mirror of
https://github.com/opentofu/opentofu.git
synced 2024-12-25 08:21:07 -06:00
85 lines
2.9 KiB
Go
85 lines
2.9 KiB
Go
// Copyright (c) The OpenTofu Authors
|
|
// SPDX-License-Identifier: MPL-2.0
|
|
// Copyright (c) 2023 HashiCorp, Inc.
|
|
// SPDX-License-Identifier: MPL-2.0
|
|
|
|
package genconfig
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
|
|
"github.com/opentofu/opentofu/internal/tfdiags"
|
|
)
|
|
|
|
func ShouldWriteConfig(out string) bool {
|
|
// No specified out file, so don't write anything.
|
|
return len(out) != 0
|
|
}
|
|
|
|
func ValidateTargetFile(out string) (diags tfdiags.Diagnostics) {
|
|
if _, err := os.Stat(out); !os.IsNotExist(err) {
|
|
diags = diags.Append(tfdiags.Sourceless(
|
|
tfdiags.Error,
|
|
"Target generated file already exists",
|
|
"OpenTofu can only write generated config into a new file. Either choose a different target location or move all existing configuration out of the target file, delete it and try again."))
|
|
|
|
}
|
|
return diags
|
|
}
|
|
|
|
type Change struct {
|
|
Addr string
|
|
ImportID string
|
|
GeneratedConfig string
|
|
}
|
|
|
|
func (c *Change) MaybeWriteConfig(writer io.Writer, out string) (io.Writer, bool, tfdiags.Diagnostics) {
|
|
var wroteConfig bool
|
|
var diags tfdiags.Diagnostics
|
|
if len(c.GeneratedConfig) > 0 {
|
|
if writer == nil {
|
|
// Lazily create the generated file, in case we have no
|
|
// generated config to create.
|
|
if w, err := os.Create(out); err != nil {
|
|
if os.IsPermission(err) {
|
|
diags = diags.Append(tfdiags.Sourceless(
|
|
tfdiags.Error,
|
|
"Failed to create target generated file",
|
|
fmt.Sprintf("OpenTofu did not have permission to create the generated file (%s) in the target directory. Please modify permissions over the target directory, and try again.", out)))
|
|
return nil, false, diags
|
|
}
|
|
|
|
diags = diags.Append(tfdiags.Sourceless(
|
|
tfdiags.Error,
|
|
"Failed to create target generated file",
|
|
fmt.Sprintf("OpenTofu could not create the generated file (%s) in the target directory: %v. Depending on the error message, this may be a bug in OpenTofu itself. If so, please report it!", out, err)))
|
|
return nil, false, diags
|
|
} else {
|
|
writer = w
|
|
}
|
|
|
|
header := "# __generated__ by OpenTofu\n# Please review these resources and move them into your main configuration files.\n"
|
|
// Missing the header from the file, isn't the end of the world
|
|
// so if this did return an error, then we will just ignore it.
|
|
_, _ = writer.Write([]byte(header))
|
|
}
|
|
|
|
header := "\n# __generated__ by OpenTofu"
|
|
if len(c.ImportID) > 0 {
|
|
header += fmt.Sprintf(" from %q", c.ImportID)
|
|
}
|
|
header += "\n"
|
|
if _, err := writer.Write([]byte(fmt.Sprintf("%s%s\n", header, c.GeneratedConfig))); err != nil {
|
|
diags = diags.Append(tfdiags.Sourceless(
|
|
tfdiags.Warning,
|
|
"Failed to save generated config",
|
|
fmt.Sprintf("OpenTofu encountered an error while writing generated config: %v. The config for %s must be created manually before applying. Depending on the error message, this may be a bug in OpenTofu itself. If so, please report it!", err, c.Addr)))
|
|
}
|
|
wroteConfig = true
|
|
}
|
|
|
|
return writer, wroteConfig, diags
|
|
}
|