package e2etest import ( "path/filepath" "reflect" "sort" "strings" "testing" "github.com/davecgh/go-spew/spew" "github.com/hashicorp/terraform/e2e" "github.com/hashicorp/terraform/plans" "github.com/zclconf/go-cty/cty" ) // The tests in this file are for the "primary workflow", which includes // variants of the following sequence, with different details: // terraform init // terraform plan // terraform apply // terraform destroy func TestPrimarySeparatePlan(t *testing.T) { t.Parallel() // This test reaches out to releases.hashicorp.com to download the // template and null providers, so it can only run if network access is // allowed. skipIfCannotAccessNetwork(t) fixturePath := filepath.Join("testdata", "full-workflow-null") tf := e2e.NewBinary(terraformBin, fixturePath) defer tf.Close() //// INIT stdout, stderr, err := tf.Run("init") if err != nil { t.Fatalf("unexpected init error: %s\nstderr:\n%s", err, stderr) } // Make sure we actually downloaded the plugins, rather than picking up // copies that might be already installed globally on the system. if !strings.Contains(stdout, "Installing hashicorp/template v") { t.Errorf("template provider download message is missing from init 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, "Installing hashicorp/null v") { t.Errorf("null provider download message is missing from init 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)") } //// PLAN stdout, stderr, err = tf.Run("plan", "-out=tfplan") if err != nil { t.Fatalf("unexpected plan error: %s\nstderr:\n%s", err, stderr) } if !strings.Contains(stdout, "1 to add, 0 to change, 0 to destroy") { t.Errorf("incorrect plan tally; want 1 to add:\n%s", stdout) } if !strings.Contains(stdout, "Saved the plan to: tfplan") { t.Errorf("missing \"Saved the plan to...\" message in plan output\n%s", stdout) } if !strings.Contains(stdout, "terraform apply \"tfplan\"") { t.Errorf("missing next-step instruction in plan output\n%s", stdout) } plan, err := tf.Plan("tfplan") if err != nil { t.Fatalf("failed to read plan file: %s", err) } diffResources := plan.Changes.Resources if len(diffResources) != 1 { t.Errorf("incorrect number of resources in plan") } expected := map[string]plans.Action{ "null_resource.test": plans.Create, } for _, r := range diffResources { expectedAction, ok := expected[r.Addr.String()] if !ok { t.Fatalf("unexpected change for %q", r.Addr) } if r.Action != expectedAction { t.Fatalf("unexpected action %q for %q", r.Action, r.Addr) } } //// APPLY stdout, stderr, err = tf.Run("apply", "tfplan") if err != nil { t.Fatalf("unexpected apply error: %s\nstderr:\n%s", err, stderr) } if !strings.Contains(stdout, "Resources: 1 added, 0 changed, 0 destroyed") { t.Errorf("incorrect apply tally; want 1 added:\n%s", stdout) } state, err := tf.LocalState() if err != nil { t.Fatalf("failed to read state file: %s", err) } stateResources := state.RootModule().Resources var gotResources []string for n := range stateResources { gotResources = append(gotResources, n) } sort.Strings(gotResources) wantResources := []string{ "data.template_file.test", "null_resource.test", } if !reflect.DeepEqual(gotResources, wantResources) { t.Errorf("wrong resources in state\ngot: %#v\nwant: %#v", gotResources, wantResources) } //// DESTROY stdout, stderr, err = tf.Run("destroy", "-auto-approve") if err != nil { t.Fatalf("unexpected destroy error: %s\nstderr:\n%s", err, stderr) } if !strings.Contains(stdout, "Resources: 1 destroyed") { t.Errorf("incorrect destroy tally; want 1 destroyed:\n%s", stdout) } state, err = tf.LocalState() if err != nil { t.Fatalf("failed to read state file after destroy: %s", err) } stateResources = state.RootModule().Resources if len(stateResources) != 0 { t.Errorf("wrong resources in state after destroy; want none, but still have:%s", spew.Sdump(stateResources)) } } func TestPrimaryChdirOption(t *testing.T) { t.Parallel() // This test case does not include any provider dependencies, so it's // safe to run it even when network access is disallowed. fixturePath := filepath.Join("testdata", "chdir-option") tf := e2e.NewBinary(terraformBin, fixturePath) defer tf.Close() //// INIT _, stderr, err := tf.Run("-chdir=subdir", "init") if err != nil { t.Fatalf("unexpected init error: %s\nstderr:\n%s", err, stderr) } //// PLAN stdout, stderr, err := tf.Run("-chdir=subdir", "plan", "-out=tfplan") if err != nil { t.Fatalf("unexpected plan error: %s\nstderr:\n%s", err, stderr) } if want := "You can apply this plan to save these new output values"; !strings.Contains(stdout, want) { t.Errorf("missing expected message for an outputs-only plan\ngot:\n%s\n\nwant substring: %s", stdout, want) } if !strings.Contains(stdout, "Saved the plan to: tfplan") { t.Errorf("missing \"Saved the plan to...\" message in plan output\n%s", stdout) } if !strings.Contains(stdout, "terraform apply \"tfplan\"") { t.Errorf("missing next-step instruction in plan output\n%s", stdout) } // The saved plan is in the subdirectory because -chdir switched there plan, err := tf.Plan("subdir/tfplan") if err != nil { t.Fatalf("failed to read plan file: %s", err) } diffResources := plan.Changes.Resources if len(diffResources) != 0 { t.Errorf("incorrect diff in plan; want no resource changes, but have:\n%s", spew.Sdump(diffResources)) } //// APPLY stdout, stderr, err = tf.Run("-chdir=subdir", "apply", "tfplan") if err != nil { t.Fatalf("unexpected apply error: %s\nstderr:\n%s", err, stderr) } if !strings.Contains(stdout, "Resources: 0 added, 0 changed, 0 destroyed") { t.Errorf("incorrect apply tally; want 0 added:\n%s", stdout) } // The state file is in subdir because -chdir changed the current working directory. state, err := tf.StateFromFile("subdir/terraform.tfstate") if err != nil { t.Fatalf("failed to read state file: %s", err) } gotOutput := state.RootModule().OutputValues["cwd"] wantOutputValue := cty.StringVal(tf.Path()) // path.cwd returns the original path, because path.root is how we get the overridden path if gotOutput == nil || !wantOutputValue.RawEquals(gotOutput.Value) { t.Errorf("incorrect value for cwd output\ngot: %#v\nwant Value: %#v", gotOutput, wantOutputValue) } gotOutput = state.RootModule().OutputValues["root"] wantOutputValue = cty.StringVal(tf.Path("subdir")) // path.root is a relative path, but the text fixture uses abspath on it. if gotOutput == nil || !wantOutputValue.RawEquals(gotOutput.Value) { t.Errorf("incorrect value for root output\ngot: %#v\nwant Value: %#v", gotOutput, wantOutputValue) } if len(state.RootModule().Resources) != 0 { t.Errorf("unexpected resources in state") } //// DESTROY stdout, stderr, err = tf.Run("-chdir=subdir", "destroy", "-auto-approve") if err != nil { t.Fatalf("unexpected destroy error: %s\nstderr:\n%s", err, stderr) } if !strings.Contains(stdout, "Resources: 0 destroyed") { t.Errorf("incorrect destroy tally; want 0 destroyed:\n%s", stdout) } }