listeners

package
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 Go to latest Published: Feb 9, 2021 License: Apache-2.0 Imports: 4 Imported by: 0

Documentation

Overview

Package listeners provides information and interaction with Listeners of the LBaaS v2 extension for the OpenStack Networking service.

Example to List Listeners 

listOpts := listeners.ListOpts{
	LoadbalancerID : "ca430f80-1737-4712-8dc6-3f640d55594b",
}

allPages, err := listeners.List(networkClient, listOpts).AllPages()
if err != nil {
	panic(err)
}

allListeners, err := listeners.ExtractListeners(allPages)
if err != nil {
	panic(err)
}

for _, listener := range allListeners {
	fmt.Printf("%+v\n", listener)
}

Example to Create a Listener 

createOpts := listeners.CreateOpts{
	Protocol:               "TCP",
	Name:                   "db",
	LoadbalancerID:         "79e05663-7f03-45d2-a092-8b94062f22ab",
	AdminStateUp:           gophercloud.Enabled,
	DefaultPoolID:          "41efe233-7591-43c5-9cf7-923964759f9e",
	ProtocolPort:           3306,
}

listener, err := listeners.Create(networkClient, createOpts).Extract()
if err != nil {
	panic(err)
}

Example to Update a Listener 

listenerID := "d67d56a6-4a86-4688-a282-f46444705c64"

i1001 := 1001
updateOpts := listeners.UpdateOpts{
	ConnLimit: &i1001,
}

listener, err := listeners.Update(networkClient, listenerID, updateOpts).Extract()
if err != nil {
	panic(err)
}

Example to Delete a Listener 

listenerID := "d67d56a6-4a86-4688-a282-f46444705c64"
err := listeners.Delete(networkClient, listenerID).ExtractErr()
if err != nil {
	panic(err)
}

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func List 

func List(c *gophercloud.ServiceClient, opts ListOptsBuilder) pagination.Pager

List returns a Pager which allows you to iterate over a collection of listeners. It accepts a ListOpts struct, which allows you to filter and sort the returned collection for greater efficiency.

Default policy settings return only those listeners that are owned by the tenant who submits the request, unless an admin user submits the request.

Types

type CreateOpts 

type CreateOpts struct {
	// The load balancer on which to provision this listener.
	LoadbalancerID string `json:"loadbalancer_id" required:"true"`

	// The protocol - can either be TCP, HTTP or HTTPS.
	Protocol Protocol `json:"protocol" required:"true"`

	// The port on which to listen for client traffic.
	ProtocolPort int `json:"protocol_port" required:"true"`

	// TenantID is only required if the caller has an admin role and wants
	// to create a pool for another project.
	TenantID string `json:"tenant_id,omitempty"`

	// ProjectID is only required if the caller has an admin role and wants
	// to create a pool for another project.
	ProjectID string `json:"project_id,omitempty"`

	// Human-readable name for the Listener. Does not have to be unique.
	Name string `json:"name,omitempty"`

	// The ID of the default pool with which the Listener is associated.
	DefaultPoolID string `json:"default_pool_id,omitempty"`

	// Human-readable description for the Listener.
	Description string `json:"description,omitempty"`

	// The maximum number of connections allowed for the Listener.
	ConnLimit *int `json:"connection_limit,omitempty"`

	// A reference to a Barbican container of TLS secrets.
	DefaultTlsContainerRef string `json:"default_tls_container_ref,omitempty"`

	// A list of references to TLS secrets.
	SniContainerRefs []string `json:"sni_container_refs,omitempty"`

	// The administrative state of the Listener. A valid value is true (UP)
	// or false (DOWN).
	AdminStateUp *bool `json:"admin_state_up,omitempty"`
}

CreateOpts represents options for creating a listener.

func (CreateOpts) ToListenerCreateMap 

func (opts CreateOpts) ToListenerCreateMap() (map[string]interface{}, error)

ToListenerCreateMap builds a request body from CreateOpts.

type CreateOptsBuilder 

type CreateOptsBuilder interface {
	ToListenerCreateMap() (map[string]interface{}, error)
}

CreateOptsBuilder allows extensions to add additional parameters to the Create request.

type CreateResult 

type CreateResult struct {
	// contains filtered or unexported fields
}

CreateResult represents the result of a create operation. Call its Extract method to interpret it as a Listener.

func Create 

func Create(c *gophercloud.ServiceClient, opts CreateOptsBuilder) (r CreateResult)

Create is an operation which provisions a new Listeners based on the configuration defined in the CreateOpts struct. Once the request is validated and progress has started on the provisioning process, a CreateResult will be returned.

Users with an admin role can create Listeners on behalf of other tenants by specifying a TenantID attribute different than their own.

func (CreateResult) Extract 

func (r CreateResult) Extract() (*Listener, error)

Extract is a function that accepts a result and extracts a listener.

type DeleteResult 

type DeleteResult struct {
	gophercloud.ErrResult
}

DeleteResult represents the result of a delete operation. Call its ExtractErr method to determine if the request succeeded or failed.

func Delete 

func Delete(c *gophercloud.ServiceClient, id string) (r DeleteResult)

Delete will permanently delete a particular Listeners based on its unique ID.

type GetResult 

type GetResult struct {
	// contains filtered or unexported fields
}

GetResult represents the result of a get operation. Call its Extract method to interpret it as a Listener.

func Get 

func Get(c *gophercloud.ServiceClient, id string) (r GetResult)

Get retrieves a particular Listeners based on its unique ID.

func (GetResult) Extract 

func (r GetResult) Extract() (*Listener, error)

Extract is a function that accepts a result and extracts a listener.

type ListOpts 

type ListOpts struct {
	ID              string `q:"id"`
	Name            string `q:"name"`
	AdminStateUp    *bool  `q:"admin_state_up"`
	TenantID        string `q:"tenant_id"`
	ProjectID       string `q:"project_id"`
	LoadbalancerID  string `q:"loadbalancer_id"`
	DefaultPoolID   string `q:"default_pool_id"`
	Protocol        string `q:"protocol"`
	ProtocolPort    int    `q:"protocol_port"`
	ConnectionLimit int    `q:"connection_limit"`
	Limit           int    `q:"limit"`
	Marker          string `q:"marker"`
	SortKey         string `q:"sort_key"`
	SortDir         string `q:"sort_dir"`
}

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 floating IP attributes you want to see returned. SortKey allows you to sort by a particular listener attribute. SortDir sets the direction, and is either `asc' or `desc'. Marker and Limit are used for pagination.

func (ListOpts) ToListenerListQuery 

func (opts ListOpts) ToListenerListQuery() (string, error)

ToListenerListQuery formats a ListOpts into a query string.

type ListOptsBuilder 

type ListOptsBuilder interface {
	ToListenerListQuery() (string, error)
}

ListOptsBuilder allows extensions to add additional parameters to the List request.

type Listener 

type Listener struct {
	// The unique ID for the Listener.
	ID string `json:"id"`

	// Owner of the Listener.
	TenantID string `json:"tenant_id"`

	// Human-readable name for the Listener. Does not have to be unique.
	Name string `json:"name"`

	// Human-readable description for the Listener.
	Description string `json:"description"`

	// The protocol to loadbalance. A valid value is TCP, HTTP, or HTTPS.
	Protocol string `json:"protocol"`

	// The port on which to listen to client traffic that is associated with the
	// Loadbalancer. A valid value is from 0 to 65535.
	ProtocolPort int `json:"protocol_port"`

	// The UUID of default pool. Must have compatible protocol with listener.
	DefaultPoolID string `json:"default_pool_id"`

	// A list of load balancer IDs.
	Loadbalancers []LoadBalancerID `json:"loadbalancers"`

	// The maximum number of connections allowed for the Loadbalancer.
	// Default is -1, meaning no limit.
	ConnLimit int `json:"connection_limit"`

	// The list of references to TLS secrets.
	SniContainerRefs []string `json:"sni_container_refs"`

	// A reference to a Barbican container of TLS secrets.
	DefaultTlsContainerRef string `json:"default_tls_container_ref"`

	// The administrative state of the Listener. A valid value is true (UP) or false (DOWN).
	AdminStateUp bool `json:"admin_state_up"`

	// Pools are the pools which are part of this listener.
	Pools []pools.Pool `json:"pools"`

	// L7policies are the L7 policies which are part of this listener.
	// This field seems to only be returned during a call to a load balancer's /status
	// see: https://github.com/gophercloud/gophercloud/issues/1352
	L7Policies []l7policies.L7Policy `json:"l7policies"`

	// The provisioning status of the listener.
	// This value is ACTIVE, PENDING_* or ERROR.
	ProvisioningStatus string `json:"provisioning_status"`
}

Listener is the primary load balancing configuration object that specifies the loadbalancer and port on which client traffic is received, as well as other details such as the load balancing method to be use, protocol, etc.

func ExtractListeners 

func ExtractListeners(r pagination.Page) ([]Listener, error)

ExtractListeners accepts a Page struct, specifically a ListenerPage struct, and extracts the elements into a slice of Listener structs. In other words, a generic collection is mapped into a relevant slice.

type ListenerPage 

type ListenerPage struct {
	pagination.LinkedPageBase
}

ListenerPage is the page returned by a pager when traversing over a collection of listeners.

func (ListenerPage) IsEmpty 

func (r ListenerPage) IsEmpty() (bool, error)

IsEmpty checks whether a ListenerPage struct is empty.

func (ListenerPage) NextPageURL 

func (r ListenerPage) NextPageURL() (string, error)

NextPageURL is invoked when a paginated collection of listeners 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.

type LoadBalancerID 

type LoadBalancerID struct {
	ID string `json:"id"`
}

type Protocol 

type Protocol string

Type Protocol represents a listener protocol. 

const (
	ProtocolTCP             Protocol = "TCP"
	ProtocolHTTP            Protocol = "HTTP"
	ProtocolHTTPS           Protocol = "HTTPS"
	ProtocolTerminatedHTTPS Protocol = "TERMINATED_HTTPS"
)

Supported attributes for create/update operations.

type UpdateOpts 

type UpdateOpts struct {
	// Human-readable name for the Listener. Does not have to be unique.
	Name *string `json:"name,omitempty"`

	// The ID of the default pool with which the Listener is associated.
	DefaultPoolID *string `json:"default_pool_id,omitempty"`

	// Human-readable description for the Listener.
	Description *string `json:"description,omitempty"`

	// The maximum number of connections allowed for the Listener.
	ConnLimit *int `json:"connection_limit,omitempty"`

	// A reference to a Barbican container of TLS secrets.
	DefaultTlsContainerRef string `json:"default_tls_container_ref,omitempty"`

	// A list of references to TLS secrets.
	SniContainerRefs []string `json:"sni_container_refs,omitempty"`

	// The administrative state of the Listener. A valid value is true (UP)
	// or false (DOWN).
	AdminStateUp *bool `json:"admin_state_up,omitempty"`
}

UpdateOpts represents options for updating a Listener.

func (UpdateOpts) ToListenerUpdateMap 

func (opts UpdateOpts) ToListenerUpdateMap() (map[string]interface{}, error)

ToListenerUpdateMap builds a request body from UpdateOpts.

type UpdateOptsBuilder 

type UpdateOptsBuilder interface {
	ToListenerUpdateMap() (map[string]interface{}, error)
}

UpdateOptsBuilder allows extensions to add additional parameters to the Update request.

type UpdateResult 

type UpdateResult struct {
	// contains filtered or unexported fields
}

UpdateResult represents the result of an update operation. Call its Extract method to interpret it as a Listener.

func Update 

func Update(c *gophercloud.ServiceClient, id string, opts UpdateOpts) (r UpdateResult)

Update is an operation which modifies the attributes of the specified Listener.

func (UpdateResult) Extract 

func (r UpdateResult) Extract() (*Listener, error)

Extract is a function that accepts a result and extracts a listener.

Source Files

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