Update cloud-init configuration, add launch script

Update cloud-init configuration per discussion with Dusty Mabe in #atomic on IRC (to fix circular dependency between docker and docker-storage-setup). Add launch script to make it easier.

Signed-off-by: Scott Lowe <scott.lowe@scottlowe.org>

centos-atomic/docker-cloudinit/cloud-config.yml

@@ -2,20 +2,18 @@
 # vim: syntax=yaml
 
 groups:
-  - docker: [root,centos]
-ssh_authorized_keys:
-  - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQChbmG4wPh/f5CtB5hmepkUHwLKCBXuVX7CcxryMDfXx4W/2ffLO9J/Ek1w58ED3o5/KExduXjwtpMAvOoBffJsaSmm+Tc1NwzyR7GZ75MJYE1/5z5gkBUkZpjmM6qXCpiD6m3jIbaSxxfNEBL64i6H+UL6Ak1LKuYCLutTex+f4Q0NgJvRQyyG2Ms04egWjp91Kbd/cTA3/zfXGI2T3ZvGScvLcUE/neUgBloykuYi0k+VcFK0RAPjqfITaZXs6vtcPLXSX6CR4eHwgM8WpfO3sCEFkMwIhystAFapzSRdfHgtln0XZz84iydcvZVW1o3W8FTiOoNxDoC9ph6XmlU3 scott.lowe@scottlowe.org
+  - docker: [centos,root]
 write_files:
   - content: |
       [Unit]
       Description=UNIX Socket for the Docker API
-      PartOf=docker.service
 
       [Socket]
       ListenStream=/var/run/docker.sock
       SocketMode=0660
       SocketUser=root
       SocketGroup=docker
+      Service=docker.service
 
       [Install]
       WantedBy=sockets.target
@@ -54,11 +52,13 @@ write_files:
     owner: root:root
     permissions: '0644'
 runcmd:
-  - systemctl daemon-reload
-  - systemctl enable docker.service
-  - systemctl enable docker.socket
-  - systemctl enable docker-tcp.socket
-  - systemctl stop docker.service
-  - systemctl start docker.socket
-  - systemctl start docker-tcp.socket
-  - systemctl start docker.service
+  - [ systemctl, start, docker-storage-setup ]
+  - [ systemctl, mask, docker-storage-setup ]
+  - [ systemctl, daemon-reload ]
+  - [ systemctl, enable, docker.service ]
+  - [ systemctl, enable, docker.socket ]
+  - [ systemctl, enable, docker-tcp.socket ]
+  - [ systemctl, stop, docker.service ]
+  - [ systemctl, start, docker.socket ]
+  - [ systemctl, start, docker-tcp.socket ]
+  - [ systemctl, start, docker.service ]

centos-atomic/docker-cloudinit/launch.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+#
+# This script assumes AWSCLI is installed and configured correctly
+
+# Set some variables to be used later
+TYPE="t2.micro"
+KEYNAME="aws_rsa"
+
+# First, capture the ID of the user's default VPC
+VPC_ID=$(aws --output text ec2 describe-vpcs \
+         --filters Name=isDefault,Values=true \
+         --query 'Vpcs[0].VpcId')
+
+# Use the captured VPC_ID to get the subnet ID of the first subnet
+# in the first (sorted alphabetically) availability zone in the user's
+# configured region
+SN_ID=$(aws --output text ec2 describe-subnets \
+        --filters Name=vpc-id,Values="$VPC_ID" \
+        --query 'sort_by(Subnets,&AvailabilityZone)[0].SubnetId')
+
+# Capture the ID of the security group named "default" in the
+# user's default VPC.
+SG_ID=$(aws --output text ec2 describe-security-groups \
+        --filters Name=group-name,Values="default" \
+        Name=vpc-id,Values="$VPC_ID" \
+        --query 'SecurityGroups[0].GroupId')
+
+# Capture the AMI ID for the latest version of CentOS 7 Atomic Host
+IMG_ID=$(aws --output text ec2 describe-images \
+         --owners 410186602215 \
+         --filters Name=name,Values="*CentOS Atomic*" \
+         --query 'sort_by(Images,&CreationDate)[-1].ImageId')
+
+# Launch an instance using the captured information from above (no cloud-init)
+#aws ec2 run-instances --image-id $IMG_ID --instance-type $TYPE \
+#--key-name $KEYNAME --subnet-id $SN_ID --security-group-ids $SG_ID
+
+# Launch an instance using the captured information from above (with cloud-init)
+aws ec2 run-instances --image-id $IMG_ID --instance-type $TYPE \
+--key-name $KEYNAME --user-data file://cloud-config.yml \
+--subnet-id $SN_ID --security-group-ids $SG_ID