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-rw-r--r--xlators/mgmt/glusterd/src/glusterd-op-sm.c196
1 files changed, 190 insertions, 6 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.c b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
index 326968ea6b8..9b9684e59a1 100644
--- a/xlators/mgmt/glusterd/src/glusterd-op-sm.c
+++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
@@ -55,11 +55,36 @@
#include <signal.h>
#include <sys/wait.h>
+extern char ss_brick_path[PATH_MAX];
+extern char local_node_hostname[PATH_MAX];
+static int
+glusterd_set_shared_storage (dict_t *dict, char *key, char *value,
+ char **op_errstr);
+
+/* Valid options for all volumes to be listed in the *
+ * valid_all_vol_opts table. To add newer options to *
+ * all volumes, we can just add more entries to this *
+ * table *
+ */
+glusterd_all_vol_opts valid_all_vol_opts[] = {
+ { GLUSTERD_QUORUM_RATIO_KEY },
+ { GLUSTERD_SHARED_STORAGE_KEY },
+ { NULL },
+};
+
#define ALL_VOLUME_OPTION_CHECK(volname, key, ret, op_errstr, label) \
do { \
- gf_boolean_t _all = !strcmp ("all", volname); \
- gf_boolean_t _ratio = !strcmp (key, \
- GLUSTERD_QUORUM_RATIO_KEY); \
+ gf_boolean_t _all = !strcmp ("all", volname); \
+ gf_boolean_t _ratio = _gf_false; \
+ int32_t i = 0; \
+ \
+ for (i = 0; valid_all_vol_opts[i].option; i++) { \
+ if (!strcmp (key, valid_all_vol_opts[i].option)) { \
+ _ratio = _gf_true; \
+ break; \
+ } \
+ } \
+ \
if (_all && !_ratio) { \
ret = -1; \
*op_errstr = gf_strdup ("Not a valid option for all " \
@@ -682,6 +707,71 @@ out:
}
static int
+glusterd_validate_shared_storage (char *key, char *value, char *errstr)
+{
+ int32_t ret = -1;
+ int32_t exists = -1;
+ int32_t count = -1;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_VALIDATE_OR_GOTO ("glusterd", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, key, out);
+ GF_VALIDATE_OR_GOTO (this->name, value, out);
+ GF_VALIDATE_OR_GOTO (this->name, errstr, out);
+
+ ret = 0;
+
+ if (strcmp (key, GLUSTERD_SHARED_STORAGE_KEY)) {
+ goto out;
+ }
+
+ if ((strcmp (value, "enable")) &&
+ (strcmp (value, "disable"))) {
+ snprintf (errstr, PATH_MAX,
+ "Invalid option(%s). Valid options "
+ "are 'enable' and 'disable'", value);
+ gf_log (this->name, GF_LOG_ERROR, "%s", errstr);
+ ret = -1;
+ goto out;
+ }
+
+ if (strcmp (value, "enable")) {
+ goto out;
+ }
+
+ exists = glusterd_check_volume_exists (GLUSTER_SHARED_STORAGE);
+ if (exists) {
+ snprintf (errstr, PATH_MAX,
+ "Shared storage volume("GLUSTER_SHARED_STORAGE
+ ") already exists.");
+ gf_log (this->name, GF_LOG_ERROR, "%s", errstr);
+ ret = -1;
+ goto out;
+ }
+
+ ret = glusterd_count_connected_peers (&count);
+ if (ret) {
+ snprintf (errstr, PATH_MAX,
+ "Failed to calculate number of connected peers.");
+ gf_log (this->name, GF_LOG_ERROR, "%s", errstr);
+ goto out;
+ }
+
+ if (count <= 1) {
+ snprintf (errstr, PATH_MAX,
+ "More than one node should "
+ "be up/present in the cluster to enable this option");
+ gf_log (this->name, GF_LOG_ERROR, "%s", errstr);
+ ret = -1;
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+static int
glusterd_op_stage_set_volume (dict_t *dict, char **op_errstr)
{
int ret = -1;
@@ -696,7 +786,7 @@ glusterd_op_stage_set_volume (dict_t *dict, char **op_errstr)
int trash_path_len = 0;
int count = 0;
int dict_count = 0;
- char errstr[2048] = {0, };
+ char errstr[PATH_MAX] = {0, };
glusterd_volinfo_t *volinfo = NULL;
glusterd_brickinfo_t *brickinfo = NULL;
dict_t *val_dict = NULL;
@@ -1000,6 +1090,14 @@ glusterd_op_stage_set_volume (dict_t *dict, char **op_errstr)
}
}
+ ret = glusterd_validate_shared_storage (key, value, errstr);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to validate shared "
+ "storage volume options");
+ goto out;
+ }
+
if (!strcmp(key, "features.trash-dir") && trash_enabled) {
if (strchr (value, '/')) {
snprintf (errstr, sizeof (errstr),
@@ -1918,7 +2016,8 @@ out:
}
static int
-glusterd_op_set_all_volume_options (xlator_t *this, dict_t *dict)
+glusterd_op_set_all_volume_options (xlator_t *this, dict_t *dict,
+ char **op_errstr)
{
char *key = NULL;
char *key_fixed = NULL;
@@ -1942,6 +2041,7 @@ glusterd_op_set_all_volume_options (xlator_t *this, dict_t *dict)
"invalid key,value pair in 'volume set'");
goto out;
}
+
ret = glusterd_check_option_exists (key, &key_fixed);
if (ret <= 0) {
gf_log (this->name, GF_LOG_ERROR, "Invalid key %s", key);
@@ -1952,6 +2052,13 @@ glusterd_op_set_all_volume_options (xlator_t *this, dict_t *dict)
if (key_fixed)
key = key_fixed;
+ ret = glusterd_set_shared_storage (dict, key, value, op_errstr);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to set shared storage option");
+ goto out;
+ }
+
/* If the key is cluster.op-version, set conf->op_version to the value
* if needed and save it.
*/
@@ -2030,6 +2137,82 @@ out:
}
static int
+glusterd_set_shared_storage (dict_t *dict, char *key, char *value,
+ char **op_errstr)
+{
+ int32_t ret = -1;
+ int32_t exists = -1;
+ int32_t count = -1;
+ char hooks_args[PATH_MAX] = {0, };
+ char errstr[PATH_MAX] = {0, };
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_VALIDATE_OR_GOTO ("glusterd", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, dict, out);
+ GF_VALIDATE_OR_GOTO (this->name, key, out);
+ GF_VALIDATE_OR_GOTO (this->name, value, out);
+ GF_VALIDATE_OR_GOTO (this->name, op_errstr, out);
+
+ ret = 0;
+
+ if (strcmp (key, GLUSTERD_SHARED_STORAGE_KEY)) {
+ goto out;
+ }
+
+ /* Re-create the brick path so as to be *
+ * able to re-use it *
+ */
+ ret = recursive_rmdir (ss_brick_path);
+ if (ret) {
+ snprintf (errstr, PATH_MAX,
+ "Failed to remove shared "
+ "storage brick(%s). "
+ "Reason: %s", ss_brick_path,
+ strerror (errno));
+ gf_log (this->name, GF_LOG_ERROR, "%s", errstr);
+ ret = -1;
+ goto out;
+ }
+
+ ret = mkdir_p (ss_brick_path, 0777, _gf_true);
+ if (-1 == ret) {
+ snprintf (errstr, PATH_MAX,
+ "Failed to create shared "
+ "storage brick(%s). "
+ "Reason: %s", ss_brick_path,
+ strerror (errno));
+ gf_log (this->name, GF_LOG_ERROR, "%s", errstr);
+ goto out;
+ }
+
+ if (is_origin_glusterd (dict)) {
+ snprintf(hooks_args, sizeof(hooks_args),
+ "is_originator=1,local_node_hostname=%s",
+ local_node_hostname);
+ } else {
+ snprintf(hooks_args, sizeof(hooks_args),
+ "is_originator=0,local_node_hostname=%s",
+ local_node_hostname);
+ }
+
+ ret = dict_set_dynstr_with_alloc (dict, "hooks_args", hooks_args);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to set"
+ " hooks_args in dict.");
+ goto out;
+ }
+
+out:
+ if (ret && strlen(errstr)) {
+ *op_errstr = gf_strdup (errstr);
+ }
+
+ return ret;
+}
+
+
+static int
glusterd_op_set_volume (dict_t *dict, char **errstr)
{
int ret = 0;
@@ -2083,7 +2266,8 @@ glusterd_op_set_volume (dict_t *dict, char **errstr)
}
if (strcasecmp (volname, "all") == 0) {
- ret = glusterd_op_set_all_volume_options (this, dict);
+ ret = glusterd_op_set_all_volume_options (this, dict,
+ &op_errstr);
goto out;
}