diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-utils.c')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-utils.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c index d829676228c..5c2d6f23309 100644 --- a/xlators/mgmt/glusterd/src/glusterd-utils.c +++ b/xlators/mgmt/glusterd/src/glusterd-utils.c @@ -1096,6 +1096,107 @@ out: } #endif +gf_boolean_t +glusterd_is_get_op (xlator_t *this, glusterd_op_t op, dict_t *dict) +{ + char *key = NULL; + char *volname = NULL; + int ret = 0; + + if (op == GD_OP_STATUS_VOLUME) + return _gf_true; + + if (op == GD_OP_SET_VOLUME) { + /*check for set volume help*/ + ret = dict_get_str (dict, "volname", &volname); + if (volname && + ((strcmp (volname, "help") == 0) || + (strcmp (volname, "help-xml") == 0))) { + ret = dict_get_str (dict, "key1", &key); + if (ret < 0) + return _gf_true; + } + } + return _gf_false; +} + +gf_boolean_t +glusterd_is_quorum_validation_required (xlator_t *this, glusterd_op_t op, + dict_t *dict) +{ + gf_boolean_t required = _gf_true; + char *key = NULL; + char *key_fixed = NULL; + int ret = -1; + + if (glusterd_is_get_op (this, op, dict)) { + required = _gf_false; + goto out; + } + if ((op != GD_OP_SET_VOLUME) && (op != GD_OP_RESET_VOLUME)) + goto out; + if (op == GD_OP_SET_VOLUME) + ret = dict_get_str (dict, "key1", &key); + else if (op == GD_OP_RESET_VOLUME) + ret = dict_get_str (dict, "key", &key); + if (ret) + goto out; + ret = glusterd_check_option_exists (key, &key_fixed); + if (ret <= 0) + goto out; + if (key_fixed) + key = key_fixed; + if (glusterd_is_quorum_option (key)) + required = _gf_false; +out: + GF_FREE (key_fixed); + return required; +} + +/* This function should not be used when the quorum validation needs to happen + * on non-global peer list */ +int +glusterd_validate_quorum (xlator_t *this, glusterd_op_t op, + dict_t *dict, char **op_errstr) +{ + int ret = 0; + char *volname = NULL; + glusterd_volinfo_t *volinfo = NULL; + char *errstr = NULL; + + errstr = "Quorum not met. Volume operation not allowed."; + if (!glusterd_is_quorum_validation_required (this, op, dict)) + goto out; + + ret = dict_get_str (dict, "volname", &volname); + if (ret) { + ret = 0; + goto out; + } + + ret = glusterd_volinfo_find (volname, &volinfo); + if (ret) { + ret = 0; + goto out; + } + + /* Passing NULL implies quorum calculation will happen on global peer + * list */ + if (does_gd_meet_server_quorum (this, NULL, _gf_false)) { + ret = 0; + goto out; + } + + if (glusterd_is_volume_in_server_quorum (volinfo)) { + ret = -1; + *op_errstr = gf_strdup (errstr); + goto out; + } + ret = 0; +out: + return ret; +} + int glusterd_validate_and_create_brickpath (glusterd_brickinfo_t *brickinfo, uuid_t volume_id, char **op_errstr, |