This change implements the same preview behavior we have for cloud stacks, in pkg/backend/httpbe, for local stacks, in pkg/backend/filebe. This mostly required just refactoring bits and pieces so that we can share more of the code, although it does still entail quite a bit of redundancy. In particular, the apply functions for both backends are now so close to being unified, but still require enough custom logic that it warrants keeping them separate (for now...)
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 httpstate
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import (
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"context"
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"fmt"
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"github.com/pkg/errors"
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"github.com/pulumi/pulumi/pkg/apitype"
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"github.com/pulumi/pulumi/pkg/backend"
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"github.com/pulumi/pulumi/pkg/engine"
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"github.com/pulumi/pulumi/pkg/operations"
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"github.com/pulumi/pulumi/pkg/resource/config"
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"github.com/pulumi/pulumi/pkg/resource/deploy"
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"github.com/pulumi/pulumi/pkg/tokens"
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)
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// Stack is a cloud stack. This simply adds some cloud-specific properties atop the standard backend stack interface.
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type Stack interface {
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backend.Stack
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CloudURL() string // the URL to the cloud containing this stack.
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OrgName() string // the organization that owns this stack.
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ConsoleURL() (string, error) // the URL to view the stack's information on Pulumi.com
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}
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type cloudBackendReference struct {
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name tokens.QName
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owner string
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b *cloudBackend
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}
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func (c cloudBackendReference) String() string {
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curUser, err := c.b.client.GetPulumiAccountName(context.Background())
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if err != nil {
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curUser = ""
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}
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if c.owner == curUser {
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return string(c.name)
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}
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return fmt.Sprintf("%s/%s", c.owner, c.name)
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}
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func (c cloudBackendReference) Name() tokens.QName {
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return c.name
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}
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// cloudStack is a cloud stack descriptor.
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type cloudStack struct {
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ref backend.StackReference // the stack's ref (unique name).
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cloudURL string // the URL to the cloud containing this stack.
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orgName string // the organization that owns this stack.
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config config.Map // the stack's config bag.
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snapshot **deploy.Snapshot // a snapshot representing the latest deployment state (allocated on first use)
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b *cloudBackend // a pointer to the backend this stack belongs to.
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}
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func newStack(apistack apitype.Stack, b *cloudBackend) Stack {
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// Now assemble all the pieces into a stack structure.
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return &cloudStack{
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ref: cloudBackendReference{
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owner: apistack.OrgName,
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name: apistack.StackName,
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b: b,
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},
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cloudURL: b.CloudURL(),
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orgName: apistack.OrgName,
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config: nil, // TODO[pulumi/pulumi-service#249]: add the config variables.
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snapshot: nil, // We explicitly allocate the snapshot on first use, since it is expensive to compute.
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b: b,
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}
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}
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func (s *cloudStack) Ref() backend.StackReference { return s.ref }
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func (s *cloudStack) Config() config.Map { return s.config }
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func (s *cloudStack) Backend() backend.Backend { return s.b }
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func (s *cloudStack) CloudURL() string { return s.cloudURL }
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func (s *cloudStack) OrgName() string { return s.orgName }
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func (s *cloudStack) Snapshot(ctx context.Context) (*deploy.Snapshot, error) {
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if s.snapshot != nil {
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return *s.snapshot, nil
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}
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snap, err := s.b.getSnapshot(ctx, s.ref)
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if err != nil {
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return nil, err
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}
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s.snapshot = &snap
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return *s.snapshot, nil
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}
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func (s *cloudStack) Remove(ctx context.Context, force bool) (bool, error) {
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return backend.RemoveStack(ctx, s, force)
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}
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func (s *cloudStack) Preview(ctx context.Context, op backend.UpdateOperation) (engine.ResourceChanges, error) {
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return backend.PreviewStack(ctx, s, op)
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}
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func (s *cloudStack) Update(ctx context.Context, op backend.UpdateOperation) (engine.ResourceChanges, error) {
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return backend.UpdateStack(ctx, s, op)
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}
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func (s *cloudStack) Refresh(ctx context.Context, op backend.UpdateOperation) (engine.ResourceChanges, error) {
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return backend.RefreshStack(ctx, s, op)
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}
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func (s *cloudStack) Destroy(ctx context.Context, op backend.UpdateOperation) (engine.ResourceChanges, error) {
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return backend.DestroyStack(ctx, s, op)
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}
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func (s *cloudStack) GetLogs(ctx context.Context, query operations.LogQuery) ([]operations.LogEntry, error) {
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return backend.GetStackLogs(ctx, s, query)
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}
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func (s *cloudStack) ExportDeployment(ctx context.Context) (*apitype.UntypedDeployment, error) {
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return backend.ExportStackDeployment(ctx, s)
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}
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func (s *cloudStack) ImportDeployment(ctx context.Context, deployment *apitype.UntypedDeployment) error {
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return backend.ImportStackDeployment(ctx, s, deployment)
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}
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func (s *cloudStack) ConsoleURL() (string, error) {
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path, err := s.b.StackConsoleURL(s.ref)
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if err != nil {
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return "", nil
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}
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url := s.b.CloudConsoleURL(path)
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if url == "" {
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return "", errors.New("could not determine clould console URL")
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}
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return url, nil
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}
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