Openstack / List Available Images
List Available Images
List available OpenStack images for deployment.
openstack image list --private openstack image list --private #!/bin/bash
# List Available Images
openstack image list {{--private|--shared|--all}} import subprocess
# List Available Images
# Make sure to replace <placeholders> with actual values
def run_command():
cmd = [
"openstack",
"image",
"list",
"--private"
]
try:
print(f"Executing: {' '.join(cmd)}")
subprocess.run(cmd, check=True)
except subprocess.CalledProcessError as e:
print(f"Error: {e}")
except FileNotFoundError:
print("Error: openstack not found. Please install it first.")
if __name__ == "__main__":
run_command() When To Use
During the provisioning or scaling of instances in OpenStack.
Pro Tip
Using the '--private' flag may incur listing costs based on image visibility settings; ensure necessary permissions are configured.
Anatomy of Output
Understanding the result
+--------------------------------------+---------------------+--------+--------+--------------------------------------+ Image List Header Shows column structure of the image listing.
| f1aa3dad-0d61-4e15-8da0-28558ebac077 | Ubuntu 20.04 | active | 2023-10-10T01:00:00Z | 3c911eac-5253-4e3e-a89b-8b931a944b00 | Sample Image Entry Provides details on each image including ID, name, and status.
Power User Variants
Optimized versions
openstack image list --private Lists only images that are private to your project.
openstack image list --shared Lists only images that are shared across projects.
Troubleshooting
Common pitfalls
No images found.
Solution: Check your tenant/visibility settings, or ensure images exist in your project.
Invalid scope specified.
Solution: Make sure the image scope is one of the allowed options: 'private', 'shared', or 'all'.
Access denied for the resource.
Solution: Verify user permissions and roles for image visibility.
Command Breakdown
What each part is doing
-
openstack - Base Command
- The executable that performs this operation. Here it runs Openstack before the shell applies any redirect operators.
-
--private - private| shared| all
- The value supplied for private| shared| all.
-
--private - Command Option
- Tool-specific option used by this command invocation.
Alternative Approaches
Comparable commands in other tools
Alternative cloud infrastructure tools for the same job.
gcloud compute ssh <user>@<instance> Flyctl / View Status Of Specific Application flyctl status --app <app_name> Aws / Delete Eks Cluster 1608 aws eks delete-cluster --name <cluster_name> Gh / Create Codespace Github Interactively gh cs create Cradle / Submit Elasticsearch Schema cradle elastic map