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package groups
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/security/rules"
"github.com/gophercloud/gophercloud/pagination"
)
// SecGroup represents a container for security group rules.
type SecGroup struct {
// The UUID for the security group.
ID string
// Human-readable name for the security group. Might not be unique.
// Cannot be named "default" as that is automatically created for a tenant.
Name string
// The security group description.
Description string
// A slice of security group rules that dictate the permitted behaviour for
// traffic entering and leaving the group.
Rules []rules.SecGroupRule `json:"security_group_rules"`
// TenantID is the project owner of the security group.
TenantID string `json:"tenant_id"`
// ProjectID is the project owner of the security group.
ProjectID string `json:"project_id"`
}
// SecGroupPage is the page returned by a pager when traversing over a
// collection of security groups.
type SecGroupPage struct {
pagination.LinkedPageBase
}
// NextPageURL is invoked when a paginated collection of security groups 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 SecGroupPage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"security_groups_links"`
}
err := r.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
// IsEmpty checks whether a SecGroupPage struct is empty.
func (r SecGroupPage) IsEmpty() (bool, error) {
is, err := ExtractGroups(r)
return len(is) == 0, err
}
// ExtractGroups accepts a Page struct, specifically a SecGroupPage struct,
// and extracts the elements into a slice of SecGroup structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractGroups(r pagination.Page) ([]SecGroup, error) {
var s struct {
SecGroups []SecGroup `json:"security_groups"`
}
err := (r.(SecGroupPage)).ExtractInto(&s)
return s.SecGroups, err
}
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a security group.
func (r commonResult) Extract() (*SecGroup, error) {
var s struct {
SecGroup *SecGroup `json:"security_group"`
}
err := r.ExtractInto(&s)
return s.SecGroup, err
}
// CreateResult represents the result of a create operation. Call its Extract
// method to interpret it as a SecGroup.
type CreateResult struct {
commonResult
}
// UpdateResult represents the result of an update operation. Call its Extract
// method to interpret it as a SecGroup.
type UpdateResult struct {
commonResult
}
// GetResult represents the result of a get operation. Call its Extract
// method to interpret it as a SecGroup.
type GetResult 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
}
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