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https://github.com/edgelesssys/constellation.git
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804c173d52
* Use terraform in CLI to create QEMU cluster * Dont allow qemu creation on os/arch other than linux/amd64 * Allow usage of --name flag for QEMU resources Signed-off-by: Daniel Weiße <dw@edgeless.systems>
65 lines
1.7 KiB
Go
65 lines
1.7 KiB
Go
/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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package terraform
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import (
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"embed"
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"errors"
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"io/fs"
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"path"
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"strings"
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"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
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"github.com/edgelesssys/constellation/v2/internal/file"
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"github.com/spf13/afero"
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)
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//go:embed terraform/*
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var terraformFS embed.FS
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// prepareWorkspace loads the embedded Terraform files,
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// and writes them into the workspace.
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func prepareWorkspace(fileHandler file.Handler, provider cloudprovider.Provider) error {
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// use path.Join to ensure no forward slashes are used to read the embedded FS
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rootDir := path.Join("terraform", strings.ToLower(provider.String()))
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return fs.WalkDir(terraformFS, rootDir, func(path string, d fs.DirEntry, err error) error {
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if err != nil {
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return err
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}
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if d.IsDir() {
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return nil
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}
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content, err := terraformFS.ReadFile(path)
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if err != nil {
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return err
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}
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fileName := strings.TrimPrefix(path, rootDir+"/")
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return fileHandler.Write(fileName, content, file.OptMkdirAll)
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})
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}
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// cleanUpWorkspace removes files that were loaded into the workspace.
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func cleanUpWorkspace(fileHandler file.Handler, provider cloudprovider.Provider) error {
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rootDir := path.Join("terraform", strings.ToLower(provider.String()))
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return fs.WalkDir(terraformFS, rootDir, func(path string, d fs.DirEntry, err error) error {
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if err != nil {
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return err
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}
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fileName := strings.TrimPrefix(path, rootDir+"/")
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return ignoreFileNotFoundErr(fileHandler.RemoveAll(fileName))
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})
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}
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// ignoreFileNotFoundErr ignores the error if it is a file not found error.
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func ignoreFileNotFoundErr(err error) error {
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if errors.Is(err, afero.ErrFileNotFound) {
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return nil
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}
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return err
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}
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