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-rw-r--r--xlators/mgmt/glusterd/src/glusterd-brick-ops.c2
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-hooks.c10
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-replace-brick.c2
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.c229
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.h11
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-volume-ops.c17
-rw-r--r--xlators/mgmt/glusterd/src/glusterd.c19
7 files changed, 165 insertions, 125 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-brick-ops.c b/xlators/mgmt/glusterd/src/glusterd-brick-ops.c
index 724186846..120fd5027 100644
--- a/xlators/mgmt/glusterd/src/glusterd-brick-ops.c
+++ b/xlators/mgmt/glusterd/src/glusterd-brick-ops.c
@@ -1164,7 +1164,7 @@ glusterd_op_stage_add_brick (dict_t *dict, char **op_errstr)
ret = glusterd_brick_create_path (brickinfo->hostname,
brickinfo->path,
volinfo->volume_id,
- 0777, op_errstr);
+ op_errstr);
if (ret)
goto out;
}
diff --git a/xlators/mgmt/glusterd/src/glusterd-hooks.c b/xlators/mgmt/glusterd/src/glusterd-hooks.c
index 2afdb1625..ba428b0f3 100644
--- a/xlators/mgmt/glusterd/src/glusterd-hooks.c
+++ b/xlators/mgmt/glusterd/src/glusterd-hooks.c
@@ -39,8 +39,6 @@
#include <fnmatch.h>
-extern int mkdir_if_missing (char *dir);
-
#define EMPTY ""
char glusterd_hook_dirnames[GD_OP_MAX][256] =
{
@@ -95,7 +93,7 @@ glusterd_hooks_create_hooks_directory (char *basedir)
priv = THIS->private;
snprintf (path, sizeof (path), "%s/hooks", basedir);
- ret = mkdir_if_missing (path);
+ ret = mkdir_if_missing (path, NULL);
if (ret) {
gf_log (THIS->name, GF_LOG_CRITICAL, "Unable to create %s due"
"to %s", path, strerror (errno));
@@ -103,7 +101,7 @@ glusterd_hooks_create_hooks_directory (char *basedir)
}
GLUSTERD_GET_HOOKS_DIR (version_dir, GLUSTERD_HOOK_VER, priv);
- ret = mkdir_if_missing (version_dir);
+ ret = mkdir_if_missing (version_dir, NULL);
if (ret) {
gf_log (THIS->name, GF_LOG_CRITICAL, "Unable to create %s due "
"to %s", version_dir, strerror (errno));
@@ -117,7 +115,7 @@ glusterd_hooks_create_hooks_directory (char *basedir)
snprintf (path, sizeof (path), "%s/%s", version_dir,
cmd_subdir);
- ret = mkdir_if_missing (path);
+ ret = mkdir_if_missing (path, NULL);
if (ret) {
gf_log (THIS->name, GF_LOG_CRITICAL,
"Unable to create %s due to %s",
@@ -129,7 +127,7 @@ glusterd_hooks_create_hooks_directory (char *basedir)
type++) {
snprintf (path, sizeof (path), "%s/%s/%s",
version_dir, cmd_subdir, type_subdir[type]);
- ret = mkdir_if_missing (path);
+ ret = mkdir_if_missing (path, NULL);
if (ret) {
gf_log (THIS->name, GF_LOG_CRITICAL,
"Unable to create %s due to %s",
diff --git a/xlators/mgmt/glusterd/src/glusterd-replace-brick.c b/xlators/mgmt/glusterd/src/glusterd-replace-brick.c
index fdfa9c020..c31d8c781 100644
--- a/xlators/mgmt/glusterd/src/glusterd-replace-brick.c
+++ b/xlators/mgmt/glusterd/src/glusterd-replace-brick.c
@@ -465,7 +465,7 @@ glusterd_op_stage_replace_brick (dict_t *dict, char **op_errstr,
if (!glusterd_is_local_addr (host)) {
ret = glusterd_brick_create_path (host, path,
- volinfo->volume_id, 0777,
+ volinfo->volume_id,
op_errstr);
if (ret)
goto out;
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index 8e28a7a1b..f04792c7b 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -4367,115 +4367,158 @@ glusterd_rb_check_bricks (glusterd_volinfo_t *volinfo,
return 0;
}
-int
-glusterd_brick_create_path (char *host, char *path, uuid_t uuid, mode_t mode,
- char **op_errstr)
+/*path needs to be absolute; works only on gfid, volume-id*/
+static int
+glusterd_is_uuid_present (char *path, char *xattr, gf_boolean_t *present)
{
- int ret = -1;
- char msg[2048] = {0};
- struct stat st_buf = {0};
- uuid_t gfid = {0,};
- uuid_t old_uuid = {0,};
-
- ret = stat (path, &st_buf);
- if ((!ret) && (!S_ISDIR (st_buf.st_mode))) {
- snprintf (msg, sizeof (msg), "brick %s:%s, "
- "path %s is not a directory", host, path, path);
- gf_log ("", GF_LOG_ERROR, "%s", msg);
- ret = -1;
+ GF_ASSERT (path);
+ GF_ASSERT (xattr);
+ GF_ASSERT (present);
+
+ int ret = -1;
+ uuid_t uid = {0,};
+
+ if (!path || !xattr || !present)
goto out;
- } else if (!ret) {
- goto check_xattr;
+
+ ret = sys_lgetxattr (path, xattr, &uid, 16);
+ if (ret < 0 && errno != ENODATA) {
+ goto out;
+
+ } else if (ret >= 0) {
+ *present = _gf_true;
+
} else {
- ret = mkdir (path, mode);
- if (ret) {
- snprintf (msg, sizeof (msg), "brick: %s:%s, path "
- "creation failed, reason: %s",
- host, path, strerror(errno));
- gf_log ("glusterd", GF_LOG_ERROR, "%s", msg);
+ *present = _gf_false;
+ }
+
+ ret = 0;
+out:
+ return ret;
+}
+
+/*path needs to be absolute*/
+static int
+glusterd_is_path_in_use (char *path, gf_boolean_t *in_use, char **op_errstr)
+{
+ int i = 0;
+ int ret = -1;
+ gf_boolean_t used = _gf_false;
+ char dir[PATH_MAX] = {0,};
+ char *curdir = NULL;
+ char msg[2048] = {0};
+ char *keys[3] = {GFID_XATTR_KEY,
+ GF_XATTR_VOL_ID_KEY,
+ NULL};
+
+ GF_ASSERT (path);
+ if (!path)
+ goto out;
+
+ strcpy (dir, path);
+ curdir = dir;
+ do {
+ for (i = 0; !used && keys[i]; i++) {
+ ret = glusterd_is_uuid_present (curdir, keys[i], &used);
+ if (ret)
+ goto out;
+ }
+
+ if (used)
+ break;
+
+ curdir = dirname (dir);
+ if (!strcmp (curdir, "."))
goto out;
- } else {
- goto check_xattr;
+
+
+ } while (strcmp (curdir, "/"));
+
+ if (!strcmp (curdir, "/")) {
+ for (i = 0; !used && keys[i]; i++) {
+ ret = glusterd_is_uuid_present (curdir, keys[i], &used);
+ if (ret)
+ goto out;
}
}
-/* To check if filesystem is read-only
- and if it supports extended attributes */
-check_xattr:
+ ret = 0;
+ *in_use = used;
+out:
+ if (ret) {
+ snprintf (msg, sizeof (msg), "Failed to get extended "
+ "attribute %s, reason: %s", keys[i],
+ strerror (errno));
+ }
+
+ if (*in_use) {
+ snprintf (msg, sizeof (msg), "%s or a prefix of it is "
+ "already part of a volume", path);
+ }
+
+ if (strlen (msg)) {
+ gf_log (THIS->name, GF_LOG_ERROR, "%s", msg);
+ *op_errstr = gf_strdup (msg);
+ }
+
+ return ret;
+}
+
+int
+glusterd_brick_create_path (char *host, char *path, uuid_t uuid,
+ char **op_errstr)
+{
+ int ret = -1;
+ char msg[2048] = {0,};
+ gf_boolean_t in_use = _gf_false;
+ gf_boolean_t created = _gf_true;
+
+ ret = mkdir_if_missing (path, &created);
+ if (ret)
+ goto out;
+
+ /* Check for xattr support in backend fs */
ret = sys_lsetxattr (path, "trusted.glusterfs.test",
"working", 8, 0);
if (ret) {
- snprintf (msg, sizeof (msg), "glusterfs is not"
+ snprintf (msg, sizeof (msg), "Glusterfs is not"
" supported on brick: %s:%s.\nSetting"
" extended attributes failed, reason:"
" %s.", host, path, strerror(errno));
- gf_log ("glusterd", GF_LOG_ERROR, "%s", msg);
goto out;
+
} else {
- /* Remove xattr *cannot* fail after setting it succeeded */
sys_lremovexattr (path, "trusted.glusterfs.test");
+
}
- /* Now check if the export directory has some other 'gfid',
- other than that of root '/' */
- ret = sys_lgetxattr (path, "trusted.gfid", gfid, 16);
- if (ret == 16) {
- if (!__is_root_gfid (gfid)) {
- gf_log (THIS->name, GF_LOG_WARNING,
- "%s: gfid (%s) is not that of glusterfs '/' ",
- path, uuid_utoa (gfid));
- snprintf (msg, sizeof (msg),
- "'%s:%s' gfid (%s) is not that of "
- "glusterfs '/' ", host, path, uuid_utoa (gfid));
- ret = -1;
- goto out;
- }
- } else if (ret != -1) {
- /* Wrong 'gfid' is set, it should be error */
- ret = -1;
- snprintf (msg, sizeof (msg), "'%s:%s' has wrong entry"
- "for 'gfid'.", host, path);
- goto out;
- } else if ((ret == -1) && (errno != ENODATA)) {
- /* Wrong 'gfid' is set, it should be error */
- snprintf (msg, sizeof (msg), "'%s:%s' has failed to fetch "
- "'gfid' (%s)", host, path, strerror (errno));
+ ret = glusterd_is_path_in_use (path, &in_use, op_errstr);
+ if (ret)
goto out;
- }
- ret = 0;
- if (!uuid)
- goto out;
-
- /* This 'key' is set when the volume is started for the first time */
- ret = sys_lgetxattr (path, "trusted.glusterfs.volume-id",
- old_uuid, 16);
- if ((ret >= 0 && ret != 16) || ((ret == 16) &&
- uuid_compare (old_uuid, uuid))) {
- snprintf (msg, sizeof (msg), "'%s:%s' has been part of "
- "a volume with id %s. Please re-create the brick "
- "directory.", host, path, uuid_utoa (old_uuid));
- gf_log (THIS->name, GF_LOG_WARNING, "%s", msg);
+ if (in_use) {
ret = -1;
goto out;
+ }
- } else if ((ret == -1) && (errno != ENODATA)) {
- snprintf (msg, sizeof (msg), "'%s:%s' : failed to fetch "
- "'volume-id' (%s)", host, path, strerror (errno));
- gf_log (THIS->name, GF_LOG_WARNING, "%s", msg);
+ ret = sys_lsetxattr (path, GF_XATTR_VOL_ID_KEY, uuid, 16,
+ XATTR_CREATE);
+ if (ret) {
+ snprintf (msg, sizeof (msg), "Failed to set extended "
+ "attributes %s, reason: %s",
+ GF_XATTR_VOL_ID_KEY, strerror (errno));
+ if (created)
+ rmdir (path);
goto out;
-
}
- /* if 'ret == -1' then 'volume-id' not set, seems to be a fresh
- directory */
ret = 0;
out:
- if (msg[0] != '\0')
+ if (strlen (msg))
*op_errstr = gf_strdup (msg);
- gf_log ("", GF_LOG_DEBUG, "returning %d", ret);
return ret;
+
}
int
@@ -4816,19 +4859,35 @@ glusterd_delete_all_bricks (glusterd_volinfo_t* volinfo)
return ret;
}
+/* @new should be used by caller only if ret is zero.
+ * caller should set @new to 'true' by default.*/
int
-mkdir_if_missing (char *path)
+mkdir_if_missing (char *path, gf_boolean_t *new)
{
struct stat st = {0,};
int ret = 0;
+ gf_boolean_t created = _gf_true;
ret = mkdir (path, 0777);
- if (!ret || errno == EEXIST)
- ret = stat (path, &st);
- if (ret == -1 || !S_ISDIR (st.st_mode))
+ if (ret && errno != EEXIST)
+ goto out;
+
+ if (ret && errno == EEXIST)
+ created = _gf_false;
+
+ ret = stat (path, &st);
+ if (ret == -1 || !S_ISDIR (st.st_mode)) {
+ ret = -1;
+ goto out;
+ }
+
+ if (new)
+ *new = created;
+
+out:
+ if (ret)
gf_log ("", GF_LOG_WARNING, "Failed to create the"
" directory %s", path);
-
return ret;
}
@@ -4859,7 +4918,7 @@ glusterd_start_gsync (glusterd_volinfo_t *master_vol, char *slave,
goto out;
snprintf (buf, PATH_MAX, "%s/"GEOREP"/%s", priv->workdir, master_vol->volname);
- ret = mkdir_if_missing (buf);
+ ret = mkdir_if_missing (buf, NULL);
if (ret) {
errcode = -1;
goto out;
@@ -4867,7 +4926,7 @@ glusterd_start_gsync (glusterd_volinfo_t *master_vol, char *slave,
snprintf (buf, PATH_MAX, DEFAULT_LOG_FILE_DIRECTORY"/"GEOREP"/%s",
master_vol->volname);
- ret = mkdir_if_missing (buf);
+ ret = mkdir_if_missing (buf, NULL);
if (ret) {
errcode = -1;
goto out;
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.h b/xlators/mgmt/glusterd/src/glusterd-utils.h
index 7b71f05a4..d149cb9d0 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.h
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.h
@@ -57,6 +57,15 @@ typedef struct glusterd_voldict_ctx_ {
char *val_name;
} glusterd_voldict_ctx_t;
+/* Moved the definition from gluster-utils.c avoiding
+ * extern'ing in multiple places.
+ * (Indeed, XXX: we'd rather need a general
+ * "mkdir -p" like routine in libglusterfs)
+*/
+
+int
+mkdir_if_missing (char *path, gf_boolean_t *new);
+
int
glusterd_compare_lines (const void *a, const void *b);
@@ -319,7 +328,7 @@ glusterd_rb_check_bricks (glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t *dst_brick);
int
-glusterd_brick_create_path (char *host, char *path, uuid_t uuid, mode_t mode,
+glusterd_brick_create_path (char *host, char *path, uuid_t uuid,
char **op_errstr);
int
glusterd_sm_tr_log_transition_add (glusterd_sm_tr_log_t *log,
diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-ops.c b/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
index 4ee9582fd..9ee28733a 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
@@ -718,7 +718,7 @@ glusterd_op_stage_create_volume (dict_t *dict, char **op_errstr)
ret = glusterd_brick_create_path (brick_info->hostname,
brick_info->path,
volume_uuid,
- 0777, op_errstr);
+ op_errstr);
if (ret)
goto out;
brick_list = tmpptr;
@@ -843,21 +843,6 @@ glusterd_op_stage_start_volume (dict_t *dict, char **op_errstr)
goto out;
}
- /* we should not be creating the directory if 'force' option
- is not given. This may lead to issues where the actual data
- disk is not mounted after a machine reboot, but because
- 'glusterd' restarts the processes, the export directories
- can be automatically created and brick would start */
- if ((flags & GF_CLI_FLAG_OP_FORCE) &&
- !uuid_compare (brickinfo->uuid, priv->uuid)) {
- ret = glusterd_brick_create_path (brickinfo->hostname,
- brickinfo->path,
- volinfo->volume_id,
- 0777, op_errstr);
- if (ret)
- goto out;
- }
-
if (!(flags & GF_CLI_FLAG_OP_FORCE)) {
if (glusterd_is_volume_started (volinfo)) {
snprintf (msg, sizeof (msg), "Volume %s already"
diff --git a/xlators/mgmt/glusterd/src/glusterd.c b/xlators/mgmt/glusterd/src/glusterd.c
index 6acf3daff..61d770439 100644
--- a/xlators/mgmt/glusterd/src/glusterd.c
+++ b/xlators/mgmt/glusterd/src/glusterd.c
@@ -246,18 +246,6 @@ out:
return ret;
}
-/* defined in glusterd-utils.c -- no
- * glusterd header where it would be
- * appropriate to put to, and too
- * accidental routine to place in
- * libglusterfs.
- *
- * (Indeed, XXX: we'd rather need a general
- * "mkdir -p" like routine in
- * libglusterfs)
- */
-extern int mkdir_if_missing (char *path);
-
#if SYNCDAEMON_COMPILE
static int
glusterd_check_gsync_present (int *valid_state)
@@ -356,7 +344,7 @@ glusterd_crt_georep_folders (char *georepdir, glusterd_conf_t *conf)
}
snprintf (georepdir, PATH_MAX, "%s/"GEOREP, conf->workdir);
- ret = mkdir_if_missing (georepdir);
+ ret = mkdir_if_missing (georepdir, NULL);
if (-1 == ret) {
gf_log ("glusterd", GF_LOG_CRITICAL,
"Unable to create "GEOREP" directory %s",
@@ -371,7 +359,7 @@ glusterd_crt_georep_folders (char *georepdir, glusterd_conf_t *conf)
georepdir);
goto out;
}
- ret = mkdir_if_missing (DEFAULT_LOG_FILE_DIRECTORY"/"GEOREP);
+ ret = mkdir_if_missing (DEFAULT_LOG_FILE_DIRECTORY"/"GEOREP, NULL);
if (-1 == ret) {
gf_log ("glusterd", GF_LOG_CRITICAL,
"Unable to create "GEOREP" log directory");
@@ -385,7 +373,8 @@ glusterd_crt_georep_folders (char *georepdir, glusterd_conf_t *conf)
georepdir);
goto out;
}
- ret = mkdir_if_missing (DEFAULT_LOG_FILE_DIRECTORY"/"GEOREP"-slaves");
+ ret = mkdir_if_missing (DEFAULT_LOG_FILE_DIRECTORY"/"GEOREP"-slaves",
+ NULL);
if (-1 == ret) {
gf_log ("glusterd", GF_LOG_CRITICAL,
"Unable to create "GEOREP" slave log directory");
generated by cgit (git 2.34.1) at 2024-11-18 11:21:31 +0000