The output of "nova help list" show several arguments as "Admin Only", while they are not.
--ip, --ipv6, --instance-name and --name can be used by regular users.
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Optional arguments:
--reservation-id <reservation-id>
Only return servers that match reservation-id.
--ip <ip-regexp> Search with regular expression match by IP address
(Admin only).
--ip6 <ip6-regexp> Search with regular expression match by IPv6 address
(Admin only).
--name <name-regexp> Search with regular expression match by name
--instance-name <name-regexp>
Search with regular expression match by server name
(Admin only).
--status <status> Search by server status
--flavor <flavor> Search by flavor name or ID
--image <image> Search by image name or ID
--host <hostname> Search servers by hostname to which they are assigned
(Admin only).
--all-tenants [<0|1>]
Display information from all tenants (Admin only).
--tenant [<tenant>] Display information from single tenant (Admin only).
--deleted Only display deleted servers (Admin only).
--fields <fields> Comma-separated list of fields to display. Use the
show command to see which fields are available.
--minimal Get only uuid and name.
This should probably need a blueprint?