Some errors in the rocky version of the official document deployment for OpenStack

Openstack-rocky version of Error
Error 1:
Package download failure, after determining the system source is not a problem, found that Ping does not pass Baidu. Finally, a DNS resolution was added, stating that no DNS was added (/etc/resolv.conf).

Error 2:
As the Admin user, an error occurred while requesting the authentication token, should be a port error, when configured, using 5000, the following command in the test using 35357, so wrong.
[[email protected] ~]# OpenStack--os-auth-url http://controller:35357/v3 \

--os-project-domain-name default--os-user-domain-name default \
--os-project-name Admin-- Os-username Admin Token issue
Password:
Failed to discover available identity versions when contacting Http://contr Oller:35357/v3. Attempting to the parse version from URL.
Unable to establish connection to Http://controller:35357/v3/auth/tokens:HTTPConnectionPool (host= ' controller ', port=35357): Max retries exceeded with URL:/v3/auth/tokens (caused by newconnectionerror (' < Urllib3.connection.HTTPConnection object at 0x7f4266a08490>: Failed to establish a new connection: [Errno 111] Connecti On refused ',))

Error 3:
Create and edit the DEMO-OPENRC file and add the following:
Export Os_project_domain_name=default
Export Os_user_domain_name=default
Export Os_project_name=myproject
Export Os_username=myuser
Export Os_password=myuser_pass
Export Os_auth_url=http://controller:5000/v3
Export os_identity_api_version=3
Export os_image_api_version=2
Replace Demo_pass for the password that you selected for the user in the identity service.
Solution: In the last line, the Demo_pass should be replaced with Myuser_pass.

Error 4:
To create a cell1 cell:

Su-s/bin/sh-c "Nova-manage cell_v2 create_cell--name=cell1--verbose" Nova

109e1d4b-536a-40d0-83c6-5f121b82b650
Solution: This is a one-line command, and the shell thinks it is two lines.

Error 5:
After the compute service is configured, a few services (should be 4) are found on the controller when validating. The workaround is to close the missing service separately and start again.
[[email protected] ~]# OpenStack Compute Service List
+----+----------------+-----------------------+----------+---------+-------+----------------------------+
| ID | Binary | Host | Zone | Status | State | Updated at |
+----+----------------+-----------------------+----------+---------+-------+----------------------------+
| 1 | Nova-conductor | Centos7-c.localdomain | Internal | Enabled | Up | 2018-10-09t14:04:34.000000 |
| 2 | Nova-scheduler | Centos7-c.localdomain | Internal | Enabled | Up | 2018-10-09t14:04:33.000000 |
| 5 | Nova-compute | Centos7-d.localdomain | Nova | Enabled | Up | 2018-10-09t14:04:36.000000 |
+----+----------------+-----------------------+----------+---------+-------+----------------------------+
[Email protected] ~]#

Error 6:
Start a service less in official documents
Start the compute service and configure it to start at system boot time:

Systemctl enable Openstack-nova-api.service \

Openstack-nova-scheduler.service openstack-nova-conductor.service \
Openstack-nova-novncproxy.service

Systemctl start Openstack-nova-api.service \

Openstack-nova-scheduler.service openstack-nova-conductor.service \
Openstack-nova-novncproxy.service

Some errors in the rocky version of the official document deployment for OpenStack