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admin update-kernel: Drop support for booting from host kernel

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Now that gnome-ostree has a kernel, this functionality is no longer
necessary.  It was always a hack.
This commit is contained in:
Colin Walters 2013-01-06 11:47:40 -05:00
parent 6b868d84d8
commit 1dcf796868
2 changed files with 12 additions and 128 deletions
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13
src/ostree/ot-admin-builtin-deploy.c
View File

@ -38,11 +38,9 @@ typedef struct {
static gboolean opt_no_kernel;
static gboolean opt_force;
static gboolean opt_host_kernel;
static GOptionEntry options[] = {
{ "no-kernel", 0, 0, G_OPTION_ARG_NONE, &opt_no_kernel, "Don't update kernel related config (initramfs, bootloader)", NULL },
{ "host-kernel", 0, 0, G_OPTION_ARG_NONE, &opt_host_kernel, "Use currently booted kernel, not kernel from tree", NULL },
{ "force", 0, 0, G_OPTION_ARG_NONE, &opt_force, "Overwrite any existing deployment", NULL },
{ NULL }
};
@ -602,10 +600,6 @@ do_update_kernel (OtAdminDeploy *self,
"update-kernel",
self->osname,
gs_file_get_path_cached (deploy_path), NULL);
if (opt_no_kernel)
g_ptr_array_add (args, "--modules-only");
if (opt_host_kernel)
g_ptr_array_add (args, "--host-kernel");
g_ptr_array_add (args, NULL);
proc = gs_subprocess_new_simple_argv ((char**)args->pdata,
@ -673,8 +667,11 @@ ot_admin_builtin_deploy (int argc, char **argv, OtAdminBuiltinOpts *admin_opts,
cancellable, error))
goto out;
if (!do_update_kernel (self, deploy_path, cancellable, error))
goto out;
if (!opt_no_kernel)
{
if (!do_update_kernel (self, deploy_path, cancellable, error))
goto out;
}
ret = TRUE;
out:

127
src/ostree/ot-admin-builtin-update-kernel.c
View File

@ -38,47 +38,10 @@ typedef struct {
char *osname;
} OtAdminUpdateKernel;
static gboolean opt_modules_only;
static gboolean opt_host_kernel;
static char * opt_release;
static GOptionEntry options[] = {
{ "modules-only", 0, 0, G_OPTION_ARG_NONE, &opt_modules_only, "Only copy kernel modules", NULL },
{ "host-kernel", 0, 0, G_OPTION_ARG_NONE, &opt_host_kernel, "Use currently booted kernel, not kernel from tree", NULL },
{ "release", 0, 0, G_OPTION_ARG_STRING, &opt_release, "With host kernel, use this release", NULL },
{ NULL }
};
static gboolean
copy_modules (OtAdminUpdateKernel *self,
const char *release,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
ot_lobj GFile *src_modules_file = NULL;
ot_lobj GFile *dest_modules_parent = NULL;
ot_lobj GFile *dest_modules_file = NULL;
src_modules_file = ot_gfile_from_build_path ("/lib/modules", release, NULL);
dest_modules_file = ot_gfile_get_child_build_path (self->ostree_dir, "modules", release, NULL);
dest_modules_parent = g_file_get_parent (dest_modules_file);
if (!gs_file_ensure_directory (dest_modules_parent, FALSE, cancellable, error))
goto out;
if (!g_file_query_exists (dest_modules_file, cancellable))
{
if (!gs_shutil_cp_al_or_fallback (src_modules_file, dest_modules_file, cancellable, error))
goto out;
}
ret = TRUE;
out:
if (error)
g_prefix_error (error, "Error copying kernel modules: ");
return ret;
}
static gboolean
get_kernel_from_boot (GFile *path,
GFile **out_kernel,
@ -201,8 +164,6 @@ update_initramfs (OtAdminUpdateKernel *self,
ostree_vardir = ot_gfile_get_child_build_path (self->ostree_dir, "deploy",
self->osname, "var", NULL);
if (opt_host_kernel)
ostree_moduledir = g_file_get_child (self->ostree_dir, "modules");
dracut_log_path = ot_gfile_get_child_build_path (ostree_vardir, "log", "dracut.log", NULL);
tmp_log_out = (GOutputStream*)g_file_replace (dracut_log_path, NULL, FALSE,
@ -324,30 +285,6 @@ grep_literal (GFile *f,
return ret;
}
static gboolean
get_kernel_path_from_release (OtAdminUpdateKernel *self,
const char *release,
GFile **out_path,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
ot_lfree char *name = NULL;
ot_lobj GFile *possible_path = NULL;
/* TODO - replace this with grubby code */
name = g_strconcat ("vmlinuz-", release, NULL);
possible_path = g_file_get_child (self->admin_opts->boot_dir, name);
if (!g_file_query_exists (possible_path, cancellable))
g_clear_object (&possible_path);
ret = TRUE;
ot_transfer_out_value (out_path, &possible_path);
/* out: */
return ret;
}
static gboolean
update_grub (OtAdminUpdateKernel *self,
GCancellable *cancellable,
@ -368,29 +305,12 @@ update_grub (OtAdminUpdateKernel *self,
ot_lfree char *add_kernel_arg = NULL;
ot_lfree char *initramfs_arg = NULL;
ot_lfree char *initramfs_name = NULL;
ot_lobj GFile *kernel_path = NULL;
ot_lobj GFile *initramfs_path = NULL;
if (!self->kernel_path)
{
if (!get_kernel_path_from_release (self, self->release, &kernel_path,
cancellable, error))
goto out;
if (kernel_path == NULL)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Couldn't find kernel for release %s", self->release);
goto out;
}
}
else
kernel_path = g_object_ref (self->kernel_path);
initramfs_name = g_strconcat ("initramfs-", self->release, ".img", NULL);
initramfs_path = g_file_get_child (self->boot_ostree_dir, initramfs_name);
add_kernel_arg = g_strconcat ("--add-kernel=", gs_file_get_path_cached (kernel_path), NULL);
add_kernel_arg = g_strconcat ("--add-kernel=", gs_file_get_path_cached (self->kernel_path), NULL);
initramfs_arg = g_strconcat ("--initrd=", gs_file_get_path_cached (initramfs_path), NULL);
g_print ("Adding OSTree grub entry...\n");
@ -421,7 +341,6 @@ ot_admin_builtin_update_kernel (int argc, char **argv, OtAdminBuiltinOpts *admin
OtAdminUpdateKernel *self = &self_data;
GFile *ostree_dir = admin_opts->ostree_dir;
gboolean ret = FALSE;
struct utsname utsname;
GCancellable *cancellable = NULL;
memset (self, 0, sizeof (*self));
@ -447,49 +366,17 @@ ot_admin_builtin_update_kernel (int argc, char **argv, OtAdminBuiltinOpts *admin
else
self->deploy_path = "current";
if (opt_release && !opt_host_kernel)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"May not specify a kernel release without --host-kernel");
goto out;
}
else if (!opt_release && opt_host_kernel)
{
(void) uname (&utsname);
if (strcmp (utsname.sysname, "Linux") != 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Unsupported machine %s", utsname.sysname);
goto out;
}
opt_release = utsname.release;
}
self->ostree_dir = g_object_ref (ostree_dir);
self->boot_ostree_dir = g_file_get_child (admin_opts->boot_dir, "ostree");
if (opt_host_kernel)
{
if (!copy_modules (self, opt_release, cancellable, error))
goto out;
self->release = g_strdup (opt_release);
}
else
{
if (!setup_kernel (self, cancellable, error))
goto out;
}
if (!setup_kernel (self, cancellable, error))
goto out;
if (!opt_modules_only)
{
if (!update_initramfs (self, cancellable, error))
goto out;
if (!update_initramfs (self, cancellable, error))
goto out;
if (!update_grub (self, cancellable, error))
goto out;
}
if (!update_grub (self, cancellable, error))
goto out;
ret = TRUE;
out: