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package rules
import (
"github.com/mitchellh/mapstructure"
"github.com/rackspace/gophercloud"
"github.com/rackspace/gophercloud/pagination"
)
// Rule represents a firewall rule
type Rule struct {
ID string `json:"id" mapstructure:"id"`
Name string `json:"name,omitempty" mapstructure:"name"`
Description string `json:"description,omitempty" mapstructure:"description"`
Protocol string `json:"protocol" mapstructure:"protocol"`
Action string `json:"action" mapstructure:"action"`
IPVersion int `json:"ip_version,omitempty" mapstructure:"ip_version"`
SourceIPAddress string `json:"source_ip_address,omitempty" mapstructure:"source_ip_address"`
DestinationIPAddress string `json:"destination_ip_address,omitempty" mapstructure:"destination_ip_address"`
SourcePort string `json:"source_port,omitempty" mapstructure:"source_port"`
DestinationPort string `json:"destination_port,omitempty" mapstructure:"destination_port"`
Shared bool `json:"shared,omitempty" mapstructure:"shared"`
Enabled bool `json:"enabled,omitempty" mapstructure:"enabled"`
PolicyID string `json:"firewall_policy_id" mapstructure:"firewall_policy_id"`
Position int `json:"position" mapstructure:"position"`
TenantID string `json:"tenant_id" mapstructure:"tenant_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 (p RulePage) NextPageURL() (string, error) {
type resp struct {
Links []gophercloud.Link `mapstructure:"firewall_rules_links"`
}
var r resp
err := mapstructure.Decode(p.Body, &r)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(r.Links)
}
// IsEmpty checks whether a RulePage struct is empty.
func (p RulePage) IsEmpty() (bool, error) {
is, err := ExtractRules(p)
if err != nil {
return true, nil
}
return len(is) == 0, nil
}
// ExtractRules accepts a Page struct, specifically a RouterPage struct,
// and extracts the elements into a slice of Router structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractRules(page pagination.Page) ([]Rule, error) {
var resp struct {
Rules []Rule `mapstructure:"firewall_rules" json:"firewall_rules"`
}
err := mapstructure.Decode(page.(RulePage).Body, &resp)
return resp.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) {
if r.Err != nil {
return nil, r.Err
}
var res struct {
Rule *Rule `json:"firewall_rule" mapstructure:"firewall_rule"`
}
err := mapstructure.Decode(r.Body, &res)
return res.Rule, err
}
// GetResult represents the result of a get operation.
type GetResult struct {
commonResult
}
// UpdateResult represents the result of an update operation.
type UpdateResult struct {
commonResult
}
// DeleteResult represents the result of a delete operation.
type DeleteResult struct {
gophercloud.ErrResult
}
// CreateResult represents the result of a create operation.
type CreateResult struct {
commonResult
}
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