Force local stat for third-party prep tasks

roles/bootstrap/tasks/almalinux.yml

@@ -14,7 +14,7 @@
         --setopt=install_weak_deps=False groupinstall -y base core
     - ln -sf /run/NetworkManager/resolv.conf /mnt/etc/resolv.conf
     - >-
-        arch-chroot /mnt dnf --releasever=9 --setopt=install_weak_deps=False
+        {{ chroot_command }} /mnt dnf --releasever=9 --setopt=install_weak_deps=False
         install -y {{ bootstrap_alma_extra }}
   register: bootstrap_result
   changed_when: bootstrap_result.rc == 0

roles/bootstrap/tasks/debian.yml

@@ -23,7 +23,7 @@
     - >-
         debootstrap --include={{ bootstrap_debian_base }}
         {{ bootstrap_debian_release }} /mnt http://deb.debian.org/debian/
-    - "arch-chroot /mnt apt install -y {{ bootstrap_debian_extra }}"
+    - "{{ chroot_command }} /mnt apt install -y {{ bootstrap_debian_extra }}"
-    - arch-chroot /mnt apt remove -y libcups2 libavahi-common3 libavahi-common-data
+    - "{{ chroot_command }} /mnt apt remove -y libcups2 libavahi-common3 libavahi-common-data"
   register: bootstrap_result
   changed_when: bootstrap_result.rc == 0

roles/bootstrap/tasks/fedora.yml

@@ -15,8 +15,8 @@
         groupinstall -y critical-path-base core
     - ln -sf /run/NetworkManager/resolv.conf /mnt/etc/resolv.conf
     - >-
-        arch-chroot /mnt dnf --releasever=43 --setopt=install_weak_deps=False
+        {{ chroot_command }} /mnt dnf --releasever=43 --setopt=install_weak_deps=False
         install -y {{ bootstrap_fedora_extra }}
-    - arch-chroot /mnt dnf reinstall -y kernel-core
+    - "{{ chroot_command }} /mnt dnf reinstall -y kernel-core"
   register: bootstrap_result
   changed_when: bootstrap_result.rc == 0

roles/bootstrap/tasks/rhel.yml

@@ -34,12 +34,7 @@
         state: mounted
 
     - name: Rebuild RPM database inside chroot
-      ansible.builtin.command:
+      ansible.builtin.command: "{{ chroot_command }} /mnt rpm --rebuilddb"
-        argv:
-          - arch-chroot
-          - /mnt
-          - rpm
-          - --rebuilddb
       register: bootstrap_rpm_rebuild_result
       changed_when: bootstrap_rpm_rebuild_result.rc == 0
 
@@ -60,7 +55,7 @@
             | join(' ')
           }}
       ansible.builtin.command: >-
-        arch-chroot /mnt dnf --releasever={{ bootstrap_rhel_release }}
+        {{ chroot_command }} /mnt dnf --releasever={{ bootstrap_rhel_release }}
         --setopt=install_weak_deps=False install -y {{ bootstrap_rhel_extra }}
       register: bootstrap_result
       changed_when: bootstrap_result.rc == 0

roles/bootstrap/tasks/rocky.yml

@@ -15,7 +15,7 @@
         groupinstall -y base core
     - ln -sf /run/NetworkManager/resolv.conf /mnt/etc/resolv.conf
     - >-
-        arch-chroot /mnt dnf --releasever=9 --setopt=install_weak_deps=False
+        {{ chroot_command }} /mnt dnf --releasever=9 --setopt=install_weak_deps=False
         install -y {{ bootstrap_rocky_extra }}
   register: bootstrap_result
   changed_when: bootstrap_result.rc == 0

roles/bootstrap/tasks/ubuntu.yml

@@ -20,8 +20,8 @@
         debootstrap --include={{ bootstrap_ubuntu_base }}
         {{ bootstrap_ubuntu_release }} /mnt http://archive.ubuntu.com/ubuntu/
     - ln -sf /run/NetworkManager/resolv.conf /mnt/etc/resolv.conf
-    - arch-chroot /mnt sed -i '1s|$| universe|' /etc/apt/sources.list
+    - "{{ chroot_command }} /mnt sed -i '1s|$| universe|' /etc/apt/sources.list"
-    - arch-chroot /mnt apt update
+    - "{{ chroot_command }} /mnt apt update"
-    - "arch-chroot /mnt apt install -y {{ bootstrap_ubuntu_extra }}"
+    - "{{ chroot_command }} /mnt apt install -y {{ bootstrap_ubuntu_extra }}"
   register: bootstrap_result
   changed_when: bootstrap_result.rc == 0

roles/cis/tasks/crypto.yml

@@ -1,12 +1,12 @@
 ---
 - name: Configure System Cryptography Policy
   when: os in ["almalinux", "rhel9", "rhel10", "rocky"]
-  ansible.builtin.command: arch-chroot /mnt /usr/bin/update-crypto-policies --set DEFAULT:NO-SHA1
+  ansible.builtin.command: "{{ chroot_command }} /mnt /usr/bin/update-crypto-policies --set DEFAULT:NO-SHA1"
   register: cis_crypto_policy_result
   changed_when: "'Setting system-wide crypto-policies to' in cis_crypto_policy_result.stdout"
 
 - name: Mask Systemd Services
   ansible.builtin.command: >
-    arch-chroot /mnt systemctl mask nftables bluetooth rpcbind
+    {{ chroot_command }} /mnt systemctl mask nftables bluetooth rpcbind
   register: cis_mask_services_result
   changed_when: cis_mask_services_result.rc == 0

roles/configuration/tasks/bootloader.yml

@@ -18,7 +18,7 @@
           --bootloader-id={{ configuration_bootloader_id }}
         configuration_bootloader_cmd: >-
           {{ configuration_efibootmgr_cmd if configuration_use_efibootmgr else configuration_grub_cmd }}
-      ansible.builtin.command: "arch-chroot /mnt {{ configuration_bootloader_cmd }}"
+      ansible.builtin.command: "{{ chroot_command }} /mnt {{ configuration_bootloader_cmd }}"
       register: configuration_bootloader_result
       changed_when: configuration_bootloader_result.rc == 0
 
@@ -43,7 +43,7 @@
               else '/usr/bin/dracut --regenerate-all --force'
             )
           }}
-      ansible.builtin.command: "arch-chroot /mnt {{ configuration_initramfs_cmd }}"
+      ansible.builtin.command: "{{ chroot_command }} /mnt {{ configuration_initramfs_cmd }}"
       register: configuration_initramfs_result
       changed_when: configuration_initramfs_result.rc == 0
 
@@ -59,6 +59,6 @@
             if is_rhel | bool
             else '/usr/sbin/grub-mkconfig -o /boot/grub/grub.cfg'
           }}
-      ansible.builtin.command: "arch-chroot /mnt {{ configuration_grub_cfg_cmd }}"
+      ansible.builtin.command: "{{ chroot_command }} /mnt {{ configuration_grub_cfg_cmd }}"
       register: configuration_grub_result
       changed_when: configuration_grub_result.rc == 0

roles/configuration/tasks/encryption/tpm2.yml

@@ -35,9 +35,9 @@
                if configuration_luks_tpm2_pcrs_effective | length > 0 else [])
             + [configuration_luks_device]
           }}
-        configuration_luks_enroll_chroot_args: "{{ ['arch-chroot', '/mnt'] + configuration_luks_enroll_args }}"
+        configuration_luks_enroll_chroot_cmd: >-
-      ansible.builtin.command:
+          {{ chroot_command }} /mnt {{ configuration_luks_enroll_args | join(' ') }}
-        argv: "{{ configuration_luks_enroll_chroot_args }}"
+      ansible.builtin.command: "{{ configuration_luks_enroll_chroot_cmd }}"
       register: configuration_luks_tpm2_enroll_chroot
       changed_when: configuration_luks_tpm2_enroll_chroot.rc == 0
       failed_when: false

roles/configuration/tasks/extras.yml

@@ -26,13 +26,15 @@
     mode: "0644"
 
 - name: Create zram config
-  when: os | lower not in ['debian11', 'rhel8']
+  when:
+    - os | lower not in ['debian11', 'rhel8']
+    - swap_enabled | bool
   ansible.builtin.copy:
     dest: /mnt/etc/systemd/zram-generator.conf
     content: |
       [zram0]
       zram-size  = ram / 2
-      compression-algorithm = zstd
+      compression-algorithm = {{ 'zstd' if zstd_enabled | bool else 'lz4' }}
       swap-priority = 100
       fs-type = swap
     mode: "0644"

roles/configuration/tasks/grub.yml

@@ -28,7 +28,14 @@
           }}
         configuration_grub_lvm_args_value: >-
           {{
-            ['resume=/dev/mapper/sys-swap', 'rd.lvm.lv=sys/root', 'rd.lvm.lv=sys/swap']
+            (
+              ['rd.lvm.lv=sys/root']
+              + (
+                ['rd.lvm.lv=sys/swap', 'resume=/dev/mapper/sys-swap']
+                if swap_enabled | bool
+                else []
+              )
+            )
             if (filesystem | lower) != 'btrfs'
             else []
           }}

roles/configuration/tasks/locales.yml

@@ -23,7 +23,7 @@
 
     - name: Generate locales
       when: not is_rhel | bool
-      ansible.builtin.command: arch-chroot /mnt /usr/sbin/locale-gen
+      ansible.builtin.command: "{{ chroot_command }} /mnt /usr/sbin/locale-gen"
       register: configuration_locale_result
       changed_when: configuration_locale_result.rc == 0
 

roles/configuration/tasks/selinux.yml

@@ -5,7 +5,7 @@
     - name: Fix SELinux by pre-labeling the filesystem before first boot
       when: os | lower in ['almalinux', 'rhel8', 'rhel9', 'rhel10', 'rocky'] and selinux | bool
       ansible.builtin.command: >
-        arch-chroot /mnt /sbin/setfiles -v -F
+        {{ chroot_command }} /mnt /sbin/setfiles -v -F
         -e /dev -e /proc -e /sys -e /run
         /etc/selinux/targeted/contexts/files/file_contexts /
       register: configuration_setfiles_result

roles/configuration/tasks/services.yml

@@ -1,7 +1,7 @@
 ---
 - name: Enable Systemd Services
   ansible.builtin.command: >
-    arch-chroot /mnt systemctl enable NetworkManager
+    {{ chroot_command }} /mnt systemctl enable NetworkManager
     {{ ' firewalld' if firewalld_enabled | bool else '' }}
     {{
       ' ssh' if os | lower in ['ubuntu', 'ubuntu-lts'] else
@@ -16,7 +16,7 @@
 
 - name: Disable firewalld when disabled
   when: not firewalld_enabled | bool
-  ansible.builtin.command: arch-chroot /mnt systemctl disable --now firewalld
+  ansible.builtin.command: "{{ chroot_command }} /mnt systemctl disable --now firewalld"
   register: configuration_disable_firewalld_result
   changed_when: configuration_disable_firewalld_result.rc == 0
   failed_when: false

roles/configuration/tasks/users.yml

@@ -4,11 +4,11 @@
     configuration_user_group: >-
       {{ "sudo" if is_debian | bool else "wheel" }}
     configuration_useradd_cmd: >-
-      arch-chroot /mnt /usr/sbin/useradd --create-home --user-group
+      {{ chroot_command }} /mnt /usr/sbin/useradd --create-home --user-group
       --groups {{ configuration_user_group }} {{ user_name }}
       --password {{ user_password | password_hash('sha512') }} --shell /bin/bash
     configuration_root_cmd: >-
-      arch-chroot /mnt /usr/sbin/usermod --password
+      {{ chroot_command }} /mnt /usr/sbin/usermod --password
       '{{ root_password | password_hash('sha512') }}' root --shell /bin/bash
   ansible.builtin.command: "{{ item }}"
   loop:

roles/environment/tasks/main.yml

@@ -151,3 +151,37 @@
                 src: "{{ os | lower }}.repo.j2"
                 dest: /etc/yum.repos.d/{{ os | lower }}.repo
                 mode: "0644"
+
+    - name: Check for third-party preparation tasks
+      run_once: true
+      become: false
+      delegate_to: localhost
+      vars:
+        ansible_connection: local
+      block:
+        - name: Resolve third-party preparation task path
+          ansible.builtin.set_fact:
+            environment_thirdparty_tasks_path: >-
+              {{
+                thirdparty_preparation_tasks_path
+                if thirdparty_preparation_tasks_path | regex_search('^/')
+                else playbook_dir + '/' + thirdparty_preparation_tasks_path
+              }}
+          changed_when: false
+
+        - name: Stat third-party preparation tasks
+          ansible.builtin.stat:
+            path: "{{ environment_thirdparty_tasks_path }}"
+          register: environment_thirdparty_tasks_stat
+          changed_when: false
+
+    - name: Run third-party preparation tasks
+      when:
+        - thirdparty_preparation_tasks_path | length > 0
+        - environment_thirdparty_tasks_stat.stat.exists
+      ansible.builtin.include_tasks: >-
+        {{
+          thirdparty_preparation_tasks_path
+          if thirdparty_preparation_tasks_path | regex_search('^/')
+          else playbook_dir + '/' + thirdparty_preparation_tasks_path
+        }}

roles/global_defaults/defaults/main.yml

@@ -5,6 +5,10 @@ cis: false
 selinux: true
 vmware_ssh: false
 firewalld_enabled: true
+zstd_enabled: true
+swap_enabled: true
+chroot_command: "arch-chroot"
+thirdparty_preparation_tasks_path: "dropins/preparation.yml"
 
 cis_enabled: "{{ cis | bool }}"
 

roles/partitioning/defaults/main.yml

@@ -16,6 +16,7 @@ partitioning_luks_tpm2_device: "{{ luks_tpm2_device }}"
 partitioning_luks_tpm2_pcrs: "{{ luks_tpm2_pcrs }}"
 partitioning_luks_keyfile_size: "{{ luks_keyfile_size }}"
 partitioning_luks_options: "{{ luks_options }}"
+partitioning_btrfs_compress_opt: "{{ 'compress=zstd:15' if zstd_enabled | bool else '' }}"
 partitioning_boot_partition_suffix: 1
 partitioning_main_partition_suffix: 2
 partitioning_efi_size_mib: 512

roles/partitioning/tasks/btrfs.yml

@@ -19,7 +19,19 @@
         path: /mnt
         src: "{{ partitioning_root_device }}"
         fstype: btrfs
-        opts: rw,relatime,compress=zstd:15,ssd,space_cache=v2,discard=async
+        opts: >-
+          {{
+            [
+              'rw',
+              'relatime',
+              partitioning_btrfs_compress_opt,
+              'ssd',
+              'space_cache=v2',
+              'discard=async'
+            ]
+            | reject('equalto', '')
+            | join(',')
+          }}
         state: mounted
 
     - name: Enable quotas on Btrfs filesystem
@@ -28,7 +40,9 @@
       changed_when: false
 
     - name: Make root subvolumes
-      when: cis_enabled or item.subvol not in ['var_log_audit']
+      when:
+        - cis_enabled or item.subvol not in ['var_log_audit']
+        - swap_enabled | bool or item.subvol != 'swap'
       ansible.builtin.command: btrfs su cr /mnt/{{ '@' if item.subvol == 'root' else '@' + item.subvol }}
       args:
         creates: /mnt/{{ '@' if item.subvol == 'root' else '@' + item.subvol }}
@@ -51,6 +65,7 @@
       changed_when: false
 
     - name: Create a Btrfs swap file
+      when: swap_enabled | bool
       ansible.builtin.command: >-
         btrfs filesystem mkswapfile --size {{ partitioning_swap_size_gb }}g --uuid clear /mnt/@swap/swapfile
       args:

roles/partitioning/tasks/main.yml

@@ -1,6 +1,7 @@
 ---
 - name: Detect system memory for swap sizing
   when:
+    - swap_enabled | bool
     - partitioning_vm_memory is not defined or (partitioning_vm_memory | float) <= 0
     - vm_memory is not defined or (vm_memory | float) <= 0
   block:
@@ -257,41 +258,59 @@
         pvs: "{{ partitioning_root_device }}"
 
     - name: Create LVM logical volumes
-      when: cis_enabled or item.lv not in ['home', 'var', 'var_log', 'var_log_audit']
+      when:
+        - cis_enabled or item.lv not in ['home', 'var', 'var_log', 'var_log_audit']
+        - swap_enabled | bool or item.lv != 'swap'
       vars:
         partitioning_lvm_swap_target_gb: >-
           {{
-            [
+            (
-              (partitioning_vm_memory_effective | float / 1024),
+              [
-              4
+                (partitioning_vm_memory_effective | float / 1024),
-            ] | max | float
+                4
+              ] | max | float
+            )
+            if swap_enabled | bool
+            else 0
           }}
         partitioning_lvm_swap_cap_gb: >-
           {{
-            4
+            (
-            + [
+              4
-              (partitioning_vm_size_effective | float) - 20,
+              + [
-              0
+                (partitioning_vm_size_effective | float) - 20,
-            ] | max
+                0
+              ] | max
+            )
+            if swap_enabled | bool
+            else 0
           }}
         partitioning_lvm_swap_target_effective_gb: >-
           {{
-            [
+            (
-              partitioning_lvm_swap_target_gb,
+              [
-              partitioning_lvm_swap_cap_gb
+                partitioning_lvm_swap_target_gb,
-            ] | min
+                partitioning_lvm_swap_cap_gb
+              ] | min
+            )
+            if swap_enabled | bool
+            else 0
           }}
         partitioning_lvm_swap_max_gb: >-
           {{
-            [
+            (
-              (
+              [
-                (partitioning_vm_size_effective | float)
+                (
-                - (partitioning_reserved_gb | float)
+                  (partitioning_vm_size_effective | float)
-                - (cis_enabled | ternary(7.5, 0))
+                  - (partitioning_reserved_gb | float)
-                - 4
+                  - (cis_enabled | ternary(7.5, 0))
-              ),
+                  - 4
-              0
+                ),
-            ] | max
+                0
+              ] | max
+            )
+            if swap_enabled | bool
+            else 0
           }}
         partitioning_lvm_available_gb: >-
           {{
@@ -328,10 +347,14 @@
           }}
         partitioning_lvm_swap_gb: >-
           {{
-            [
+            (
-              partitioning_lvm_swap_target_effective_gb,
+              [
-              partitioning_lvm_swap_max_gb
+                partitioning_lvm_swap_target_effective_gb,
-            ] | min | round(2, 'floor')
+                partitioning_lvm_swap_max_gb
+              ] | min | round(2, 'floor')
+            )
+            if swap_enabled | bool
+            else 0
           }}
         partitioning_lvm_root_full_gb: >-
           {{
@@ -399,7 +422,9 @@
       changed_when: partitioning_boot_ext4_tune_result.rc == 0
 
     - name: Create swap filesystem
-      when: filesystem != 'btrfs'
+      when:
+        - filesystem != 'btrfs'
+        - swap_enabled | bool
       community.general.filesystem:
         fstype: swap
         dev: /dev/sys/swap
@@ -424,28 +449,86 @@
       register: partitioning_main_uuid
       changed_when: false
 
-    - name: Get UUIDs for LVM filesystems
+    - name: Get UUID for LVM root filesystem
-      when: filesystem != 'btrfs' and (cis_enabled or item not in ['home', 'var', 'var_log', 'var_log_audit'])
+      when: filesystem != 'btrfs'
-      ansible.builtin.command: blkid -s UUID -o value /dev/sys/{{ item }}
+      ansible.builtin.command: blkid -s UUID -o value /dev/sys/root
-      loop:
+      register: partitioning_uuid_root_result
-        - root
+      changed_when: false
-        - swap
+
-        - home
+    - name: Get UUID for LVM swap filesystem
-        - var
+      when:
-        - var_log
+        - filesystem != 'btrfs'
-        - var_log_audit
+        - swap_enabled | bool
-      register: partitioning_uuid_result
+      ansible.builtin.command: blkid -s UUID -o value /dev/sys/swap
+      register: partitioning_uuid_swap_result
+      changed_when: false
+
+    - name: Get UUID for LVM home filesystem
+      when:
+        - filesystem != 'btrfs'
+        - cis_enabled
+      ansible.builtin.command: blkid -s UUID -o value /dev/sys/home
+      register: partitioning_uuid_home_result
+      changed_when: false
+
+    - name: Get UUID for LVM var filesystem
+      when:
+        - filesystem != 'btrfs'
+        - cis_enabled
+      ansible.builtin.command: blkid -s UUID -o value /dev/sys/var
+      register: partitioning_uuid_var_result
+      changed_when: false
+
+    - name: Get UUID for LVM var_log filesystem
+      when:
+        - filesystem != 'btrfs'
+        - cis_enabled
+      ansible.builtin.command: blkid -s UUID -o value /dev/sys/var_log
+      register: partitioning_uuid_var_log_result
+      changed_when: false
+
+    - name: Get UUID for LVM var_log_audit filesystem
+      when:
+        - filesystem != 'btrfs'
+        - cis_enabled
+      ansible.builtin.command: blkid -s UUID -o value /dev/sys/var_log_audit
+      register: partitioning_uuid_var_log_audit_result
       changed_when: false
 
     - name: Assign UUIDs to Variables
       when: filesystem != 'btrfs'
       ansible.builtin.set_fact:
-        partitioning_uuid_root: "{{ partitioning_uuid_result.results[0].stdout_lines }}"
+        partitioning_uuid_root: "{{ partitioning_uuid_root_result.stdout_lines | default([]) }}"
-        partitioning_uuid_swap: "{{ partitioning_uuid_result.results[1].stdout_lines }}"
+        partitioning_uuid_swap: >-
-        partitioning_uuid_home: "{{ partitioning_uuid_result.results[2].stdout_lines if cis_enabled else '' }}"
+          {{
-        partitioning_uuid_var: "{{ partitioning_uuid_result.results[3].stdout_lines if cis_enabled else '' }}"
+            partitioning_uuid_swap_result.stdout_lines | default([])
-        partitioning_uuid_var_log: "{{ partitioning_uuid_result.results[4].stdout_lines if cis_enabled else '' }}"
+            if swap_enabled | bool
-        partitioning_uuid_var_log_audit: "{{ partitioning_uuid_result.results[5].stdout_lines if cis_enabled else '' }}"
+            else ''
+          }}
+        partitioning_uuid_home: >-
+          {{
+            partitioning_uuid_home_result.stdout_lines | default([])
+            if cis_enabled
+            else ''
+          }}
+        partitioning_uuid_var: >-
+          {{
+            partitioning_uuid_var_result.stdout_lines | default([])
+            if cis_enabled
+            else ''
+          }}
+        partitioning_uuid_var_log: >-
+          {{
+            partitioning_uuid_var_log_result.stdout_lines | default([])
+            if cis_enabled
+            else ''
+          }}
+        partitioning_uuid_var_log_audit: >-
+          {{
+            partitioning_uuid_var_log_audit_result.stdout_lines | default([])
+            if cis_enabled
+            else ''
+          }}
 
 - name: Mount filesystems
   block:
@@ -460,6 +543,7 @@
             )
         - >-
             not (item.path in ['/swap', '/var/cache/pacman/pkg'] and filesystem != 'btrfs')
+        - swap_enabled | bool or item.path != '/swap'
       ansible.posix.mount:
         path: /mnt{{ item.path }}
         src: "{{ 'UUID=' + (partitioning_main_uuid.stdout if filesystem == 'btrfs' else item.uuid) }}"
@@ -474,17 +558,17 @@
               'defaults'
               if filesystem != 'btrfs'
               else [
-                'rw', 'relatime', 'compress=zstd:15', 'ssd', 'space_cache=v2',
+                'rw', 'relatime', partitioning_btrfs_compress_opt, 'ssd', 'space_cache=v2',
                 'discard=async', 'subvol=@'
-              ] | join(',')
+              ] | reject('equalto', '') | join(',')
             }}
         - path: /swap
           opts: >-
             {{
               [
-                'rw', 'nosuid', 'nodev', 'relatime', 'compress=zstd:15', 'ssd',
+                'rw', 'nosuid', 'nodev', 'relatime', partitioning_btrfs_compress_opt, 'ssd',
                 'space_cache=v2', 'discard=async', 'subvol=@swap'
-              ] | join(',')
+              ] | reject('equalto', '') | join(',')
             }}
         - path: /home
           uuid: "{{ partitioning_uuid_home[0] | default(omit) }}"
@@ -493,9 +577,9 @@
               'defaults,nosuid,nodev'
               if filesystem != 'btrfs'
               else [
-                'rw', 'nosuid', 'nodev', 'relatime', 'compress=zstd:15', 'ssd',
+                'rw', 'nosuid', 'nodev', 'relatime', partitioning_btrfs_compress_opt, 'ssd',
                 'space_cache=v2', 'discard=async', 'subvol=@home'
-              ] | join(',')
+              ] | reject('equalto', '') | join(',')
             }}
         - path: /var
           uuid: "{{ partitioning_uuid_var[0] | default(omit) }}"
@@ -504,9 +588,9 @@
               'defaults,nosuid,nodev'
               if filesystem != 'btrfs'
               else [
-                'rw', 'nosuid', 'nodev', 'relatime', 'compress=zstd:15', 'ssd',
+                'rw', 'nosuid', 'nodev', 'relatime', partitioning_btrfs_compress_opt, 'ssd',
                 'space_cache=v2', 'discard=async', 'subvol=@var'
-              ] | join(',')
+              ] | reject('equalto', '') | join(',')
             }}
         - path: /var/log
           uuid: "{{ partitioning_uuid_var_log[0] | default(omit) }}"
@@ -515,9 +599,9 @@
               'defaults,nosuid,nodev,noexec'
               if filesystem != 'btrfs'
               else [
-                'rw', 'nosuid', 'nodev', 'noexec', 'relatime', 'compress=zstd:15',
+                'rw', 'nosuid', 'nodev', 'noexec', 'relatime', partitioning_btrfs_compress_opt,
                 'ssd', 'space_cache=v2', 'discard=async', 'subvol=@var_log'
-              ] | join(',')
+              ] | reject('equalto', '') | join(',')
             }}
         - path: /var/cache/pacman/pkg
           uuid: "{{ partitioning_uuid_root | default([]) | first | default(omit) }}"
@@ -526,9 +610,9 @@
               'defaults,nosuid,nodev,noexec'
               if filesystem != 'btrfs'
               else [
-                'rw', 'nosuid', 'nodev', 'noexec', 'relatime', 'compress=zstd:15',
+                'rw', 'nosuid', 'nodev', 'noexec', 'relatime', partitioning_btrfs_compress_opt,
                 'ssd', 'space_cache=v2', 'discard=async', 'subvol=@pkg'
-              ] | join(',')
+              ] | reject('equalto', '') | join(',')
             }}
         - path: /var/log/audit
           uuid: "{{ partitioning_uuid_var_log_audit[0] | default(omit) }}"
@@ -537,9 +621,9 @@
               'defaults,nosuid,nodev,noexec'
               if filesystem != 'btrfs'
               else [
-                'rw', 'nosuid', 'nodev', 'noexec', 'relatime', 'compress=zstd:15',
+                'rw', 'nosuid', 'nodev', 'noexec', 'relatime', partitioning_btrfs_compress_opt,
                 'ssd', 'space_cache=v2', 'discard=async', 'subvol=@var_log_audit'
-              ] | join(',')
+              ] | reject('equalto', '') | join(',')
             }}
 
     - name: Mount /boot filesystem
@@ -559,6 +643,7 @@
         state: mounted
 
     - name: Activate swap
+      when: swap_enabled | bool
       vars:
         partitioning_swap_cmd: >-
           {{ 'swapon /mnt/swap/swapfile' if filesystem == 'btrfs' else 'swapon -U ' + partitioning_uuid_swap[0] }}