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-rw-r--r--xlators/mgmt/glusterd/src/glusterd-handler.c309
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-mem-types.h1
-rw-r--r--xlators/mgmt/glusterd/src/glusterd.h37
-rw-r--r--xlators/mgmt/glusterd/src/glusterd3_1-mops.c2
4 files changed, 313 insertions, 36 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c
index a8b334c3dd9..ce4c661826e 100644
--- a/xlators/mgmt/glusterd/src/glusterd-handler.c
+++ b/xlators/mgmt/glusterd/src/glusterd-handler.c
@@ -594,7 +594,203 @@ out:
return ret;
}
+int
+glusterd_check_and_rebalance (glusterd_volinfo_t *volinfo, char *dir)
+{
+ int ret = -1;
+ int dst_fd = -1;
+ int src_fd = -1;
+ DIR *fd = NULL;
+ glusterd_defrag_info_t *defrag = NULL;
+ struct dirent *entry = NULL;
+ struct stat stbuf = {0,};
+ struct stat new_stbuf = {0,};
+ char full_path[1024] = {0,};
+ char tmp_filename[1024] = {0,};
+ char value[128] = {0,};
+
+ defrag = volinfo->defrag;
+ if (!defrag)
+ goto out;
+
+ fd = opendir (dir);
+ if (!fd)
+ goto out;
+
+ do {
+ entry = readdir (fd);
+ if (!entry)
+ break;
+
+ if (!strcmp (entry->d_name, ".") || !strcmp (entry->d_name, ".."))
+ continue;
+
+ snprintf (full_path, 1024, "%s/%s", dir, entry->d_name);
+
+ ret = stat (full_path, &stbuf);
+ if (ret == -1)
+ continue;
+
+ if (S_ISDIR (stbuf.st_mode)) {
+ //getfattr -n trusted.distribute.fix.layout "$path" ;
+ getxattr (full_path, "trusted.distribute.fix.layout",
+ &value, 128);
+
+ ret = glusterd_check_and_rebalance (volinfo, full_path);
+ }
+ if (S_ISREG (stbuf.st_mode) && ((stbuf.st_mode & 01000) == 01000)) {
+ /* TODO: run the defrag */
+ snprintf (tmp_filename, 1024, "%s/.%s.gfs%zu", dir,
+ entry->d_name, stbuf.st_size);
+
+ dst_fd = creat (tmp_filename, (stbuf.st_mode & ~01000));
+ if (dst_fd == -1)
+ continue;
+
+ src_fd = open (full_path, O_RDONLY);
+ if (src_fd == -1) {
+ close (dst_fd);
+ continue;
+ }
+
+ while (1) {
+ ret = read (src_fd, defrag->databuf, 131072);
+ if (!ret || (ret < 0)) {
+ close (dst_fd);
+ close (src_fd);
+ break;
+ }
+ ret = write (dst_fd, defrag->databuf, ret);
+ if (ret < 0) {
+ close (dst_fd);
+ close (src_fd);
+ break;
+ }
+ }
+
+ ret = stat (full_path, &new_stbuf);
+ if (ret < 0)
+ continue;
+ if (new_stbuf.st_mtime != stbuf.st_mtime)
+ continue;
+
+ ret = rename (tmp_filename, full_path);
+ if (ret != -1) {
+ LOCK (&defrag->lock);
+ {
+ defrag->total_files += 1;
+ defrag->total_data += stbuf.st_size;
+ }
+ UNLOCK (&defrag->lock);
+ }
+ }
+ ret = 0;
+
+ LOCK (&defrag->lock);
+ {
+ if (S_ISREG (stbuf.st_mode))
+ defrag->num_files_lookedup += 1;
+ if (volinfo->defrag_status == GF_DEFRAG_STATUS_STOPED)
+ ret = 1;
+ }
+ UNLOCK (&defrag->lock);
+ if (ret)
+ break;
+
+ /* Write the full 'glusterfs-defrag' here */
+
+ } while (1);
+
+ closedir (fd);
+
+ if (!entry)
+ ret = 0;
+out:
+ return ret;
+}
+
+void *
+glusterd_defrag_start (void *data)
+{
+ glusterd_volinfo_t *volinfo = data;
+ glusterd_defrag_info_t *defrag = NULL;
+ char cmd_str[1024] = {0,};
+ int ret = -1;
+
+ /* TODO: make it more generic.. */
+ defrag = volinfo->defrag;
+ if (!defrag)
+ goto out;
+
+ ret = glusterd_check_and_rebalance (volinfo, defrag->mount);
+
+ /* TODO: This should run in a thread, and finish the thread when
+ the task is complete. While defrag is running, keep updating
+ files */
+
+ volinfo->defrag_status = GF_DEFRAG_STATUS_COMPLETE;
+ volinfo->rebalance_files = defrag->total_files;
+ volinfo->rebalance_data = defrag->total_data;
+ volinfo->lookedup_files = defrag->num_files_lookedup;
+out:
+ gf_log ("defrag", GF_LOG_NORMAL, "defrag on %s complete",
+ defrag->mount);
+
+ snprintf (cmd_str, 1024, "umount %s", defrag->mount);
+ system (cmd_str);
+ volinfo->defrag = NULL;
+ LOCK_DESTROY (&defrag->lock);
+ GF_FREE (defrag);
+
+ return NULL;
+}
+
+int
+glusterd_defrag_stop (glusterd_volinfo_t *volinfo,
+ gf1_cli_defrag_vol_rsp *rsp)
+{
+ /* TODO: set a variaeble 'stop_defrag' here, it should be checked
+ in defrag loop */
+ if (!volinfo || !volinfo->defrag)
+ goto out;
+
+ LOCK (&volinfo->defrag->lock);
+ {
+ volinfo->defrag_status = GF_DEFRAG_STATUS_STOPED;
+ rsp->files = volinfo->defrag->total_files;
+ rsp->size = volinfo->defrag->total_data;
+ }
+ UNLOCK (&volinfo->defrag->lock);
+ rsp->op_ret = 0;
+out:
+ return 0;
+}
+
+int
+glusterd_defrag_status_get (glusterd_volinfo_t *volinfo,
+ gf1_cli_defrag_vol_rsp *rsp)
+{
+ if (!volinfo)
+ goto out;
+
+ if (volinfo->defrag) {
+ LOCK (&volinfo->defrag->lock);
+ {
+ rsp->files = volinfo->defrag->total_files;
+ rsp->size = volinfo->defrag->total_data;
+ rsp->lookedup_files = volinfo->defrag->num_files_lookedup;
+ }
+ UNLOCK (&volinfo->defrag->lock);
+ } else {
+ rsp->files = volinfo->rebalance_files;
+ rsp->size = volinfo->rebalance_data;
+ rsp->lookedup_files = volinfo->lookedup_files;
+ }
+ rsp->op_ret = 0;
+out:
+ return 0;
+}
int
glusterd_handle_defrag_volume (rpcsvc_request_t *req)
@@ -603,7 +799,9 @@ glusterd_handle_defrag_volume (rpcsvc_request_t *req)
gf1_cli_defrag_vol_req cli_req = {0,};
glusterd_conf_t *priv = NULL;
char cmd_str[4096] = {0,};
- glusterd_volinfo_t *tmp_volinfo = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
+ glusterd_defrag_info_t *defrag = NULL;
+ gf1_cli_defrag_vol_rsp rsp = {0,};
GF_ASSERT (req);
@@ -617,46 +815,87 @@ glusterd_handle_defrag_volume (rpcsvc_request_t *req)
gf_log ("glusterd", GF_LOG_NORMAL, "Received defrag volume on %s",
cli_req.volname);
- if (glusterd_volinfo_find(cli_req.volname, &tmp_volinfo)) {
- gf_log ("glusterd", GF_LOG_NORMAL, "Received defrag on invalid"
- " volname %s", cli_req.volname);
- goto out;
- }
-
- glusterd_op_set_op (GD_OP_DEFRAG_VOLUME);
+ rsp.volname = cli_req.volname;
+ rsp.op_ret = -1;
+ if (glusterd_volinfo_find(cli_req.volname, &volinfo)) {
+ gf_log ("glusterd", GF_LOG_NORMAL, "Received defrag on invalid"
+ " volname %s", cli_req.volname);
+ goto out;
+ }
- glusterd_op_set_ctx (GD_OP_DEFRAG_VOLUME, cli_req.volname);
+ if (volinfo->status != GLUSTERD_STATUS_STARTED) {
+ gf_log ("glusterd", GF_LOG_NORMAL, "Received defrag on stopped"
+ " volname %s", cli_req.volname);
+ goto out;
+ }
- /* TODO: make it more generic.. */
- /* Create a directory, mount glusterfs over it, start glusterfs-defrag */
- snprintf (cmd_str, 4096, "mkdir -p %s/mount/%s",
- priv->workdir, cli_req.volname);
- ret = system (cmd_str);
-
- if (ret) {
- gf_log("glusterd", GF_LOG_DEBUG, "command: %s failed", cmd_str);
- goto out;
- }
-
- snprintf (cmd_str, 4096, "glusterfs -f %s/vols/%s/%s-tcp.vol "
- "--xlator-option dht0.unhashed-sticky-bit=yes "
- "--xlator-option dht0.lookup-unhashed=on %s/mount/%s",
- priv->workdir, cli_req.volname, cli_req.volname,
- priv->workdir, cli_req.volname);
- ret = system (cmd_str);
+ switch (cli_req.cmd) {
+ case GF_DEFRAG_CMD_START:
+ {
+ if (volinfo->defrag) {
+ gf_log ("glusterd", GF_LOG_DEBUG,
+ "defrag on volume %s already started",
+ cli_req.volname);
+ goto out;
+ }
- if (ret) {
- gf_log("glusterd", GF_LOG_DEBUG, "command: %s failed", cmd_str);
- goto out;
- }
+ volinfo->defrag = GF_CALLOC (1, sizeof (glusterd_defrag_info_t),
+ gf_gld_mt_defrag_info);
+ if (!volinfo->defrag)
+ goto out;
+
+ defrag = volinfo->defrag;
+
+ LOCK_INIT (&defrag->lock);
+ snprintf (defrag->mount, 1024, "%s/mount/%s",
+ priv->workdir, cli_req.volname);
+ /* Create a directory, mount glusterfs over it, start glusterfs-defrag */
+ snprintf (cmd_str, 4096, "mkdir -p %s", defrag->mount);
+ ret = system (cmd_str);
+
+ if (ret) {
+ gf_log("glusterd", GF_LOG_DEBUG, "command: %s failed", cmd_str);
+ goto out;
+ }
- snprintf (cmd_str, 4096, "glusterfs-defrag %s/mount/%s",
- priv->workdir, cli_req.volname);
- ret = system (cmd_str);
+ snprintf (cmd_str, 4096, "glusterfs -f %s/vols/%s/%s-tcp.vol "
+ "--xlator-option dht0.unhashed-sticky-bit=yes "
+ "--xlator-option dht0.lookup-unhashed=yes "
+ "--volume-name quickread %s",
+ priv->workdir, cli_req.volname, cli_req.volname,
+ defrag->mount);
+ ret = system (cmd_str);
- if (ret)
- gf_log("glusterd", GF_LOG_DEBUG, "command: %s failed",cmd_str);
+ if (ret) {
+ gf_log("glusterd", GF_LOG_DEBUG, "command: %s failed", cmd_str);
+ goto out;
+ }
+ rsp.op_ret = 0;
+ ret = pthread_create (&defrag->th, NULL, glusterd_defrag_start,
+ volinfo);
+ if (ret) {
+ snprintf (cmd_str, 1024, "umount -l %s", defrag->mount);
+ ret = system (cmd_str);
+ rsp.op_ret = -1;
+ }
+ break;
+ }
+ case GF_DEFRAG_CMD_STOP:
+ ret = glusterd_defrag_stop (volinfo, &rsp);
+ break;
+ case GF_DEFRAG_CMD_STATUS:
+ ret = glusterd_defrag_status_get (volinfo, &rsp);
+ break;
+ default:
+ break;
+ }
+ if (ret)
+ gf_log("glusterd", GF_LOG_DEBUG, "command: %s failed",cmd_str);
out:
+
+ ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
+ gf_xdr_serialize_cli_defrag_vol_rsp);
+
return ret;
}
diff --git a/xlators/mgmt/glusterd/src/glusterd-mem-types.h b/xlators/mgmt/glusterd/src/glusterd-mem-types.h
index 8df94163d61..a5d7c4f27f2 100644
--- a/xlators/mgmt/glusterd/src/glusterd-mem-types.h
+++ b/xlators/mgmt/glusterd/src/glusterd-mem-types.h
@@ -54,6 +54,7 @@ enum gf_gld_mem_types_ {
gf_gld_mt_ifreq,
gf_gld_mt_store_handle_t,
gf_gld_mt_store_iter_t,
+ gf_gld_mt_defrag_info,
gf_gld_mt_end
};
#endif
diff --git a/xlators/mgmt/glusterd/src/glusterd.h b/xlators/mgmt/glusterd/src/glusterd.h
index 368c0a6847a..dce3275e73c 100644
--- a/xlators/mgmt/glusterd/src/glusterd.h
+++ b/xlators/mgmt/glusterd/src/glusterd.h
@@ -25,7 +25,10 @@
#include "config.h"
#endif
+#include <sys/types.h>
+#include <dirent.h>
#include <pthread.h>
+
#include "uuid.h"
#include "rpc-clnt.h"
@@ -84,6 +87,33 @@ struct glusterd_brickinfo {
typedef struct glusterd_brickinfo glusterd_brickinfo_t;
+struct gf_defrag_brickinfo_ {
+ char *name;
+ int files;
+ int size;
+};
+
+typedef enum gf_defrag_status_ {
+ GF_DEFRAG_STATUS_NOT_STARTED,
+ GF_DEFRAG_STATUS_STARTED,
+ GF_DEFRAG_STATUS_STOPED,
+ GF_DEFRAG_STATUS_COMPLETE,
+} gf_defrag_status_t;
+
+struct glusterd_defrag_info_ {
+ uint64_t total_files;
+ uint64_t total_data;
+ uint64_t num_files_lookedup;
+ gf_lock_t lock;
+ pthread_t th;
+ char mount[1024];
+ char databuf[131072];
+ struct gf_defrag_brickinfo_ *bricks; /* volinfo->brick_count */
+};
+
+
+typedef struct glusterd_defrag_info_ glusterd_defrag_info_t;
+
struct glusterd_volinfo_ {
char volname[GLUSTERD_MAX_VOLUME_NAME];
int type;
@@ -94,6 +124,13 @@ struct glusterd_volinfo_ {
int sub_count;
int port;
glusterd_store_handle_t *shandle;
+
+ /* Defrag/rebalance related */
+ gf_defrag_status_t defrag_status;
+ uint64_t rebalance_files;
+ uint64_t rebalance_data;
+ uint64_t lookedup_files;
+ glusterd_defrag_info_t *defrag;
};
typedef struct glusterd_volinfo_ glusterd_volinfo_t;
diff --git a/xlators/mgmt/glusterd/src/glusterd3_1-mops.c b/xlators/mgmt/glusterd/src/glusterd3_1-mops.c
index 86d09194e11..59933e8ac7d 100644
--- a/xlators/mgmt/glusterd/src/glusterd3_1-mops.c
+++ b/xlators/mgmt/glusterd/src/glusterd3_1-mops.c
@@ -1199,7 +1199,7 @@ rpcsvc_actor_t glusterd1_mgmt_actors[] = {
[GD_MGMT_COMMIT_OP] = { "COMMIT_OP", GD_MGMT_COMMIT_OP, glusterd_handle_rpc_msg, NULL, NULL},
[GD_MGMT_CLI_PROBE] = { "CLI_PROBE", GD_MGMT_CLI_PROBE, glusterd_handle_rpc_msg, NULL, NULL},
[GD_MGMT_CLI_CREATE_VOLUME] = { "CLI_CREATE_VOLUME", GD_MGMT_CLI_CREATE_VOLUME, glusterd_handle_rpc_msg, NULL,NULL},
- [GD_MGMT_CLI_DEFRAG_VOLUME] = { "CLI_DEFRAG_VOLUME", GD_MGMT_CLI_DEFRAG_VOLUME, glusterd_handle_rpc_msg, NULL,NULL},
+ [GD_MGMT_CLI_DEFRAG_VOLUME] = { "CLI_DEFRAG_VOLUME", GD_MGMT_CLI_DEFRAG_VOLUME, glusterd_handle_defrag_volume, NULL,NULL},
[GD_MGMT_CLI_DEPROBE] = { "FRIEND_REMOVE", GD_MGMT_CLI_DEPROBE, glusterd_handle_rpc_msg, NULL, NULL},
[GD_MGMT_CLI_LIST_FRIENDS] = { "LIST_FRIENDS", GD_MGMT_CLI_LIST_FRIENDS, glusterd_handle_rpc_msg, NULL, NULL},
[GD_MGMT_CLI_START_VOLUME] = { "START_VOLUME", GD_MGMT_CLI_START_VOLUME, glusterd_handle_rpc_msg, NULL, NULL},
generated by cgit (git 2.34.1) at 2024-11-20 09:36:27 +0000