cue modules: move stdlib to pkg/alpha.dagger.io

In preparation for Europa, we will vendor multiple CUE modules:

- `pkg/alpha.dagger.io`: legacy non-europa packages
- `pkg/dagger.io`: core Europa packages
- `pkg/universe.dagger.io`: Europa universe

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

pkg/alpha.dagger.io/aws/eks/code.cue

@@ -0,0 +1,27 @@
+package eks
+
+#Code: #"""
+	[ -e /cache/bin/kubectl ] || {
+	    curl -sfL https://dl.k8s.io/${KUBECTL_VERSION}/bin/linux/amd64/kubectl -o /cache/bin/kubectl \
+		&& chmod +x /cache/bin/kubectl
+	}
+
+	export KUBECONFIG=/kubeconfig
+	export PATH="$PATH:/cache/bin"
+
+	# Generate a kube configuration
+	aws eks update-kubeconfig --name "$EKS_CLUSTER"
+
+	# Figure out the kubernetes username
+	CONTEXT="$(kubectl config current-context)"
+	USER="$(kubectl config view -o json | \
+	    jq -r ".contexts[] | select(.name==\"$CONTEXT\") | .context.user")"
+
+	# Grab a kubernetes access token
+	ACCESS_TOKEN="$(aws eks get-token --cluster-name "$EKS_CLUSTER" | \
+	    jq -r .status.token)"
+
+	# Remove the user config and replace it with the token
+	kubectl config unset "users.${USER}"
+	kubectl config set-credentials "$USER" --token "$ACCESS_TOKEN"
+	"""#