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package firewalls
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
// Firewall is an OpenStack firewall.
type Firewall struct {
ID string `json:"id"`
Name string `json:"name"`
Description string `json:"description"`
AdminStateUp bool `json:"admin_state_up"`
Status string `json:"status"`
PolicyID string `json:"firewall_policy_id"`
TenantID string `json:"tenant_id"`
ProjectID string `json:"project_id"`
}
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a firewall.
func (r commonResult) Extract() (*Firewall, error) {
var s Firewall
err := r.ExtractInto(&s)
return &s, err
}
func (r commonResult) ExtractInto(v interface{}) error {
return r.Result.ExtractIntoStructPtr(v, "firewall")
}
func ExtractFirewallsInto(r pagination.Page, v interface{}) error {
return r.(FirewallPage).Result.ExtractIntoSlicePtr(v, "firewalls")
}
// FirewallPage is the page returned by a pager when traversing over a
// collection of firewalls.
type FirewallPage struct {
pagination.LinkedPageBase
}
// NextPageURL is invoked when a paginated collection of firewalls has reached
// the end of a page and the pager seeks to traverse over a new one. In order
// to do this, it needs to construct the next page's URL.
func (r FirewallPage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"firewalls_links"`
}
err := r.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
// IsEmpty checks whether a FirewallPage struct is empty.
func (r FirewallPage) IsEmpty() (bool, error) {
is, err := ExtractFirewalls(r)
return len(is) == 0, err
}
// ExtractFirewalls accepts a Page struct, specifically a FirewallPage struct,
// and extracts the elements into a slice of Firewall structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractFirewalls(r pagination.Page) ([]Firewall, error) {
var s []Firewall
err := ExtractFirewallsInto(r, &s)
return s, err
}
// GetResult represents the result of a Get operation. Call its Extract
// method to interpret it as a Firewall.
type GetResult struct {
commonResult
}
// UpdateResult represents the result of an Update operation. Call its Extract
// method to interpret it as a Firewall.
type UpdateResult struct {
commonResult
}
// DeleteResult represents the result of a delete operation. Call its
// ExtractErr method to determine if the operation succeeded or failed.
type DeleteResult struct {
gophercloud.ErrResult
}
// CreateResult represents the result of a Create operation. Call its Extract
// method to interpret it as a Firewall.
type CreateResult struct {
commonResult
}
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