1package rules 2 3import ( 4 "github.com/gophercloud/gophercloud" 5 "github.com/gophercloud/gophercloud/pagination" 6) 7 8// Rule represents a firewall rule 9type Rule struct { 10 ID string `json:"id"` 11 Name string `json:"name,omitempty"` 12 Description string `json:"description,omitempty"` 13 Protocol string `json:"protocol"` 14 Action string `json:"action"` 15 IPVersion int `json:"ip_version,omitempty"` 16 SourceIPAddress string `json:"source_ip_address,omitempty"` 17 DestinationIPAddress string `json:"destination_ip_address,omitempty"` 18 SourcePort string `json:"source_port,omitempty"` 19 DestinationPort string `json:"destination_port,omitempty"` 20 Shared bool `json:"shared,omitempty"` 21 Enabled bool `json:"enabled,omitempty"` 22 FirewallPolicyID string `json:"firewall_policy_id"` 23 TenantID string `json:"tenant_id"` 24 ProjectID string `json:"project_id"` 25} 26 27// RulePage is the page returned by a pager when traversing over a 28// collection of firewall rules. 29type RulePage struct { 30 pagination.LinkedPageBase 31} 32 33// NextPageURL is invoked when a paginated collection of firewall rules has 34// reached the end of a page and the pager seeks to traverse over a new one. 35// In order to do this, it needs to construct the next page's URL. 36func (r RulePage) NextPageURL() (string, error) { 37 var s struct { 38 Links []gophercloud.Link `json:"firewall_rules_links"` 39 } 40 err := r.ExtractInto(&s) 41 if err != nil { 42 return "", err 43 } 44 return gophercloud.ExtractNextURL(s.Links) 45} 46 47// IsEmpty checks whether a RulePage struct is empty. 48func (r RulePage) IsEmpty() (bool, error) { 49 is, err := ExtractRules(r) 50 return len(is) == 0, err 51} 52 53// ExtractRules accepts a Page struct, specifically a RouterPage struct, 54// and extracts the elements into a slice of Router structs. In other words, 55// a generic collection is mapped into a relevant slice. 56func ExtractRules(r pagination.Page) ([]Rule, error) { 57 var s struct { 58 Rules []Rule `json:"firewall_rules"` 59 } 60 err := (r.(RulePage)).ExtractInto(&s) 61 return s.Rules, err 62} 63 64type commonResult struct { 65 gophercloud.Result 66} 67 68// Extract is a function that accepts a result and extracts a firewall rule. 69func (r commonResult) Extract() (*Rule, error) { 70 var s struct { 71 Rule *Rule `json:"firewall_rule"` 72 } 73 err := r.ExtractInto(&s) 74 return s.Rule, err 75} 76 77// GetResult represents the result of a get operation. 78type GetResult struct { 79 commonResult 80} 81 82// UpdateResult represents the result of an update operation. 83type UpdateResult struct { 84 commonResult 85} 86 87// DeleteResult represents the result of a delete operation. 88type DeleteResult struct { 89 gophercloud.ErrResult 90} 91 92// CreateResult represents the result of a create operation. 93type CreateResult struct { 94 commonResult 95} 96