// 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 engine import ( "context" "github.com/pulumi/pulumi/pkg/v3/display" "github.com/pulumi/pulumi/pkg/v3/resource/deploy" "github.com/pulumi/pulumi/sdk/v3/go/common/resource/plugin" "github.com/pulumi/pulumi/sdk/v3/go/common/util/contract" "github.com/pulumi/pulumi/sdk/v3/go/common/util/logging" "github.com/pulumi/pulumi/sdk/v3/go/common/workspace" ) func Destroy( u UpdateInfo, ctx *Context, opts UpdateOptions, dryRun bool, ) (*deploy.Plan, display.ResourceChanges, error) { contract.Requiref(u != nil, "u", "cannot be nil") contract.Requiref(ctx != nil, "ctx", "cannot be nil") defer func() { ctx.Events <- NewCancelEvent() }() info, err := newDeploymentContext(u, "destroy", ctx.ParentSpan) if err != nil { return nil, nil, err } defer info.Close() emitter, err := makeEventEmitter(ctx.Events, u) if err != nil { return nil, nil, err } defer emitter.Close() logging.V(7).Infof("*** Starting Destroy(preview=%v) ***", dryRun) defer logging.V(7).Infof("*** Destroy(preview=%v) complete ***", dryRun) if err := checkTargets(opts.Targets, u.GetTarget().Snapshot); err != nil { return nil, nil, err } return update(ctx, info, &deploymentOptions{ UpdateOptions: opts, SourceFunc: newDestroySource, Events: emitter, Diag: newEventSink(emitter, false), StatusDiag: newEventSink(emitter, true), DryRun: dryRun, }) } func newDestroySource( ctx context.Context, client deploy.BackendClient, opts *deploymentOptions, proj *workspace.Project, pwd, main, projectRoot string, target *deploy.Target, plugctx *plugin.Context, ) (deploy.Source, error) { // Like Update, we need to gather the set of plugins necessary to delete everything in the snapshot. // Unlike Update, we don't actually run the user's program so we only need the set of plugins described // in the snapshot. plugins, err := gatherPluginsFromSnapshot(plugctx, target) if err != nil { return nil, err } // Like Update, if we're missing plugins, attempt to download the missing plugins. if err := ensurePluginsAreInstalled(ctx, plugctx.Diag, plugins.Deduplicate(), plugctx.Host.GetProjectPlugins()); err != nil { logging.V(7).Infof("newDestroySource(): failed to install missing plugins: %v", err) } // We don't need the language plugin, since destroy doesn't run code, so we will leave that out. if err := ensurePluginsAreLoaded(plugctx, plugins, plugin.AnalyzerPlugins); err != nil { return nil, err } // Create a nil source. This simply returns "nothing" as the new state, which will cause the // engine to destroy the entire existing state. return deploy.NewNullSource(proj.Name), nil }