cord-776 create build / runtime containers for autmation uservices

Change-Id: I246973192adef56a250ffe93a5f65fff488840c1
diff --git a/switchq/vendor/github.com/juju/gomaasapi/space.go b/switchq/vendor/github.com/juju/gomaasapi/space.go
new file mode 100644
index 0000000..5b8b8cf
--- /dev/null
+++ b/switchq/vendor/github.com/juju/gomaasapi/space.go
@@ -0,0 +1,115 @@
+// Copyright 2016 Canonical Ltd.
+// Licensed under the LGPLv3, see LICENCE file for details.
+
+package gomaasapi
+
+import (
+	"github.com/juju/errors"
+	"github.com/juju/schema"
+	"github.com/juju/version"
+)
+
+type space struct {
+	// Add the controller in when we need to do things with the space.
+	// controller Controller
+
+	resourceURI string
+
+	id   int
+	name string
+
+	subnets []*subnet
+}
+
+// Id implements Space.
+func (s *space) ID() int {
+	return s.id
+}
+
+// Name implements Space.
+func (s *space) Name() string {
+	return s.name
+}
+
+// Subnets implements Space.
+func (s *space) Subnets() []Subnet {
+	var result []Subnet
+	for _, subnet := range s.subnets {
+		result = append(result, subnet)
+	}
+	return result
+}
+
+func readSpaces(controllerVersion version.Number, source interface{}) ([]*space, error) {
+	checker := schema.List(schema.StringMap(schema.Any()))
+	coerced, err := checker.Coerce(source, nil)
+	if err != nil {
+		return nil, errors.Annotatef(err, "space base schema check failed")
+	}
+	valid := coerced.([]interface{})
+
+	var deserialisationVersion version.Number
+	for v := range spaceDeserializationFuncs {
+		if v.Compare(deserialisationVersion) > 0 && v.Compare(controllerVersion) <= 0 {
+			deserialisationVersion = v
+		}
+	}
+	if deserialisationVersion == version.Zero {
+		return nil, errors.Errorf("no space read func for version %s", controllerVersion)
+	}
+	readFunc := spaceDeserializationFuncs[deserialisationVersion]
+	return readSpaceList(valid, readFunc)
+}
+
+// readSpaceList expects the values of the sourceList to be string maps.
+func readSpaceList(sourceList []interface{}, readFunc spaceDeserializationFunc) ([]*space, error) {
+	result := make([]*space, 0, len(sourceList))
+	for i, value := range sourceList {
+		source, ok := value.(map[string]interface{})
+		if !ok {
+			return nil, errors.Errorf("unexpected value for space %d, %T", i, value)
+		}
+		space, err := readFunc(source)
+		if err != nil {
+			return nil, errors.Annotatef(err, "space %d", i)
+		}
+		result = append(result, space)
+	}
+	return result, nil
+}
+
+type spaceDeserializationFunc func(map[string]interface{}) (*space, error)
+
+var spaceDeserializationFuncs = map[version.Number]spaceDeserializationFunc{
+	twoDotOh: space_2_0,
+}
+
+func space_2_0(source map[string]interface{}) (*space, error) {
+	fields := schema.Fields{
+		"resource_uri": schema.String(),
+		"id":           schema.ForceInt(),
+		"name":         schema.String(),
+		"subnets":      schema.List(schema.StringMap(schema.Any())),
+	}
+	checker := schema.FieldMap(fields, nil) // no defaults
+	coerced, err := checker.Coerce(source, nil)
+	if err != nil {
+		return nil, errors.Annotatef(err, "space 2.0 schema check failed")
+	}
+	valid := coerced.(map[string]interface{})
+	// From here we know that the map returned from the schema coercion
+	// contains fields of the right type.
+
+	subnets, err := readSubnetList(valid["subnets"].([]interface{}), subnet_2_0)
+	if err != nil {
+		return nil, errors.Trace(err)
+	}
+
+	result := &space{
+		resourceURI: valid["resource_uri"].(string),
+		id:          valid["id"].(int),
+		name:        valid["name"].(string),
+		subnets:     subnets,
+	}
+	return result, nil
+}