diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-store.h')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-store.h | 262 |
1 files changed, 163 insertions, 99 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-store.h b/xlators/mgmt/glusterd/src/glusterd-store.h index 41ac1ed9925..83f4df0783e 100644 --- a/xlators/mgmt/glusterd/src/glusterd-store.h +++ b/xlators/mgmt/glusterd/src/glusterd-store.h @@ -1,152 +1,216 @@ /* - Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS 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 - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ + Copyright (c) 2006-2012 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ #ifndef _GLUSTERD_HA_H_ #define _GLUSTERD_HA_H_ -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - #include <pthread.h> -#include "uuid.h" - -#include "glusterfs.h" -#include "xlator.h" -#include "run.h" -#include "logging.h" -#include "call-stub.h" -#include "fd.h" -#include "byte-order.h" +#include <glusterfs/compat-uuid.h> + +#include <glusterfs/glusterfs.h> +#include <glusterfs/xlator.h> +#include <glusterfs/run.h> +#include <glusterfs/logging.h> +#include <glusterfs/call-stub.h> +#include <glusterfs/byte-order.h> #include "glusterd.h" #include "rpcsvc.h" -typedef enum glusterd_store_ver_ac_{ - GLUSTERD_VOLINFO_VER_AC_NONE = 0, - GLUSTERD_VOLINFO_VER_AC_INCREMENT = 1, +typedef enum glusterd_store_ver_ac_ { + GLUSTERD_VOLINFO_VER_AC_NONE = 0, + GLUSTERD_VOLINFO_VER_AC_INCREMENT = 1, + GLUSTERD_VOLINFO_VER_AC_DECREMENT = 2, } glusterd_volinfo_ver_ac_t; +#define UUID_SIZE 36 +#define VOLINFO_BUFFER_SIZE 4093 +#define GLUSTERD_STORE_UUID_KEY "UUID" -#define GLUSTERD_STORE_UUID_KEY "UUID" - -#define GLUSTERD_STORE_KEY_VOL_TYPE "type" -#define GLUSTERD_STORE_KEY_VOL_COUNT "count" -#define GLUSTERD_STORE_KEY_VOL_STATUS "status" -#define GLUSTERD_STORE_KEY_VOL_PORT "port" -#define GLUSTERD_STORE_KEY_VOL_SUB_COUNT "sub_count" -#define GLUSTERD_STORE_KEY_VOL_STRIPE_CNT "stripe_count" +#define GLUSTERD_STORE_KEY_VOL_TYPE "type" +#define GLUSTERD_STORE_KEY_VOL_COUNT "count" +#define GLUSTERD_STORE_KEY_VOL_STATUS "status" +#define GLUSTERD_STORE_KEY_VOL_PORT "port" +#define GLUSTERD_STORE_KEY_VOL_SUB_COUNT "sub_count" +#define GLUSTERD_STORE_KEY_VOL_STRIPE_CNT "stripe_count" #define GLUSTERD_STORE_KEY_VOL_REPLICA_CNT "replica_count" -#define GLUSTERD_STORE_KEY_VOL_BRICK "brick" -#define GLUSTERD_STORE_KEY_VOL_VERSION "version" -#define GLUSTERD_STORE_KEY_VOL_TRANSPORT "transport-type" -#define GLUSTERD_STORE_KEY_VOL_ID "volume-id" -#define GLUSTERD_STORE_KEY_RB_STATUS "rb_status" -#define GLUSTERD_STORE_KEY_RB_SRC_BRICK "rb_src" -#define GLUSTERD_STORE_KEY_RB_DST_BRICK "rb_dst" -#define GLUSTERD_STORE_KEY_VOL_DEFRAG "rebalance_status" -#define GLUSTERD_STORE_KEY_USERNAME "username" -#define GLUSTERD_STORE_KEY_PASSWORD "password" +#define GLUSTERD_STORE_KEY_VOL_DISPERSE_CNT "disperse_count" +#define GLUSTERD_STORE_KEY_VOL_REDUNDANCY_CNT "redundancy_count" +#define GLUSTERD_STORE_KEY_VOL_ARBITER_CNT "arbiter_count" +#define GLUSTERD_STORE_KEY_VOL_THIN_ARBITER_CNT "thin_arbiter_count" +#define GLUSTERD_STORE_KEY_VOL_BRICK "brick" +#define GLUSTERD_STORE_KEY_VOL_TA_BRICK "ta-brick" +#define GLUSTERD_STORE_KEY_VOL_VERSION "version" +#define GLUSTERD_STORE_KEY_VOL_TRANSPORT "transport-type" +#define GLUSTERD_STORE_KEY_VOL_ID "volume-id" +#define GLUSTERD_STORE_KEY_VOL_RESTORED_SNAP "restored_from_snap" +#define GLUSTERD_STORE_KEY_RB_STATUS "rb_status" +#define GLUSTERD_STORE_KEY_RB_SRC_BRICK "rb_src" +#define GLUSTERD_STORE_KEY_RB_DST_BRICK "rb_dst" +#define GLUSTERD_STORE_KEY_RB_DST_PORT "rb_port" +#define GLUSTERD_STORE_KEY_VOL_DEFRAG "rebalance_status" +#define GLUSTERD_STORE_KEY_VOL_DEFRAG_STATUS "status" +#define GLUSTERD_STORE_KEY_DEFRAG_OP "rebalance_op" +#define GLUSTERD_STORE_KEY_USERNAME "username" +#define GLUSTERD_STORE_KEY_PASSWORD "password" +#define GLUSTERD_STORE_KEY_PARENT_VOLNAME "parent_volname" +#define GLUSTERD_STORE_KEY_VOL_OP_VERSION "op-version" +#define GLUSTERD_STORE_KEY_VOL_CLIENT_OP_VERSION "client-op-version" +#define GLUSTERD_STORE_KEY_VOL_QUOTA_VERSION "quota-version" + +#define GLUSTERD_STORE_KEY_SNAP_NAME "name" +#define GLUSTERD_STORE_KEY_SNAP_ID "snap-id" +#define GLUSTERD_STORE_KEY_SNAP_DESC "desc" +#define GLUSTERD_STORE_KEY_SNAP_TIMESTAMP "time-stamp" +#define GLUSTERD_STORE_KEY_SNAP_STATUS "status" +#define GLUSTERD_STORE_KEY_SNAP_RESTORED "snap-restored" +#define GLUSTERD_STORE_KEY_SNAP_MAX_HARD_LIMIT "snap-max-hard-limit" +#define GLUSTERD_STORE_KEY_SNAP_AUTO_DELETE "auto-delete" +#define GLUSTERD_STORE_KEY_SNAP_MAX_SOFT_LIMIT "snap-max-soft-limit" +#define GLUSTERD_STORE_KEY_SNAPD_PORT "snapd-port" +#define GLUSTERD_STORE_KEY_SNAP_ACTIVATE "snap-activate-on-create" #define GLUSTERD_STORE_KEY_BRICK_HOSTNAME "hostname" -#define GLUSTERD_STORE_KEY_BRICK_PATH "path" -#define GLUSTERD_STORE_KEY_BRICK_PORT "listen-port" +#define GLUSTERD_STORE_KEY_BRICK_PATH "path" +#define GLUSTERD_STORE_KEY_BRICK_REAL_PATH "real_path" +#define GLUSTERD_STORE_KEY_BRICK_PORT "listen-port" #define GLUSTERD_STORE_KEY_BRICK_RDMA_PORT "rdma.listen-port" #define GLUSTERD_STORE_KEY_BRICK_DECOMMISSIONED "decommissioned" +#define GLUSTERD_STORE_KEY_BRICK_VGNAME "vg" +#define GLUSTERD_STORE_KEY_BRICK_DEVICE_PATH "device_path" +#define GLUSTERD_STORE_KEY_BRICK_MOUNT_DIR "mount_dir" +#define GLUSTERD_STORE_KEY_BRICK_SNAP_STATUS "snap-status" +#define GLUSTERD_STORE_KEY_BRICK_FSTYPE "fs-type" +#define GLUSTERD_STORE_KEY_BRICK_MNTOPTS "mnt-opts" +#define GLUSTERD_STORE_KEY_BRICK_ID "brick-id" +#define GLUSTERD_STORE_KEY_BRICK_FSID "brick-fsid" +#define GLUSTERD_STORE_KEY_BRICK_UUID "uuid" + +#define GLUSTERD_STORE_KEY_PEER_UUID "uuid" +#define GLUSTERD_STORE_KEY_PEER_HOSTNAME "hostname" +#define GLUSTERD_STORE_KEY_PEER_STATE "state" +#define GLUSTERD_STORE_KEY_VOL_CAPS "caps" /* left just for backward compat */ + +#define GLUSTERD_STORE_KEY_VOL_DEFRAG_REB_FILES "rebalanced-files" +#define GLUSTERD_STORE_KEY_VOL_DEFRAG_SIZE "size" +#define GLUSTERD_STORE_KEY_VOL_DEFRAG_SCANNED "scanned" +#define GLUSTERD_STORE_KEY_VOL_DEFRAG_FAILURES "failures" +#define GLUSTERD_STORE_KEY_VOL_DEFRAG_SKIPPED "skipped" +#define GLUSTERD_STORE_KEY_VOL_DEFRAG_RUN_TIME "run-time" + +#define GLUSTERD_STORE_KEY_VOL_MIGRATED_FILES "migrated-files" +#define GLUSTERD_STORE_KEY_VOL_MIGRATED_SIZE "migration-size" +#define GLUSTERD_STORE_KEY_VOL_MIGRATIONS_SCANNED "migration-scanned" +#define GLUSTERD_STORE_KEY_VOL_MIGRATIONS_FAILURES "migration-failures" +#define GLUSTERD_STORE_KEY_VOL_MIGRATIONS_SKIPPED "migration-skipped" +#define GLUSTERD_STORE_KEY_VOL_MIGRATION_RUN_TIME "migration-run-time" + +#define GLUSTERD_STORE_KEY_GANESHA_GLOBAL "nfs-ganesha" -#define GLUSTERD_STORE_KEY_PEER_UUID "uuid" -#define GLUSTERD_STORE_KEY_PEER_HOSTNAME "hostname" -#define GLUSTERD_STORE_KEY_PEER_STATE "state" +/* + * The structure is responsible for handling the parameter for writes into + * the buffer before it is finally written to the file. The writes will be + * of the form of key-value pairs. + */ +struct glusterd_volinfo_data_store_ { + gf_store_handle_t *shandle; /*Contains fd and path of the file */ + int16_t buffer_len; + char key_check; /* flag to check if key is to be validated before write*/ + char buffer[VOLINFO_BUFFER_SIZE]; +}; +typedef struct glusterd_volinfo_data_store_ glusterd_volinfo_data_store_t; -#define glusterd_for_each_entry(entry, dir) \ - do {\ - entry = NULL;\ - if (dir) {\ - entry = readdir (dir);\ - while (entry && (!strcmp (entry->d_name, ".") ||\ - !strcmp (entry->d_name, ".."))) {\ - entry = readdir (dir);\ - }\ - }\ - } while (0); \ +int32_t +glusterd_store_volinfo(glusterd_volinfo_t *volinfo, + glusterd_volinfo_ver_ac_t ac); +int32_t +glusterd_store_delete_volume(glusterd_volinfo_t *volinfo); -typedef enum { - GD_STORE_SUCCESS, - GD_STORE_KEY_NULL, - GD_STORE_VALUE_NULL, - GD_STORE_KEY_VALUE_NULL, - GD_STORE_EOF, - GD_STORE_ENOMEM, - GD_STORE_STAT_FAILED -} glusterd_store_op_errno_t; +int32_t +glusterd_store_delete_snap(glusterd_snap_t *snap); int32_t -glusterd_store_volinfo (glusterd_volinfo_t *volinfo, glusterd_volinfo_ver_ac_t ac); +glusterd_retrieve_uuid(); int32_t -glusterd_store_delete_volume (glusterd_volinfo_t *volinfo); +glusterd_store_peerinfo(glusterd_peerinfo_t *peerinfo); int32_t -glusterd_store_uuid (); +glusterd_store_delete_peerinfo(glusterd_peerinfo_t *peerinfo); int32_t -glusterd_store_handle_new (char *path, glusterd_store_handle_t **handle); +glusterd_store_delete_brick(glusterd_brickinfo_t *brickinfo, char *delete_path); int32_t -glusterd_store_save_value (int fd, char *key, char *value); +glusterd_restore(); + +void +glusterd_perform_volinfo_version_action(glusterd_volinfo_t *volinfo, + glusterd_volinfo_ver_ac_t ac); +gf_boolean_t +glusterd_store_is_valid_brickpath(char *volname, char *brick); int32_t -glusterd_store_retrieve_value (glusterd_store_handle_t *handle, - char *key, char **value); +glusterd_store_perform_node_state_store(glusterd_volinfo_t *volinfo); + +int +glusterd_retrieve_op_version(xlator_t *this, int *op_version); + +int +glusterd_retrieve_max_op_version(xlator_t *this, int *op_version); + +int +glusterd_store_max_op_version(xlator_t *this); + +int +glusterd_store_global_info(xlator_t *this); int32_t -glusterd_retrieve_uuid (); +glusterd_store_retrieve_options(xlator_t *this); int32_t -glusterd_store_peerinfo (glusterd_peerinfo_t *peerinfo); +glusterd_store_retrieve_bricks(glusterd_volinfo_t *volinfo); int32_t -glusterd_store_delete_peerinfo (glusterd_peerinfo_t *peerinfo); +glusterd_store_options(xlator_t *this, dict_t *opts); + +void +glusterd_replace_slash_with_hyphen(char *str); int32_t -glusterd_store_delete_brick (glusterd_volinfo_t *volinfo, - glusterd_brickinfo_t *brickinfo); +glusterd_store_create_quota_conf_sh_on_absence(glusterd_volinfo_t *volinfo); + +int +glusterd_store_retrieve_quota_version(glusterd_volinfo_t *volinfo); + +int +glusterd_store_save_quota_version_and_cksum(glusterd_volinfo_t *volinfo); int32_t -glusterd_store_handle_destroy (glusterd_store_handle_t *handle); +glusterd_store_snap(glusterd_snap_t *snap); int32_t -glusterd_restore (); +glusterd_store_update_missed_snaps(); -void -glusterd_perform_volinfo_version_action (glusterd_volinfo_t *volinfo, - glusterd_volinfo_ver_ac_t ac); -gf_boolean_t -glusterd_store_is_valid_brickpath (char *volname, char *brick); +glusterd_volinfo_t * +glusterd_store_retrieve_volume(char *volname, glusterd_snap_t *snap); + +int +glusterd_restore_op_version(xlator_t *this); int32_t -glusterd_store_perform_node_state_store (glusterd_volinfo_t *volinfo); +glusterd_quota_conf_write_header(int fd); int32_t -glusterd_store_retrieve_options (xlator_t *this); +glusterd_quota_conf_write_gfid(int fd, void *buf, char type); int32_t -glusterd_store_options (xlator_t *this, dict_t *opts); +glusterd_recreate_vol_brick_mounts(xlator_t *this, glusterd_volinfo_t *volinfo); + #endif |