Updates of Lego.

vendor/github.com/gophercloud/gophercloud/service_client.go

@@ -0,0 +1,152 @@
+package gophercloud
+
+import (
+	"io"
+	"net/http"
+	"strings"
+)
+
+// ServiceClient stores details required to interact with a specific service API implemented by a provider.
+// Generally, you'll acquire these by calling the appropriate `New` method on a ProviderClient.
+type ServiceClient struct {
+	// ProviderClient is a reference to the provider that implements this service.
+	*ProviderClient
+
+	// Endpoint is the base URL of the service's API, acquired from a service catalog.
+	// It MUST end with a /.
+	Endpoint string
+
+	// ResourceBase is the base URL shared by the resources within a service's API. It should include
+	// the API version and, like Endpoint, MUST end with a / if set. If not set, the Endpoint is used
+	// as-is, instead.
+	ResourceBase string
+
+	// This is the service client type (e.g. compute, sharev2).
+	// NOTE: FOR INTERNAL USE ONLY. DO NOT SET. GOPHERCLOUD WILL SET THIS.
+	// It is only exported because it gets set in a different package.
+	Type string
+
+	// The microversion of the service to use. Set this to use a particular microversion.
+	Microversion string
+
+	// MoreHeaders allows users (or Gophercloud) to set service-wide headers on requests. Put another way,
+	// values set in this field will be set on all the HTTP requests the service client sends.
+	MoreHeaders map[string]string
+}
+
+// ResourceBaseURL returns the base URL of any resources used by this service. It MUST end with a /.
+func (client *ServiceClient) ResourceBaseURL() string {
+	if client.ResourceBase != "" {
+		return client.ResourceBase
+	}
+	return client.Endpoint
+}
+
+// ServiceURL constructs a URL for a resource belonging to this provider.
+func (client *ServiceClient) ServiceURL(parts ...string) string {
+	return client.ResourceBaseURL() + strings.Join(parts, "/")
+}
+
+func (client *ServiceClient) initReqOpts(url string, JSONBody interface{}, JSONResponse interface{}, opts *RequestOpts) {
+	if v, ok := (JSONBody).(io.Reader); ok {
+		opts.RawBody = v
+	} else if JSONBody != nil {
+		opts.JSONBody = JSONBody
+	}
+
+	if JSONResponse != nil {
+		opts.JSONResponse = JSONResponse
+	}
+
+	if opts.MoreHeaders == nil {
+		opts.MoreHeaders = make(map[string]string)
+	}
+
+	if client.Microversion != "" {
+		client.setMicroversionHeader(opts)
+	}
+}
+
+// Get calls `Request` with the "GET" HTTP verb.
+func (client *ServiceClient) Get(url string, JSONResponse interface{}, opts *RequestOpts) (*http.Response, error) {
+	if opts == nil {
+		opts = new(RequestOpts)
+	}
+	client.initReqOpts(url, nil, JSONResponse, opts)
+	return client.Request("GET", url, opts)
+}
+
+// Post calls `Request` with the "POST" HTTP verb.
+func (client *ServiceClient) Post(url string, JSONBody interface{}, JSONResponse interface{}, opts *RequestOpts) (*http.Response, error) {
+	if opts == nil {
+		opts = new(RequestOpts)
+	}
+	client.initReqOpts(url, JSONBody, JSONResponse, opts)
+	return client.Request("POST", url, opts)
+}
+
+// Put calls `Request` with the "PUT" HTTP verb.
+func (client *ServiceClient) Put(url string, JSONBody interface{}, JSONResponse interface{}, opts *RequestOpts) (*http.Response, error) {
+	if opts == nil {
+		opts = new(RequestOpts)
+	}
+	client.initReqOpts(url, JSONBody, JSONResponse, opts)
+	return client.Request("PUT", url, opts)
+}
+
+// Patch calls `Request` with the "PATCH" HTTP verb.
+func (client *ServiceClient) Patch(url string, JSONBody interface{}, JSONResponse interface{}, opts *RequestOpts) (*http.Response, error) {
+	if opts == nil {
+		opts = new(RequestOpts)
+	}
+	client.initReqOpts(url, JSONBody, JSONResponse, opts)
+	return client.Request("PATCH", url, opts)
+}
+
+// Delete calls `Request` with the "DELETE" HTTP verb.
+func (client *ServiceClient) Delete(url string, opts *RequestOpts) (*http.Response, error) {
+	if opts == nil {
+		opts = new(RequestOpts)
+	}
+	client.initReqOpts(url, nil, nil, opts)
+	return client.Request("DELETE", url, opts)
+}
+
+// Head calls `Request` with the "HEAD" HTTP verb.
+func (client *ServiceClient) Head(url string, opts *RequestOpts) (*http.Response, error) {
+	if opts == nil {
+		opts = new(RequestOpts)
+	}
+	client.initReqOpts(url, nil, nil, opts)
+	return client.Request("HEAD", url, opts)
+}
+
+func (client *ServiceClient) setMicroversionHeader(opts *RequestOpts) {
+	switch client.Type {
+	case "compute":
+		opts.MoreHeaders["X-OpenStack-Nova-API-Version"] = client.Microversion
+	case "sharev2":
+		opts.MoreHeaders["X-OpenStack-Manila-API-Version"] = client.Microversion
+	case "volume":
+		opts.MoreHeaders["X-OpenStack-Volume-API-Version"] = client.Microversion
+	case "baremetal":
+		opts.MoreHeaders["X-OpenStack-Ironic-API-Version"] = client.Microversion
+	}
+
+	if client.Type != "" {
+		opts.MoreHeaders["OpenStack-API-Version"] = client.Type + " " + client.Microversion
+	}
+}
+
+// Request carries out the HTTP operation for the service client
+func (client *ServiceClient) Request(method, url string, options *RequestOpts) (*http.Response, error) {
+	if len(client.MoreHeaders) > 0 {
+		if options == nil {
+			options = new(RequestOpts)
+		}
+		for k, v := range client.MoreHeaders {
+			options.MoreHeaders[k] = v
+		}
+	}
+	return client.ProviderClient.Request(method, url, options)
+}