/
tfbucket.go
191 lines (155 loc) · 4.72 KB
/
tfbucket.go
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package operations
import (
"context"
"errors"
"fmt"
"github.com/CS-SI/SafeScale/v22/lib/backend/iaas"
"github.com/CS-SI/SafeScale/v22/lib/backend/iaas/stacks"
"github.com/CS-SI/SafeScale/v22/lib/backend/resources"
"github.com/CS-SI/SafeScale/v22/lib/backend/resources/abstract"
"github.com/CS-SI/SafeScale/v22/lib/protocol"
"github.com/CS-SI/SafeScale/v22/lib/utils/fail"
"github.com/sanity-io/litter"
"github.com/sirupsen/logrus"
"os"
"path/filepath"
)
func NewTerraformBucket(svc iaas.Service) (*TfBucket, fail.Error) {
if svc == nil {
return nil, fail.InvalidParameterCannotBeNilError("svc")
}
inctx := context.Background()
cfg, xerr := svc.GetConfigurationOptions(inctx)
if xerr != nil {
return nil, fail.Wrap(xerr, "error recovering cfg")
}
maybe, there := cfg.Get("TerraformCfg")
if !there {
return nil, fail.NewError("terraform configuration not found")
}
tops, ok := maybe.(stacks.TerraformOptions)
if !ok {
return nil, fail.NewError("unexpected cast problem")
}
return &TfBucket{
svc: svc,
terraformExecutableFullPath: tops.ExecutablePath,
terraformWorkingDirectory: tops.WorkPath,
}, nil
}
type TfBucket struct {
svc iaas.Service
terraformExecutableFullPath string
terraformWorkingDirectory string
StorageAccount string
Name string
Identity string
}
func (t TfBucket) IsNull() bool {
return false
}
func (t TfBucket) Alter(ctx context.Context, callback resources.Callback) fail.Error {
return fail.NewError("useless method")
}
func (t TfBucket) BrowseFolder(ctx context.Context, callback func(buf []byte) fail.Error) fail.Error {
return fail.NewError("useless method")
}
func (t TfBucket) Deserialize(ctx context.Context, buf []byte) fail.Error {
return fail.NewError("useless method")
}
func (t TfBucket) Inspect(ctx context.Context, callback resources.Callback) fail.Error {
return fail.NewError("useless method")
}
func (t TfBucket) Read(ctx context.Context, ref string) fail.Error {
return fail.NewError("useless method")
}
func (t TfBucket) ReadByID(ctx context.Context, id string) fail.Error {
return fail.NewError("useless method")
}
func (t TfBucket) Reload(ctx context.Context) fail.Error {
return fail.NewError("useless method")
}
func (t TfBucket) Sdump(ctx context.Context) (string, fail.Error) {
return litter.Sdump(t), nil
}
func (t TfBucket) Service() iaas.Service {
return t.svc
}
func (t TfBucket) GetID() (string, error) {
return t.Identity, nil
}
func (t TfBucket) Exists(ctx context.Context) (bool, fail.Error) {
return true, nil
}
func (t TfBucket) GetName() string {
return t.Name
}
func (t TfBucket) Browse(ctx context.Context, callback func(bucket *abstract.ObjectStorageBucket) fail.Error) fail.Error {
return fail.NewError("useless method")
}
func (t *TfBucket) Create(ctx context.Context, name string) fail.Error {
err := renderTerraformBucketFromFiles(ctx, t.svc, t.terraformWorkingDirectory, name)
if err != nil {
return fail.ConvertError(err)
}
cleanup, err := applyTerraform(ctx, t.svc, t.terraformExecutableFullPath, t.terraformWorkingDirectory)
if err != nil {
cerr := cleanup()
if cerr != nil {
return fail.NewErrorList([]error{err, cerr})
}
return fail.ConvertError(err)
}
t.Name = name
// first, read terraform status
tfstate, xerr := t.svc.GetTerraformState(context.Background())
if xerr != nil {
return xerr
}
_, xerr = t.svc.ExportFromState(ctx, abstract.ObjectStorageBucketResource, tfstate, t, name)
if xerr != nil {
return fail.Wrap(xerr, "failure exporting from terraform state")
}
return nil
}
func (t TfBucket) Delete(ctx context.Context) fail.Error {
// now remove the disk
diskFile := filepath.Join(t.terraformWorkingDirectory, fmt.Sprintf("bucket-%s.tf", t.Name))
// if file does not exist, consider it done
if _, err := os.Stat(diskFile); err != nil {
if errors.Is(err, os.ErrNotExist) {
return nil
}
return fail.ConvertError(err)
}
err := os.Remove(diskFile)
if err != nil {
return fail.ConvertError(err)
}
// Run apply
cleaner, err := applyTerraform(ctx, t.svc, t.terraformExecutableFullPath, t.terraformWorkingDirectory)
if err != nil {
defer func() {
issue := cleaner()
if issue != nil {
logrus.Debugf("error cleaning up: %v", issue)
}
}()
return fail.Wrap(err, "error running terraform apply")
}
return nil
}
func (t TfBucket) Mount(ctx context.Context, hostname string, path string) fail.Error {
//TODO implement me
panic("implement me")
}
func (t TfBucket) ToProtocol(ctx context.Context) (*protocol.BucketResponse, fail.Error) {
return &protocol.BucketResponse{
Name: t.Name,
Mounts: nil, // TODO: fix this
}, nil
}
func (t TfBucket) Unmount(ctx context.Context, hostname string) fail.Error {
//TODO implement me
panic("implement me")
}