pulumi/pkg/resource/deploy/deploytest/provider.go

// Copyright 2016-2018, Pulumi Corporation.
//
// Licensed 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 deploytest

import (
	"github.com/blang/semver"
	uuid "github.com/satori/go.uuid"

	"github.com/pulumi/pulumi/pkg/resource"
	"github.com/pulumi/pulumi/pkg/resource/plugin"
	"github.com/pulumi/pulumi/pkg/tokens"
	"github.com/pulumi/pulumi/pkg/util/contract"
	"github.com/pulumi/pulumi/pkg/workspace"
)

type Provider struct {
	Name    string
	Package tokens.Package
	Version semver.Version
	DryRun  bool

	configured bool

	CheckConfigF func(urn resource.URN, olds,
		news resource.PropertyMap, allowUnknowns bool) (resource.PropertyMap, []plugin.CheckFailure, error)
	DiffConfigF func(urn resource.URN, olds, news resource.PropertyMap,
		ignoreChanges []string) (plugin.DiffResult, error)
	ConfigureF func(news resource.PropertyMap) error

	CheckF func(urn resource.URN,
		olds, news resource.PropertyMap) (resource.PropertyMap, []plugin.CheckFailure, error)
	DiffF func(urn resource.URN, id resource.ID, olds, news resource.PropertyMap,
		ignoreChanges []string) (plugin.DiffResult, error)
	CreateF func(urn resource.URN,
		inputs resource.PropertyMap, timeout float64,
		dryRun bool) (resource.ID, resource.PropertyMap, resource.Status, error)
	UpdateF func(urn resource.URN, id resource.ID, olds, news resource.PropertyMap,
		timeout float64, ignoreChanges []string, dryRun bool) (resource.PropertyMap, resource.Status, error)
	DeleteF func(urn resource.URN, id resource.ID, olds resource.PropertyMap, timeout float64) (resource.Status, error)

	ReadF func(urn resource.URN, id resource.ID,
		inputs, state resource.PropertyMap) (plugin.ReadResult, resource.Status, error)
	InvokeF func(tok tokens.ModuleMember,
		inputs resource.PropertyMap) (resource.PropertyMap, []plugin.CheckFailure, error)

	CancelF func() error
}

func (prov *Provider) SignalCancellation() error {
	if prov.CancelF == nil {
		return nil
	}
	return prov.CancelF()
}

func (prov *Provider) Close() error {
	return nil
}

func (prov *Provider) Pkg() tokens.Package {
	return prov.Package
}

func (prov *Provider) SupportsDryRun() bool {
	return prov.DryRun
}

func (prov *Provider) GetPluginInfo() (workspace.PluginInfo, error) {
	return workspace.PluginInfo{
		Name:    prov.Name,
		Version: &prov.Version,
	}, nil
}

func (prov *Provider) CheckConfig(urn resource.URN, olds,
	news resource.PropertyMap, allowUnknowns bool) (resource.PropertyMap, []plugin.CheckFailure, error) {
	if prov.CheckConfigF == nil {
		return news, nil, nil
	}
	return prov.CheckConfigF(urn, olds, news, allowUnknowns)
}
func (prov *Provider) DiffConfig(urn resource.URN, olds, news resource.PropertyMap, _ bool,
	ignoreChanges []string) (plugin.DiffResult, error) {
	if prov.DiffConfigF == nil {
		return plugin.DiffResult{}, nil
	}
	return prov.DiffConfigF(urn, olds, news, ignoreChanges)
}
func (prov *Provider) Configure(inputs resource.PropertyMap) error {
	contract.Assert(!prov.configured)
	prov.configured = true

	if prov.ConfigureF == nil {
		return nil
	}
	return prov.ConfigureF(inputs)
}

func (prov *Provider) Check(urn resource.URN,
	olds, news resource.PropertyMap, _ bool) (resource.PropertyMap, []plugin.CheckFailure, error) {
	if prov.CheckF == nil {
		return news, nil, nil
	}
	return prov.CheckF(urn, olds, news)
}
func (prov *Provider) Create(urn resource.URN, props resource.PropertyMap, timeout float64, dryRun bool) (resource.ID,
	resource.PropertyMap, resource.Status, error) {
	if prov.CreateF == nil {
		return resource.ID(uuid.NewV4().String()), resource.PropertyMap{}, resource.StatusOK, nil
	}
	return prov.CreateF(urn, props, timeout, dryRun)
}
func (prov *Provider) Diff(urn resource.URN, id resource.ID,
	olds resource.PropertyMap, news resource.PropertyMap, _ bool, ignoreChanges []string) (plugin.DiffResult, error) {
	if prov.DiffF == nil {
		return plugin.DiffResult{}, nil
	}
	return prov.DiffF(urn, id, olds, news, ignoreChanges)
}
func (prov *Provider) Update(urn resource.URN, id resource.ID, olds resource.PropertyMap, news resource.PropertyMap,
	timeout float64, ignoreChanges []string, dryRun bool) (resource.PropertyMap, resource.Status, error) {
	if prov.UpdateF == nil {
		return news, resource.StatusOK, nil
	}
	return prov.UpdateF(urn, id, olds, news, timeout, ignoreChanges, dryRun)
}
func (prov *Provider) Delete(urn resource.URN,
	id resource.ID, props resource.PropertyMap, timeout float64) (resource.Status, error) {
	if prov.DeleteF == nil {
		return resource.StatusOK, nil
	}
	return prov.DeleteF(urn, id, props, timeout)
}

func (prov *Provider) Read(urn resource.URN, id resource.ID,
	inputs, state resource.PropertyMap) (plugin.ReadResult, resource.Status, error) {
	if prov.ReadF == nil {
		return plugin.ReadResult{
			Outputs: resource.PropertyMap{},
			Inputs:  resource.PropertyMap{},
		}, resource.StatusUnknown, nil
	}
	return prov.ReadF(urn, id, inputs, state)
}
func (prov *Provider) Invoke(tok tokens.ModuleMember,
	args resource.PropertyMap) (resource.PropertyMap, []plugin.CheckFailure, error) {
	if prov.InvokeF == nil {
		return resource.PropertyMap{}, nil, nil
	}
	return prov.InvokeF(tok, args)
}