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Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-op-sm.c')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-op-sm.c377
1 files changed, 377 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.c b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
index 31e2a9e50f2..8f6861417be 100644
--- a/xlators/mgmt/glusterd/src/glusterd-op-sm.c
+++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
@@ -84,6 +84,7 @@ glusterd_op_get_len (glusterd_op_t op)
case GD_OP_START_BRICK:
break;
+ case GD_OP_REPLACE_BRICK:
case GD_OP_ADD_BRICK:
{
dict_t *dict = glusterd_op_get_ctx (op);
@@ -210,6 +211,20 @@ glusterd_op_build_payload (glusterd_op_t op, gd1_mgmt_stage_op_req **req)
}
break;
+ case GD_OP_REPLACE_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;
+
case GD_OP_REMOVE_BRICK:
{
dict_t *dict = NULL;
@@ -533,6 +548,55 @@ out:
}
static int
+glusterd_op_stage_replace_brick (gd1_mgmt_stage_op_req *req)
+{
+ int ret = 0;
+ dict_t *dict = NULL;
+ char *src_brick = NULL;
+ char *dst_brick = NULL;
+
+ 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;
+ }
+ /* Need to do a little more error checking and validation */
+ ret = dict_get_str (dict, "src-brick", &src_brick);
+
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to get src brick");
+ goto out;
+ }
+
+ gf_log ("", GF_LOG_DEBUG,
+ "src brick=%s", src_brick);
+
+ ret = dict_get_str (dict, "dst-brick", &dst_brick);
+
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to get dest brick");
+ goto out;
+ }
+
+ gf_log ("", GF_LOG_DEBUG,
+ "dest brick=%s", dst_brick);
+
+ ret = 0;
+
+out:
+ gf_log ("", GF_LOG_DEBUG, "Returning %d", ret);
+
+ return ret;
+}
+
+static int
glusterd_op_stage_remove_brick (gd1_mgmt_stage_op_req *req)
{
int ret = 0;
@@ -828,6 +892,310 @@ out:
}
static int
+replace_brick_start_dst_brick (glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *dst_brickinfo)
+{ glusterd_conf_t *priv = NULL;
+ char cmd_str[8192] = {0,};
+ char filename[PATH_MAX];
+ FILE *file = NULL;
+ int ret;
+
+ priv = THIS->private;
+
+ snprintf (filename, PATH_MAX, "%s/vols/%s/replace_dst_brick.vol",
+ priv->workdir, volinfo->volname);
+
+
+ file = fopen (filename, "a+");
+ if (!file) {
+ gf_log ("", GF_LOG_DEBUG,
+ "Open of volfile failed");
+ return -1;
+ }
+
+ truncate (filename, 0);
+
+ fprintf (file, "volume src-posix\n");
+ fprintf (file, "type storage/posix\n");
+ fprintf (file, "option directory %s\n",
+ dst_brickinfo->path);
+ fprintf (file, "end-volume\n");
+ fprintf (file, "volume %s\n",
+ dst_brickinfo->path);
+ fprintf (file, "type features/locks\n");
+ fprintf (file, "subvolumes src-posix\n");
+ fprintf (file, "end-volume\n");
+ fprintf (file, "volume src-server\n");
+ fprintf (file, "type protocol/server\n");
+ fprintf (file, "option auth.addr.%s.allow *\n",
+ dst_brickinfo->path);
+ fprintf (file, "option listen-port 34034\n");
+ fprintf (file, "subvolumes %s\n",
+ dst_brickinfo->path);
+ fprintf (file, "end-volume\n");
+
+ gf_log ("", GF_LOG_DEBUG,
+ "starting dst brick");
+
+ snprintf (cmd_str, 4096, "glusterfs -f %s/vols/%s/replace_dst_brick.vol",
+ priv->workdir, volinfo->volname);
+
+ ret = system (cmd_str);
+
+
+ fclose (file);
+
+ return 0;
+}
+
+static int
+replace_brick_spawn_brick (glusterd_volinfo_t *volinfo, dict_t *dict,
+ glusterd_brickinfo_t *dst_brickinfo)
+
+{
+
+ replace_brick_start_dst_brick (volinfo, dst_brickinfo);
+
+ return 0;
+}
+
+static int
+replace_brick_generate_volfile (glusterd_volinfo_t *volinfo,
+ glusterd_brickinfo_t *src_brickinfo)
+{
+ glusterd_conf_t *priv = NULL;
+ FILE *file = NULL;
+ char filename[PATH_MAX];
+ int ret;
+
+ priv = THIS->private;
+
+ gf_log ("", GF_LOG_DEBUG,
+ "Creating volfile");
+
+ snprintf (filename, PATH_MAX, "%s/vols/%s/replace_brick.vol",
+ priv->workdir, volinfo->volname);
+
+ file = fopen (filename, "a+");
+ if (!file) {
+ gf_log ("", GF_LOG_DEBUG,
+ "Open of volfile failed");
+ return -1;
+ }
+
+ ret = truncate (filename, 0);
+ ret = unlink ("/tmp/replace_brick.vol");
+
+ fprintf (file, "volume client/protocol\n");
+ fprintf (file, "type protocol/client\n");
+ fprintf (file, "option remote-host %s\n",
+ src_brickinfo->hostname);
+ fprintf (file, "option remote-subvolume %s\n",
+ src_brickinfo->path);
+ fprintf (file, "option remote-port 34034\n");
+ fprintf (file, "echo end-volume\n");
+
+ ret = symlink(filename, "/tmp/replace_brick.vol");
+ if (!ret) {
+ gf_log ("", GF_LOG_DEBUG,
+ "symlink call failed");
+ return -1;
+ }
+
+ fclose (file);
+
+ return 0;
+}
+
+static int
+replace_brick_start_source_brick (glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *src_brickinfo,
+ glusterd_brickinfo_t *dst_brickinfo)
+{ glusterd_conf_t *priv = NULL;
+ char filename[PATH_MAX];
+ FILE *file = NULL;
+ char cmd_str[8192] = {0,};
+ int ret;
+
+ priv = THIS->private;
+
+ gf_log ("", GF_LOG_DEBUG,
+ "Creating volfile");
+
+ snprintf (filename, PATH_MAX, "%s/vols/%s/replace_source_brick.vol",
+ priv->workdir, volinfo->volname);
+
+ file = fopen (filename, "a+");
+ if (!file) {
+ gf_log ("", GF_LOG_DEBUG,
+ "Open of volfile failed");
+ return -1;
+ }
+
+ ret = truncate (filename, 0);
+
+ fprintf (file, "volume src-posix\n");
+ fprintf (file, "type storage/posix\n");
+ fprintf (file, "option directory %s\n",
+ src_brickinfo->path);
+ fprintf (file, "end-volume\n");
+ fprintf (file, "volume locks\n");
+ fprintf (file, "type features/locks\n");
+ fprintf (file, "subvolumes src-posix\n");
+ fprintf (file, "end-volume\n");
+ fprintf (file, "volume remote-client\n");
+ fprintf (file, "type protocol/client\n");
+ fprintf (file, "option remote-host %s\n",
+ dst_brickinfo->hostname);
+ fprintf (file, "option remote-port 34034\n");
+ fprintf (file, "option remote-subvolume %s\n",
+ dst_brickinfo->path);
+ fprintf (file, "end-volume\n");
+ fprintf (file, "volume %s\n",
+ src_brickinfo->path);
+ fprintf (file, "type cluster/pump\n");
+ fprintf (file, "subvolumes locks remote-client\n");
+ fprintf (file, "end-volume\n");
+ fprintf (file, "volume src-server\n");
+ fprintf (file, "type protocol/server\n");
+ fprintf (file, "option auth.addr.%s.allow *\n",
+ src_brickinfo->path);
+ fprintf (file, "option listen-port 34034\n");
+ fprintf (file, "subvolumes %s\n",
+ src_brickinfo->path);
+ fprintf (file, "end-volume\n");
+
+
+ gf_log ("", GF_LOG_DEBUG,
+ "starting source brick");
+
+ snprintf (cmd_str, 4096, "glusterfs -f %s/vols/%s/replace_source_brick.vol -l /tmp/b_log -LTRACE",
+ priv->workdir, volinfo->volname);
+
+ ret = system (cmd_str);
+
+ fclose (file);
+
+ return 0;
+}
+
+static int
+replace_brick_mount (glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *src_brickinfo,
+ glusterd_brickinfo_t *dst_brickinfo, gf1_cli_replace_op op)
+{
+
+ gf_log ("", GF_LOG_DEBUG,
+ "starting source brick");
+
+ replace_brick_start_source_brick (volinfo, src_brickinfo,
+ dst_brickinfo);
+
+ return 0;
+}
+
+static int
+glusterd_op_replace_brick (gd1_mgmt_stage_op_req *req)
+{
+ int ret = 0;
+ dict_t *dict = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
+ char *volname = NULL;
+ xlator_t *this = NULL;
+ glusterd_conf_t *priv = NULL;
+ char *src_brick = NULL;
+ char *dst_brick = NULL;
+ char *str = NULL;
+
+ glusterd_brickinfo_t *src_brickinfo = NULL;
+ glusterd_brickinfo_t *dst_brickinfo = 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;
+ }
+
+ /* Need to do a little more error checking and validation */
+ ret = dict_get_str (dict, "src-brick", &src_brick);
+
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to get src brick");
+ goto out;
+ }
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "src brick=%s", src_brick);
+
+ ret = dict_get_str (dict, "dst-brick", &dst_brick);
+
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to get dest brick");
+ goto out;
+ }
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "dst brick=%s", dst_brick);
+
+ 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;
+ }
+
+ str = strdup (src_brick);
+
+ ret = glusterd_brickinfo_get (str, volinfo,
+ &src_brickinfo);
+ if (ret) {
+ gf_log ("", GF_LOG_DEBUG, "Unable to get src-brickinfo");
+ goto out;
+ }
+
+ ret = glusterd_brickinfo_from_brick (dst_brick, &dst_brickinfo);
+ if (ret) {
+ gf_log ("", GF_LOG_DEBUG, "Unable to get dst-brickinfo");
+ goto out;
+ }
+
+ replace_brick_generate_volfile (volinfo, src_brickinfo);
+
+ if (!glusterd_is_local_addr (src_brickinfo->hostname)) {
+ gf_log ("", GF_LOG_NORMAL,
+ "I AM THE SOURCE HOST");
+ replace_brick_mount (volinfo, src_brickinfo, dst_brickinfo,
+ req->op);
+ } else if (!glusterd_is_local_addr (dst_brickinfo->hostname)) {
+ gf_log ("", GF_LOG_NORMAL,
+ "I AM THE DESTINATION HOST");
+ replace_brick_spawn_brick (volinfo, dict, dst_brickinfo);
+ }
+
+ ret = 0;
+
+out:
+ return ret;
+}
+
+static int
glusterd_op_remove_brick (gd1_mgmt_stage_op_req *req)
{
int ret = 0;
@@ -1609,6 +1977,11 @@ glusterd_op_stage_validate (gd1_mgmt_stage_op_req *req)
ret = glusterd_op_stage_add_brick (req);
break;
+ case GD_OP_REPLACE_BRICK:
+ ret = glusterd_op_stage_replace_brick (req);
+ break;
+
+
case GD_OP_REMOVE_BRICK:
ret = glusterd_op_stage_remove_brick (req);
break;
@@ -1652,6 +2025,10 @@ glusterd_op_commit_perform (gd1_mgmt_stage_op_req *req)
ret = glusterd_op_add_brick (req);
break;
+ case GD_OP_REPLACE_BRICK:
+ ret = glusterd_op_replace_brick (req);
+ break;
+
case GD_OP_REMOVE_BRICK:
ret = glusterd_op_remove_brick (req);
break;
generated by cgit (git 2.34.1) at 2024-11-17 14:18:54 +0000