d76645680f
Bump containers/image (pulling in its new dependency on ostree-go), containers/storage, and updated image-spec. This pulls in the OCI v1.0 specifications and code that allows us to support 1.0 images. Signed-off-by: Dan Walsh <dwalsh@redhat.com> Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
90 lines
2.4 KiB
Go
90 lines
2.4 KiB
Go
package otbuiltin
|
|
|
|
import (
|
|
"errors"
|
|
"strings"
|
|
"unsafe"
|
|
|
|
glib "github.com/ostreedev/ostree-go/pkg/glibobject"
|
|
)
|
|
|
|
// #cgo pkg-config: ostree-1
|
|
// #include <stdlib.h>
|
|
// #include <glib.h>
|
|
// #include <ostree.h>
|
|
// #include "builtin.go.h"
|
|
import "C"
|
|
|
|
// Declare variables for options
|
|
var initOpts initOptions
|
|
|
|
// Contains all of the options for initializing an ostree repo
|
|
type initOptions struct {
|
|
Mode string // either bare, archive-z2, or bare-user
|
|
|
|
repoMode C.OstreeRepoMode
|
|
}
|
|
|
|
// Instantiates and returns an initOptions struct with default values set
|
|
func NewInitOptions() initOptions {
|
|
io := initOptions{}
|
|
io.Mode = "bare"
|
|
io.repoMode = C.OSTREE_REPO_MODE_BARE
|
|
return io
|
|
}
|
|
|
|
// Initializes a new ostree repository at the given path. Returns true
|
|
// if the repo exists at the location, regardless of whether it was initialized
|
|
// by the function or if it already existed. Returns an error if the repo could
|
|
// not be initialized
|
|
func Init(path string, options initOptions) (bool, error) {
|
|
initOpts = options
|
|
err := parseMode()
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
// Create a repo struct from the path
|
|
var cerr *C.GError
|
|
defer C.free(unsafe.Pointer(cerr))
|
|
cpath := C.CString(path)
|
|
defer C.free(unsafe.Pointer(cpath))
|
|
pathc := C.g_file_new_for_path(cpath)
|
|
defer C.g_object_unref(C.gpointer(pathc))
|
|
crepo := C.ostree_repo_new(pathc)
|
|
|
|
// If the repo exists in the filesystem, return an error but set exists to true
|
|
/* var exists C.gboolean = 0
|
|
success := glib.GoBool(glib.GBoolean(C.ostree_repo_exists(crepo, &exists, &cerr)))
|
|
if exists != 0 {
|
|
err = errors.New("repository already exists")
|
|
return true, err
|
|
} else if !success {
|
|
return false, generateError(cerr)
|
|
}*/
|
|
|
|
cerr = nil
|
|
created := glib.GoBool(glib.GBoolean(C.ostree_repo_create(crepo, initOpts.repoMode, nil, &cerr)))
|
|
if !created {
|
|
errString := generateError(cerr).Error()
|
|
if strings.Contains(errString, "File exists") {
|
|
return true, generateError(cerr)
|
|
}
|
|
return false, generateError(cerr)
|
|
}
|
|
return true, nil
|
|
}
|
|
|
|
// Converts the mode string to a C.OSTREE_REPO_MODE enum value
|
|
func parseMode() error {
|
|
if strings.EqualFold(initOpts.Mode, "bare") {
|
|
initOpts.repoMode = C.OSTREE_REPO_MODE_BARE
|
|
} else if strings.EqualFold(initOpts.Mode, "bare-user") {
|
|
initOpts.repoMode = C.OSTREE_REPO_MODE_BARE_USER
|
|
} else if strings.EqualFold(initOpts.Mode, "archive-z2") {
|
|
initOpts.repoMode = C.OSTREE_REPO_MODE_ARCHIVE_Z2
|
|
} else {
|
|
return errors.New("Invalid option for mode")
|
|
}
|
|
return nil
|
|
}
|