62 lines
2.2 KiB
Go
62 lines
2.2 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 engine
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import (
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"github.com/pulumi/pulumi/pkg/resource/deploy"
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"github.com/pulumi/pulumi/pkg/resource/plugin"
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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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func Refresh(u UpdateInfo, ctx *Context, opts UpdateOptions, dryRun bool) (ResourceChanges, error) {
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contract.Require(u != nil, "u")
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contract.Require(ctx != nil, "ctx")
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defer func() { ctx.Events <- cancelEvent() }()
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info, err := newPlanContext(u, "refresh", ctx.ParentSpan)
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if err != nil {
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return nil, err
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}
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defer info.Close()
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emitter := makeEventEmitter(ctx.Events, u)
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return update(ctx, info, planOptions{
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UpdateOptions: opts,
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SkipOutputs: true, // refresh is exclusively about outputs
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SourceFunc: newRefreshSource,
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Events: emitter,
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Diag: newEventSink(emitter),
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}, dryRun)
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}
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func newRefreshSource(opts planOptions, proj *workspace.Project, pwd, main string,
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target *deploy.Target, plugctx *plugin.Context, dryRun bool) (deploy.Source, error) {
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// First, consult the manifest for the plugins we will need to ask to refresh the state.
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if target != nil && target.Snapshot != nil {
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// We don't need the language plugin, since refresh doesn't run code, so we will leave that out.
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kinds := plugin.AllPlugins & ^plugin.LanguagePlugins
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if err := plugctx.Host.EnsurePlugins(target.Snapshot.Manifest.Plugins, kinds); err != nil {
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return nil, err
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}
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}
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// Now create a refresh source. This source simply loads up the current checkpoint state, enumerates it,
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// and refreshes each state with the current cloud provider's view of it.
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return deploy.NewRefreshSource(plugctx, proj, target, dryRun), nil
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}
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