terraform/command/e2etest/init_test.go

169 lines
4.9 KiB
Go
Raw Normal View History

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, "- Downloading plugin for provider \"template\" (terraform-providers/template)") {
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, "* provider.template: version = ") {
t.Errorf("provider pinning recommendation 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, "Downloading plugin for provider") {
// 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 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/os_arch")
wantMachineDir := tf.Path("cache", fmt.Sprintf("%s_%s", runtime.GOOS, runtime.GOARCH))
os.Rename(fixtMachineDir, wantMachineDir)
cmd := tf.Cmd("init")
cmd.Env = append(cmd.Env, "TF_PLUGIN_CACHE_DIR=./cache")
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\n", stderr)
}
path := fmt.Sprintf(".terraform/plugins/%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")
}
if !tf.FileExists(fmt.Sprintf(".terraform/plugins/%s_%s/terraform-provider-null_v2.1.0_x4", runtime.GOOS, runtime.GOARCH)) {
t.Errorf("null plugin was not installed")
}
if !tf.FileExists(fmt.Sprintf("cache/%s_%s/terraform-provider-null_v2.1.0_x4", runtime.GOOS, runtime.GOARCH)) {
t.Errorf("null plugin is not in cache after install")
}
}
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)
}
}