packer: update boards and base images.

The base images make sure to remove snapd and fake-hwclock, as well
as using installing the rng-tools package.

packer/boards/cm4-cdev-ubuntu-22.04.2.json

@@ -0,0 +1,61 @@
+{
+    "variables": {},
+    "builders": [
+        {
+            "type": "arm",
+            "file_urls": [
+                "build/ubuntu-22.04.2-preinstalled-server-arm64+raspi.img.xz",
+                "https://cdimage.ubuntu.com/releases/22.04.2/release/ubuntu-22.04.2-preinstalled-server-arm64+raspi.img.xz"
+            ],
+            "file_checksum_url": "http://cdimage.ubuntu.com/releases/22.04.2/release/SHA256SUMS",
+            "file_checksum_type": "sha256",
+            "file_target_extension": "xz",
+            "file_unarchive_cmd": [
+                "xz",
+                "--decompress",
+                "$ARCHIVE_PATH"
+            ],
+            "image_build_method": "reuse",
+            "image_path": "build/cm4-cdev-ubuntu-22.04.2.img",
+            "image_size": "32G",
+            "image_type": "dos",
+            "image_partitions": [
+                {
+                    "name": "boot",
+                    "type": "c",
+                    "start_sector": 2048,
+                    "size": "256M",
+                    "mountpoint": "/boot/firmware"
+                },
+                {
+                    "name": "root",
+                    "type": "83",
+                    "start_sector": 526336,
+                    "size": "31.7G",
+                    "mountpoint": "/"
+                }
+            ],
+            "image_chroot_env": [
+                "PATH=/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin"
+            ],
+            "qemu_binary_source_path": "/usr/bin/qemu-aarch64-static",
+            "qemu_binary_destination_path": "/usr/bin/qemu-aarch64-static"
+        }
+    ],
+    "provisioners": [
+        {
+            "destination": "/boot/firmware/user-data",
+            "source": "files/user-data",
+            "type": "file"
+        },
+        {
+            "scripts": [
+                "scripts/install-base.sh",
+                "scripts/setup-ssh.sh",
+                "scripts/setup-cdev.sh"
+            ],
+            "type": "shell"
+        }
+    ],
+    "post-processors": null
+}

packer/build-image.sh

@@ -18,33 +18,24 @@ errmsg () {
     echo "$@" > /dev/stderr
 }
 
-IMAGE_TYPE="${1:-ubuntu}"
+IMAGE_TYPE="${1:-cnode}"
 
 preflight () {
     case "${IMAGE_TYPE}" in
-        ubuntu) 
+        cdev) PACKER_BUILD_FILE="boards/cm4-cdev-ubuntu-22.04.2.json" ;;    
-            PACKER_BUILD_FILE="boards/cm4-cluster-ubuntu-22.04.2.json"
+        cnode)  PACKER_BUILD_FILE="cm4-cluster-ubuntu-22.04.2.img" ;;
-            if [ "${SKIP_LOCAL_CACHE}" != "yes" ]
-            then
-                REMOTE_IMAGE_URL="$(jq '.builders[0].file_urls' ${PACKER_BUILD_FILE} | grep https | tr -d ' \",')"
-            fi
-	    ;;
         custom)
             if [ -z "${PACKER_BUILD_FILE}" ]
             then
                 errmsg "[!] custom board requires a board file path"
                 exit 1
             fi
-
-            if [ "${SKIP_LOCAL_CACHE}" != "yes" ]
-            then
-                REMOTE_IMAGE_URL="$(jq '.builders[0].file_urls' ${PACKER_BUILD_FILE} | grep https | tr -d ' \",')"
-            fi
             ;;
         *)
             errmsg "[!] invalid image type ${IMAGE_TYPE}."
             errmsg "[!] valid image types are"
-            errmsg "    - ubuntu"
+            errmsg "    - cdev"
+            errmsg "    - cnode"
             errmsg "    - custom path/to/board/file"
             exit 1
             ;;
@@ -58,6 +49,7 @@ cache_remote_url () {
         return 0
     fi
 
+    local REMOTE_IMAGE_URL="$(jq '.builders[0].file_urls' ${PACKER_BUILD_FILE} | grep https | tr -d ' \",')"
     local CACHED_FILE="$(jq '.builders[0].file_urls' ${PACKER_BUILD_FILE} | grep -v https | grep \" | tr -d ' \",')"
     if [ -z "${CACHED_FILE}" ]
     then

packer/files/user-data

@@ -1,15 +1,13 @@
 #cloud-config
 
-# This is the user-data configuration file for cloud-init. By default this sets
+# NOTE: this is a dev-environment fixture where I want a known user:pass to
-# up an initial user called "ubuntu" with password "ubuntu", which must be
+# login on the serial console if things go sideways.
-# changed at first login. However, many additional actions can be initiated on
-# first boot from this file. The cloud-init documentation has more details:
-#
-# https://cloudinit.readthedocs.io/
 chpasswd:
   expire: false
   list:
-  - ubuntu:ubuntu
+  - name: ubuntu
+    password: ubuntu
+    type: text
 
 hostname: rp3b-cdev
 ssh_pwauth: true
@@ -48,4 +46,11 @@ network:
   ethernets:
       eth0:
         dhcp4: yes
-
+        dhcp6: yes
+      eth1:
+        dhcp4: no
+        dhcp6: no
+        addresses:
+          "192.168.4.64/24"
+            label: "cluster"
+            lifetime: forever

packer/scripts/install-base.sh

@@ -8,5 +8,7 @@ echo 'nameserver 8.8.8.8' > /etc/resolv.conf
 
 echo "==> installing base updates"
 apt-get -y update
-apt-get -y install ansible apt-transport-https ca-certificates wpasupplicant
+apt-get -y install ansible apt-transport-https ca-certificates rng-tools
+apt-get -y remove fake-hwclock snapd
 apt-get -y clean
+apt-get -y autoremove

packer/scripts/setup-cdev.sh

@@ -2,4 +2,4 @@
 
 set -euxo pipefail
 
-sudo apt-get -y install picocom wpasupplicant
+apt-get -y install picocom wpasupplicant

packer/ubuntu-boards.yml

@@ -10,10 +10,11 @@ boards:
       - scripts/setup-ssh.sh
   - version: 22.04.2
     size: 32G
-    name: rp4-cdev-ubuntu-22.04.2.img
+    name: cm4-cdev-ubuntu-22.04.2.img
     files:
       - source: files/user-data
         destination: /boot/firmware/user-data
     scripts:
       - scripts/install-base.sh
       - scripts/setup-ssh.sh
+      - scripts/setup-cdev.sh