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apply_test.go
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package instance
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"strings"
"testing"
"time"
terraform_types "github.com/docker/infrakit/pkg/provider/terraform/instance/types"
"github.com/spf13/afero"
"github.com/stretchr/testify/require"
. "github.com/docker/infrakit/pkg/testing"
"github.com/docker/infrakit/pkg/types"
)
func TestRunTerraformApply(t *testing.T) {
// Run this test locally only if terraform is set up
if SkipTests("terraform") {
t.SkipNow()
}
dir, err := os.Getwd()
require.NoError(t, err)
dir = path.Join(dir, "aws-two-tier")
options := terraform_types.Options{
Dir: dir,
PollInterval: types.FromDuration(2 * time.Minute),
}
terraform, err := NewTerraformInstancePlugin(options, nil)
require.NoError(t, err)
p, _ := terraform.(*plugin)
err = p.doTerraformApply()
require.NoError(t, err)
}
func TestContinuePollingStandalone(t *testing.T) {
dir, err := ioutil.TempDir("", "infrakit-instance-terraform")
require.NoError(t, err)
defer os.RemoveAll(dir)
options := terraform_types.Options{
Dir: dir,
Standalone: true,
PollInterval: types.FromDuration(2 * time.Minute),
}
terraform, err := NewTerraformInstancePlugin(options, nil)
require.NoError(t, err)
p, _ := terraform.(*plugin)
shoudApply := p.shouldApply()
require.True(t, shoudApply)
}
// resInfo holds the resource type and resource name
type resInfo struct {
ResType TResourceType
ResName TResourceName
ResProps TResourceProperties
}
// fileInfo holds the data for a file to create in the plugin's working dir
type fileInfo struct {
ResInfo []resInfo
NewFile bool
FilePrefix string
Plugin *plugin
}
// writeFile is a utility function to write out a terraform file
func writeFileInfo(info fileInfo, t *testing.T) {
require.NotZero(t, len(info.ResInfo))
inst := make(map[TResourceType]map[TResourceName]TResourceProperties)
for _, resInfo := range info.ResInfo {
if len(resInfo.ResProps) == 0 {
resInfo.ResProps = TResourceProperties{"key": "val"}
}
inst[resInfo.ResType] = map[TResourceName]TResourceProperties{
resInfo.ResName: resInfo.ResProps,
}
}
buff, err := json.MarshalIndent(TFormat{Resource: inst}, " ", " ")
require.NoError(t, err)
// Default file prefix to the name of the first instance
if info.FilePrefix == "" {
info.FilePrefix = string(info.ResInfo[0].ResName)
}
var filename string
if info.NewFile {
filename = fmt.Sprintf("%v.tf.json.new", info.FilePrefix)
} else {
filename = fmt.Sprintf("%v.tf.json", info.FilePrefix)
}
err = writeFileRaw(info.Plugin, filename, buff)
require.NoError(t, err)
}
// getFilesname is a utility function to a list of terraform files
func getFilenames(t *testing.T, p *plugin) (tfFiles []string, tfNewFiles []string) {
fs := &afero.Afero{Fs: p.fs}
err := fs.Walk(p.Dir,
func(path string, info os.FileInfo, err error) error {
if strings.HasSuffix(info.Name(), ".tf.json") {
tfFiles = append(tfFiles, info.Name())
} else if strings.HasSuffix(info.Name(), ".tf.json.new") {
tfNewFiles = append(tfNewFiles, info.Name())
}
return nil
},
)
require.NoError(t, err)
return
}
func TestHandleFilesStateListBeforeFail(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
refreshInvoked := false
fns := tfFuncs{
tfStateList: func() (map[TResourceType]map[TResourceName]struct{}, error) {
return nil, fmt.Errorf("Custom state list error")
},
tfRefresh: func() error {
refreshInvoked = true
return nil
},
}
err := tf.handleFiles(fns)
require.Error(t, err)
require.Equal(t, "Custom state list error", err.Error())
require.False(t, refreshInvoked)
}
func TestHandleFilesRefreshFail(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
// Write out 10 files, should not be changed since refresh failed
for i := 100; i < 110; i++ {
newFile := false
if i >= 105 {
newFile = true
}
info := fileInfo{
ResInfo: []resInfo{
{
ResType: VMIBMCloud,
ResName: TResourceName(fmt.Sprintf("instance-%v", i)),
},
},
NewFile: newFile,
Plugin: tf,
}
writeFileInfo(info, t)
}
stateListInvokedCount := 0
fns := tfFuncs{
tfStateList: func() (map[TResourceType]map[TResourceName]struct{}, error) {
stateListInvokedCount = stateListInvokedCount + 1
return map[TResourceType]map[TResourceName]struct{}{}, nil
},
tfRefresh: func() error {
return fmt.Errorf("Custom refresh error")
},
}
err := tf.handleFiles(fns)
require.Error(t, err)
require.Equal(t, "Custom refresh error", err.Error())
require.Equal(t, 1, stateListInvokedCount)
// No files changed
tfFiles, tfFilesNew := getFilenames(t, tf)
require.Len(t, tfFilesNew, 5)
require.Len(t, tfFiles, 5)
for i := 100; i < 105; i++ {
require.Contains(t, tfFiles, fmt.Sprintf("instance-%v.tf.json", i))
}
for i := 105; i < 110; i++ {
require.Contains(t, tfFilesNew, fmt.Sprintf("instance-%v.tf.json.new", i))
}
}
func TestHandleFilesStateListAfterFail(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
stateListInvokedCount := 0
refreshInvoked := false
fns := tfFuncs{
tfStateList: func() (map[TResourceType]map[TResourceName]struct{}, error) {
stateListInvokedCount = stateListInvokedCount + 1
if stateListInvokedCount == 1 {
return map[TResourceType]map[TResourceName]struct{}{}, nil
}
return nil, fmt.Errorf("Custom state list error")
},
tfRefresh: func() error {
refreshInvoked = true
return nil
},
}
err := tf.handleFiles(fns)
require.Error(t, err)
require.Equal(t, "Custom state list error", err.Error())
require.True(t, refreshInvoked)
require.Equal(t, 2, stateListInvokedCount)
}
func TestHandleFilesNoFiles(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
fns := tfFuncs{
tfRefresh: func() error { return nil },
tfStateList: func() (map[TResourceType]map[TResourceName]struct{}, error) {
return map[TResourceType]map[TResourceName]struct{}{}, nil
},
}
err := tf.handleFiles(fns)
require.NoError(t, err)
}
func TestHasRecentDelta(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
// No files (so no deltas)
hasDelta, err := tf.hasRecentDeltas(60)
require.NoError(t, err)
require.False(t, hasDelta)
// Non tf.json[.new] file (should be ignored)
err = writeFileRaw(tf, "foo.txt", []byte("some-text"))
require.NoError(t, err)
hasDelta, err = tf.hasRecentDeltas(60)
require.NoError(t, err)
require.False(t, hasDelta)
// Write out a tf.json file
info := fileInfo{
ResInfo: []resInfo{
{
ResType: VMIBMCloud,
ResName: TResourceName("instance-12345"),
},
},
NewFile: false,
Plugin: tf,
}
writeFileInfo(info, t)
// File delta in the last 5 seconds
hasDelta, err = tf.hasRecentDeltas(5)
require.NoError(t, err)
require.True(t, hasDelta)
// Wait 2 seconds, now the file will not a delta in a 1 second window
time.Sleep(2 * time.Second)
hasDelta, err = tf.hasRecentDeltas(1)
require.NoError(t, err)
require.False(t, hasDelta)
// But not if we ask for deltas in a longer window
hasDelta, err = tf.hasRecentDeltas(60)
require.NoError(t, err)
require.True(t, hasDelta)
// Add another, should be a delta
info.ResInfo[0].ResName = TResourceName("instance-12346")
writeFileInfo(info, t)
hasDelta, err = tf.hasRecentDeltas(1)
require.NoError(t, err)
require.True(t, hasDelta)
}
func TestHasRecentDeltaInFuture(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
// Write out a tf.json file
info := fileInfo{
ResInfo: []resInfo{
{
ResType: VMIBMCloud,
ResName: TResourceName("instance-12345"),
},
},
NewFile: false,
Plugin: tf,
}
writeFileInfo(info, t)
// Update the timestamp to 29 seconds in the future
path := filepath.Join(tf.Dir, "instance-12345.tf.json")
newTime := time.Now().Add(time.Duration(29) * time.Second)
err := tf.fs.Chtimes(path, newTime, newTime)
require.NoError(t, err)
// Since it's less than 30 seconds it will be a delta
hasDelta, err := tf.hasRecentDeltas(1)
require.NoError(t, err)
require.True(t, hasDelta)
// More than 30 seconds will be ignored
newTime = time.Now().Add(time.Duration(35) * time.Second)
err = tf.fs.Chtimes(path, newTime, newTime)
require.NoError(t, err)
hasDelta, err = tf.hasRecentDeltas(1)
require.NoError(t, err)
require.False(t, hasDelta)
}
func TestHandleFilesNoPruneNoNewFiles(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
// Write out 5 files
for i := 100; i < 105; i++ {
info := fileInfo{
ResInfo: []resInfo{
{
ResType: VMIBMCloud,
ResName: TResourceName(fmt.Sprintf("instance-%v", i)),
},
},
NewFile: false,
Plugin: tf,
}
writeFileInfo(info, t)
}
tfFiles, tfFilesNew := getFilenames(t, tf)
require.Len(t, tfFilesNew, 0)
require.Len(t, tfFiles, 5)
fns := tfFuncs{
tfRefresh: func() error { return nil },
tfStateList: func() (map[TResourceType]map[TResourceName]struct{}, error) {
// Return 5 files
result := map[TResourceName]struct{}{}
for i := 100; i < 105; i++ {
result[TResourceName(fmt.Sprintf("instance-%v", i))] = struct{}{}
}
return map[TResourceType]map[TResourceName]struct{}{
VMIBMCloud: result,
}, nil
},
}
err := tf.handleFiles(fns)
require.NoError(t, err)
// No files removed
tfFiles, tfFilesNew = getFilenames(t, tf)
require.Len(t, tfFilesNew, 0)
require.Len(t, tfFiles, 5)
for i := 100; i < 105; i++ {
require.Contains(t, tfFiles, fmt.Sprintf("instance-%v.tf.json", i))
}
}
func TestHandleFilesDedicatedGlobalNoPruneNoNewFiles(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
// Write out 5 files with VMs, 5 with VMs and a default, 5 with VMs
// and dedicated, and a global
for i := 100; i < 105; i++ {
info := fileInfo{
ResInfo: []resInfo{
{
ResType: VMIBMCloud,
ResName: TResourceName(fmt.Sprintf("instance-%v", i)),
},
},
NewFile: false,
Plugin: tf,
}
writeFileInfo(info, t)
}
for i := 105; i < 110; i++ {
info := fileInfo{
ResInfo: []resInfo{
{
ResType: VMIBMCloud,
ResName: TResourceName(fmt.Sprintf("instance-%v", i)),
},
{
ResType: TResourceType("default-nfs"),
ResName: TResourceName(fmt.Sprintf("default-nfs-instance-%v", i)),
},
},
NewFile: false,
Plugin: tf,
}
writeFileInfo(info, t)
}
for i := 110; i < 115; i++ {
info := fileInfo{
ResInfo: []resInfo{
{
ResType: VMIBMCloud,
ResName: TResourceName(fmt.Sprintf("instance-%v", i)),
},
},
NewFile: false,
Plugin: tf,
}
writeFileInfo(info, t)
// Dedicated
info = fileInfo{
ResInfo: []resInfo{
{
ResType: TResourceType("dedicated-nfs"),
ResName: TResourceName(fmt.Sprintf("dedicated-nfs-instance-%v", i)),
},
},
FilePrefix: fmt.Sprintf("dedicated-nfs-instance-%v", i),
NewFile: false,
Plugin: tf,
}
writeFileInfo(info, t)
}
for i := 115; i < 117; i++ {
// Global
info := fileInfo{
ResInfo: []resInfo{
{
ResType: TResourceType("global-nfs"),
ResName: TResourceName(fmt.Sprintf("global-nfs-instance-%v", i)),
},
},
NewFile: false,
Plugin: tf,
}
writeFileInfo(info, t)
}
tfFiles, tfFilesNew := getFilenames(t, tf)
require.Len(t, tfFilesNew, 0)
// 15 VMs, 5 dedicated NFS, 2 global NFS
require.Len(t, tfFiles, 15+5+2)
for i := 100; i < 115; i++ {
require.Contains(t, tfFiles, fmt.Sprintf("instance-%v.tf.json", i))
}
for i := 110; i < 115; i++ {
require.Contains(t, tfFiles, fmt.Sprintf("dedicated-nfs-instance-%v.tf.json", i))
}
for i := 115; i < 117; i++ {
require.Contains(t, tfFiles, fmt.Sprintf("global-nfs-instance-%v.tf.json", i))
}
fns := tfFuncs{
tfRefresh: func() error { return nil },
tfStateList: func() (map[TResourceType]map[TResourceName]struct{}, error) {
// Return all VMs
vms := map[TResourceName]struct{}{}
for i := 100; i < 115; i++ {
vms[TResourceName(fmt.Sprintf("instance-%v", i))] = struct{}{}
}
// The default NFS
defaultNFS := map[TResourceName]struct{}{}
for i := 105; i < 110; i++ {
defaultNFS[TResourceName(fmt.Sprintf("default-nfs-instance-%v", i))] = struct{}{}
}
// The dedicated NFS
dedicatedNFS := map[TResourceName]struct{}{}
for i := 110; i < 115; i++ {
dedicatedNFS[TResourceName(fmt.Sprintf("dedicated-nfs-instance-%v", i))] = struct{}{}
}
// And the global
globalNFS := map[TResourceName]struct{}{}
for i := 115; i < 117; i++ {
globalNFS[TResourceName(fmt.Sprintf("global-nfs-instance-%v", i))] = struct{}{}
}
return map[TResourceType]map[TResourceName]struct{}{
VMIBMCloud: vms,
TResourceType("default-nfs"): defaultNFS,
TResourceType("dedicated-nfs"): dedicatedNFS,
TResourceType("global-nfs"): globalNFS,
}, nil
},
}
err := tf.handleFiles(fns)
require.NoError(t, err)
// No files removed
tfFiles, tfFilesNew = getFilenames(t, tf)
require.Len(t, tfFilesNew, 0)
require.Len(t, tfFiles, 15+5+2)
for i := 100; i < 115; i++ {
require.Contains(t, tfFiles, fmt.Sprintf("instance-%v.tf.json", i))
}
for i := 110; i < 115; i++ {
require.Contains(t, tfFiles, fmt.Sprintf("dedicated-nfs-instance-%v.tf.json", i))
}
for i := 115; i < 117; i++ {
require.Contains(t, tfFiles, fmt.Sprintf("global-nfs-instance-%v.tf.json", i))
}
}
func TestHandleFilesNoPruneWithNewFiles(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
// Write out 10 files, 5 existing and 5 new
for i := 100; i < 110; i++ {
newFile := false
if i >= 105 {
newFile = true
}
info := fileInfo{
ResInfo: []resInfo{
{
ResType: VMIBMCloud,
ResName: TResourceName(fmt.Sprintf("instance-%v", i)),
},
},
NewFile: newFile,
Plugin: tf,
}
writeFileInfo(info, t)
}
tfFiles, tfFilesNew := getFilenames(t, tf)
require.Len(t, tfFilesNew, 5)
require.Len(t, tfFiles, 5)
fns := tfFuncs{
tfRefresh: func() error { return nil },
tfStateList: func() (map[TResourceType]map[TResourceName]struct{}, error) {
// Return the 5 existing instances
result := map[TResourceName]struct{}{}
for i := 100; i < 105; i++ {
result[TResourceName(fmt.Sprintf("instance-%v", i))] = struct{}{}
}
return map[TResourceType]map[TResourceName]struct{}{
VMIBMCloud: result,
}, nil
},
}
err := tf.handleFiles(fns)
require.NoError(t, err)
// New files renamed, nothing removed
tfFiles, tfFilesNew = getFilenames(t, tf)
require.Len(t, tfFilesNew, 0)
require.Len(t, tfFiles, 10)
for i := 100; i < 110; i++ {
require.Contains(t, tfFiles, fmt.Sprintf("instance-%v.tf.json", i))
}
}
func TestHandleFilePruningNoPrunes(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
err := tf.handleFilePruning(tfFuncs{},
map[TResourceType]map[TResourceName]TResourceFilenameProps{},
map[TResourceType]map[TResourceName]struct{}{})
require.NoError(t, err)
}
func TestHandleFilePruningPruneExistingResourceError(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
fns := tfFuncs{
getExistingResource: func(resType TResourceType, resName TResourceName, props TResourceProperties) (*string, error) {
require.Equal(t, VMIBMCloud, resType)
require.Equal(t, TResourceName("instance-123"), resName)
require.Equal(t, TResourceProperties{"foo": "bar"}, props)
return nil, fmt.Errorf("Custom getExistingResource error")
},
}
err := tf.handleFilePruning(fns,
map[TResourceType]map[TResourceName]TResourceFilenameProps{
VMIBMCloud: {
TResourceName("instance-123"): {
FileName: "instance-123.tf.json",
FileProps: TResourceProperties{"foo": "bar"},
},
},
},
map[TResourceType]map[TResourceName]struct{}{})
require.Error(t, err)
require.Equal(t, "Custom getExistingResource error", err.Error())
}
func TestHandleFilePruningPruneImportError(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
fns := tfFuncs{
getExistingResource: func(resType TResourceType, resName TResourceName, props TResourceProperties) (*string, error) {
id := "some-id"
return &id, nil
},
tfImport: func(resType TResourceType, resName, resID string) error {
require.Equal(t, VMIBMCloud, resType)
require.Equal(t, "instance-123", resName)
require.Equal(t, "some-id", resID)
return fmt.Errorf("Custom import error")
},
}
err := tf.handleFilePruning(fns,
map[TResourceType]map[TResourceName]TResourceFilenameProps{
VMIBMCloud: {
TResourceName("instance-123"): {
FileName: "instance-123.tf.json",
FileProps: TResourceProperties{"foo": "bar"},
},
},
},
map[TResourceType]map[TResourceName]struct{}{})
require.Error(t, err)
require.Equal(t, "Custom import error", err.Error())
}
func TestHandleFilePruningRemovedFromBackend(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
// Create file, should be removed since it is not in the backend
info := fileInfo{
ResInfo: []resInfo{{ResType: VMIBMCloud, ResName: TResourceName("instance-123")}},
NewFile: false,
Plugin: tf,
}
writeFileInfo(info, t)
// Random file, should not be removed
info = fileInfo{
ResInfo: []resInfo{{ResType: VMIBMCloud, ResName: TResourceName("instance-234")}},
NewFile: false,
Plugin: tf,
}
writeFileInfo(info, t)
fns := tfFuncs{
getExistingResource: func(resType TResourceType, resName TResourceName, props TResourceProperties) (*string, error) {
// Resource is not in the backend
return nil, nil
},
}
err := tf.handleFilePruning(fns,
map[TResourceType]map[TResourceName]TResourceFilenameProps{
VMIBMCloud: {
TResourceName("instance-123"): {
FileName: "instance-123.tf.json",
FileProps: TResourceProperties{"foo": "bar"},
},
},
},
map[TResourceType]map[TResourceName]struct{}{})
require.NoError(t, err)
tfFiles, tfFilesNew := getFilenames(t, tf)
require.Len(t, tfFilesNew, 0)
require.Len(t, tfFiles, 1)
require.Contains(t, tfFiles, "instance-234.tf.json")
}
func TestHandleFilePruningImportSuccess(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
fns := tfFuncs{
getExistingResource: func(resType TResourceType, resName TResourceName, props TResourceProperties) (*string, error) {
id := "some-id"
return &id, nil
},
tfImport: func(resType TResourceType, resName, resID string) error {
// Import is successful
return nil
},
}
err := tf.handleFilePruning(fns,
map[TResourceType]map[TResourceName]TResourceFilenameProps{
VMIBMCloud: {
TResourceName("instance-123"): {
FileName: "instance-123.tf.json",
FileProps: TResourceProperties{"foo": "bar"},
},
},
},
map[TResourceType]map[TResourceName]struct{}{})
require.NoError(t, err)
}
func TestGetExistingResourceNoVMs(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
id, err := tf.getExistingResource(TResourceType("storage"), TResourceName("name"), TResourceProperties{})
require.Nil(t, id)
require.NoError(t, err)
}
func TestGetExistingResourceUnsupportedType(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
id, err := tf.getExistingResource(VMAzure, TResourceName("name"), TResourceProperties{})
require.Nil(t, id)
require.NoError(t, err)
}
func TestGetExistingResourceIBMCloudNoTags(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
id, err := tf.getExistingResource(VMIBMCloud, TResourceName("name"), TResourceProperties{})
require.Nil(t, id)
require.NoError(t, err)
}
func TestGetExistingResourceIBMCloudWrongTagType(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
id, err := tf.getExistingResource(VMIBMCloud, TResourceName("name"), TResourceProperties{"tags": "string"})
require.Nil(t, id)
require.Error(t, err)
require.Equal(t, "Cannot process tags, unknown type: string", err.Error())
}
func TestGetExistingResourceIBMCloudWrongCreds(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
// User bogus creds, will always get an error
tf.envs = []string{
SoftlayerUsernameEnvVar + "=user",
SoftlayerAPIKeyEnvVar + "=pass",
}
os.Setenv(SoftlayerUsernameEnvVar, "")
os.Setenv(SoftlayerAPIKeyEnvVar, "")
id, err := tf.getExistingResource(VMIBMCloud, TResourceName("name"), TResourceProperties{"tags": []interface{}{"t1", "t2"}})
require.Nil(t, id)
require.Error(t, err)
}
const (
Prune1RemoveOutOfBand = 1
Prune2ExistsInBackend = 2
Prune3NoExistsInBackend = 3
)
func TestHandleFilesPruneMultipleVMTypes_OutOfBand(t *testing.T) {
internalTestHandleFilesPruneMultipleVMTypes(t, Prune1RemoveOutOfBand)
}
func TestHandleFilesPruneMultipleVMTypes_ExistsInBackend(t *testing.T) {
internalTestHandleFilesPruneMultipleVMTypes(t, Prune2ExistsInBackend)
}
func TestHandleFilesPruneMultipleVMTypes_NoExistsInBackend(t *testing.T) {
internalTestHandleFilesPruneMultipleVMTypes(t, Prune3NoExistsInBackend)
}
func internalTestHandleFilesPruneMultipleVMTypes(t *testing.T, pruneType int) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
// Write out 9 files, 3 different VM types
for i := 100; i < 109; i++ {
var resType TResourceType
if i < 103 {
resType = VMIBMCloud
} else if i < 106 {
resType = VMAmazon
} else {
resType = VMGoogleCloud
}
info := fileInfo{
ResInfo: []resInfo{
{
ResType: resType,
ResName: TResourceName(fmt.Sprintf("instance-%v", i)),
},
},
NewFile: false,
Plugin: tf,
}
writeFileInfo(info, t)
}
tfFiles, tfFilesNew := getFilenames(t, tf)
require.Len(t, tfFilesNew, 0)
require.Len(t, tfFiles, 9)
stateListInvokedCount := 0
fns := tfFuncs{
tfRefresh: func() error { return nil },
tfStateList: func() (map[TResourceType]map[TResourceName]struct{}, error) {
stateListInvokedCount = stateListInvokedCount + 1
// Base resources that are not removed
result := map[TResourceType]map[TResourceName]struct{}{
VMIBMCloud: {
TResourceName("instance-100"): {},
TResourceName("instance-101"): {},
TResourceName("instance-102"): {},
},
VMAmazon: {
TResourceName("instance-103"): {},
},
}
if stateListInvokedCount == 1 {
// Files are removed out-of-band, return them the first time but
// not the second time
if pruneType == Prune1RemoveOutOfBand {
result[VMAmazon][TResourceName("instance-104")] = struct{}{}
result[VMAmazon][TResourceName("instance-105")] = struct{}{}
result[VMGoogleCloud] = map[TResourceName]struct{}{
TResourceName("instance-106"): {},
TResourceName("instance-107"): {},
TResourceName("instance-108"): {},
}
}
}
// Return all of 1 type, 1 of another type, 0 of the last type
return result, nil
},
tfImport: func(resType TResourceType, resName, resID string) error {
// Should only invoked if the resources exist in the backend
if pruneType == Prune2ExistsInBackend {
if resType == VMAmazon && resName == "instance-105" {
require.Equal(t, "aws-instance-105", resID)
return nil
}
if resType == VMGoogleCloud && resName == "instance-108" {
require.Equal(t, "gcp-instance-108", resID)
return nil
}
return fmt.Errorf("tfImport type %v, name %v, id %v", resType, resName, resID)
}
return fmt.Errorf("tfImport should not be invoked for pruneType: %v", pruneType)
},
getExistingResource: func(resType TResourceType, resName TResourceName, props TResourceProperties) (*string, error) {
if pruneType == Prune1RemoveOutOfBand {
return nil, fmt.Errorf("tfImport should not be invoked for pruneType: Prune1RemoveOutOfBand")
}
if pruneType == Prune2ExistsInBackend {
if resType == VMAmazon && resName == TResourceName("instance-105") {
id := "aws-instance-105"
return &id, nil
}
if resType == VMGoogleCloud && resName == TResourceName("instance-108") {
id := "gcp-instance-108"
return &id, nil
}
return nil, nil
}
if pruneType == Prune3NoExistsInBackend {
return nil, nil
}
return nil, fmt.Errorf("UNKNOWN PRUNE TYPE")
},
}
err := tf.handleFiles(fns)
require.NoError(t, err)
require.Equal(t, 2, stateListInvokedCount)
// New files renamed, instances 104+ removed if the resources are not in the backend
tfFiles, tfFilesNew = getFilenames(t, tf)
require.Len(t, tfFilesNew, 0)
if pruneType == Prune2ExistsInBackend {
require.Len(t, tfFiles, 6)
require.Contains(t, tfFiles, "instance-105.tf.json")
require.Contains(t, tfFiles, "instance-108.tf.json")
} else {
require.Len(t, tfFiles, 4)
}
for i := 100; i < 104; i++ {
require.Contains(t, tfFiles, fmt.Sprintf("instance-%v.tf.json", i))
}
}
func TestHandleFilesPruneWithNewFiles(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
// Write out 10 files, 5 existing and 5 new
for i := 100; i < 110; i++ {
newFile := false
if i >= 105 {
newFile = true
}
info := fileInfo{
ResInfo: []resInfo{
{
ResType: VMIBMCloud,
ResName: TResourceName(fmt.Sprintf("instance-%v", i)),
},
},
NewFile: newFile,
Plugin: tf,
}
writeFileInfo(info, t)
}
tfFiles, tfFilesNew := getFilenames(t, tf)
require.Len(t, tfFilesNew, 5)
require.Len(t, tfFiles, 5)
stateListInvokedCount := 0
fns := tfFuncs{
tfRefresh: func() error { return nil },
tfStateList: func() (map[TResourceType]map[TResourceName]struct{}, error) {
stateListInvokedCount = stateListInvokedCount + 1
// Return everything the first time
if stateListInvokedCount == 1 {
return map[TResourceType]map[TResourceName]struct{}{
VMIBMCloud: {
TResourceName("instance-100"): {},
TResourceName("instance-101"): {},
TResourceName("instance-102"): {},
TResourceName("instance-103"): {},
TResourceName("instance-104"): {},
},
}, nil
}
// Return only 3 of the five existing
return map[TResourceType]map[TResourceName]struct{}{
VMIBMCloud: {
TResourceName("instance-102"): {},
TResourceName("instance-103"): {},
TResourceName("instance-104"): {},
},
}, nil
},
}
err := tf.handleFiles(fns)
require.NoError(t, err)
// New files renamed, instances 100, 101 remvoed
tfFiles, tfFilesNew = getFilenames(t, tf)
require.Len(t, tfFilesNew, 0)
require.Len(t, tfFiles, 8)
for i := 102; i < 110; i++ {
require.Contains(t, tfFiles, fmt.Sprintf("instance-%v.tf.json", i))
}
}
func TestHandleFilesDedicatedGlobalNoPruneWithNewFiles(t *testing.T) {
tf, dir := getPlugin(t)
defer os.RemoveAll(dir)
// Write out 5 files with VMs, 5 with VMs and a default, 5 with VMs
// and dedicated, and a global. Every even file is new.
for i := 100; i < 105; i++ {
newFile := false
if i%2 == 0 {
newFile = true
}
info := fileInfo{
ResInfo: []resInfo{
{
ResType: VMIBMCloud,
ResName: TResourceName(fmt.Sprintf("instance-%v", i)),
},
},
NewFile: newFile,
Plugin: tf,
}
writeFileInfo(info, t)
}
for i := 105; i < 110; i++ {
newFile := false
if i%2 == 0 {
newFile = true
}
info := fileInfo{
ResInfo: []resInfo{
{
ResType: VMIBMCloud,
ResName: TResourceName(fmt.Sprintf("instance-%v", i)),
},
{
ResType: TResourceType("default-nfs"),
ResName: TResourceName(fmt.Sprintf("default-nfs-instance-%v", i)),
},
},
NewFile: newFile,
Plugin: tf,
}
writeFileInfo(info, t)
}
for i := 110; i < 115; i++ {
newFile := false
if i%2 == 0 {
newFile = true
}
info := fileInfo{
ResInfo: []resInfo{
{
ResType: VMIBMCloud,
ResName: TResourceName(fmt.Sprintf("instance-%v", i)),
},
},
NewFile: newFile,
Plugin: tf,