diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-op-sm.c')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-op-sm.c | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.c b/xlators/mgmt/glusterd/src/glusterd-op-sm.c index 0871dfedc19..1a954cce2e8 100644 --- a/xlators/mgmt/glusterd/src/glusterd-op-sm.c +++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.c @@ -90,7 +90,15 @@ glusterd_op_get_len (glusterd_op_t op) ret = dict_serialized_length (dict); return ret; } + + case GD_OP_REMOVE_BRICK: + { + dict_t *dict = glusterd_op_get_ctx (op); + ret = dict_serialized_length (dict); + return ret; + } break; + break; default: GF_ASSERT (op); @@ -202,6 +210,20 @@ glusterd_op_build_payload (glusterd_op_t op, gd1_mgmt_stage_op_req **req) } break; + case GD_OP_REMOVE_BRICK: + { + dict_t *dict = NULL; + dict = glusterd_op_get_ctx (op); + GF_ASSERT (dict); + ret = dict_allocate_and_serialize (dict, + &stage_req->buf.buf_val, + (size_t *)&stage_req->buf.buf_len); + if (ret) { + goto out; + } + } + break; + default: break; } @@ -511,6 +533,52 @@ out: } static int +glusterd_op_stage_remove_brick (gd1_mgmt_stage_op_req *req) +{ + int ret = 0; + dict_t *dict = NULL; + char *volname = NULL; + gf_boolean_t exists = _gf_false; + + GF_ASSERT (req); + + dict = dict_new (); + if (!dict) + goto out; + + ret = dict_unserialize (req->buf.buf_val, req->buf.buf_len, &dict); + + if (ret) { + gf_log ("", GF_LOG_ERROR, "Unable to unserialize dict"); + goto out; + } + + ret = dict_get_str (dict, "volname", &volname); + + if (ret) { + gf_log ("", GF_LOG_ERROR, "Unable to get volume name"); + goto out; + } + + exists = glusterd_check_volume_exists (volname); + + if (!exists) { + gf_log ("", GF_LOG_ERROR, "Volume with name: %s exists", + volname); + ret = -1; + goto out; + } else { + ret = 0; + } + +out: + gf_log ("", GF_LOG_DEBUG, "Returning %d", ret); + + return ret; +} + + +static int glusterd_op_create_volume (gd1_mgmt_stage_op_req *req) { int ret = 0; @@ -759,6 +827,126 @@ out: } static int +glusterd_op_remove_brick (gd1_mgmt_stage_op_req *req) +{ + int ret = 0; + dict_t *dict = NULL; + char *volname = NULL; + glusterd_conf_t *priv = NULL; + glusterd_volinfo_t *volinfo = NULL; + glusterd_brickinfo_t *brickinfo = NULL; + xlator_t *this = NULL; + char *brick = NULL; + int32_t count = 0; + int32_t i = 1; + gf_boolean_t glfs_stopped = _gf_false; + int32_t mybrick = 0; + char key[256] = {0,}; + char *dup_brick = NULL; + + GF_ASSERT (req); + + this = THIS; + GF_ASSERT (this); + + priv = this->private; + GF_ASSERT (priv); + + dict = dict_new (); + if (!dict) + goto out; + + ret = dict_unserialize (req->buf.buf_val, req->buf.buf_len, &dict); + + if (ret) { + gf_log ("", GF_LOG_ERROR, "Unable to unserialize dict"); + goto out; + } + + ret = dict_get_str (dict, "volname", &volname); + + if (ret) { + gf_log ("", GF_LOG_ERROR, "Unable to get volume name"); + goto out; + } + + ret = glusterd_volinfo_find (volname, &volinfo); + + if (ret) { + gf_log ("", GF_LOG_ERROR, "Unable to allocate memory"); + goto out; + } + + + ret = dict_get_int32 (dict, "count", &count); + if (ret) { + gf_log ("", GF_LOG_ERROR, "Unable to get count"); + goto out; + } + + + while ( i <= count) { + snprintf (key, 256, "brick%d", i); + ret = dict_get_str (dict, key, &brick); + if (ret) { + gf_log ("", GF_LOG_ERROR, "Unable to get %s", key); + goto out; + } + dup_brick = gf_strdup (brick); + + ret = glusterd_brickinfo_get (dup_brick, volinfo, &brickinfo); + if (ret) + goto out; + + + ret = glusterd_resolve_brick (brickinfo); + + if (ret) + goto out; + + if (!uuid_compare (brickinfo->uuid, priv->uuid)) { + ret = + glusterd_volume_create_generate_volfiles (volinfo); + if (ret) + goto out; + + gf_log ("", GF_LOG_NORMAL, "About to stop glusterfs" + " for brick %s:%s", brickinfo->hostname, + brickinfo->path); + ret = glusterd_volume_stop_glusterfs + (volinfo, brickinfo, mybrick); + if (ret) { + gf_log ("", GF_LOG_ERROR, "Unable to start " + "glusterfs, ret: %d", ret); + goto out; + } + glusterd_brickinfo_delete (brickinfo); + glfs_stopped = _gf_true; + mybrick++; + } + + i++; + } + + if (!glfs_stopped) { + ret = glusterd_volume_create_generate_volfiles (volinfo); + if (ret) + goto out; + } + +/* ret = glusterd_ha_update_volume (volinfo); + + if (ret) + goto out; +*/ + + +out: + return ret; +} + + +static int glusterd_op_delete_volume (gd1_mgmt_stage_op_req *req) { int ret = 0; @@ -1225,6 +1413,17 @@ glusterd_op_send_cli_response (int32_t op, int32_t op_ret, sfunc = gf_xdr_serialize_cli_add_brick_rsp; break; } + + case GD_MGMT_CLI_REMOVE_BRICK: + { + gf1_cli_remove_brick_rsp rsp = {0,}; + rsp.op_ret = op_ret; + rsp.op_errno = op_errno; + rsp.volname = ""; + cli_rsp = &rsp; + sfunc = gf_xdr_serialize_cli_remove_brick_rsp; + break; + } } @@ -1246,6 +1445,7 @@ glusterd_op_txn_complete () { int32_t ret = -1; glusterd_conf_t *priv = NULL; + int32_t op = -1; priv = THIS->private; GF_ASSERT (priv); @@ -1265,6 +1465,16 @@ glusterd_op_txn_complete () opinfo.op_ret = 0; opinfo.op_errno = 0; + + op = glusterd_op_get_op (); + + if (op != -1) { + glusterd_op_clear_pending_op (op); + glusterd_op_clear_commit_op (op); + glusterd_op_clear_op (op); + glusterd_op_clear_ctx (op); + } + out: pthread_mutex_unlock (&opinfo.lock); gf_log ("glusterd", GF_LOG_NORMAL, "Returning %d", ret); @@ -1395,6 +1605,10 @@ glusterd_op_stage_validate (gd1_mgmt_stage_op_req *req) ret = glusterd_op_stage_add_brick (req); break; + case GD_OP_REMOVE_BRICK: + ret = glusterd_op_stage_remove_brick (req); + break; + default: gf_log ("", GF_LOG_ERROR, "Unknown op %d", req->op); @@ -1433,6 +1647,11 @@ glusterd_op_commit_perform (gd1_mgmt_stage_op_req *req) case GD_OP_ADD_BRICK: ret = glusterd_op_add_brick (req); break; + + case GD_OP_REMOVE_BRICK: + ret = glusterd_op_remove_brick (req); + break; + default: gf_log ("", GF_LOG_ERROR, "Unknown op %d", req->op); @@ -1695,6 +1914,28 @@ glusterd_op_set_op (glusterd_op_t op) } int32_t +glusterd_op_get_op () +{ + + int i = 0; + int32_t ret = 0; + + for ( i = 0; i < GD_OP_MAX; i++) { + if (opinfo.op[i]) + break; + } + + if ( i == GD_OP_MAX) + ret = -1; + else + ret = i; + + return ret; + +} + + +int32_t glusterd_op_set_cli_op (gf_mgmt_procnum op) { @@ -1748,6 +1989,19 @@ glusterd_op_clear_commit_op (glusterd_op_t op) } int32_t +glusterd_op_clear_op (glusterd_op_t op) +{ + + GF_ASSERT (op < GD_OP_MAX); + GF_ASSERT (op > GD_OP_NONE); + + opinfo.op[op] = 0; + + return 0; + +} + +int32_t glusterd_op_set_ctx (glusterd_op_t op, void *ctx) { @@ -1760,6 +2014,23 @@ glusterd_op_set_ctx (glusterd_op_t op, void *ctx) } +int32_t +glusterd_op_clear_ctx (glusterd_op_t op) +{ + + void *ctx = NULL; + + GF_ASSERT (op < GD_OP_MAX); + GF_ASSERT (op > GD_OP_NONE); + + ctx = opinfo.op_ctx[op]; + + if (ctx) + GF_FREE (ctx); + + return 0; + +} void * glusterd_op_get_ctx (glusterd_op_t op) |