vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/l7policies/requests.go - cloudstack-kubernetes-provider - Git at Google

 package l7policies

 import (
 	"github.com/gophercloud/gophercloud"
 	"github.com/gophercloud/gophercloud/pagination"
 )

 // CreateOptsBuilder allows extensions to add additional parameters to the
 // Create request.
 type CreateOptsBuilder interface {
 	ToL7PolicyCreateMap() (map[string]interface{}, error)
 }

 type Action string
 type RuleType string
 type CompareType string

 const (
 	ActionRedirectToPool Action = "REDIRECT_TO_POOL"
 	ActionRedirectToURL  Action = "REDIRECT_TO_URL"
 	ActionReject         Action = "REJECT"

 	TypeCookie   RuleType = "COOKIE"
 	TypeFileType RuleType = "FILE_TYPE"
 	TypeHeader   RuleType = "HEADER"
 	TypeHostName RuleType = "HOST_NAME"
 	TypePath     RuleType = "PATH"

 	CompareTypeContains  CompareType = "CONTAINS"
 	CompareTypeEndWith   CompareType = "ENDS_WITH"
 	CompareTypeEqual     CompareType = "EQUAL_TO"
 	CompareTypeRegex     CompareType = "REGEX"
 	CompareTypeStartWith CompareType = "STARTS_WITH"
 )

 // CreateOpts is the common options struct used in this package's Create
 // operation.
 type CreateOpts struct {
 	// Name of the L7 policy.
 	Name string `json:"name,omitempty"`

 	// The ID of the listener.
 	ListenerID string `json:"listener_id" required:"true"`

 	// The L7 policy action. One of REDIRECT_TO_POOL, REDIRECT_TO_URL, or REJECT.
 	Action Action `json:"action" required:"true"`

 	// The position of this policy on the listener.
 	Position int32 `json:"position,omitempty"`

 	// A human-readable description for the resource.
 	Description string `json:"description,omitempty"`

 	// TenantID is the UUID of the tenant who owns the L7 policy in octavia.
 	// Only administrative users can specify a project UUID other than their own.
 	TenantID string `json:"tenant_id,omitempty"`

 	// Requests matching this policy will be redirected to the pool with this ID.
 	// Only valid if action is REDIRECT_TO_POOL.
 	RedirectPoolID string `json:"redirect_pool_id,omitempty"`

 	// Requests matching this policy will be redirected to this URL.
 	// Only valid if action is REDIRECT_TO_URL.
 	RedirectURL string `json:"redirect_url,omitempty"`

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

 // ToL7PolicyCreateMap builds a request body from CreateOpts.
 func (opts CreateOpts) ToL7PolicyCreateMap() (map[string]interface{}, error) {
 	return gophercloud.BuildRequestBody(opts, "l7policy")
 }

 // Create accepts a CreateOpts struct and uses the values to create a new l7policy.
 func Create(c *gophercloud.ServiceClient, opts CreateOptsBuilder) (r CreateResult) {
 	b, err := opts.ToL7PolicyCreateMap()
 	if err != nil {
 		r.Err = err
 		return
 	}
 	_, r.Err = c.Post(rootURL(c), b, &r.Body, nil)
 	return
 }

 // ListOptsBuilder allows extensions to add additional parameters to the
 // List request.
 type ListOptsBuilder interface {
 	ToL7PolicyListQuery() (string, error)
 }

 // ListOpts allows the filtering and sorting of paginated collections through
 // the API.
 type ListOpts struct {
 	Name           string `q:"name"`
 	Description    string `q:"description"`
 	ListenerID     string `q:"listener_id"`
 	Action         string `q:"action"`
 	TenantID       string `q:"tenant_id"`
 	RedirectPoolID string `q:"redirect_pool_id"`
 	RedirectURL    string `q:"redirect_url"`
 	Position       int32  `q:"position"`
 	AdminStateUp   bool   `q:"admin_state_up"`
 	ID             string `q:"id"`
 	Limit          int    `q:"limit"`
 	Marker         string `q:"marker"`
 	SortKey        string `q:"sort_key"`
 	SortDir        string `q:"sort_dir"`
 }

 // ToL7PolicyListQuery formats a ListOpts into a query string.
 func (opts ListOpts) ToL7PolicyListQuery() (string, error) {
 	q, err := gophercloud.BuildQueryString(opts)
 	return q.String(), err
 }

 // List returns a Pager which allows you to iterate over a collection of
 // l7policies. It accepts a ListOpts struct, which allows you to filter and sort
 // the returned collection for greater efficiency.
 //
 // Default policy settings return only those l7policies that are owned by the
 // project who submits the request, unless an admin user submits the request.
 func List(c *gophercloud.ServiceClient, opts ListOptsBuilder) pagination.Pager {
 	url := rootURL(c)
 	if opts != nil {
 		query, err := opts.ToL7PolicyListQuery()
 		if err != nil {
 			return pagination.Pager{Err: err}
 		}
 		url += query
 	}
 	return pagination.NewPager(c, url, func(r pagination.PageResult) pagination.Page {
 		return L7PolicyPage{pagination.LinkedPageBase{PageResult: r}}
 	})
 }

 // Get retrieves a particular l7policy based on its unique ID.
 func Get(c *gophercloud.ServiceClient, id string) (r GetResult) {
 	_, r.Err = c.Get(resourceURL(c, id), &r.Body, nil)
 	return
 }

 // Delete will permanently delete a particular l7policy based on its unique ID.
 func Delete(c *gophercloud.ServiceClient, id string) (r DeleteResult) {
 	_, r.Err = c.Delete(resourceURL(c, id), nil)
 	return
 }

 // UpdateOptsBuilder allows extensions to add additional parameters to the
 // Update request.
 type UpdateOptsBuilder interface {
 	ToL7PolicyUpdateMap() (map[string]interface{}, error)
 }

 // UpdateOpts is the common options struct used in this package's Update
 // operation.
 type UpdateOpts struct {
 	// Name of the L7 policy, empty string is allowed.
 	Name *string `json:"name,omitempty"`

 	// The L7 policy action. One of REDIRECT_TO_POOL, REDIRECT_TO_URL, or REJECT.
 	Action Action `json:"action,omitempty"`

 	// The position of this policy on the listener.
 	Position int32 `json:"position,omitempty"`

 	// A human-readable description for the resource, empty string is allowed.
 	Description *string `json:"description,omitempty"`

 	// Requests matching this policy will be redirected to the pool with this ID.
 	// Only valid if action is REDIRECT_TO_POOL.
 	RedirectPoolID *string `json:"redirect_pool_id,omitempty"`

 	// Requests matching this policy will be redirected to this URL.
 	// Only valid if action is REDIRECT_TO_URL.
 	RedirectURL *string `json:"redirect_url,omitempty"`

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

 // ToL7PolicyUpdateMap builds a request body from UpdateOpts.
 func (opts UpdateOpts) ToL7PolicyUpdateMap() (map[string]interface{}, error) {
 	b, err := gophercloud.BuildRequestBody(opts, "l7policy")
 	if err != nil {
 		return nil, err
 	}

 	m := b["l7policy"].(map[string]interface{})

 	if m["redirect_pool_id"] == "" {
 		m["redirect_pool_id"] = nil
 	}

 	if m["redirect_url"] == "" {
 		m["redirect_url"] = nil
 	}

 	return b, nil
 }

 // Update allows l7policy to be updated.
 func Update(c *gophercloud.ServiceClient, id string, opts UpdateOptsBuilder) (r UpdateResult) {
 	b, err := opts.ToL7PolicyUpdateMap()
 	if err != nil {
 		r.Err = err
 		return
 	}
 	_, r.Err = c.Put(resourceURL(c, id), b, &r.Body, &gophercloud.RequestOpts{
 		OkCodes: []int{200},
 	})
 	return
 }

 // CreateRuleOpts is the common options struct used in this package's CreateRule
 // operation.
 type CreateRuleOpts struct {
 	// The L7 rule type. One of COOKIE, FILE_TYPE, HEADER, HOST_NAME, or PATH.
 	RuleType RuleType `json:"type" required:"true"`

 	// The comparison type for the L7 rule. One of CONTAINS, ENDS_WITH, EQUAL_TO, REGEX, or STARTS_WITH.
 	CompareType CompareType `json:"compare_type" required:"true"`

 	// The value to use for the comparison. For example, the file type to compare.
 	Value string `json:"value" required:"true"`

 	// TenantID is the UUID of the tenant who owns the rule in octavia.
 	// Only administrative users can specify a project UUID other than their own.
 	TenantID string `json:"tenant_id,omitempty"`

 	// The key to use for the comparison. For example, the name of the cookie to evaluate.
 	Key string `json:"key,omitempty"`

 	// When true the logic of the rule is inverted. For example, with invert true,
 	// equal to would become not equal to. Default is false.
 	Invert bool `json:"invert,omitempty"`

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

 // ToRuleCreateMap builds a request body from CreateRuleOpts.
 func (opts CreateRuleOpts) ToRuleCreateMap() (map[string]interface{}, error) {
 	return gophercloud.BuildRequestBody(opts, "rule")
 }

 // CreateRule will create and associate a Rule with a particular L7Policy.
 func CreateRule(c *gophercloud.ServiceClient, policyID string, opts CreateRuleOpts) (r CreateRuleResult) {
 	b, err := opts.ToRuleCreateMap()
 	if err != nil {
 		r.Err = err
 		return
 	}
 	_, r.Err = c.Post(ruleRootURL(c, policyID), b, &r.Body, nil)
 	return
 }

 // ListRulesOptsBuilder allows extensions to add additional parameters to the
 // ListRules request.
 type ListRulesOptsBuilder interface {
 	ToRulesListQuery() (string, error)
 }

 // ListRulesOpts allows the filtering and sorting of paginated collections
 // through the API.
 type ListRulesOpts struct {
 	RuleType     RuleType    `q:"type"`
 	TenantID     string      `q:"tenant_id"`
 	CompareType  CompareType `q:"compare_type"`
 	Value        string      `q:"value"`
 	Key          string      `q:"key"`
 	Invert       bool        `q:"invert"`
 	AdminStateUp bool        `q:"admin_state_up"`
 	ID           string      `q:"id"`
 	Limit        int         `q:"limit"`
 	Marker       string      `q:"marker"`
 	SortKey      string      `q:"sort_key"`
 	SortDir      string      `q:"sort_dir"`
 }

 // ToRulesListQuery formats a ListOpts into a query string.
 func (opts ListRulesOpts) ToRulesListQuery() (string, error) {
 	q, err := gophercloud.BuildQueryString(opts)
 	return q.String(), err
 }

 // ListRules returns a Pager which allows you to iterate over a collection of
 // rules. It accepts a ListRulesOptsBuilder, which allows you to filter and
 // sort the returned collection for greater efficiency.
 //
 // Default policy settings return only those rules that are owned by the
 // project who submits the request, unless an admin user submits the request.
 func ListRules(c *gophercloud.ServiceClient, policyID string, opts ListRulesOptsBuilder) pagination.Pager {
 	url := ruleRootURL(c, policyID)
 	if opts != nil {
 		query, err := opts.ToRulesListQuery()
 		if err != nil {
 			return pagination.Pager{Err: err}
 		}
 		url += query
 	}
 	return pagination.NewPager(c, url, func(r pagination.PageResult) pagination.Page {
 		return RulePage{pagination.LinkedPageBase{PageResult: r}}
 	})
 }

 // GetRule retrieves a particular L7Policy Rule based on its unique ID.
 func GetRule(c *gophercloud.ServiceClient, policyID string, ruleID string) (r GetRuleResult) {
 	_, r.Err = c.Get(ruleResourceURL(c, policyID, ruleID), &r.Body, nil)
 	return
 }

 // DeleteRule will remove a Rule from a particular L7Policy.
 func DeleteRule(c *gophercloud.ServiceClient, policyID string, ruleID string) (r DeleteRuleResult) {
 	_, r.Err = c.Delete(ruleResourceURL(c, policyID, ruleID), nil)
 	return
 }

 // UpdateRuleOptsBuilder allows to add additional parameters to the PUT request.
 type UpdateRuleOptsBuilder interface {
 	ToRuleUpdateMap() (map[string]interface{}, error)
 }

 // UpdateRuleOpts is the common options struct used in this package's Update
 // operation.
 type UpdateRuleOpts struct {
 	// The L7 rule type. One of COOKIE, FILE_TYPE, HEADER, HOST_NAME, or PATH.
 	RuleType RuleType `json:"type,omitempty"`

 	// The comparison type for the L7 rule. One of CONTAINS, ENDS_WITH, EQUAL_TO, REGEX, or STARTS_WITH.
 	CompareType CompareType `json:"compare_type,omitempty"`

 	// The value to use for the comparison. For example, the file type to compare.
 	Value string `json:"value,omitempty"`

 	// The key to use for the comparison. For example, the name of the cookie to evaluate.
 	Key *string `json:"key,omitempty"`

 	// When true the logic of the rule is inverted. For example, with invert true,
 	// equal to would become not equal to. Default is false.
 	Invert *bool `json:"invert,omitempty"`

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

 // ToRuleUpdateMap builds a request body from UpdateRuleOpts.
 func (opts UpdateRuleOpts) ToRuleUpdateMap() (map[string]interface{}, error) {
 	b, err := gophercloud.BuildRequestBody(opts, "rule")
 	if err != nil {
 		return nil, err
 	}

 	if m := b["rule"].(map[string]interface{}); m["key"] == "" {
 		m["key"] = nil
 	}

 	return b, nil
 }

 // UpdateRule allows Rule to be updated.
 func UpdateRule(c *gophercloud.ServiceClient, policyID string, ruleID string, opts UpdateRuleOptsBuilder) (r UpdateRuleResult) {
 	b, err := opts.ToRuleUpdateMap()
 	if err != nil {
 		r.Err = err
 		return
 	}
 	_, r.Err = c.Put(ruleResourceURL(c, policyID, ruleID), b, &r.Body, &gophercloud.RequestOpts{
 		OkCodes: []int{200, 201, 202},
 	})
 	return
 }
	package l7policies

	import (
	"github.com/gophercloud/gophercloud"
	"github.com/gophercloud/gophercloud/pagination"
	)

	// CreateOptsBuilder allows extensions to add additional parameters to the
	// Create request.
	type CreateOptsBuilder interface {
	ToL7PolicyCreateMap() (map[string]interface{}, error)
	}

	type Action string
	type RuleType string
	type CompareType string

	const (
	ActionRedirectToPool Action = "REDIRECT_TO_POOL"
	ActionRedirectToURL Action = "REDIRECT_TO_URL"
	ActionReject Action = "REJECT"

	TypeCookie RuleType = "COOKIE"
	TypeFileType RuleType = "FILE_TYPE"
	TypeHeader RuleType = "HEADER"
	TypeHostName RuleType = "HOST_NAME"
	TypePath RuleType = "PATH"

	CompareTypeContains CompareType = "CONTAINS"
	CompareTypeEndWith CompareType = "ENDS_WITH"
	CompareTypeEqual CompareType = "EQUAL_TO"
	CompareTypeRegex CompareType = "REGEX"
	CompareTypeStartWith CompareType = "STARTS_WITH"
	)

	// CreateOpts is the common options struct used in this package's Create
	// operation.
	type CreateOpts struct {
	// Name of the L7 policy.
	Name string `json:"name,omitempty"`

	// The ID of the listener.
	ListenerID string `json:"listener_id" required:"true"`

	// The L7 policy action. One of REDIRECT_TO_POOL, REDIRECT_TO_URL, or REJECT.
	Action Action `json:"action" required:"true"`

	// The position of this policy on the listener.
	Position int32 `json:"position,omitempty"`

	// A human-readable description for the resource.
	Description string `json:"description,omitempty"`

	// TenantID is the UUID of the tenant who owns the L7 policy in octavia.
	// Only administrative users can specify a project UUID other than their own.
	TenantID string `json:"tenant_id,omitempty"`

	// Requests matching this policy will be redirected to the pool with this ID.
	// Only valid if action is REDIRECT_TO_POOL.
	RedirectPoolID string `json:"redirect_pool_id,omitempty"`

	// Requests matching this policy will be redirected to this URL.
	// Only valid if action is REDIRECT_TO_URL.
	RedirectURL string `json:"redirect_url,omitempty"`

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

	// ToL7PolicyCreateMap builds a request body from CreateOpts.
	func (opts CreateOpts) ToL7PolicyCreateMap() (map[string]interface{}, error) {
	return gophercloud.BuildRequestBody(opts, "l7policy")
	}

	// Create accepts a CreateOpts struct and uses the values to create a new l7policy.
	func Create(c *gophercloud.ServiceClient, opts CreateOptsBuilder) (r CreateResult) {
	b, err := opts.ToL7PolicyCreateMap()
	if err != nil {
	r.Err = err
	return
	}
	_, r.Err = c.Post(rootURL(c), b, &r.Body, nil)
	return
	}

	// ListOptsBuilder allows extensions to add additional parameters to the
	// List request.
	type ListOptsBuilder interface {
	ToL7PolicyListQuery() (string, error)
	}

	// ListOpts allows the filtering and sorting of paginated collections through
	// the API.
	type ListOpts struct {
	Name string `q:"name"`
	Description string `q:"description"`
	ListenerID string `q:"listener_id"`
	Action string `q:"action"`
	TenantID string `q:"tenant_id"`
	RedirectPoolID string `q:"redirect_pool_id"`
	RedirectURL string `q:"redirect_url"`
	Position int32 `q:"position"`
	AdminStateUp bool `q:"admin_state_up"`
	ID string `q:"id"`
	Limit int `q:"limit"`
	Marker string `q:"marker"`
	SortKey string `q:"sort_key"`
	SortDir string `q:"sort_dir"`
	}

	// ToL7PolicyListQuery formats a ListOpts into a query string.
	func (opts ListOpts) ToL7PolicyListQuery() (string, error) {
	q, err := gophercloud.BuildQueryString(opts)
	return q.String(), err
	}

	// List returns a Pager which allows you to iterate over a collection of
	// l7policies. It accepts a ListOpts struct, which allows you to filter and sort
	// the returned collection for greater efficiency.
	//
	// Default policy settings return only those l7policies that are owned by the
	// project who submits the request, unless an admin user submits the request.
	func List(c *gophercloud.ServiceClient, opts ListOptsBuilder) pagination.Pager {
	url := rootURL(c)
	if opts != nil {
	query, err := opts.ToL7PolicyListQuery()
	if err != nil {
	return pagination.Pager{Err: err}
	}
	url += query
	}
	return pagination.NewPager(c, url, func(r pagination.PageResult) pagination.Page {
	return L7PolicyPage{pagination.LinkedPageBase{PageResult: r}}
	})
	}

	// Get retrieves a particular l7policy based on its unique ID.
	func Get(c *gophercloud.ServiceClient, id string) (r GetResult) {
	_, r.Err = c.Get(resourceURL(c, id), &r.Body, nil)
	return
	}

	// Delete will permanently delete a particular l7policy based on its unique ID.
	func Delete(c *gophercloud.ServiceClient, id string) (r DeleteResult) {
	_, r.Err = c.Delete(resourceURL(c, id), nil)
	return
	}

	// UpdateOptsBuilder allows extensions to add additional parameters to the
	// Update request.
	type UpdateOptsBuilder interface {
	ToL7PolicyUpdateMap() (map[string]interface{}, error)
	}

	// UpdateOpts is the common options struct used in this package's Update
	// operation.
	type UpdateOpts struct {
	// Name of the L7 policy, empty string is allowed.
	Name *string `json:"name,omitempty"`

	// The L7 policy action. One of REDIRECT_TO_POOL, REDIRECT_TO_URL, or REJECT.
	Action Action `json:"action,omitempty"`

	// The position of this policy on the listener.
	Position int32 `json:"position,omitempty"`

	// A human-readable description for the resource, empty string is allowed.
	Description *string `json:"description,omitempty"`

	// Requests matching this policy will be redirected to the pool with this ID.
	// Only valid if action is REDIRECT_TO_POOL.
	RedirectPoolID *string `json:"redirect_pool_id,omitempty"`

	// Requests matching this policy will be redirected to this URL.
	// Only valid if action is REDIRECT_TO_URL.
	RedirectURL *string `json:"redirect_url,omitempty"`

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

	// ToL7PolicyUpdateMap builds a request body from UpdateOpts.
	func (opts UpdateOpts) ToL7PolicyUpdateMap() (map[string]interface{}, error) {
	b, err := gophercloud.BuildRequestBody(opts, "l7policy")
	if err != nil {
	return nil, err
	}

	m := b["l7policy"].(map[string]interface{})

	if m["redirect_pool_id"] == "" {
	m["redirect_pool_id"] = nil
	}

	if m["redirect_url"] == "" {
	m["redirect_url"] = nil
	}

	return b, nil
	}

	// Update allows l7policy to be updated.
	func Update(c *gophercloud.ServiceClient, id string, opts UpdateOptsBuilder) (r UpdateResult) {
	b, err := opts.ToL7PolicyUpdateMap()
	if err != nil {
	r.Err = err
	return
	}
	_, r.Err = c.Put(resourceURL(c, id), b, &r.Body, &gophercloud.RequestOpts{
	OkCodes: []int{200},
	})
	return
	}

	// CreateRuleOpts is the common options struct used in this package's CreateRule
	// operation.
	type CreateRuleOpts struct {
	// The L7 rule type. One of COOKIE, FILE_TYPE, HEADER, HOST_NAME, or PATH.
	RuleType RuleType `json:"type" required:"true"`

	// The comparison type for the L7 rule. One of CONTAINS, ENDS_WITH, EQUAL_TO, REGEX, or STARTS_WITH.
	CompareType CompareType `json:"compare_type" required:"true"`

	// The value to use for the comparison. For example, the file type to compare.
	Value string `json:"value" required:"true"`

	// TenantID is the UUID of the tenant who owns the rule in octavia.
	// Only administrative users can specify a project UUID other than their own.
	TenantID string `json:"tenant_id,omitempty"`

	// The key to use for the comparison. For example, the name of the cookie to evaluate.
	Key string `json:"key,omitempty"`

	// When true the logic of the rule is inverted. For example, with invert true,
	// equal to would become not equal to. Default is false.
	Invert bool `json:"invert,omitempty"`

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

	// ToRuleCreateMap builds a request body from CreateRuleOpts.
	func (opts CreateRuleOpts) ToRuleCreateMap() (map[string]interface{}, error) {
	return gophercloud.BuildRequestBody(opts, "rule")
	}

	// CreateRule will create and associate a Rule with a particular L7Policy.
	func CreateRule(c *gophercloud.ServiceClient, policyID string, opts CreateRuleOpts) (r CreateRuleResult) {
	b, err := opts.ToRuleCreateMap()
	if err != nil {
	r.Err = err
	return
	}
	_, r.Err = c.Post(ruleRootURL(c, policyID), b, &r.Body, nil)
	return
	}

	// ListRulesOptsBuilder allows extensions to add additional parameters to the
	// ListRules request.
	type ListRulesOptsBuilder interface {
	ToRulesListQuery() (string, error)
	}

	// ListRulesOpts allows the filtering and sorting of paginated collections
	// through the API.
	type ListRulesOpts struct {
	RuleType RuleType `q:"type"`
	TenantID string `q:"tenant_id"`
	CompareType CompareType `q:"compare_type"`
	Value string `q:"value"`
	Key string `q:"key"`
	Invert bool `q:"invert"`
	AdminStateUp bool `q:"admin_state_up"`
	ID string `q:"id"`
	Limit int `q:"limit"`
	Marker string `q:"marker"`
	SortKey string `q:"sort_key"`
	SortDir string `q:"sort_dir"`
	}

	// ToRulesListQuery formats a ListOpts into a query string.
	func (opts ListRulesOpts) ToRulesListQuery() (string, error) {
	q, err := gophercloud.BuildQueryString(opts)
	return q.String(), err
	}

	// ListRules returns a Pager which allows you to iterate over a collection of
	// rules. It accepts a ListRulesOptsBuilder, which allows you to filter and
	// sort the returned collection for greater efficiency.
	//
	// Default policy settings return only those rules that are owned by the
	// project who submits the request, unless an admin user submits the request.
	func ListRules(c *gophercloud.ServiceClient, policyID string, opts ListRulesOptsBuilder) pagination.Pager {
	url := ruleRootURL(c, policyID)
	if opts != nil {
	query, err := opts.ToRulesListQuery()
	if err != nil {
	return pagination.Pager{Err: err}
	}
	url += query
	}
	return pagination.NewPager(c, url, func(r pagination.PageResult) pagination.Page {
	return RulePage{pagination.LinkedPageBase{PageResult: r}}
	})
	}

	// GetRule retrieves a particular L7Policy Rule based on its unique ID.
	func GetRule(c *gophercloud.ServiceClient, policyID string, ruleID string) (r GetRuleResult) {
	_, r.Err = c.Get(ruleResourceURL(c, policyID, ruleID), &r.Body, nil)
	return
	}

	// DeleteRule will remove a Rule from a particular L7Policy.
	func DeleteRule(c *gophercloud.ServiceClient, policyID string, ruleID string) (r DeleteRuleResult) {
	_, r.Err = c.Delete(ruleResourceURL(c, policyID, ruleID), nil)
	return
	}

	// UpdateRuleOptsBuilder allows to add additional parameters to the PUT request.
	type UpdateRuleOptsBuilder interface {
	ToRuleUpdateMap() (map[string]interface{}, error)
	}

	// UpdateRuleOpts is the common options struct used in this package's Update
	// operation.
	type UpdateRuleOpts struct {
	// The L7 rule type. One of COOKIE, FILE_TYPE, HEADER, HOST_NAME, or PATH.
	RuleType RuleType `json:"type,omitempty"`

	// The comparison type for the L7 rule. One of CONTAINS, ENDS_WITH, EQUAL_TO, REGEX, or STARTS_WITH.
	CompareType CompareType `json:"compare_type,omitempty"`

	// The value to use for the comparison. For example, the file type to compare.
	Value string `json:"value,omitempty"`

	// The key to use for the comparison. For example, the name of the cookie to evaluate.
	Key *string `json:"key,omitempty"`

	// When true the logic of the rule is inverted. For example, with invert true,
	// equal to would become not equal to. Default is false.
	Invert *bool `json:"invert,omitempty"`

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

	// ToRuleUpdateMap builds a request body from UpdateRuleOpts.
	func (opts UpdateRuleOpts) ToRuleUpdateMap() (map[string]interface{}, error) {
	b, err := gophercloud.BuildRequestBody(opts, "rule")
	if err != nil {
	return nil, err
	}

	if m := b["rule"].(map[string]interface{}); m["key"] == "" {
	m["key"] = nil
	}

	return b, nil
	}

	// UpdateRule allows Rule to be updated.
	func UpdateRule(c *gophercloud.ServiceClient, policyID string, ruleID string, opts UpdateRuleOptsBuilder) (r UpdateRuleResult) {
	b, err := opts.ToRuleUpdateMap()
	if err != nil {
	r.Err = err
	return
	}
	_, r.Err = c.Put(ruleResourceURL(c, policyID, ruleID), b, &r.Body, &gophercloud.RequestOpts{
	OkCodes: []int{200, 201, 202},
	})
	return
	}