mirror of
https://github.com/opentffoundation/opentf.git
synced 2026-05-13 06:00:33 -04:00
4991cc4835
Errors encountered when parsing flags for apply, plan, and refresh were
being suppressed. This resulted in a generic usage error when using an
invalid `-target` flag.
This commit makes several changes to address this. First, these commands
now output the flag parse error before exiting, leaving at least some
hint about the error. You can verify this manually with something like:
terraform apply -invalid-flag
We also change how target attributes are parsed, moving the
responsibility from the flags instance to the command. This allows us to
customize the diagnostic output to be more user friendly. The
diagnostics now look like:
```shellsession
$ terraform apply -no-color -target=foo
Error: Invalid target "foo"
Resource specification must include a resource type and name.
```
Finally, we add test coverage for both parsing of target flags, and at
the command level for successful use of resource targeting. These tests
focus on the UI output (via the change summary and refresh logs), as the
functionality of targeting is covered by the context tests in the
terraform package.
647 lines
16 KiB
Go
647 lines
16 KiB
Go
package command
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import (
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"bytes"
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"os"
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"strings"
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"testing"
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"github.com/davecgh/go-spew/spew"
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"github.com/mitchellh/cli"
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"github.com/zclconf/go-cty/cty"
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"github.com/hashicorp/terraform/addrs"
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"github.com/hashicorp/terraform/configs/configschema"
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"github.com/hashicorp/terraform/providers"
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"github.com/hashicorp/terraform/states"
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"github.com/hashicorp/terraform/states/statefile"
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)
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func TestApply_destroy(t *testing.T) {
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// Create a temporary working directory that is empty
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td := tempDir(t)
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testCopyDir(t, testFixturePath("apply"), td)
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defer os.RemoveAll(td)
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defer testChdir(t, td)()
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originalState := states.BuildState(func(s *states.SyncState) {
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s.SetResourceInstanceCurrent(
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addrs.Resource{
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Mode: addrs.ManagedResourceMode,
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Type: "test_instance",
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Name: "foo",
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}.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance),
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&states.ResourceInstanceObjectSrc{
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AttrsJSON: []byte(`{"id":"bar"}`),
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Status: states.ObjectReady,
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},
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addrs.AbsProviderConfig{
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Provider: addrs.NewDefaultProvider("test"),
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Module: addrs.RootModule,
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},
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)
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})
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statePath := testStateFile(t, originalState)
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p := testProvider()
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p.GetSchemaResponse = &providers.GetSchemaResponse{
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ResourceTypes: map[string]providers.Schema{
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"test_instance": {
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Block: &configschema.Block{
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Attributes: map[string]*configschema.Attribute{
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"id": {Type: cty.String, Computed: true},
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"ami": {Type: cty.String, Optional: true},
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},
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},
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},
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},
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}
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ui := new(cli.MockUi)
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c := &ApplyCommand{
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Destroy: true,
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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// Run the apply command pointing to our existing state
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args := []string{
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"-auto-approve",
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"-state", statePath,
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}
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if code := c.Run(args); code != 0 {
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t.Log(ui.OutputWriter.String())
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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// Verify a new state exists
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if _, err := os.Stat(statePath); err != nil {
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t.Fatalf("err: %s", err)
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}
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f, err := os.Open(statePath)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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defer f.Close()
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stateFile, err := statefile.Read(f)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if stateFile.State == nil {
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t.Fatal("state should not be nil")
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}
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actualStr := strings.TrimSpace(stateFile.State.String())
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expectedStr := strings.TrimSpace(testApplyDestroyStr)
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if actualStr != expectedStr {
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t.Fatalf("bad:\n\n%s\n\n%s", actualStr, expectedStr)
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}
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// Should have a backup file
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f, err = os.Open(statePath + DefaultBackupExtension)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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backupStateFile, err := statefile.Read(f)
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f.Close()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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actualStr = strings.TrimSpace(backupStateFile.State.String())
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expectedStr = strings.TrimSpace(originalState.String())
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if actualStr != expectedStr {
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t.Fatalf("bad:\n\n%s\n\n%s", actualStr, expectedStr)
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}
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}
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func TestApply_destroyApproveNo(t *testing.T) {
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// Create a temporary working directory that is empty
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td := tempDir(t)
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testCopyDir(t, testFixturePath("apply"), td)
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defer os.RemoveAll(td)
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defer testChdir(t, td)()
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// Create some existing state
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originalState := states.BuildState(func(s *states.SyncState) {
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s.SetResourceInstanceCurrent(
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addrs.Resource{
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Mode: addrs.ManagedResourceMode,
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Type: "test_instance",
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Name: "foo",
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}.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance),
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&states.ResourceInstanceObjectSrc{
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AttrsJSON: []byte(`{"id":"bar"}`),
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Status: states.ObjectReady,
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},
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addrs.AbsProviderConfig{
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Provider: addrs.NewDefaultProvider("test"),
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Module: addrs.RootModule,
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},
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)
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})
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statePath := testStateFile(t, originalState)
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// Disable test mode so input would be asked
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test = false
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defer func() { test = true }()
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// Answer approval request with "no"
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defaultInputReader = bytes.NewBufferString("no\n")
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defaultInputWriter = new(bytes.Buffer)
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p := applyFixtureProvider()
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ui := new(cli.MockUi)
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c := &ApplyCommand{
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Destroy: true,
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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args := []string{
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"-state", statePath,
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}
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if code := c.Run(args); code != 1 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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if got, want := ui.OutputWriter.String(), "Destroy cancelled"; !strings.Contains(got, want) {
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t.Fatalf("expected output to include %q, but was:\n%s", want, got)
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}
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state := testStateRead(t, statePath)
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if state == nil {
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t.Fatal("state should not be nil")
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}
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actualStr := strings.TrimSpace(state.String())
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expectedStr := strings.TrimSpace(originalState.String())
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if actualStr != expectedStr {
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t.Fatalf("bad:\n\n%s\n\n%s", actualStr, expectedStr)
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}
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}
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func TestApply_destroyApproveYes(t *testing.T) {
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// Create a temporary working directory that is empty
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td := tempDir(t)
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testCopyDir(t, testFixturePath("apply"), td)
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defer os.RemoveAll(td)
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defer testChdir(t, td)()
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statePath := testTempFile(t)
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p := applyFixtureProvider()
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// Disable test mode so input would be asked
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test = false
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defer func() { test = true }()
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// Answer approval request with "yes"
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defaultInputReader = bytes.NewBufferString("yes\n")
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defaultInputWriter = new(bytes.Buffer)
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ui := new(cli.MockUi)
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c := &ApplyCommand{
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Destroy: true,
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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args := []string{
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"-state", statePath,
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}
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if code := c.Run(args); code != 0 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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if _, err := os.Stat(statePath); err != nil {
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t.Fatalf("err: %s", err)
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}
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state := testStateRead(t, statePath)
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if state == nil {
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t.Fatal("state should not be nil")
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}
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actualStr := strings.TrimSpace(state.String())
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expectedStr := strings.TrimSpace(testApplyDestroyStr)
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if actualStr != expectedStr {
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t.Fatalf("bad:\n\n%s\n\n%s", actualStr, expectedStr)
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}
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}
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func TestApply_destroyLockedState(t *testing.T) {
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// Create a temporary working directory that is empty
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td := tempDir(t)
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testCopyDir(t, testFixturePath("apply"), td)
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defer os.RemoveAll(td)
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defer testChdir(t, td)()
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originalState := states.BuildState(func(s *states.SyncState) {
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s.SetResourceInstanceCurrent(
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addrs.Resource{
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Mode: addrs.ManagedResourceMode,
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Type: "test_instance",
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Name: "foo",
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}.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance),
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&states.ResourceInstanceObjectSrc{
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AttrsJSON: []byte(`{"id":"bar"}`),
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Status: states.ObjectReady,
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},
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addrs.AbsProviderConfig{
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Provider: addrs.NewDefaultProvider("test"),
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Module: addrs.RootModule,
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},
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)
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})
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statePath := testStateFile(t, originalState)
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unlock, err := testLockState(testDataDir, statePath)
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if err != nil {
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t.Fatal(err)
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}
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defer unlock()
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p := testProvider()
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ui := new(cli.MockUi)
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c := &ApplyCommand{
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Destroy: true,
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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// Run the apply command pointing to our existing state
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args := []string{
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"-auto-approve",
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"-state", statePath,
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}
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if code := c.Run(args); code == 0 {
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t.Fatal("expected error")
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}
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output := ui.ErrorWriter.String()
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if !strings.Contains(output, "lock") {
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t.Fatal("command output does not look like a lock error:", output)
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}
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}
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func TestApply_destroyPlan(t *testing.T) {
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// Create a temporary working directory that is empty
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td := tempDir(t)
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testCopyDir(t, testFixturePath("apply"), td)
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defer os.RemoveAll(td)
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defer testChdir(t, td)()
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planPath := testPlanFileNoop(t)
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p := testProvider()
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ui := new(cli.MockUi)
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c := &ApplyCommand{
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Destroy: true,
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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// Run the apply command pointing to our existing state
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args := []string{
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planPath,
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}
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if code := c.Run(args); code != 1 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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output := ui.ErrorWriter.String()
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if !strings.Contains(output, "plan file") {
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t.Fatal("expected command output to refer to plan file, but got:", output)
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}
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}
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func TestApply_destroyPath(t *testing.T) {
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// Create a temporary working directory that is empty
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td := tempDir(t)
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testCopyDir(t, testFixturePath("apply"), td)
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defer os.RemoveAll(td)
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defer testChdir(t, td)()
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p := applyFixtureProvider()
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ui := new(cli.MockUi)
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c := &ApplyCommand{
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Destroy: true,
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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args := []string{
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"-auto-approve",
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testFixturePath("apply"),
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}
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if code := c.Run(args); code != 1 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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output := ui.ErrorWriter.String()
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if !strings.Contains(output, "-chdir") {
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t.Fatal("expected command output to refer to -chdir flag, but got:", output)
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}
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}
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// Config with multiple resources with dependencies, targeting destroy of a
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// root node, expecting all other resources to be destroyed due to
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// dependencies.
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func TestApply_destroyTargetedDependencies(t *testing.T) {
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// Create a temporary working directory that is empty
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td := tempDir(t)
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testCopyDir(t, testFixturePath("apply-destroy-targeted"), td)
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defer os.RemoveAll(td)
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defer testChdir(t, td)()
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originalState := states.BuildState(func(s *states.SyncState) {
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s.SetResourceInstanceCurrent(
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addrs.Resource{
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Mode: addrs.ManagedResourceMode,
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Type: "test_instance",
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Name: "foo",
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}.Instance(addrs.IntKey(0)).Absolute(addrs.RootModuleInstance),
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&states.ResourceInstanceObjectSrc{
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AttrsJSON: []byte(`{"id":"i-ab123"}`),
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Status: states.ObjectReady,
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},
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addrs.AbsProviderConfig{
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Provider: addrs.NewDefaultProvider("test"),
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Module: addrs.RootModule,
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},
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)
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s.SetResourceInstanceCurrent(
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addrs.Resource{
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Mode: addrs.ManagedResourceMode,
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Type: "test_load_balancer",
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Name: "foo",
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}.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance),
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&states.ResourceInstanceObjectSrc{
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AttrsJSON: []byte(`{"id":"i-abc123"}`),
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Dependencies: []addrs.ConfigResource{mustResourceAddr("test_instance.foo")},
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Status: states.ObjectReady,
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},
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addrs.AbsProviderConfig{
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Provider: addrs.NewDefaultProvider("test"),
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Module: addrs.RootModule,
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},
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)
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})
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statePath := testStateFile(t, originalState)
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p := testProvider()
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p.GetSchemaResponse = &providers.GetSchemaResponse{
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ResourceTypes: map[string]providers.Schema{
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"test_instance": {
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Block: &configschema.Block{
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Attributes: map[string]*configschema.Attribute{
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"id": {Type: cty.String, Computed: true},
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},
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},
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},
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"test_load_balancer": {
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Block: &configschema.Block{
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Attributes: map[string]*configschema.Attribute{
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"id": {Type: cty.String, Computed: true},
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"instances": {Type: cty.List(cty.String), Optional: true},
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},
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},
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},
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},
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}
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p.PlanResourceChangeFn = func(req providers.PlanResourceChangeRequest) providers.PlanResourceChangeResponse {
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return providers.PlanResourceChangeResponse{
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PlannedState: req.ProposedNewState,
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}
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}
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ui := new(cli.MockUi)
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c := &ApplyCommand{
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Destroy: true,
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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// Run the apply command pointing to our existing state
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args := []string{
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"-auto-approve",
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"-target", "test_instance.foo",
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"-state", statePath,
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}
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if code := c.Run(args); code != 0 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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|
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// Verify a new state exists
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if _, err := os.Stat(statePath); err != nil {
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t.Fatalf("err: %s", err)
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}
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f, err := os.Open(statePath)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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defer f.Close()
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stateFile, err := statefile.Read(f)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if stateFile == nil || stateFile.State == nil {
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t.Fatal("state should not be nil")
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}
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spew.Config.DisableMethods = true
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if !stateFile.State.Empty() {
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t.Fatalf("unexpected final state\ngot: %s\nwant: empty state", spew.Sdump(stateFile.State))
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}
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|
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// Should have a backup file
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f, err = os.Open(statePath + DefaultBackupExtension)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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backupStateFile, err := statefile.Read(f)
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f.Close()
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if err != nil {
|
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t.Fatalf("err: %s", err)
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}
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|
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actualStr := strings.TrimSpace(backupStateFile.State.String())
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expectedStr := strings.TrimSpace(originalState.String())
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if actualStr != expectedStr {
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t.Fatalf("bad:\n\nactual:\n%s\n\nexpected:\nb%s", actualStr, expectedStr)
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}
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}
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|
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// Config with multiple resources with dependencies, targeting destroy of a
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// leaf node, expecting the other resources to remain.
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func TestApply_destroyTargeted(t *testing.T) {
|
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// Create a temporary working directory that is empty
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td := tempDir(t)
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testCopyDir(t, testFixturePath("apply-destroy-targeted"), td)
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defer os.RemoveAll(td)
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defer testChdir(t, td)()
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|
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originalState := states.BuildState(func(s *states.SyncState) {
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s.SetResourceInstanceCurrent(
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addrs.Resource{
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Mode: addrs.ManagedResourceMode,
|
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Type: "test_instance",
|
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Name: "foo",
|
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}.Instance(addrs.IntKey(0)).Absolute(addrs.RootModuleInstance),
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&states.ResourceInstanceObjectSrc{
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AttrsJSON: []byte(`{"id":"i-ab123"}`),
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Status: states.ObjectReady,
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},
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addrs.AbsProviderConfig{
|
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Provider: addrs.NewDefaultProvider("test"),
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Module: addrs.RootModule,
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},
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)
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s.SetResourceInstanceCurrent(
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addrs.Resource{
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Mode: addrs.ManagedResourceMode,
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Type: "test_load_balancer",
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Name: "foo",
|
|
}.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance),
|
|
&states.ResourceInstanceObjectSrc{
|
|
AttrsJSON: []byte(`{"id":"i-abc123"}`),
|
|
Dependencies: []addrs.ConfigResource{mustResourceAddr("test_instance.foo")},
|
|
Status: states.ObjectReady,
|
|
},
|
|
addrs.AbsProviderConfig{
|
|
Provider: addrs.NewDefaultProvider("test"),
|
|
Module: addrs.RootModule,
|
|
},
|
|
)
|
|
})
|
|
wantState := states.BuildState(func(s *states.SyncState) {
|
|
s.SetResourceInstanceCurrent(
|
|
addrs.Resource{
|
|
Mode: addrs.ManagedResourceMode,
|
|
Type: "test_instance",
|
|
Name: "foo",
|
|
}.Instance(addrs.IntKey(0)).Absolute(addrs.RootModuleInstance),
|
|
&states.ResourceInstanceObjectSrc{
|
|
AttrsJSON: []byte(`{"id":"i-ab123"}`),
|
|
Status: states.ObjectReady,
|
|
},
|
|
addrs.AbsProviderConfig{
|
|
Provider: addrs.NewDefaultProvider("test"),
|
|
Module: addrs.RootModule,
|
|
},
|
|
)
|
|
})
|
|
statePath := testStateFile(t, originalState)
|
|
|
|
p := testProvider()
|
|
p.GetSchemaResponse = &providers.GetSchemaResponse{
|
|
ResourceTypes: map[string]providers.Schema{
|
|
"test_instance": {
|
|
Block: &configschema.Block{
|
|
Attributes: map[string]*configschema.Attribute{
|
|
"id": {Type: cty.String, Computed: true},
|
|
},
|
|
},
|
|
},
|
|
"test_load_balancer": {
|
|
Block: &configschema.Block{
|
|
Attributes: map[string]*configschema.Attribute{
|
|
"id": {Type: cty.String, Computed: true},
|
|
"instances": {Type: cty.List(cty.String), Optional: true},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
p.PlanResourceChangeFn = func(req providers.PlanResourceChangeRequest) providers.PlanResourceChangeResponse {
|
|
return providers.PlanResourceChangeResponse{
|
|
PlannedState: req.ProposedNewState,
|
|
}
|
|
}
|
|
|
|
ui := new(cli.MockUi)
|
|
c := &ApplyCommand{
|
|
Destroy: true,
|
|
Meta: Meta{
|
|
testingOverrides: metaOverridesForProvider(p),
|
|
Ui: ui,
|
|
},
|
|
}
|
|
|
|
// Run the apply command pointing to our existing state
|
|
args := []string{
|
|
"-auto-approve",
|
|
"-target", "test_load_balancer.foo",
|
|
"-state", statePath,
|
|
}
|
|
if code := c.Run(args); code != 0 {
|
|
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
|
|
}
|
|
|
|
// Verify a new state exists
|
|
if _, err := os.Stat(statePath); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
f, err := os.Open(statePath)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
defer f.Close()
|
|
|
|
stateFile, err := statefile.Read(f)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if stateFile == nil || stateFile.State == nil {
|
|
t.Fatal("state should not be nil")
|
|
}
|
|
|
|
actualStr := strings.TrimSpace(stateFile.State.String())
|
|
expectedStr := strings.TrimSpace(wantState.String())
|
|
if actualStr != expectedStr {
|
|
t.Fatalf("bad:\n\nactual:\n%s\n\nexpected:\nb%s", actualStr, expectedStr)
|
|
}
|
|
|
|
// Should have a backup file
|
|
f, err = os.Open(statePath + DefaultBackupExtension)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
backupStateFile, err := statefile.Read(f)
|
|
f.Close()
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
backupActualStr := strings.TrimSpace(backupStateFile.State.String())
|
|
backupExpectedStr := strings.TrimSpace(originalState.String())
|
|
if backupActualStr != backupExpectedStr {
|
|
t.Fatalf("bad:\n\nactual:\n%s\n\nexpected:\nb%s", backupActualStr, backupExpectedStr)
|
|
}
|
|
}
|
|
|
|
const testApplyDestroyStr = `
|
|
<no state>
|
|
`
|