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authorXavier Hernandez <xhernandez@datalab.es>2017-01-10 11:21:06 +0100
committerAtin Mukherjee <amukherj@redhat.com>2017-01-24 23:51:29 -0500
commit912c3b58717f03453fedbb6c15482c052bdcd847 (patch)
treec40dbf8006dce5a618806db797642f1c3bba43bc
parent5771c7d5a2986661487d1b37cfdce0645bb93f98 (diff)
cli: keep 'gluster volume status detail' consistent
The output of the command 'gluster volume status <volname> detail' is not consistent between operating systems. On linux hosts it shows the file system type, the device name, mount options and inode size of each brick. However the same command executed on a FreeBSD host doesn't show all this information, even for bricks stored on a linux. Additionally, for hosts other than linux, this information is shown as 'N/A' many times. This has been fixed to show as much information as it can be retrieved from the operating system. The file contrib/mount/mntent.c has been mostly rewriten because it contained many errors that caused mount information to not be retrieved on some operating systems. > Change-Id: Icb6e19e8af6ec82255e7792ad71914ef679fc316 > BUG: 1411334 > Signed-off-by: Xavier Hernandez <xhernandez@datalab.es> > Reviewed-on: http://review.gluster.org/16371 > Smoke: Gluster Build System <jenkins@build.gluster.org> > NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> > CentOS-regression: Gluster Build System <jenkins@build.gluster.org> > Reviewed-by: Atin Mukherjee <amukherj@redhat.com> > Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com> Change-Id: Ic1a40546eef3befb16310ab5e022d83bbbc946d5 BUG: 1415133 Signed-off-by: Xavier Hernandez <xhernandez@datalab.es> Reviewed-on: https://review.gluster.org/16443 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
-rw-r--r--cli/src/cli-cmd-volume.c6
-rw-r--r--cli/src/cli-xml-output.c8
-rw-r--r--cli/src/cli.h2
-rw-r--r--contrib/mount/mntent.c266
4 files changed, 157 insertions, 125 deletions
diff --git a/cli/src/cli-cmd-volume.c b/cli/src/cli-cmd-volume.c
index 52d80ff..a26c297 100644
--- a/cli/src/cli-cmd-volume.c
+++ b/cli/src/cli-cmd-volume.c
@@ -1980,13 +1980,11 @@ cli_get_detail_status (dict_t *dict, int i, cli_volume_status_t *status)
if (!status->total)
goto out;
-#ifdef GF_LINUX_HOST_OS
memset (key, 0, sizeof (key));
snprintf (key, sizeof (key), "brick%d.device", i);
ret = dict_get_str (dict, key, &(status->device));
if (ret)
status->device = NULL;
-#endif
memset (key, 0, sizeof (key));
snprintf (key, sizeof (key), "brick%d.block_size", i);
@@ -1996,7 +1994,6 @@ cli_get_detail_status (dict_t *dict, int i, cli_volume_status_t *status)
status->block_size = 0;
}
-#ifdef GF_LINUX_HOST_OS
memset (key, 0, sizeof (key));
snprintf (key, sizeof (key), "brick%d.mnt_options", i);
ret = dict_get_str (dict, key, &(status->mount_options));
@@ -2016,7 +2013,6 @@ cli_get_detail_status (dict_t *dict, int i, cli_volume_status_t *status)
ret = dict_get_str (dict, key, &(status->inode_size));
if (ret)
status->inode_size = NULL;
-#endif /* GF_LINUX_HOST_OS */
memset (key, 0, sizeof (key));
snprintf (key, sizeof (key), "brick%d.total_inodes", i);
@@ -2054,7 +2050,6 @@ cli_print_detailed_status (cli_volume_status_t *status)
cli_out ("%-20s : %-20c", "Online", (status->online) ? 'Y' : 'N');
cli_out ("%-20s : %-20s", "Pid", status->pid_str);
-#ifdef GF_LINUX_HOST_OS
if (status->fs_name)
cli_out ("%-20s : %-20s", "File System", status->fs_name);
else
@@ -2078,7 +2073,6 @@ cli_print_detailed_status (cli_volume_status_t *status)
} else {
cli_out ("%-20s : %-20s", "Inode Size", "N/A");
}
-#endif
if (status->free)
cli_out ("%-20s : %-20s", "Disk Space Free", status->free);
else
diff --git a/cli/src/cli-xml-output.c b/cli/src/cli-xml-output.c
index cdce2d7..b682848 100644
--- a/cli/src/cli-xml-output.c
+++ b/cli/src/cli-xml-output.c
@@ -438,12 +438,6 @@ cli_xml_output_vol_status_detail (xmlTextWriterPtr writer, dict_t *dict,
(xmlChar *)"fsName",
"%s", fs_name);
- /* inode details are only available for ext 2/3/4 & xfs */
- if (!fs_name || !IS_EXT_FS(fs_name) || strcmp (fs_name, "xfs")) {
- ret = 0;
- goto out;
- }
-
memset (key, 0, sizeof (key));
snprintf (key, sizeof (key), "brick%d.inode_size", brick_index);
ret = dict_get_str (dict, key, &inode_size);
@@ -467,6 +461,8 @@ cli_xml_output_vol_status_detail (xmlTextWriterPtr writer, dict_t *dict,
ret = xmlTextWriterWriteFormatElement (writer,
(xmlChar *)"inodesFree",
"%"PRIu64, inodes_free);
+ else
+ ret = 0;
out:
gf_log ("cli", GF_LOG_DEBUG, "Returning %d", ret);
diff --git a/cli/src/cli.h b/cli/src/cli.h
index 7d9a1d4..b5c5d75 100644
--- a/cli/src/cli.h
+++ b/cli/src/cli.h
@@ -175,12 +175,10 @@ struct cli_volume_status {
char *pid_str;
char *free;
char *total;
-#ifdef GF_LINUX_HOST_OS
char *fs_name;
char *mount_options;
char *device;
char *inode_size;
-#endif
};
struct snap_config_opt_vals_ {
diff --git a/contrib/mount/mntent.c b/contrib/mount/mntent.c
index e9b4488..9a7e5f3 100644
--- a/contrib/mount/mntent.c
+++ b/contrib/mount/mntent.c
@@ -36,6 +36,7 @@
*/
#if !defined(GF_LINUX_HOST_OS)
+
#include <stdlib.h>
#include <string.h>
#include <sys/param.h>
@@ -49,166 +50,209 @@ typedef struct statvfs gf_statfs_t;
typedef struct statfs gf_statfs_t;
#endif
-static int pos = -1;
-static int mntsize = -1;
-static struct mntent _mntent;
+typedef struct _mntent_state {
+ struct mntent mntent;
+ gf_statfs_t *statfs;
+ int count;
+ int pos;
+ /* A buffer big enough to store all defined flags as a string.
+ * Increase it if necessary when more flags are defined. */
+ char buf[256];
+} mntent_state_t;
+
+typedef struct _mntflag {
+ unsigned long value;
+ const char *on;
+ const char *off;
+} mntflag_t;
+
+static mntflag_t mntflags[] = {
+ { MNT_RDONLY, "ro", "rw" },
+ { MNT_SYNCHRONOUS, "sync", NULL },
+ { MNT_NOEXEC, "noexec", NULL },
+ { MNT_NOSUID, "nosuid", NULL },
+#if !defined(__FreeBSD__)
+ { MNT_NODEV, "nodev", NULL },
+#endif /* __FreeBSD__ */
+ { MNT_UNION, "union", NULL },
+ { MNT_ASYNC, "async", NULL },
+#if !defined(GF_DARWIN_HOST_OS)
+ { MNT_NOATIME, "noatime", NULL },
+#if !defined(__NetBSD__)
+ { MNT_NOCLUSTERR, "noclusterr", NULL },
+ { MNT_NOCLUSTERW, "noclusterw", NULL },
+ { MNT_NOSYMFOLLOW, "nosymfollow", NULL },
+ { MNT_SUIDDIR, "suiddir", NULL },
+#endif /* !__NetBSD__ */
+#endif /* !GF_DARWIN_HOST_OS */
+ { 0, NULL, NULL }
+};
char *
hasmntopt (const struct mntent *mnt, const char *option)
{
- int found;
char *opt, *optbuf;
+ int len;
optbuf = strdup(mnt->mnt_opts);
- found = 0;
- for (opt = optbuf; (opt = strtok(opt, " ")) != NULL; opt = NULL) {
- if (!strcasecmp(opt, option)) {
- opt = opt - optbuf + mnt->mnt_opts;
- free (optbuf);
- return (opt);
+ if (optbuf == NULL) {
+ return NULL;
+ }
+
+ opt = optbuf;
+ len = 0;
+ while (*opt) {
+ while (opt[len] != 0) {
+ if (opt[len] == ' ') {
+ opt[len++] = 0;
+ break;
+ }
+ len++;
+ }
+ if ((*opt != 0) && (strcasecmp(opt, option) == 0)) {
+ break;
}
+ opt += len;
+ len = 0;
}
- free (optbuf);
- return (NULL);
+ free(optbuf);
+ if (len == 0) {
+ return NULL;
+ }
+
+ return opt - optbuf + mnt->mnt_opts;
}
-static char *
-concatopt (char *s0, const char *s1)
+static int
+writeopt(const char *text, char *buf, int buflen, int pos)
{
- size_t i;
- char *cp;
-
- if (s1 == NULL || *s1 == '\0')
- return s0;
- if (s0 && *s0) {
- i = strlen(s0) + strlen(s1) + 1 + 1;
- if ((cp = (char *)malloc(i)) == NULL)
- return (NULL);
- (void)snprintf(cp, i, "%s %s", s0, s1);
- } else
- cp = strdup(s1);
-
- if (s0)
- free(s0);
- return (cp);
-}
+ int len;
+
+ /* buflen must be > 0 */
+
+ if (text == NULL) {
+ return pos;
+ }
+
+ buf += pos;
+ if (pos > 0) {
+ /* We are sure we have at least one byte to store the space.
+ * We don't need to check buflen here. */
+ *buf++ = ' ';
+ pos++;
+ }
+ len = strlen(text) + 1;
+ pos += len;
+ if (pos >= buflen) {
+ /* There won't be enough space for the text and the
+ * terminating null character. We copy as much as we can
+ * of the text and mark the end of the string with '...' */
+ memcpy(buf, text, buflen - pos + len);
+ if (buflen > 3) {
+ strcpy(buf + buflen - 4, "...");
+ } else {
+ strncpy(buf, "...", buflen - 1);
+ buf[buflen - 1] = 0;
+ }
+ pos = buflen;
+ } else {
+ memcpy(buf, text, len);
+ }
+ return pos;
+}
static char *
-flags2opts (int flags)
+flags2opts (int flags, char *buf, int buflen)
{
- char *res;
- res = NULL;
- res = concatopt(res, (flags & MNT_RDONLY) ? "ro" : "rw");
- if (flags & MNT_SYNCHRONOUS) res = concatopt(res, "sync");
- if (flags & MNT_NOEXEC) res = concatopt(res, "noexec");
- if (flags & MNT_NOSUID) res = concatopt(res, "nosuid");
-#if !defined(__FreeBSD__)
- if (flags & MNT_NODEV) res = concatopt(res, "nodev");
-#endif /* __FreeBSD__ */
- if (flags & MNT_UNION) res = concatopt(res, "union");
- if (flags & MNT_ASYNC) res = concatopt(res, "async");
-#if !defined(GF_DARWIN_HOST_OS)
- if (flags & MNT_NOATIME) res = concatopt(res, "noatime");
-#if !defined(__NetBSD__)
- if (flags & MNT_NOCLUSTERR) res = concatopt(res, "noclusterr");
- if (flags & MNT_NOCLUSTERW) res = concatopt(res, "noclusterw");
- if (flags & MNT_NOSYMFOLLOW) res = concatopt(res, "nosymfollow");
- if (flags & MNT_SUIDDIR) res = concatopt(res, "suiddir");
-#endif /* !__NetBSD__ */
-#endif /* !GF_DARWIN_HOS_OS */
- return res;
+ char other[16];
+ mntflag_t *flg;
+ int pos;
+
+ if (buflen == 0) {
+ return NULL;
+ }
+
+ pos = 0;
+ for (flg = mntflags; flg->value != 0; flg++) {
+ pos = writeopt((flags & flg->value) == 0 ? flg->off : flg->on,
+ buf, buflen, pos);
+ flags &= ~flg->value;
+ }
+
+ if (flags != 0) {
+ sprintf(other, "[0x%x]", flags);
+ writeopt(other, buf, buflen, pos);
+ }
+
+ return buf;
}
-static struct mntent *
-statfs_to_mntent (gf_statfs_t *mntbuf)
+static void
+statfs_to_mntent (struct mntent *mntent, gf_statfs_t *mntbuf, char *buf,
+ int buflen)
{
- static char opts_buf[40], *tmp;
int f_flags;
- _mntent.mnt_fsname = mntbuf->f_mntfromname;
- _mntent.mnt_dir = mntbuf->f_mntonname;
- _mntent.mnt_type = mntbuf->f_fstypename;
+ mntent->mnt_fsname = mntbuf->f_mntfromname;
+ mntent->mnt_dir = mntbuf->f_mntonname;
+ mntent->mnt_type = mntbuf->f_fstypename;
#ifdef __NetBSD__
f_flags = mntbuf->f_flag;
#else
f_flags = mntbuf->f_flags;
#endif
- tmp = flags2opts (f_flags);
- if (tmp) {
- opts_buf[sizeof(opts_buf)-1] = '\0';
- strncpy (opts_buf, tmp, sizeof(opts_buf)-1);
- free (tmp);
- } else {
- *opts_buf = '\0';
- }
- _mntent.mnt_opts = opts_buf;
- _mntent.mnt_freq = _mntent.mnt_passno = 0;
- return (&_mntent);
+ mntent->mnt_opts = flags2opts (f_flags, buf, buflen);
+
+ mntent->mnt_freq = mntent->mnt_passno = 0;
}
struct mntent *
-getmntent (FILE *fp)
+getmntent_r (FILE *fp, struct mntent *mntent, char *buf, int buflen)
{
- gf_statfs_t *mntbuf;
+ mntent_state_t *state = (mntent_state_t *)fp;
- if (!fp)
+ if (state->pos >= state->count) {
return NULL;
-
- if (pos == -1 || mntsize == -1)
- mntsize = getmntinfo (&mntbuf, MNT_NOWAIT);
-
- ++pos;
- if (pos == mntsize) {
- pos = mntsize = -1;
- return (NULL);
}
- return (statfs_to_mntent (&mntbuf[pos]));
+ statfs_to_mntent(mntent, &state->statfs[state->pos++], buf, buflen);
+
+ return mntent;
}
-/*
- Careful using this function ``buffer`` and ``bufsize`` are
- ignored since there is no stream with strings to populate
- them on OSX or NetBSD, if one wishes to populate them then
- perhaps a new function should be written in this source file
- which uses 'getmntinfo()' to stringify the mntent's
-*/
-
-struct mntent *getmntent_r (FILE *fp, struct mntent *result,
- char *buffer, int bufsize)
+struct mntent *
+getmntent (FILE *fp)
{
- struct mntent *ment = NULL;
-
- if (!fp)
- return NULL;
+ mntent_state_t *state = (mntent_state_t *)fp;
- flockfile (fp);
- ment = getmntent (fp);
- memcpy (result, ment, sizeof(*ment));
- funlockfile (fp);
-
- return result;
+ return getmntent_r(fp, &state->mntent, state->buf,
+ sizeof(state->buf));
}
FILE *
setmntent (const char *filename, const char *type)
{
- FILE *fp = NULL;
-#ifdef GF_DARWIN_HOST_OS
- fp = fopen (filename, "w");
-#else
- fp = fopen (filename, type);
-#endif
- return fp;
+ mntent_state_t *state;
+
+ /* We don't really need to access any file so we'll use the FILE* as
+ * a fake file to store state information.
+ */
+
+ state = malloc(sizeof(mntent_state_t));
+ if (state != NULL) {
+ state->pos = 0;
+ state->count = getmntinfo(&state->statfs, MNT_NOWAIT);
+ }
+
+ return (FILE *)state;
}
int
endmntent (FILE *fp)
{
- if (fp)
- fclose (fp);
+ free(fp);
return 1; /* endmntent() always returns 1 */
}