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cloud:cli [2020/05/14 14:54] – [Internet Addresses] chudlercloud:cli [2021/04/15 16:17] chudler
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 Use a clouds.yaml file to direct your client. Below is a canonical example, but you __will__ have to modify the variables according to your account. Use a clouds.yaml file to direct your client. Below is a canonical example, but you __will__ have to modify the variables according to your account.
-''$HOME/.config/clouds.yaml''+''$HOME/.config/openstack/clouds.yaml''
 <code> <code>
 clouds: clouds:
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       auth_url: https://overcloud.cs.uchicago.edu:5000       auth_url: https://overcloud.cs.uchicago.edu:5000
       username: "CNetID"       username: "CNetID"
-      password: "sekret"+      password: "sekret" # don't store your credential on our servers
       project_name: "CNetID"       project_name: "CNetID"
       user_domain_name: "CS_LDAP"       user_domain_name: "CS_LDAP"
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     identity_api_version: 3     identity_api_version: 3
 </code> </code>
-The [[ cloud:recipe:coding | Python Examples ]] use the same configuration, please read that document for detailed information about configuration and recommendations. 
  
-You can also download a customized version of this data after you authenticate to the Web Interface (click API Access from the menu and then the button "Download Openstackrc File"). Make sure you read this file carefully in case you want to customize it. Your password is not included in the file by default.+**NOTE** 
 +The problem here is that you are taking risks by storing your University credentials in a file. Instead, you can use the API or [[ https://overcloud.cs.uchicago.edu | web interface ]] to create an Application Credential. For example, 
 + 
 +<code> 
 +openstack application credential create --secret sekret --role member --expiration 2020-10-10:10:10:10 --restricted myapp 
 +</code> 
 + 
 +See the [[ cloud:recipe:coding | Python Examples Document ]] for detailed configuration recommendations. 
 + 
 +=== Download Configuration File === 
 +You can download a customized version of this data after you authenticate to the [[ https://overcloud.cs.uchicago.edu | Web Interface ]]. Click ''API Access'' from the menu and then the button ''Download Openstackrc File''). Make sure you read this file carefully in case you want to customize it. Your password is not included in the file by default. 
 + 
 +For convenience, export the cloud name to your environment. Otherwise, all commands must include the flag ''--os-cloud=openstack'': 
 +<code> 
 +export OS_CLOUD=openstack  
 +</code>
  
 ====== USAGE ====== ====== USAGE ======
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 ====Images==== ====Images====
  
-Images are prebuilt disks that are used to launch instances. They are usually a few GB in size. A copy of the disk image is written into the instance's boot volume just before it starts running.+Images are prebuilt operating systems that are used to launch instances. It is equivalent to a live CD. They are usually a few GB in size. A copy of the disk image is written into the instance's boot volume just before it starts running
 + 
 +There are images that Techstaff provides, some of which are restricted-use. We can build images for you or you can build and upload your own. Our images are generic, bare bones, cloud enabled, popular operating systems, that are a firm foundation for you to customize from. They are often in RAW format, not qcow2, for performance reasons.
  
-There are images that Techstaff provides, some of which are restricted-useWe can build images for you or you can build and upload your own. Our images are generic, bare bones, cloud enabled popular operating systems that are a firm foundation for you to customize from. They are often in RAW format, not qcow2, for performance reasons.+Beware of images that are used internally to provide cloud servicesYou should not usually launch these directly. You do have access to them for the use of a service, and are welcome to customize for advanced usage.
  
 <code>openstack image list</code> <code>openstack image list</code>
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 Openstack can hold a public key in its db, and insert it into instances when told. This is optional (your author does not use this capability) Openstack can hold a public key in its db, and insert it into instances when told. This is optional (your author does not use this capability)
-<code>openstack keypair create --public-key ~/.ssh/id_rsa.pub mykey</code>+<code>openstack keypair create --public-key ~/.ssh/id_ed25519.pub mykey</code>
  
 ==== Flavors ==== ==== Flavors ====
/var/lib/dokuwiki/data/pages/cloud/cli.txt · Last modified: 2021/04/15 16:53 by chudler

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