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

	configured bool

	CheckConfigF func(olds, news resource.PropertyMap) (resource.PropertyMap, []plugin.CheckFailure, error)
	DiffConfigF  func(olds, news resource.PropertyMap) (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) (plugin.DiffResult, error)
	CreateF func(urn resource.URN,
		inputs resource.PropertyMap) (resource.ID, resource.PropertyMap, resource.Status, error)
	UpdateF func(urn resource.URN, id resource.ID,
		olds, news resource.PropertyMap) (resource.PropertyMap, resource.Status, error)
	DeleteF func(urn resource.URN, id resource.ID, olds resource.PropertyMap) (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) GetPluginInfo() (workspace.PluginInfo, error) {
	return workspace.PluginInfo{
		Name:    prov.Name,
		Version: &prov.Version,
	}, nil
}

func (prov *Provider) CheckConfig(olds,
	news resource.PropertyMap) (resource.PropertyMap, []plugin.CheckFailure, error) {
	if prov.CheckConfigF == nil {
		return news, nil, nil
	}
	return prov.CheckConfigF(olds, news)
}
func (prov *Provider) DiffConfig(olds, news resource.PropertyMap) (plugin.DiffResult, error) {
	if prov.DiffConfigF == nil {
		return plugin.DiffResult{}, nil
	}
	return prov.DiffConfigF(olds, news)
}
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) (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)
}
func (prov *Provider) Diff(urn resource.URN, id resource.ID,
	olds resource.PropertyMap, news resource.PropertyMap, _ bool) (plugin.DiffResult, error) {
	if prov.DiffF == nil {
		return plugin.DiffResult{}, nil
	}
	return prov.DiffF(urn, id, olds, news)
}
func (prov *Provider) Update(urn resource.URN, id resource.ID,
	olds resource.PropertyMap, news resource.PropertyMap) (resource.PropertyMap, resource.Status, error) {
	if prov.UpdateF == nil {
		return news, resource.StatusOK, nil
	}
	return prov.UpdateF(urn, id, olds, news)
}
func (prov *Provider) Delete(urn resource.URN,
	id resource.ID, props resource.PropertyMap) (resource.Status, error) {
	if prov.DeleteF == nil {
		return resource.StatusOK, nil
	}
	return prov.DeleteF(urn, id, props)
}

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)
}