openstack/networking/v2/networks/requests.go

package networks

import (
	"github.com/racker/perigee"
	"github.com/rackspace/gophercloud"
	"github.com/rackspace/gophercloud/pagination"
)

// AdminState gives users a solid type to work with for create and update
// operations. It is recommended that users use the `Up` and `Down` enums.
type AdminState *bool

// Convenience vars for AdminStateUp values.
var (
	iTrue  = true
	iFalse = false

	Up   AdminState = &iTrue
	Down AdminState = &iFalse
)

type networkOpts struct {
	AdminStateUp *bool
	Name         string
	Shared       *bool
	TenantID     string
}

// ListOpts allows the filtering and sorting of paginated collections through
// the API. Filtering is achieved by passing in struct field values that map to
// the network attributes you want to see returned. SortKey allows you to sort
// by a particular network attribute. SortDir sets the direction, and is either
// `asc' or `desc'. Marker and Limit are used for pagination.
type ListOpts struct {
	Status       string `q:"status"`
	Name         string `q:"name"`
	AdminStateUp *bool  `q:"admin_state_up"`
	TenantID     string `q:"tenant_id"`
	Shared       *bool  `q:"shared"`
	ID           string `q:"id"`
	Marker       string `q:"marker"`
	Limit        int    `q:"limit"`
	SortKey      string `q:"sort_key"`
	SortDir      string `q:"sort_dir"`
}

// List returns a Pager which allows you to iterate over a collection of
// networks. It accepts a ListOpts struct, which allows you to filter and sort
// the returned collection for greater efficiency.
func List(c *gophercloud.ServiceClient, opts ListOpts) pagination.Pager {
	// Build query parameters
	q, err := gophercloud.BuildQueryString(&opts)
	if err != nil {
		return pagination.Pager{Err: err}
	}
	u := listURL(c) + q.String()
	return pagination.NewPager(c, u, func(r pagination.LastHTTPResponse) pagination.Page {
		return NetworkPage{pagination.LinkedPageBase{LastHTTPResponse: r}}
	})
}

// Get retrieves a specific network based on its unique ID.
func Get(c *gophercloud.ServiceClient, id string) GetResult {
	var res GetResult
	_, res.Err = perigee.Request("GET", getURL(c, id), perigee.Options{
		MoreHeaders: c.Provider.AuthenticatedHeaders(),
		Results:     &res.Resp,
		OkCodes:     []int{200},
	})
	return res
}

// CreateOptsBuilder is the interface options structs have to satisfy in order
// to be used in the main Create operation in this package. Since many
// extensions decorate or modify the common logic, it is useful for them to
// satisfy a basic interface in order for them to be used.
type CreateOptsBuilder interface {
	ToNetworkCreateMap() map[string]map[string]interface{}
}

// CreateOpts is the common options struct used in this package's Create
// operation.
type CreateOpts networkOpts

// ToNetworkCreateMap casts a CreateOpts struct to a map.
func (o CreateOpts) ToNetworkCreateMap() map[string]map[string]interface{} {
	inner := make(map[string]interface{})

	if o.AdminStateUp != nil {
		inner["admin_state_up"] = &o.AdminStateUp
	}
	if o.Name != "" {
		inner["name"] = o.Name
	}
	if o.Shared != nil {
		inner["shared"] = &o.Shared
	}
	if o.TenantID != "" {
		inner["tenant_id"] = o.TenantID
	}

	outer := make(map[string]map[string]interface{})
	outer["network"] = inner

	return outer
}

// Create accepts a CreateOpts struct and creates a new network using the values
// provided. This operation does not actually require a request body, i.e. the
// CreateOpts struct argument can be empty.
//
// The tenant ID that is contained in the URI is the tenant that creates the
// network. An admin user, however, has the option of specifying another tenant
// ID in the CreateOpts struct.
func Create(c *gophercloud.ServiceClient, opts CreateOptsBuilder) CreateResult {
	var res CreateResult

	reqBody := opts.ToNetworkCreateMap()

	// Send request to API
	_, res.Err = perigee.Request("POST", createURL(c), perigee.Options{
		MoreHeaders: c.Provider.AuthenticatedHeaders(),
		ReqBody:     &reqBody,
		Results:     &res.Resp,
		OkCodes:     []int{201},
	})
	return res
}

// UpdateOptsBuilder is the interface options structs have to satisfy in order
// to be used in the main Update operation in this package. Since many
// extensions decorate or modify the common logic, it is useful for them to
// satisfy a basic interface in order for them to be used.
type UpdateOptsBuilder interface {
	ToNetworkUpdateMap() map[string]map[string]interface{}
}

// UpdateOpts is the common options struct used in this package's Update
// operation.
type UpdateOpts networkOpts

// ToNetworkUpdateMap casts a UpdateOpts struct to a map.
func (o UpdateOpts) ToNetworkUpdateMap() map[string]map[string]interface{} {
	inner := make(map[string]interface{})

	if o.AdminStateUp != nil {
		inner["admin_state_up"] = &o.AdminStateUp
	}
	if o.Name != "" {
		inner["name"] = o.Name
	}
	if o.Shared != nil {
		inner["shared"] = &o.Shared
	}

	outer := make(map[string]map[string]interface{})
	outer["network"] = inner

	return outer
}

// Update accepts a UpdateOpts struct and updates an existing network using the
// values provided. For more information, see the Create function.
func Update(c *gophercloud.ServiceClient, networkID string, opts UpdateOptsBuilder) UpdateResult {
	var res UpdateResult

	reqBody := opts.ToNetworkUpdateMap()

	// Send request to API
	_, res.Err = perigee.Request("PUT", getURL(c, networkID), perigee.Options{
		MoreHeaders: c.Provider.AuthenticatedHeaders(),
		ReqBody:     &reqBody,
		Results:     &res.Resp,
		OkCodes:     []int{200, 201},
	})

	return res
}

// Delete accepts a unique ID and deletes the network associated with it.
func Delete(c *gophercloud.ServiceClient, networkID string) DeleteResult {
	var res DeleteResult
	_, res.Err = perigee.Request("DELETE", deleteURL(c, networkID), perigee.Options{
		MoreHeaders: c.Provider.AuthenticatedHeaders(),
		OkCodes:     []int{204},
	})
	return res
}