We signal provider cancellation by hangning a goroutine off of the plan executor's parent context. To ensure clean shutdown, this goroutine also listens on a channel that closes once the plan has finished executing. Unfortunately, we were closing this channel too early, and the close was racing with the cancellation signal. These changes ensure that the channel closes after the plan has fully completed. Fixes #1906. Fixes pulumi/pulumi-kubernetes#185.
150 lines
4.8 KiB
Go
150 lines
4.8 KiB
Go
// Copyright 2016-2018, Pulumi Corporation.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package deploytest
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import (
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"github.com/blang/semver"
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uuid "github.com/satori/go.uuid"
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"github.com/pulumi/pulumi/pkg/resource"
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"github.com/pulumi/pulumi/pkg/resource/plugin"
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"github.com/pulumi/pulumi/pkg/tokens"
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"github.com/pulumi/pulumi/pkg/util/contract"
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"github.com/pulumi/pulumi/pkg/workspace"
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)
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type Provider struct {
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Name string
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Package tokens.Package
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Version semver.Version
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configured bool
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CheckConfigF func(olds, news resource.PropertyMap) (resource.PropertyMap, []plugin.CheckFailure, error)
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DiffConfigF func(olds, news resource.PropertyMap) (plugin.DiffResult, error)
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ConfigureF func(news resource.PropertyMap) error
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CheckF func(urn resource.URN,
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olds, news resource.PropertyMap) (resource.PropertyMap, []plugin.CheckFailure, error)
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DiffF func(urn resource.URN, id resource.ID, olds, news resource.PropertyMap) (plugin.DiffResult, error)
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CreateF func(urn resource.URN,
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inputs resource.PropertyMap) (resource.ID, resource.PropertyMap, resource.Status, error)
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UpdateF func(urn resource.URN, id resource.ID,
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olds, news resource.PropertyMap) (resource.PropertyMap, resource.Status, error)
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DeleteF func(urn resource.URN, id resource.ID, olds resource.PropertyMap) (resource.Status, error)
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ReadF func(urn resource.URN, id resource.ID,
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props resource.PropertyMap) (resource.PropertyMap, resource.Status, error)
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InvokeF func(tok tokens.ModuleMember,
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inputs resource.PropertyMap) (resource.PropertyMap, []plugin.CheckFailure, error)
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CancelF func() error
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}
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func (prov *Provider) SignalCancellation() error {
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if prov.CancelF == nil {
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return nil
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}
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return prov.CancelF()
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}
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func (prov *Provider) Close() error {
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return nil
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}
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func (prov *Provider) Pkg() tokens.Package {
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return prov.Package
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}
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func (prov *Provider) GetPluginInfo() (workspace.PluginInfo, error) {
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return workspace.PluginInfo{
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Name: prov.Name,
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Version: &prov.Version,
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}, nil
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}
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func (prov *Provider) CheckConfig(olds,
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news resource.PropertyMap) (resource.PropertyMap, []plugin.CheckFailure, error) {
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if prov.CheckConfigF == nil {
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return news, nil, nil
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}
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return prov.CheckConfigF(olds, news)
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}
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func (prov *Provider) DiffConfig(olds, news resource.PropertyMap) (plugin.DiffResult, error) {
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if prov.DiffConfigF == nil {
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return plugin.DiffResult{}, nil
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}
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return prov.DiffConfigF(olds, news)
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}
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func (prov *Provider) Configure(inputs resource.PropertyMap) error {
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contract.Assert(!prov.configured)
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prov.configured = true
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if prov.ConfigureF == nil {
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return nil
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}
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return prov.ConfigureF(inputs)
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}
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func (prov *Provider) Check(urn resource.URN,
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olds, news resource.PropertyMap, _ bool) (resource.PropertyMap, []plugin.CheckFailure, error) {
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if prov.CheckF == nil {
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return news, nil, nil
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}
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return prov.CheckF(urn, olds, news)
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}
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func (prov *Provider) Create(urn resource.URN, props resource.PropertyMap) (resource.ID,
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resource.PropertyMap, resource.Status, error) {
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if prov.CreateF == nil {
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return resource.ID(uuid.NewV4().String()), resource.PropertyMap{}, resource.StatusOK, nil
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}
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return prov.CreateF(urn, props)
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}
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func (prov *Provider) Diff(urn resource.URN, id resource.ID,
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olds resource.PropertyMap, news resource.PropertyMap, _ bool) (plugin.DiffResult, error) {
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if prov.DiffF == nil {
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return plugin.DiffResult{}, nil
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}
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return prov.DiffF(urn, id, olds, news)
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}
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func (prov *Provider) Update(urn resource.URN, id resource.ID,
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olds resource.PropertyMap, news resource.PropertyMap) (resource.PropertyMap, resource.Status, error) {
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if prov.UpdateF == nil {
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return resource.PropertyMap{}, resource.StatusOK, nil
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}
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return prov.UpdateF(urn, id, olds, news)
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}
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func (prov *Provider) Delete(urn resource.URN,
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id resource.ID, props resource.PropertyMap) (resource.Status, error) {
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if prov.DeleteF == nil {
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return resource.StatusOK, nil
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}
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return prov.DeleteF(urn, id, props)
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}
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func (prov *Provider) Read(urn resource.URN, id resource.ID,
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props resource.PropertyMap) (resource.PropertyMap, resource.Status, error) {
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if prov.ReadF == nil {
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return resource.PropertyMap{}, resource.StatusUnknown, nil
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}
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return prov.ReadF(urn, id, props)
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}
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func (prov *Provider) Invoke(tok tokens.ModuleMember,
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args resource.PropertyMap) (resource.PropertyMap, []plugin.CheckFailure, error) {
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if prov.InvokeF == nil {
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return resource.PropertyMap{}, nil, nil
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}
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return prov.InvokeF(tok, args)
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}
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