Add StorageOS volume plugin

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

@@ -0,0 +1,96 @@
+package storageos
+
+import (
+	"encoding/json"
+	"errors"
+	"net/http"
+
+	"github.com/storageos/go-api/types"
+)
+
+var (
+
+	// PoolAPIPrefix is a partial path to the HTTP endpoint.
+	PoolAPIPrefix = "pools"
+
+	// ErrNoSuchPool is the error returned when the pool does not exist.
+	ErrNoSuchPool = errors.New("no such pool")
+
+	// ErrPoolInUse is the error returned when the pool requested to be removed is still in use.
+	ErrPoolInUse = errors.New("pool in use and cannot be removed")
+)
+
+// PoolList returns the list of available pools.
+func (c *Client) PoolList(opts types.ListOptions) ([]*types.Pool, error) {
+	listOpts := doOptions{
+		fieldSelector: opts.FieldSelector,
+		labelSelector: opts.LabelSelector,
+		namespace:     opts.Namespace,
+		context:       opts.Context,
+	}
+	resp, err := c.do("GET", PoolAPIPrefix, listOpts)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	var pools []*types.Pool
+	if err := json.NewDecoder(resp.Body).Decode(&pools); err != nil {
+		return nil, err
+	}
+	return pools, nil
+}
+
+// PoolCreate creates a pool on the server and returns the new object.
+func (c *Client) PoolCreate(opts types.PoolCreateOptions) (*types.Pool, error) {
+	resp, err := c.do("POST", PoolAPIPrefix, doOptions{
+		data:    opts,
+		context: opts.Context,
+	})
+	if err != nil {
+		return nil, err
+	}
+	var pool types.Pool
+	if err := json.NewDecoder(resp.Body).Decode(&pool); err != nil {
+		return nil, err
+	}
+	return &pool, nil
+}
+
+// Pool returns a pool by its reference.
+func (c *Client) Pool(ref string) (*types.Pool, error) {
+	resp, err := c.do("GET", PoolAPIPrefix+"/"+ref, doOptions{})
+	if err != nil {
+		if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound {
+			return nil, ErrNoSuchPool
+		}
+		return nil, err
+	}
+	defer resp.Body.Close()
+	var pool types.Pool
+	if err := json.NewDecoder(resp.Body).Decode(&pool); err != nil {
+		return nil, err
+	}
+	return &pool, nil
+}
+
+// PoolDelete removes a pool by its reference.
+func (c *Client) PoolDelete(opts types.DeleteOptions) error {
+	deleteOpts := doOptions{
+		force:   opts.Force,
+		context: opts.Context,
+	}
+	resp, err := c.do("DELETE", PoolAPIPrefix+"/"+opts.Name, deleteOpts)
+	if err != nil {
+		if e, ok := err.(*Error); ok {
+			if e.Status == http.StatusNotFound {
+				return ErrNoSuchPool
+			}
+			if e.Status == http.StatusConflict {
+				return ErrPoolInUse
+			}
+		}
+		return nil
+	}
+	defer resp.Body.Close()
+	return nil
+}