Revert "adopt: use mgr/nfs volume"

This reverts commit b1bdb708d0.
This should be included as of RHCS 5.1.

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>

infrastructure-playbooks/cephadm-adopt.yml

@@ -926,16 +926,6 @@
         name: ceph-nfs
         tasks_from: create_rgw_nfs_user.yml
 
-    - name: enable ceph mgr nfs module
-      ceph_mgr_module:
-        name: "nfs"
-        cluster: "{{ cluster }}"
-        state: enable
-      environment:
-        CEPH_CONTAINER_IMAGE: "{{ ceph_docker_registry + '/' + ceph_docker_image + ':' + ceph_docker_image_tag if containerized_deployment | bool else None }}"
-        CEPH_CONTAINER_BINARY: "{{ container_binary }}"
-      delegate_to: "{{ groups[mon_group_name][0] }}"
-
     - name: stop and disable ceph-nfs systemd service
       service:
         name: "ceph-nfs@{{ ansible_facts['hostname'] }}"
@@ -962,48 +952,95 @@
         path: "/var/lib/ceph/radosgw/{{ cluster }}-rgw.{{ ansible_facts['hostname'] }}"
         state: absent
 
-    - name: create nfs ganesha cluster
-      command: "{{ cephadm_cmd }} shell --fsid {{ fsid }} -- ceph --cluster {{ cluster }} nfs cluster create {{ ansible_facts['hostname'] }} {{ ansible_facts['hostname'] }}"
-      changed_when: false
-      delegate_to: "{{ groups[mon_group_name][0] }}"
-      environment:
-        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'
+    - name: set_fact rados_cmd
+      set_fact:
+        rados_cmd: "{{ hostvars[groups[mon_group_name][0]]['container_binary'] + ' run --interactive --rm --net=host -v /etc/ceph:/etc/ceph:z --entrypoint=rados ' + ceph_docker_registry + '/' + ceph_docker_image + ':' + ceph_docker_image_tag if containerized_deployment | bool else 'rados' }}"
 
-    - name: create cephfs export
-      command: "{{ cephadm_cmd }} shell --fsid {{ fsid }} -- ceph --cluster {{ cluster }} nfs export create cephfs {{ cephfs }} {{ ansible_facts['hostname'] }} {{ ceph_nfs_ceph_pseudo_path }} --squash {{ ceph_nfs_ceph_squash }}"
+    - name: get legacy nfs export from rados object
+      command: "{{ rados_cmd }} -p {{ cephfs_data_pool.name }} get {{ ceph_nfs_rados_export_index }} /dev/stdout"
+      register: legacy_export
       changed_when: false
       delegate_to: "{{ groups[mon_group_name][0] }}"
-      environment:
-        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'
+      when: ceph_nfs_rados_backend | bool
+
+    - name: set_fact nfs_file_gw_export
+      set_fact:
+        nfs_file_gw_export: |
+          EXPORT
+          {
+            Export_id={{ ceph_nfs_ceph_export_id }};
+            Path = "/";
+            Pseudo = {{ ceph_nfs_ceph_pseudo_path }};
+            Access_Type = {{ ceph_nfs_ceph_access_type }};
+            Protocols = {{ ceph_nfs_ceph_protocols }};
+            Transports = TCP;
+            SecType = {{ ceph_nfs_ceph_sectype }};
+            Squash = {{ ceph_nfs_ceph_squash }};
+            Attr_Expiration_Time = 0;
+            FSAL {
+              Name = CEPH;
+              User_Id = "{{ ceph_nfs_ceph_user }}";
+            }
+                  {{ ganesha_ceph_export_overrides | default(None) }}
+          }
       when: nfs_file_gw | bool
 
-    - name: get a list of existing buckets
-      command: "{{ cephadm_cmd }} shell --fsid {{ fsid }} -- radosgw-admin --cluster {{ cluster }} bucket list --format json"
-      changed_when: false
-      delegate_to: "{{ groups[mon_group_name][0] }}"
-      register: bucket_list
-      environment:
-        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'
-      when:
-        - nfs_obj_gw | bool
-        - bucket_list is undefined
-
-    - name: set_fact bucket_list
+    - name: set_fact nfs_obj_gw_export
       set_fact:
-        bucket_list: "{{ (bucket_list.stdout | from_json) }}"
-      when: bucket_list.skipped is undefined
+        nfs_obj_gw_export: |
+          EXPORT
+          {
+            Export_id={{ ceph_nfs_rgw_export_id }};
+            Path = "/";
+            Pseudo = {{ ceph_nfs_rgw_pseudo_path }};
+            Access_Type = {{ ceph_nfs_rgw_access_type }};
+            Protocols = {{ ceph_nfs_rgw_protocols }};
+            Transports = TCP;
+            SecType = {{ ceph_nfs_rgw_sectype }};
+            Squash = {{ ceph_nfs_rgw_squash }};
+            FSAL {
+              Name = RGW;
+              User_Id = "{{ ceph_nfs_rgw_user }}";
+              Access_Key_Id ="{{ ceph_nfs_rgw_access_key }}";
+              Secret_Access_Key = "{{ ceph_nfs_rgw_secret_key }}";
+            }
+                  {{ ganesha_rgw_export_overrides | default(None) }}
+          }
+      when: nfs_obj_gw | bool
 
-    - name: create rgw export
-      command: "{{ cephadm_cmd }} shell --fsid {{ fsid }} -- ceph --cluster {{ cluster }} nfs export create rgw {{ item }} {{ ansible_facts['hostname'] }} {{ ceph_nfs_rgw_pseudo_path }} --squash {{ ceph_nfs_rgw_squash }}"
+    - name: set_fact new_export
+      set_fact:
+        new_export: |
+          {{ legacy_export.stdout | default('') }}
+          {{ nfs_file_gw_export | default('') }}
+          {{ nfs_obj_gw_export | default('') }}
+
+    - name: create nfs exports pool
+      ceph_pool:
+        name: "{{ nfs_ganesha_export_pool_name | default('nfs-ganesha') }}"
+        cluster: "{{ cluster }}"
+        application: nfs
+      delegate_to: "{{ groups[mon_group_name][0] }}"
+      run_once: true
+      environment:
+        CEPH_CONTAINER_IMAGE: "{{ ceph_docker_registry + '/' + ceph_docker_image + ':' + ceph_docker_image_tag if containerized_deployment | bool else None }}"
+        CEPH_CONTAINER_BINARY: "{{ container_binary }}"
+
+    - name: push the new exports in a rados object
+      command: "{{ rados_cmd }} -p {{ nfs_ganesha_export_pool_name | default('nfs-ganesha') }} -N {{ nfs_ganesha_export_namespace | default('nfs-ganesha') }} put conf-nfs.{{ nfs_group_name | default('nfss') }} -"
+      args:
+        stdin: "{{ new_export }}"
+        stdin_add_newline: no
+      changed_when: false
+      delegate_to: "{{ groups[mon_group_name][0] }}"
+
+    - name: update the placement of nfs hosts
+      command: "{{ cephadm_cmd }} shell --fsid {{ fsid }} -- ceph --cluster {{ cluster }} orch apply nfs {{ nfs_group_name | default('nfss') }} {{ nfs_ganesha_export_pool_name | default('nfs-ganesha') }} {{ nfs_ganesha_export_namespace | default('nfs-ganesha') }} --placement='{{ groups.get(nfs_group_name, []) | length }} label:{{ nfs_group_name }}'"
+      run_once: true
       changed_when: false
       delegate_to: "{{ groups[mon_group_name][0] }}"
       environment:
         CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'
-      loop: "{{ bucket_list }}"
-      when:
-        - nfs_obj_gw | bool
-        - (bucket_list.skipped is undefined or bucket_list | length > 0)
-
 
 - name: redeploy rbd-mirror daemons
   hosts: "{{ rbdmirror_group_name|default('rbdmirrors') }}"