Support the kernel NFS server.

defaults/main.yml

@@ -43,9 +43,30 @@ autofs_packages_el:
 autofs_maps: []
 #  - { map_name: 'data', mountpoint_prefix: '/', path: 'data', nfs_server: 'nfs.example.com', remote_export: '/export', is_home: False }
 
-nfs_server_enabled: False
+nfs_server_enabled: false
 nfs_server_ganesha_enabled: '{{ nfs_server_enabled }}'
 
+nfs_server_kernel_el_pkgs:
+  - nfs-utils
+  - nfs4-acl-tools
+
+nfs_server_kernel_deb_pkgs:
+  - nfs-kernel-server
+  - nfs4-acl-tools
+  - nfstrace
+  - nfswatch
+
+nfs_server_exports: []
+# name, id, path, options, clients
+# (*) indicate an optional parameter
+# - name: export_filename
+#   id: 1
+#   path: /export
+#   options: 'rw,sync,fsid=1,root_squash,no_wdelay'
+#   clients:
+#     - host1
+#     - hostN
+
 nfs_ganesha_conf_files:
   - ganesha.conf
 

tasks/ganesha-nfs.yml

@@ -10,7 +10,7 @@
         mode: 0755
       loop: '{{ nfs_server_ganesha_exports }}'
 
-  tags: [ 'san', 'nfs', 'storage', 'ganesha', 'ganesha_export' ]
+  tags: ['san', 'nfs', 'storage', 'ganesha', 'ganesha_export']
 
 - name: Repositories and packages on EL
   block:
@@ -41,21 +41,28 @@
       when: ganesha_selinux_policy is changed
 
   when: ansible_distribution_file_variety == "RedHat"
+  tags: ['san', 'nfs', 'storage', 'ganesha', 'ganesha_pkg']
 
 - name: Repositories and packages on Ubuntu/Debian
   block:
-  - name: Install the nfs ganesha packages on deb systems
-    ansible.builtin.apt:
-      pkg: '{{ nfs_server_ganesha_deb_pkgs }}'
-      state: present
-      cache_valid_time: 1800
+    - name: Install the nfs ganesha packages on deb systems
+      apt:
+        pkg: '{{ nfs_server_ganesha_deb_pkgs }}'
+        state: present
+        cache_valid_time: 1800
+
+    - name: Ensure that the kernel NFS server package is not installed
+      apt:
+        pkg: nfs-kernel-server
+        state: absent
 
   when: ansible_distribution_file_variety == "Debian"
+  tags: ['san', 'nfs', 'storage', 'ganesha', 'ganesha_pkg']
 
 - name: Install and configure ganesha exports using the VFS backend
   block:
     - name: Install the ganesha configuration files
-      ansible.builtin.template:
+      template:
         src: '{{ item }}.j2'
         dest: '/etc/ganesha/{{ item }}'
         owner: root
@@ -65,7 +72,7 @@
       register: ganesha_conf_files
 
     - name: Install the ganesha export files
-      ansible.builtin.template:
+      template:
         src: ganesha-export.conf.j2
         dest: '/etc/ganesha/{{ item.name }}.conf'
         owner: root
@@ -74,6 +81,13 @@
       loop: '{{ nfs_server_ganesha_exports }}'
       register: ganesha_conf_files
 
+    - name: Ensure that the Kernel NFS service is stopped on EL
+      service:
+        name: nfs-server
+        state: stopped
+        enabled: false
+      when: ansible_distribution_file_variety == "RedHat"
+
     - name: Ensure that ganesha is started and enabled
       service: name=nfs-ganesha state=started enabled=yes
 
@@ -81,4 +95,4 @@
       service: name=nfs-ganesha state=reloaded
       when: ganesha_conf_files is changed
 
-  tags: [ 'san', 'nfs', 'storage', 'ganesha', 'ganesha_conf' ]
+  tags: ['san', 'nfs', 'storage', 'ganesha', 'ganesha_conf']

tasks/main.yml

@@ -11,3 +11,7 @@
 - import_tasks: trusted_ca.yml
 - ansible.builtin.import_tasks: ganesha-nfs.yml
   when: nfs_server_ganesha_enabled
+- import_tasks: nfs-kernel-server.yml
+  when:
+    - nfs_server_enanbled
+    - not nfs_server_ganesha_enabled

tasks/nfs-kernel-server.yml

@@ -0,0 +1,75 @@
+---
+- name: Create the export directory trees
+  block:
+    - name: Create the directory of the nextcloud NFS export
+      ansible.builtin.file:
+        dest: '{{ item.path }}'
+        state: directory
+        owner: root
+        group: root
+        mode: 0755
+      loop: '{{ nfs_server_exports }}'
+
+  tags: ['san', 'nfs', 'storage', 'kernel_nfs']
+
+- name: Repositories and packages on EL
+  block:
+    - name: Install the NFS packages on EL
+      yum:
+        name: '{{ nfs_server_kernel_el_pkgs }}'
+        state: present
+
+    - name: Ensure that the Ganesha NFS server is not installed
+      yum:
+        name: nfs-ganesha
+        state: absent
+
+  when: ansible_distribution_file_variety == "RedHat"
+  tags: ['san', 'nfs', 'storage', 'kernel_nfs']
+
+- name: Repositories and packages on Ubuntu/Debian
+  block:
+    - name: Install the nfs packages on deb systems
+      apt:
+        pkg: '{{ nfs_server_kernel_deb_pkgs }}'
+        state: present
+        cache_valid_time: 1800
+
+    - name: Ensure that the ganesha server package is not installed
+      apt:
+        pkg: nfs-ganesha
+        state: absent
+
+  when: ansible_distribution_file_variety == "Debian"
+  tags: ['san', 'nfs', 'storage', 'kernel_nfs']
+
+- name: Manage the NFS exports
+  block:
+    - name: Install the NFS export file
+      template:
+        src: 'kernel-nfs-exports.j2'
+        dest: '/etc/exports'
+        owner: root
+        group: root
+        mode: 0644
+      register: update_exportfs
+
+    - name: Ensure that the Kernel NFS service is started and enabled on EL
+      service:
+        name: nfs-server
+        state: started
+        enabled: true
+      when: ansible_distribution_file_variety == "RedHat"
+
+    - name: Ensure that the Kernel NFS service is started and enabled on deb systems
+      service:
+        name: nfs-kernel-server
+        state: started
+        enabled: true
+      when: ansible_distribution_file_variety == "Debian"
+
+    - name: Refresh the exports
+      shell: exportfs -a
+      when: update_exportfs is changed
+
+  tags: ['san', 'nfs', 'storage', 'kernel_nfs', 'kernel_nfs_conf']

templates/kernel-nfs-exports.j2

@@ -0,0 +1 @@
+{{ item.path }} {% for c in item.clients %}{{ c }}({{ item.options }}) {% endfor %}