package remote import ( "context" "fmt" "reflect" "strings" "testing" tfe "github.com/hashicorp/go-tfe" version "github.com/hashicorp/go-version" "github.com/hashicorp/terraform-svchost/disco" "github.com/hashicorp/terraform/backend" "github.com/hashicorp/terraform/tfdiags" tfversion "github.com/hashicorp/terraform/version" "github.com/zclconf/go-cty/cty" backendLocal "github.com/hashicorp/terraform/backend/local" ) func TestRemote(t *testing.T) { var _ backend.Enhanced = New(nil) var _ backend.CLI = New(nil) } func TestRemote_backendDefault(t *testing.T) { b, bCleanup := testBackendDefault(t) defer bCleanup() backend.TestBackendStates(t, b) backend.TestBackendStateLocks(t, b, b) backend.TestBackendStateForceUnlock(t, b, b) } func TestRemote_backendNoDefault(t *testing.T) { b, bCleanup := testBackendNoDefault(t) defer bCleanup() backend.TestBackendStates(t, b) } func TestRemote_config(t *testing.T) { cases := map[string]struct { config cty.Value confErr string valErr string }{ "with_a_nonexisting_organization": { config: cty.ObjectVal(map[string]cty.Value{ "hostname": cty.NullVal(cty.String), "organization": cty.StringVal("nonexisting"), "token": cty.NullVal(cty.String), "workspaces": cty.ObjectVal(map[string]cty.Value{ "name": cty.StringVal("prod"), "prefix": cty.NullVal(cty.String), }), }), confErr: "organization \"nonexisting\" at host app.terraform.io not found", }, "with_an_unknown_host": { config: cty.ObjectVal(map[string]cty.Value{ "hostname": cty.StringVal("nonexisting.local"), "organization": cty.StringVal("hashicorp"), "token": cty.NullVal(cty.String), "workspaces": cty.ObjectVal(map[string]cty.Value{ "name": cty.StringVal("prod"), "prefix": cty.NullVal(cty.String), }), }), confErr: "Failed to request discovery document", }, // localhost advertises TFE services, but has no token in the credentials "without_a_token": { config: cty.ObjectVal(map[string]cty.Value{ "hostname": cty.StringVal("localhost"), "organization": cty.StringVal("hashicorp"), "token": cty.NullVal(cty.String), "workspaces": cty.ObjectVal(map[string]cty.Value{ "name": cty.StringVal("prod"), "prefix": cty.NullVal(cty.String), }), }), confErr: "terraform login localhost", }, "with_a_name": { config: cty.ObjectVal(map[string]cty.Value{ "hostname": cty.NullVal(cty.String), "organization": cty.StringVal("hashicorp"), "token": cty.NullVal(cty.String), "workspaces": cty.ObjectVal(map[string]cty.Value{ "name": cty.StringVal("prod"), "prefix": cty.NullVal(cty.String), }), }), }, "with_a_prefix": { config: cty.ObjectVal(map[string]cty.Value{ "hostname": cty.NullVal(cty.String), "organization": cty.StringVal("hashicorp"), "token": cty.NullVal(cty.String), "workspaces": cty.ObjectVal(map[string]cty.Value{ "name": cty.NullVal(cty.String), "prefix": cty.StringVal("my-app-"), }), }), }, "without_either_a_name_and_a_prefix": { config: cty.ObjectVal(map[string]cty.Value{ "hostname": cty.NullVal(cty.String), "organization": cty.StringVal("hashicorp"), "token": cty.NullVal(cty.String), "workspaces": cty.ObjectVal(map[string]cty.Value{ "name": cty.NullVal(cty.String), "prefix": cty.NullVal(cty.String), }), }), valErr: `Either workspace "name" or "prefix" is required`, }, "with_both_a_name_and_a_prefix": { config: cty.ObjectVal(map[string]cty.Value{ "hostname": cty.NullVal(cty.String), "organization": cty.StringVal("hashicorp"), "token": cty.NullVal(cty.String), "workspaces": cty.ObjectVal(map[string]cty.Value{ "name": cty.StringVal("prod"), "prefix": cty.StringVal("my-app-"), }), }), valErr: `Only one of workspace "name" or "prefix" is allowed`, }, "null config": { config: cty.NullVal(cty.EmptyObject), }, } for name, tc := range cases { s := testServer(t) b := New(testDisco(s)) // Validate _, valDiags := b.PrepareConfig(tc.config) if (valDiags.Err() != nil || tc.valErr != "") && (valDiags.Err() == nil || !strings.Contains(valDiags.Err().Error(), tc.valErr)) { t.Fatalf("%s: unexpected validation result: %v", name, valDiags.Err()) } // Configure confDiags := b.Configure(tc.config) if (confDiags.Err() != nil || tc.confErr != "") && (confDiags.Err() == nil || !strings.Contains(confDiags.Err().Error(), tc.confErr)) { t.Fatalf("%s: unexpected configure result: %v", name, confDiags.Err()) } } } func TestRemote_versionConstraints(t *testing.T) { cases := map[string]struct { config cty.Value prerelease string version string result string }{ "compatible version": { config: cty.ObjectVal(map[string]cty.Value{ "hostname": cty.NullVal(cty.String), "organization": cty.StringVal("hashicorp"), "token": cty.NullVal(cty.String), "workspaces": cty.ObjectVal(map[string]cty.Value{ "name": cty.StringVal("prod"), "prefix": cty.NullVal(cty.String), }), }), version: "0.11.1", }, "version too old": { config: cty.ObjectVal(map[string]cty.Value{ "hostname": cty.NullVal(cty.String), "organization": cty.StringVal("hashicorp"), "token": cty.NullVal(cty.String), "workspaces": cty.ObjectVal(map[string]cty.Value{ "name": cty.StringVal("prod"), "prefix": cty.NullVal(cty.String), }), }), version: "0.0.1", result: "upgrade Terraform to >= 0.1.0", }, "version too new": { config: cty.ObjectVal(map[string]cty.Value{ "hostname": cty.NullVal(cty.String), "organization": cty.StringVal("hashicorp"), "token": cty.NullVal(cty.String), "workspaces": cty.ObjectVal(map[string]cty.Value{ "name": cty.StringVal("prod"), "prefix": cty.NullVal(cty.String), }), }), version: "10.0.1", result: "downgrade Terraform to <= 10.0.0", }, } // Save and restore the actual version. p := tfversion.Prerelease v := tfversion.Version defer func() { tfversion.Prerelease = p tfversion.Version = v }() for name, tc := range cases { s := testServer(t) b := New(testDisco(s)) // Set the version for this test. tfversion.Prerelease = tc.prerelease tfversion.Version = tc.version // Validate _, valDiags := b.PrepareConfig(tc.config) if valDiags.HasErrors() { t.Fatalf("%s: unexpected validation result: %v", name, valDiags.Err()) } // Configure confDiags := b.Configure(tc.config) if (confDiags.Err() != nil || tc.result != "") && (confDiags.Err() == nil || !strings.Contains(confDiags.Err().Error(), tc.result)) { t.Fatalf("%s: unexpected configure result: %v", name, confDiags.Err()) } } } func TestRemote_localBackend(t *testing.T) { b, bCleanup := testBackendDefault(t) defer bCleanup() local, ok := b.local.(*backendLocal.Local) if !ok { t.Fatalf("expected b.local to be \"*local.Local\", got: %T", b.local) } remote, ok := local.Backend.(*Remote) if !ok { t.Fatalf("expected local.Backend to be *remote.Remote, got: %T", remote) } } func TestRemote_addAndRemoveWorkspacesDefault(t *testing.T) { b, bCleanup := testBackendDefault(t) defer bCleanup() if _, err := b.Workspaces(); err != backend.ErrWorkspacesNotSupported { t.Fatalf("expected error %v, got %v", backend.ErrWorkspacesNotSupported, err) } if _, err := b.StateMgr(backend.DefaultStateName); err != nil { t.Fatalf("expected no error, got %v", err) } if _, err := b.StateMgr("prod"); err != backend.ErrWorkspacesNotSupported { t.Fatalf("expected error %v, got %v", backend.ErrWorkspacesNotSupported, err) } if err := b.DeleteWorkspace(backend.DefaultStateName); err != nil { t.Fatalf("expected no error, got %v", err) } if err := b.DeleteWorkspace("prod"); err != backend.ErrWorkspacesNotSupported { t.Fatalf("expected error %v, got %v", backend.ErrWorkspacesNotSupported, err) } } func TestRemote_addAndRemoveWorkspacesNoDefault(t *testing.T) { b, bCleanup := testBackendNoDefault(t) defer bCleanup() states, err := b.Workspaces() if err != nil { t.Fatal(err) } expectedWorkspaces := []string(nil) if !reflect.DeepEqual(states, expectedWorkspaces) { t.Fatalf("expected states %#+v, got %#+v", expectedWorkspaces, states) } if _, err := b.StateMgr(backend.DefaultStateName); err != backend.ErrDefaultWorkspaceNotSupported { t.Fatalf("expected error %v, got %v", backend.ErrDefaultWorkspaceNotSupported, err) } expectedA := "test_A" if _, err := b.StateMgr(expectedA); err != nil { t.Fatal(err) } states, err = b.Workspaces() if err != nil { t.Fatal(err) } expectedWorkspaces = append(expectedWorkspaces, expectedA) if !reflect.DeepEqual(states, expectedWorkspaces) { t.Fatalf("expected %#+v, got %#+v", expectedWorkspaces, states) } expectedB := "test_B" if _, err := b.StateMgr(expectedB); err != nil { t.Fatal(err) } states, err = b.Workspaces() if err != nil { t.Fatal(err) } expectedWorkspaces = append(expectedWorkspaces, expectedB) if !reflect.DeepEqual(states, expectedWorkspaces) { t.Fatalf("expected %#+v, got %#+v", expectedWorkspaces, states) } if err := b.DeleteWorkspace(backend.DefaultStateName); err != backend.ErrDefaultWorkspaceNotSupported { t.Fatalf("expected error %v, got %v", backend.ErrDefaultWorkspaceNotSupported, err) } if err := b.DeleteWorkspace(expectedA); err != nil { t.Fatal(err) } states, err = b.Workspaces() if err != nil { t.Fatal(err) } expectedWorkspaces = []string{expectedB} if !reflect.DeepEqual(states, expectedWorkspaces) { t.Fatalf("expected %#+v got %#+v", expectedWorkspaces, states) } if err := b.DeleteWorkspace(expectedB); err != nil { t.Fatal(err) } states, err = b.Workspaces() if err != nil { t.Fatal(err) } expectedWorkspaces = []string(nil) if !reflect.DeepEqual(states, expectedWorkspaces) { t.Fatalf("expected %#+v, got %#+v", expectedWorkspaces, states) } } func TestRemote_checkConstraints(t *testing.T) { b, bCleanup := testBackendDefault(t) defer bCleanup() cases := map[string]struct { constraints *disco.Constraints prerelease string version string result string }{ "compatible version": { constraints: &disco.Constraints{ Minimum: "0.11.0", Maximum: "0.11.11", }, version: "0.11.1", result: "", }, "version too old": { constraints: &disco.Constraints{ Minimum: "0.11.0", Maximum: "0.11.11", }, version: "0.10.1", result: "upgrade Terraform to >= 0.11.0", }, "version too new": { constraints: &disco.Constraints{ Minimum: "0.11.0", Maximum: "0.11.11", }, version: "0.12.0", result: "downgrade Terraform to <= 0.11.11", }, "version excluded - ordered": { constraints: &disco.Constraints{ Minimum: "0.11.0", Excluding: []string{"0.11.7", "0.11.8"}, Maximum: "0.11.11", }, version: "0.11.7", result: "upgrade Terraform to > 0.11.8", }, "version excluded - unordered": { constraints: &disco.Constraints{ Minimum: "0.11.0", Excluding: []string{"0.11.8", "0.11.6"}, Maximum: "0.11.11", }, version: "0.11.6", result: "upgrade Terraform to > 0.11.8", }, "list versions": { constraints: &disco.Constraints{ Minimum: "0.11.0", Maximum: "0.11.11", }, version: "0.10.1", result: "versions >= 0.11.0, <= 0.11.11.", }, "list exclusion": { constraints: &disco.Constraints{ Minimum: "0.11.0", Excluding: []string{"0.11.6"}, Maximum: "0.11.11", }, version: "0.11.6", result: "excluding version 0.11.6.", }, "list exclusions": { constraints: &disco.Constraints{ Minimum: "0.11.0", Excluding: []string{"0.11.8", "0.11.6"}, Maximum: "0.11.11", }, version: "0.11.6", result: "excluding versions 0.11.6, 0.11.8.", }, } // Save and restore the actual version. p := tfversion.Prerelease v := tfversion.Version defer func() { tfversion.Prerelease = p tfversion.Version = v }() for name, tc := range cases { // Set the version for this test. tfversion.Prerelease = tc.prerelease tfversion.Version = tc.version // Check the constraints. diags := b.checkConstraints(tc.constraints) if (diags.Err() != nil || tc.result != "") && (diags.Err() == nil || !strings.Contains(diags.Err().Error(), tc.result)) { t.Fatalf("%s: unexpected constraints result: %v", name, diags.Err()) } } } func TestRemote_StateMgr_versionCheck(t *testing.T) { b, bCleanup := testBackendDefault(t) defer bCleanup() // Some fixed versions for testing with. This logic is a simple string // comparison, so we don't need many test cases. v0135 := version.Must(version.NewSemver("0.13.5")) v0140 := version.Must(version.NewSemver("0.14.0")) // Save original local version state and restore afterwards p := tfversion.Prerelease v := tfversion.Version s := tfversion.SemVer defer func() { tfversion.Prerelease = p tfversion.Version = v tfversion.SemVer = s }() // For this test, the local Terraform version is set to 0.14.0 tfversion.Prerelease = "" tfversion.Version = v0140.String() tfversion.SemVer = v0140 // Update the mock remote workspace Terraform version to match the local // Terraform version if _, err := b.client.Workspaces.Update( context.Background(), b.organization, b.workspace, tfe.WorkspaceUpdateOptions{ TerraformVersion: tfe.String(v0140.String()), }, ); err != nil { t.Fatalf("error: %v", err) } // This should succeed if _, err := b.StateMgr(backend.DefaultStateName); err != nil { t.Fatalf("expected no error, got %v", err) } // Now change the remote workspace to a different Terraform version if _, err := b.client.Workspaces.Update( context.Background(), b.organization, b.workspace, tfe.WorkspaceUpdateOptions{ TerraformVersion: tfe.String(v0135.String()), }, ); err != nil { t.Fatalf("error: %v", err) } // This should fail want := `Remote workspace Terraform version "0.13.5" does not match local Terraform version "0.14.0"` if _, err := b.StateMgr(backend.DefaultStateName); err.Error() != want { t.Fatalf("wrong error\n got: %v\nwant: %v", err.Error(), want) } } func TestRemote_StateMgr_versionCheckLatest(t *testing.T) { b, bCleanup := testBackendDefault(t) defer bCleanup() v0140 := version.Must(version.NewSemver("0.14.0")) // Save original local version state and restore afterwards p := tfversion.Prerelease v := tfversion.Version s := tfversion.SemVer defer func() { tfversion.Prerelease = p tfversion.Version = v tfversion.SemVer = s }() // For this test, the local Terraform version is set to 0.14.0 tfversion.Prerelease = "" tfversion.Version = v0140.String() tfversion.SemVer = v0140 // Update the remote workspace to the pseudo-version "latest" if _, err := b.client.Workspaces.Update( context.Background(), b.organization, b.workspace, tfe.WorkspaceUpdateOptions{ TerraformVersion: tfe.String("latest"), }, ); err != nil { t.Fatalf("error: %v", err) } // This should succeed despite not being a string match if _, err := b.StateMgr(backend.DefaultStateName); err != nil { t.Fatalf("expected no error, got %v", err) } } func TestRemote_VerifyWorkspaceTerraformVersion(t *testing.T) { testCases := []struct { local string remote string operations bool wantErr bool }{ {"0.13.5", "0.13.5", true, false}, {"0.14.0", "0.13.5", true, true}, {"0.14.0", "0.13.5", false, false}, {"0.14.0", "0.14.1", true, false}, {"0.14.0", "1.0.99", true, false}, {"0.14.0", "1.1.0", true, true}, {"1.2.0", "1.2.99", true, false}, {"1.2.0", "1.3.0", true, true}, {"0.15.0", "latest", true, false}, } for _, tc := range testCases { t.Run(fmt.Sprintf("local %s, remote %s", tc.local, tc.remote), func(t *testing.T) { b, bCleanup := testBackendDefault(t) defer bCleanup() local := version.Must(version.NewSemver(tc.local)) // Save original local version state and restore afterwards p := tfversion.Prerelease v := tfversion.Version s := tfversion.SemVer defer func() { tfversion.Prerelease = p tfversion.Version = v tfversion.SemVer = s }() // Override local version as specified tfversion.Prerelease = "" tfversion.Version = local.String() tfversion.SemVer = local // Update the mock remote workspace Terraform version to the // specified remote version if _, err := b.client.Workspaces.Update( context.Background(), b.organization, b.workspace, tfe.WorkspaceUpdateOptions{ Operations: tfe.Bool(tc.operations), TerraformVersion: tfe.String(tc.remote), }, ); err != nil { t.Fatalf("error: %v", err) } diags := b.VerifyWorkspaceTerraformVersion(backend.DefaultStateName) if tc.wantErr { if len(diags) != 1 { t.Fatal("expected diag, but none returned") } if got := diags.Err().Error(); !strings.Contains(got, "Terraform version mismatch") { t.Fatalf("unexpected error: %s", got) } } else { if len(diags) != 0 { t.Fatalf("unexpected diags: %s", diags.Err()) } } }) } } func TestRemote_VerifyWorkspaceTerraformVersion_workspaceErrors(t *testing.T) { b, bCleanup := testBackendDefault(t) defer bCleanup() // Attempting to check the version against a workspace which doesn't exist // should result in no errors diags := b.VerifyWorkspaceTerraformVersion("invalid-workspace") if len(diags) != 0 { t.Fatalf("unexpected error: %s", diags.Err()) } // Use a special workspace ID to trigger a 500 error, which should result // in a failed check diags = b.VerifyWorkspaceTerraformVersion("network-error") if len(diags) != 1 { t.Fatal("expected diag, but none returned") } if got := diags.Err().Error(); !strings.Contains(got, "Error looking up workspace: Workspace read failed") { t.Fatalf("unexpected error: %s", got) } // Update the mock remote workspace Terraform version to an invalid version if _, err := b.client.Workspaces.Update( context.Background(), b.organization, b.workspace, tfe.WorkspaceUpdateOptions{ TerraformVersion: tfe.String("1.0.cheetarah"), }, ); err != nil { t.Fatalf("error: %v", err) } diags = b.VerifyWorkspaceTerraformVersion(backend.DefaultStateName) if len(diags) != 1 { t.Fatal("expected diag, but none returned") } if got := diags.Err().Error(); !strings.Contains(got, "Error looking up workspace: Invalid Terraform version") { t.Fatalf("unexpected error: %s", got) } } func TestRemote_VerifyWorkspaceTerraformVersion_ignoreFlagSet(t *testing.T) { b, bCleanup := testBackendDefault(t) defer bCleanup() // If the ignore flag is set, the behaviour changes b.IgnoreVersionConflict() // Different local & remote versions to cause an error local := version.Must(version.NewSemver("0.14.0")) remote := version.Must(version.NewSemver("0.13.5")) // Save original local version state and restore afterwards p := tfversion.Prerelease v := tfversion.Version s := tfversion.SemVer defer func() { tfversion.Prerelease = p tfversion.Version = v tfversion.SemVer = s }() // Override local version as specified tfversion.Prerelease = "" tfversion.Version = local.String() tfversion.SemVer = local // Update the mock remote workspace Terraform version to the // specified remote version if _, err := b.client.Workspaces.Update( context.Background(), b.organization, b.workspace, tfe.WorkspaceUpdateOptions{ TerraformVersion: tfe.String(remote.String()), }, ); err != nil { t.Fatalf("error: %v", err) } diags := b.VerifyWorkspaceTerraformVersion(backend.DefaultStateName) if len(diags) != 1 { t.Fatal("expected diag, but none returned") } if got, want := diags[0].Severity(), tfdiags.Warning; got != want { t.Errorf("wrong severity: got %#v, want %#v", got, want) } if got, want := diags[0].Description().Summary, "Terraform version mismatch"; got != want { t.Errorf("wrong summary: got %s, want %s", got, want) } wantDetail := "The local Terraform version (0.14.0) does not match the configured version for remote workspace hashicorp/prod (0.13.5)." if got := diags[0].Description().Detail; got != wantDetail { t.Errorf("wrong summary: got %s, want %s", got, wantDetail) } }