cloud:intro
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cloud:intro [2020/01/17 11:51] – kauffman | cloud:intro [2020/01/17 11:57] – kauffman | ||
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You are free to use the Network called __cloud__, if you don't need your hosts to be L2 isolated from other people, and you would like to proceed directly to creating servers. | You are free to use the Network called __cloud__, if you don't need your hosts to be L2 isolated from other people, and you would like to proceed directly to creating servers. | ||
Using the __cloud__ network cuts down your complexity significantly, | Using the __cloud__ network cuts down your complexity significantly, | ||
- | < | + | |
+ | < | ||
+ | openstack network list | ||
+ | </ | ||
[EDITOR NOTE: This section should be isolated from the main body] | [EDITOR NOTE: This section should be isolated from the main body] | ||
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Should you want to create a network of your own that your hosts will be on, not all of these options are necessary | Should you want to create a network of your own that your hosts will be on, not all of these options are necessary | ||
- | < | + | < |
+ | openstack network create mynet \ | ||
+ | | ||
+ | | ||
+ | | ||
+ | </ | ||
Now create a subnet for your network. This is mandatory for launching instances in the network that you just created. | Now create a subnet for your network. This is mandatory for launching instances in the network that you just created. | ||
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You are now advised that there is no " | You are now advised that there is no " | ||
- | < | + | < |
+ | openstack subnet create | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | </ | ||
After creating your own network and subnet(s), a router is also needed. However, a router is **not** needed if your instances only talk to each other. The router will take the gateway of your subnet automatically, | After creating your own network and subnet(s), a router is also needed. However, a router is **not** needed if your instances only talk to each other. The router will take the gateway of your subnet automatically, | ||
- | < | + | |
- | openstack router add subnet myrouter mysubnet</ | + | < |
+ | openstack router create --enable myrouter | ||
+ | </ | ||
+ | < | ||
+ | openstack router add subnet myrouter mysubnet | ||
+ | </ | ||
With the router created and attached to your own subnet, develop it further. You need to obtain a free IP address on the UC Campus. We call this network __campus37__. The Internet-connected subnet on that network is called __public37__. | With the router created and attached to your own subnet, develop it further. You need to obtain a free IP address on the UC Campus. We call this network __campus37__. The Internet-connected subnet on that network is called __public37__. | ||
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< | < | ||
- | openstack router set myrouter --external-gateway campus37 --enable-snat | + | openstack router set myrouter |
+ | | ||
+ | | ||
</ | </ | ||
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Like other openstack activities, creating a server has __many__ complex options and scenarios. This is a simple and ordinary depiction, creating one server | Like other openstack activities, creating a server has __many__ complex options and scenarios. This is a simple and ordinary depiction, creating one server | ||
- | < | + | |
+ | < | ||
+ | openstack server create | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | </ | ||
The command executed asynchronously, | The command executed asynchronously, | ||
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< | < | ||
openstack server list --name myserver | openstack server list --name myserver | ||
+ | </ | ||
+ | < | ||
openstack server show myserver | openstack server show myserver | ||
</ | </ | ||
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If I learned the security group successfully, | If I learned the security group successfully, | ||
- | < | + | < |
+ | openstack security group rule create | ||
+ | | ||
+ | | ||
+ | | ||
+ | </ | ||
In actual fact, all of the servers you create will be in the same security group. The above was attempting to suggest effective use of the tools, in combination. | In actual fact, all of the servers you create will be in the same security group. The above was attempting to suggest effective use of the tools, in combination. | ||
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You could also use the web interface to access the console, but that's not quite the same. | You could also use the web interface to access the console, but that's not quite the same. | ||
As before, in the Network Gear section, get a campus IP address from our pool. | As before, in the Network Gear section, get a campus IP address from our pool. | ||
- | < | + | |
+ | < | ||
+ | openstack floating ip create | ||
+ | </ | ||
+ | < | ||
openstack server add floating ip myserver 128.135.37.XX | openstack server add floating ip myserver 128.135.37.XX | ||
</ | </ |
/var/lib/dokuwiki/data/pages/cloud/intro.txt · Last modified: 2021/04/15 17:50 by chudler