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authorVijay Bellur <vijay@gluster.com>2010-07-27 08:48:49 +0000
committerAnand V. Avati <avati@dev.gluster.com>2010-07-27 07:42:59 -0700
commit26cc6b015bb29f942194d1ca2a3dd21d5483d829 (patch)
treeeba35c888e4354f026a503429f5b9bcada02b1b6 /xlators/mgmt/glusterd
parent232235a9ddeaf33159ee8af809efee440b06c6d1 (diff)
DVM: Changes for remove brick
Signed-off-by: Vijay Bellur <vijay@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1220 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1220
Diffstat (limited to 'xlators/mgmt/glusterd')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-handler.c56
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-op-sm.c271
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-op-sm.h14
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.c37
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.h4
-rw-r--r--xlators/mgmt/glusterd/src/glusterd.h6
-rw-r--r--xlators/mgmt/glusterd/src/glusterd3_1-mops.c6
7 files changed, 393 insertions, 1 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c
index c1ab571197b..8fe0b31a6cb 100644
--- a/xlators/mgmt/glusterd/src/glusterd-handler.c
+++ b/xlators/mgmt/glusterd/src/glusterd-handler.c
@@ -816,6 +816,44 @@ out:
}
int
+glusterd_handle_remove_brick (rpcsvc_request_t *req)
+{
+ int32_t ret = -1;
+ gf1_cli_remove_brick_req cli_req = {0,};
+ dict_t *dict = NULL;
+
+ GF_ASSERT (req);
+
+ if (!gf_xdr_to_cli_remove_brick_req (req->msg[0], &cli_req)) {
+ //failed to decode msg;
+ req->rpc_err = GARBAGE_ARGS;
+ goto out;
+ }
+
+ gf_log ("glusterd", GF_LOG_NORMAL, "Received rem brick req");
+
+ if (cli_req.bricks.bricks_len) {
+ /* Unserialize the dictionary */
+ dict = dict_new ();
+
+ ret = dict_unserialize (cli_req.bricks.bricks_val,
+ cli_req.bricks.bricks_len,
+ &dict);
+ if (ret < 0) {
+ gf_log ("glusterd", GF_LOG_ERROR,
+ "failed to "
+ "unserialize req-buffer to dictionary");
+ goto out;
+ }
+ }
+
+ ret = glusterd_remove_brick (req, dict);
+
+out:
+ return ret;
+}
+
+int
glusterd_op_lock_send_resp (rpcsvc_request_t *req, int32_t status)
{
@@ -1587,6 +1625,24 @@ glusterd_add_brick (rpcsvc_request_t *req, dict_t *dict)
}
int32_t
+glusterd_remove_brick (rpcsvc_request_t *req, dict_t *dict)
+{
+ int32_t ret = -1;
+
+ GF_ASSERT (req);
+ GF_ASSERT (dict);
+
+ glusterd_op_set_op (GD_OP_REMOVE_BRICK);
+
+ glusterd_op_set_ctx (GD_OP_REMOVE_BRICK, dict);
+ glusterd_op_set_req (req);
+
+ ret = glusterd_op_txn_begin ();
+
+ return ret;
+}
+
+int32_t
glusterd_list_friends (rpcsvc_request_t *req, dict_t *dict, int32_t flags)
{
int32_t ret = -1;
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)
diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.h b/xlators/mgmt/glusterd/src/glusterd-op-sm.h
index 4a619ba3ad2..1bcfbb5bfb1 100644
--- a/xlators/mgmt/glusterd/src/glusterd-op-sm.h
+++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.h
@@ -198,4 +198,18 @@ glusterd_op_set_cli_op (gf_mgmt_procnum op);
int32_t
glusterd_op_send_cli_response (int32_t op, int32_t op_ret,
int32_t op_errno, rpcsvc_request_t *req);
+int32_t
+glusterd_op_get_op ();
+
+int32_t
+glusterd_op_clear_pending_op (glusterd_op_t op);
+
+int32_t
+glusterd_op_clear_commit_op (glusterd_op_t op);
+
+int32_t
+glusterd_op_clear_op (glusterd_op_t op);
+
+int32_t
+glusterd_op_clear_ctx (glusterd_op_t op);
#endif
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index fb76d1f0305..1d4a8d2ec69 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -626,6 +626,43 @@ out:
int32_t
+glusterd_brickinfo_get (char *brick, glusterd_volinfo_t *volinfo,
+ glusterd_brickinfo_t **brickinfo)
+{
+ int32_t ret = -1;
+ char *hostname = NULL;
+ char *path = NULL;
+ glusterd_brickinfo_t *tmp = NULL;
+
+ GF_ASSERT (brick);
+ GF_ASSERT (brickinfo);
+ GF_ASSERT (volinfo);
+
+ gf_log ("", GF_LOG_NORMAL, "brick: %s", brick);
+
+ hostname = strtok (brick, ":");
+ path = strtok (NULL, ":");
+
+ GF_ASSERT (hostname);
+ GF_ASSERT (path);
+
+ list_for_each_entry (tmp, &volinfo->bricks, brick_list) {
+
+ if ((!strcmp (tmp->hostname, hostname)) &&
+ !strcmp (tmp->path, path)) {
+ gf_log ("", GF_LOG_NORMAL, "Found brick");
+ ret = 0;
+ break;
+ }
+ }
+
+ *brickinfo = tmp;
+
+ gf_log ("", GF_LOG_DEBUG, "Returning %d", ret);
+ return ret;
+}
+
+int32_t
glusterd_friend_cleanup (glusterd_peerinfo_t *peerinfo)
{
GF_ASSERT (peerinfo);
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.h b/xlators/mgmt/glusterd/src/glusterd-utils.h
index 39a0cdb197f..fc8b33ab1b9 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.h
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.h
@@ -111,4 +111,8 @@ glusterd_brickinfo_delete (glusterd_brickinfo_t *brickinfo);
gf_boolean_t
glusterd_is_cli_op_req (int32_t op);
+
+int32_t
+glusterd_brickinfo_get (char *brick, glusterd_volinfo_t *volinfo,
+ glusterd_brickinfo_t **brickinfo);
#endif
diff --git a/xlators/mgmt/glusterd/src/glusterd.h b/xlators/mgmt/glusterd/src/glusterd.h
index 5fccc0199bd..6446f2fc111 100644
--- a/xlators/mgmt/glusterd/src/glusterd.h
+++ b/xlators/mgmt/glusterd/src/glusterd.h
@@ -218,4 +218,10 @@ glusterd_add_brick (rpcsvc_request_t *req, dict_t *dict);
int
glusterd_handle_add_brick (rpcsvc_request_t *req);
+
+int
+glusterd_handle_remove_brick (rpcsvc_request_t *req);
+
+int32_t
+glusterd_remove_brick (rpcsvc_request_t *req, dict_t *dict);
#endif
diff --git a/xlators/mgmt/glusterd/src/glusterd3_1-mops.c b/xlators/mgmt/glusterd/src/glusterd3_1-mops.c
index 9b44465cf23..1a2cb7449c6 100644
--- a/xlators/mgmt/glusterd/src/glusterd3_1-mops.c
+++ b/xlators/mgmt/glusterd/src/glusterd3_1-mops.c
@@ -1169,6 +1169,9 @@ glusterd_handle_rpc_msg (rpcsvc_request_t *req)
ret = glusterd_handle_add_brick (req);
break;
+ case GD_MGMT_CLI_REMOVE_BRICK:
+ ret = glusterd_handle_remove_brick (req);
+ break;
default:
GF_ASSERT (0);
}
@@ -1204,7 +1207,8 @@ rpcsvc_actor_t glusterd1_mgmt_actors[] = {
[GD_MGMT_CLI_STOP_VOLUME] = { "STOP_VOLUME", GD_MGMT_CLI_STOP_VOLUME, glusterd_handle_rpc_msg, NULL, NULL},
[GD_MGMT_CLI_DELETE_VOLUME] = { "DELETE_VOLUME", GD_MGMT_CLI_DELETE_VOLUME, glusterd_handle_rpc_msg, NULL, NULL},
[GD_MGMT_CLI_GET_VOLUME] = { "GET_VOLUME", GD_MGMT_CLI_GET_VOLUME, glusterd_handle_rpc_msg, NULL, NULL},
- [GD_MGMT_CLI_ADD_BRICK] = { "GET_VOLUME", GD_MGMT_CLI_ADD_BRICK, glusterd_handle_rpc_msg, NULL, NULL},
+ [GD_MGMT_CLI_ADD_BRICK] = { "ADD_BRICK", GD_MGMT_CLI_ADD_BRICK, glusterd_handle_rpc_msg, NULL, NULL},
+ [GD_MGMT_CLI_REMOVE_BRICK] = { "REMOVE_BRICK", GD_MGMT_CLI_REMOVE_BRICK, glusterd_handle_rpc_msg, NULL, NULL},
};
/*rpcsvc_actor_t glusterd1_mgmt_actors[] = {