OpenStack Pike : Manila 利用方法#12017/09/07 |
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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、Storage ノードのローカルブロックデバイスを
LVM バックエンドの共有ストレージとして設定し、インスタンスから利用できるようにします。
よって、前提として Storage ノードに空きブロックデバイスがある必要があります。
------------+---------------------------+---------------------------+------------
| | |
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 | | Metadata Agent | | L2 Agent |
| Neutron Server | | Manila Share | | |
| Metadata Agent | | | | |
| Manila API | | | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Storage ノードの設定です。 |
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[root@storage ~]#
yum -y install nfs-utils nfs4-acl-tools # 空きデバイスに Manila用ボリューム作成 [root@storage ~]# pvcreate /dev/sdb1 Physical volume "/dev/sdb1" successfully created [root@storage ~]# vgcreate manila-volumes /dev/sdb1 Volume group "manila-volumes" successfully created
[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 = lvm
# 最終行へ追記 [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 systemctl start openstack-manila-share nfs-server [root@storage ~]# systemctl enable openstack-manila-share nfs-server
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| [2] | デフォルトの共有タイプを作成します。作業は、どこでもよいですが、ここではコントロールノード上で行います。 |
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[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 | 224021a0-bb81-4d7f-91b1-488e7baf191f | | optional_extra_specs | | +----------------------+--------------------------------------+[root@dlp ~(keystone)]# manila type-list +-----------+--------------------+------------+------------+--------------------------------------+--------+ | ID | Name | visibility | is_default | required_extra_specs | opt... | +-----------+--------------------+------------+------------+--------------------------------------+--------+ | 224021a0- | default_share_type | public | YES | driver_handles_share_servers : False | | +-----------+--------------------+------------+------------+--------------------------------------+--------+ |
| [3] | NFS 共有を作成します。 |
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[root@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_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 | da49783c-baa7-4514-97ef-a09c90a9a6e5 |
| size | 1 |
| source_share_group_snapshot_member_id | None |
| user_id | 09d8dfa20e0f40eaae448d369943b195 |
| name | share01 |
| share_type | 224021a0-bb81-4d7f-91b1-488e7baf191f |
| has_replicas | False |
| replication_type | None |
| created_at | 2017-09-08T02:42:29.000000 |
| 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.. | +-----------+---------+------+-------------+-----------+-----------+--------------------+---------+--------+ | da49783c- | share01 | 1 | NFS | available | False | default_share_type | netw... | nova | +-----------+---------+------+-------------+-----------+-----------+--------------------+---------+--------+ |
| [4] | 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。 |
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[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 10.0.0.0/24 --access-level rw +--------------+--------------------------------------+ | Property | Value | +--------------+--------------------------------------+ | access_key | None | | share_id | da49783c-baa7-4514-97ef-a09c90a9a6e5 | | created_at | 2017-09-08T02:45:11.000000 | | updated_at | None | | access_type | ip | | access_to | 10.0.0.0/24 | | access_level | rw | | state | queued_to_apply | | id | 621d52ac-90ee-4470-af2c-253224cb092a | +--------------+--------------------------------------+ # 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 | +-----------+-------------+-------------+--------------+--------+------------+---------------+------------+ | 621d52ac- | ip | 10.0.0.0/24 | rw | active | None | 2017-09-08... | 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 = 10.0.0.50:/var/lib/manila/mnt/share-6c6770cc-a2ba-41bc-b283-ffd9204991d9
[root@dlp ~(keystone)]#
ssh centos@10.0.0.201 Last login: Thu Sep 7 17:13:09 2017 from dlp.srv.world [centos@centos-7 ~]$ # Manila 共有ストレージをマウント [centos@centos-7 ~]$ sudo mount -t nfs \ 10.0.0.50:/var/lib/manila/mnt/share-6c6770cc-a2ba-41bc-b283-ffd9204991d9 /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 8.3M 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 10.0.0.50:/var/lib/manila/mnt/share-6c6770cc-a2ba-41bc-... nfs4 976M 2.5M 907M 1% /mnt |
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