Add StorageOS volume plugin

vendor/github.com/storageos/go-api/template.go

@@ -0,0 +1,90 @@
+package storageos
+
+import (
+	"encoding/json"
+	"errors"
+	"io/ioutil"
+	"net/http"
+	"strconv"
+
+	"github.com/storageos/go-api/types"
+)
+
+var (
+
+	// TemplateAPIPrefix is a partial path to the HTTP endpoint.
+	TemplateAPIPrefix = "/templates"
+
+	// ErrNoSuchTemplate is the error returned when the template does not exist.
+	ErrNoSuchTemplate = errors.New("no such template")
+
+	// ErrTemplateInUse is the error returned when the template requested to be removed is still in use.
+	ErrTemplateInUse = errors.New("template in use and cannot be removed")
+)
+
+// TemplateList returns the list of available templates.
+func (c *Client) TemplateList(opts types.ListOptions) ([]types.Template, error) {
+	path := TemplateAPIPrefix + "?" + queryString(opts)
+	resp, err := c.do("GET", path, doOptions{context: opts.Context})
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	var templates []types.Template
+	if err := json.NewDecoder(resp.Body).Decode(&templates); err != nil {
+		return nil, err
+	}
+	return templates, nil
+}
+
+// TemplateCreate creates a template on the server and returns the new object.
+func (c *Client) TemplateCreate(opts types.TemplateCreateOptions) (string, error) {
+	resp, err := c.do("POST", TemplateAPIPrefix, doOptions{
+		data:    opts,
+		context: opts.Context,
+	})
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+	out, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+	return strconv.Unquote(string(out))
+}
+
+// Template returns a template by its reference.
+func (c *Client) Template(ref string) (*types.Template, error) {
+	resp, err := c.do("GET", TemplateAPIPrefix+"/"+ref, doOptions{})
+	if err != nil {
+		if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound {
+			return nil, ErrNoSuchTemplate
+		}
+		return nil, err
+	}
+	defer resp.Body.Close()
+	var template types.Template
+	if err := json.NewDecoder(resp.Body).Decode(&template); err != nil {
+		return nil, err
+	}
+	return &template, nil
+}
+
+// TemplateDelete removes a template by its reference.
+func (c *Client) TemplateDelete(ref string) error {
+	resp, err := c.do("DELETE", TemplateAPIPrefix+"/"+ref, doOptions{})
+	if err != nil {
+		if e, ok := err.(*Error); ok {
+			if e.Status == http.StatusNotFound {
+				return ErrNoSuchTemplate
+			}
+			if e.Status == http.StatusConflict {
+				return ErrTemplateInUse
+			}
+		}
+		return nil
+	}
+	defer resp.Body.Close()
+	return nil
+}