CentOS 7
Sponsored Link

OpenStack Queens : How to use Manila#1
2018/03/11
 
This is How to use OpenStack Shared File System (Manila).
This example is based on the emvironment like follows.
For example, Configure local block device as shared storage on Storage Node and use it from Instances. Therefore, it needs there is a free block device on Storage Node.
     ------------+---------------------------+---------------------------+------------
                 |                           |                           |
             eth0|10.0.0.30              eth0|10.0.0.50              eth0|10.0.0.51
     +-----------+-----------+   +-----------+-----------+   +-----------+-----------+
     |    [ Control Node ]   |   |    [ Storage Node ]   |   |    [ Compute Node ]   |
     |                       |   |                       |   |                       |
     |  MariaDB    RabbitMQ  |   |      Open vSwitch     |   |        Libvirt        |
     |  Memcached  httpd     |   |        L2 Agent       |   |     Nova Compute      |
     |  Keystone   Glance    |   |        L3 Agent       |   |      Open vSwitch     |
     |  Nova API             |   |     Metadata Agent    |   |        L2 Agent       |
     |  Neutron Server       |   |      Manila Share     |   |                       |
     |  Metadata Agent       |   |                       |   |                       |
     |  Manila API           |   |                       |   |                       |
     +-----------------------+   +-----------------------+   +-----------------------+

[1] Configure Storage Node.
[root@storage ~]#
yum -y install nfs-utils nfs4-acl-tools
# create a volume for Manila on free block device

[root@storage ~]#
pvcreate /dev/sdc1

  Physical volume "/dev/sdc1" successfully created
[root@storage ~]#
vgcreate manila-volumes /dev/sdc1

  Volume group "manila-volumes" successfully created
[root@storage ~]#
vi /etc/manila/manila.conf
# add follows into [DEFAULT] section

enabled_share_backends = lvm
# add to the end

[lvm]
share_backend_name = LVM
share_driver = manila.share.drivers.lvm.LVMShareDriver
driver_handles_share_servers = False
lvm_share_volume_group = manila-volumes
lvm_share_export_ip = 10.0.0.50
[root@storage ~]#
systemctl start openstack-manila-share nfs-server

[root@storage ~]#
systemctl enable openstack-manila-share nfs-server
[2] Create default share type. It's OK to work on any node. (This example is on Control Node)
[root@dlp ~(keystone)]#
manila type-create default_share_type False

+----------------------+--------------------------------------+
| Property             | Value                                |
+----------------------+--------------------------------------+
| required_extra_specs | driver_handles_share_servers : False |
| Name                 | default_share_type                   |
| Visibility           | public                               |
| is_default           | -                                    |
| ID                   | df792510-ef65-469a-a772-c08152b65f2b |
| optional_extra_specs |                                      |
| Description          | None                                 |
+----------------------+--------------------------------------+

[root@dlp ~(keystone)]#
manila type-list

+-----------+--------------------+------------+------------+--------------------------------------+--------+
| ID        | Name               | visibility | is_default | required_extra_specs                 | opt... |
+-----------+--------------------+------------+------------+--------------------------------------+--------+
| df792510- | default_share_type | public     | YES        | driver_handles_share_servers : False |        |
+-----------+--------------------+------------+------------+--------------------------------------+--------+
[3] Login as a common user to create Manila NFS Share.
[cent@dlp ~(keystone)]$
manila create NFS 1 --name share01

+---------------------------------------+--------------------------------------+
| Property                              | Value                                |
+---------------------------------------+--------------------------------------+
| status                                | creating                             |
| share_type_name                       | default_share_type                   |
| description                           | None                                 |
| availability_zone                     | None                                 |
| share_network_id                      | None                                 |
| share_group_id                        | None                                 |
| revert_to_snapshot_support            | False                                |
| access_rules_status                   | active                               |
| snapshot_id                           | None                                 |
| create_share_from_snapshot_support    | False                                |
| is_public                             | False                                |
| task_state                            | None                                 |
| snapshot_support                      | False                                |
| id                                    | 1f0d7fca-cf95-4ba6-9bb2-8175c04012a1 |
| size                                  | 1                                    |
| source_share_group_snapshot_member_id | None                                 |
| user_id                               | 3fc6c62eb5aa440aaa1eaf745faa35d6     |
| name                                  | share01                              |
| share_type                            | df792510-ef65-469a-a772-c08152b65f2b |
| has_replicas                          | False                                |
| replication_type                      | None                                 |
| created_at                            | 2018-03-12T01:49:48.000000           |
| share_proto                           | NFS                                  |
| mount_snapshot_support                | False                                |
| project_id                            | 52e02649325e4cf1b903d00cadb8fad2     |
| metadata                              | {}                                   |
+---------------------------------------+--------------------------------------+

# few minutes later, the Status turns to available

[cent@dlp ~(keystone)]$
manila list

+-----------+---------+------+-------------+-----------+-----------+--------------------+------+---------+
| ID        | Name    | Size | Share Proto | Status    | Is Public | Share Type Name    | Host | Avai... |
+-----------+---------+------+-------------+-----------+-----------+--------------------+------+---------+
| 1f0d7f... | share01 | 1    | NFS         | available | False     | default_share_type |      | nova    |
+-----------+---------+------+-------------+-----------+-----------+--------------------+------+---------+
[4] It's OK all, you can use Manila Shared filesystem on your own instances like follows.
[cent@dlp ~(keystone)]$
openstack server list

+-----------+----------+---------+-----------------------------------+---------+----------+
| ID        | Name     | Status  | Networks                          | Image   | Flavor   |
+-----------+----------+---------+-----------------------------------+---------+----------+
| 8c005287- | CentOS_7 | SHUTOFF | int_net=192.168.100.5, 10.0.0.202 | CentOS7 | m1.small |
+-----------+----------+---------+-----------------------------------+---------+----------+

# allow access permission first

[cent@dlp ~(keystone)]$
manila access-allow share01 ip 10.0.0.0/24 --access-level rw

+--------------+--------------------------------------+
| Property     | Value                                |
+--------------+--------------------------------------+
| access_key   | None                                 |
| share_id     | 1f0d7fca-cf95-4ba6-9bb2-8175c04012a1 |
| created_at   | 2018-03-12T01:51:46.000000           |
| updated_at   | None                                 |
| access_type  | ip                                   |
| access_to    | 10.0.0.0/24                          |
| access_level | rw                                   |
| state        | queued_to_apply                      |
| id           | 60afaad8-1ab3-492f-95c6-106fa1627482 |
+--------------+--------------------------------------+

# no ploblem if State turns to active

[cent@dlp ~(keystone)]$
manila access-list share01

+-----------+-------------+-------------+--------------+--------+------------+----------------+------------+
| id        | access_type | access_to   | access_level | state  | access_key | created_at     | updated_at |
+-----------+-------------+-------------+--------------+--------+------------+----------------+------------+
| 60afaad8- | ip          | 10.0.0.0/24 | rw           | active | None       | 2018-03-12T... | None       |
+-----------+-------------+-------------+--------------+--------+------------+----------------+------------+

[cent@dlp ~(keystone)]$
openstack server start CentOS_7

# confirm access Path

[cent@dlp ~(keystone)]$
manila show share01 | grep path | cut -d'|' -f3

path = 10.0.0.50:/var/lib/manila/mnt/share-132a7c43-1426-40e0-8b8e-bbcd37199173
[cent@dlp ~(keystone)]$
ssh centos@10.0.0.202

Last login: Mon Mar 11 19:58:31 2018 from 10.0.0.30
[centos@centos-7 ~]$
# mount Manila shared storage

[centos@centos-7 ~]$
sudo mount -t nfs \
10.0.0.50:/var/lib/manila/mnt/share-132a7c43-1426-40e0-8b8e-bbcd37199173 /mnt

[centos@centos-7 ~]$
df -hT

Filesystem                                       Type      Size  Used Avail Use% Mounted on
/dev/mapper/centos-root                          xfs       8.0G 1017M  7.0G  13% /
devtmpfs                                         devtmpfs  990M     0  990M   0% /dev
tmpfs                                            tmpfs    1001M     0 1001M   0% /dev/shm
tmpfs                                            tmpfs    1001M  8.4M  992M   1% /run
tmpfs                                            tmpfs    1001M     0 1001M   0% /sys/fs/cgroup
/dev/vda1                                        xfs      1014M  125M  890M  13% /boot
tmpfs                                            tmpfs     201M     0  201M   0% /run/user/1001
tmpfs                                            tmpfs     201M     0  201M   0% /run/user/0
10.0.0.50:/var/lib/manila/mnt/share-132a7c43-... nfs4      976M  2.5M  907M   1% /mnt
Matched Content
 
Tweet