Remove unsupported Aegis TPM storage

Co-authored-by: fscotto <17803710+fscotto@users.noreply.github.com>

README.md

@@ -117,16 +117,13 @@ ansible-playbook ansible/site.yml --limit prometheus \
 ## Aegis
 
 `aegis` is a Raspberry Pi 4 running Fedora CoreOS. Provision it once with
-`ansible/bootstrap/aegis.bu`, after replacing the SSH public-key placeholders:
+`ansible/bootstrap/aegis.bu`, after replacing the SSH public-key placeholder:
 
 ```bash
 butane --strict --pretty --output aegis.ign ansible/bootstrap/aegis.bu
 ```
 
-The bootstrap reserves partition 5 on `/dev/mmcblk0` for `/var/lib`. On the first boot it
+The `core` and `pi` users both receive the configured SSH key.
-generates a random LUKS2 key, enrolls it in the attached TPM2 device, and formats the unlocked
-volume as btrfs. This is destructive for that partition and requires a TPM2 module/device; a
-Raspberry Pi 4 has no TPM onboard. The `core` and `pi` users both receive the configured SSH key.
 
 The controller then manages it remotely as `core@aegis`; unlike local desktop profiles, Aegis is
 intentionally an SSH inventory target. `profile_aegis` manages rootful Podman Quadlets for AdGuard

ansible/bootstrap/aegis.bu

@@ -11,81 +11,9 @@ passwd:
       ssh_authorized_keys:
         - "ssh-ed25519 CHANGEME_AEGIS_SSH_PUBLIC_KEY"
 storage:
-  disks:
-    - device: /dev/mmcblk0
-      wipe_table: false
-      partitions:
-        - label: aegis-data
-          number: 5
-          size_mib: 0
   files:
     - path: /etc/hostname
       mode: 0644
       contents:
         inline: |
           aegis
-    - path: /etc/crypttab
-      mode: 0644
-      contents:
-        append:
-          - inline: |
-              aegis-data /dev/disk/by-partlabel/aegis-data - tpm2-device=auto
-    - path: /etc/fstab
-      mode: 0644
-      contents:
-        append:
-          - inline: |
-              /dev/mapper/aegis-data /var/lib btrfs defaults,compress=zstd 0 0
-    - path: /usr/local/sbin/aegis-storage-init
-      mode: 0750
-      user:
-        name: root
-      group:
-        name: root
-      contents:
-        inline: |
-          #!/bin/bash
-          set -euo pipefail
-
-          device=/dev/disk/by-partlabel/aegis-data
-          mapper=aegis-data
-          key_file=/run/aegis-storage/key
-          marker=/etc/aegis-storage.initialized
-
-          if [[ -e "$marker" ]]; then
-            exit 0
-          fi
-
-          trap 'rm -f "$key_file"' EXIT
-          install -d -m 0700 /run/aegis-storage
-          dd if=/dev/urandom of="$key_file" bs=64 count=1 status=none
-          chmod 0600 "$key_file"
-
-          cryptsetup luksFormat --batch-mode --type luks2 --key-file="$key_file" "$device"
-          systemd-cryptenroll --tpm2-device=auto --unlock-key-file="$key_file" "$device"
-          cryptsetup open --key-file="$key_file" "$device" "$mapper"
-          mkfs.btrfs -L aegis-data "/dev/mapper/$mapper"
-          mount "/dev/mapper/$mapper" /var/lib
-          touch "$marker"
-
-    - path: /etc/systemd/system/aegis-storage-init.service
-      mode: 0644
-      contents:
-        inline: |
-          [Unit]
-          Description=Initialize the TPM-backed Aegis data volume
-          Wants=systemd-udev-settle.service
-          After=systemd-udev-settle.service
-          Before=local-fs.target
-          ConditionPathExists=!/etc/aegis-storage.initialized
-
-          [Service]
-          Type=oneshot
-          ExecStart=/usr/local/sbin/aegis-storage-init
-
-          [Install]
-          WantedBy=local-fs-pre.target
-  systemd:
-    units:
-      - name: aegis-storage-init.service
-        enabled: true