sysroot: Split out a helper function to delete a deployment dir

Prep for staged deployments.

Closes: #1535
Approved by: jlebon
This commit is contained in:
Colin Walters 2018-04-11 13:30:32 -04:00 committed by Atomic Bot
parent ab61f812c4
commit 54b3bbc00f
2 changed files with 48 additions and 28 deletions

View File

@ -239,6 +239,44 @@ cleanup_other_bootversions (OstreeSysroot *self,
return TRUE;
}
/* Delete a deployment directory */
gboolean
_ostree_sysroot_rmrf_deployment (OstreeSysroot *self,
OstreeDeployment *deployment,
GCancellable *cancellable,
GError **error)
{
g_autofree char *origin_relpath = ostree_deployment_get_origin_relpath (deployment);
g_autofree char *deployment_path = ostree_sysroot_get_deployment_dirpath (self, deployment);
struct stat stbuf;
glnx_autofd int deployment_fd = -1;
if (!glnx_opendirat (self->sysroot_fd, deployment_path, TRUE,
&deployment_fd, error))
return FALSE;
if (!glnx_fstat (deployment_fd, &stbuf, error))
return FALSE;
/* This shouldn't happen, because higher levels should
* disallow having the booted deployment not in the active
* deployment list, but let's be extra safe. */
if (stbuf.st_dev == self->root_device &&
stbuf.st_ino == self->root_inode)
return TRUE;
/* This deployment wasn't referenced, so delete it */
if (!_ostree_linuxfs_fd_alter_immutable_flag (deployment_fd, FALSE,
cancellable, error))
return FALSE;
if (!glnx_shutil_rm_rf_at (self->sysroot_fd, origin_relpath, cancellable, error))
return FALSE;
if (!glnx_shutil_rm_rf_at (self->sysroot_fd, deployment_path, cancellable, error))
return FALSE;
return TRUE;
}
/* As the bootloader configuration changes, we will have leftover deployments
* on disk. This function deletes all deployments which aren't actively
* referenced.
@ -279,36 +317,12 @@ cleanup_old_deployments (OstreeSysroot *self,
{
OstreeDeployment *deployment = all_deployment_dirs->pdata[i];
g_autofree char *deployment_path = ostree_sysroot_get_deployment_dirpath (self, deployment);
g_autofree char *origin_relpath = ostree_deployment_get_origin_relpath (deployment);
if (!g_hash_table_lookup (active_deployment_dirs, deployment_path))
{
struct stat stbuf;
glnx_autofd int deployment_fd = -1;
if (!glnx_opendirat (self->sysroot_fd, deployment_path, TRUE,
&deployment_fd, error))
return FALSE;
if (!glnx_fstat (deployment_fd, &stbuf, error))
return FALSE;
/* This shouldn't happen, because higher levels should
* disallow having the booted deployment not in the active
* deployment list, but let's be extra safe. */
if (stbuf.st_dev == root_stbuf.st_dev &&
stbuf.st_ino == root_stbuf.st_ino)
if (g_hash_table_lookup (active_deployment_dirs, deployment_path))
continue;
/* This deployment wasn't referenced, so delete it */
if (!_ostree_linuxfs_fd_alter_immutable_flag (deployment_fd, FALSE,
cancellable, error))
if (!_ostree_sysroot_rmrf_deployment (self, deployment, cancellable, error))
return FALSE;
if (!glnx_shutil_rm_rf_at (self->sysroot_fd, origin_relpath, cancellable, error))
return FALSE;
if (!glnx_shutil_rm_rf_at (self->sysroot_fd, deployment_path, cancellable, error))
return FALSE;
}
}
/* Clean up boot directories */

View File

@ -112,6 +112,12 @@ _ostree_sysroot_get_origin_relpath (GFile *path,
GCancellable *cancellable,
GError **error);
gboolean
_ostree_sysroot_rmrf_deployment (OstreeSysroot *sysroot,
OstreeDeployment *deployment,
GCancellable *cancellable,
GError **error);
char *_ostree_sysroot_join_lines (GPtrArray *lines);
gboolean _ostree_sysroot_query_bootloader (OstreeSysroot *sysroot,