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OpenStack Pike : Manila 利用方法#2
2017/09/07
 
OpenStack Shared File System(Manila)による共有の設定です。
当例では以下のような環境を例に Manila をインストールして設定しています。
例として、専用のインスタンスを利用した NFS 共有を設定します。
前提として、バックエンドに Cinder ストレージを利用します。
ここでは例として LVM バックエンドで disk01 というストレージを 10G で作成しています
     ------------+---------------------------+---------------------------+------------
                 |                           |                           |
             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   Cinder API|   |     Metadata Agent    |   |        L2 Agent       |
     |  Neutron Server       |   |     Cinder-Volume     |   |                       |
     |  Metadata Agent       |   |      Manila Share     |   |                       |
     |  Manila API           |   |                       |   |                       |
     +-----------------------+   +-----------------------+   +-----------------------+

[1] Storage ノードの設定です。
[root@storage ~]#
vi /etc/manila/manila.conf
# [DEFAULT] セクション内の任意の場所へ追記

enabled_share_backends = generic

# 最終行へ追記
[neutron]
url = http://10.0.0.30:9696
auth_uri = http://10.0.0.30:5000
auth_url = http://10.0.0.30:35357
memcached_servers = 10.0.0.30:11211
auth_type = password
project_domain_name = default
user_domain_name = default
region_name = RegionOne
project_name = service
username = neutron
password = servicepassword

[nova]
auth_uri = http://10.0.0.30:5000
auth_url = http://10.0.0.30:35357
memcached_servers = 10.0.0.30:11211
auth_type = password
project_domain_name = default
user_domain_name = default
region_name = RegionOne
project_name = service
username = nova
password = servicepassword

[cinder]
auth_uri = http://10.0.0.30:5000
auth_url = http://10.0.0.30:35357
memcached_servers = 10.0.0.30:11211
auth_type = password
project_domain_name = default
user_domain_name = default
region_name = RegionOne
project_name = service
username = cinder
password = servicepassword

[generic]
share_backend_name = backend01
share_driver = manila.share.drivers.generic.GenericShareDriver
driver_handles_share_servers = True
service_instance_flavor_id = 1
service_instance_security_group = manila-service
service_image_name = manila-service-image
service_instance_user = manila
service_instance_password = manila
interface_driver = manila.network.linux.interface.OVSInterfaceDriver

[root@storage ~]#
systemctl start openstack-manila-share

[root@storage ~]#
systemctl enable openstack-manila-share
[2] Manila のサービスイメージをダウンロードして、Glance に登録しておきます。また Manilaサービス用のセキィリティグループも作成しておきます。
[root@dlp ~(keystone)]#
curl -O http://tarballs.openstack.org/manila-image-elements/images/manila-service-image-master.qcow2

[root@dlp ~(keystone)]#
openstack image create "manila-service-image" --file manila-service-image-master.qcow2 --disk-format qcow2 --container-format bare --public

+------------------+------------------------------------------------------+
| Field            | Value                                                |
+------------------+------------------------------------------------------+
| checksum         | 2bf61c8f8fc4f0305a01efcf28a28151                     |
| container_format | bare                                                 |
| created_at       | 2017-09-08T03:54:43Z                                 |
| disk_format      | qcow2                                                |
| file             | /v2/images/ed4094fc-a22e-400f-9eb3-833bb25c0230/file |
| id               | ed4094fc-a22e-400f-9eb3-833bb25c0230                 |
| min_disk         | 0                                                    |
| min_ram          | 0                                                    |
| name             | manila-service-image                                 |
| owner            | 09158bee8c6441519bf3a3743d936566                     |
| protected        | False                                                |
| schema           | /v2/schemas/image                                    |
| size             | 337947136                                            |
| status           | active                                               |
| tags             |                                                      |
| updated_at       | 2017-09-08T03:54:45Z                                 |
| virtual_size     | None                                                 |
| visibility       | public                                               |
+------------------+------------------------------------------------------+

[root@dlp ~(keystone)]#
openstack security group create manila-service

+-----------------+--------------------------------------------------------------------------------------+
| Field           | Value                                                                                |
+-----------------+--------------------------------------------------------------------------------------+
| created_at      | 2017-09-08T07:05:59Z                                                                 |
| description     | manila-service                                                                       |
| id              | fb852fcd-3c1d-4555-b59a-a4b8cab4f27a                                                 |
| name            | manila-service                                                                       |
| project_id      | 09158bee8c6441519bf3a3743d936566                                                     |
| revision_number | 2                                                                                    |
| rules           | created_at='2017-09-08T07:05:59Z', direction='egress', ethertype='IPv4', id='19af... |
|                 | created_at='2017-09-08T07:05:59Z', direction='egress', ethertype='IPv6', id='f107... |
| updated_at      | 2017-09-08T07:05:59Z                                                                 |
+-----------------+--------------------------------------------------------------------------------------+
[3] デフォルトの共有タイプを作成します。
[root@dlp ~(keystone)]#
manila type-create default_share_type True

+----------------------+--------------------------------------+
| Property             | Value                                |
+----------------------+--------------------------------------+
| required_extra_specs | driver_handles_share_servers : True  |
| Name                 | default_share_type                   |
| Visibility           | public                               |
| is_default           | -                                    |
| ID                   | 34805584-9ac4-4ffd-a802-08d27c788ce6 |
| optional_extra_specs |                                      |
+----------------------+--------------------------------------+

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

+-----------+--------------------+------------+------------+--------------------------+-------------------+
| ID        | Name               | visibility | is_default | required_extra_specs     | optional_extra_.. |
+-----------+--------------------+------------+------------+--------------------------+-------------------+
| 34805584- | default_share_type | public     | YES        | driver_handles_share_... |                   |
+-----------+--------------------+------------+------------+--------------------------+-------------------+
[4] 共有ネットワークを作成します。
[root@dlp ~(keystone)]#
openstack network list

+--------------------------------------+---------+--------------------------------------+
| ID                                   | Name    | Subnets                              |
+--------------------------------------+---------+--------------------------------------+
| b70e8cdc-8c61-4a3b-8dfc-060cba8f82f9 | int_net | 3627d5d7-8196-469f-897e-2159f695052a |
| e27d7f02-773f-4e11-8aa9-e70ebc05ab76 | ext_net | 85f3a6a0-07ab-493d-91a3-cd60ecd908c7 |
+--------------------------------------+---------+--------------------------------------+

[root@dlp ~(keystone)]#
openstack subnet list

+--------------------------------------+---------+--------------------------------------+------------------+
| ID                                   | Name    | Network                              | Subnet           |
+--------------------------------------+---------+--------------------------------------+------------------+
| 3627d5d7-8196-469f-897e-2159f695052a | subnet1 | b70e8cdc-8c61-4a3b-8dfc-060cba8f82f9 | 192.168.100.0/24 |
| 85f3a6a0-07ab-493d-91a3-cd60ecd908c7 | subnet2 | e27d7f02-773f-4e11-8aa9-e70ebc05ab76 | 10.0.0.0/24      |
+--------------------------------------+---------+--------------------------------------+------------------+

[root@dlp ~(keystone)]#
INT_NET=$(openstack network list | grep 'int_net' | awk '{print $2}')

[root@dlp ~(keystone)]#
INT_SUBNET=$(openstack subnet list | grep 'subnet1' | awk '{print $2}')
[root@dlp ~(keystone)]#
manila share-network-create --neutron-net-id $INT_NET --neutron-subnet-id $INT_SUBNET --name manila_share

+-------------------+--------------------------------------+
| Property          | Value                                |
+-------------------+--------------------------------------+
| network_type      | None                                 |
| name              | manila_share                         |
| segmentation_id   | None                                 |
| created_at        | 2017-09-08T07:09:13.579105           |
| neutron_subnet_id | 3627d5d7-8196-469f-897e-2159f695052a |
| updated_at        | None                                 |
| mtu               | None                                 |
| gateway           | None                                 |
| neutron_net_id    | b70e8cdc-8c61-4a3b-8dfc-060cba8f82f9 |
| ip_version        | None                                 |
| cidr              | None                                 |
| project_id        | 09158bee8c6441519bf3a3743d936566     |
| id                | 26f4b5da-a472-46db-bc27-9277ff7ff6c2 |
| description       | None                                 |
+-------------------+--------------------------------------+

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

+--------------------------------------+--------------+
| id                                   | name         |
+--------------------------------------+--------------+
| 26f4b5da-a472-46db-bc27-9277ff7ff6c2 | manila_share |
+--------------------------------------+--------------+
[5] NFS 共有を作成します。
# flavor id 1 を作成しておく

[root@dlp ~(keystone)]#
openstack flavor create --id 1 --vcpus 1 --ram 2048 --disk 10 m1.tiny

+----------------------------+---------+
| Field                      | Value   |
+----------------------------+---------+
| OS-FLV-DISABLED:disabled   | False   |
| OS-FLV-EXT-DATA:ephemeral  | 0       |
| disk                       | 10      |
| id                         | 1       |
| name                       | m1.tiny |
| os-flavor-access:is_public | True    |
| properties                 |         |
| ram                        | 2048    |
| rxtx_factor                | 1.0     |
| swap                       |         |
| vcpus                      | 1       |
+----------------------------+---------+

[root@dlp ~(keystone)]#
manila create NFS 1 --name share01 --share-network manila_share

+---------------------------------------+--------------------------------------+
| Property                              | Value                                |
+---------------------------------------+--------------------------------------+
| status                                | creating                             |
| share_type_name                       | default_share_type                   |
| description                           | None                                 |
| availability_zone                     | None                                 |
| share_network_id                      | e346e2d4-cceb-420e-a1b0-950dacea10ee |
| share_server_id                       | None                                 |
| share_group_id                        | None                                 |
| host                                  |                                      |
| 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                                    | f51f9e8a-a7ae-446c-9332-b5104c3401cf |
| size                                  | 1                                    |
| source_share_group_snapshot_member_id | None                                 |
| user_id                               | 09d8dfa20e0f40eaae448d369943b195     |
| name                                  | share01                              |
| share_type                            | cbfdfba0-f043-4c48-9f75-aea45be2caff |
| has_replicas                          | False                                |
| replication_type                      | None                                 |
| created_at                            | 2017-09-08T07:31:35.000000           |
| share_proto                           | NFS                                  |
| mount_snapshot_support                | False                                |
| project_id                            | 09158bee8c6441519bf3a3743d936566     |
| metadata                              | {}                                   |
+---------------------------------------+--------------------------------------+

# Status が available になれば作成完了

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

+--------+---------+------+-------------+-----------+-----------+--------------------+------------+--------+
| ID     | Name    | Size | Share Proto | Status    | Is Public | Share Type Name    | Host       | Avai.. |
+--------+---------+------+-------------+-----------+-----------+--------------------+------------+--------+
| f51... | share01 | 1    | NFS         | available | False     | default_share_type | network... | nova   |
+--------+---------+------+-------------+-----------+-----------+--------------------+------------+--------+
[6] ここまでの設定で Storage ノード上に 10.254.0.9/28 内から任意のネットワークが設定されます。
[root@storage ~]#
ip addr

.....
.....
16: tapb2bf768a-46: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN qlen 1000
    link/ether fa:16:3e:55:f3:ed brd ff:ff:ff:ff:ff:ff
    inet 10.254.0.9/28 brd 10.254.0.15 scope global tapb2bf768a-46
       valid_lft forever preferred_lft forever
    inet6 fe80::f816:3eff:fe55:f3ed/64 scope link
       valid_lft forever preferred_lft forever
.....
.....
[7] 以上の設定で、任意のインスタンスから Manila の共有サービスを利用することができます。
[root@dlp ~(keystone)]#
openstack server list

+-----------+----------+---------+------------------------------------+---------+----------+
| ID        | Name     | Status  | Networks                           | Image   | Flavor   |
+-----------+----------+---------+------------------------------------+---------+----------+
| 662f62b8- | CentOS_7 | SHUTOFF | int_net=192.168.100.12, 10.0.0.201 | CentOS7 | m1.small |
+-----------+----------+---------+------------------------------------+---------+----------+

# アクセス許可の設定 (IP はインスタンスの IPアドレス または インスタンスが属するサブネットを指定)

[root@dlp ~(keystone)]#
manila access-allow share01 ip 192.168.100.0/24 --access-level rw

+--------------+--------------------------------------+
| Property     | Value                                |
+--------------+--------------------------------------+
| access_key   | None                                 |
| share_id     | f51f9e8a-a7ae-446c-9332-b5104c3401cf |
| created_at   | 2017-09-08T07:40:23.000000           |
| updated_at   | None                                 |
| access_type  | ip                                   |
| access_to    | 192.168.100.0/24                     |
| access_level | rw                                   |
| state        | queued_to_apply                      |
| id           | c9c973a4-3b68-47c7-bcef-724fc3551463 |
+--------------+--------------------------------------+

# State が active であれば問題なし

[root@dlp ~(keystone)]#
manila access-list share01

+--------+-------------+------------------+--------------+--------+------------+--------------+------------+
| id     | access_type | access_to        | access_level | state  | access_key | created_at   | updated_at |
+--------+-------------+------------------+--------------+--------+------------+--------------+------------+
| c9c... | ip          | 192.168.100.0/24 | rw           | active | None       | 2017-09-0... | None       |
+--------+-------------+------------------+--------------+--------+------------+--------------+------------+

[root@dlp ~(keystone)]#
openstack server start CentOS_7

# アクセス Path 確認

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

path = 10.254.0.11:/shares/share-15db92a3-4e21-4efc-9c36-bbcc65002662
[root@dlp ~(keystone)]#
ssh centos@10.0.0.201

Last login: Thu Sep 7 17:13:09 2017 from dlp.srv.world
# Manila 共有ストレージをマウント

[centos@centos-7 ~]$
sudo mount -t nfs \
10.254.0.11:/shares/share-15db92a3-4e21-4efc-9c36-bbcc65002662 /mnt

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

Filesystem                                              Type      Size  Used Avail Use% Mounted on
/dev/mapper/cl-root                                     xfs       8.0G  1.1G  7.0G  14% /
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  121M  894M  12% /boot
tmpfs                                                   tmpfs     201M     0  201M   0% /run/user/1000
10.254.0.11:/shares/share-15db92a3-4e21-4efc-9c36-bb... nfs4      976M  1.3M  908M   1% /mnt
 
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