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package acl
import (
"errors"
"fmt"
"github.com/rackspace/gophercloud"
"github.com/rackspace/gophercloud/pagination"
)
// List is the operation responsible for returning a paginated collection of
// network items that define a load balancer's access list.
func List(client *gophercloud.ServiceClient, lbID int) pagination.Pager {
url := rootURL(client, lbID)
return pagination.NewPager(client, url, func(r pagination.PageResult) pagination.Page {
return AccessListPage{pagination.SinglePageBase(r)}
})
}
// CreateOptsBuilder is the interface responsible for generating the JSON
// for a Create operation.
type CreateOptsBuilder interface {
ToAccessListCreateMap() (map[string]interface{}, error)
}
// CreateOpts is a slice of CreateOpt structs, that allow the user to create
// multiple nodes in a single operation (one node per CreateOpt).
type CreateOpts []CreateOpt
// CreateOpt represents the options to create a single node.
type CreateOpt struct {
// Required - the IP address or CIDR for item to add to access list.
Address string
// Required - the type of the node. Either ALLOW or DENY.
Type Type
}
// ToAccessListCreateMap converts a slice of options into a map that can be
// used for the JSON.
func (opts CreateOpts) ToAccessListCreateMap() (map[string]interface{}, error) {
type itemMap map[string]interface{}
items := []itemMap{}
for k, v := range opts {
if v.Address == "" {
return itemMap{}, fmt.Errorf("Address is a required attribute, none provided for %d CreateOpt element", k)
}
if v.Type != ALLOW && v.Type != DENY {
return itemMap{}, fmt.Errorf("Type must be ALLOW or DENY")
}
item := make(itemMap)
item["address"] = v.Address
item["type"] = v.Type
items = append(items, item)
}
return itemMap{"accessList": items}, nil
}
// Create is the operation responsible for adding network items to the access
// rules for a particular load balancer. If network items already exist, the
// new item will be appended. A single IP address or subnet range is considered
// unique and cannot be duplicated.
func Create(client *gophercloud.ServiceClient, loadBalancerID int, opts CreateOptsBuilder) CreateResult {
var res CreateResult
reqBody, err := opts.ToAccessListCreateMap()
if err != nil {
res.Err = err
return res
}
_, res.Err = client.Post(rootURL(client, loadBalancerID), reqBody, nil, nil)
return res
}
// BulkDelete will delete multiple network items from a load balancer's access
// list in a single operation.
func BulkDelete(c *gophercloud.ServiceClient, loadBalancerID int, itemIDs []int) DeleteResult {
var res DeleteResult
if len(itemIDs) > 10 || len(itemIDs) == 0 {
res.Err = errors.New("You must provide a minimum of 1 and a maximum of 10 item IDs")
return res
}
url := rootURL(c, loadBalancerID)
url += gophercloud.IDSliceToQueryString("id", itemIDs)
_, res.Err = c.Delete(url, nil)
return res
}
// Delete will remove a single network item from a load balancer's access list.
func Delete(c *gophercloud.ServiceClient, lbID, itemID int) DeleteResult {
var res DeleteResult
_, res.Err = c.Delete(resourceURL(c, lbID, itemID), nil)
return res
}
// DeleteAll will delete the entire contents of a load balancer's access list,
// effectively resetting it and allowing all traffic.
func DeleteAll(c *gophercloud.ServiceClient, lbID int) DeleteResult {
var res DeleteResult
_, res.Err = c.Delete(rootURL(c, lbID), nil)
return res
}
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