Add nfs deployment scenario

In order to reproduce NFS functional test for glance we introduce
new `nfs` integrated scenario that aim to deploy NFS server and
replace fucntional test usecase.

Needed-By: https://review.opendev.org/c/openstack/openstack-ansible-os_glance/+/821097
Change-Id: I17252c764c6fcaa29aa9d707322fa0327c9e24ef

tests/roles/bootstrap-host/defaults/main.yml

@@ -86,6 +86,11 @@ bootstrap_host_loopback_zfs: yes
 # Size of the zfs loopback disk in gigabytes (GB).
 bootstrap_host_loopback_zfs_size: 1024
 #
+# Boolean option to deploy the loopback disk for nfs
+bootstrap_host_nfs: "{{ 'nfs' in bootstrap_host_scenarios_expanded }}"
+# Size of the nfs loopback disk in gigabytes (GB).
+bootstrap_host_loopback_nfs_size: 1024
+#
 # Boolean option to deploy the OSD loopback disks and cluster UUID for Ceph
 bootstrap_host_ceph: "{{ 'ceph' in bootstrap_host_scenarios_expanded }}"
 # Size of the Ceph OSD loopbacks

tests/roles/bootstrap-host/tasks/main.yml

@@ -137,6 +137,13 @@
   tags:
     - prepare-ceph
 
+# Prepare the NFS server and loopback disks
+- include: prepare_nfs.yml
+  when:
+    - bootstrap_host_nfs | bool
+  tags:
+    - prepare-nfs
+
 # Ensure hostname/ip is consistent with inventory
 - include: prepare_hostname.yml
   tags:

tests/roles/bootstrap-host/tasks/prepare_aio_config.yml

@@ -167,6 +167,9 @@
     - src: user_variables_murano.yml.j2
       dest: user_variables_murano.yml
       condition: "{{ 'murano' in bootstrap_host_scenarios_expanded }}"
+    - src: user_variables_nfs.yml.j2
+      dest: user_variables_nfs.yml
+      condition: "{{ 'nfs' in bootstrap_host_scenarios_expanded }}"
     - src: user_variables_calico.yml.j2
       dest: user_variables_calico.yml
       condition: "{{ 'calico' in bootstrap_host_scenarios_expanded }}"

tests/roles/bootstrap-host/tasks/prepare_nfs.yml

@@ -0,0 +1,99 @@
+---
+# Copyright 2021, City Network International AB
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+- name: Create sparse NFS volume
+  command: "truncate -s {{ bootstrap_host_loopback_nfs_size }}G /openstack/nfs.img"
+  args:
+    creates: /openstack/nfs.img
+  tags:
+    - nfs-file-create
+
+- name: Format the NFS file
+  filesystem:
+    fstype: xfs
+    dev: /openstack/nfs.img
+    opts: "{{ bootstrap_host_format_options['xfs'] | default(omit) }}"
+  tags:
+    - nfs-format-file
+
+- name: Run the systemd mount role
+  include_role:
+    name: systemd_mount
+  vars:
+    systemd_mounts:
+      - what: "/openstack/nfs.img"
+        where: "/srv/nfs"
+        options: "loop,{{ bootstrap_host_data_mount_options['xfs'] }}"
+        type: "xfs"
+        state: 'started'
+        enabled: true
+  tags:
+    - nfs-config
+
+- name: Install NFS packages
+  package:
+    name: "{{ nfs_package }}"
+    state: present
+
+- name: create the system group for nfs
+  group:
+    name: "nfs-user"
+    gid: "10000"
+    state: "present"
+    system: "yes"
+
+- name: Create the system user for nfs
+  user:
+    name: "nfs-user"
+    uid: "10000"
+    group: "nfs-user"
+    comment: "nfs-user"
+    shell: "/bin/false"
+    system: "yes"
+    createhome: "yes"
+    home: "/srv/nfs"
+
+- name: Create base directories
+  file:
+    path: "{{ item }}"
+    state: "directory"
+    owner: "nfs-user"
+    group: "nfs-user"
+  with_items:
+    - "/srv/nfs/glance"
+
+- name: Create exports file
+  lineinfile:
+    path: /etc/exports
+    line: '{{ item }} {{ storage_range }}.0/{{ netmask }}(rw,sync,no_subtree_check,insecure,all_squash,anonuid=10000,anongid=10000)'
+    owner: root
+    group: root
+    mode: 0644
+    create: yes
+  with_items:
+    - "/srv/nfs/glance"
+  register: nfs_exportfs
+
+- name: Restart nfs-server
+  systemd:
+    daemon_reload: yes
+    name: "nfs-server"
+    enabled: "yes"
+    state: "restarted"
+  when:
+    - nfs_exportfs  is changed
+
+- name: Export NFS
+  command: exportfs -rav

tests/roles/bootstrap-host/templates/user_variables_nfs.yml.j2

@@ -0,0 +1,9 @@
+---
+
+glance_default_store: file
+glance_nfs_client:
+  - server: "172.29.244.100"
+    remote_path: "/srv/nfs/glance"
+    local_path: "/var/lib/glance/images"
+    type: "nfs"
+    options: "_netdev,auto"

tests/roles/bootstrap-host/vars/debian.yml

@@ -44,3 +44,5 @@ packages_remove:
 
 rc_local: /etc/rc.local
 rc_local_insert_before: "^exit 0$"
+
+nfs_package: nfs-kernel-server

tests/roles/bootstrap-host/vars/redhat-8.yml

@@ -33,3 +33,5 @@ packages_remove: []
 
 rc_local: /etc/rc.d/rc.local
 rc_local_insert_before: "^touch /var/lock/subsys/local$"
+
+nfs_package: nfs-utils

tests/roles/bootstrap-host/vars/redhat.yml

@@ -33,3 +33,5 @@ packages_remove: []
 
 rc_local: /etc/rc.d/rc.local
 rc_local_insert_before: "^touch /var/lock/subsys/local$"
+
+nfs_package: nfs-utils

zuul.d/jobs.yaml

@@ -271,6 +271,11 @@
     parent: openstack-ansible-deploy-aio
     nodeset: ubuntu-focal
 
+- job:
+    name: openstack-ansible-deploy-aio_nfs-ubuntu-focal
+    parent: openstack-ansible-deploy-aio
+    nodeset: ubuntu-focal
+
 - job:
     name: openstack-ansible-deploy-aio_proxy-ubuntu-focal
     parent: openstack-ansible-deploy-aio
@@ -429,6 +434,11 @@
     parent: openstack-ansible-deploy-aio
     nodeset: centos-8-stream
 
+- job:
+    name: openstack-ansible-deploy-aio_nfs-centos-8-stream
+    parent: openstack-ansible-deploy-aio
+    nodeset: centos-8-stream
+
 - job:
     name: openstack-ansible-deploy-aio_distro_ceph-centos-8-stream
     parent: openstack-ansible-deploy-aio-distro

zuul.d/project-templates.yaml

@@ -211,6 +211,15 @@
       jobs:
         - openstack-ansible-deploy-aio_distro_metal-debian-bullseye
 
+- project-template:
+    name: openstack-ansible-deploy-nfs-jobs
+    check:
+      jobs:
+        - openstack-ansible-deploy-aio_nfs-ubuntu-focal
+    gate:
+      jobs:
+        - openstack-ansible-deploy-aio_nfs-ubuntu-focal
+
 - project-template:
     name: openstack-ansible-deploy-ceph-jobs
     check: