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Add 'environment' package

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This commit adds a new environment package that manages all calls to the
underlying operating system.
This commit is contained in:
Tom Wiesing 2022-09-18 14:24:22 +02:00
parent 822c70cd69
commit f19619ef9f
No known key found for this signature in database
60 changed files with 539 additions and 308 deletions
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16
internal/component/installable.go
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@ -2,9 +2,9 @@ package component
import (
"io/fs"
"os"
"path/filepath"
"github.com/FAU-CDI/wisski-distillery/pkg/environment"
"github.com/FAU-CDI/wisski-distillery/pkg/fsx"
"github.com/FAU-CDI/wisski-distillery/pkg/unpack"
"github.com/pkg/errors"
@ -29,7 +29,7 @@ type StackWithResources struct {
CopyContextFiles []string // Files to copy from the installation context
MakeDirsPerm fs.FileMode // permission for diretories, defaults to fs.ModeDir
MakeDirsPerm fs.FileMode // permission for diretories, defaults to [environment.DefaultDirCreate]
MakeDirs []string // directories to ensure that exist
TouchFiles []string // Files to 'touch', i.e. ensure that exist; guaranteed to be run after MakeDirs
@ -42,10 +42,11 @@ type InstallationContext map[string]string
//
// Installation is non-interactive, but will provide debugging output onto io.
// InstallationContext
func (is StackWithResources) Install(io stream.IOStream, context InstallationContext) error {
func (is StackWithResources) Install(env environment.Environment, io stream.IOStream, context InstallationContext) error {
if is.ContextPath != "" {
// setup the base files
if err := unpack.InstallDir(
env,
is.Dir,
is.ContextPath,
is.Resources,
@ -62,6 +63,7 @@ func (is StackWithResources) Install(io stream.IOStream, context InstallationCon
if is.EnvPath != "" && is.EnvContext != nil {
io.Printf("[config] %s\n", envDest)
if err := unpack.InstallTemplate(
env,
envDest,
is.EnvContext,
is.EnvPath,
@ -78,9 +80,9 @@ func (is StackWithResources) Install(io stream.IOStream, context InstallationCon
io.Printf("[make] %s\n", dst)
if is.MakeDirsPerm == fs.FileMode(0) {
is.MakeDirsPerm = fs.ModeDir
is.MakeDirsPerm = environment.DefaultDirPerm
}
if err := os.MkdirAll(dst, is.MakeDirsPerm); err != nil {
if err := env.MkdirAll(dst, is.MakeDirsPerm); err != nil {
return err
}
}
@ -98,7 +100,7 @@ func (is StackWithResources) Install(io stream.IOStream, context InstallationCon
// copy over file from context
io.Printf("[copy] %s (from %s)\n", dst, src)
if err := fsx.CopyFile(dst, src); err != nil {
if err := fsx.CopyFile(env, dst, src); err != nil {
return errors.Wrapf(err, "Unable to copy file %s", src)
}
}
@ -109,7 +111,7 @@ func (is StackWithResources) Install(io stream.IOStream, context InstallationCon
dst := filepath.Join(is.Dir, name)
io.Printf("[touch] %s\n", dst)
if err := fsx.Touch(dst); err != nil {
if err := fsx.Touch(env, dst); err != nil {
return err
}
}