cord-776 create build / runtime containers for autmation uservices

Change-Id: I246973192adef56a250ffe93a5f65fff488840c1
diff --git a/automation/vendor/github.com/juju/gomaasapi/device.go b/automation/vendor/github.com/juju/gomaasapi/device.go
new file mode 100644
index 0000000..7c9bc70
--- /dev/null
+++ b/automation/vendor/github.com/juju/gomaasapi/device.go
@@ -0,0 +1,293 @@
+// Copyright 2016 Canonical Ltd.
+// Licensed under the LGPLv3, see LICENCE file for details.
+
+package gomaasapi
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/juju/errors"
+	"github.com/juju/schema"
+	"github.com/juju/version"
+)
+
+type device struct {
+	controller *controller
+
+	resourceURI string
+
+	systemID string
+	hostname string
+	fqdn     string
+
+	parent string
+	owner  string
+
+	ipAddresses  []string
+	interfaceSet []*interface_
+	zone         *zone
+}
+
+// SystemID implements Device.
+func (d *device) SystemID() string {
+	return d.systemID
+}
+
+// Hostname implements Device.
+func (d *device) Hostname() string {
+	return d.hostname
+}
+
+// FQDN implements Device.
+func (d *device) FQDN() string {
+	return d.fqdn
+}
+
+// Parent implements Device.
+func (d *device) Parent() string {
+	return d.parent
+}
+
+// Owner implements Device.
+func (d *device) Owner() string {
+	return d.owner
+}
+
+// IPAddresses implements Device.
+func (d *device) IPAddresses() []string {
+	return d.ipAddresses
+}
+
+// Zone implements Device.
+func (d *device) Zone() Zone {
+	if d.zone == nil {
+		return nil
+	}
+	return d.zone
+}
+
+// InterfaceSet implements Device.
+func (d *device) InterfaceSet() []Interface {
+	result := make([]Interface, len(d.interfaceSet))
+	for i, v := range d.interfaceSet {
+		v.controller = d.controller
+		result[i] = v
+	}
+	return result
+}
+
+// CreateInterfaceArgs is an argument struct for passing parameters to
+// the Machine.CreateInterface method.
+type CreateInterfaceArgs struct {
+	// Name of the interface (required).
+	Name string
+	// MACAddress is the MAC address of the interface (required).
+	MACAddress string
+	// VLAN is the untagged VLAN the interface is connected to (required).
+	VLAN VLAN
+	// Tags to attach to the interface (optional).
+	Tags []string
+	// MTU - Maximum transmission unit. (optional)
+	MTU int
+	// AcceptRA - Accept router advertisements. (IPv6 only)
+	AcceptRA bool
+	// Autoconf - Perform stateless autoconfiguration. (IPv6 only)
+	Autoconf bool
+}
+
+// Validate checks the required fields are set for the arg structure.
+func (a *CreateInterfaceArgs) Validate() error {
+	if a.Name == "" {
+		return errors.NotValidf("missing Name")
+	}
+	if a.MACAddress == "" {
+		return errors.NotValidf("missing MACAddress")
+	}
+	if a.VLAN == nil {
+		return errors.NotValidf("missing VLAN")
+	}
+	return nil
+}
+
+// interfacesURI used to add interfaces for this device. The operations
+// are on the nodes endpoint, not devices.
+func (d *device) interfacesURI() string {
+	return strings.Replace(d.resourceURI, "devices", "nodes", 1) + "interfaces/"
+}
+
+// CreateInterface implements Device.
+func (d *device) CreateInterface(args CreateInterfaceArgs) (Interface, error) {
+	if err := args.Validate(); err != nil {
+		return nil, errors.Trace(err)
+	}
+	params := NewURLParams()
+	params.Values.Add("name", args.Name)
+	params.Values.Add("mac_address", args.MACAddress)
+	params.Values.Add("vlan", fmt.Sprint(args.VLAN.ID()))
+	params.MaybeAdd("tags", strings.Join(args.Tags, ","))
+	params.MaybeAddInt("mtu", args.MTU)
+	params.MaybeAddBool("accept_ra", args.AcceptRA)
+	params.MaybeAddBool("autoconf", args.Autoconf)
+	result, err := d.controller.post(d.interfacesURI(), "create_physical", params.Values)
+	if err != nil {
+		if svrErr, ok := errors.Cause(err).(ServerError); ok {
+			switch svrErr.StatusCode {
+			case http.StatusNotFound, http.StatusConflict:
+				return nil, errors.Wrap(err, NewBadRequestError(svrErr.BodyMessage))
+			case http.StatusForbidden:
+				return nil, errors.Wrap(err, NewPermissionError(svrErr.BodyMessage))
+			case http.StatusServiceUnavailable:
+				return nil, errors.Wrap(err, NewCannotCompleteError(svrErr.BodyMessage))
+			}
+		}
+		return nil, NewUnexpectedError(err)
+	}
+
+	iface, err := readInterface(d.controller.apiVersion, result)
+	if err != nil {
+		return nil, errors.Trace(err)
+	}
+	iface.controller = d.controller
+
+	// TODO: add to the interfaces for the device when the interfaces are returned.
+	// lp:bug 1567213.
+	return iface, nil
+}
+
+// Delete implements Device.
+func (d *device) Delete() error {
+	err := d.controller.delete(d.resourceURI)
+	if err != nil {
+		if svrErr, ok := errors.Cause(err).(ServerError); ok {
+			switch svrErr.StatusCode {
+			case http.StatusNotFound:
+				return errors.Wrap(err, NewNoMatchError(svrErr.BodyMessage))
+			case http.StatusForbidden:
+				return errors.Wrap(err, NewPermissionError(svrErr.BodyMessage))
+			}
+		}
+		return NewUnexpectedError(err)
+	}
+	return nil
+}
+
+func readDevice(controllerVersion version.Number, source interface{}) (*device, error) {
+	readFunc, err := getDeviceDeserializationFunc(controllerVersion)
+	if err != nil {
+		return nil, errors.Trace(err)
+	}
+
+	checker := schema.StringMap(schema.Any())
+	coerced, err := checker.Coerce(source, nil)
+	if err != nil {
+		return nil, WrapWithDeserializationError(err, "device base schema check failed")
+	}
+	valid := coerced.(map[string]interface{})
+	return readFunc(valid)
+}
+
+func readDevices(controllerVersion version.Number, source interface{}) ([]*device, error) {
+	readFunc, err := getDeviceDeserializationFunc(controllerVersion)
+	if err != nil {
+		return nil, errors.Trace(err)
+	}
+
+	checker := schema.List(schema.StringMap(schema.Any()))
+	coerced, err := checker.Coerce(source, nil)
+	if err != nil {
+		return nil, WrapWithDeserializationError(err, "device base schema check failed")
+	}
+	valid := coerced.([]interface{})
+	return readDeviceList(valid, readFunc)
+}
+
+func getDeviceDeserializationFunc(controllerVersion version.Number) (deviceDeserializationFunc, error) {
+	var deserialisationVersion version.Number
+	for v := range deviceDeserializationFuncs {
+		if v.Compare(deserialisationVersion) > 0 && v.Compare(controllerVersion) <= 0 {
+			deserialisationVersion = v
+		}
+	}
+	if deserialisationVersion == version.Zero {
+		return nil, NewUnsupportedVersionError("no device read func for version %s", controllerVersion)
+	}
+	return deviceDeserializationFuncs[deserialisationVersion], nil
+}
+
+// readDeviceList expects the values of the sourceList to be string maps.
+func readDeviceList(sourceList []interface{}, readFunc deviceDeserializationFunc) ([]*device, error) {
+	result := make([]*device, 0, len(sourceList))
+	for i, value := range sourceList {
+		source, ok := value.(map[string]interface{})
+		if !ok {
+			return nil, NewDeserializationError("unexpected value for device %d, %T", i, value)
+		}
+		device, err := readFunc(source)
+		if err != nil {
+			return nil, errors.Annotatef(err, "device %d", i)
+		}
+		result = append(result, device)
+	}
+	return result, nil
+}
+
+type deviceDeserializationFunc func(map[string]interface{}) (*device, error)
+
+var deviceDeserializationFuncs = map[version.Number]deviceDeserializationFunc{
+	twoDotOh: device_2_0,
+}
+
+func device_2_0(source map[string]interface{}) (*device, error) {
+	fields := schema.Fields{
+		"resource_uri": schema.String(),
+
+		"system_id": schema.String(),
+		"hostname":  schema.String(),
+		"fqdn":      schema.String(),
+		"parent":    schema.OneOf(schema.Nil(""), schema.String()),
+		"owner":     schema.OneOf(schema.Nil(""), schema.String()),
+
+		"ip_addresses":  schema.List(schema.String()),
+		"interface_set": schema.List(schema.StringMap(schema.Any())),
+		"zone":          schema.StringMap(schema.Any()),
+	}
+	defaults := schema.Defaults{
+		"owner":  "",
+		"parent": "",
+	}
+	checker := schema.FieldMap(fields, defaults)
+	coerced, err := checker.Coerce(source, nil)
+	if err != nil {
+		return nil, WrapWithDeserializationError(err, "device 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.
+
+	interfaceSet, err := readInterfaceList(valid["interface_set"].([]interface{}), interface_2_0)
+	if err != nil {
+		return nil, errors.Trace(err)
+	}
+	zone, err := zone_2_0(valid["zone"].(map[string]interface{}))
+	if err != nil {
+		return nil, errors.Trace(err)
+	}
+	owner, _ := valid["owner"].(string)
+	parent, _ := valid["parent"].(string)
+	result := &device{
+		resourceURI: valid["resource_uri"].(string),
+
+		systemID: valid["system_id"].(string),
+		hostname: valid["hostname"].(string),
+		fqdn:     valid["fqdn"].(string),
+		parent:   parent,
+		owner:    owner,
+
+		ipAddresses:  convertToStringSlice(valid["ip_addresses"]),
+		interfaceSet: interfaceSet,
+		zone:         zone,
+	}
+	return result, nil
+}