package e2etest import ( "bytes" "fmt" "os" "path/filepath" "runtime" "strings" "testing" "github.com/hashicorp/terraform/e2e" ) func TestInitProviders(t *testing.T) { t.Parallel() // This test reaches out to releases.hashicorp.com to download the // template provider, so it can only run if network access is allowed. // We intentionally don't try to stub this here, because there's already // a stubbed version of this in the "command" package and so the goal here // is to test the interaction with the real repository. skipIfCannotAccessNetwork(t) fixturePath := filepath.Join("testdata", "template-provider") tf := e2e.NewBinary(terraformBin, fixturePath) defer tf.Close() stdout, stderr, err := tf.Run("init") if err != nil { t.Errorf("unexpected error: %s", err) } if stderr != "" { t.Errorf("unexpected stderr output:\n%s", stderr) } if !strings.Contains(stdout, "Terraform has been successfully initialized!") { t.Errorf("success message is missing from output:\n%s", stdout) } if !strings.Contains(stdout, "- Installing hashicorp/template v") { t.Errorf("provider download message is missing from output:\n%s", stdout) t.Logf("(this can happen if you have a copy of the plugin in one of the global plugin search dirs)") } if !strings.Contains(stdout, "Terraform has created a lock file") { t.Errorf("lock file notification is missing from output:\n%s", stdout) } } func TestInitProvidersInternal(t *testing.T) { t.Parallel() // This test should _not_ reach out anywhere because the "terraform" // provider is internal to the core terraform binary. fixturePath := filepath.Join("testdata", "terraform-provider") tf := e2e.NewBinary(terraformBin, fixturePath) defer tf.Close() stdout, stderr, err := tf.Run("init") if err != nil { t.Errorf("unexpected error: %s", err) } if stderr != "" { t.Errorf("unexpected stderr output:\n%s", stderr) } if !strings.Contains(stdout, "Terraform has been successfully initialized!") { t.Errorf("success message is missing from output:\n%s", stdout) } if strings.Contains(stdout, "Installing hashicorp/terraform") { // Shouldn't have downloaded anything with this config, because the // provider is built in. t.Errorf("provider download message appeared in output:\n%s", stdout) } if strings.Contains(stdout, "Installing terraform.io/builtin/terraform") { // Shouldn't have downloaded anything with this config, because the // provider is built in. t.Errorf("provider download message appeared in output:\n%s", stdout) } } func TestInitProvidersVendored(t *testing.T) { t.Parallel() // This test will try to reach out to registry.terraform.io as one of the // possible installation locations for // hashicorp/null, where it will find that // versions do exist but will ultimately select the version that is // vendored due to the version constraint. skipIfCannotAccessNetwork(t) fixturePath := filepath.Join("testdata", "vendored-provider") tf := e2e.NewBinary(terraformBin, fixturePath) defer tf.Close() // Our fixture dir has a generic os_arch dir, which we need to customize // to the actual OS/arch where this test is running in order to get the // desired result. fixtMachineDir := tf.Path("terraform.d/plugins/registry.terraform.io/hashicorp/null/1.0.0+local/os_arch") wantMachineDir := tf.Path("terraform.d/plugins/registry.terraform.io/hashicorp/null/1.0.0+local/", fmt.Sprintf("%s_%s", runtime.GOOS, runtime.GOARCH)) err := os.Rename(fixtMachineDir, wantMachineDir) if err != nil { t.Fatalf("unexpected error: %s", err) } stdout, stderr, err := tf.Run("init") if err != nil { t.Errorf("unexpected error: %s", err) } if stderr != "" { t.Errorf("unexpected stderr output:\n%s", stderr) } if !strings.Contains(stdout, "Terraform has been successfully initialized!") { t.Errorf("success message is missing from output:\n%s", stdout) } if !strings.Contains(stdout, "- Installing hashicorp/null v1.0.0+local") { t.Errorf("provider download message is missing from output:\n%s", stdout) t.Logf("(this can happen if you have a copy of the plugin in one of the global plugin search dirs)") } } func TestInitProvidersLocalOnly(t *testing.T) { t.Parallel() // This test should not reach out to the network if it is behaving as // intended. If it _does_ try to access an upstream registry and encounter // an error doing so then that's a legitimate test failure that should be // fixed. (If it incorrectly reaches out anywhere then it's likely to be // to the host "example.com", which is the placeholder domain we use in // the test fixture.) fixturePath := filepath.Join("testdata", "local-only-provider") tf := e2e.NewBinary(terraformBin, fixturePath) // If you run this test on a workstation with a plugin-cache directory // configured, it will leave a bad directory behind and terraform init will // not work until you remove it. // // To avoid this, we will "zero out" any existing cli config file. tf.AddEnv("TF_CLI_CONFIG_FILE=\"\"") defer tf.Close() // Our fixture dir has a generic os_arch dir, which we need to customize // to the actual OS/arch where this test is running in order to get the // desired result. fixtMachineDir := tf.Path("terraform.d/plugins/example.com/awesomecorp/happycloud/1.2.0/os_arch") wantMachineDir := tf.Path("terraform.d/plugins/example.com/awesomecorp/happycloud/1.2.0/", fmt.Sprintf("%s_%s", runtime.GOOS, runtime.GOARCH)) err := os.Rename(fixtMachineDir, wantMachineDir) if err != nil { t.Fatalf("unexpected error: %s", err) } stdout, stderr, err := tf.Run("init") if err != nil { t.Errorf("unexpected error: %s", err) } if stderr != "" { t.Errorf("unexpected stderr output:\n%s", stderr) } if !strings.Contains(stdout, "Terraform has been successfully initialized!") { t.Errorf("success message is missing from output:\n%s", stdout) } if !strings.Contains(stdout, "- Installing example.com/awesomecorp/happycloud v1.2.0") { t.Errorf("provider download message is missing from output:\n%s", stdout) t.Logf("(this can happen if you have a conflicting copy of the plugin in one of the global plugin search dirs)") } } func TestInitProvidersCustomMethod(t *testing.T) { t.Parallel() // This test should not reach out to the network if it is behaving as // intended. If it _does_ try to access an upstream registry and encounter // an error doing so then that's a legitimate test failure that should be // fixed. (If it incorrectly reaches out anywhere then it's likely to be // to the host "example.com", which is the placeholder domain we use in // the test fixture.) for _, configFile := range []string{"cliconfig.tfrc", "cliconfig.tfrc.json"} { t.Run(configFile, func(t *testing.T) { fixturePath := filepath.Join("testdata", "custom-provider-install-method") tf := e2e.NewBinary(terraformBin, fixturePath) defer tf.Close() // Our fixture dir has a generic os_arch dir, which we need to customize // to the actual OS/arch where this test is running in order to get the // desired result. fixtMachineDir := tf.Path("fs-mirror/example.com/awesomecorp/happycloud/1.2.0/os_arch") wantMachineDir := tf.Path("fs-mirror/example.com/awesomecorp/happycloud/1.2.0/", fmt.Sprintf("%s_%s", runtime.GOOS, runtime.GOARCH)) err := os.Rename(fixtMachineDir, wantMachineDir) if err != nil { t.Fatalf("unexpected error: %s", err) } // We'll use a local CLI configuration file taken from our fixture // directory so we can force a custom installation method config. tf.AddEnv("TF_CLI_CONFIG_FILE=" + tf.Path(configFile)) stdout, stderr, err := tf.Run("init") if err != nil { t.Errorf("unexpected error: %s", err) } if stderr != "" { t.Errorf("unexpected stderr output:\n%s", stderr) } if !strings.Contains(stdout, "Terraform has been successfully initialized!") { t.Errorf("success message is missing from output:\n%s", stdout) } if !strings.Contains(stdout, "- Installing example.com/awesomecorp/happycloud v1.2.0") { t.Errorf("provider download message is missing from output:\n%s", stdout) } }) } } func TestInitProviders_pluginCache(t *testing.T) { t.Parallel() // This test reaches out to releases.hashicorp.com to access plugin // metadata, and download the null plugin, though the template plugin // should come from local cache. skipIfCannotAccessNetwork(t) fixturePath := filepath.Join("testdata", "plugin-cache") tf := e2e.NewBinary(terraformBin, fixturePath) defer tf.Close() // Our fixture dir has a generic os_arch dir, which we need to customize // to the actual OS/arch where this test is running in order to get the // desired result. fixtMachineDir := tf.Path("cache/registry.terraform.io/hashicorp/template/2.1.0/os_arch") wantMachineDir := tf.Path("cache/registry.terraform.io/hashicorp/template/2.1.0/", fmt.Sprintf("%s_%s", runtime.GOOS, runtime.GOARCH)) err := os.Rename(fixtMachineDir, wantMachineDir) if err != nil { t.Fatalf("unexpected error: %s", err) } cmd := tf.Cmd("init") // convert the slashes if building for windows. p := filepath.FromSlash("./cache") cmd.Env = append(cmd.Env, "TF_PLUGIN_CACHE_DIR="+p) err = cmd.Run() if err != nil { t.Errorf("unexpected error: %s", err) } path := filepath.FromSlash(fmt.Sprintf(".terraform/providers/registry.terraform.io/hashicorp/template/2.1.0/%s_%s/terraform-provider-template_v2.1.0_x4", runtime.GOOS, runtime.GOARCH)) content, err := tf.ReadFile(path) if err != nil { t.Fatalf("failed to read installed plugin from %s: %s", path, err) } if strings.TrimSpace(string(content)) != "this is not a real plugin" { t.Errorf("template plugin was not installed from local cache") } nullLinkPath := filepath.FromSlash(fmt.Sprintf(".terraform/providers/registry.terraform.io/hashicorp/null/2.1.0/%s_%s/terraform-provider-null_v2.1.0_x4", runtime.GOOS, runtime.GOARCH)) if runtime.GOOS == "windows" { nullLinkPath = nullLinkPath + ".exe" } if !tf.FileExists(nullLinkPath) { t.Errorf("null plugin was not installed into %s", nullLinkPath) } nullCachePath := filepath.FromSlash(fmt.Sprintf("cache/registry.terraform.io/hashicorp/null/2.1.0/%s_%s/terraform-provider-null_v2.1.0_x4", runtime.GOOS, runtime.GOARCH)) if runtime.GOOS == "windows" { nullCachePath = nullCachePath + ".exe" } if !tf.FileExists(nullCachePath) { t.Errorf("null plugin is not in cache after install. expected in: %s", nullCachePath) } } func TestInit_fromModule(t *testing.T) { t.Parallel() // This test reaches out to registry.terraform.io and github.com to lookup // and fetch a module. skipIfCannotAccessNetwork(t) fixturePath := filepath.Join("testdata", "empty") tf := e2e.NewBinary(terraformBin, fixturePath) defer tf.Close() cmd := tf.Cmd("init", "-from-module=hashicorp/vault/aws") cmd.Stdin = nil cmd.Stderr = &bytes.Buffer{} err := cmd.Run() if err != nil { t.Errorf("unexpected error: %s", err) } stderr := cmd.Stderr.(*bytes.Buffer).String() if stderr != "" { t.Errorf("unexpected stderr output:\n%s", stderr) } content, err := tf.ReadFile("main.tf") if err != nil { t.Fatalf("failed to read main.tf: %s", err) } if !bytes.Contains(content, []byte("vault")) { t.Fatalf("main.tf doesn't appear to be a vault configuration: \n%s", content) } } func TestInitProviderNotFound(t *testing.T) { t.Parallel() // This test will reach out to registry.terraform.io as one of the possible // installation locations for hashicorp/nonexist, which should not exist. skipIfCannotAccessNetwork(t) fixturePath := filepath.Join("testdata", "provider-not-found") tf := e2e.NewBinary(terraformBin, fixturePath) tf.AddEnv("TF_CLI_ARGS=-no-color") defer tf.Close() t.Run("registry provider not found", func(t *testing.T) { _, stderr, err := tf.Run("init") if err == nil { t.Fatal("expected error, got success") } oneLineStderr := strings.ReplaceAll(stderr, "\n│", "") if !strings.Contains(oneLineStderr, "provider registry registry.terraform.io does not have a provider named registry.terraform.io/hashicorp/nonexist") { t.Errorf("expected error message is missing from output:\n%s", oneLineStderr) } }) t.Run("local provider not found", func(t *testing.T) { // The -plugin-dir directory must exist for the provider installer to search it. pluginDir := tf.Path("empty") if err := os.Mkdir(pluginDir, os.ModePerm); err != nil { t.Fatal(err) } _, stderr, err := tf.Run("init", "-plugin-dir="+pluginDir) if err == nil { t.Fatal("expected error, got success") } oneLineStderr := strings.ReplaceAll(stderr, "\n│", "") if !strings.Contains(oneLineStderr, "provider registry.terraform.io/hashicorp/nonexist was not found in any of the search locations - "+pluginDir) { t.Errorf("expected error message is missing from output:\n%s", oneLineStderr) } }) } func TestInitProviderWarnings(t *testing.T) { t.Parallel() // This test will reach out to registry.terraform.io as one of the possible // installation locations for hashicorp/nonexist, which should not exist. skipIfCannotAccessNetwork(t) fixturePath := filepath.Join("testdata", "provider-warnings") tf := e2e.NewBinary(terraformBin, fixturePath) defer tf.Close() stdout, _, err := tf.Run("init") if err == nil { t.Fatal("expected error, got success") } if !strings.Contains(stdout, "This provider is archived and no longer needed.") { t.Errorf("expected warning message is missing from output:\n%s", stdout) } }