
+resources are calculated from the time your container images are pulled until they terminate,
+rounded up to the nearest second.
+
+## Fargate virtual-kubelet provider
+
+Fargate virtual-kubelet provider configures a Fargate cluster in AWS. Fargate resources show as a
+node in your Kubernetes cluster. Pods scheduled on the Fargate node are deployed as Fargate
+instances as if Fargate is a standard Kubernetes node.
+
+## Configuration
+
+A [sample configuration file](fargate.toml) is available.
+
+## Usage
+
+``
+virtual-kubelet --provider aws --provider-config fargate.toml
+``

providers/aws/fargate.toml

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+#
+# Example configuration file for virtual-kubelet AWS Fargate provider.
+#
+# Usage:
+# virtual-kubelet --provider aws --provider-config fargate.toml
+#
+
+# AWS region where Fargate resources are provisioned. Mandatory.
+Region = "us-east-1"
+
+# Fargate cluster name. Optional. Defaults to "default".
+# If a cluster with this name does not exist in the region, virtual-kubelet will create it.
+# Although the same Fargate cluster can be shared by multiple virtual-kubelets,
+# we recommend to create a dedicated Fargate cluster for each virtual-kubelet.
+ClusterName = "fargate1"
+
+# List of subnets that pods are connected to. Mandatory.
+Subnets = ["subnet-12345678"]
+
+# List of security groups for pods. Optional.
+# If omitted, pods inherit their VPC's default security group.
+SecurityGroups = ["sg-12345678", "sg-87654321"]
+
+# Whether pod ENIs are assigned a public IPv4 address. Optional. Defaults to false.
+AssignPublicIPv4Address = false
+
+# Fargate platform version. Optional. Defaults to "LATEST".
+# https://docs.aws.amazon.com/AmazonECS/latest/developerguide/platform_versions.html
+PlatformVersion = "LATEST"
+
+# Operating system for pods. Optional. Defaults to "Linux".
+OperatingSystem = "Linux"
+
+# Fargate capacity advertised by virtual-kubelet. Optional. Defaults to the values below.
+# Capacity is specified using Kubernetes resource format.
+# https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/
+CPU = "20"
+Memory = "40Gi"
+Pods = "20"

providers/aws/fargate/region.go

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+package fargate
+
+import (
+	"strings"
+)
+
+// Regions is the set of AWS regions where a service is available.
+// https://aws.amazon.com/about-aws/global-infrastructure/regional-product-services/
+type Regions []string
+
+var (
+	// FargateRegions are AWS regions where Fargate is available.
+	FargateRegions = Regions{
+		"us-east-1",
+	}
+)
+
+// Include returns whether the region set includes the given region.
+func (r Regions) Include(region string) bool {
+	region = strings.ToLower(region)
+	region = strings.Trim(region, " ")
+
+	for _, name := range r {
+		if name == region {
+			return true
+		}
+	}
+
+	return false
+}
+
+// Names returns an array of region names.
+func (r Regions) Names() []string {
+	names := make([]string, 0, len(r))
+
+	for _, name := range r {
+		names = append(names, name)
+	}
+
+	return names
+}