| package subnets |
| |
| import ( |
| "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 |
| ) |
| |
| // ListOptsBuilder allows extensions to add additional parameters to the |
| // List request. |
| type ListOptsBuilder interface { |
| ToSubnetListQuery() (string, error) |
| } |
| |
| // 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 subnet attributes you want to see returned. SortKey allows you to sort |
| // by a particular subnet attribute. SortDir sets the direction, and is either |
| // `asc' or `desc'. Marker and Limit are used for pagination. |
| type ListOpts struct { |
| Name string `q:"name"` |
| EnableDHCP *bool `q:"enable_dhcp"` |
| NetworkID string `q:"network_id"` |
| TenantID string `q:"tenant_id"` |
| IPVersion int `q:"ip_version"` |
| GatewayIP string `q:"gateway_ip"` |
| CIDR string `q:"cidr"` |
| ID string `q:"id"` |
| Limit int `q:"limit"` |
| Marker string `q:"marker"` |
| SortKey string `q:"sort_key"` |
| SortDir string `q:"sort_dir"` |
| } |
| |
| // ToSubnetListQuery formats a ListOpts into a query string. |
| func (opts ListOpts) ToSubnetListQuery() (string, error) { |
| q, err := gophercloud.BuildQueryString(opts) |
| if err != nil { |
| return "", err |
| } |
| return q.String(), nil |
| } |
| |
| // List returns a Pager which allows you to iterate over a collection of |
| // subnets. It accepts a ListOpts struct, which allows you to filter and sort |
| // the returned collection for greater efficiency. |
| // |
| // Default policy settings return only those subnets that are owned by the tenant |
| // who submits the request, unless the request is submitted by a user with |
| // administrative rights. |
| func List(c *gophercloud.ServiceClient, opts ListOptsBuilder) pagination.Pager { |
| url := listURL(c) |
| if opts != nil { |
| query, err := opts.ToSubnetListQuery() |
| if err != nil { |
| return pagination.Pager{Err: err} |
| } |
| url += query |
| } |
| |
| return pagination.NewPager(c, url, func(r pagination.PageResult) pagination.Page { |
| return SubnetPage{pagination.LinkedPageBase{PageResult: r}} |
| }) |
| } |
| |
| // Get retrieves a specific subnet based on its unique ID. |
| func Get(c *gophercloud.ServiceClient, id string) GetResult { |
| var res GetResult |
| _, res.Err = c.Request("GET", getURL(c, id), gophercloud.RequestOpts{ |
| JSONResponse: &res.Body, |
| OkCodes: []int{200}, |
| }) |
| return res |
| } |
| |
| // Valid IP types |
| const ( |
| IPv4 = 4 |
| IPv6 = 6 |
| ) |
| |
| // 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 { |
| ToSubnetCreateMap() (map[string]interface{}, error) |
| } |
| |
| // CreateOpts represents the attributes used when creating a new subnet. |
| type CreateOpts struct { |
| // Required |
| NetworkID string |
| CIDR string |
| // Optional |
| Name string |
| TenantID string |
| AllocationPools []AllocationPool |
| GatewayIP string |
| IPVersion int |
| EnableDHCP *bool |
| DNSNameservers []string |
| HostRoutes []HostRoute |
| } |
| |
| // ToSubnetCreateMap casts a CreateOpts struct to a map. |
| func (opts CreateOpts) ToSubnetCreateMap() (map[string]interface{}, error) { |
| s := make(map[string]interface{}) |
| |
| if opts.NetworkID == "" { |
| return nil, errNetworkIDRequired |
| } |
| if opts.CIDR == "" { |
| return nil, errCIDRRequired |
| } |
| if opts.IPVersion != 0 && opts.IPVersion != IPv4 && opts.IPVersion != IPv6 { |
| return nil, errInvalidIPType |
| } |
| |
| s["network_id"] = opts.NetworkID |
| s["cidr"] = opts.CIDR |
| |
| if opts.EnableDHCP != nil { |
| s["enable_dhcp"] = &opts.EnableDHCP |
| } |
| if opts.Name != "" { |
| s["name"] = opts.Name |
| } |
| if opts.GatewayIP != "" { |
| s["gateway_ip"] = opts.GatewayIP |
| } |
| if opts.TenantID != "" { |
| s["tenant_id"] = opts.TenantID |
| } |
| if opts.IPVersion != 0 { |
| s["ip_version"] = opts.IPVersion |
| } |
| if len(opts.AllocationPools) != 0 { |
| s["allocation_pools"] = opts.AllocationPools |
| } |
| if len(opts.DNSNameservers) != 0 { |
| s["dns_nameservers"] = opts.DNSNameservers |
| } |
| if len(opts.HostRoutes) != 0 { |
| s["host_routes"] = opts.HostRoutes |
| } |
| |
| return map[string]interface{}{"subnet": s}, nil |
| } |
| |
| // Create accepts a CreateOpts struct and creates a new subnet using the values |
| // provided. You must remember to provide a valid NetworkID, CIDR and IP version. |
| func Create(c *gophercloud.ServiceClient, opts CreateOptsBuilder) CreateResult { |
| var res CreateResult |
| |
| reqBody, err := opts.ToSubnetCreateMap() |
| if err != nil { |
| res.Err = err |
| return res |
| } |
| |
| _, res.Err = c.Request("POST", createURL(c), gophercloud.RequestOpts{ |
| JSONBody: &reqBody, |
| JSONResponse: &res.Body, |
| OkCodes: []int{201}, |
| }) |
| |
| return res |
| } |
| |
| // UpdateOptsBuilder allows extensions to add additional parameters to the |
| // Update request. |
| type UpdateOptsBuilder interface { |
| ToSubnetUpdateMap() (map[string]interface{}, error) |
| } |
| |
| // UpdateOpts represents the attributes used when updating an existing subnet. |
| type UpdateOpts struct { |
| Name string |
| GatewayIP string |
| DNSNameservers []string |
| HostRoutes []HostRoute |
| EnableDHCP *bool |
| } |
| |
| // ToSubnetUpdateMap casts an UpdateOpts struct to a map. |
| func (opts UpdateOpts) ToSubnetUpdateMap() (map[string]interface{}, error) { |
| s := make(map[string]interface{}) |
| |
| if opts.EnableDHCP != nil { |
| s["enable_dhcp"] = &opts.EnableDHCP |
| } |
| if opts.Name != "" { |
| s["name"] = opts.Name |
| } |
| if opts.GatewayIP != "" { |
| s["gateway_ip"] = opts.GatewayIP |
| } |
| if len(opts.DNSNameservers) != 0 { |
| s["dns_nameservers"] = opts.DNSNameservers |
| } |
| if len(opts.HostRoutes) != 0 { |
| s["host_routes"] = opts.HostRoutes |
| } |
| |
| return map[string]interface{}{"subnet": s}, nil |
| } |
| |
| // Update accepts a UpdateOpts struct and updates an existing subnet using the |
| // values provided. |
| func Update(c *gophercloud.ServiceClient, id string, opts UpdateOptsBuilder) UpdateResult { |
| var res UpdateResult |
| |
| reqBody, err := opts.ToSubnetUpdateMap() |
| if err != nil { |
| res.Err = err |
| return res |
| } |
| |
| _, res.Err = c.Request("PUT", updateURL(c, id), gophercloud.RequestOpts{ |
| JSONBody: &reqBody, |
| JSONResponse: &res.Body, |
| OkCodes: []int{200, 201}, |
| }) |
| |
| return res |
| } |
| |
| // Delete accepts a unique ID and deletes the subnet associated with it. |
| func Delete(c *gophercloud.ServiceClient, id string) DeleteResult { |
| var res DeleteResult |
| _, res.Err = c.Request("DELETE", deleteURL(c, id), gophercloud.RequestOpts{ |
| OkCodes: []int{204}, |
| }) |
| return res |
| } |