6b2408e086
This change guts the deployment planning and execution process, a necessary component of pulumi/lumi#90. The major effect of this change is that resources are actually connected to the live objects, instead of being snapshots taken at inopportune moments in time.
88 lines
2.7 KiB
Go
88 lines
2.7 KiB
Go
// Licensed to Pulumi Corporation ("Pulumi") under one or more
|
|
// contributor license agreements. See the NOTICE file distributed with
|
|
// this work for additional information regarding copyright ownership.
|
|
// Pulumi licenses this file to You under the Apache License, Version 2.0
|
|
// (the "License"); you may not use this file except in compliance with
|
|
// the License. You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package resource
|
|
|
|
import (
|
|
"crypto/rand"
|
|
"encoding/hex"
|
|
|
|
"github.com/pulumi/lumi/pkg/eval/rt"
|
|
"github.com/pulumi/lumi/pkg/util/contract"
|
|
)
|
|
|
|
// ID is a unique resource identifier; it is managed by the provider and is mostly opaque to Lumi.
|
|
type ID string
|
|
|
|
// String converts a resource ID into a string.
|
|
func (id ID) String() string {
|
|
return string(id)
|
|
}
|
|
|
|
// StringPtr converts an optional ID into an optional string.
|
|
func (id *ID) StringPtr() *string {
|
|
if id == nil {
|
|
return nil
|
|
}
|
|
ids := (*id).String()
|
|
return &ids
|
|
}
|
|
|
|
// IDStrings turns an array of resource IDs into an array of strings.
|
|
func IDStrings(ids []ID) []string {
|
|
ss := make([]string, len(ids))
|
|
for i, id := range ids {
|
|
ss[i] = id.String()
|
|
}
|
|
return ss
|
|
}
|
|
|
|
// MaybeID turns an optional string into an optional resource ID.
|
|
func MaybeID(s *string) *ID {
|
|
var ret *ID
|
|
if s != nil {
|
|
id := ID(*s)
|
|
ret = &id
|
|
}
|
|
return ret
|
|
}
|
|
|
|
const (
|
|
// IDProperty is the special ID property name.
|
|
IDProperty = rt.PropertyKey("id")
|
|
// IDPropertyKey is the special ID property name for resource maps.
|
|
IDPropertyKey = PropertyKey("id")
|
|
)
|
|
|
|
// NewUniqueHex generates a new "random" hex string for use by resource providers. It has the given optional prefix and
|
|
// the total length is capped to the maxlen. Note that capping to maxlen necessarily increases the risk of collisions.
|
|
func NewUniqueHex(prefix string, randlen, maxlen int) string {
|
|
bs := make([]byte, randlen)
|
|
n, err := rand.Read(bs)
|
|
contract.Assert(err == nil)
|
|
contract.Assert(n == len(bs))
|
|
|
|
str := prefix + hex.EncodeToString(bs)
|
|
if len(str) > maxlen {
|
|
str = str[:maxlen]
|
|
}
|
|
return str
|
|
}
|
|
|
|
// NewUniqueHexID generates a new "random" hex ID for use by resource providers. It has the given optional prefix and
|
|
// the total length is capped to the maxlen. Note that capping to maxlen necessarily increases the risk of collisions.
|
|
func NewUniqueHexID(prefix string, randlen, maxlen int) ID {
|
|
return ID(NewUniqueHex(prefix, randlen, maxlen))
|
|
}
|