openstackcreatevm步驟-創(chuàng)新互聯(lián)

一、查看信息

站在用戶的角度思考問(wèn)題，與客戶深入溝通，找到大安市網(wǎng)站設(shè)計(jì)與大安市網(wǎng)站推廣的解決方案，憑借多年的經(jīng)驗(yàn)，讓設(shè)計(jì)與互聯(lián)網(wǎng)技術(shù)結(jié)合，創(chuàng)造個(gè)性化、用戶體驗(yàn)好的作品，建站類型包括：成都網(wǎng)站設(shè)計(jì)、網(wǎng)站制作、企業(yè)官網(wǎng)、英文網(wǎng)站、手機(jī)端網(wǎng)站、網(wǎng)站推廣、域名申請(qǐng)、虛擬空間、企業(yè)郵箱。業(yè)務(wù)覆蓋大安市地區(qū)。

1)鑒權(quán)

[root@rong ~]# cat keystonerc_admin 
unset OS_SERVICE_TOKEN
   export OS_USERNAME=admin
   export OS_PASSWORD='8d07f364025d414e'
   export OS_REGION_NAME=RegionOne
   export OS_AUTH_URL=http://192.168.222.128:5000/v3
   export PS1='[\u@\h \W(keystone_admin)]\$ '

export OS_PROJECT_NAME=admin
export OS_USER_DOMAIN_NAME=Default
export OS_PROJECT_DOMAIN_NAME=Default
export OS_IDENTITY_API_VERSION=3
   [root@rong ~]# source keystonerc_admin 
[root@rong ~(keystone_admin)]#

openstack create vm步驟
2)查看規(guī)格，下列規(guī)格是默認(rèn)有的

[root@rong ~(keystone_admin)]# openstack flavor list
+----+-----------+-------+------+-----------+-------+-----------+
| ID | Name    |  RAM | Disk | Ephemeral | VCPUs | Is Public |
+----+-----------+-------+------+-----------+-------+-----------+
| 1  | m1.tiny  |  512 |   1 |     0 |   1 | True    |
| 2  | m1.small  |  2048 |  20 |     0 |   1 | True    |
| 3  | m1.medium |  4096 |  40 |     0 |   2 | True    |
| 4  | m1.large  |  8192 |  80 |     0 |   4 | True    |
| 5  | m1.xlarge | 16384 |  160 |     0 |   8 | True    |
+----+-----------+-------+------+-----------+-------+-----------+
[root@rong ~(keystone_admin)]#

openstack create vm步驟
3)查看鏡像

[root@rong ~(keystone_admin)]# openstack image list
+--------------------------------------+-----------+--------+
| ID                  | Name    | Status |
+--------------------------------------+-----------+--------+
| fd04d446-f1cb-4aa8-9f72-f414a71faefc | cirros   | active |
| 587655c8-87ea-4c3f-bdba-41a763667d57 | cirrosnew | active |
+--------------------------------------+-----------+--------+

openstack create vm步驟
由于默認(rèn)的鏡像大小不對(duì)，創(chuàng)建虛擬機(jī)會(huì)報(bào)錯(cuò)，這里上傳了新的鏡像，具體操作請(qǐng)看“故障處理”。
4)查看網(wǎng)絡(luò)

[root@rong ~(keystone_admin)]# openstack network list
+--------------------------------------+---------+--------------------------------------+
| ID                  | Name   | Subnets                |
+--------------------------------------+---------+--------------------------------------+
| 573ad869-aa73-4c8c-a57c-033590c4f8f1 | private | 1f5a428e-e7f4-430b-9bdd-adedf2692d5b |
| 6aa84627-9631-4c2c-8549-2fc7880d8d18 | public  | ae58274e-eaf3-467f-adc1-dec7b39a3084 |
+--------------------------------------+---------+--------------------------------------+

openstack create vm步驟
二、創(chuàng)建虛擬機(jī)
1)通過(guò)openstack界面創(chuàng)建
openstack create vm步驟

openstack create vm步驟

openstack create vm步驟
2)查看虛擬機(jī)
openstack create vm步驟

3)通過(guò)VNC進(jìn)入虛擬機(jī)操作系統(tǒng)
openstack create vm步驟

openstack create vm步驟

三、故障排除
1)OpenStack報(bào)錯(cuò):Host is not mapped to any cell
通過(guò)命令創(chuàng)建虛擬機(jī)報(bào)錯(cuò)：Host is not mapped to any cell，通過(guò)執(zhí)行nova-manage cell_v2 discover_hosts --verbose后，可以創(chuàng)建虛擬機(jī)。
參考：https://blog.51cto.com/3241766/2328408
2)openstack vnc報(bào)錯(cuò)：failed to connect to server (code: 1006)
在vmware中使用火狐登陸openstack，通過(guò)VNC登陸，報(bào)錯(cuò)failed to connect to server (code: 1006)，通過(guò)在/etc/hosts中添加主機(jī)名和IP地址解析后，可以打開(kāi)VNC。
參考：https://blog.51cto.com/01000/1926756
3)默認(rèn)的cirror鏡像有問(wèn)題導(dǎo)致創(chuàng)建虛擬機(jī)報(bào)錯(cuò)
故障排除思路：剛開(kāi)始通過(guò)命令創(chuàng)建虛擬機(jī)可以運(yùn)行，但通過(guò)界面創(chuàng)建虛擬機(jī)報(bào)did not finish being created even after we waited 22 seconds的錯(cuò)誤，查看磁盤(pán)也是錯(cuò)誤的，還以為cinder沒(méi)配置好，但單獨(dú)創(chuàng)建磁盤(pán)又是正常的，再看了cinder的日志，發(fā)現(xiàn)lvm': Image is not in qcow2 format，查看默認(rèn)的鏡像，發(fā)現(xiàn)鏡像只有4k，而cirros正常應(yīng)該是13M左右，于是上傳新的cirros，再次創(chuàng)建虛擬機(jī)，問(wèn)題解決。

grep ERROR /var/log/nova/nova-compute.log
2020-03-07 01:08:45.770 39342 ERROR nova.compute.manager [req-bb578158-d197-49c6-b175-3aea0c9c5dad 25fccd945563495ba21acd0abea6fdbe 7f63d6be4a7c446a831f4a4d0bcc8201 - default default] [instance: e4234603-8aee-45f2-90ac-948761dd5b2a] Build of instance e4234603-8aee-45f2-90ac-948761dd5b2a aborted: Volume 3c39cc33-dd25-4eef-bd1c-b51dc9caa724 did not finish being created even after we waited 22 seconds or 7 attempts. And its status is error.: BuildAbortException: Build of instance e4234603-8aee-45f2-90ac-948761dd5b2a aborted: Volume 3c39cc33-dd25-4eef-bd1c-b51dc9caa724 did not finish being created even after we waited 22 seconds or 7 attempts. And its status is error.
 grep ERROR /var/log/cinder/volume.log
2020-03-07 01:20:43.686 4216 ERROR cinder.volume.flows.manager.create_volume [req-2bdb180a-5236-4c78-b9f9-45a55dae1784 25fccd945563495ba21acd0abea6fdbe 7f63d6be4a7c446a831f4a4d0bcc8201 - default default] Volume 8a015ea9-b34a-47a8-86b7-f40721b279cd: create failed
2020-03-07 01:20:43.708 4216 ERROR oslo_messaging.rpc.server [req-2bdb180a-5236-4c78-b9f9-45a55dae1784 25fccd945563495ba21acd0abea6fdbe 7f63d6be4a7c446a831f4a4d0bcc8201 - default default] Exception during message handling: ImageCopyFailure: Failed to copy image to volume: qemu-img: Could not open '/var/lib/cinder/conversion/tmpx_Egn4rong@lvm': Image is not in qcow2 format

通過(guò)winscp上傳新鏡像cirros-0.4.0-x86_64-disk.img：
openstack create vm步驟
通過(guò)命令上傳：

openstack image create "cirrosnew" \
--file cirros-0.3.5-x86_64-disk.img \
--disk-format qcow2 --container-format bare \
--public
[root@rong ~(keystone_admin)]# openstack image show cirrosnew
+------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field       | Value                                                                                            |
+------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| checksum     | 443b7623e27ecf03dc9e01ee93f67afe                                                                              |
| container_format | bare                                                                                            |
| created_at    | 2020-03-07T10:11:31Z                                                                                    |
| disk_format    | qcow2                                                                                            |
| file       | /v2/images/587655c8-87ea-4c3f-bdba-41a763667d57/file                                                                    |
| id        | 587655c8-87ea-4c3f-bdba-41a763667d57                                                                            |
| min_disk     | 0                                                                                              |
| min_ram      | 0                                                                                              |
| name       | cirrosnew                                                                                          |
| owner       | 7f63d6be4a7c446a831f4a4d0bcc8201                                                                              |
| properties    | os_hash_algo='sha512', os_hash_value='6513f21e44aa3da349f248188a44bc304a3653a04122d8fb4535423c8e1d14cd6a153f735bb0982e2161b5b5186106570c17a9e58b64dd39390617cd5a350f78', os_hidden='False' |
| protected     | False                                                                                            |
| schema      | /v2/schemas/image                                                                                      |
| size       | 12716032                                                                                          |
| status      | active                                                                                           |
| tags       |                                                                                               |
| updated_at    | 2020-03-07T10:11:33Z                                                                                    |
| virtual_size   | None                                                                                            |
| visibility    | public                                                                                           |
+------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
[root@rong ~(keystone_admin)]#

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