Update test build script to push containerd variant

Signed-off-by: Derek McGowan <derek@mcg.dev>

test/e2e_node/init.yaml

@@ -0,0 +1,73 @@
+#cloud-config
+
+write_files:
+  - path: /etc/systemd/system/containerd-installation.service
+    permissions: 0644
+    owner: root
+    content: |
+      # installed by cloud-init
+      [Unit]
+      Description=Download and install containerd binaries and configurations.
+      After=network-online.target
+
+      [Service]
+      Type=oneshot
+      RemainAfterExit=yes
+      ExecStartPre=/bin/mkdir -p /home/containerd
+      ExecStartPre=/bin/mount --bind /home/containerd /home/containerd
+      ExecStartPre=/bin/mount -o remount,exec /home/containerd
+      ExecStartPre=/usr/bin/curl --fail --retry 5 --retry-delay 3 --silent --show-error -H "X-Google-Metadata-Request: True" -o /home/containerd/configure.sh http://metadata.google.internal/computeMetadata/v1/instance/attributes/containerd-configure-sh
+      ExecStartPre=/bin/chmod 544 /home/containerd/configure.sh
+      ExecStart=/home/containerd/configure.sh
+
+      [Install]
+      WantedBy=containerd.target
+
+  - path: /etc/systemd/system/containerd.service
+    permissions: 0644
+    owner: root
+    content: |
+      # installed by cloud-init
+      [Unit]
+      Description=containerd container runtime
+      Documentation=https://containerd.io
+      After=containerd-installation.service
+
+      [Service]
+      Restart=always
+      RestartSec=5
+      Delegate=yes
+      KillMode=process
+      OOMScoreAdjust=-999
+      LimitNOFILE=1048576
+      # Having non-zero Limit*s causes performance problems due to accounting overhead
+      # in the kernel. We recommend using cgroups to do container-local accounting.
+      LimitNPROC=infinity
+      LimitCORE=infinity
+      TasksMax=infinity
+      ExecStartPre=/sbin/modprobe overlay
+      ExecStart=/home/containerd/usr/local/bin/containerd
+
+      [Install]
+      WantedBy=containerd.target
+
+  - path: /etc/systemd/system/containerd.target
+    permissions: 0644
+    owner: root
+    content: |
+      [Unit]
+      Description=Containerd
+
+      [Install]
+      WantedBy=multi-user.target
+
+runcmd:
+  # Stop the existing containerd service if there is one. (for Docker 18.09+)
+  - systemctl is-active containerd && systemctl stop containerd
+  - systemctl daemon-reload
+  - systemctl enable containerd-installation.service
+  - systemctl enable containerd.service
+  - systemctl enable containerd.target
+  - systemctl start containerd.target
+  # Start docker after containerd is running. (for Docker 18.09+)
+  - systemctl is-active docker || systemctl start docker