OpenStack Ocata : Manila 利用方法#12017/03/05 |
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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,L3,Metadata Agent | | Nova Compute |
| Keystone Glance | | Manila Share | | Open vSwitch |
| Nova API | | | | L2 Agent |
| Neutron Server | | | | |
| 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 | f6c47ee3-68cf-4375-a8c0-d66ce2d69b5d | | optional_extra_specs | | +----------------------+--------------------------------------+[root@dlp ~(keystone)]# manila type-list +-----------+--------------------+------------+------------+--------------------------------------+----------------------+ | ID | Name | visibility | is_default | required_extra_specs | optional_extra_specs | +-----------+--------------------+------------+------------+--------------------------------------+----------------------+ | f6c47ee3- | 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 | f6a8ef7c-a102-4191-9047-de60030ebbd8 |
| size | 1 |
| source_share_group_snapshot_member_id | None |
| user_id | cf3c5cbcdd214707b91d322a69af038e |
| name | share01 |
| share_type | f6c47ee3-68cf-4375-a8c0-d66ce2d69b5d |
| has_replicas | False |
| replication_type | None |
| created_at | 2017-03-05T11:02:22.000000 |
| 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 | +-----------+---------+------+-------------+-----------+-----------+--------------------+--------------------+-------------------+ | f6a8ef7c- | share01 | 1 | NFS | available | False | default_share_type | network.srv.wor... | 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 Name | +-----------+----------+---------+-----------------------------------+------------+ | b17e0565- | 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 | f6a8ef7c-a102-4191-9047-de60030ebbd8 | | access_type | ip | | access_to | 10.0.0.0/24 | | access_level | rw | | state | queued_to_apply | | id | 9549e2b7-df4b-4038-9678-7315a5962582 | +--------------+--------------------------------------+ # 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 | +--------------------------------------+-------------+-------------+--------------+--------+------------+ | 9549e2b7-df4b-4038-9678-7315a5962582 | 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 = 10.0.0.50:/var/lib/manila/mnt/share-eaa1ee1d-decc-43ea-a8f2-6b14c6fdee69
[root@dlp ~(keystone)]#
ssh 10.0.0.201 root@10.0.0.201's password: Last login: Sun Mar 5 11:45:13 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 10.0.0.50:/var/lib/manila/mnt/share-eaa1ee1d-decc-43ea-a8f2-6b14c6fdee69 /mnt [root@host-192-168-100-5 ~]# df -hT Filesystem Type Size Used Avail Use% Mounted on /dev/mapper/cl-root xfs 8.0G 1021M 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 10.0.0.50:/var/lib/manila/mnt/share-eaa1ee1d-decc-43ea-a8f2-6b14c6fdee69 nfs4 976M 2.5M 907M 1% /mnt |
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