package terraform import ( "fmt" "strings" "testing" "github.com/hashicorp/terraform/addrs" "github.com/hashicorp/terraform/plans" "github.com/hashicorp/terraform/states" "github.com/zclconf/go-cty/cty" ) func TestApplyGraphBuilder_impl(t *testing.T) { var _ GraphBuilder = new(ApplyGraphBuilder) } func TestApplyGraphBuilder(t *testing.T) { changes := &plans.Changes{ Resources: []*plans.ResourceInstanceChangeSrc{ { Addr: mustResourceInstanceAddr("test_object.create"), ChangeSrc: plans.ChangeSrc{ Action: plans.Create, }, }, { Addr: mustResourceInstanceAddr("test_object.other"), ChangeSrc: plans.ChangeSrc{ Action: plans.Update, }, }, { Addr: mustResourceInstanceAddr("module.child.test_object.create"), ChangeSrc: plans.ChangeSrc{ Action: plans.Create, }, }, { Addr: mustResourceInstanceAddr("module.child.test_object.other"), ChangeSrc: plans.ChangeSrc{ Action: plans.Create, }, }, }, } b := &ApplyGraphBuilder{ Config: testModule(t, "graph-builder-apply-basic"), Changes: changes, Components: simpleMockComponentFactory(), Schemas: simpleTestSchemas(), } g, err := b.Build(addrs.RootModuleInstance) if err != nil { t.Fatalf("err: %s", err) } if g.Path.String() != addrs.RootModuleInstance.String() { t.Fatalf("wrong path %q", g.Path.String()) } actual := strings.TrimSpace(g.String()) expected := strings.TrimSpace(testApplyGraphBuilderStr) if actual != expected { t.Fatalf("wrong result\n\ngot:\n%s\n\nwant:\n%s", actual, expected) } } // This tests the ordering of two resources where a non-CBD depends // on a CBD. GH-11349. func TestApplyGraphBuilder_depCbd(t *testing.T) { changes := &plans.Changes{ Resources: []*plans.ResourceInstanceChangeSrc{ { Addr: mustResourceInstanceAddr("test_object.A"), ChangeSrc: plans.ChangeSrc{ Action: plans.CreateThenDelete, }, }, { Addr: mustResourceInstanceAddr("test_object.B"), ChangeSrc: plans.ChangeSrc{ Action: plans.Update, }, }, }, } state := states.NewState() root := state.EnsureModule(addrs.RootModuleInstance) root.SetResourceInstanceCurrent( mustResourceInstanceAddr("test_object.A").Resource, &states.ResourceInstanceObjectSrc{ Status: states.ObjectReady, AttrsJSON: []byte(`{"id":"A"}`), }, mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`), ) root.SetResourceInstanceCurrent( mustResourceInstanceAddr("test_object.B").Resource, &states.ResourceInstanceObjectSrc{ Status: states.ObjectReady, AttrsJSON: []byte(`{"id":"B","test_list":["x"]}`), Dependencies: []addrs.ConfigResource{mustConfigResourceAddr("test_object.A")}, }, mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`), ) b := &ApplyGraphBuilder{ Config: testModule(t, "graph-builder-apply-dep-cbd"), Changes: changes, Components: simpleMockComponentFactory(), Schemas: simpleTestSchemas(), State: state, } g, err := b.Build(addrs.RootModuleInstance) if err != nil { t.Fatalf("err: %s", err) } if g.Path.String() != addrs.RootModuleInstance.String() { t.Fatalf("wrong path %q", g.Path.String()) } // We're going to go hunting for our deposed instance node here, so we // can find out its key to use in the assertions below. var dk states.DeposedKey for _, v := range g.Vertices() { tv, ok := v.(*NodeDestroyDeposedResourceInstanceObject) if !ok { continue } if dk != states.NotDeposed { t.Fatalf("more than one deposed instance node in the graph; want only one") } dk = tv.DeposedKey } if dk == states.NotDeposed { t.Fatalf("no deposed instance node in the graph; want one") } destroyName := fmt.Sprintf("test_object.A (destroy deposed %s)", dk) // Create A, Modify B, Destroy A testGraphHappensBefore( t, g, "test_object.A", destroyName, ) testGraphHappensBefore( t, g, "test_object.A", "test_object.B", ) testGraphHappensBefore( t, g, "test_object.B", destroyName, ) } // This tests the ordering of two resources that are both CBD that // require destroy/create. func TestApplyGraphBuilder_doubleCBD(t *testing.T) { changes := &plans.Changes{ Resources: []*plans.ResourceInstanceChangeSrc{ { Addr: mustResourceInstanceAddr("test_object.A"), ChangeSrc: plans.ChangeSrc{ Action: plans.CreateThenDelete, }, }, { Addr: mustResourceInstanceAddr("test_object.B"), ChangeSrc: plans.ChangeSrc{ Action: plans.CreateThenDelete, }, }, }, } b := &ApplyGraphBuilder{ Config: testModule(t, "graph-builder-apply-double-cbd"), Changes: changes, Components: simpleMockComponentFactory(), Schemas: simpleTestSchemas(), } g, err := b.Build(addrs.RootModuleInstance) if err != nil { t.Fatalf("err: %s", err) } if g.Path.String() != addrs.RootModuleInstance.String() { t.Fatalf("wrong path %q", g.Path.String()) } // We're going to go hunting for our deposed instance node here, so we // can find out its key to use in the assertions below. var destroyA, destroyB string for _, v := range g.Vertices() { tv, ok := v.(*NodeDestroyDeposedResourceInstanceObject) if !ok { continue } switch tv.Addr.Resource.Resource.Name { case "A": destroyA = fmt.Sprintf("test_object.A (destroy deposed %s)", tv.DeposedKey) case "B": destroyB = fmt.Sprintf("test_object.B (destroy deposed %s)", tv.DeposedKey) default: t.Fatalf("unknown instance: %s", tv.Addr) } } // Create A, Modify B, Destroy A testGraphHappensBefore( t, g, "test_object.A", destroyA, ) testGraphHappensBefore( t, g, "test_object.A", "test_object.B", ) testGraphHappensBefore( t, g, "test_object.B", destroyB, ) } // This tests the ordering of two resources being destroyed that depend // on each other from only state. GH-11749 func TestApplyGraphBuilder_destroyStateOnly(t *testing.T) { changes := &plans.Changes{ Resources: []*plans.ResourceInstanceChangeSrc{ { Addr: mustResourceInstanceAddr("module.child.test_object.A"), ChangeSrc: plans.ChangeSrc{ Action: plans.Delete, }, }, { Addr: mustResourceInstanceAddr("module.child.test_object.B"), ChangeSrc: plans.ChangeSrc{ Action: plans.Delete, }, }, }, } state := states.NewState() root := state.EnsureModule(addrs.RootModuleInstance) child := state.EnsureModule(addrs.RootModuleInstance.Child("child", addrs.NoKey)) root.SetResourceInstanceCurrent( mustResourceInstanceAddr("test_object.A").Resource, &states.ResourceInstanceObjectSrc{ Status: states.ObjectReady, AttrsJSON: []byte(`{"id":"foo"}`), }, mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`), ) child.SetResourceInstanceCurrent( mustResourceInstanceAddr("test_object.B").Resource, &states.ResourceInstanceObjectSrc{ Status: states.ObjectReady, AttrsJSON: []byte(`{"id":"bar"}`), Dependencies: []addrs.ConfigResource{mustConfigResourceAddr("module.child.test_object.A")}, }, mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`), ) b := &ApplyGraphBuilder{ Config: testModule(t, "empty"), Changes: changes, State: state, Components: simpleMockComponentFactory(), Schemas: simpleTestSchemas(), } g, diags := b.Build(addrs.RootModuleInstance) if diags.HasErrors() { t.Fatalf("err: %s", diags.Err()) } if g.Path.String() != addrs.RootModuleInstance.String() { t.Fatalf("wrong path %q", g.Path.String()) } testGraphHappensBefore( t, g, "module.child.test_object.B (destroy)", "module.child.test_object.A (destroy)") } // This tests the ordering of destroying a single count of a resource. func TestApplyGraphBuilder_destroyCount(t *testing.T) { changes := &plans.Changes{ Resources: []*plans.ResourceInstanceChangeSrc{ { Addr: mustResourceInstanceAddr("test_object.A[1]"), ChangeSrc: plans.ChangeSrc{ Action: plans.Delete, }, }, { Addr: mustResourceInstanceAddr("test_object.B"), ChangeSrc: plans.ChangeSrc{ Action: plans.Update, }, }, }, } state := states.NewState() root := state.RootModule() addrA := mustResourceInstanceAddr("test_object.A[1]") root.SetResourceInstanceCurrent( addrA.Resource, &states.ResourceInstanceObjectSrc{ Status: states.ObjectReady, AttrsJSON: []byte(`{"id":"B"}`), }, mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`), ) root.SetResourceInstanceCurrent( mustResourceInstanceAddr("test_object.B").Resource, &states.ResourceInstanceObjectSrc{ Status: states.ObjectReady, AttrsJSON: []byte(`{"id":"B"}`), Dependencies: []addrs.ConfigResource{addrA.ContainingResource().Config()}, }, mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`), ) b := &ApplyGraphBuilder{ Config: testModule(t, "graph-builder-apply-count"), Changes: changes, Components: simpleMockComponentFactory(), Schemas: simpleTestSchemas(), State: state, } g, err := b.Build(addrs.RootModuleInstance) if err != nil { t.Fatalf("err: %s", err) } if g.Path.String() != addrs.RootModuleInstance.String() { t.Fatalf("wrong module path %q", g.Path) } actual := strings.TrimSpace(g.String()) expected := strings.TrimSpace(testApplyGraphBuilderDestroyCountStr) if actual != expected { t.Fatalf("wrong result\n\ngot:\n%s\n\nwant:\n%s", actual, expected) } } func TestApplyGraphBuilder_moduleDestroy(t *testing.T) { changes := &plans.Changes{ Resources: []*plans.ResourceInstanceChangeSrc{ { Addr: mustResourceInstanceAddr("module.A.test_object.foo"), ChangeSrc: plans.ChangeSrc{ Action: plans.Delete, }, }, { Addr: mustResourceInstanceAddr("module.B.test_object.foo"), ChangeSrc: plans.ChangeSrc{ Action: plans.Delete, }, }, }, } state := states.NewState() modA := state.EnsureModule(addrs.RootModuleInstance.Child("A", addrs.NoKey)) modA.SetResourceInstanceCurrent( mustResourceInstanceAddr("test_object.foo").Resource, &states.ResourceInstanceObjectSrc{ Status: states.ObjectReady, AttrsJSON: []byte(`{"id":"foo"}`), }, mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`), ) modB := state.EnsureModule(addrs.RootModuleInstance.Child("B", addrs.NoKey)) modB.SetResourceInstanceCurrent( mustResourceInstanceAddr("test_object.foo").Resource, &states.ResourceInstanceObjectSrc{ Status: states.ObjectReady, AttrsJSON: []byte(`{"id":"foo","value":"foo"}`), Dependencies: []addrs.ConfigResource{mustConfigResourceAddr("module.A.test_object.foo")}, }, mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`), ) b := &ApplyGraphBuilder{ Config: testModule(t, "graph-builder-apply-module-destroy"), Changes: changes, Components: simpleMockComponentFactory(), Schemas: simpleTestSchemas(), State: state, } g, err := b.Build(addrs.RootModuleInstance) if err != nil { t.Fatalf("err: %s", err) } testGraphHappensBefore( t, g, "module.B.test_object.foo (destroy)", "module.A.test_object.foo (destroy)", ) } func TestApplyGraphBuilder_provisioner(t *testing.T) { changes := &plans.Changes{ Resources: []*plans.ResourceInstanceChangeSrc{ { Addr: mustResourceInstanceAddr("test_object.foo"), ChangeSrc: plans.ChangeSrc{ Action: plans.Create, }, }, }, } b := &ApplyGraphBuilder{ Config: testModule(t, "graph-builder-apply-provisioner"), Changes: changes, Components: simpleMockComponentFactory(), Schemas: simpleTestSchemas(), } g, err := b.Build(addrs.RootModuleInstance) if err != nil { t.Fatalf("err: %s", err) } testGraphContains(t, g, "provisioner.test") testGraphHappensBefore( t, g, "provisioner.test", "test_object.foo", ) } func TestApplyGraphBuilder_provisionerDestroy(t *testing.T) { changes := &plans.Changes{ Resources: []*plans.ResourceInstanceChangeSrc{ { Addr: mustResourceInstanceAddr("test_object.foo"), ChangeSrc: plans.ChangeSrc{ Action: plans.Delete, }, }, }, } b := &ApplyGraphBuilder{ Config: testModule(t, "graph-builder-apply-provisioner"), Changes: changes, Components: simpleMockComponentFactory(), Schemas: simpleTestSchemas(), } g, err := b.Build(addrs.RootModuleInstance) if err != nil { t.Fatalf("err: %s", err) } testGraphContains(t, g, "provisioner.test") testGraphHappensBefore( t, g, "provisioner.test", "test_object.foo (destroy)", ) } func TestApplyGraphBuilder_targetModule(t *testing.T) { changes := &plans.Changes{ Resources: []*plans.ResourceInstanceChangeSrc{ { Addr: mustResourceInstanceAddr("test_object.foo"), ChangeSrc: plans.ChangeSrc{ Action: plans.Update, }, }, { Addr: mustResourceInstanceAddr("module.child2.test_object.foo"), ChangeSrc: plans.ChangeSrc{ Action: plans.Update, }, }, }, } b := &ApplyGraphBuilder{ Config: testModule(t, "graph-builder-apply-target-module"), Changes: changes, Components: simpleMockComponentFactory(), Schemas: simpleTestSchemas(), Targets: []addrs.Targetable{ addrs.RootModuleInstance.Child("child2", addrs.NoKey), }, } g, err := b.Build(addrs.RootModuleInstance) if err != nil { t.Fatalf("err: %s", err) } testGraphNotContains(t, g, "module.child1.output.instance_id") } // Ensure that an update resulting from the removal of a resource happens after // that resource is destroyed. func TestApplyGraphBuilder_updateFromOrphan(t *testing.T) { schemas := simpleTestSchemas() instanceSchema := schemas.Providers[addrs.NewDefaultProvider("test")].ResourceTypes["test_object"] bBefore, _ := plans.NewDynamicValue( cty.ObjectVal(map[string]cty.Value{ "id": cty.StringVal("b_id"), "test_string": cty.StringVal("a_id"), }), instanceSchema.ImpliedType()) bAfter, _ := plans.NewDynamicValue( cty.ObjectVal(map[string]cty.Value{ "id": cty.StringVal("b_id"), "test_string": cty.StringVal("changed"), }), instanceSchema.ImpliedType()) changes := &plans.Changes{ Resources: []*plans.ResourceInstanceChangeSrc{ { Addr: mustResourceInstanceAddr("test_object.a"), ChangeSrc: plans.ChangeSrc{ Action: plans.Delete, }, }, { Addr: mustResourceInstanceAddr("test_object.b"), ChangeSrc: plans.ChangeSrc{ Action: plans.Update, Before: bBefore, After: bAfter, }, }, }, } state := states.NewState() root := state.EnsureModule(addrs.RootModuleInstance) root.SetResourceInstanceCurrent( addrs.Resource{ Mode: addrs.ManagedResourceMode, Type: "test_object", Name: "a", }.Instance(addrs.NoKey), &states.ResourceInstanceObjectSrc{ Status: states.ObjectReady, AttrsJSON: []byte(`{"id":"a_id"}`), }, addrs.AbsProviderConfig{ Provider: addrs.NewDefaultProvider("test"), Module: addrs.RootModule, }, ) root.SetResourceInstanceCurrent( addrs.Resource{ Mode: addrs.ManagedResourceMode, Type: "test_object", Name: "b", }.Instance(addrs.NoKey), &states.ResourceInstanceObjectSrc{ Status: states.ObjectReady, AttrsJSON: []byte(`{"id":"b_id","test_string":"a_id"}`), Dependencies: []addrs.ConfigResource{ addrs.ConfigResource{ Resource: addrs.Resource{ Mode: addrs.ManagedResourceMode, Type: "test_object", Name: "a", }, Module: root.Addr.Module(), }, }, }, addrs.AbsProviderConfig{ Provider: addrs.NewDefaultProvider("test"), Module: addrs.RootModule, }, ) b := &ApplyGraphBuilder{ Config: testModule(t, "graph-builder-apply-orphan-update"), Changes: changes, Components: simpleMockComponentFactory(), Schemas: schemas, State: state, } g, err := b.Build(addrs.RootModuleInstance) if err != nil { t.Fatalf("err: %s", err) } expected := strings.TrimSpace(` test_object.a (destroy) test_object.b test_object.a (destroy) `) instanceGraph := filterInstances(g) got := strings.TrimSpace(instanceGraph.String()) if got != expected { t.Fatalf("expected:\n%s\ngot:\n%s", expected, got) } } // Ensure that an update resulting from the removal of a resource happens before // a CBD resource is destroyed. func TestApplyGraphBuilder_updateFromCBDOrphan(t *testing.T) { schemas := simpleTestSchemas() instanceSchema := schemas.Providers[addrs.NewDefaultProvider("test")].ResourceTypes["test_object"] bBefore, _ := plans.NewDynamicValue( cty.ObjectVal(map[string]cty.Value{ "id": cty.StringVal("b_id"), "test_string": cty.StringVal("a_id"), }), instanceSchema.ImpliedType()) bAfter, _ := plans.NewDynamicValue( cty.ObjectVal(map[string]cty.Value{ "id": cty.StringVal("b_id"), "test_string": cty.StringVal("changed"), }), instanceSchema.ImpliedType()) changes := &plans.Changes{ Resources: []*plans.ResourceInstanceChangeSrc{ { Addr: mustResourceInstanceAddr("test_object.a"), ChangeSrc: plans.ChangeSrc{ Action: plans.Delete, }, }, { Addr: mustResourceInstanceAddr("test_object.b"), ChangeSrc: plans.ChangeSrc{ Action: plans.Update, Before: bBefore, After: bAfter, }, }, }, } state := states.NewState() root := state.EnsureModule(addrs.RootModuleInstance) root.SetResourceInstanceCurrent( addrs.Resource{ Mode: addrs.ManagedResourceMode, Type: "test_object", Name: "a", }.Instance(addrs.NoKey), &states.ResourceInstanceObjectSrc{ Status: states.ObjectReady, AttrsJSON: []byte(`{"id":"a_id"}`), CreateBeforeDestroy: true, }, mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`), ) root.SetResourceInstanceCurrent( addrs.Resource{ Mode: addrs.ManagedResourceMode, Type: "test_object", Name: "b", }.Instance(addrs.NoKey), &states.ResourceInstanceObjectSrc{ Status: states.ObjectReady, AttrsJSON: []byte(`{"id":"b_id","test_string":"a_id"}`), Dependencies: []addrs.ConfigResource{ addrs.ConfigResource{ Resource: addrs.Resource{ Mode: addrs.ManagedResourceMode, Type: "test_object", Name: "a", }, Module: root.Addr.Module(), }, }, }, mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`), ) b := &ApplyGraphBuilder{ Config: testModule(t, "graph-builder-apply-orphan-update"), Changes: changes, Components: simpleMockComponentFactory(), Schemas: schemas, State: state, } g, err := b.Build(addrs.RootModuleInstance) if err != nil { t.Fatalf("err: %s", err) } expected := strings.TrimSpace(` test_object.a (destroy) test_object.b test_object.b `) instanceGraph := filterInstances(g) got := strings.TrimSpace(instanceGraph.String()) if got != expected { t.Fatalf("expected:\n%s\ngot:\n%s", expected, got) } } // The orphan clean up node should not be connected to a provider func TestApplyGraphBuilder_orphanedWithProvider(t *testing.T) { changes := &plans.Changes{ Resources: []*plans.ResourceInstanceChangeSrc{ { Addr: mustResourceInstanceAddr("test_object.A"), ChangeSrc: plans.ChangeSrc{ Action: plans.Delete, }, }, }, } state := states.NewState() root := state.EnsureModule(addrs.RootModuleInstance) root.SetResourceInstanceCurrent( mustResourceInstanceAddr("test_object.A").Resource, &states.ResourceInstanceObjectSrc{ Status: states.ObjectReady, AttrsJSON: []byte(`{"id":"A"}`), }, mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"].foo`), ) b := &ApplyGraphBuilder{ Config: testModule(t, "graph-builder-orphan-alias"), Changes: changes, Components: simpleMockComponentFactory(), Schemas: simpleTestSchemas(), State: state, } g, err := b.Build(addrs.RootModuleInstance) if err != nil { t.Fatal(err) } // The cleanup node has no state or config of its own, so would create a // default provider which we don't want. testGraphNotContains(t, g, "provider.test") } const testApplyGraphBuilderStr = ` meta.count-boundary (EachMode fixup) module.child (close) test_object.other module.child (close) module.child.test_object.other module.child (expand) module.child.test_object.create module.child.test_object.create (expand) module.child.test_object.create (expand) module.child (expand) provider["registry.terraform.io/hashicorp/test"] provisioner.test module.child.test_object.other module.child.test_object.create module.child.test_object.other (expand) module.child.test_object.other (expand) module.child (expand) provider["registry.terraform.io/hashicorp/test"] provider["registry.terraform.io/hashicorp/test"] provider["registry.terraform.io/hashicorp/test"] (close) module.child.test_object.other test_object.other provisioner.test provisioner.test (close) module.child.test_object.create root meta.count-boundary (EachMode fixup) provider["registry.terraform.io/hashicorp/test"] (close) provisioner.test (close) test_object.create test_object.create (expand) test_object.create (expand) provider["registry.terraform.io/hashicorp/test"] test_object.other test_object.create test_object.other (expand) test_object.other (expand) provider["registry.terraform.io/hashicorp/test"] ` const testApplyGraphBuilderDestroyCountStr = ` meta.count-boundary (EachMode fixup) test_object.B provider["registry.terraform.io/hashicorp/test"] provider["registry.terraform.io/hashicorp/test"] (close) test_object.B root meta.count-boundary (EachMode fixup) provider["registry.terraform.io/hashicorp/test"] (close) test_object.A (expand) provider["registry.terraform.io/hashicorp/test"] test_object.A[1] (destroy) provider["registry.terraform.io/hashicorp/test"] test_object.B test_object.A (expand) test_object.A[1] (destroy) test_object.B (expand) test_object.B (expand) provider["registry.terraform.io/hashicorp/test"] `