OpenStack
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Openstack Train "No valid host was found." troubleshootingCloud/Openstack_K8s_Docker 2020. 7. 27. 18:41
1. You get the error message "Failed to schedule instances: NoValidHost_Remote: No valid host was found." in /var/log/nova/nova-conductor.log, when you are installing an instance with image and flavor. 2. If you use Heat orchestration for installation, you get the error message "heat.engine.resource ResourceInError: Went to status ERROR due to "Message: No valid host was found. , Code: 500"" in ..
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Openstack instance access by CLI or PuttyCloud/Openstack_K8s_Docker 2020. 5. 22. 13:03
First of all, test1 has Key Pair(demo1.pem) and test2 does not have Key Pair. 1. Please follow below good link. Point is to extract private key from demo1.pem. github.com/naturalis/openstack-docs/wiki/Howto:-Creating-and-using-OpenStack-SSH-keypairs-on-Windows 1. Put the demo1.pem on the controller node 2. Access by ssh with the pem. 3. Verify Finally you access the created instances. you can 1...
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Openstack instance creation by Horizon UICloud/Openstack_K8s_Docker 2020. 5. 16. 12:14
We have created Openstack external and internal networks and R1 for the connection of two networks. Finally, we are ready to create VMs(instance) on Openstack. 1. Instance creation Project > Compute > Instances > Launch Instance 1.1 Details 1.2 Source 1.3 Flavor 1.4 Networks 1.5 Security Group 1.6 Key Pair > Launch Instance 2. Result you can see like below. Let's create another instance but plea..
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Openstack Tenant Network for a project by Horizon UICloud/Openstack_K8s_Docker 2020. 5. 15. 19:43
We are going to create the tenant (internal) network. We already created one tenant and user for the tenant. if you forgot it, refer to Openstack configuration for a project by Horizon UI 1. Log in as a created user (demo1_user) We cannot see the Admin row bar because this user is a member user for a tenant. This project's name is Demo1. You can see the project name on the top beside of Openstac..
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Openstack Provider Network for a project by Horizon UICloud/Openstack_K8s_Docker 2020. 5. 15. 01:40
In this chapter, we are going to create an External network. A member user in a project can create and modify internal network but only the admin user can create an external network. Now this is a network environment on this current step. we are going to configure the green line network on Openstack, not Linux host. 1. Admin > Network > Networks > Create Network 2. Set Name, Project, Network Typ..
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Openstack configuration for a project by Horizon UICloud/Openstack_K8s_Docker 2020. 5. 14. 17:07
We are going to create one tenant. one tenant is one project. Openstack has an admin project by default. but I will only use the admin project to manage OpenStack Platform. All the projects will be newly created on OpenStack Platform. External = Provider Internal = Tenant(Project) 1. Identity > Projects > Create Project 2. Name : Demo1 > Create Project You can see the created project(tenant) 1. ..
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Openstack Train Installation on Oracle Virtual Box (3)Cloud/Openstack_K8s_Docker 2020. 5. 12. 11:43
After installation, you can check all the network Openstack [root@controller ~]# ovs-vsctl show 4a857211-e1c7-4ca5-b16a-21dd7b05dcf6 Manager "ptcp:6640:127.0.0.1" is_connected: true Bridge br-vlan Controller "tcp:127.0.0.1:6633" is_connected: true fail_mode: secure datapath_type: system Port br-vlan Interface br-vlan type: internal Port "enp0s8" Interface "enp0s8" Port phy-br-vlan Interface phy-..
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Openstack Train Installation on Oracle Virtual Box (2)Cloud/Openstack_K8s_Docker 2020. 5. 11. 22:24
Please produce these steps on only Controller VM. 1. YUM package repository connection [root@Controller ~]# yum install -y centos-release-openstack-train 2. Packstack installation [root@Controller ~]# yum install -y openstack-packstack 3. Openstack CLI [root@controller ~]# yum install -y openstack-utils 4. Generate Answer file of Packstack [root@controller ~]# packstack --gen-answer-file /root/a..