terraform/backend/remote/backend_test.go

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package remote
import (
"reflect"
"strings"
"testing"
"github.com/hashicorp/terraform/backend"
"github.com/hashicorp/terraform/svchost/disco"
"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 does not exist",
},
"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",
},
"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`,
},
}
for name, tc := range cases {
s := testServer(t)
b := New(testDisco(s))
// Validate
valDiags := b.ValidateConfig(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 := version.Prerelease
v := version.Version
defer func() {
version.Prerelease = p
version.Version = v
}()
for name, tc := range cases {
s := testServer(t)
b := New(testDisco(s))
// Set the version for this test.
version.Prerelease = tc.prerelease
version.Version = tc.version
// Validate
valDiags := b.ValidateConfig(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 := version.Prerelease
v := version.Version
defer func() {
version.Prerelease = p
version.Version = v
}()
for name, tc := range cases {
// Set the version for this test.
version.Prerelease = tc.prerelease
version.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())
}
}
}