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/*
* Copyright (C) 2012,2013 Colin Walters <walters@verbum.org>
*
* SPDX-License-Identifier: LGPL-2.0+
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include "libglnx.h"
#include "ostree.h"
#include "ostree-bootloader.h"
G_BEGIN_DECLS
typedef enum {
/* Don't flag deployments as immutable. */
OSTREE_SYSROOT_DEBUG_MUTABLE_DEPLOYMENTS = 1 << 0,
/* See https://github.com/ostreedev/ostree/pull/759 */
OSTREE_SYSROOT_DEBUG_NO_XATTRS = 1 << 1,
/* https://github.com/ostreedev/ostree/pull/1049 */
OSTREE_SYSROOT_DEBUG_TEST_FIFREEZE = 1 << 2,
/* This is a temporary flag until we fully drop the explicit `systemctl start
* ostree-finalize-staged.service` so that tests can exercise the new path unit. */
OSTREE_SYSROOT_DEBUG_TEST_NO_DTB = 1 << 3, /* https://github.com/ostreedev/ostree/issues/2154 */
} OstreeSysrootDebugFlags;
typedef enum {
OSTREE_SYSROOT_LOAD_STATE_NONE, /* ostree_sysroot_new() was called */
OSTREE_SYSROOT_LOAD_STATE_INIT, /* We've loaded basic sysroot state and have an fd */
OSTREE_SYSROOT_LOAD_STATE_LOADED, /* We've loaded all of the deployments */
} OstreeSysrootLoadState;
/**
* OstreeSysroot:
* Internal struct
*/
struct OstreeSysroot {
GObject parent;
GFile *path;
int sysroot_fd;
int boot_fd;
GLnxLockFile lock;
OstreeSysrootLoadState loadstate;
gboolean mount_namespace_in_use; /* TRUE if caller has told us they used CLONE_NEWNS */
gboolean root_is_ostree_booted; /* TRUE if sysroot is / and we are booted via ostree */
/* The device/inode for /, used to detect booted deployment */
dev_t root_device;
ino_t root_inode;
gboolean is_physical; /* TRUE if we're pointed at physical storage root and not a deployment */
GPtrArray *deployments;
int bootversion;
int subbootversion;
OstreeDeployment *booted_deployment;
OstreeDeployment *staged_deployment;
GVariant *staged_deployment_data;
struct timespec loaded_ts;
/* Only access through ostree_sysroot_[_get]repo() */
OstreeRepo *repo;
OstreeSysrootDebugFlags debug_flags;
};
#define OSTREE_SYSROOT_LOCKFILE "ostree/lock"
/* We keep some transient state in /run */
#define _OSTREE_SYSROOT_RUNSTATE_STAGED "/run/ostree/staged-deployment"
#define _OSTREE_SYSROOT_RUNSTATE_STAGED_LOCKED "/run/ostree/staged-deployment-locked"
#define _OSTREE_SYSROOT_RUNSTATE_STAGED_INITRDS_DIR "/run/ostree/staged-initrds/"
#define _OSTREE_SYSROOT_DEPLOYMENT_RUNSTATE_DIR "/run/ostree/deployment-state/"
#define _OSTREE_SYSROOT_DEPLOYMENT_RUNSTATE_FLAG_DEVELOPMENT "unlocked-development"
#define _OSTREE_SYSROOT_DEPLOYMENT_RUNSTATE_FLAG_TRANSIENT "unlocked-transient"
#define _OSTREE_SYSROOT_BOOT_INITRAMFS_OVERLAYS "ostree/initramfs-overlays"
#define _OSTREE_SYSROOT_INITRAMFS_OVERLAYS "boot/" _OSTREE_SYSROOT_BOOT_INITRAMFS_OVERLAYS
gboolean
_ostree_sysroot_ensure_writable (OstreeSysroot *self,
GError **error);
void
_ostree_sysroot_emit_journal_msg (OstreeSysroot *self,
const char *msg);
gboolean
_ostree_sysroot_read_boot_loader_configs (OstreeSysroot *self,
int bootversion,
GPtrArray **out_loader_configs,
GCancellable *cancellable,
GError **error);
gboolean
_ostree_sysroot_read_current_subbootversion (OstreeSysroot *self,
int bootversion,
int *out_subbootversion,
GCancellable *cancellable,
GError **error);
gboolean
_ostree_sysroot_parse_deploy_path_name (const char *name,
char **out_csum,
int *out_serial,
GError **error);
gboolean
_ostree_sysroot_list_deployment_dirs_for_os (int deploydir_dfd,
const char *osname,
GPtrArray *inout_deployments,
GCancellable *cancellable,
GError **error);
void
_ostree_deployment_set_bootconfig_from_kargs (OstreeDeployment *deployment,
char **override_kernel_argv);
gboolean
_ostree_sysroot_reload_staged (OstreeSysroot *self, GError **error);
gboolean
_ostree_sysroot_finalize_staged (OstreeSysroot *self,
GCancellable *cancellable,
GError **error);
OstreeDeployment *
_ostree_sysroot_deserialize_deployment_from_variant (GVariant *v,
GError **error);
char *
_ostree_sysroot_get_origin_relpath (GFile *path,
guint32 *out_device,
guint64 *out_inode,
GCancellable *cancellable,
GError **error);
gboolean
_ostree_sysroot_rmrf_deployment (OstreeSysroot *sysroot,
OstreeDeployment *deployment,
GCancellable *cancellable,
GError **error);
char * _ostree_sysroot_get_runstate_path (OstreeDeployment *deployment, const char *key);
char *_ostree_sysroot_join_lines (GPtrArray *lines);
gboolean
_ostree_sysroot_ensure_boot_fd (OstreeSysroot *self, GError **error);
gboolean _ostree_sysroot_query_bootloader (OstreeSysroot *sysroot,
OstreeBootloader **out_bootloader,
GCancellable *cancellable,
GError **error);
gboolean _ostree_sysroot_bump_mtime (OstreeSysroot *sysroot,
GError **error);
gboolean _ostree_sysroot_cleanup_internal (OstreeSysroot *sysroot,
gboolean prune_repo,
GCancellable *cancellable,
GError **error);
G_END_DECLS
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