Revert "Replace grub with syslinux"

This reverts commit 084ba2e892.

system/bootloader.sls

@@ -4,7 +4,8 @@ include:
 system_bootloader_pkgs:
   pkg.installed:
     - pkgs:
-      - syslinux
+      - grub
+      - grub-efi
       - mkinitfs
       - mkinitfs-doc
       - efibootmgr
@@ -14,6 +15,36 @@ system_bootloader_pkgs:
 {% set KERNEL_VERSION = salt['cmd.shell']('uname -r') %}
 {% set ROOT_UUID = salt['cmd.shell']('lsblk -o LABEL,UUID | grep ROOT | awk \'{print $2}\'') %}
 
+system_bootloader_install:
+  cmd.run:
+    - name: "grub-install --target=x86_64-efi --efi-directory=/efi --bootloader-id=alpine-{{ CURRENT_SUBVOLUME_TIMESTAMP }}"
+    - require:
+      - system_base_pkgs
+      - system_bootloader_pkgs
+
+system_bootloader_default_grub:
+  file.keyvalue:
+    - name: /etc/default/grub
+    - key_values:
+        GRUB_CMDLINE_LINUX: '"console=ttyS0,19200n8net.ifnames=0"'
+    - separator: '='
+    - uncomment: '# '
+    - key_ignore_case: false
+    - value_ignore_case: false
+    - append_if_not_found: true
+    - require:
+      - system_bootloader_install
+
+system_bootloader_grub_dir:
+  file.directory:
+    - name: /boot/grub
+    - makedirs: true
+    - user: root
+    - group: root
+    - mode: '0755'
+    - require:
+      - system_bootloader_install
+
 system_bootloader_mkinitfs_conf:
   file.keyvalue:
     - name: /etc/mkinitfs/mkinitfs.conf
@@ -37,3 +68,40 @@ system_bootloader_os-release:
     - uncomment: '# '
     - key_ignore_case: False
     - append_if_not_found: True
+
+system_bootloader_remove_default_menuentry:
+  file.absent:
+    - name: /etc/grub.d/10_linux
+    - require:
+      - system_bootloader_install
+
+system_bootloader_menuentry:
+  file.managed:
+    - name: /etc/grub.d/10_noveria
+    - source: salt://{{ tpldir }}/files/bootloader_menuentry
+    - template: jinja
+    - context:
+        CURRENT_SUBVOLUME_TIMESTAMP_HUMAN: {{ CURRENT_SUBVOLUME_TIMESTAMP_HUMAN }}
+        CURRENT_SUBVOLUME_TIMESTAMP: {{ CURRENT_SUBVOLUME_TIMESTAMP }}
+        ROOT_UUID: {{ ROOT_UUID }}
+    - mode: '0755'
+    - require:
+      - system_base_pkgs
+      - system_bootloader_pkgs
+      - system_bootloader_remove_default_menuentry
+
+system_bootloader_menuentry_prepend_shebang:
+  file.prepend:
+    - name: /etc/grub.d/10_noveria
+    - text: "#!/bin/sh"
+    - require:
+      - system_bootloader_menuentry
+
+system_bootloader_config:
+  cmd.run:
+    - name: 'grub-mkconfig -o /boot/grub/grub.cfg'
+    - require:
+      - system_bootloader_pkgs
+      - system_bootloader_install
+      - system_bootloader_grub_dir
+      - system_bootloader_menuentry_prepend_shebang