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package rules
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
// Rule represents a firewall rule.
type Rule struct {
ID string `json:"id"`
Name string `json:"name,omitempty"`
Description string `json:"description,omitempty"`
Protocol string `json:"protocol"`
Action string `json:"action"`
IPVersion int `json:"ip_version,omitempty"`
SourceIPAddress string `json:"source_ip_address,omitempty"`
DestinationIPAddress string `json:"destination_ip_address,omitempty"`
SourcePort string `json:"source_port,omitempty"`
DestinationPort string `json:"destination_port,omitempty"`
Shared bool `json:"shared,omitempty"`
Enabled bool `json:"enabled,omitempty"`
PolicyID string `json:"firewall_policy_id"`
Position int `json:"position"`
TenantID string `json:"tenant_id"`
ProjectID string `json:"project_id"`
}
// RulePage is the page returned by a pager when traversing over a
// collection of firewall rules.
type RulePage struct {
pagination.LinkedPageBase
}
// NextPageURL is invoked when a paginated collection of firewall rules 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 RulePage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"firewall_rules_links"`
}
err := r.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
// IsEmpty checks whether a RulePage struct is empty.
func (r RulePage) IsEmpty() (bool, error) {
is, err := ExtractRules(r)
return len(is) == 0, err
}
// ExtractRules accepts a Page struct, specifically a RulePage struct,
// and extracts the elements into a slice of Rule structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractRules(r pagination.Page) ([]Rule, error) {
var s struct {
Rules []Rule `json:"firewall_rules"`
}
err := (r.(RulePage)).ExtractInto(&s)
return s.Rules, err
}
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a firewall rule.
func (r commonResult) Extract() (*Rule, error) {
var s struct {
Rule *Rule `json:"firewall_rule"`
}
err := r.ExtractInto(&s)
return s.Rule, err
}
// GetResult represents the result of a get operation. Call its Extract method
// to interpret it as a Rule.
type GetResult struct {
commonResult
}
// UpdateResult represents the result of an update operation. Call its Extract
// method to interpret it as a Rule.
type UpdateResult struct {
commonResult
}
// DeleteResult represents the result of a delete operation. Call its ExtractErr
// method to determine if the request 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 Rule.
type CreateResult struct {
commonResult
}
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