2023-12-22 20:57:52 +00:00
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// Copyright 2016-2023, 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 deploy
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import (
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"context"
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"testing"
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"github.com/pulumi/pulumi/sdk/v3/go/common/util/contract"
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"github.com/stretchr/testify/assert"
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)
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func TestErrorSource(t *testing.T) {
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t.Parallel()
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t.Run("Close is nil", func(t *testing.T) {
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t.Parallel()
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s := &errorSource{}
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assert.NoError(t, s.Close())
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// Ensure idempotent.
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assert.NoError(t, s.Close())
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})
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t.Run("Info is nil", func(t *testing.T) {
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t.Parallel()
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s := &errorSource{}
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assert.Nil(t, s.Info())
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})
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t.Run("Iterate panics", func(t *testing.T) {
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t.Parallel()
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s := &errorSource{}
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assert.Panics(t, func() {
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Clean up deployment options (#16357)
# Description
There are a number of parts of the deployment process that require
context about and configuration for the operation being executed. For
instance:
* Source evaluation -- evaluating programs in order to emit resource
registrations
* Step generation -- processing resource registrations in order to
generate steps (create this, update that, delete the other, etc.)
* Step execution -- executing steps in order to action a deployment.
Presently, these pieces all take some form of `Options` struct or pass
explicit arguments. This is problematic for a couple of reasons:
* It could be possible for different parts of the codebase to end up
operating in different contexts/with different configurations, whether
due to different values being passed explicitly or due to missed
copying/instantiation.
* Some parts need less context/configuration than others, but still
accept full `Options`, making it hard to discern what information is
actually necessary in any given part of the process.
This commit attempts to clean things up by moving deployment options
directly into the `Deployment` itself. Since step generation and
execution already refer to a `Deployment`, they get a consistent view of
the options for free. For source evaluation, we introduce an
`EvalSourceOptions` struct for configuring just the options necessary
there. At the top level, the engine configures a single set of options
to flow through the deployment steps later on.
As part of this work, a few other things have been changed:
* Preview/dry-run parameters have been incorporated into options. This
lets up lop off another argument and mitigate a bit of "boolean
blindness". We don't appear to flip this flag within a deployment
process (indeed, all options seem to be immutable) and so having it as a
separate flag doesn't seem to buy us anything.
* Several methods representing parts of the deployment process have lost
arguments in favour of state that is already being carried on (or can be
carried on) their receiver. For instance, `deployment.run` no longer
takes actions or preview configuration. While doing so means that a
`deployment` could be run multiple times with different actions/preview
arguments, we don't currently exploit this fact anywhere, so moving this
state to the point of construction both simplifies things considerably
and reduces the possibility for error (e.g. passing different values of
`preview` when instantiating a `deployment` and subsequently calling
`run`).
* Event handlers have been split out of the options object and attached
to `Deployment` separately. This means we can talk about options at a
higher level without having to `nil` out/worry about this field and
mutate it correctly later on.
* Options are no longer mutated during deployment. Presently there
appears to be only one case of this -- when handling `ContinueOnError`
in the presence of `IgnoreChanges` (e.g. when performing a refresh).
This case has been refactored so that the mutation is no longer
necessary.
# Notes
* This change is in preparation for #16146, where we'd like to add an
environment variable to control behaviour and having a single unified
`Options` struct would make it easier to pass this configuration down
with introducing (more) global state into deployments. Indeed, this
change should make it easier to factor global state into `Options` so
that it can be controlled and tested more easily/is less susceptible to
bugs, race conditions, etc.
* I've tweaked/extended some comments while I'm here and have learned
things the hard way (e.g. `Refresh` vs `isRefresh`). Feedback welcome on
this if we'd rather not conflate.
* This change does mean that if in future we wanted e.g. to be able to
run a `Deployment` in multiple different ways with multiple sets of
actions, we'd have to refactor. Pushing state to the point of object
construction reduces the flexibility of the code. However, since we are
not presently using that flexibility (nor is there an obvious [to my
mind] use case in the near future), this seems like a good trade-off to
guard against bugs/make it simpler to move that state around.
* I've left some other review comments in the code around
questions/changes that might be a bad idea; happy to receive feedback on
it all though!
2024-06-11 13:37:57 +00:00
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_, err := s.Iterate(context.Background(), nil)
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2023-12-22 20:57:52 +00:00
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contract.Ignore(err)
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})
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})
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}
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