pulumi/pkg/engine/lifecycletest/pending_replace_test.go

799 lines
26 KiB
Go

// Copyright 2024, 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 lifecycletest
import (
"context"
"errors"
"fmt"
"testing"
"github.com/blang/semver"
"github.com/stretchr/testify/assert"
. "github.com/pulumi/pulumi/pkg/v3/engine" //nolint:revive
lt "github.com/pulumi/pulumi/pkg/v3/engine/lifecycletest/framework"
"github.com/pulumi/pulumi/pkg/v3/resource/deploy/deploytest"
"github.com/pulumi/pulumi/sdk/v3/go/common/resource"
"github.com/pulumi/pulumi/sdk/v3/go/common/resource/plugin"
)
// Tests that a delete-before-replace operation:
//
// * that is interrupted during the deletion (e.g. with a failed operation)
// * when there are resources that depend on the resource being replaced
// * and then retried, with the same original program
//
// will:
//
// * successfully replace the resource and not violate any dependencies
func TestPendingReplaceFailureDoesNotViolateSnapshotIntegrity(t *testing.T) {
t.Parallel()
// Arrange.
p := &lt.TestPlan{}
project := p.GetProject()
diffsCalled := make(map[string]bool)
deletesCalled := make(map[string]bool)
createsCalled := make(map[string]bool)
replacingADiff := func(
_ context.Context,
req plugin.DiffRequest,
) (plugin.DiffResult, error) {
diffsCalled[req.URN.Name()] = true
if req.URN.Name() == "resA" {
return plugin.DiffResult{
Changes: plugin.DiffSome,
ReplaceKeys: []resource.PropertyKey{"key"},
DeleteBeforeReplace: true,
}, nil
} else if req.URN.Name() == "resB" {
return plugin.DiffResult{
Changes: plugin.DiffSome,
}, nil
}
return plugin.DiffResult{}, nil
}
throwingDelete := func(
_ context.Context,
req plugin.DeleteRequest,
) (plugin.DeleteResponse, error) {
deletesCalled[req.URN.Name()] = true
if req.URN.Name() == "resA" {
return plugin.DeleteResponse{Status: resource.StatusUnknown}, errors.New("interrupt replace")
}
return plugin.DeleteResponse{Status: resource.StatusOK}, nil
}
trackingDelete := func(
_ context.Context,
req plugin.DeleteRequest,
) (plugin.DeleteResponse, error) {
deletesCalled[req.URN.Name()] = true
return plugin.DeleteResponse{Status: resource.StatusOK}, nil
}
trackingCreateIDSuffix := "created-id"
trackingCreate := func(
_ context.Context,
req plugin.CreateRequest,
) (plugin.CreateResponse, error) {
createsCalled[req.URN.Name()] = true
return plugin.CreateResponse{
ID: resource.ID(fmt.Sprintf("%s-%s", req.URN.Name(), trackingCreateIDSuffix)),
Properties: req.Properties,
Status: resource.StatusOK,
}, nil
}
// Act.
// Operation 1 -- initialise the state with two resources, one with a
// dependency on the other.
upLoaders := []*deploytest.ProviderLoader{
deploytest.NewProviderLoader("pkgA", semver.MustParse("1.0.0"), func() (plugin.Provider, error) {
return &deploytest.Provider{}, nil
}),
}
programF := deploytest.NewLanguageRuntimeF(func(_ plugin.RunInfo, monitor *deploytest.ResourceMonitor) error {
resA, err := monitor.RegisterResource("pkgA:m:typA", "resA", true)
assert.NoError(t, err)
_, err = monitor.RegisterResource("pkgA:m:typA", "resB", true, deploytest.ResourceOptions{
Dependencies: []resource.URN{resA.URN},
})
assert.NoError(t, err)
return nil
})
upHostF := deploytest.NewPluginHostF(nil, nil, programF, upLoaders...)
upOptions := lt.TestUpdateOptions{T: t, HostF: upHostF}
upSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, nil), upOptions, false, p.BackendClient, nil, "0")
assert.NoError(t, err)
assert.Len(t, upSnap.Resources, 3)
assert.Equal(t, "default", upSnap.Resources[0].URN.Name())
assert.Equal(t, "resA", upSnap.Resources[1].URN.Name())
assert.Equal(t, "resB", upSnap.Resources[2].URN.Name())
// Operation 2 -- return a replacing diff and interrupt it with a failing
// delete.
replaceLoaders := []*deploytest.ProviderLoader{
deploytest.NewProviderLoader("pkgA", semver.MustParse("1.0.0"), func() (plugin.Provider, error) {
return &deploytest.Provider{
DiffF: replacingADiff,
DeleteF: throwingDelete,
}, nil
}),
}
replaceHostF := deploytest.NewPluginHostF(nil, nil, programF, replaceLoaders...)
replaceOptions := lt.TestUpdateOptions{T: t, HostF: replaceHostF}
replaceSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, upSnap), replaceOptions, false, p.BackendClient, nil, "1")
assert.ErrorContains(t, err, "interrupt replace")
assert.Len(t, replaceSnap.Resources, 3)
assert.Equal(t, "default", replaceSnap.Resources[0].URN.Name())
assert.Equal(t, "resA", replaceSnap.Resources[1].URN.Name())
assert.True(t, diffsCalled["resA"], "Diff should be called on resA")
assert.True(t, deletesCalled["resA"], "Delete should be called on resA as part of replacement of resA")
assert.False(
t, replaceSnap.Resources[1].PendingReplacement,
"resA should not be pending replacement following a failed deletion",
)
assert.Equal(t, "resB", replaceSnap.Resources[2].URN.Name())
// Operation 3 -- attempt the same update again, with the delete not failing
// this time. We still end up with 3 resources, but A has been replaced.
diffsCalled = make(map[string]bool)
deletesCalled = make(map[string]bool)
createsCalled = make(map[string]bool)
trackingCreateIDSuffix = "replaced-id"
retryLoaders := []*deploytest.ProviderLoader{
deploytest.NewProviderLoader("pkgA", semver.MustParse("1.0.0"), func() (plugin.Provider, error) {
return &deploytest.Provider{
DiffF: replacingADiff,
DeleteF: trackingDelete,
CreateF: trackingCreate,
}, nil
}),
}
retryHostF := deploytest.NewPluginHostF(nil, nil, programF, retryLoaders...)
retryOptions := lt.TestUpdateOptions{T: t, HostF: retryHostF}
retrySnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, replaceSnap), retryOptions, false, p.BackendClient, nil, "2")
assert.NoError(t, err)
assert.Len(t, retrySnap.Resources, 3)
assert.Equal(t, "default", retrySnap.Resources[0].URN.Name())
assert.True(t, diffsCalled["resA"], "Diff should be called on resA")
assert.True(t, deletesCalled["resA"], "Delete should be called as part of replacement of resA")
assert.True(t, createsCalled["resA"], "Create should be called as part of replacement of resA")
assert.Equal(t, resource.ID("resA-replaced-id"), retrySnap.Resources[1].ID)
assert.Equal(t, "resB", retrySnap.Resources[2].URN.Name())
assert.True(t, diffsCalled["resB"], "Diff should be called on resB")
}
// Tests that a delete-before-replace operation:
//
// * that is interrupted after the deletion (e.g. with a failed create)
// * and then resumed, with the same original program
//
// will:
//
// * not call delete (again) on the old resource
// * remove the PendingReplacement flag from the resource in state
// * call create on the new resource
// * remove the old resource from the state
func TestPendingReplaceResumeWithSameGoals(t *testing.T) {
t.Parallel()
// Arrange.
p := &lt.TestPlan{}
project := p.GetProject()
returnReplaceDiff := func(
_ context.Context,
req plugin.DiffRequest,
) (plugin.DiffResult, error) {
if req.URN.Name() == "resA" {
return plugin.DiffResult{
Changes: plugin.DiffSome,
ReplaceKeys: []resource.PropertyKey{"key"},
DeleteBeforeReplace: true,
}, nil
}
return plugin.DiffResult{}, nil
}
deleteCalled := false
trackedDelete := func(
_ context.Context,
req plugin.DeleteRequest,
) (plugin.DeleteResponse, error) {
deleteCalled = true
return plugin.DeleteResponse{Status: resource.StatusOK}, nil
}
createCalled := false
throwingCreate := func(
_ context.Context,
req plugin.CreateRequest,
) (plugin.CreateResponse, error) {
createCalled = true
return plugin.CreateResponse{
Properties: req.Properties,
Status: resource.StatusUnknown,
}, errors.New("interrupt replace")
}
trackedCreate := func(
_ context.Context,
req plugin.CreateRequest,
) (plugin.CreateResponse, error) {
createCalled = true
return plugin.CreateResponse{
ID: "created-id",
Properties: req.Properties,
Status: resource.StatusOK,
}, nil
}
// Act.
// Operation 1 -- initialise the state with a resource.
upLoaders := []*deploytest.ProviderLoader{
deploytest.NewProviderLoader("pkgA", semver.MustParse("1.0.0"), func() (plugin.Provider, error) {
return &deploytest.Provider{}, nil
}),
}
programF := deploytest.NewLanguageRuntimeF(func(_ plugin.RunInfo, monitor *deploytest.ResourceMonitor) error {
_, err := monitor.RegisterResource("pkgA:m:typA", "resA", true)
assert.NoError(t, err)
return nil
})
upHostF := deploytest.NewPluginHostF(nil, nil, programF, upLoaders...)
upOptions := lt.TestUpdateOptions{T: t, HostF: upHostF}
upSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, nil), upOptions, false, p.BackendClient, nil, "0")
assert.NoError(t, err)
assert.Len(t, upSnap.Resources, 2)
assert.Equal(t, upSnap.Resources[0].URN.Name(), "default")
assert.Equal(t, upSnap.Resources[1].URN.Name(), "resA")
// Operation 2 -- return a replacing diff and interrupt it with a failing
// create.
replaceLoaders := []*deploytest.ProviderLoader{
deploytest.NewProviderLoader("pkgA", semver.MustParse("1.0.0"), func() (plugin.Provider, error) {
return &deploytest.Provider{
DiffF: returnReplaceDiff,
DeleteF: trackedDelete,
CreateF: throwingCreate,
}, nil
}),
}
replaceHostF := deploytest.NewPluginHostF(nil, nil, programF, replaceLoaders...)
replaceOptions := lt.TestUpdateOptions{T: t, HostF: replaceHostF}
replaceSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, upSnap), replaceOptions, false, p.BackendClient, nil, "1")
assert.ErrorContains(t, err, "interrupt replace")
assert.Len(t, replaceSnap.Resources, 2)
assert.Equal(t, replaceSnap.Resources[0].URN.Name(), "default")
assert.Equal(t, replaceSnap.Resources[1].URN.Name(), "resA")
assert.True(t, deleteCalled, "Delete should be called as part of replacement")
assert.True(t, replaceSnap.Resources[1].PendingReplacement)
// Operation 3 -- resume the replacement with the same program.
deleteCalled = false
createCalled = false
removeLoaders := []*deploytest.ProviderLoader{
deploytest.NewProviderLoader("pkgA", semver.MustParse("1.0.0"), func() (plugin.Provider, error) {
return &deploytest.Provider{
DiffF: returnReplaceDiff,
DeleteF: trackedDelete,
CreateF: trackedCreate,
}, nil
}),
}
removeHostF := deploytest.NewPluginHostF(nil, nil, programF, removeLoaders...)
removeOptions := lt.TestUpdateOptions{T: t, HostF: removeHostF}
removeSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, replaceSnap), removeOptions, false, p.BackendClient, nil, "2")
assert.NoError(t, err)
// Assert.
assert.Len(t, removeSnap.Resources, 2)
assert.Equal(t, removeSnap.Resources[0].URN.Name(), "default")
assert.Equal(t, removeSnap.Resources[1].URN.Name(), "resA")
assert.False(t, deleteCalled, "Delete shouldn't be called a second time when resuming a replacement (same goals)")
assert.True(t, createCalled, "Create should be called when resuming a replacement (same goals)")
assert.False(t, removeSnap.Resources[1].PendingReplacement)
}
// Tests that a delete-before-replace operation:
//
// * that is interrupted after the deletion (e.g. with a failed create)
// * and then resumed, with a new program that removes the deleted resource
//
// will:
//
// * not call delete (again) on the old resource
// * remove the old resource from the state
func TestPendingReplaceResumeWithDeletedGoals(t *testing.T) {
t.Parallel()
// Arrange.
p := &lt.TestPlan{}
project := p.GetProject()
returnReplaceDiff := func(
_ context.Context,
req plugin.DiffRequest,
) (plugin.DiffResult, error) {
if req.URN.Name() == "resA" {
return plugin.DiffResult{
Changes: plugin.DiffSome,
ReplaceKeys: []resource.PropertyKey{"key"},
DeleteBeforeReplace: true,
}, nil
}
return plugin.DiffResult{}, nil
}
deleteCalled := false
trackedDelete := func(
_ context.Context,
req plugin.DeleteRequest,
) (plugin.DeleteResponse, error) {
deleteCalled = true
return plugin.DeleteResponse{Status: resource.StatusOK}, nil
}
createCalled := false
throwingCreate := func(
_ context.Context,
req plugin.CreateRequest,
) (plugin.CreateResponse, error) {
createCalled = true
return plugin.CreateResponse{
Properties: req.Properties,
Status: resource.StatusUnknown,
}, errors.New("interrupt replace")
}
trackedCreate := func(
_ context.Context,
req plugin.CreateRequest,
) (plugin.CreateResponse, error) {
createCalled = true
return plugin.CreateResponse{
ID: "created-id",
Properties: req.Properties,
Status: resource.StatusOK,
}, nil
}
// Act.
// Operation 1 -- initialise the state with a resource.
upLoaders := []*deploytest.ProviderLoader{
deploytest.NewProviderLoader("pkgA", semver.MustParse("1.0.0"), func() (plugin.Provider, error) {
return &deploytest.Provider{}, nil
}),
}
programF := deploytest.NewLanguageRuntimeF(func(_ plugin.RunInfo, monitor *deploytest.ResourceMonitor) error {
_, err := monitor.RegisterResource("pkgA:m:typA", "resA", true)
assert.NoError(t, err)
return nil
})
upHostF := deploytest.NewPluginHostF(nil, nil, programF, upLoaders...)
upOptions := lt.TestUpdateOptions{T: t, HostF: upHostF}
upSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, nil), upOptions, false, p.BackendClient, nil, "0")
assert.NoError(t, err)
assert.Len(t, upSnap.Resources, 2)
assert.Equal(t, upSnap.Resources[0].URN.Name(), "default")
assert.Equal(t, upSnap.Resources[1].URN.Name(), "resA")
// Operation 2 -- return a replacing diff and interrupt it with a failing
// create.
replaceLoaders := []*deploytest.ProviderLoader{
deploytest.NewProviderLoader("pkgA", semver.MustParse("1.0.0"), func() (plugin.Provider, error) {
return &deploytest.Provider{
DiffF: returnReplaceDiff,
DeleteF: trackedDelete,
CreateF: throwingCreate,
}, nil
}),
}
replaceHostF := deploytest.NewPluginHostF(nil, nil, programF, replaceLoaders...)
replaceOptions := lt.TestUpdateOptions{T: t, HostF: replaceHostF}
replaceSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, upSnap), replaceOptions, false, p.BackendClient, nil, "1")
assert.ErrorContains(t, err, "interrupt replace")
assert.Len(t, replaceSnap.Resources, 2)
assert.Equal(t, replaceSnap.Resources[0].URN.Name(), "default")
assert.Equal(t, replaceSnap.Resources[1].URN.Name(), "resA")
assert.True(t, deleteCalled, "Delete should be called as part of replacement")
assert.True(t, replaceSnap.Resources[1].PendingReplacement)
// Operation 3 -- resume the replacement with a program that removes the
// resource.
deleteCalled = false
createCalled = false
removeLoaders := []*deploytest.ProviderLoader{
deploytest.NewProviderLoader("pkgA", semver.MustParse("1.0.0"), func() (plugin.Provider, error) {
return &deploytest.Provider{
DiffF: returnReplaceDiff,
DeleteF: trackedDelete,
CreateF: trackedCreate,
}, nil
}),
}
// Remove the resource from the program before resuming by providing an empty
// program.
removeProgramF := deploytest.NewLanguageRuntimeF(func(_ plugin.RunInfo, monitor *deploytest.ResourceMonitor) error {
return nil
})
removeHostF := deploytest.NewPluginHostF(nil, nil, removeProgramF, removeLoaders...)
removeOptions := lt.TestUpdateOptions{T: t, HostF: removeHostF}
removeSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, replaceSnap), removeOptions, false, p.BackendClient, nil, "2")
assert.NoError(t, err)
// Assert.
assert.Len(t, removeSnap.Resources, 0)
assert.False(t, deleteCalled, "Delete shouldn't be called a second time when resuming a replacement (deleted goals)")
assert.False(t, createCalled, "Create shouldn't be called when resuming a replacement (deleted goals)")
}
// Tests that a delete-before-replace operation:
//
// - that is interrupted after the deletion (e.g. with a failed create)
// - and then resumed, with a new program that updates the deleted resource with
// a diff that _does not_ require replacement
//
// will:
//
// * not call delete (again) on the old resource
// * remove the PendingReplacement flag from the resource in state
// * call create on the new resource with the updated goals
// * remove the old resource from the state
//
// thereby _actually_ replacing the resource despite the new diff in order to
// complete the interrupted replacement.
func TestPendingReplaceResumeWithUpdatedGoals(t *testing.T) {
t.Parallel()
// Arrange.
p := &lt.TestPlan{}
project := p.GetProject()
returnReplaceDiff := func(
_ context.Context,
req plugin.DiffRequest,
) (plugin.DiffResult, error) {
if req.URN.Name() == "resA" {
return plugin.DiffResult{
Changes: plugin.DiffSome,
ReplaceKeys: []resource.PropertyKey{"key"},
DeleteBeforeReplace: true,
}, nil
}
return plugin.DiffResult{}, nil
}
returnNonReplaceDiff := func(
_ context.Context,
req plugin.DiffRequest,
) (plugin.DiffResult, error) {
if req.URN.Name() == "resA" {
return plugin.DiffResult{
Changes: plugin.DiffSome,
DeleteBeforeReplace: true,
}, nil
}
return plugin.DiffResult{}, nil
}
deleteCalled := false
trackedDelete := func(
_ context.Context,
req plugin.DeleteRequest,
) (plugin.DeleteResponse, error) {
deleteCalled = true
return plugin.DeleteResponse{Status: resource.StatusOK}, nil
}
createCalled := false
throwingCreate := func(
_ context.Context,
req plugin.CreateRequest,
) (plugin.CreateResponse, error) {
createCalled = true
return plugin.CreateResponse{
Properties: req.Properties,
Status: resource.StatusUnknown,
}, errors.New("interrupt replace")
}
trackedCreate := func(
_ context.Context,
req plugin.CreateRequest,
) (plugin.CreateResponse, error) {
createCalled = true
return plugin.CreateResponse{
ID: "created-id",
Properties: req.Properties,
Status: resource.StatusOK,
}, nil
}
// Act.
// Operation 1 -- initialise the state with a resource.
upLoaders := []*deploytest.ProviderLoader{
deploytest.NewProviderLoader("pkgA", semver.MustParse("1.0.0"), func() (plugin.Provider, error) {
return &deploytest.Provider{}, nil
}),
}
programF := deploytest.NewLanguageRuntimeF(func(_ plugin.RunInfo, monitor *deploytest.ResourceMonitor) error {
_, err := monitor.RegisterResource("pkgA:m:typA", "resA", true)
assert.NoError(t, err)
return nil
})
upHostF := deploytest.NewPluginHostF(nil, nil, programF, upLoaders...)
upOptions := lt.TestUpdateOptions{T: t, HostF: upHostF}
upSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, nil), upOptions, false, p.BackendClient, nil, "0")
assert.NoError(t, err)
assert.Len(t, upSnap.Resources, 2)
assert.Equal(t, upSnap.Resources[0].URN.Name(), "default")
assert.Equal(t, upSnap.Resources[1].URN.Name(), "resA")
// Operation 2 -- return a replacing diff and interrupt it with a failing
// create.
replaceLoaders := []*deploytest.ProviderLoader{
deploytest.NewProviderLoader("pkgA", semver.MustParse("1.0.0"), func() (plugin.Provider, error) {
return &deploytest.Provider{
DiffF: returnReplaceDiff,
DeleteF: trackedDelete,
CreateF: throwingCreate,
}, nil
}),
}
replaceHostF := deploytest.NewPluginHostF(nil, nil, programF, replaceLoaders...)
replaceOptions := lt.TestUpdateOptions{T: t, HostF: replaceHostF}
replaceSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, upSnap), replaceOptions, false, p.BackendClient, nil, "1")
assert.ErrorContains(t, err, "interrupt replace")
assert.Len(t, replaceSnap.Resources, 2)
assert.Equal(t, replaceSnap.Resources[0].URN.Name(), "default")
assert.Equal(t, replaceSnap.Resources[1].URN.Name(), "resA")
assert.True(t, deleteCalled, "Delete should be called as part of replacement")
assert.True(t, replaceSnap.Resources[1].PendingReplacement)
// Operation 3 -- resume the replacement with a program that triggers a
// non-replacing diff (for the purposes of the test we do this by mocking the
// Diff call rather than updating the program, but the effect should be the
// same).
deleteCalled = false
createCalled = false
removeLoaders := []*deploytest.ProviderLoader{
deploytest.NewProviderLoader("pkgA", semver.MustParse("1.0.0"), func() (plugin.Provider, error) {
return &deploytest.Provider{
DiffF: returnNonReplaceDiff,
DeleteF: trackedDelete,
CreateF: trackedCreate,
}, nil
}),
}
removeHostF := deploytest.NewPluginHostF(nil, nil, programF, removeLoaders...)
removeOptions := lt.TestUpdateOptions{T: t, HostF: removeHostF}
removeSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, replaceSnap), removeOptions, false, p.BackendClient, nil, "2")
assert.NoError(t, err)
// Assert.
assert.Len(t, removeSnap.Resources, 2)
assert.Equal(t, removeSnap.Resources[0].URN.Name(), "default")
assert.Equal(t, removeSnap.Resources[1].URN.Name(), "resA")
assert.False(t, deleteCalled, "Delete shouldn't be called a second time when resuming a replacement (updated goals)")
assert.True(t, createCalled, "Create should be called when resuming a replacement (updated goals)")
assert.False(t, removeSnap.Resources[1].PendingReplacement)
}
// Regression test for https://github.com/pulumi/pulumi/issues/17111
func TestInteruptedPendingReplace(t *testing.T) {
t.Parallel()
// Arrange.
p := &lt.TestPlan{}
project := p.GetProject()
// Act.
// Operation 1 -- initialise the state with two resources.
provider := func() plugin.Provider { return &deploytest.Provider{} }
loaders := []*deploytest.ProviderLoader{
deploytest.NewProviderLoader("pkgA", semver.MustParse("1.0.0"), func() (plugin.Provider, error) {
return provider(), nil
}),
}
programF := deploytest.NewLanguageRuntimeF(func(_ plugin.RunInfo, monitor *deploytest.ResourceMonitor) error {
dbr := true
a, err := monitor.RegisterResource("pkgA:m:typA", "resA", true, deploytest.ResourceOptions{
DeleteBeforeReplace: &dbr,
})
assert.NoError(t, err)
_, err = monitor.RegisterResource("pkgA:m:typA", "resB", true, deploytest.ResourceOptions{
Dependencies: []resource.URN{a.URN},
})
assert.NoError(t, err)
return nil
})
upHostF := deploytest.NewPluginHostF(nil, nil, programF, loaders...)
upOptions := lt.TestUpdateOptions{T: t, HostF: upHostF}
upSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, nil), upOptions, false, p.BackendClient, nil, "0")
assert.NoError(t, err)
assert.Len(t, upSnap.Resources, 3)
assert.Equal(t, upSnap.Resources[0].URN.Name(), "default")
assert.Equal(t, upSnap.Resources[1].URN.Name(), "resA")
assert.Equal(t, upSnap.Resources[2].URN.Name(), "resB")
// Operation 2 -- return a diff and interrupt it with a failing
// create.
provider = func() plugin.Provider {
return &deploytest.Provider{
DiffF: func(ctx context.Context, dr plugin.DiffRequest) (plugin.DiffResult, error) {
if dr.URN.Name() == "resA" {
return plugin.DiffResult{
Changes: plugin.DiffSome,
ReplaceKeys: []resource.PropertyKey{"key"},
}, nil
}
return plugin.DiffResult{
Changes: plugin.DiffNone,
}, nil
},
CreateF: func(ctx context.Context, cr plugin.CreateRequest) (plugin.CreateResponse, error) {
if cr.URN.Name() == "resA" {
return plugin.CreateResponse{}, errors.New("interrupt replace")
}
return plugin.CreateResponse{}, nil
},
}
}
replaceSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, upSnap), upOptions, false, p.BackendClient, nil, "1")
assert.ErrorContains(t, err, "interrupt replace")
assert.Len(t, replaceSnap.Resources, 3)
assert.Equal(t, replaceSnap.Resources[0].URN.Name(), "default")
assert.Equal(t, replaceSnap.Resources[1].URN.Name(), "resA")
assert.True(t, replaceSnap.Resources[1].PendingReplacement)
assert.Equal(t, replaceSnap.Resources[2].URN.Name(), "resB")
// Operation 3 -- try and resume the replacement with the same program, but fail the create again.
secondReplaceSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, replaceSnap), upOptions, false, p.BackendClient, nil, "2")
assert.ErrorContains(t, err, "interrupt replace")
assert.Len(t, secondReplaceSnap.Resources, 3)
assert.Equal(t, secondReplaceSnap.Resources[0].URN.Name(), "default")
assert.Equal(t, secondReplaceSnap.Resources[1].URN.Name(), "resA")
assert.True(t, secondReplaceSnap.Resources[1].PendingReplacement)
assert.Equal(t, secondReplaceSnap.Resources[2].URN.Name(), "resB")
// Operation 4 -- try and resume the replacement with the same program, and let the create succeed.
provider = func() plugin.Provider {
return &deploytest.Provider{
DiffF: func(ctx context.Context, dr plugin.DiffRequest) (plugin.DiffResult, error) {
if dr.URN.Name() == "resA" {
return plugin.DiffResult{
Changes: plugin.DiffSome,
ReplaceKeys: []resource.PropertyKey{"key"},
}, nil
}
return plugin.DiffResult{
Changes: plugin.DiffNone,
}, nil
},
CreateF: func(ctx context.Context, cr plugin.CreateRequest) (plugin.CreateResponse, error) {
return plugin.CreateResponse{
ID: "created-id",
Properties: cr.Properties,
}, nil
},
}
}
secondUpSnap, err := lt.TestOp(Update).
RunStep(project, p.GetTarget(t, secondReplaceSnap), upOptions, false, p.BackendClient, nil, "3")
assert.NoError(t, err)
assert.Len(t, secondUpSnap.Resources, 3)
assert.Equal(t, secondUpSnap.Resources[0].URN.Name(), "default")
assert.Equal(t, secondUpSnap.Resources[1].URN.Name(), "resA")
assert.False(t, secondUpSnap.Resources[1].PendingReplacement)
assert.Equal(t, secondUpSnap.Resources[2].URN.Name(), "resB")
}