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OpenStack Mitaka : How to use Manila
2016/05/13 |
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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)]# curl -O http://tarballs.openstack.org/manila-image-elements/images/manila-service-image-master.qcow2 [root@dlp ~(keystone)]# glance image-create --name "manila-service-image" --file manila-service-image-master.qcow2 --disk-format qcow2 --container-format bare --visibility public +------------------+--------------------------------------+ | Property | Value | +------------------+--------------------------------------+ | checksum | 2383a1cce8b45083c38a02c1975948e5 | | container_format | bare | | created_at | 2016-05-13T12:12:19Z | | disk_format | qcow2 | | id | f1923aa9-9a28-4092-b9b4-7c28ed63d0d5 | | min_disk | 0 | | min_ram | 0 | | name | manila-service-image | | owner | 7a160aeddebd4e398fd22e6491f10baa | | protected | False | | size | 302120960 | | status | active | | tags | [] | | updated_at | 2016-05-13T12:12:24Z | | virtual_size | None | | visibility | public | +------------------+--------------------------------------+ |
| [2] | Create default share type. |
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[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 | 2a6d88df-6dd1-4a7d-b3a4-537dded778c2 | | optional_extra_specs | snapshot_support : True | +----------------------+--------------------------------------+[root@dlp ~(keystone)]# manila type-list +-----------+--------------------+------------+------------+-------------------------------------+-------------------------+ | ID | Name | visibility | is_default | required_extra_specs | optional_extra_specs | +-----------+--------------------+------------+------------+-------------------------------------+-------------------------+ | 2a6d88df- | default_share_type | public | YES | driver_handles_share_servers : True | snapshot_support : True | +-----------+--------------------+------------+------------+-------------------------------------+-------------------------+ |
| [3] | Create shared network. |
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[root@dlp ~(keystone)]# neutron net-list +--------------------------------------+---------+-------------------------------------------------------+ | id | name | subnets | +--------------------------------------+---------+-------------------------------------------------------+ | 550b379c-90f6-4cff-8063-88167dc7c568 | ext_net | 702832ef-4de5-41ba-9c2c-de2450d15ab0 10.0.0.0/24 | | a8705bd3-c2de-4526-aa7c-2c4605a6edf4 | int_net | f29ee9fd-7bae-40d8-8d4c-a1340092f258 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 | 2016-05-13T12:15:24.950733 | | neutron_subnet_id | f29ee9fd-7bae-40d8-8d4c-a1340092f258 | | updated_at | None | | network_type | None | | neutron_net_id | a8705bd3-c2de-4526-aa7c-2c4605a6edf4 | | ip_version | None | | nova_net_id | None | | cidr | None | | project_id | 7a160aeddebd4e398fd22e6491f10baa | | id | 9bc87475-aa91-40e8-ab10-473273ae393b | | description | None | +-------------------+--------------------------------------+[root@dlp ~(keystone)]# manila share-network-list +--------------------------------------+--------------+ | id | name | +--------------------------------------+--------------+ | 9bc87475-aa91-40e8-ab10-473273ae393b | manila_share | +--------------------------------------+--------------+ |
| [4] | Create NFS shared. |
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[root@dlp ~(keystone)]# manila create NFS 1 --name share01 --share-network manila_share --share-type default_share_type
+-----------------------------+--------------------------------------+
| Property | Value |
+-----------------------------+--------------------------------------+
| status | creating |
| share_type_name | default_share_type |
| description | None |
| availability_zone | None |
| share_network_id | 9bc87475-aa91-40e8-ab10-473273ae393b |
| share_server_id | None |
| host | |
| access_rules_status | active |
| snapshot_id | None |
| is_public | False |
| task_state | None |
| snapshot_support | True |
| id | d3d4e828-0ed5-4bf1-8f3c-2e0eaa975a14 |
| size | 1 |
| name | share01 |
| share_type | 2a6d88df-6dd1-4a7d-b3a4-537dded778c2 |
| has_replicas | False |
| replication_type | None |
| created_at | 2016-05-13T12:26:54.000000 |
| share_proto | NFS |
| consistency_group_id | None |
| source_cgsnapshot_member_id | None |
| project_id | 7a160aeddebd4e398fd22e6491f10baa |
| metadata | {} |
+-----------------------------+--------------------------------------+
# few minutes later, the Status turns to available [root@dlp ~(keystone)]# manila list +-----------+---------+------+-------------+-----------+-----------+--------------------+--------------------------------------+-------------------+ | ID | Name | Size | Share Proto | Status | Is Public | Share Type Name | Host | Availability Zone | +-----------+---------+------+-------------+-----------+-----------+--------------------+--------------------------------------+-------------------+ | d3d4e828- | share01 | 1 | NFS | available | False | default_share_type | 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: tap4b9bdd40-8e: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN
link/ether fa:16:3e:c9:f2:ef brd ff:ff:ff:ff:ff:ff
inet 10.254.0.4/28 brd 10.254.0.15 scope global tap4b9bdd40-8e
valid_lft forever preferred_lft forever
inet6 fe80::f816:3eff:fec9:f2ef/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 49:9c:e4:ed:82:93:fb:ec:37:47:85:e6:28:6f:bd:ac.
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 14.04.4 LTS (GNU/Linux 3.13.0-85-generic i686)
* Documentation: https://help.ubuntu.com/
manila@localhost:~$
manila@localhost:~$ df -hT Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 999M 4.0K 999M 1% /dev tmpfs tmpfs 202M 492K 202M 1% /run /dev/vda1 ext4 1.2G 738M 338M 69% / none tmpfs 4.0K 0 4.0K 0% /sys/fs/cgroup 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-a5d8d0f5-40ac-4c9a-94c8-3b88687d0820 |
| [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 | d3d4e828-0ed5-4bf1-8f3c-2e0eaa975a14 | | access_type | ip | | access_to | 192.168.100.0/24 | | access_level | rw | | state | new | | id | b7aded18-2f55-492d-a225-34c482351888 | +--------------+--------------------------------------+[root@dlp ~(keystone)]# nova list +-----------+----------+---------+------------+-------------+-----------------------------------+ | ID | Name | Status | Task State | Power State | Networks | +-----------+----------+---------+------------+-------------+-----------------------------------+ | 4e232450- | 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: Mon May 9 20:47:50 2016 from 10.0.0.30 mount -t nfs 10.254.0.3:/shares/share-a5d8d0f5-40ac-4c9a-94c8-3b88687d0820 /mnt [root@host-192-168-100-3 ~]# df -hT Filesystem Type Size Used Avail Use% Mounted on /dev/mapper/centos-root xfs 8.5G 929M 7.6G 11% / devtmpfs devtmpfs 991M 0 991M 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 107M 390M 22% /boot tmpfs tmpfs 201M 0 201M 0% /run/user/0 10.254.0.3:/shares/share-a5d8d0f5-40ac-4c9a-94c8-3b88687d0820 nfs4 976M 1.3M 908M 1% /mnt |