Openstack cinder初学入门命令
问题导读
1.如何使用cinder帮助命令？
2.如何查看用户的所有资源？
3. cinder credentials命令的作用是什么？
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cinder命令初学：1、#cinder help 获得帮助信息，列出所有命令。2、# cinder absolute-limits
+-------------------------+-------+
| Name | Value |
+-------------------------+-------+
| maxTotalVolumeGigabytes |1000 |
| maxTotalVolumes | 10|
+-------------------------+-------+ 列出当前用户的所有资源（Print a list of absolute limits for a user），此用户能够用的磁盘总大小为1000G，volume个数最大为10个。3、# cinder create --display_name cin01 10
+---------------------+--------------------------------------+
| Property | Value |
+---------------------+--------------------------------------+
| attachments | [] |
|availability_zone| nova |
| created_at | 2012-12-18T07:03:08.490263 |
| display_description | None |
| display_name | cin01 |
| id | 93b42627-f4db-4e70-8531-5687b30cc32a |
| metadata | {} |
| size | 10 |
| snapshot_id | None |
| status | creating |
| volume_type | None |
+---------------------+--------------------------------------+ 创建一个volume，后还可以接其他参数，如：--volume_type <type_name>。4、# cinder list
+--------------------------------------+-----------+--------------+------+-------------+-------------+
| ID | Status| Display Name | Size | Volume Type | Attached to |
+--------------------------------------+-----------+--------------+------+-------------+-------------+
| 65d23a41-b13f-4345-ab65-918a4b8a6fe6 | available | qt |10| None | |
| 93b42627-f4db-4e70-8531-5687b30cc32a | error | cin01 |10| None | |
+--------------------------------------+-----------+--------------+------+-------------+-------------+ 列出所有的volume（刚刚创建的那个error了T_T。。。。），与cinder没有独立出来之前的 # nova volume-list命令功能相同。5、# cinder delete 93b42627-f4db-4e70-8531-5687b30cc32a # cinder list
+--------------------------------------+-----------+--------------+------+-------------+-------------+
| ID | Status| Display Name | Size | Volume Type | Attached to |
+--------------------------------------+-----------+--------------+------+-------------+-------------+
| 65d23a41-b13f-4345-ab65-918a4b8a6fe6 | available | qt |10| None | |
+--------------------------------------+-----------+--------------+------+-------------+-------------+ 删除一个volume，#cinder delete <volume_id or volume_name>,与cinder没有独立出来之前的 # nova volume-delete <volume_id or volume_name>命令功能相同。6、# cinder credentials 帮助里的解释是：“Discover endpoints that get returned from the authenticate services.”，这条命令的具体用途我不是很清楚，但是看列出来的类容，是将openstack的几个独立模块的authority信息给列出来了。
+------------------+----------------------------------------------------------------------------------------+
| User Credentials | Value |
+------------------+----------------------------------------------------------------------------------------+
| id | 2f98c94b6e2149c984a09c738ef815da |
| name | admin |
| roles | [{u'name': u'admin'}, {u'name': u'KeystoneServiceAdmin'}, {u'name': u'KeystoneAdmin'}] |
| roles_links | [] |
| username | admin |
+------------------+----------------------------------------------------------------------------------------+
+---------+---------------------------------------------------------------------------------------------------------+
|Token| Value |
+---------+---------------------------------------------------------------------------------------------------------+
| expires | 2012-12-19T07:14:14Z |
| id | 17d0550c8e154e439a61051505237328 |
|tenant | {u'enabled': True, u'id': u'74b0e15f70414b7ea8c43a08ba3211f1', u'name': u'admin', u'description': None} |
+---------+---------------------------------------------------------------------------------------------------------+ 列出当前用户的keystone认证信息。7、# cinder show65d23a41-b13f-4345-ab65-918a4b8a6fe6
+---------------------+--------------------------------------+
| Property | Value |
+---------------------+--------------------------------------+
| attachments | [] |
|availability_zone| nova |
| created_at | 2012-12-18T06:21:45.000000 |
| display_description | None |
| display_name | qt |
| id | 65d23a41-b13f-4345-ab65-918a4b8a6fe6 |
| metadata | {} |
| size | 10 |
| snapshot_id | None |
| status | available |
| volume_type | None |
+---------------------+--------------------------------------+ 显示出指定volume的详细信息，与与cinder没有独立出来之前的 # nova volume-show <volume_id or volume_name>命令功能相同。8、# cinder snapshot-create --display_name qt-snap 65d23a41-b13f-4345-ab65-918a4b8a6fe6
+---------------------+--------------------------------------+
| Property | Value |
+---------------------+--------------------------------------+
| created_at | 2012-12-18T07:33:36.105541 |
| display_description | None |
| display_name | qt-snap |
| id | e95506af-2bc6-48ea-a218-8e8c943262c7 |
| size | 10 |
| status | creating |
| volume_id | 65d23a41-b13f-4345-ab65-918a4b8a6fe6 |
+---------------------+--------------------------------------+ 创建 一个volume快照。9、# cinder snapshot-list
+--------------------------------------+--------------------------------------+--------+--------------+------+
| ID | Volume ID | Status | Display Name | Size |
+--------------------------------------+--------------------------------------+--------+--------------+------+
| e95506af-2bc6-48ea-a218-8e8c943262c7 | 65d23a41-b13f-4345-ab65-918a4b8a6fe6 | error| qt-snap |10|
+--------------------------------------+--------------------------------------+--------+--------------+------+ 列出volume快照。10、# cinder snapshot-show e95506af-2bc6-48ea-a218-8e8c943262c7
+--------------------------------------------+--------------------------------------+
| Property | Value |
+--------------------------------------------+--------------------------------------+
| created_at | 2012-12-18T07:33:36.000000 |
| display_description | None |
| display_name | qt-snap |
| id | e95506af-2bc6-48ea-a218-8e8c943262c7 |
|os-extended-snapshot-attributes:progress| 0% |
| os-extended-snapshot-attributes:project_id | 74b0e15f70414b7ea8c43a08ba3211f1 |
| size | 10 |
| status | error |
| volume_id | 65d23a41-b13f-4345-ab65-918a4b8a6fe6 |
+--------------------------------------------+--------------------------------------+ 列出快照的详细信息。11、# cinder snapshot-delete e95506af-2bc6-48ea-a218-8e8c943262c7
# cinder snapshot-list
# 删除一个volume快照。12、# cinder type-create AP
+----+------+
| ID | Name |
+----+------+
| 1 |AP |
+----+------+ 创建一个volume类型，这样在创建volume的时候就可以加上类型： # cinder create --display_name ss --volume_type AP 2
+---------------------+--------------------------------------+
| Property | Value |
+---------------------+--------------------------------------+
| attachments | [] |
|availability_zone| nova |
| created_at | 2012-12-18T07:51:30.034858 |
| display_description | None |
| display_name | ss |
| id | b2ea409b-3b4d-44bb-8b4c-0d5ef6200985 |
| metadata | {} |
| size | 2 |
| snapshot_id | None |
| status | creating |
| volume_type | 1 |
+---------------------+--------------------------------------+
# cinder list
+--------------------------------------+-----------+--------------+------+-------------+-------------+
| ID | Status| Display Name | Size | Volume Type | Attached to |
+--------------------------------------+-----------+--------------+------+-------------+-------------+
| 65d23a41-b13f-4345-ab65-918a4b8a6fe6 | available | qt |10| None | |
| b2ea409b-3b4d-44bb-8b4c-0d5ef6200985 | available | ss |2 | AP | |
+--------------------------------------+-----------+--------------+------+-------------+-------------+13、# cinder type-list
+----+------+
| ID | Name |
+----+------+
| 1|AP|
+----+------+ 列出所有的volume type。14、# cinder type-delete 1
# cinder type-list
# 删除指定的volume type。不知道是什么原因，之前在测试创建有类型的volume时，--volume_type后只能接type的名字，而在删除type时，只能接type的ID。另外，cinder还有几个关于quato的命令，目前没有研究有什么作用，待进一步学习。
如何让可以volume变成只读的模式
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