Openstack / List All Ports
List All Ports
List all ports in the OpenStack project.
openstack port list openstack port list #!/bin/bash
# List All Ports
openstack port list import subprocess
# List All Ports
# Make sure to replace <placeholders> with actual values
def run_command():
cmd = [
"openstack",
"port",
"list"
]
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 routine network audit to check port availability across instances.
Pro Tip
Use `--format json` for a machine-readable format to pipe into scripts.
Anatomy of Output
Understanding the result
+--------------------------------------+------+------------------------------------+-------------------+-----------+------------------------------------+ Output Header Column headers for port properties.
| ID | Name | Network ID | MAC Address | Status | Device ID | Column Details Shows ID, name, network ID, MAC address, port status, and connected device.
| 12345678-abcd-ef00-1111-223344556677 | test-port | 87654321-dcba-9876-5432-abcdef012345 | 02:42:ac:11:00:02 | ACTIVE | None | Port Entry An example entry showing active status and unassigned device.
Power User Variants
Optimized versions
openstack port list --sort-key created Sort ports by creation date.
openstack port list --format yaml Output in YAML format for compatibility with Ansible.
Troubleshooting
Common pitfalls
No service available
Solution: Ensure that the OpenStack Networking (Neutron) service is running.
Unauthorized (HTTP 401)
Solution: Check your OpenStack credentials and ensure proper permissions.
Invalid input
Solution: Verify that the project context is set correctly using `--project <project_id>`.
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.
Alternative Approaches
Comparable commands in other tools
Alternative networking tools for the same job.
dnsmasq --version Curl / Send Form Encoded Data curl -X POST -d '<name=bob>' {http://example.com/form} Openvpn / Connect To Host With Same Static Key sudo openvpn --remote <bob.example.com> --dev <tun1> --ifconfig <10.4.0.2> <10.4.0.1> --secret <path/to/key> Ifconfig / Convert Command Output To Json Via Pipe <ifconfig> | jc <--ifconfig> Jc / Convert Command Output To Json Via Magic Syntax jc <ifconfig>