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OpenStack Liberty : How to use Manila
2015/12/05 |
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How to use OpenStack Shared File System (Manila).
This example shows to install Shared File Systems on the existing environment like follows.
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+----------------------+ | +-----------------------+
| [ Control Node ] | | | [ Network Node ] |
| Keystone |10.0.0.30 | 10.0.0.50| DHCP Agent |
| Glance |------------+------------| L3 Agent |
| Nova API |eth0 | eth0| L2 Agent |
| Neutron Server | | | Metadata Agent |
| Cinder API | | | Cinder Volume |
| Manila API | | | |
+----------------------+ | +-----------------------+
eth0|10.0.0.51
+----------------------+
| [ Compute Node ] |
| Nova Compute |
| L2 Agent |
| Manila Share |
+----------------------+
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| [1] | Download official Manila service image and add it into Glance. |
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[root@dlp ~(keystone)]# wget https://github.com/uglide/manila-image-elements/releases/download/0.1.0/manila-service-image.qcow2 [root@dlp ~(keystone)]# glance image-create --name "manila-service-image" --file manila-service-image.qcow2 --disk-format qcow2 --container-format bare --visibility public +------------------+--------------------------------------+ | Property | Value | +------------------+--------------------------------------+ | checksum | 48a08e746cf0986e2bc32040a9183445 | | container_format | bare | | created_at | 2015-12-05T09:59:16Z | | disk_format | qcow2 | | id | f9afb61c-a5a2-4b8c-b12d-9acefed34a47 | | min_disk | 0 | | min_ram | 0 | | name | manila-service-image | | owner | d625e02b3d394afbad250def2f88fefa | | protected | False | | size | 306577408 | | status | active | | tags | [] | | updated_at | 2015-12-05T09:59:20Z | | virtual_size | None | | visibility | public | +------------------+--------------------------------------+ |
| [2] | Create default share type. |
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[root@dlp ~(keystone)]# manila type-create default_share_type True +-----------+--------------------+------------+------------+-------------------------------------+-------------------------+ | ID | Name | Visibility | is_default | required_extra_specs | optional_extra_specs | +-----------+--------------------+------------+------------+-------------------------------------+-------------------------+ | 95879d85- | default_share_type | public | - | driver_handles_share_servers : True | snapshot_support : True | +-----------+--------------------+------------+------------+-------------------------------------+-------------------------+[root@dlp ~(keystone)]# manila type-list +-----------+--------------------+------------+------------+-------------------------------------+-------------------------+ | ID | Name | Visibility | is_default | required_extra_specs | optional_extra_specs | +-----------+--------------------+------------+------------+-------------------------------------+-------------------------+ | 95879d85- | default_share_type | public | YES | driver_handles_share_servers : True | snapshot_support : True | +-----------+--------------------+------------+------------+-------------------------------------+-------------------------+ |
| [3] | Create share network. |
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[root@dlp ~(keystone)]# neutron net-list +--------------------------------------+---------+-------------------------------------------------------+ | id | name | subnets | +--------------------------------------+---------+-------------------------------------------------------+ | a499df4e-3892-4252-8f89-3e28ce786f58 | ext_net | 42a8be58-f4f9-4176-8fc8-e715621056e6 10.0.0.0/24 | | aeba3fbe-fa14-4660-a7c9-f099a38eccb7 | int_net | 3ee9e9b7-5113-4ef7-ac99-eb21cbcc589c 192.168.100.0/24 | +--------------------------------------+---------+-------------------------------------------------------+
[root@dlp ~(keystone)]#
[root@dlp ~(keystone)]# INT_NET=$(neutron net-list | grep 'int_net' | awk '{print $2}') [root@dlp ~(keystone)]# INT_SUBNET=$(neutron net-list | grep 'int_net' | awk '{print $6}')
manila share-network-create --neutron-net-id $INT_NET --neutron-subnet-id $INT_SUBNET --name manila_share +-------------------+--------------------------------------+ | Property | Value | +-------------------+--------------------------------------+ | name | manila_share | | segmentation_id | None | | created_at | 2015-12-05T09:52:50.077228 | | neutron_subnet_id | 3ee9e9b7-5113-4ef7-ac99-eb21cbcc589c | | updated_at | None | | network_type | None | | neutron_net_id | aeba3fbe-fa14-4660-a7c9-f099a38eccb7 | | ip_version | None | | nova_net_id | None | | cidr | None | | project_id | d625e02b3d394afbad250def2f88fefa | | id | 5ed0d459-3598-4e9f-b094-74296d5c3a9a | | description | None | +-------------------+--------------------------------------+[root@dlp ~(keystone)]# manila share-network-list +--------------------------------------+--------------+ | id | name | +--------------------------------------+--------------+ | 5ed0d459-3598-4e9f-b094-74296d5c3a9a | manila_share | +--------------------------------------+--------------+ |
| [4] | Create NFS share. |
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[root@dlp ~(keystone)]# manila create NFS 1 --name share01 --share-network manila_share
+-----------------------------+--------------------------------------+
| Property | Value |
+-----------------------------+--------------------------------------+
| status | None |
| share_type_name | default_share_type |
| description | None |
| availability_zone | None |
| share_network_id | None |
| export_locations | [] |
| share_server_id | None |
| host | None |
| snapshot_id | None |
| is_public | False |
| task_state | None |
| snapshot_support | True |
| id | 604d862e-3d94-4930-a9d7-9b821912491f |
| size | 1 |
| name | share01 |
| share_type | 95879d85-2f8f-4b07-9e9c-d82b28fba359 |
| created_at | 2015-12-05T10:04:12.520206 |
| export_location | None |
| share_proto | NFS |
| consistency_group_id | None |
| source_cgsnapshot_member_id | None |
| project_id | d625e02b3d394afbad250def2f88fefa |
| metadata | {} |
+-----------------------------+--------------------------------------+
# few minutes later, the Status turns to available [root@dlp ~(keystone)]# manila list +--------------------------------------+---------+------+-------------+-----------+-----------+--------------------------------------+ | ID | Name | Size | Share Proto | Status | Is Public | Share Type | +--------------------------------------+---------+------+-------------+-----------+-----------+--------------------------------------+ | 604d862e-3d94-4930-a9d7-9b821912491f | share01 | 1 | NFS | available | False | 95879d85-2f8f-4b07-9e9c-d82b28fba359 | +--------------------------------------+---------+------+-------------+-----------+-----------+--------------------------------------+ +---------------------------------------------------------------+-----------------------------------------+-------------------+ | Export location | Host | Availability Zone | +---------------------------------------------------------------+-----------------------------------------+-------------------+ | 10.254.0.3:/shares/share-368f94c9-9538-4329-a07a-706c8e2743b6 | node01.srv.world@backend01#backend01 | nova | +---------------------------------------------------------------+-----------------------------------------+-------------------+ |
| [5] | At this point, 10.254.0.0/16 network has been created which is specified in manila.conf on Compute Node, and it's possible to login to Manila service instance from Compute Node like follows. |
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[root@node01 ~]# ip addr
.....
.....
12: tap69cfd8f1-6c: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN
link/ether fa:16:3e:82:42:aa brd ff:ff:ff:ff:ff:ff
inet 10.254.0.4/28 brd 10.254.0.15 scope global tap69cfd8f1-6c
valid_lft forever preferred_lft forever
inet6 fe80::f816:3eff:fe82:42aa/64 scope link
valid_lft forever preferred_lft forever
.....
.....
# login with a user and password which you specified in manila.conf [root@node01 ~]# ssh manila@10.254.0.3
The authenticity of host '10.254.0.3 (10.254.0.3)' can't be established.
ECDSA key fingerprint is cd:ed:df:30:17:05:03:b2:9a:45:74:9c:ca:c1:ae:c6.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '10.254.0.3' (ECDSA) to the list of known hosts.
manila@10.254.0.3's password:
Welcome to Ubuntu 14.04.2 LTS (GNU/Linux 3.13.0-53-generic i686)
* Documentation: https://help.ubuntu.com/
$
$ df -hT Filesystem Type Size Used Avail Use% Mounted on /dev/vda1 ext4 1.1G 689M 332M 68% / none tmpfs 4.0K 0 4.0K 0% /sys/fs/cgroup udev devtmpfs 999M 4.0K 999M 1% /dev tmpfs tmpfs 202M 484K 202M 1% /run none tmpfs 5.0M 0 5.0M 0% /run/lock none tmpfs 1008M 0 1008M 0% /run/shm none tmpfs 100M 0 100M 0% /run/user /dev/vdb ext4 976M 1.3M 908M 1% /shares/share-368f94c9-9538-4329-a07a-706c8e2743b6 |
| [6] | It's OK all, you can use Manila Shared filesystem from anInstance like follows. |
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# allow access rights first [root@dlp ~(keystone)]# manila access-allow share01 ip 192.168.100.0/24 --access-level rw +--------------+--------------------------------------+ | Property | Value | +--------------+--------------------------------------+ | share_id | 604d862e-3d94-4930-a9d7-9b821912491f | | access_type | ip | | access_to | 192.168.100.0/24 | | access_level | rw | | state | new | | id | 9486b8fd-55d9-45e0-9648-0f3cfff52057 | +--------------+--------------------------------------+[root@dlp ~(keystone)]# nova list +-----------+----------+---------+------------+-------------+-----------------------------------+ | ID | Name | Status | Task State | Power State | Networks | +-----------+----------+---------+------------+-------------+-----------------------------------+ | 745ed5bc- | CentOS_7 | SHUTOFF | - | Shutdown | int_net=192.168.100.3, 10.0.0.201 | +-----------+----------+---------+------------+-------------+-----------------------------------+
[root@dlp ~(keystone)]#
nova start CentOS_7 Request to start server CentOS_7 has been accepted.
[root@dlp ~(keystone)]#
[root@host-192-168-100-3 ~]# ssh 10.0.0.201 root@10.0.0.201's password: Last login: Thu Dec 3 21:04:36 2015 from 10.0.0.30 mount -t nfs 10.254.0.3:/shares/share-368f94c9-9538-4329-a07a-706c8e2743b6 /mnt [root@host-192-168-100-3 ~]# df -hT Filesystem Type Size Used Avail Use% Mounted on /dev/mapper/centos-root xfs 8.5G 854M 7.7G 10% / devtmpfs devtmpfs 992M 0 992M 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 497M 102M 396M 21% /boot 10.254.0.3:/shares/share-368f94c9-9538-4329-a07a-706c8e2743b6 nfs4 976M 1.3M 908M 1% /mnt |