package command import ( "bytes" "context" "encoding/json" "fmt" "io/ioutil" "log" "os" "path/filepath" "strings" "testing" "github.com/davecgh/go-spew/spew" "github.com/google/go-cmp/cmp" "github.com/mitchellh/cli" "github.com/zclconf/go-cty/cty" "github.com/hashicorp/terraform/addrs" "github.com/hashicorp/terraform/configs" "github.com/hashicorp/terraform/configs/configschema" "github.com/hashicorp/terraform/internal/depsfile" "github.com/hashicorp/terraform/internal/getproviders" "github.com/hashicorp/terraform/internal/providercache" "github.com/hashicorp/terraform/states" "github.com/hashicorp/terraform/states/statemgr" ) func TestInit_empty(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) os.MkdirAll(td, 0755) defer os.RemoveAll(td) defer testChdir(t, td)() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } } func TestInit_multipleArgs(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) os.MkdirAll(td, 0755) defer os.RemoveAll(td) defer testChdir(t, td)() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{ "bad", "bad", } if code := c.Run(args); code != 1 { t.Fatalf("bad: \n%s", ui.OutputWriter.String()) } } func TestInit_fromModule_cwdDest(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) os.MkdirAll(td, os.ModePerm) defer os.RemoveAll(td) defer testChdir(t, td)() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{ "-from-module=" + testFixturePath("init"), } if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } if _, err := os.Stat(filepath.Join(td, "hello.tf")); err != nil { t.Fatalf("err: %s", err) } } // https://github.com/hashicorp/terraform/issues/518 func TestInit_fromModule_dstInSrc(t *testing.T) { dir := tempDir(t) if err := os.MkdirAll(dir, 0755); err != nil { t.Fatalf("err: %s", err) } defer os.RemoveAll(dir) // Change to the temporary directory cwd, err := os.Getwd() if err != nil { t.Fatalf("err: %s", err) } if err := os.Chdir(dir); err != nil { t.Fatalf("err: %s", err) } defer os.Chdir(cwd) if err := os.Mkdir("foo", os.ModePerm); err != nil { t.Fatal(err) } if _, err := os.Create("issue518.tf"); err != nil { t.Fatalf("err: %s", err) } if err := os.Chdir("foo"); err != nil { t.Fatalf("err: %s", err) } ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{ "-from-module=./..", } if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } if _, err := os.Stat(filepath.Join(dir, "foo", "issue518.tf")); err != nil { t.Fatalf("err: %s", err) } } func TestInit_get(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-get"), td) defer os.RemoveAll(td) defer testChdir(t, td)() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } // Check output output := ui.OutputWriter.String() if !strings.Contains(output, "foo in foo") { t.Fatalf("doesn't look like we installed module 'foo': %s", output) } } func TestInit_getUpgradeModules(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-get"), td) defer os.RemoveAll(td) defer testChdir(t, td)() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{ "-get=true", "-upgrade", } if code := c.Run(args); code != 0 { t.Fatalf("command did not complete successfully:\n%s", ui.ErrorWriter.String()) } // Check output output := ui.OutputWriter.String() if !strings.Contains(output, "Upgrading modules...") { t.Fatalf("doesn't look like get upgrade: %s", output) } } func TestInit_backend(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-backend"), td) defer os.RemoveAll(td) defer testChdir(t, td)() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } if _, err := os.Stat(filepath.Join(DefaultDataDir, DefaultStateFilename)); err != nil { t.Fatalf("err: %s", err) } } func TestInit_backendUnset(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-backend"), td) defer os.RemoveAll(td) defer testChdir(t, td)() { log.Printf("[TRACE] TestInit_backendUnset: beginning first init") ui := cli.NewMockUi() view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } // Init args := []string{} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } log.Printf("[TRACE] TestInit_backendUnset: first init complete") t.Logf("First run output:\n%s", ui.OutputWriter.String()) t.Logf("First run errors:\n%s", ui.ErrorWriter.String()) if _, err := os.Stat(filepath.Join(DefaultDataDir, DefaultStateFilename)); err != nil { t.Fatalf("err: %s", err) } } { log.Printf("[TRACE] TestInit_backendUnset: beginning second init") // Unset if err := ioutil.WriteFile("main.tf", []byte(""), 0644); err != nil { t.Fatalf("err: %s", err) } ui := cli.NewMockUi() view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{"-force-copy"} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } log.Printf("[TRACE] TestInit_backendUnset: second init complete") t.Logf("Second run output:\n%s", ui.OutputWriter.String()) t.Logf("Second run errors:\n%s", ui.ErrorWriter.String()) s := testDataStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename)) if !s.Backend.Empty() { t.Fatal("should not have backend config") } } } func TestInit_backendConfigFile(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-backend-config-file"), td) defer os.RemoveAll(td) defer testChdir(t, td)() t.Run("good-config-file", func(t *testing.T) { ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{"-backend-config", "input.config"} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } // Read our saved backend config and verify we have our settings state := testDataStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename)) if got, want := normalizeJSON(t, state.Backend.ConfigRaw), `{"path":"hello","workspace_dir":null}`; got != want { t.Errorf("wrong config\ngot: %s\nwant: %s", got, want) } }) // the backend config file must not be a full terraform block t.Run("full-backend-config-file", func(t *testing.T) { ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{"-backend-config", "backend.config"} if code := c.Run(args); code != 1 { t.Fatalf("expected error, got success\n") } if !strings.Contains(ui.ErrorWriter.String(), "Unsupported block type") { t.Fatalf("wrong error: %s", ui.ErrorWriter) } }) // the backend config file must match the schema for the backend t.Run("invalid-config-file", func(t *testing.T) { ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{"-backend-config", "invalid.config"} if code := c.Run(args); code != 1 { t.Fatalf("expected error, got success\n") } if !strings.Contains(ui.ErrorWriter.String(), "Unsupported argument") { t.Fatalf("wrong error: %s", ui.ErrorWriter) } }) // missing file is an error t.Run("missing-config-file", func(t *testing.T) { ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{"-backend-config", "missing.config"} if code := c.Run(args); code != 1 { t.Fatalf("expected error, got success\n") } if !strings.Contains(ui.ErrorWriter.String(), "Failed to read file") { t.Fatalf("wrong error: %s", ui.ErrorWriter) } }) // blank filename clears the backend config t.Run("blank-config-file", func(t *testing.T) { ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{"-backend-config="} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } // Read our saved backend config and verify the backend config is empty state := testDataStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename)) if got, want := normalizeJSON(t, state.Backend.ConfigRaw), `{"path":null,"workspace_dir":null}`; got != want { t.Errorf("wrong config\ngot: %s\nwant: %s", got, want) } }) // simulate the local backend having a required field which is not // specified in the override file t.Run("required-argument", func(t *testing.T) { c := &InitCommand{} schema := &configschema.Block{ Attributes: map[string]*configschema.Attribute{ "path": { Type: cty.String, Optional: true, }, "workspace_dir": { Type: cty.String, Required: true, }, }, } flagConfigExtra := newRawFlags("-backend-config") flagConfigExtra.Set("input.config") _, diags := c.backendConfigOverrideBody(flagConfigExtra, schema) if len(diags) != 0 { t.Errorf("expected no diags, got: %s", diags.Err()) } }) } func TestInit_backendConfigFilePowershellConfusion(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-backend-config-file"), td) defer os.RemoveAll(td) defer testChdir(t, td)() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } // SUBTLE: when using -flag=value with Powershell, unquoted values are // broken into separate arguments. This results in the init command // interpreting the flags as an empty backend-config setting (which is // semantically valid!) followed by a custom configuration path. // // Adding the "=" here forces this codepath to be checked, and it should // result in an early exit with a diagnostic that the provided // configuration file is not a diretory. args := []string{"-backend-config=", "./input.config"} if code := c.Run(args); code != 1 { t.Fatalf("got exit status %d; want 1\nstderr:\n%s\n\nstdout:\n%s", code, ui.ErrorWriter.String(), ui.OutputWriter.String()) } output := ui.ErrorWriter.String() if got, want := output, `Too many command line arguments`; !strings.Contains(got, want) { t.Fatalf("wrong output\ngot:\n%s\n\nwant: message containing %q", got, want) } } func TestInit_backendReconfigure(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-backend"), td) defer os.RemoveAll(td) defer testChdir(t, td)() providerSource, close := newMockProviderSource(t, map[string][]string{ "hashicorp/test": {"1.2.3"}, }) defer close() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), ProviderSource: providerSource, Ui: ui, View: view, }, } // create some state, so the backend has something to migrate. f, err := os.Create("foo") // this is the path" in the backend config if err != nil { t.Fatalf("err: %s", err) } err = writeStateForTesting(testState(), f) f.Close() if err != nil { t.Fatalf("err: %s", err) } args := []string{} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } // now run init again, changing the path. // The -reconfigure flag prevents init from migrating // Without -reconfigure, the test fails since the backend asks for input on migrating state args = []string{"-reconfigure", "-backend-config", "path=changed"} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } } func TestInit_backendConfigFileChange(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-backend-config-file-change"), td) defer os.RemoveAll(td) defer testChdir(t, td)() // Ask input defer testInputMap(t, map[string]string{ "backend-migrate-to-new": "no", })() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{"-backend-config", "input.config"} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } // Read our saved backend config and verify we have our settings state := testDataStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename)) if got, want := normalizeJSON(t, state.Backend.ConfigRaw), `{"path":"hello","workspace_dir":null}`; got != want { t.Errorf("wrong config\ngot: %s\nwant: %s", got, want) } } func TestInit_backendConfigKV(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-backend-config-kv"), td) defer os.RemoveAll(td) defer testChdir(t, td)() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{"-backend-config", "path=hello"} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } // Read our saved backend config and verify we have our settings state := testDataStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename)) if got, want := normalizeJSON(t, state.Backend.ConfigRaw), `{"path":"hello","workspace_dir":null}`; got != want { t.Errorf("wrong config\ngot: %s\nwant: %s", got, want) } } func TestInit_backendConfigKVReInit(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-backend-config-kv"), td) defer os.RemoveAll(td) defer testChdir(t, td)() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{"-backend-config", "path=test"} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } ui = new(cli.MockUi) c = &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } // a second init should require no changes, nor should it change the backend. args = []string{"-input=false"} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } // make sure the backend is configured how we expect configState := testDataStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename)) cfg := map[string]interface{}{} if err := json.Unmarshal(configState.Backend.ConfigRaw, &cfg); err != nil { t.Fatal(err) } if cfg["path"] != "test" { t.Fatalf(`expected backend path="test", got path="%v"`, cfg["path"]) } // override the -backend-config options by settings args = []string{"-input=false", "-backend-config", ""} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } // make sure the backend is configured how we expect configState = testDataStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename)) cfg = map[string]interface{}{} if err := json.Unmarshal(configState.Backend.ConfigRaw, &cfg); err != nil { t.Fatal(err) } if cfg["path"] != nil { t.Fatalf(`expected backend path="", got path="%v"`, cfg["path"]) } } func TestInit_backendConfigKVReInitWithConfigDiff(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-backend"), td) defer os.RemoveAll(td) defer testChdir(t, td)() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{"-input=false"} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } ui = new(cli.MockUi) c = &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } // a second init with identical config should require no changes, nor // should it change the backend. args = []string{"-input=false", "-backend-config", "path=foo"} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } // make sure the backend is configured how we expect configState := testDataStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename)) cfg := map[string]interface{}{} if err := json.Unmarshal(configState.Backend.ConfigRaw, &cfg); err != nil { t.Fatal(err) } if cfg["path"] != "foo" { t.Fatalf(`expected backend path="foo", got path="%v"`, cfg["foo"]) } } func TestInit_backendCli_no_config_block(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init"), td) defer os.RemoveAll(td) defer testChdir(t, td)() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{"-backend-config", "path=test"} if code := c.Run(args); code != 0 { t.Fatalf("got exit status %d; want 0\nstderr:\n%s\n\nstdout:\n%s", code, ui.ErrorWriter.String(), ui.OutputWriter.String()) } errMsg := ui.ErrorWriter.String() if !strings.Contains(errMsg, "Warning: Missing backend configuration") { t.Fatal("expected missing backend block warning, got", errMsg) } } func TestInit_backendReinitWithExtra(t *testing.T) { td := tempDir(t) testCopyDir(t, testFixturePath("init-backend-empty"), td) defer os.RemoveAll(td) defer testChdir(t, td)() m := testMetaBackend(t, nil) opts := &BackendOpts{ ConfigOverride: configs.SynthBody("synth", map[string]cty.Value{ "path": cty.StringVal("hello"), }), Init: true, } _, cHash, err := m.backendConfig(opts) if err != nil { t.Fatal(err) } ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{"-backend-config", "path=hello"} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } // Read our saved backend config and verify we have our settings state := testDataStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename)) if got, want := normalizeJSON(t, state.Backend.ConfigRaw), `{"path":"hello","workspace_dir":null}`; got != want { t.Errorf("wrong config\ngot: %s\nwant: %s", got, want) } if state.Backend.Hash != uint64(cHash) { t.Fatal("mismatched state and config backend hashes") } // init again and make sure nothing changes if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } state = testDataStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename)) if got, want := normalizeJSON(t, state.Backend.ConfigRaw), `{"path":"hello","workspace_dir":null}`; got != want { t.Errorf("wrong config\ngot: %s\nwant: %s", got, want) } if state.Backend.Hash != uint64(cHash) { t.Fatal("mismatched state and config backend hashes") } } // move option from config to -backend-config args func TestInit_backendReinitConfigToExtra(t *testing.T) { td := tempDir(t) testCopyDir(t, testFixturePath("init-backend"), td) defer os.RemoveAll(td) defer testChdir(t, td)() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } if code := c.Run([]string{"-input=false"}); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } // Read our saved backend config and verify we have our settings state := testDataStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename)) if got, want := normalizeJSON(t, state.Backend.ConfigRaw), `{"path":"foo","workspace_dir":null}`; got != want { t.Errorf("wrong config\ngot: %s\nwant: %s", got, want) } backendHash := state.Backend.Hash // init again but remove the path option from the config cfg := "terraform {\n backend \"local\" {}\n}\n" if err := ioutil.WriteFile("main.tf", []byte(cfg), 0644); err != nil { t.Fatal(err) } // We need a fresh InitCommand here because the old one now has our configuration // file cached inside it, so it won't re-read the modification we just made. c = &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{"-input=false", "-backend-config=path=foo"} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } state = testDataStateRead(t, filepath.Join(DefaultDataDir, DefaultStateFilename)) if got, want := normalizeJSON(t, state.Backend.ConfigRaw), `{"path":"foo","workspace_dir":null}`; got != want { t.Errorf("wrong config after moving to arg\ngot: %s\nwant: %s", got, want) } if state.Backend.Hash == backendHash { t.Fatal("state.Backend.Hash was not updated") } } // make sure inputFalse stops execution on migrate func TestInit_inputFalse(t *testing.T) { td := tempDir(t) testCopyDir(t, testFixturePath("init-backend"), td) defer os.RemoveAll(td) defer testChdir(t, td)() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{"-input=false", "-backend-config=path=foo"} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter) } // write different states for foo and bar fooState := states.BuildState(func(s *states.SyncState) { s.SetOutputValue( addrs.OutputValue{Name: "foo"}.Absolute(addrs.RootModuleInstance), cty.StringVal("foo"), false, // not sensitive ) }) if err := statemgr.NewFilesystem("foo").WriteState(fooState); err != nil { t.Fatal(err) } barState := states.BuildState(func(s *states.SyncState) { s.SetOutputValue( addrs.OutputValue{Name: "bar"}.Absolute(addrs.RootModuleInstance), cty.StringVal("bar"), false, // not sensitive ) }) if err := statemgr.NewFilesystem("bar").WriteState(barState); err != nil { t.Fatal(err) } ui = new(cli.MockUi) c = &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args = []string{"-input=false", "-backend-config=path=bar"} if code := c.Run(args); code == 0 { t.Fatal("init should have failed", ui.OutputWriter) } errMsg := ui.ErrorWriter.String() if !strings.Contains(errMsg, "input disabled") { t.Fatal("expected input disabled error, got", errMsg) } ui = new(cli.MockUi) c = &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } // A missing input=false should abort rather than loop infinitely args = []string{"-backend-config=path=baz"} if code := c.Run(args); code == 0 { t.Fatal("init should have failed", ui.OutputWriter) } } func TestInit_getProvider(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-get-providers"), td) defer os.RemoveAll(td) defer testChdir(t, td)() overrides := metaOverridesForProvider(testProvider()) ui := new(cli.MockUi) view, _ := testView(t) providerSource, close := newMockProviderSource(t, map[string][]string{ // looking for an exact version "exact": {"1.2.3"}, // config requires >= 2.3.3 "greater-than": {"2.3.4", "2.3.3", "2.3.0"}, // config specifies "between": {"3.4.5", "2.3.4", "1.2.3"}, }) defer close() m := Meta{ testingOverrides: overrides, Ui: ui, View: view, ProviderSource: providerSource, } c := &InitCommand{ Meta: m, } args := []string{ "-backend=false", // should be possible to install plugins without backend init } if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } // check that we got the providers for our config exactPath := fmt.Sprintf(".terraform/providers/registry.terraform.io/hashicorp/exact/1.2.3/%s", getproviders.CurrentPlatform) if _, err := os.Stat(exactPath); os.IsNotExist(err) { t.Fatal("provider 'exact' not downloaded") } greaterThanPath := fmt.Sprintf(".terraform/providers/registry.terraform.io/hashicorp/greater-than/2.3.4/%s", getproviders.CurrentPlatform) if _, err := os.Stat(greaterThanPath); os.IsNotExist(err) { t.Fatal("provider 'greater-than' not downloaded") } betweenPath := fmt.Sprintf(".terraform/providers/registry.terraform.io/hashicorp/between/2.3.4/%s", getproviders.CurrentPlatform) if _, err := os.Stat(betweenPath); os.IsNotExist(err) { t.Fatal("provider 'between' not downloaded") } t.Run("future-state", func(t *testing.T) { // getting providers should fail if a state from a newer version of // terraform exists, since InitCommand.getProviders needs to inspect that // state. f, err := os.Create(DefaultStateFilename) if err != nil { t.Fatalf("err: %s", err) } defer f.Close() // Construct a mock state file from the far future type FutureState struct { Version uint `json:"version"` Lineage string `json:"lineage"` TerraformVersion string `json:"terraform_version"` Outputs map[string]interface{} `json:"outputs"` Resources []map[string]interface{} `json:"resources"` } fs := &FutureState{ Version: 999, Lineage: "123-456-789", TerraformVersion: "999.0.0", Outputs: make(map[string]interface{}), Resources: make([]map[string]interface{}, 0), } src, err := json.MarshalIndent(fs, "", " ") if err != nil { t.Fatalf("failed to marshal future state: %s", err) } src = append(src, '\n') _, err = f.Write(src) if err != nil { t.Fatal(err) } ui := new(cli.MockUi) view, _ := testView(t) m.Ui = ui m.View = view c := &InitCommand{ Meta: m, } if code := c.Run(nil); code == 0 { t.Fatal("expected error, got:", ui.OutputWriter) } errMsg := ui.ErrorWriter.String() if !strings.Contains(errMsg, "Unsupported state file format") { t.Fatal("unexpected error:", errMsg) } }) } func TestInit_getProviderSource(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-get-provider-source"), td) defer os.RemoveAll(td) defer testChdir(t, td)() overrides := metaOverridesForProvider(testProvider()) ui := new(cli.MockUi) view, _ := testView(t) providerSource, close := newMockProviderSource(t, map[string][]string{ // looking for an exact version "acme/alpha": {"1.2.3"}, // config doesn't specify versions for other providers "registry.example.com/acme/beta": {"1.0.0"}, "gamma": {"2.0.0"}, }) defer close() m := Meta{ testingOverrides: overrides, Ui: ui, View: view, ProviderSource: providerSource, } c := &InitCommand{ Meta: m, } args := []string{ "-backend=false", // should be possible to install plugins without backend init } if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } // check that we got the providers for our config exactPath := fmt.Sprintf(".terraform/providers/registry.terraform.io/acme/alpha/1.2.3/%s", getproviders.CurrentPlatform) if _, err := os.Stat(exactPath); os.IsNotExist(err) { t.Error("provider 'alpha' not downloaded") } greaterThanPath := fmt.Sprintf(".terraform/providers/registry.example.com/acme/beta/1.0.0/%s", getproviders.CurrentPlatform) if _, err := os.Stat(greaterThanPath); os.IsNotExist(err) { t.Error("provider 'beta' not downloaded") } betweenPath := fmt.Sprintf(".terraform/providers/registry.terraform.io/hashicorp/gamma/2.0.0/%s", getproviders.CurrentPlatform) if _, err := os.Stat(betweenPath); os.IsNotExist(err) { t.Error("provider 'gamma' not downloaded") } } func TestInit_getProviderLegacyFromState(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-get-provider-legacy-from-state"), td) defer os.RemoveAll(td) defer testChdir(t, td)() overrides := metaOverridesForProvider(testProvider()) ui := new(cli.MockUi) view, _ := testView(t) providerSource, close := newMockProviderSource(t, map[string][]string{ "acme/alpha": {"1.2.3"}, }) defer close() m := Meta{ testingOverrides: overrides, Ui: ui, View: view, ProviderSource: providerSource, } c := &InitCommand{ Meta: m, } if code := c.Run(nil); code != 1 { t.Fatalf("got exit status %d; want 1\nstderr:\n%s\n\nstdout:\n%s", code, ui.ErrorWriter.String(), ui.OutputWriter.String()) } // Expect this diagnostic output wants := []string{ "Invalid legacy provider address", "You must complete the Terraform 0.13 upgrade process", } got := ui.ErrorWriter.String() for _, want := range wants { if !strings.Contains(got, want) { t.Fatalf("expected output to contain %q, got:\n\n%s", want, got) } } } func TestInit_getProviderInvalidPackage(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-get-provider-invalid-package"), td) defer os.RemoveAll(td) defer testChdir(t, td)() overrides := metaOverridesForProvider(testProvider()) ui := new(cli.MockUi) view, _ := testView(t) // create a provider source which allows installing an invalid package addr := addrs.MustParseProviderSourceString("invalid/package") version := getproviders.MustParseVersion("1.0.0") meta, close, err := getproviders.FakeInstallablePackageMeta( addr, version, getproviders.VersionList{getproviders.MustParseVersion("5.0")}, getproviders.CurrentPlatform, "terraform-package", // should be "terraform-provider-package" ) defer close() if err != nil { t.Fatalf("failed to prepare fake package for %s %s: %s", addr.ForDisplay(), version, err) } providerSource := getproviders.NewMockSource([]getproviders.PackageMeta{meta}, nil) m := Meta{ testingOverrides: overrides, Ui: ui, View: view, ProviderSource: providerSource, } c := &InitCommand{ Meta: m, } args := []string{ "-backend=false", // should be possible to install plugins without backend init } if code := c.Run(args); code != 1 { t.Fatalf("got exit status %d; want 1\nstderr:\n%s\n\nstdout:\n%s", code, ui.ErrorWriter.String(), ui.OutputWriter.String()) } // invalid provider should be installed packagePath := fmt.Sprintf(".terraform/providers/registry.terraform.io/invalid/package/1.0.0/%s/terraform-package", getproviders.CurrentPlatform) if _, err := os.Stat(packagePath); os.IsNotExist(err) { t.Fatal("provider 'invalid/package' not downloaded") } wantErrors := []string{ "Failed to install provider", "could not find executable file starting with terraform-provider-package", } got := ui.ErrorWriter.String() for _, wantError := range wantErrors { if !strings.Contains(got, wantError) { t.Fatalf("missing error:\nwant: %q\ngot:\n%s", wantError, got) } } } func TestInit_getProviderDetectedLegacy(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-get-provider-detected-legacy"), td) defer os.RemoveAll(td) defer testChdir(t, td)() // We need to construct a multisource with a mock source and a registry // source: the mock source will return ErrRegistryProviderNotKnown for an // unknown provider, and the registry source will allow us to look up the // appropriate namespace if possible. providerSource, psClose := newMockProviderSource(t, map[string][]string{ "hashicorp/foo": {"1.2.3"}, "terraform-providers/baz": {"2.3.4"}, // this will not be installed }) defer psClose() registrySource, rsClose := testRegistrySource(t) defer rsClose() multiSource := getproviders.MultiSource{ {Source: providerSource}, {Source: registrySource}, } ui := new(cli.MockUi) view, _ := testView(t) m := Meta{ Ui: ui, View: view, ProviderSource: multiSource, } c := &InitCommand{ Meta: m, } args := []string{ "-backend=false", // should be possible to install plugins without backend init } if code := c.Run(args); code == 0 { t.Fatalf("expected error, got output: \n%s", ui.OutputWriter.String()) } // foo should be installed fooPath := fmt.Sprintf(".terraform/providers/registry.terraform.io/hashicorp/foo/1.2.3/%s", getproviders.CurrentPlatform) if _, err := os.Stat(fooPath); os.IsNotExist(err) { t.Error("provider 'foo' not installed") } // baz should not be installed bazPath := fmt.Sprintf(".terraform/providers/registry.terraform.io/terraform-providers/baz/2.3.4/%s", getproviders.CurrentPlatform) if _, err := os.Stat(bazPath); !os.IsNotExist(err) { t.Error("provider 'baz' installed, but should not be") } // error output is the main focus of this test errOutput := ui.ErrorWriter.String() errors := []string{ "Failed to query available provider packages", "Could not retrieve the list of available versions", "registry.terraform.io/hashicorp/baz", "registry.terraform.io/hashicorp/frob", } for _, want := range errors { if !strings.Contains(errOutput, want) { t.Fatalf("expected error %q: %s", want, errOutput) } } } func TestInit_providerSource(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-required-providers"), td) defer os.RemoveAll(td) defer testChdir(t, td)() providerSource, close := newMockProviderSource(t, map[string][]string{ "test": {"1.2.3", "1.2.4"}, "test-beta": {"1.2.4"}, "source": {"1.2.2", "1.2.3", "1.2.1"}, }) defer close() ui := new(cli.MockUi) view, _ := testView(t) m := Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, ProviderSource: providerSource, } c := &InitCommand{ Meta: m, } args := []string{} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } if strings.Contains(ui.OutputWriter.String(), "Terraform has initialized, but configuration upgrades may be needed") { t.Fatalf("unexpected \"configuration upgrade\" warning in output") } cacheDir := m.providerLocalCacheDir() gotPackages := cacheDir.AllAvailablePackages() wantPackages := map[addrs.Provider][]providercache.CachedProvider{ addrs.NewDefaultProvider("test"): { { Provider: addrs.NewDefaultProvider("test"), Version: getproviders.MustParseVersion("1.2.3"), PackageDir: expectedPackageInstallPath("test", "1.2.3", false), }, }, addrs.NewDefaultProvider("test-beta"): { { Provider: addrs.NewDefaultProvider("test-beta"), Version: getproviders.MustParseVersion("1.2.4"), PackageDir: expectedPackageInstallPath("test-beta", "1.2.4", false), }, }, addrs.NewDefaultProvider("source"): { { Provider: addrs.NewDefaultProvider("source"), Version: getproviders.MustParseVersion("1.2.3"), PackageDir: expectedPackageInstallPath("source", "1.2.3", false), }, }, } if diff := cmp.Diff(wantPackages, gotPackages); diff != "" { t.Errorf("wrong cache directory contents after upgrade\n%s", diff) } locks, err := m.lockedDependencies() if err != nil { t.Fatalf("failed to get locked dependencies: %s", err) } gotProviderLocks := locks.AllProviders() wantProviderLocks := map[addrs.Provider]*depsfile.ProviderLock{ addrs.NewDefaultProvider("test-beta"): depsfile.NewProviderLock( addrs.NewDefaultProvider("test-beta"), getproviders.MustParseVersion("1.2.4"), getproviders.MustParseVersionConstraints("= 1.2.4"), []getproviders.Hash{ getproviders.HashScheme1.New("see6W06w09Ea+AobFJ+mbvPTie6ASqZAAdlFZbs8BSM="), }, ), addrs.NewDefaultProvider("test"): depsfile.NewProviderLock( addrs.NewDefaultProvider("test"), getproviders.MustParseVersion("1.2.3"), getproviders.MustParseVersionConstraints("= 1.2.3"), []getproviders.Hash{ getproviders.HashScheme1.New("wlbEC2mChQZ2hhgUhl6SeVLPP7fMqOFUZAQhQ9GIIno="), }, ), addrs.NewDefaultProvider("source"): depsfile.NewProviderLock( addrs.NewDefaultProvider("source"), getproviders.MustParseVersion("1.2.3"), getproviders.MustParseVersionConstraints("= 1.2.3"), []getproviders.Hash{ getproviders.HashScheme1.New("myS3qb3px3tRBq1ZWRYJeUH+kySWpBc0Yy8rw6W7/p4="), }, ), } if diff := cmp.Diff(gotProviderLocks, wantProviderLocks, depsfile.ProviderLockComparer); diff != "" { t.Errorf("wrong version selections after upgrade\n%s", diff) } outputStr := ui.OutputWriter.String() if want := "Installed hashicorp/test v1.2.3 (verified checksum)"; !strings.Contains(outputStr, want) { t.Fatalf("unexpected output: %s\nexpected to include %q", outputStr, want) } } func TestInit_cancel(t *testing.T) { // This test runs `terraform init` as if SIGINT (or similar on other // platforms) were sent to it, testing that it is interruptible. td := tempDir(t) testCopyDir(t, testFixturePath("init-required-providers"), td) defer os.RemoveAll(td) defer testChdir(t, td)() providerSource, closeSrc := newMockProviderSource(t, map[string][]string{ "test": {"1.2.3", "1.2.4"}, "test-beta": {"1.2.4"}, "source": {"1.2.2", "1.2.3", "1.2.1"}, }) defer closeSrc() // our shutdown channel is pre-closed so init will exit as soon as it // starts a cancelable portion of the process. shutdownCh := make(chan struct{}) close(shutdownCh) ui := cli.NewMockUi() view, _ := testView(t) m := Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, ProviderSource: providerSource, ShutdownCh: shutdownCh, } c := &InitCommand{ Meta: m, } args := []string{} if code := c.Run(args); code == 0 { t.Fatalf("succeeded; wanted error") } // Currently the first operation that is cancelable is provider // installation, so our error message comes from there. If we // make the earlier steps cancelable in future then it'd be // expected for this particular message to change. if got, want := ui.ErrorWriter.String(), `Provider installation was canceled by an interrupt signal`; !strings.Contains(got, want) { t.Fatalf("wrong error message\nshould contain: %s\ngot:\n%s", want, got) } } func TestInit_getUpgradePlugins(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-get-providers"), td) defer os.RemoveAll(td) defer testChdir(t, td)() providerSource, close := newMockProviderSource(t, map[string][]string{ // looking for an exact version "exact": {"1.2.3"}, // config requires >= 2.3.3 "greater-than": {"2.3.4", "2.3.3", "2.3.0"}, // config specifies > 1.0.0 , < 3.0.0 "between": {"3.4.5", "2.3.4", "1.2.3"}, }) defer close() ui := new(cli.MockUi) view, _ := testView(t) m := Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, ProviderSource: providerSource, } installFakeProviderPackages(t, &m, map[string][]string{ "exact": {"0.0.1"}, "greater-than": {"2.3.3"}, }) c := &InitCommand{ Meta: m, } args := []string{ "-upgrade=true", } if code := c.Run(args); code != 0 { t.Fatalf("command did not complete successfully:\n%s", ui.ErrorWriter.String()) } cacheDir := m.providerLocalCacheDir() gotPackages := cacheDir.AllAvailablePackages() wantPackages := map[addrs.Provider][]providercache.CachedProvider{ // "between" wasn't previously installed at all, so we installed // the newest available version that matched the version constraints. addrs.NewDefaultProvider("between"): { { Provider: addrs.NewDefaultProvider("between"), Version: getproviders.MustParseVersion("2.3.4"), PackageDir: expectedPackageInstallPath("between", "2.3.4", false), }, }, // The existing version of "exact" did not match the version constraints, // so we installed what the configuration selected as well. addrs.NewDefaultProvider("exact"): { { Provider: addrs.NewDefaultProvider("exact"), Version: getproviders.MustParseVersion("1.2.3"), PackageDir: expectedPackageInstallPath("exact", "1.2.3", false), }, // Previous version is still there, but not selected { Provider: addrs.NewDefaultProvider("exact"), Version: getproviders.MustParseVersion("0.0.1"), PackageDir: expectedPackageInstallPath("exact", "0.0.1", false), }, }, // The existing version of "greater-than" _did_ match the constraints, // but a newer version was available and the user specified // -upgrade and so we upgraded it anyway. addrs.NewDefaultProvider("greater-than"): { { Provider: addrs.NewDefaultProvider("greater-than"), Version: getproviders.MustParseVersion("2.3.4"), PackageDir: expectedPackageInstallPath("greater-than", "2.3.4", false), }, // Previous version is still there, but not selected { Provider: addrs.NewDefaultProvider("greater-than"), Version: getproviders.MustParseVersion("2.3.3"), PackageDir: expectedPackageInstallPath("greater-than", "2.3.3", false), }, }, } if diff := cmp.Diff(wantPackages, gotPackages); diff != "" { t.Errorf("wrong cache directory contents after upgrade\n%s", diff) } locks, err := m.lockedDependencies() if err != nil { t.Fatalf("failed to get locked dependencies: %s", err) } gotProviderLocks := locks.AllProviders() wantProviderLocks := map[addrs.Provider]*depsfile.ProviderLock{ addrs.NewDefaultProvider("between"): depsfile.NewProviderLock( addrs.NewDefaultProvider("between"), getproviders.MustParseVersion("2.3.4"), getproviders.MustParseVersionConstraints("> 1.0.0, < 3.0.0"), []getproviders.Hash{ getproviders.HashScheme1.New("JVqAvZz88A+hS2wHVtTWQkHaxoA/LrUAz0H3jPBWPIA="), }, ), addrs.NewDefaultProvider("exact"): depsfile.NewProviderLock( addrs.NewDefaultProvider("exact"), getproviders.MustParseVersion("1.2.3"), getproviders.MustParseVersionConstraints("= 1.2.3"), []getproviders.Hash{ getproviders.HashScheme1.New("H1TxWF8LyhBb6B4iUdKhLc/S9sC/jdcrCykpkbGcfbg="), }, ), addrs.NewDefaultProvider("greater-than"): depsfile.NewProviderLock( addrs.NewDefaultProvider("greater-than"), getproviders.MustParseVersion("2.3.4"), getproviders.MustParseVersionConstraints(">= 2.3.3"), []getproviders.Hash{ getproviders.HashScheme1.New("SJPpXx/yoFE/W+7eCipjJ+G21xbdnTBD7lWodZ8hWkU="), }, ), } if diff := cmp.Diff(gotProviderLocks, wantProviderLocks, depsfile.ProviderLockComparer); diff != "" { t.Errorf("wrong version selections after upgrade\n%s", diff) } } func TestInit_getProviderMissing(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-get-providers"), td) defer os.RemoveAll(td) defer testChdir(t, td)() providerSource, close := newMockProviderSource(t, map[string][]string{ // looking for exact version 1.2.3 "exact": {"1.2.4"}, // config requires >= 2.3.3 "greater-than": {"2.3.4", "2.3.3", "2.3.0"}, // config specifies "between": {"3.4.5", "2.3.4", "1.2.3"}, }) defer close() ui := new(cli.MockUi) view, _ := testView(t) m := Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, ProviderSource: providerSource, } c := &InitCommand{ Meta: m, } args := []string{} if code := c.Run(args); code == 0 { t.Fatalf("expected error, got output: \n%s", ui.OutputWriter.String()) } if !strings.Contains(ui.ErrorWriter.String(), "no available releases match") { t.Fatalf("unexpected error output: %s", ui.ErrorWriter) } } func TestInit_checkRequiredVersion(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-check-required-version"), td) defer os.RemoveAll(td) defer testChdir(t, td)() ui := cli.NewMockUi() view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, }, } args := []string{} if code := c.Run(args); code != 1 { t.Fatalf("got exit status %d; want 1\nstderr:\n%s\n\nstdout:\n%s", code, ui.ErrorWriter.String(), ui.OutputWriter.String()) } errStr := ui.ErrorWriter.String() if !strings.Contains(errStr, `required_version = "~> 0.9.0"`) { t.Fatalf("output should point to unmet version constraint, but is:\n\n%s", errStr) } if strings.Contains(errStr, `required_version = ">= 0.13.0"`) { t.Fatalf("output should not point to met version constraint, but is:\n\n%s", errStr) } } func TestInit_providerLockFile(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath("init-provider-lock-file"), td) defer os.RemoveAll(td) defer testChdir(t, td)() providerSource, close := newMockProviderSource(t, map[string][]string{ "test": {"1.2.3"}, }) defer close() ui := new(cli.MockUi) view, _ := testView(t) m := Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, ProviderSource: providerSource, } c := &InitCommand{ Meta: m, } args := []string{} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } lockFile := ".terraform.lock.hcl" buf, err := ioutil.ReadFile(lockFile) if err != nil { t.Fatalf("failed to read dependency lock file %s: %s", lockFile, err) } buf = bytes.TrimSpace(buf) // The hash in here is for the fake package that newMockProviderSource produces // (so it'll change if newMockProviderSource starts producing different contents) wantLockFile := strings.TrimSpace(` # This file is maintained automatically by "terraform init". # Manual edits may be lost in future updates. provider "registry.terraform.io/hashicorp/test" { version = "1.2.3" constraints = "1.2.3" hashes = [ "h1:wlbEC2mChQZ2hhgUhl6SeVLPP7fMqOFUZAQhQ9GIIno=", ] } `) if diff := cmp.Diff(wantLockFile, string(buf)); diff != "" { t.Errorf("wrong dependency lock file contents\n%s", diff) } // Make the local directory read-only, and verify that rerunning init // succeeds, to ensure that we don't try to rewrite an unchanged lock file os.Chmod(".", 0555) if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } } func TestInit_providerLockFileReadonly(t *testing.T) { // The hash in here is for the fake package that newMockProviderSource produces // (so it'll change if newMockProviderSource starts producing different contents) inputLockFile := strings.TrimSpace(` # This file is maintained automatically by "terraform init". # Manual edits may be lost in future updates. provider "registry.terraform.io/hashicorp/test" { version = "1.2.3" constraints = "1.2.3" hashes = [ "zh:e919b507a91e23a00da5c2c4d0b64bcc7900b68d43b3951ac0f6e5d80387fbdc", ] } `) badLockFile := strings.TrimSpace(` # This file is maintained automatically by "terraform init". # Manual edits may be lost in future updates. provider "registry.terraform.io/hashicorp/test" { version = "1.2.3" constraints = "1.2.3" hashes = [ "zh:0000000000000000000000000000000000000000000000000000000000000000", ] } `) updatedLockFile := strings.TrimSpace(` # This file is maintained automatically by "terraform init". # Manual edits may be lost in future updates. provider "registry.terraform.io/hashicorp/test" { version = "1.2.3" constraints = "1.2.3" hashes = [ "h1:wlbEC2mChQZ2hhgUhl6SeVLPP7fMqOFUZAQhQ9GIIno=", "zh:e919b507a91e23a00da5c2c4d0b64bcc7900b68d43b3951ac0f6e5d80387fbdc", ] } `) cases := []struct { desc string fixture string providers map[string][]string input string args []string ok bool want string }{ { desc: "default", fixture: "init-provider-lock-file", providers: map[string][]string{"test": {"1.2.3"}}, input: inputLockFile, args: []string{}, ok: true, want: updatedLockFile, }, { desc: "readonly", fixture: "init-provider-lock-file", providers: map[string][]string{"test": {"1.2.3"}}, input: inputLockFile, args: []string{"-lockfile=readonly"}, ok: true, want: inputLockFile, }, { desc: "conflict", fixture: "init-provider-lock-file", providers: map[string][]string{"test": {"1.2.3"}}, input: inputLockFile, args: []string{"-lockfile=readonly", "-upgrade"}, ok: false, want: inputLockFile, }, { desc: "checksum mismatch", fixture: "init-provider-lock-file", providers: map[string][]string{"test": {"1.2.3"}}, input: badLockFile, args: []string{"-lockfile=readonly"}, ok: false, want: badLockFile, }, { desc: "reject to change required provider dependences", fixture: "init-provider-lock-file-readonly-add", providers: map[string][]string{ "test": {"1.2.3"}, "foo": {"1.0.0"}, }, input: inputLockFile, args: []string{"-lockfile=readonly"}, ok: false, want: inputLockFile, }, } for _, tc := range cases { t.Run(tc.desc, func(t *testing.T) { // Create a temporary working directory that is empty td := tempDir(t) testCopyDir(t, testFixturePath(tc.fixture), td) defer os.RemoveAll(td) defer testChdir(t, td)() providerSource, close := newMockProviderSource(t, tc.providers) defer close() ui := new(cli.MockUi) m := Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, ProviderSource: providerSource, } c := &InitCommand{ Meta: m, } // write input lockfile lockFile := ".terraform.lock.hcl" if err := ioutil.WriteFile(lockFile, []byte(tc.input), 0644); err != nil { t.Fatalf("failed to write input lockfile: %s", err) } code := c.Run(tc.args) if tc.ok && code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } if !tc.ok && code == 0 { t.Fatalf("expected error, got output: \n%s", ui.OutputWriter.String()) } buf, err := ioutil.ReadFile(lockFile) if err != nil { t.Fatalf("failed to read dependency lock file %s: %s", lockFile, err) } buf = bytes.TrimSpace(buf) if diff := cmp.Diff(tc.want, string(buf)); diff != "" { t.Errorf("wrong dependency lock file contents\n%s", diff) } }) } } func TestInit_pluginDirReset(t *testing.T) { td := testTempDir(t) defer os.RemoveAll(td) defer testChdir(t, td)() // An empty provider source providerSource, close := newMockProviderSource(t, nil) defer close() ui := new(cli.MockUi) view, _ := testView(t) c := &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, ProviderSource: providerSource, }, } // make our vendor paths pluginPath := []string{"a", "b", "c"} for _, p := range pluginPath { if err := os.MkdirAll(p, 0755); err != nil { t.Fatal(err) } } // run once and save the -plugin-dir args := []string{"-plugin-dir", "a"} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter) } pluginDirs, err := c.loadPluginPath() if err != nil { t.Fatal(err) } if len(pluginDirs) != 1 || pluginDirs[0] != "a" { t.Fatalf(`expected plugin dir ["a"], got %q`, pluginDirs) } ui = new(cli.MockUi) c = &InitCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, ProviderSource: providerSource, // still empty }, } // make sure we remove the plugin-dir record args = []string{"-plugin-dir="} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter) } pluginDirs, err = c.loadPluginPath() if err != nil { t.Fatal(err) } if len(pluginDirs) != 0 { t.Fatalf("expected no plugin dirs got %q", pluginDirs) } } // Test user-supplied -plugin-dir func TestInit_pluginDirProviders(t *testing.T) { td := tempDir(t) testCopyDir(t, testFixturePath("init-get-providers"), td) defer os.RemoveAll(td) defer testChdir(t, td)() // An empty provider source providerSource, close := newMockProviderSource(t, nil) defer close() ui := new(cli.MockUi) view, _ := testView(t) m := Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, ProviderSource: providerSource, } c := &InitCommand{ Meta: m, } // make our vendor paths pluginPath := []string{"a", "b", "c"} for _, p := range pluginPath { if err := os.MkdirAll(p, 0755); err != nil { t.Fatal(err) } } // We'll put some providers in our plugin dirs. To do this, we'll pretend // for a moment that they are provider cache directories just because that // allows us to lean on our existing test helper functions to do this. for i, def := range [][]string{ {"exact", "1.2.3"}, {"greater-than", "2.3.4"}, {"between", "2.3.4"}, } { name, version := def[0], def[1] dir := providercache.NewDir(pluginPath[i]) installFakeProviderPackagesElsewhere(t, dir, map[string][]string{ name: {version}, }) } args := []string{ "-plugin-dir", "a", "-plugin-dir", "b", "-plugin-dir", "c", } if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter) } locks, err := m.lockedDependencies() if err != nil { t.Fatalf("failed to get locked dependencies: %s", err) } gotProviderLocks := locks.AllProviders() wantProviderLocks := map[addrs.Provider]*depsfile.ProviderLock{ addrs.NewDefaultProvider("between"): depsfile.NewProviderLock( addrs.NewDefaultProvider("between"), getproviders.MustParseVersion("2.3.4"), getproviders.MustParseVersionConstraints("> 1.0.0, < 3.0.0"), []getproviders.Hash{ getproviders.HashScheme1.New("JVqAvZz88A+hS2wHVtTWQkHaxoA/LrUAz0H3jPBWPIA="), }, ), addrs.NewDefaultProvider("exact"): depsfile.NewProviderLock( addrs.NewDefaultProvider("exact"), getproviders.MustParseVersion("1.2.3"), getproviders.MustParseVersionConstraints("= 1.2.3"), []getproviders.Hash{ getproviders.HashScheme1.New("H1TxWF8LyhBb6B4iUdKhLc/S9sC/jdcrCykpkbGcfbg="), }, ), addrs.NewDefaultProvider("greater-than"): depsfile.NewProviderLock( addrs.NewDefaultProvider("greater-than"), getproviders.MustParseVersion("2.3.4"), getproviders.MustParseVersionConstraints(">= 2.3.3"), []getproviders.Hash{ getproviders.HashScheme1.New("SJPpXx/yoFE/W+7eCipjJ+G21xbdnTBD7lWodZ8hWkU="), }, ), } if diff := cmp.Diff(gotProviderLocks, wantProviderLocks, depsfile.ProviderLockComparer); diff != "" { t.Errorf("wrong version selections after upgrade\n%s", diff) } // -plugin-dir overrides the normal provider source, so it should not have // seen any calls at all. if calls := providerSource.CallLog(); len(calls) > 0 { t.Errorf("unexpected provider source calls (want none)\n%s", spew.Sdump(calls)) } } // Test user-supplied -plugin-dir doesn't allow auto-install func TestInit_pluginDirProvidersDoesNotGet(t *testing.T) { td := tempDir(t) testCopyDir(t, testFixturePath("init-get-providers"), td) defer os.RemoveAll(td) defer testChdir(t, td)() // Our provider source has a suitable package for "between" available, // but we should ignore it because -plugin-dir is set and thus this // source is temporarily overridden during install. providerSource, close := newMockProviderSource(t, map[string][]string{ "between": {"2.3.4"}, }) defer close() ui := cli.NewMockUi() view, _ := testView(t) m := Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, ProviderSource: providerSource, } c := &InitCommand{ Meta: m, } // make our vendor paths pluginPath := []string{"a", "b"} for _, p := range pluginPath { if err := os.MkdirAll(p, 0755); err != nil { t.Fatal(err) } } // We'll put some providers in our plugin dirs. To do this, we'll pretend // for a moment that they are provider cache directories just because that // allows us to lean on our existing test helper functions to do this. for i, def := range [][]string{ {"exact", "1.2.3"}, {"greater-than", "2.3.4"}, } { name, version := def[0], def[1] dir := providercache.NewDir(pluginPath[i]) installFakeProviderPackagesElsewhere(t, dir, map[string][]string{ name: {version}, }) } args := []string{ "-plugin-dir", "a", "-plugin-dir", "b", } if code := c.Run(args); code == 0 { // should have been an error t.Fatalf("succeeded; want error\nstdout:\n%s\nstderr\n%s", ui.OutputWriter, ui.ErrorWriter) } // The error output should mention the "between" provider but should not // mention either the "exact" or "greater-than" provider, because the // latter two are available via the -plugin-dir directories. errStr := ui.ErrorWriter.String() if subStr := "hashicorp/between"; !strings.Contains(errStr, subStr) { t.Errorf("error output should mention the 'between' provider\nwant substr: %s\ngot:\n%s", subStr, errStr) } if subStr := "hashicorp/exact"; strings.Contains(errStr, subStr) { t.Errorf("error output should not mention the 'exact' provider\ndo not want substr: %s\ngot:\n%s", subStr, errStr) } if subStr := "hashicorp/greater-than"; strings.Contains(errStr, subStr) { t.Errorf("error output should not mention the 'greater-than' provider\ndo not want substr: %s\ngot:\n%s", subStr, errStr) } if calls := providerSource.CallLog(); len(calls) > 0 { t.Errorf("unexpected provider source calls (want none)\n%s", spew.Sdump(calls)) } } // Verify that plugin-dir doesn't prevent discovery of internal providers func TestInit_pluginDirWithBuiltIn(t *testing.T) { td := tempDir(t) testCopyDir(t, testFixturePath("init-internal"), td) defer os.RemoveAll(td) defer testChdir(t, td)() // An empty provider source providerSource, close := newMockProviderSource(t, nil) defer close() ui := cli.NewMockUi() view, _ := testView(t) m := Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, ProviderSource: providerSource, } c := &InitCommand{ Meta: m, } args := []string{"-plugin-dir", "./"} if code := c.Run(args); code != 0 { t.Fatalf("error: %s", ui.ErrorWriter) } outputStr := ui.OutputWriter.String() if subStr := "terraform.io/builtin/terraform is built in to Terraform"; !strings.Contains(outputStr, subStr) { t.Errorf("output should mention the terraform provider\nwant substr: %s\ngot:\n%s", subStr, outputStr) } } func TestInit_invalidBuiltInProviders(t *testing.T) { // This test fixture includes two invalid provider dependencies: // - an implied dependency on terraform.io/builtin/terraform with an // explicit version number, which is not allowed because it's builtin. // - an explicit dependency on terraform.io/builtin/nonexist, which does // not exist at all. td := tempDir(t) testCopyDir(t, testFixturePath("init-internal-invalid"), td) defer os.RemoveAll(td) defer testChdir(t, td)() // An empty provider source providerSource, close := newMockProviderSource(t, nil) defer close() ui := cli.NewMockUi() view, _ := testView(t) m := Meta{ testingOverrides: metaOverridesForProvider(testProvider()), Ui: ui, View: view, ProviderSource: providerSource, } c := &InitCommand{ Meta: m, } if code := c.Run(nil); code == 0 { t.Fatalf("succeeded, but was expecting error\nstdout:\n%s\nstderr:\n%s", ui.OutputWriter, ui.ErrorWriter) } errStr := ui.ErrorWriter.String() if subStr := "Cannot use terraform.io/builtin/terraform: built-in"; !strings.Contains(errStr, subStr) { t.Errorf("error output should mention the terraform provider\nwant substr: %s\ngot:\n%s", subStr, errStr) } if subStr := "Cannot use terraform.io/builtin/nonexist: this Terraform release"; !strings.Contains(errStr, subStr) { t.Errorf("error output should mention the 'nonexist' provider\nwant substr: %s\ngot:\n%s", subStr, errStr) } } // newMockProviderSource is a helper to succinctly construct a mock provider // source that contains a set of packages matching the given provider versions // that are available for installation (from temporary local files). // // The caller must call the returned close callback once the source is no // longer needed, at which point it will clean up all of the temporary files // and the packages in the source will no longer be available for installation. // // Provider addresses must be valid source strings, and passing only the // provider name will be interpreted as a "default" provider under // registry.terraform.io/hashicorp. If you need more control over the // provider addresses, pass a full provider source string. // // This function also registers providers as belonging to the current platform, // to ensure that they will be available to a provider installer operating in // its default configuration. // // In case of any errors while constructing the source, this function will // abort the current test using the given testing.T. Therefore a caller can // assume that if this function returns then the result is valid and ready // to use. func newMockProviderSource(t *testing.T, availableProviderVersions map[string][]string) (source *getproviders.MockSource, close func()) { t.Helper() var packages []getproviders.PackageMeta var closes []func() close = func() { for _, f := range closes { f() } } for source, versions := range availableProviderVersions { addr := addrs.MustParseProviderSourceString(source) for _, versionStr := range versions { version, err := getproviders.ParseVersion(versionStr) if err != nil { close() t.Fatalf("failed to parse %q as a version number for %q: %s", versionStr, addr.ForDisplay(), err) } meta, close, err := getproviders.FakeInstallablePackageMeta(addr, version, getproviders.VersionList{getproviders.MustParseVersion("5.0")}, getproviders.CurrentPlatform, "") if err != nil { close() t.Fatalf("failed to prepare fake package for %s %s: %s", addr.ForDisplay(), versionStr, err) } closes = append(closes, close) packages = append(packages, meta) } } return getproviders.NewMockSource(packages, nil), close } // installFakeProviderPackages installs a fake package for the given provider // names (interpreted as a "default" provider address) and versions into the // local plugin cache for the given "meta". // // Any test using this must be using testChdir or some similar mechanism to // make sure that it isn't writing directly into a test fixture or source // directory within the codebase. // // If a requested package cannot be installed for some reason, this function // will abort the test using the given testing.T. Therefore if this function // returns the caller can assume that the requested providers have been // installed. func installFakeProviderPackages(t *testing.T, meta *Meta, providerVersions map[string][]string) { t.Helper() cacheDir := meta.providerLocalCacheDir() installFakeProviderPackagesElsewhere(t, cacheDir, providerVersions) } // installFakeProviderPackagesElsewhere is a variant of installFakeProviderPackages // that will install packages into the given provider cache directory, rather // than forcing the use of the local cache of the current "Meta". func installFakeProviderPackagesElsewhere(t *testing.T, cacheDir *providercache.Dir, providerVersions map[string][]string) { t.Helper() // It can be hard to spot the mistake of forgetting to run testChdir before // modifying the working directory, so we'll use a simple heuristic here // to try to detect that mistake and make a noisy error about it instead. wd, err := os.Getwd() if err == nil { wd = filepath.Clean(wd) // If the directory we're in is named "command" or if we're under a // directory named "testdata" then we'll assume a mistake and generate // an error. This will cause the test to fail but won't block it from // running. if filepath.Base(wd) == "command" || filepath.Base(wd) == "testdata" || strings.Contains(filepath.ToSlash(wd), "/testdata/") { t.Errorf("installFakeProviderPackage may be used only by tests that switch to a temporary working directory, e.g. using testChdir") } } for name, versions := range providerVersions { addr := addrs.NewDefaultProvider(name) for _, versionStr := range versions { version, err := getproviders.ParseVersion(versionStr) if err != nil { t.Fatalf("failed to parse %q as a version number for %q: %s", versionStr, name, err) } meta, close, err := getproviders.FakeInstallablePackageMeta(addr, version, getproviders.VersionList{getproviders.MustParseVersion("5.0")}, getproviders.CurrentPlatform, "") // We're going to install all these fake packages before we return, // so we don't need to preserve them afterwards. defer close() if err != nil { t.Fatalf("failed to prepare fake package for %s %s: %s", name, versionStr, err) } _, err = cacheDir.InstallPackage(context.Background(), meta, nil) if err != nil { t.Fatalf("failed to install fake package for %s %s: %s", name, versionStr, err) } } } } // expectedPackageInstallPath is a companion to installFakeProviderPackages // that returns the path where the provider with the given name and version // would be installed and, relatedly, where the installer will expect to // find an already-installed version. // // Just as with installFakeProviderPackages, this function is a shortcut helper // for "default-namespaced" providers as we commonly use in tests. If you need // more control over the provider addresses, use functions of the underlying // getproviders and providercache packages instead. // // The result always uses forward slashes, even on Windows, for consistency // with how the getproviders and providercache packages build paths. func expectedPackageInstallPath(name, version string, exe bool) string { platform := getproviders.CurrentPlatform baseDir := ".terraform/providers" if exe { p := fmt.Sprintf("registry.terraform.io/hashicorp/%s/%s/%s/terraform-provider-%s_%s", name, version, platform, name, version) if platform.OS == "windows" { p += ".exe" } return filepath.ToSlash(filepath.Join(baseDir, p)) } return filepath.ToSlash(filepath.Join( baseDir, fmt.Sprintf("registry.terraform.io/hashicorp/%s/%s/%s", name, version, platform), )) }