Ubuntu 16.04
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OpenStack Queens : How to use Manila#2
2018/03/15
 
This is How to use OpenStack Shared File System (Manila).
This example is based on the emvironment like follows.
For example, Configure Manila share to use a designed instance.
------------+---------------------------+---------------------------+------------
            |                           |                           |
        eth0|10.0.0.30              eth0|10.0.0.50              eth0|10.0.0.51
+-----------+-----------+   +-----------+-----------+   +-----------+-----------+
|    [ Control Node ]   |   |    [ Storage Node ]   |   |    [ Compute Node ]   |
|                       |   |                       |   |                       |
|  MariaDB    RabbitMQ  |   |     Cinder-Volume     |   |        Libvirt        |
|  Memcached  httpd     |   |        L2 Agent       |   |     Nova Compute      |
|  Keystone   Glance    |   |        L3 Agent       |   |        L2 Agent       |
|  Nova API  Cinder API |   |     Metadata Agent    |   |                       |
|  Neutron Server       |   |      Manila Share     |   |                       |
|  Metadata Agent       |   |                       |   |                       |
|  Manila API           |   |                       |   |                       |
+-----------------------+   +-----------------------+   +-----------------------+

[1]
[2] Configure Storage Node.
root@storage:~#
vi /etc/manila/manila.conf
# add follows into [DEFAULT] section

enabled_share_backends = generic

# add follows to the end
[neutron]
url = http://10.0.0.30:9696
auth_url = http://10.0.0.30:5000
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_url = http://10.0.0.30:5000
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_url = http://10.0.0.30:5000
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 = 0
service_instance_security_group = manila-service
service_image_name = manila-service-image
service_instance_user = manila
service_instance_password = manila
interface_driver = manila.network.linux.interface.BridgeInterfaceDriver

root@storage:~#
systemctl restart manila-share

[3] Download official Manila designed image and add it to Glance. And more, create a security group for Manila Service.
root@dlp ~(keystone)#
wget 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         | 529eb4279ca523edba8dc1bb23529b31                     |
| container_format | bare                                                 |
| created_at       | 2018-03-16T05:16:05Z                                 |
| disk_format      | qcow2                                                |
| file             | /v2/images/19ef1901-b9f8-4695-b127-7c01503a14fe/file |
| id               | 19ef1901-b9f8-4695-b127-7c01503a14fe                 |
| min_disk         | 0                                                    |
| min_ram          | 0                                                    |
| name             | manila-service-image                                 |
| owner            | 1ab4e37f25d14d4d8e8f5745c53bc885                     |
| protected        | False                                                |
| schema           | /v2/schemas/image                                    |
| size             | 338506752                                            |
| status           | active                                               |
| tags             |                                                      |
| updated_at       | 2018-03-16T05:16:07Z                                 |
| virtual_size     | None                                                 |
| visibility       | public                                               |
+------------------+------------------------------------------------------+

root@dlp ~(keystone)#
openstack security group create manila-service

+-----------------+------------------------------------------------------------------------------+
| Field           | Value                                                                        |
+-----------------+------------------------------------------------------------------------------+
| created_at      | 2018-03-16T05:16:26Z                                                         |
| description     | manila-service                                                               |
| id              | e6964efb-42e3-4ae6-b7c0-0a0428f147ed                                         |
| name            | manila-service                                                               |
| project_id      | 1ab4e37f25d14d4d8e8f5745c53bc885                                             |
| revision_number | 2                                                                            |
| rules           | created_at='2018-03-16T05:16:26Z', direction='egress', ethertype='IPv4',...' |
|                 | created_at='2018-03-16T05:16:26Z', direction='egress', ethertype='IPv6',...' |
| updated_at      | 2018-03-16T05:16:26Z                                                         |
+-----------------+------------------------------------------------------------------------------+
[4] Create default share type.
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                   | 1a2f9c94-0dbb-422e-98dc-39365a1c0857 |
| optional_extra_specs |                                      |
| Description          | None                                 |
+----------------------+--------------------------------------+

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

+-----------+--------------------+------------+------------+-------------------------------------+--------+
| ID        | Name               | visibility | is_default | required_extra_specs                | opt... |
+-----------+--------------------+------------+------------+-------------------------------------+--------+
| 1a2f9c94- | default_share_type | public     | YES        | driver_handles_share_servers : True |        |
+-----------+--------------------+------------+------------+-------------------------------------+--------+
[5] Login as a common user you'd like to use Manila Share and Create shared network.
ubuntu@dlp ~(keystone)$
openstack network list

+--------------------------------------+---------+--------------------------------------+
| ID                                   | Name    | Subnets                              |
+--------------------------------------+---------+--------------------------------------+
| 13a8c6d1-bb29-4aa1-b698-31630852cb87 | ext_net | 655fa742-2e84-4539-8d15-c008f1e4331e |
| 40e03738-cd4b-49b4-9e64-fabcaac64dd5 | int_net | 9fdf51fe-31a9-4f89-8e33-6e3c00a37002 |
+--------------------------------------+---------+--------------------------------------+

ubuntu@dlp ~(keystone)$
openstack subnet list

+--------------------------------------+---------+--------------------------------------+------------------+
| ID                                   | Name    | Network                              | Subnet           |
+--------------------------------------+---------+--------------------------------------+------------------+
| 9fdf51fe-31a9-4f89-8e33-6e3c00a37002 | subnet1 | 40e03738-cd4b-49b4-9e64-fabcaac64dd5 | 192.168.100.0/24 |
+--------------------------------------+---------+--------------------------------------+------------------+

ubuntu@dlp ~(keystone)$
INT_NET=$(openstack network list | grep 'int_net' | awk '{print $2}')

ubuntu@dlp ~(keystone)$
INT_SUBNET=$(openstack subnet list | grep 'subnet1' | awk '{print $2}')
ubuntu@dlp ~(keystone)$
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        | 2018-03-16T05:19:44.441149           |
| neutron_subnet_id | 9fdf51fe-31a9-4f89-8e33-6e3c00a37002 |
| updated_at        | None                                 |
| mtu               | None                                 |
| gateway           | None                                 |
| neutron_net_id    | 40e03738-cd4b-49b4-9e64-fabcaac64dd5 |
| ip_version        | None                                 |
| cidr              | None                                 |
| project_id        | 142ba5a5d91c4148a4caa9227e05b504     |
| id                | 5ea4ce5f-c461-4c5c-8ee2-dddce9b5b893 |
| description       | None                                 |
+-------------------+--------------------------------------+

ubuntu@dlp ~(keystone)$
manila share-network-list

+--------------------------------------+--------------+
| id                                   | name         |
+--------------------------------------+--------------+
| 5ea4ce5f-c461-4c5c-8ee2-dddce9b5b893 | manila_share |
+--------------------------------------+--------------+
[6] Create NFS share.
ubuntu@dlp ~(keystone)$
manila create NFS 5 --name share01 --share-network manila_share

+---------------------------------------+--------------------------------------+
| Property                              | Value                                |
+---------------------------------------+--------------------------------------+
| status                                | creating                             |
| share_type_name                       | default_share_type                   |
| description                           | None                                 |
| availability_zone                     | None                                 |
| share_network_id                      | 5ea4ce5f-c461-4c5c-8ee2-dddce9b5b893 |
| share_group_id                        | None                                 |
| 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                                    | 27da52ae-0aa0-46b7-b83a-45440dc10b37 |
| size                                  | 5                                    |
| source_share_group_snapshot_member_id | None                                 |
| user_id                               | b7b1b4b96b714e458690dd893fbbe5f5     |
| name                                  | share01                              |
| share_type                            | 1a2f9c94-0dbb-422e-98dc-39365a1c0857 |
| has_replicas                          | False                                |
| replication_type                      | None                                 |
| created_at                            | 2018-03-16T05:20:34.000000           |
| share_proto                           | NFS                                  |
| mount_snapshot_support                | False                                |
| project_id                            | 142ba5a5d91c4148a4caa9227e05b504     |
| metadata                              | {}                                   |
+---------------------------------------+--------------------------------------+

# few minutes later, the Status turns to available

ubuntu@dlp ~(keystone)$
manila list

+-----------+---------+------+-------------+-----------+-----------+--------------------+---------+--------+
| ID        | Name    | Size | Share Proto | Status    | Is Public | Share Type Name    | Host    | Avai.. |
+-----------+---------+------+-------------+-----------+-----------+--------------------+---------+--------+
| b5c936cf- | share01 | 5    | NFS         | available | False     | default_share_type | netwo.. | nova   |
+-----------+---------+------+-------------+-----------+-----------+--------------------+---------+--------+
[7] At this point, network for Manila has been created within 10.254.0.0 network on Storage Node.
root@storage:~#
ip addr

.....
.....
18: ns-0963d2bb-78@tap0963d2bb-78: <BROADCAST,MULTICAST,UP,LOWER_UP> 
       mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether fa:16:3e:3d:a1:3b brd ff:ff:ff:ff:ff:ff
    inet 10.254.0.8/28 brd 10.254.0.15 scope global ns-0963d2bb-78
       valid_lft forever preferred_lft forever
    inet6 fe80::f816:3eff:fe3d:a13b/64 scope link
       valid_lft forever preferred_lft forever
.....
.....
[8] It's OK all, you can use Manila Shared filesystem from your own instances like follows.
ubuntu@dlp ~(keystone)$
openstack server list

+-----------+-------------+---------+------------------------------------+------------+----------+
| ID        | Name        | Status  | Networks                           | Image      | Flavor   |
+-----------+-------------+---------+------------------------------------+------------+----------+
| f5ae3046- | Ubuntu_1604 | SHUTOFF | int_net=192.168.100.10, 10.0.0.210 | Ubuntu1604 | m1.small |
+-----------+-------------+---------+------------------------------------+------------+----------+

# allow access rights first

ubuntu@dlp ~(keystone)$
manila access-allow share01 ip 10.0.0.0/24 --access-level rw

+--------------+--------------------------------------+
| Property     | Value                                |
+--------------+--------------------------------------+
| access_key   | None                                 |
| share_id     | b5c936cf-0fed-450f-a17b-4a7e2a56cd74 |
| created_at   | 2017-09-20T08:32:14.000000           |
| updated_at   | None                                 |
| access_type  | ip                                   |
| access_to    | 10.0.0.0/24                          |
| access_level | rw                                   |
| state        | queued_to_apply                      |
| id           | d9f2e371-1ed5-4186-a0cb-ddd3bab4cbe5 |
+--------------+--------------------------------------+

# no ploblem if State turns to active

ubuntu@dlp ~(keystone)$
manila access-list share01

+-----------+-------------+-------------+--------------+--------+------------+--------------+------------+
| id        | access_type | access_to   | access_level | state  | access_key | created_at   | updated_at |
+-----------+-------------+-------------+--------------+--------+------------+--------------+------------+
| d9f2e371- | ip          | 10.0.0.0/24 | rw           | active | None       | 2017-09-2... | None       |
+-----------+-------------+-------------+--------------+--------+------------+--------------+------------+

ubuntu@dlp ~(keystone)$
openstack server start Ubuntu_1604

# confirm access Path

ubuntu@dlp ~(keystone)$
manila show share01 | grep path | cut -d'|' -f3

path = 10.254.0.4:/shares/share-1219c504-da42-4bbc-a450-cc922955bbc7
ubuntu@dlp ~(keystone)$
ssh ubuntu@10.0.0.210

Welcome to Ubuntu 16.04.3 LTS (GNU/Linux 4.4.0-93-generic x86_64)
# mount Manila shared storage

ubuntu@ubuntu-1604:~$
sudo mount -t nfs 10.254.0.4:/shares/share-1219c504-da42-4bbc-a450-cc922955bbc7 /mnt

ubuntu@ubuntu-1604:~$
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
10.254.0.4:/shares/share-1219c504-da... nfs4      976M  1.3M  908M   1% /mnt
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