CentOS 7
 

OpenStack Ocata : Manila 利用方法#2
2017/03/05
 
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,L3,Metadata Agent |        |      Nova Compute     |
     |  Keystone   Glance    |        |     Cinder Volume     |        |      Open vSwitch     |
     |  Nova API  Cinder API |        |      Manila Share     |        |        L2 Agent       |
     |  Neutron Server       |        |                       |        |                       |
     |  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_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。
[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         | f0dfd7af9cbb831ff116d0c0e387a610                     |
| container_format | bare                                                 |
| created_at       | 2017-03-05T11:28:48Z                                 |
| disk_format      | qcow2                                                |
| file             | /v2/images/1b46666f-bb58-4bd0-a120-605650dc01fa/file |
| id               | 1b46666f-bb58-4bd0-a120-605650dc01fa                 |
| min_disk         | 0                                                    |
| min_ram          | 0                                                    |
| name             | manila-service-image                                 |
| owner            | c654e2e098b14356b97b6e613775cc54                     |
| protected        | False                                                |
| schema           | /v2/schemas/image                                    |
| size             | 348594176                                            |
| status           | active                                               |
| tags             |                                                      |
| updated_at       | 2017-03-05T11:28:49Z                                 |
| virtual_size     | None                                                 |
| visibility       | public                                               |
+------------------+------------------------------------------------------+
[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                   | 56f8f956-c249-4920-904c-6a66cb979a07 |
| optional_extra_specs |                                      |
+----------------------+--------------------------------------+

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

+-----------+--------------------+------------+------------+-------------------------------------+----------------------+
| ID        | Name               | visibility | is_default | required_extra_specs                | optional_extra_specs |
+-----------+--------------------+------------+------------+-------------------------------------+----------------------+
| 56f8f956- | default_share_type | public     | YES        | driver_handles_share_servers : True |                      |
+-----------+--------------------+------------+------------+-------------------------------------+----------------------+
[4] 共有ネットワークを作成します。
[root@dlp ~(keystone)]#
openstack network list

+--------------------------------------+---------+--------------------------------------+
| ID                                   | Name    | Subnets                              |
+--------------------------------------+---------+--------------------------------------+
| 0caa61ce-db39-44dc-9c54-a50bb48fae08 | ext_net | a3cc573a-8066-49a1-bf0e-21ed53595452 |
| e82354f3-7820-421f-b8d6-0b67ff26f5c2 | int_net | 4a0d9278-6b06-4809-9b35-e7facff737d2 |
+--------------------------------------+---------+--------------------------------------+

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

+--------------------------------------+---------+--------------------------------------+------------------+
| ID                                   | Name    | Network                              | Subnet           |
+--------------------------------------+---------+--------------------------------------+------------------+
| 4a0d9278-6b06-4809-9b35-e7facff737d2 | subnet1 | e82354f3-7820-421f-b8d6-0b67ff26f5c2 | 192.168.100.0/24 |
| a3cc573a-8066-49a1-bf0e-21ed53595452 | subnet2 | 0caa61ce-db39-44dc-9c54-a50bb48fae08 | 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        | 2017-03-05T11:37:50.098835           |
| neutron_subnet_id | 4a0d9278-6b06-4809-9b35-e7facff737d2 |
| updated_at        | None                                 |
| mtu               | None                                 |
| gateway           | None                                 |
| neutron_net_id    | e82354f3-7820-421f-b8d6-0b67ff26f5c2 |
| ip_version        | None                                 |
| cidr              | None                                 |
| project_id        | c654e2e098b14356b97b6e613775cc54     |
| id                | 7227b417-8f63-4b78-9c17-7c691ac92312 |
| description       | None                                 |
+-------------------+--------------------------------------+

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

+--------------------------------------+--------------+
| id                                   | name         |
+--------------------------------------+--------------+
| 7227b417-8f63-4b78-9c17-7c691ac92312 | 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                         | 0        |
| name                       | m1.small |
| 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                      | b7929ba2-127d-4226-89fa-cdbbb055d69c |
| 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                                    | 5f07034e-83de-4702-b62d-e8bd31c06ff8 |
| size                                  | 1                                    |
| source_share_group_snapshot_member_id | None                                 |
| user_id                               | cf3c5cbcdd214707b91d322a69af038e     |
| name                                  | share01                              |
| share_type                            | b30ba44b-3716-4589-829b-bf9f92e40e9b |
| has_replicas                          | False                                |
| replication_type                      | None                                 |
| created_at                            | 2017-03-05T12:58:36.000000           |
| share_proto                           | NFS                                  |
| mount_snapshot_support                | False                                |
| project_id                            | c654e2e098b14356b97b6e613775cc54     |
| 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             | Availability Zone |
+-----------+---------+------+-------------+-----------+-----------+--------------------+------------------+-------------------+
| 857b6ef2- | share01 | 5    | NFS         | available | False     | default_share_type | network.srv.w... | nova              |
+-----------+---------+------+-------------+-----------+-----------+--------------------+------------------+-------------------+
[6] ここまでの設定で Storage ノード上に 10.254.0.0/16 (manila.conf のデフォルト値) 内から任意のネットワークが設定されます。
[root@storage ~]#
ip addr

.....
.....
17: tap6f40c109-dc: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN qlen 1000
    link/ether fa:16:3e:d8:ad:95 brd ff:ff:ff:ff:ff:ff
    inet 10.254.0.5/28 brd 10.254.0.15 scope global tap6f40c109-dc
       valid_lft forever preferred_lft forever
    inet6 fe80::f816:3eff:fed8:ad95/64 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 Name |
+----------------+----------+---------+-----------------------------------+------------+
| b17e0565-3abe- | CentOS_7 | SHUTOFF | int_net=192.168.100.5, 10.0.0.201 | CentOS7    |
+----------------+----------+---------+-----------------------------------+------------+

# 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 10.0.0.0/24 --access-level rw

+--------------+--------------------------------------+
| Property     | Value                                |
+--------------+--------------------------------------+
| access_key   | None                                 |
| share_id     | 857b6ef2-6ddf-4a03-9177-35abd35ce205 |
| access_type  | ip                                   |
| access_to    | 10.0.0.0/24                          |
| access_level | rw                                   |
| state        | queued_to_apply                      |
| id           | c8a9c652-009b-48a9-9283-a5f3c5def713 |
+--------------+--------------------------------------+

# 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 |
+--------------------------------------+-------------+------------------+--------------+--------+------------+
| c8a9c652-009b-48a9-9283-a5f3c5def713 | ip          | 10.0.0.0/24      | rw           | active | 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 = 10.254.0.7:/shares/share-35353aa3-389c-4274-a28a-14563b28fc2a
[root@dlp ~(keystone)]#
ssh 10.0.0.201

root@10.0.0.201's password:
Last login: Sun Mar 5 20:05:49 2017 from dlp.srv.world
# Manila 共有ストレージをマウント

[root@host-192-168-100-5 ~]#
mount -t nfs 10.254.0.7:/shares/share-35353aa3-389c-4274-a28a-14563b28fc2a /mnt

[root@host-192-168-100-5 ~]#
df -hT

Filesystem                                                    Type      Size  Used Avail Use% Mounted on
/dev/mapper/cl-root                                           xfs       8.0G 1015M  7.0G  13% /
devtmpfs                                                      devtmpfs  990M     0  990M   0% /dev
tmpfs                                                         tmpfs    1001M     0 1001M   0% /dev/shm
tmpfs                                                         tmpfs    1001M  8.3M  993M   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/0
10.254.0.7:/shares/share-35353aa3-389c-4274-a28a-14563b28fc2a nfs4      976M  1.3M  908M   1% /mnt
 
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