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-rw-r--r--xlators/mgmt/glusterd/src/glusterd-quota.c1436
1 files changed, 1028 insertions, 408 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-quota.c b/xlators/mgmt/glusterd/src/glusterd-quota.c
index e049982a2..7f798ad26 100644
--- a/xlators/mgmt/glusterd/src/glusterd-quota.c
+++ b/xlators/mgmt/glusterd/src/glusterd-quota.c
@@ -21,25 +21,51 @@
#include "glusterd-utils.h"
#include "glusterd-volgen.h"
#include "run.h"
+#include "syscall.h"
+#include "byte-order.h"
+#include "compat-errno.h"
#include <sys/wait.h>
+#include <dlfcn.h>
+
+/* Any negative pid to make it special client */
+#define QUOTA_CRAWL_PID "-100"
+
+const char *gd_quota_op_list[GF_QUOTA_OPTION_TYPE_DEFAULT_SOFT_LIMIT+1] = {
+ [GF_QUOTA_OPTION_TYPE_NONE] = "none",
+ [GF_QUOTA_OPTION_TYPE_ENABLE] = "enable",
+ [GF_QUOTA_OPTION_TYPE_DISABLE] = "disable",
+ [GF_QUOTA_OPTION_TYPE_LIMIT_USAGE] = "limit-usage",
+ [GF_QUOTA_OPTION_TYPE_REMOVE] = "remove",
+ [GF_QUOTA_OPTION_TYPE_LIST] = "list",
+ [GF_QUOTA_OPTION_TYPE_VERSION] = "version",
+ [GF_QUOTA_OPTION_TYPE_ALERT_TIME] = "alert-time",
+ [GF_QUOTA_OPTION_TYPE_SOFT_TIMEOUT] = "soft-timeout",
+ [GF_QUOTA_OPTION_TYPE_HARD_TIMEOUT] = "hard-timeout",
+ [GF_QUOTA_OPTION_TYPE_DEFAULT_SOFT_LIMIT] = "default-soft-limit",
+};
int
-glusterd_handle_quota (rpcsvc_request_t *req)
+glusterd_store_quota_config (glusterd_volinfo_t *volinfo, char *path,
+ char *gfid_str, int opcode, char **op_errstr);
+int
+__glusterd_handle_quota (rpcsvc_request_t *req)
{
int32_t ret = -1;
gf_cli_req cli_req = {{0,}};
dict_t *dict = NULL;
glusterd_op_t cli_op = GD_OP_QUOTA;
- char operation[256] = {0, };
char *volname = NULL;
int32_t type = 0;
char msg[2048] = {0,};
xlator_t *this = NULL;
+ glusterd_conf_t *conf = NULL;
GF_ASSERT (req);
this = THIS;
GF_ASSERT (this);
+ conf = this->private;
+ GF_ASSERT (conf);
ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req);
if (ret < 0) {
@@ -82,23 +108,16 @@ glusterd_handle_quota (rpcsvc_request_t *req)
goto out;
}
- switch (type) {
- case GF_QUOTA_OPTION_TYPE_ENABLE:
- strncpy (operation, "enable", sizeof (operation));
- break;
-
- case GF_QUOTA_OPTION_TYPE_DISABLE:
- strncpy (operation, "disable", sizeof (operation));
- break;
-
- case GF_QUOTA_OPTION_TYPE_LIMIT_USAGE:
- strncpy (operation, "limit-usage", sizeof (operation));
- break;
+ if ((conf->op_version == GD_OP_VERSION_MIN) &&
+ (type > GF_QUOTA_OPTION_TYPE_VERSION)) {
+ snprintf (msg, sizeof (msg), "Cannot execute command. The "
+ "cluster is operating at version %d. Quota command %s "
+ "is unavailable in this version", conf->op_version,
+ gd_quota_op_list[type]);
+ ret = -1;
+ goto out;
+ }
- case GF_QUOTA_OPTION_TYPE_REMOVE:
- strncpy (operation, "remove", sizeof (operation));
- break;
- }
ret = glusterd_op_begin_synctask (req, GD_OP_QUOTA, dict);
out:
@@ -112,6 +131,12 @@ out:
return ret;
}
+int
+glusterd_handle_quota (rpcsvc_request_t *req)
+{
+ return glusterd_big_locked_handler (req, __glusterd_handle_quota);
+}
+
int32_t
glusterd_check_if_quota_trans_enabled (glusterd_volinfo_t *volinfo)
{
@@ -126,7 +151,6 @@ glusterd_check_if_quota_trans_enabled (glusterd_volinfo_t *volinfo)
}
if (flag == _gf_false) {
- gf_log ("", GF_LOG_ERROR, "first enable the quota translator");
ret = -1;
goto out;
}
@@ -135,107 +159,9 @@ out:
return ret;
}
-/* At the end of the function, the variable found will be set
- * to true if the path to be removed was present in the limit-list,
- * else will be false.
- */
int32_t
-_glusterd_quota_remove_limits (char **quota_limits, char *path,
- gf_boolean_t *found)
-{
- int ret = 0;
- int i = 0;
- int size = 0;
- int len = 0;
- int pathlen = 0;
- int skiplen = 0;
- int flag = 0;
- char *limits = NULL;
- char *qlimits = NULL;
-
- if (found != NULL)
- *found = _gf_false;
-
- if (*quota_limits == NULL)
- return -1;
-
- qlimits = *quota_limits;
-
- pathlen = strlen (path);
-
- len = strlen (qlimits);
-
- limits = GF_CALLOC (len + 1, sizeof (char), gf_gld_mt_char);
- if (!limits)
- return -1;
-
- while (i < len) {
- if (!memcmp ((void *) &qlimits [i], (void *)path, pathlen))
- if (qlimits [i + pathlen] == ':') {
- flag = 1;
- if (found != NULL)
- *found = _gf_true;
- }
-
- while (qlimits [i + size] != ',' &&
- qlimits [i + size] != '\0')
- size++;
-
- if (!flag) {
- memcpy ((void *) &limits [i], (void *) &qlimits [i], size + 1);
- } else {
- skiplen = size + 1;
- size = len - i - size;
- memcpy ((void *) &limits [i], (void *) &qlimits [i + skiplen], size);
- break;
- }
-
- i += size + 1;
- size = 0;
- }
-
- if (!flag) {
- ret = 1;
- } else {
- len = strlen (limits);
-
- if (len == 0) {
- GF_FREE (qlimits);
-
- *quota_limits = NULL;
-
- goto out;
- }
-
- if (limits[len - 1] == ',') {
- limits[len - 1] = '\0';
- len --;
- }
-
- GF_FREE (qlimits);
-
- qlimits = GF_CALLOC (len + 1, sizeof (char), gf_gld_mt_char);
-
- if (!qlimits) {
- ret = -1;
- goto out;
- }
-
- memcpy ((void *) qlimits, (void *) limits, len + 1);
-
- *quota_limits = qlimits;
-
- ret = 0;
- }
-
-out:
- GF_FREE (limits);
-
- return ret;
-}
-
-int32_t
-glusterd_quota_initiate_fs_crawl (glusterd_conf_t *priv, char *volname)
+glusterd_quota_initiate_fs_crawl (glusterd_conf_t *priv, char *volname,
+ int type)
{
pid_t pid;
int32_t ret = 0;
@@ -254,10 +180,14 @@ glusterd_quota_initiate_fs_crawl (glusterd_conf_t *priv, char *volname)
runner_add_args (&runner, SBIN_DIR"/glusterfs",
"-s", "localhost",
"--volfile-id", volname,
+ "--use-readdirp=no",
+ "--client-pid", QUOTA_CRAWL_PID,
"-l", DEFAULT_LOG_FILE_DIRECTORY"/quota-crawl.log",
mountdir, NULL);
+ synclock_unlock (&priv->big_lock);
ret = runner_run_reuse (&runner);
+ synclock_lock (&priv->big_lock);
if (ret == -1) {
runner_log (&runner, "glusterd", GF_LOG_DEBUG, "command failed");
runner_end (&runner);
@@ -284,7 +214,19 @@ glusterd_quota_initiate_fs_crawl (glusterd_conf_t *priv, char *volname)
exit (EXIT_FAILURE);
}
runinit (&runner);
- runner_add_args (&runner, "/usr/bin/find", "find", ".", NULL);
+
+ if (type == GF_QUOTA_OPTION_TYPE_ENABLE)
+
+ runner_add_args (&runner, "/usr/bin/find", "find", ".",
+ NULL);
+
+ else if (type == GF_QUOTA_OPTION_TYPE_DISABLE)
+
+ runner_add_args (&runner, "/usr/bin/find", ".",
+ "-exec", "/usr/bin/setfattr", "-n",
+ VIRTUAL_QUOTA_XATTR_CLEANUP_KEY, "-v",
+ "1", "{}", "\\", ";", NULL);
+
if (runner_start (&runner) == -1)
_exit (EXIT_FAILURE);
@@ -304,114 +246,39 @@ out:
return ret;
}
-char *
-glusterd_quota_get_limit_value (char *quota_limits, char *path)
-{
- int32_t i, j, k, l, len;
- int32_t pat_len, diff;
- char *ret_str = NULL;
-
- len = strlen (quota_limits);
- pat_len = strlen (path);
- i = 0;
- j = 0;
-
- while (i < len) {
- j = i;
- k = 0;
- while (path [k] == quota_limits [j]) {
- j++;
- k++;
- }
-
- l = j;
-
- while (quota_limits [j] != ',' &&
- quota_limits [j] != '\0')
- j++;
-
- if (quota_limits [l] == ':' && pat_len == (l - i)) {
- diff = j - i;
- ret_str = GF_CALLOC (diff + 1, sizeof (char),
- gf_gld_mt_char);
-
- strncpy (ret_str, &quota_limits [i], diff);
-
- break;
- }
- i = ++j; //skip ','
- }
-
- return ret_str;
-}
-
-char*
-_glusterd_quota_get_limit_usages (glusterd_volinfo_t *volinfo,
- char *path, char **op_errstr)
-{
- int32_t ret = 0;
- char *quota_limits = NULL;
- char *ret_str = NULL;
-
- if (volinfo == NULL)
- return NULL;
-
- ret = glusterd_volinfo_get (volinfo, VKEY_FEATURES_LIMIT_USAGE,
- &quota_limits);
- if (ret)
- return NULL;
- if (quota_limits == NULL) {
- ret_str = NULL;
- *op_errstr = gf_strdup ("Limit not set on any directory");
- } else if (path == NULL)
- ret_str = gf_strdup (quota_limits);
- else
- ret_str = glusterd_quota_get_limit_value (quota_limits, path);
-
- return ret_str;
-}
-
int32_t
-glusterd_quota_get_limit_usages (glusterd_conf_t *priv,
- glusterd_volinfo_t *volinfo,
- char *volname,
- dict_t *dict,
- char **op_errstr,
- dict_t *rsp_dict)
+glusterd_quota_get_default_soft_limit (glusterd_volinfo_t *volinfo,
+ dict_t *rsp_dict)
{
- int32_t i = 0;
- int32_t ret = 0;
- int32_t count = 0;
- char *path = NULL;
- char cmd_str [1024] = {0, };
- char *ret_str = NULL;
+ int32_t ret = 0;
+ xlator_t *this = NULL;
+ glusterd_conf_t *conf = NULL;
+ char *default_limit = NULL;
+ char *val = NULL;
if (rsp_dict == NULL)
- return 0;
-
- ret = dict_get_int32 (dict, "count", &count);
- if (ret < 0)
- goto out;
+ return -1;
- if (count == 0) {
- ret_str = _glusterd_quota_get_limit_usages (volinfo, NULL,
- op_errstr);
- } else {
- i = 0;
- while (count--) {
- snprintf (cmd_str, 1024, "path%d", i++);
+ this = THIS;
+ GF_ASSERT (this);
+ conf = this->private;
+ GF_ASSERT (conf);
- ret = dict_get_str (dict, cmd_str, &path);
- if (ret < 0)
- goto out;
+ ret = glusterd_volinfo_get (volinfo, "features.default-soft-limit",
+ &default_limit);
+ if (default_limit)
+ val = gf_strdup (default_limit);
+ else
+ val = gf_strdup ("80%");
- ret_str = _glusterd_quota_get_limit_usages (volinfo, path, op_errstr);
- }
+ ret = dict_set_dynstr (rsp_dict, "default-soft-limit", val);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to set default "
+ "soft-limit into dict");
+ goto out;
}
+ ret = 0;
- if (ret_str) {
- ret = dict_set_dynstr (rsp_dict, "limit_list", ret_str);
- }
out:
return ret;
}
@@ -422,54 +289,79 @@ glusterd_quota_enable (glusterd_volinfo_t *volinfo, char **op_errstr,
{
int32_t ret = -1;
char *quota_status = NULL;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
- GF_VALIDATE_OR_GOTO ("glusterd", volinfo, out);
- GF_VALIDATE_OR_GOTO ("glusterd", crawl, out);
- GF_VALIDATE_OR_GOTO ("glusterd", op_errstr, out);
+ GF_VALIDATE_OR_GOTO (this->name, volinfo, out);
+ GF_VALIDATE_OR_GOTO (this->name, crawl, out);
+ GF_VALIDATE_OR_GOTO (this->name, op_errstr, out);
if (glusterd_is_volume_started (volinfo) == 0) {
*op_errstr = gf_strdup ("Volume is stopped, start volume "
"to enable quota.");
+ ret = -1;
goto out;
}
ret = glusterd_check_if_quota_trans_enabled (volinfo);
if (ret == 0) {
*op_errstr = gf_strdup ("Quota is already enabled");
+ ret = -1;
goto out;
}
quota_status = gf_strdup ("on");
if (!quota_status) {
- gf_log ("", GF_LOG_ERROR, "memory allocation failed");
- *op_errstr = gf_strdup ("Enabling quota has been unsuccessful");
+ gf_log (this->name, GF_LOG_ERROR, "memory allocation failed");
+ ret = -1;
goto out;
}
- ret = dict_set_dynstr (volinfo->dict, VKEY_FEATURES_QUOTA, quota_status);
+ ret = dict_set_dynstr (volinfo->dict, VKEY_FEATURES_QUOTA,
+ quota_status);
if (ret) {
- gf_log ("", GF_LOG_ERROR, "dict set failed");
- *op_errstr = gf_strdup ("Enabling quota has been unsuccessful");
+ gf_log (this->name, GF_LOG_ERROR, "dict set failed");
goto out;
}
- *op_errstr = gf_strdup ("Enabling quota has been successful");
-
*crawl = _gf_true;
+ ret = glusterd_store_quota_config (volinfo, NULL, NULL,
+ GF_QUOTA_OPTION_TYPE_ENABLE,
+ op_errstr);
+
ret = 0;
out:
+ if (ret && op_errstr && !*op_errstr)
+ gf_asprintf (op_errstr, "Enabling quota on volume %s has been "
+ "unsuccessful", volinfo->volname);
return ret;
}
int32_t
-glusterd_quota_disable (glusterd_volinfo_t *volinfo, char **op_errstr)
+glusterd_quota_disable (glusterd_volinfo_t *volinfo, char **op_errstr,
+ gf_boolean_t *crawl)
{
- int32_t ret = -1;
- char *quota_status = NULL, *quota_limits = NULL;
+ int32_t ret = -1;
+ int i = 0;
+ char *quota_status = NULL;
+ char *value = NULL;
+ xlator_t *this = NULL;
+ glusterd_conf_t *conf = NULL;
+ char *quota_options[] = {"features.soft-timeout",
+ "features.hard-timeout",
+ "features.alert-time",
+ "features.default-soft-limit", NULL};
+
+ this = THIS;
+ GF_ASSERT (this);
+ conf = this->private;
+ GF_ASSERT (conf);
- GF_VALIDATE_OR_GOTO ("glusterd", volinfo, out);
- GF_VALIDATE_OR_GOTO ("glusterd", op_errstr, out);
+ GF_VALIDATE_OR_GOTO (this->name, volinfo, out);
+ GF_VALIDATE_OR_GOTO (this->name, op_errstr, out);
ret = glusterd_check_if_quota_trans_enabled (volinfo);
if (ret == -1) {
@@ -479,190 +371,637 @@ glusterd_quota_disable (glusterd_volinfo_t *volinfo, char **op_errstr)
quota_status = gf_strdup ("off");
if (!quota_status) {
- gf_log ("", GF_LOG_ERROR, "memory allocation failed");
- *op_errstr = gf_strdup ("Disabling quota has been unsuccessful");
+ gf_log (this->name, GF_LOG_ERROR, "memory allocation failed");
+ ret = -1;
goto out;
}
ret = dict_set_dynstr (volinfo->dict, VKEY_FEATURES_QUOTA, quota_status);
if (ret) {
- gf_log ("", GF_LOG_ERROR, "dict set failed");
- *op_errstr = gf_strdup ("Disabling quota has been unsuccessful");
+ gf_log (this->name, GF_LOG_ERROR, "dict set failed");
goto out;
}
- *op_errstr = gf_strdup ("Disabling quota has been successful");
+ for (i = 0; quota_options [i]; i++) {
+ ret = glusterd_volinfo_get (volinfo, quota_options[i], &value);
+ if (ret) {
+ gf_log (this->name, GF_LOG_INFO, "failed to get option"
+ " %s",
+ quota_options[i]);
+ } else {
+ dict_del (volinfo->dict, quota_options[i]);
+ }
+ }
+
+ //Remove aux mount of the volume on every node in the cluster
+ ret = glusterd_remove_auxiliary_mount (volinfo->volname);
+ if (ret)
+ goto out;
+
+ *crawl = _gf_true;
- ret = glusterd_volinfo_get (volinfo, VKEY_FEATURES_LIMIT_USAGE,
- &quota_limits);
+ (void) glusterd_clean_up_quota_store (volinfo);
+
+ ret = 0;
+out:
+ if (ret && op_errstr && !*op_errstr)
+ gf_asprintf (op_errstr, "Disabling quota on volume %s has been "
+ "unsuccessful", volinfo->volname);
+ return ret;
+}
+
+
+static int
+glusterd_set_quota_limit (char *volname, char *path, char *hard_limit,
+ char *soft_limit, char **op_errstr)
+{
+ int ret = -1;
+ xlator_t *this = NULL;
+ char abspath[PATH_MAX] = {0,};
+ glusterd_conf_t *priv = NULL;
+ double soft_lim = 0;
+
+ typedef struct quota_limits {
+ int64_t hl;
+ int64_t sl;
+ } __attribute__ ((__packed__)) quota_limits_t;
+
+ quota_limits_t existing_limit = {0,};
+ quota_limits_t new_limit = {0,};
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ GLUSTERD_GET_QUOTA_AUX_MOUNT_PATH (abspath, volname, path);
+ ret = gf_lstat_dir (abspath, NULL);
if (ret) {
- gf_log ("", GF_LOG_WARNING, "failed to get the quota limits");
+ gf_asprintf (op_errstr, "Failed to find the directory %s. "
+ "Reason : %s", abspath, strerror (errno));
+ goto out;
+ }
+
+ if (!soft_limit) {
+ ret = sys_lgetxattr (abspath,
+ "trusted.glusterfs.quota.limit-set",
+ (void *)&existing_limit,
+ sizeof (existing_limit));
+ if (ret < 0) {
+ switch (errno) {
+ case ENOATTR:
+ existing_limit.sl = -1;
+ break;
+ default:
+ gf_asprintf (op_errstr, "Failed to get the xattr "
+ "'trusted.glusterfs.quota.limit-set' from "
+ "%s. Reason : %s", abspath,
+ strerror (errno));
+ goto out;
+ }
+ } else {
+ existing_limit.hl = ntoh64 (existing_limit.hl);
+ existing_limit.sl = ntoh64 (existing_limit.sl);
+ }
+ new_limit.sl = existing_limit.sl;
+
} else {
- GF_FREE (quota_limits);
+ ret = gf_string2percent (soft_limit, &soft_lim);
+ if (ret)
+ goto out;
+ new_limit.sl = soft_lim;
}
- dict_del (volinfo->dict, VKEY_FEATURES_LIMIT_USAGE);
+ new_limit.sl = hton64 (new_limit.sl);
+
+ ret = gf_string2bytesize_uint64 (hard_limit, (uint64_t*)&new_limit.hl);
+ if (ret)
+ goto out;
+
+ new_limit.hl = hton64 (new_limit.hl);
+
+ ret = sys_lsetxattr (abspath, "trusted.glusterfs.quota.limit-set",
+ (char *)(void *)&new_limit, sizeof (new_limit), 0);
+ if (ret) {
+ gf_asprintf (op_errstr, "setxattr of "
+ "'trusted.glusterfs.quota.limit-set' failed on %s."
+ " Reason : %s", abspath, strerror (errno));
+ goto out;
+ }
+ ret = 0;
out:
return ret;
}
-int32_t
-glusterd_quota_limit_usage (glusterd_volinfo_t *volinfo, dict_t *dict, char **op_errstr)
+static int
+glusterd_update_quota_conf_version (glusterd_volinfo_t *volinfo)
{
- int32_t ret = -1;
- char *path = NULL;
- char *limit = NULL;
- char *value = NULL;
- char msg [1024] = {0,};
- char *quota_limits = NULL;
+ volinfo->quota_conf_version++;
+ return 0;
+}
- GF_VALIDATE_OR_GOTO ("glusterd", dict, out);
- GF_VALIDATE_OR_GOTO ("glusterd", volinfo, out);
- GF_VALIDATE_OR_GOTO ("glusterd", op_errstr, out);
+/*The function glusterd_find_gfid_match () does the following:
+ * Given a buffer of gfids, the number of bytes read and the key gfid that needs
+ * to be found, the function compares 16 bytes at a time from @buf against
+ * @gfid.
+ *
+ * What happens when the match is found:
+ * i. If the function was called as part of 'limit-usage' operation, the call
+ * returns with write_byte_count = bytes_read
+ *ii. If the function as called as part of 'quota remove' operation, @buf
+ * is modified in memory such that the match is deleted from the buffer, and
+ * also @write_byte_count is set to original buf size minus the sixteen bytes
+ * that was deleted as part of 'remove'.
+ *
+ * What happens when the match is not found in the current buffer:
+ * The function returns with write_byte_count = bytes_read, which means to say
+ * that the caller of this function must write the entire buffer to the tmp file
+ * and continue the search.
+ */
+static gf_boolean_t
+glusterd_find_gfid_match (uuid_t gfid, unsigned char *buf, size_t bytes_read,
+ int opcode, size_t *write_byte_count)
+{
+ int gfid_index = 0;
+ int shift_count = 0;
+ unsigned char tmp_buf[17] = {0,};
+
+ while (gfid_index != bytes_read) {
+ memcpy ((void *)tmp_buf, (void *)&buf[gfid_index], 16);
+ if (!uuid_compare (gfid, tmp_buf)) {
+ if (opcode == GF_QUOTA_OPTION_TYPE_REMOVE) {
+ shift_count = bytes_read - (gfid_index + 16);
+ memmove ((void *)&buf[gfid_index],
+ (void *)&buf[gfid_index+16],
+ shift_count);
+ *write_byte_count = bytes_read - 16;
+ } else {
+ *write_byte_count = bytes_read;
+ }
+ return _gf_true;
+ } else {
+ gfid_index+=16;
+ }
+ }
+ if (gfid_index == bytes_read)
+ *write_byte_count = bytes_read;
- ret = glusterd_check_if_quota_trans_enabled (volinfo);
- if (ret == -1) {
- *op_errstr = gf_strdup ("Quota is disabled, please enable "
- "quota");
+ return _gf_false;
+}
+
+/* The function glusterd_copy_to_tmp_file() reads the "remaining" bytes from
+ * the source fd and writes them to destination fd, at the rate of 128K bytes
+ * of read+write at a time.
+ */
+
+static int
+glusterd_copy_to_tmp_file (int src_fd, int dst_fd)
+{
+ int ret = 0;
+ size_t entry_sz = 131072;
+ ssize_t bytes_read = 0;
+ unsigned char buf[131072] = {0,};
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+
+ while ((bytes_read = read (src_fd, (void *)&buf, entry_sz)) > 0) {
+ if (bytes_read % 16 != 0) {
+ gf_log (this->name, GF_LOG_ERROR, "quota.conf "
+ "corrupted");
+ ret = -1;
+ goto out;
+ }
+ ret = write (dst_fd, (void *) buf, bytes_read);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "write into quota.conf failed. Reason : %s",
+ strerror (errno));
+ goto out;
+ }
+ }
+ ret = 0;
+
+out:
+ return ret;
+}
+
+int
+glusterd_store_quota_config (glusterd_volinfo_t *volinfo, char *path,
+ char *gfid_str, int opcode, char **op_errstr)
+{
+ int ret = -1;
+ int fd = -1;
+ int conf_fd = -1;
+ size_t entry_sz = 131072;
+ ssize_t bytes_read = 0;
+ size_t bytes_to_write = 0;
+ unsigned char buf[131072] = {0,};
+ uuid_t gfid = {0,};
+ xlator_t *this = NULL;
+ gf_boolean_t found = _gf_false;
+ gf_boolean_t modified = _gf_false;
+ gf_boolean_t is_file_empty = _gf_false;
+ gf_boolean_t is_first_read = _gf_true;
+ glusterd_conf_t *conf = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ conf = this->private;
+ GF_ASSERT (conf);
+
+ glusterd_store_create_quota_conf_sh_on_absence (volinfo);
+
+ fd = gf_store_mkstemp (volinfo->quota_conf_shandle);
+ if (fd < 0) {
+ ret = -1;
goto out;
}
- ret = glusterd_volinfo_get (volinfo, VKEY_FEATURES_LIMIT_USAGE,
- &quota_limits);
- if (ret) {
- gf_log ("", GF_LOG_ERROR, "failed to get the quota limits");
- *op_errstr = gf_strdup ("failed to set limit");
+ conf_fd = open (volinfo->quota_conf_shandle->path, O_RDONLY);
+ if (conf_fd == -1) {
+ ret = -1;
goto out;
}
- ret = dict_get_str (dict, "path", &path);
+ ret = glusterd_store_quota_conf_skip_header (this, conf_fd);
if (ret) {
- gf_log ("", GF_LOG_ERROR, "Unable to fetch quota limits" );
- *op_errstr = gf_strdup ("failed to set limit");
goto out;
}
- ret = dict_get_str (dict, "limit", &limit);
+ ret = glusterd_store_quota_conf_stamp_header (this, fd);
if (ret) {
- gf_log ("", GF_LOG_ERROR, "Unable to fetch quota limits" );
- *op_errstr = gf_strdup ("failed to set limit");
+ gf_log (this->name, GF_LOG_ERROR, "Failed to add header to tmp "
+ "file.");
goto out;
}
- if (quota_limits) {
- ret = _glusterd_quota_remove_limits (&quota_limits, path, NULL);
- if (ret == -1) {
- gf_log ("", GF_LOG_ERROR, "Unable to allocate memory");
- *op_errstr = gf_strdup ("failed to set limit");
+ /* Just create empty quota.conf file if create */
+ if (GF_QUOTA_OPTION_TYPE_ENABLE == opcode) {
+ modified = _gf_true;
+ goto out;
+ }
+
+ /* Check if gfid_str is given for opts other than ENABLE */
+ if (!gfid_str) {
+ ret = -1;
+ goto out;
+ }
+ uuid_parse (gfid_str, gfid);
+
+ for (;;) {
+ bytes_read = read (conf_fd, (void*)&buf, entry_sz);
+ if (bytes_read <= 0) {
+ /*The flag @is_first_read is TRUE when the loop is
+ * entered, and is set to false if the first read
+ * reads non-zero bytes of data. The flag is used to
+ * detect if quota.conf is an empty file, but for the
+ * header. This is done to log appropriate error message
+ * when 'quota remove' is attempted when there are no
+ * limits set on the given volume.
+ */
+ if (is_first_read)
+ is_file_empty = _gf_true;
+ break;
+ }
+ if ((bytes_read % 16) != 0) {
+ gf_log (this->name, GF_LOG_ERROR, "quota.conf "
+ "corrupted");
+ ret = -1;
goto out;
}
- }
+ found = glusterd_find_gfid_match (gfid, buf, bytes_read, opcode,
+ &bytes_to_write);
- if (quota_limits == NULL) {
- ret = gf_asprintf (&value, "%s:%s", path, limit);
+ ret = write (fd, (void *) buf, bytes_to_write);
if (ret == -1) {
- gf_log ("", GF_LOG_ERROR, "Unable to allocate memory");
- *op_errstr = gf_strdup ("failed to set limit");
+ gf_log (this->name, GF_LOG_ERROR,
+ "write into quota.conf failed. Reason : %s",
+ strerror (errno));
goto out;
}
- } else {
- ret = gf_asprintf (&value, "%s,%s:%s",
- quota_limits, path, limit);
- if (ret == -1) {
- gf_log ("", GF_LOG_ERROR, "Unable to allocate memory");
- *op_errstr = gf_strdup ("failed to set limit");
+
+ /*If the match is found in this iteration, copy the rest of
+ * quota.conf into quota.conf.tmp and break.
+ * Else continue with the search.
+ */
+ if (found) {
+ ret = glusterd_copy_to_tmp_file (conf_fd, fd);
+ if (ret)
+ goto out;
+ break;
+ }
+ is_first_read = _gf_false;
+ }
+
+ switch (opcode) {
+ case GF_QUOTA_OPTION_TYPE_LIMIT_USAGE:
+ if (!found) {
+ ret = write (fd, gfid, 16);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "write into quota.conf failed. "
+ "Reason : %s",
+ strerror (errno));
+ goto out;
+ }
+ modified = _gf_true;
+ }
+ break;
+
+ case GF_QUOTA_OPTION_TYPE_REMOVE:
+ if (is_file_empty) {
+ gf_asprintf (op_errstr, "Cannot remove limit on"
+ " %s. The quota configuration file"
+ " for volume %s is empty.", path,
+ volinfo->volname);
+ ret = -1;
+ goto out;
+ } else {
+ if (!found) {
+ gf_asprintf (op_errstr, "Error. gfid %s"
+ " for path %s not found in"
+ " store", gfid_str, path);
+ ret = -1;
+ goto out;
+ } else {
+ modified = _gf_true;
+ }
+ }
+ break;
+
+ default:
+ ret = 0;
+ break;
+ }
+
+ if (modified)
+ glusterd_update_quota_conf_version (volinfo);
+
+ ret = 0;
+out:
+ if (conf_fd != -1) {
+ close (conf_fd);
+ }
+
+ if (fd != -1) {
+ close (fd);
+ }
+
+ if (ret && (fd > 0)) {
+ gf_store_unlink_tmppath (volinfo->quota_conf_shandle);
+ } else if (!ret) {
+ ret = gf_store_rename_tmppath (volinfo->quota_conf_shandle);
+ if (modified) {
+ ret = glusterd_compute_cksum (volinfo, _gf_true);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to "
+ "compute cksum for quota conf file");
+ goto out;
+ }
+
+ ret = glusterd_store_save_quota_version_and_cksum
+ (volinfo);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to "
+ "store quota version and cksum");
+ goto out;
+ }
+ }
+ }
+
+ return ret;
+}
+
+int32_t
+glusterd_quota_limit_usage (glusterd_volinfo_t *volinfo, dict_t *dict,
+ int opcode, char **op_errstr)
+{
+ int32_t ret = -1;
+ char *path = NULL;
+ char *hard_limit = NULL;
+ char *soft_limit = NULL;
+ char *gfid_str = NULL;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+
+ GF_VALIDATE_OR_GOTO (this->name, dict, out);
+ GF_VALIDATE_OR_GOTO (this->name, volinfo, out);
+ GF_VALIDATE_OR_GOTO (this->name, op_errstr, out);
+
+ ret = glusterd_check_if_quota_trans_enabled (volinfo);
+ if (ret == -1) {
+ *op_errstr = gf_strdup ("Quota is disabled, please enable "
+ "quota");
+ goto out;
+ }
+
+ ret = dict_get_str (dict, "path", &path);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Unable to fetch path");
+ goto out;
+ }
+ ret = gf_canonicalize_path (path);
+ if (ret)
+ goto out;
+
+ ret = dict_get_str (dict, "hard-limit", &hard_limit);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Unable to fetch hard limit");
+ goto out;
+ }
+
+ if (dict_get (dict, "soft-limit")) {
+ ret = dict_get_str (dict, "soft-limit", &soft_limit);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Unable to fetch "
+ "soft limit");
goto out;
}
+ }
+
+ if (is_origin_glusterd (dict)) {
+ ret = glusterd_set_quota_limit (volinfo->volname, path,
+ hard_limit, soft_limit,
+ op_errstr);
+ if (ret)
+ goto out;
+ }
- GF_FREE (quota_limits);
+ ret = dict_get_str (dict, "gfid", &gfid_str);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to get gfid of path "
+ "%s", path);
+ goto out;
}
- quota_limits = value;
+ ret = glusterd_store_quota_config (volinfo, path, gfid_str, opcode,
+ op_errstr);
+ if (ret)
+ goto out;
+
+ ret = 0;
+out:
- ret = dict_set_str (volinfo->dict, VKEY_FEATURES_LIMIT_USAGE,
- quota_limits);
+ if (ret && op_errstr && !*op_errstr)
+ gf_asprintf (op_errstr, "Failed to set hard limit on path %s "
+ "for volume %s", path, volinfo->volname);
+ return ret;
+}
+
+static int
+glusterd_remove_quota_limit (char *volname, char *path, char **op_errstr)
+{
+ int ret = -1;
+ xlator_t *this = NULL;
+ char abspath[PATH_MAX] = {0,};
+ glusterd_conf_t *priv = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ GLUSTERD_GET_QUOTA_AUX_MOUNT_PATH (abspath, volname, path);
+ ret = gf_lstat_dir (abspath, NULL);
if (ret) {
- gf_log ("", GF_LOG_ERROR, "Unable to set quota limits" );
- *op_errstr = gf_strdup ("failed to set limit");
+ gf_asprintf (op_errstr, "Failed to find the directory %s. "
+ "Reason : %s", abspath, strerror (errno));
goto out;
}
- snprintf (msg, 1024, "limit set on %s", path);
- *op_errstr = gf_strdup (msg);
+ ret = sys_lremovexattr (abspath, "trusted.glusterfs.quota.limit-set");
+ if (ret) {
+ gf_asprintf (op_errstr, "removexattr failed on %s. Reason : %s",
+ abspath, strerror (errno));
+ goto out;
+ }
ret = 0;
+
out:
return ret;
}
int32_t
-glusterd_quota_remove_limits (glusterd_volinfo_t *volinfo, dict_t *dict, char **op_errstr)
+glusterd_quota_remove_limits (glusterd_volinfo_t *volinfo, dict_t *dict,
+ int opcode, char **op_errstr)
{
int32_t ret = -1;
- char str [PATH_MAX + 1024] = {0,};
- char *quota_limits = NULL;
char *path = NULL;
- gf_boolean_t flag = _gf_false;
+ char *gfid_str = NULL;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
- GF_VALIDATE_OR_GOTO ("glusterd", dict, out);
- GF_VALIDATE_OR_GOTO ("glusterd", volinfo, out);
- GF_VALIDATE_OR_GOTO ("glusterd", op_errstr, out);
+ GF_VALIDATE_OR_GOTO (this->name, dict, out);
+ GF_VALIDATE_OR_GOTO (this->name, volinfo, out);
+ GF_VALIDATE_OR_GOTO (this->name, op_errstr, out);
ret = glusterd_check_if_quota_trans_enabled (volinfo);
if (ret == -1) {
- *op_errstr = gf_strdup ("Quota is disabled, please enable quota");
+ *op_errstr = gf_strdup ("Quota is disabled, please enable "
+ "quota");
goto out;
}
- ret = glusterd_volinfo_get (volinfo, VKEY_FEATURES_LIMIT_USAGE,
- &quota_limits);
+ ret = dict_get_str (dict, "path", &path);
if (ret) {
- gf_log ("", GF_LOG_ERROR, "failed to get the quota limits");
+ gf_log (this->name, GF_LOG_ERROR, "Unable to fetch path");
goto out;
}
- ret = dict_get_str (dict, "path", &path);
- if (ret) {
- gf_log ("", GF_LOG_ERROR, "Unable to fetch quota limits" );
+ ret = gf_canonicalize_path (path);
+ if (ret)
goto out;
+
+ if (is_origin_glusterd (dict)) {
+ ret = glusterd_remove_quota_limit (volinfo->volname, path,
+ op_errstr);
+ if (ret)
+ goto out;
}
- ret = _glusterd_quota_remove_limits (&quota_limits, path, &flag);
- if (ret == -1) {
- if (flag == _gf_true)
- snprintf (str, sizeof (str), "Removing limit on %s has "
- "been unsuccessful", path);
- else
- snprintf (str, sizeof (str), "%s has no limit set", path);
- *op_errstr = gf_strdup (str);
+ ret = dict_get_str (dict, "gfid", &gfid_str);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to get gfid of path "
+ "%s", path);
goto out;
- } else {
- if (flag == _gf_true)
- snprintf (str, sizeof (str), "Removed quota limit on "
- "%s", path);
- else
- snprintf (str, sizeof (str), "no limit set on %s",
- path);
- *op_errstr = gf_strdup (str);
- }
-
- if (quota_limits) {
- ret = dict_set_str (volinfo->dict, VKEY_FEATURES_LIMIT_USAGE,
- quota_limits);
- if (ret) {
- gf_log ("", GF_LOG_ERROR, "Unable to set quota limits" );
- goto out;
- }
- } else {
- dict_del (volinfo->dict, VKEY_FEATURES_LIMIT_USAGE);
}
+ ret = glusterd_store_quota_config (volinfo, path, gfid_str, opcode,
+ op_errstr);
+ if (ret)
+ goto out;
+
+
ret = 0;
out:
return ret;
}
+int
+glusterd_set_quota_option (glusterd_volinfo_t *volinfo, dict_t *dict,
+ char *key, char **op_errstr)
+{
+ int ret = 0;
+ char *value = NULL;
+ xlator_t *this = NULL;
+ char *option = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+
+ ret = glusterd_check_if_quota_trans_enabled (volinfo);
+ if (ret == -1) {
+ gf_asprintf (op_errstr, "Cannot set %s. Quota on volume %s is "
+ "disabled", key, volinfo->volname);
+ return -1;
+ }
+
+ ret = dict_get_str (dict, "value", &value);
+ if(ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Option value absent.");
+ return -1;
+ }
+
+ option = gf_strdup (value);
+ ret = dict_set_dynstr (volinfo->dict, key, option);
+ if(ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to set option %s",
+ key);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+glusterd_quotad_op (int opcode)
+{
+ int ret = -1;
+
+ switch (opcode) {
+ case GF_QUOTA_OPTION_TYPE_ENABLE:
+ case GF_QUOTA_OPTION_TYPE_DISABLE:
+
+ if (glusterd_all_volumes_with_quota_stopped ())
+ ret = glusterd_quotad_stop ();
+ else
+ ret = glusterd_check_generate_start_quotad ();
+ break;
+
+ default:
+ ret = 0;
+ break;
+ }
+ return ret;
+}
int
glusterd_op_quota (dict_t *dict, char **op_errstr, dict_t *rsp_dict)
@@ -673,76 +1012,127 @@ glusterd_op_quota (dict_t *dict, char **op_errstr, dict_t *rsp_dict)
int type = -1;
gf_boolean_t start_crawl = _gf_false;
glusterd_conf_t *priv = NULL;
+ xlator_t *this = NULL;
GF_ASSERT (dict);
GF_ASSERT (op_errstr);
- priv = THIS->private;
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
ret = dict_get_str (dict, "volname", &volname);
if (ret) {
- gf_log ("", GF_LOG_ERROR, "Unable to get volume name " );
+ gf_log (this->name, 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");
+ gf_asprintf (op_errstr, FMTSTR_CHECK_VOL_EXISTS, volname);
goto out;
}
ret = dict_get_int32 (dict, "type", &type);
- if (type == GF_QUOTA_OPTION_TYPE_ENABLE) {
- ret = glusterd_quota_enable (volinfo, op_errstr, &start_crawl);
- if (ret < 0)
- goto out;
-
- goto create_vol;
+ if ((priv->op_version == GD_OP_VERSION_MIN) &&
+ (type > GF_QUOTA_OPTION_TYPE_VERSION)) {
+ gf_asprintf (op_errstr, "Volume quota failed. The cluster is "
+ "operating at version %d. Quota command"
+ " %s is unavailable in this version.",
+ priv->op_version,
+ gd_quota_op_list[type]);
+ ret = -1;
+ goto out;
}
- if (type == GF_QUOTA_OPTION_TYPE_DISABLE) {
- ret = glusterd_quota_disable (volinfo, op_errstr);
- if (ret < 0)
- goto out;
+ switch (type) {
+ case GF_QUOTA_OPTION_TYPE_ENABLE:
+ ret = glusterd_quota_enable (volinfo, op_errstr,
+ &start_crawl);
+ if (ret < 0)
+ goto out;
+ break;
- goto create_vol;
- }
+ case GF_QUOTA_OPTION_TYPE_DISABLE:
+ ret = glusterd_quota_disable (volinfo, op_errstr,
+ &start_crawl);
+ if (ret < 0)
+ goto out;
+
+ break;
- if (type == GF_QUOTA_OPTION_TYPE_LIMIT_USAGE) {
- ret = glusterd_quota_limit_usage (volinfo, dict, op_errstr);
- if (ret < 0)
+ case GF_QUOTA_OPTION_TYPE_LIMIT_USAGE:
+ ret = glusterd_quota_limit_usage (volinfo, dict, type,
+ op_errstr);
goto out;
- goto create_vol;
- }
+ case GF_QUOTA_OPTION_TYPE_REMOVE:
+ ret = glusterd_quota_remove_limits (volinfo, dict, type,
+ op_errstr);
+ goto out;
- if (type == GF_QUOTA_OPTION_TYPE_REMOVE) {
- ret = glusterd_quota_remove_limits (volinfo, dict, op_errstr);
- if (ret < 0)
+ case GF_QUOTA_OPTION_TYPE_LIST:
+ ret = glusterd_check_if_quota_trans_enabled (volinfo);
+ if (ret == -1) {
+ *op_errstr = gf_strdup ("Cannot list limits, "
+ "quota is disabled");
+ goto out;
+ }
+ ret = glusterd_quota_get_default_soft_limit (volinfo,
+ rsp_dict);
goto out;
- goto create_vol;
- }
+ case GF_QUOTA_OPTION_TYPE_SOFT_TIMEOUT:
+ ret = glusterd_set_quota_option (volinfo, dict,
+ "features.soft-timeout",
+ op_errstr);
+ if (ret)
+ goto out;
+ break;
- if (type == GF_QUOTA_OPTION_TYPE_LIST) {
- ret = glusterd_check_if_quota_trans_enabled (volinfo);
- if (ret == -1) {
- *op_errstr = gf_strdup ("cannot list the limits, "
- "quota is disabled");
- goto out;
- }
+ case GF_QUOTA_OPTION_TYPE_HARD_TIMEOUT:
+ ret = glusterd_set_quota_option (volinfo, dict,
+ "features.hard-timeout",
+ op_errstr);
+ if (ret)
+ goto out;
+ break;
+
+ case GF_QUOTA_OPTION_TYPE_ALERT_TIME:
+ ret = glusterd_set_quota_option (volinfo, dict,
+ "features.alert-time",
+ op_errstr);
+ if (ret)
+ goto out;
+ break;
- ret = glusterd_quota_get_limit_usages (priv, volinfo, volname,
- dict, op_errstr, rsp_dict);
+ case GF_QUOTA_OPTION_TYPE_DEFAULT_SOFT_LIMIT:
+ ret = glusterd_set_quota_option (volinfo, dict,
+ "features.default-soft-limit",
+ op_errstr);
+ if (ret)
+ goto out;
+ break;
- goto out;
+ default:
+ gf_asprintf (op_errstr, "Quota command failed. Invalid "
+ "opcode");
+ ret = -1;
+ goto out;
+ }
+
+ if (priv->op_version > GD_OP_VERSION_MIN) {
+ ret = glusterd_quotad_op (type);
+ if (ret)
+ goto out;
}
-create_vol:
+
ret = glusterd_create_volfiles_and_notify_services (volinfo);
if (ret) {
- gf_log ("", GF_LOG_ERROR, "Unable to re-create volfile for"
- " 'quota'");
+ gf_log (this->name, GF_LOG_ERROR, "Unable to re-create "
+ "volfiles");
ret = -1;
goto out;
}
@@ -751,81 +1141,311 @@ create_vol:
if (ret)
goto out;
- if (GLUSTERD_STATUS_STARTED == volinfo->status)
- ret = glusterd_check_generate_start_nfs ();
+ if (GLUSTERD_STATUS_STARTED == volinfo->status) {
+ if (priv->op_version == GD_OP_VERSION_MIN)
+ ret = glusterd_check_generate_start_nfs ();
+ }
- ret = 0;
+ if (rsp_dict && start_crawl == _gf_true)
+ glusterd_quota_initiate_fs_crawl (priv, volname, type);
+ ret = 0;
out:
- if (rsp_dict && start_crawl == _gf_true)
- glusterd_quota_initiate_fs_crawl (priv, volname);
+ return ret;
+}
+
+/*
+ * glusterd_get_gfid_from_brick() fetches the 'trusted.gfid' attribute of @path
+ * from each brick in the backend and places the same in the rsp_dict with the
+ * keys being gfid0, gfid1, gfid2 and so on. The absence of @path in the backend
+ * is not treated as error.
+ */
+static int
+glusterd_get_gfid_from_brick (dict_t *dict, glusterd_volinfo_t *volinfo,
+ dict_t *rsp_dict, char **op_errstr)
+{
+ int ret = -1;
+ int count = 0;
+ char *path = NULL;
+ char backend_path[PATH_MAX] = {0,};
+ xlator_t *this = NULL;
+ glusterd_conf_t *priv = NULL;
+ glusterd_brickinfo_t *brickinfo = NULL;
+ char key[256] = {0,};
+ char *gfid_str = NULL;
+ uuid_t gfid;
- if (rsp_dict && *op_errstr) {
- ret = dict_set_dynstr (rsp_dict, "errstr", *op_errstr);
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ ret = dict_get_str (dict, "path", &path);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to get path");
+ goto out;
+ }
+
+ list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) {
+ ret = glusterd_resolve_brick (brickinfo);
if (ret) {
- GF_FREE (*op_errstr);
- gf_log ("", GF_LOG_DEBUG,
- "failed to set error message in ctx");
+ gf_log (this->name, GF_LOG_ERROR, FMTSTR_RESOLVE_BRICK,
+ brickinfo->hostname, brickinfo->path);
+ goto out;
+ }
+
+ if (uuid_compare (brickinfo->uuid, MY_UUID))
+ continue;
+
+ if (brickinfo->vg[0])
+ continue;
+
+ snprintf (backend_path, sizeof (backend_path), "%s%s",
+ brickinfo->path, path);
+
+ ret = gf_lstat_dir (backend_path, NULL);
+ if (ret) {
+ gf_log (this->name, GF_LOG_INFO, "Failed to find "
+ "directory %s. Reason : %s", backend_path,
+ strerror (errno));
+ ret = 0;
+ continue;
}
- *op_errstr = NULL;
+ ret = sys_lgetxattr (backend_path, GFID_XATTR_KEY, gfid, 16);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_INFO, "Failed to get "
+ "extended attribute %s for directory %s. "
+ "Reason : %s", GFID_XATTR_KEY, backend_path,
+ strerror (errno));
+ ret = 0;
+ continue;
+ }
+ snprintf (key, sizeof (key), "gfid%d", count);
+
+ gfid_str = gf_strdup (uuid_utoa (gfid));
+ if (!gfid_str) {
+ ret = -1;
+ goto out;
+ }
+
+ ret = dict_set_dynstr (rsp_dict, key, gfid_str);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to place "
+ "gfid of %s in dict", backend_path);
+ GF_FREE (gfid_str);
+ goto out;
+ }
+ count++;
+ }
+
+ ret = dict_set_int32 (rsp_dict, "count", count);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to set count");
+ goto out;
}
+ ret = 0;
+out:
return ret;
}
+static int
+_glusterd_validate_quota_opts (dict_t *dict, int type, char **errstr)
+{
+ int ret = -1;
+ xlator_t *this = THIS;
+ void *quota_xl = NULL;
+ volume_opt_list_t opt_list = {{0},};
+ volume_option_t *opt = NULL;
+ char *key = NULL;
+ char *value = NULL;
+
+ GF_ASSERT (dict);
+ GF_ASSERT (this);
+
+ ret = xlator_volopt_dynload ("features/quota", &quota_xl, &opt_list);
+ if (ret)
+ goto out;
+
+ switch (type) {
+ case GF_QUOTA_OPTION_TYPE_SOFT_TIMEOUT:
+ case GF_QUOTA_OPTION_TYPE_HARD_TIMEOUT:
+ case GF_QUOTA_OPTION_TYPE_ALERT_TIME:
+ case GF_QUOTA_OPTION_TYPE_DEFAULT_SOFT_LIMIT:
+ key = (char *)gd_quota_op_list[type];
+ break;
+ default:
+ ret = -1;
+ goto out;
+ }
+
+ opt = xlator_volume_option_get_list (&opt_list, key);
+ if (!opt) {
+ ret = -1;
+ gf_log (this->name, GF_LOG_ERROR, "Unknown option: %s", key);
+ goto out;
+ }
+ ret = dict_get_str (dict, "value", &value);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Value not found for key %s",
+ key);
+ goto out;
+ }
+
+ ret = xlator_option_validate (this, key, value, opt, errstr);
+
+out:
+ if (quota_xl) {
+ dlclose (quota_xl);
+ quota_xl = NULL;
+ }
+ return ret;
+}
int
-glusterd_op_stage_quota (dict_t *dict, char **op_errstr)
+glusterd_op_stage_quota (dict_t *dict, char **op_errstr, dict_t *rsp_dict)
{
- int ret = 0;
- char *volname = NULL;
- gf_boolean_t exists = _gf_false;
- int type = 0;
- dict_t *ctx = NULL;
+ int ret = 0;
+ char *volname = NULL;
+ gf_boolean_t exists = _gf_false;
+ int type = 0;
+ xlator_t *this = NULL;
+ glusterd_conf_t *priv = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
+ char *hard_limit_str = NULL;
+ uint64_t hard_limit = 0;
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
GF_ASSERT (dict);
GF_ASSERT (op_errstr);
ret = dict_get_str (dict, "volname", &volname);
if (ret) {
- gf_log ("", GF_LOG_ERROR, "Unable to get volume name");
+ gf_log (this->name, 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 "
- "does not exist",
- volname);
- *op_errstr = gf_strdup ("Invalid volume name");
+ gf_asprintf (op_errstr, FMTSTR_CHECK_VOL_EXISTS, volname);
+ ret = -1;
+ goto out;
+ }
+ ret = glusterd_volinfo_find (volname, &volinfo);
+ if (ret) {
+ gf_asprintf (op_errstr, FMTSTR_CHECK_VOL_EXISTS, volname);
+ goto out;
+ }
+
+ if (!glusterd_is_volume_started (volinfo)) {
+ *op_errstr = gf_strdup ("Volume is stopped, start volume "
+ "before executing quota command.");
ret = -1;
goto out;
}
ret = dict_get_int32 (dict, "type", &type);
if (ret) {
- gf_log ("", GF_LOG_ERROR, "Unable to get 'type' for quota op");
- *op_errstr = gf_strdup ("Volume quota failed, internal error "
- ", unable to get type of operation");
+ *op_errstr = gf_strdup ("Volume quota failed, internal error, "
+ "unable to get type of operation");
+ goto out;
+ }
+
+ if ((!glusterd_is_volume_quota_enabled (volinfo)) &&
+ (type != GF_QUOTA_OPTION_TYPE_ENABLE)) {
+ *op_errstr = gf_strdup ("Quota is disabled, please enable "
+ "quota");
+ ret = -1;
+ goto out;
+ }
+
+ if ((priv->op_version == GD_OP_VERSION_MIN) &&
+ (type > GF_QUOTA_OPTION_TYPE_VERSION)) {
+ gf_asprintf (op_errstr, "Volume quota failed. The cluster is "
+ "operating at version %d. Quota command"
+ " %s is unavailable in this version.",
+ priv->op_version,
+ gd_quota_op_list[type]);
+ ret = -1;
goto out;
}
+ if ((GF_QUOTA_OPTION_TYPE_ENABLE != type) &&
+ (glusterd_check_if_quota_trans_enabled (volinfo) != 0)) {
+ ret = -1;
+ gf_asprintf (op_errstr, "Quota is not enabled on volume %s",
+ volname);
+ goto out;
+ }
- ctx = glusterd_op_get_ctx();
- if (ctx && (type == GF_QUOTA_OPTION_TYPE_ENABLE
- || type == GF_QUOTA_OPTION_TYPE_LIST)) {
+ switch (type) {
+ case GF_QUOTA_OPTION_TYPE_ENABLE:
+ case GF_QUOTA_OPTION_TYPE_LIST:
/* Fuse mount req. only for enable & list-usage options*/
- if (!glusterd_is_fuse_available ()) {
- gf_log ("glusterd", GF_LOG_ERROR, "Unable to open /dev/"
- "fuse (%s), quota command failed",
- strerror (errno));
+ if (is_origin_glusterd (dict) &&
+ !glusterd_is_fuse_available ()) {
*op_errstr = gf_strdup ("Fuse unavailable");
ret = -1;
goto out;
}
+ break;
+
+ case GF_QUOTA_OPTION_TYPE_LIMIT_USAGE:
+ ret = dict_get_str (dict, "hard-limit", &hard_limit_str);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Faild to get hard-limit from dict");
+ goto out;
+ }
+ ret = gf_string2bytesize_uint64 (hard_limit_str, &hard_limit);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to convert hard-limit string to value");
+ goto out;
+ }
+ if (hard_limit > UINT64_MAX) {
+ ret = -1;
+ ret = gf_asprintf (op_errstr, "Hard-limit %s is greater"
+ " than %"PRId64"bytes. Please set a "
+ "smaller limit.", hard_limit_str,
+ INT64_MAX);
+ gf_log (this->name, GF_LOG_ERROR, "hard-limit %s "
+ "greater than INT64_MAX", hard_limit_str);
+ goto out;
+ }
+ /*The break statement is missing here to allow intentional fall
+ * through of code execution to the next switch case
+ */
+
+ case GF_QUOTA_OPTION_TYPE_REMOVE:
+ ret = glusterd_get_gfid_from_brick (dict, volinfo, rsp_dict,
+ op_errstr);
+ if (ret)
+ goto out;
+ break;
+
+ case GF_QUOTA_OPTION_TYPE_SOFT_TIMEOUT:
+ case GF_QUOTA_OPTION_TYPE_HARD_TIMEOUT:
+ case GF_QUOTA_OPTION_TYPE_ALERT_TIME:
+ case GF_QUOTA_OPTION_TYPE_DEFAULT_SOFT_LIMIT:
+ ret = _glusterd_validate_quota_opts (dict, type, op_errstr);
+ if (ret)
+ goto out;
+ break;
+
+ default:
+ break;
}
-out:
- gf_log ("", GF_LOG_DEBUG, "Returning %d", ret);
+ ret = 0;
- return ret;
+ out:
+ if (ret && op_errstr && *op_errstr)
+ gf_log (this->name, GF_LOG_ERROR, "%s", *op_errstr);
+ gf_log (this->name, GF_LOG_DEBUG, "Returning %d", ret);
+
+ return ret;
}
generated by cgit (git 2.34.1) at 2026-04-19 11:54:27 +0000