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OpenZFS 3993, 4700

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3993 zpool(1M) and zfs(1M) should support -p for "list" and "get"
4700 "zpool get" doesn't support -H or -o options

Reviewed by: Dan McDonald <danmcd@omniti.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Robert Mustacchi <rm@joyent.com>
Ported by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>

OpenZFS-issue: https://www.illumos.org/issues/3993
OpenZFS-issue: https://www.illumos.org/issues/4700
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/c58b352

Porting notes:
I removed ZoL's zpool_get_prop_literal() in favor of
zpool_get_prop(..., boolean_t literal) since that's what OpenZFS
uses.  The functionality is the same.
This commit is contained in:
Adam Stevko 2016-05-09 14:03:18 -07:00 committed by Brian Behlendorf
parent f00828e5d9
commit 2a8b84b747
5 changed files with 139 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

111
cmd/zpool/zpool_main.c
View File

@ -242,7 +242,7 @@ get_usage(zpool_help_t idx) {
case HELP_LABELCLEAR:
return (gettext("\tlabelclear [-f] <vdev>\n"));
case HELP_LIST:
return (gettext("\tlist [-gHLPv] [-o property[,...]] "
return (gettext("\tlist [-gHLpPv] [-o property[,...]] "
"[-T d|u] [pool] ... [interval [count]]\n"));
case HELP_OFFLINE:
return (gettext("\toffline [-t] <pool> <device> ...\n"));
@ -267,8 +267,8 @@ get_usage(zpool_help_t idx) {
case HELP_EVENTS:
return (gettext("\tevents [-vHfc]\n"));
case HELP_GET:
return (gettext("\tget [-pH] <\"all\" | property[,...]> "
"<pool> ...\n"));
return (gettext("\tget [-Hp] [-o \"all\" | field[,...]] "
"<\"all\" | property[,...]> <pool> ...\n"));
case HELP_SET:
return (gettext("\tset <property=value> <pool> \n"));
case HELP_SPLIT:
@ -3024,6 +3024,7 @@ typedef struct list_cbdata {
int cb_namewidth;
boolean_t cb_scripted;
zprop_list_t *cb_proplist;
boolean_t cb_literal;
} list_cbdata_t;
/*
@ -3115,7 +3116,7 @@ print_pool(zpool_handle_t *zhp, list_cbdata_t *cb)
right_justify = B_FALSE;
if (pl->pl_prop != ZPROP_INVAL) {
if (zpool_get_prop(zhp, pl->pl_prop, property,
sizeof (property), NULL) != 0)
sizeof (property), NULL, cb->cb_literal) != 0)
propstr = "-";
else
propstr = property;
@ -3325,7 +3326,7 @@ list_callback(zpool_handle_t *zhp, void *data)
}
/*
* zpool list [-gHLP] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]]
* zpool list [-gHLpP] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]]
*
* -g Display guid for individual vdev name.
* -H Scripted mode. Don't display headers, and separate properties
@ -3334,6 +3335,7 @@ list_callback(zpool_handle_t *zhp, void *data)
* -o List of properties to display. Defaults to
* "name,size,allocated,free,expandsize,fragmentation,capacity,"
* "dedupratio,health,altroot"
* -p Display values in parsable (exact) format.
* -P Display full path for vdev name.
* -T Display a timestamp in date(1) or Unix format
*
@ -3355,7 +3357,7 @@ zpool_do_list(int argc, char **argv)
boolean_t first = B_TRUE;
/* check options */
while ((c = getopt(argc, argv, ":gHLo:PT:v")) != -1) {
while ((c = getopt(argc, argv, ":gHLo:pPT:v")) != -1) {
switch (c) {
case 'g':
cb.cb_name_flags |= VDEV_NAME_GUID;
@ -3372,6 +3374,9 @@ zpool_do_list(int argc, char **argv)
case 'P':
cb.cb_name_flags |= VDEV_NAME_PATH;
break;
case 'p':
cb.cb_literal = B_TRUE;
break;
case 'T':
get_timestamp_arg(*optarg);
break;
@ -5886,7 +5891,7 @@ get_callback(zpool_handle_t *zhp, void *data)
NULL, NULL);
}
} else {
if (zpool_get_prop_literal(zhp, pl->pl_prop, value,
if (zpool_get_prop(zhp, pl->pl_prop, value,
sizeof (value), &srctype, cbp->cb_literal) != 0)
continue;
@ -5898,24 +5903,99 @@ get_callback(zpool_handle_t *zhp, void *data)
return (0);
}
/*
* zpool get [-Hp] [-o "all" | field[,...]] <"all" | property[,...]> <pool> ...
*
* -H Scripted mode. Don't display headers, and separate properties
* by a single tab.
* -o List of columns to display. Defaults to
* "name,property,value,source".
* -p Diplay values in parsable (exact) format.
*
* Get properties of pools in the system. Output space statistics
* for each one as well as other attributes.
*/
int
zpool_do_get(int argc, char **argv)
{
zprop_get_cbdata_t cb = { 0 };
zprop_list_t fake_name = { 0 };
int c, ret;
int ret;
int c, i;
char *value;
cb.cb_first = B_TRUE;
/*
* Set up default columns and sources.
*/
cb.cb_sources = ZPROP_SRC_ALL;
cb.cb_columns[0] = GET_COL_NAME;
cb.cb_columns[1] = GET_COL_PROPERTY;
cb.cb_columns[2] = GET_COL_VALUE;
cb.cb_columns[3] = GET_COL_SOURCE;
cb.cb_type = ZFS_TYPE_POOL;
/* check options */
while ((c = getopt(argc, argv, "pH")) != -1) {
while ((c = getopt(argc, argv, ":Hpo:")) != -1) {
switch (c) {
case 'p':
cb.cb_literal = B_TRUE;
break;
case 'H':
cb.cb_scripted = B_TRUE;
break;
case 'o':
bzero(&cb.cb_columns, sizeof (cb.cb_columns));
i = 0;
while (*optarg != '\0') {
static char *col_subopts[] =
{ "name", "property", "value", "source",
"all", NULL };
if (i == ZFS_GET_NCOLS) {
(void) fprintf(stderr, gettext("too "
"many fields given to -o "
"option\n"));
usage(B_FALSE);
}
switch (getsubopt(&optarg, col_subopts,
&value)) {
case 0:
cb.cb_columns[i++] = GET_COL_NAME;
break;
case 1:
cb.cb_columns[i++] = GET_COL_PROPERTY;
break;
case 2:
cb.cb_columns[i++] = GET_COL_VALUE;
break;
case 3:
cb.cb_columns[i++] = GET_COL_SOURCE;
break;
case 4:
if (i > 0) {
(void) fprintf(stderr,
gettext("\"all\" conflicts "
"with specific fields "
"given to -o option\n"));
usage(B_FALSE);
}
cb.cb_columns[0] = GET_COL_NAME;
cb.cb_columns[1] = GET_COL_PROPERTY;
cb.cb_columns[2] = GET_COL_VALUE;
cb.cb_columns[3] = GET_COL_SOURCE;
i = ZFS_GET_NCOLS;
break;
default:
(void) fprintf(stderr,
gettext("invalid column name "
"'%s'\n"), value);
usage(B_FALSE);
}
}
break;
case '?':
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
optopt);
@ -5932,15 +6012,8 @@ zpool_do_get(int argc, char **argv)
usage(B_FALSE);
}
cb.cb_first = B_TRUE;
cb.cb_sources = ZPROP_SRC_ALL;
cb.cb_columns[0] = GET_COL_NAME;
cb.cb_columns[1] = GET_COL_PROPERTY;
cb.cb_columns[2] = GET_COL_VALUE;
cb.cb_columns[3] = GET_COL_SOURCE;
cb.cb_type = ZFS_TYPE_POOL;
if (zprop_get_list(g_zfs, argv[0], &cb.cb_proplist, ZFS_TYPE_POOL) != 0)
if (zprop_get_list(g_zfs, argv[0], &cb.cb_proplist,
ZFS_TYPE_POOL) != 0)
usage(B_FALSE);
argc--;

2
include/libzfs.h
View File

@ -287,8 +287,6 @@ extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *);
*/
extern int zpool_set_prop(zpool_handle_t *, const char *, const char *);
extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *,
size_t proplen, zprop_source_t *);
extern int zpool_get_prop_literal(zpool_handle_t *, zpool_prop_t, char *,
size_t proplen, zprop_source_t *, boolean_t literal);
extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t,
zprop_source_t *);

4
lib/libzfs/libzfs_dataset.c
View File

@ -2372,8 +2372,8 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen,
}
if ((zpool_get_prop(zhp->zpool_hdl,
ZPOOL_PROP_ALTROOT, buf, MAXPATHLEN, NULL)) ||
(strcmp(root, "-") == 0))
ZPOOL_PROP_ALTROOT, buf, MAXPATHLEN, NULL,
B_FALSE)) || (strcmp(root, "-") == 0))
root[0] = '\0';
/*
* Special case an alternate root of '/'. This will

29
lib/libzfs/libzfs_pool.c
View File

@ -235,22 +235,12 @@ zpool_pool_state_to_name(pool_state_t state)
return (gettext("UNKNOWN"));
}
/*
* API compatibility wrapper around zpool_get_prop_literal
*/
int
zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len,
zprop_source_t *srctype)
{
return (zpool_get_prop_literal(zhp, prop, buf, len, srctype, B_FALSE));
}
/*
* Get a zpool property value for 'prop' and return the value in
* a pre-allocated buffer.
*/
int
zpool_get_prop_literal(zpool_handle_t *zhp, zpool_prop_t prop, char *buf,
zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf,
size_t len, zprop_source_t *srctype, boolean_t literal)
{
uint64_t intval;
@ -283,9 +273,7 @@ zpool_get_prop_literal(zpool_handle_t *zhp, zpool_prop_t prop, char *buf,
(void) strlcpy(buf,
zpool_get_prop_string(zhp, prop, &src),
len);
if (srctype != NULL)
*srctype = src;
return (0);
break;
}
/* FALLTHROUGH */
default:
@ -337,8 +325,13 @@ zpool_get_prop_literal(zpool_handle_t *zhp, zpool_prop_t prop, char *buf,
break;
case ZPOOL_PROP_CAPACITY:
(void) snprintf(buf, len, "%llu%%",
(u_longlong_t)intval);
if (literal) {
(void) snprintf(buf, len, "%llu",
(u_longlong_t)intval);
} else {
(void) snprintf(buf, len, "%llu%%",
(u_longlong_t)intval);
}
break;
case ZPOOL_PROP_FRAGMENTATION:
@ -443,7 +436,7 @@ zpool_is_bootable(zpool_handle_t *zhp)
char bootfs[ZPOOL_MAXNAMELEN];
return (zpool_get_prop(zhp, ZPOOL_PROP_BOOTFS, bootfs,
sizeof (bootfs), NULL) == 0 && strncmp(bootfs, "-",
sizeof (bootfs), NULL, B_FALSE) == 0 && strncmp(bootfs, "-",
sizeof (bootfs)) != 0);
}
@ -873,7 +866,7 @@ zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp)
if (entry->pl_prop != ZPROP_INVAL &&
zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf),
NULL) == 0) {
NULL, B_FALSE) == 0) {
if (strlen(buf) > entry->pl_width)
entry->pl_width = strlen(buf);
}

43
man/man8/zpool.8
View File

@ -67,7 +67,7 @@ zpool \- configures ZFS storage pools
.LP
.nf
\fBzpool get\fR [\fB-pH\fR] "\fIall\fR" | \fIproperty\fR[,...] \fIpool\fR ...
\fBzpool get\fR [\fB-Hp\fR] [\fB-o \fR\fIfield\fR[,...]] "\fIall\fR" | \fIproperty\fR[,...] \fIpool\fR ...
.fi
.LP
@ -105,7 +105,7 @@ zpool \- configures ZFS storage pools
.LP
.nf
\fBzpool list\fR [\fB-T\fR d | u ] [\fB-HgLPv\fR] [\fB-o\fR \fIproperty\fR[,...]] [\fIpool\fR] ...
\fBzpool list\fR [\fB-T\fR d | u ] [\fB-HgLpPv\fR] [\fB-o\fR \fIproperty\fR[,...]] [\fIpool\fR] ...
[\fIinterval\fR[\fIcount\fR]]
.fi
@ -1199,7 +1199,8 @@ This command will forcefully export the pool even if it has a shared spare that
.ne 2
.mk
.na
\fB\fBzpool get\fR [\fB-p\fR] "\fIall\fR" | \fIproperty\fR[,...] \fIpool\fR ...\fR
\fB\fBzpool get\fR [\fB-Hp\fR] [\fB-o \fR\fIfield\fR[,...]] "\fIall\fR" | \fIproperty\fR[,...]
\fIpool\fR ...\fR
.ad
.sp .6
.RS 4n
@ -1207,7 +1208,7 @@ Retrieves the given list of properties (or all properties if "\fBall\fR" is used
.sp
.in +2
.nf
name Name of storage pool
name Name of storage pool
property Property name
value Property value
source Property source, either 'default' or 'local'.
@ -1216,6 +1217,18 @@ Retrieves the given list of properties (or all properties if "\fBall\fR" is used
.sp
See the "Properties" section for more information on the available pool properties.
.sp
.ne 2
.mk
.na
\fB\fB-H\fR\fR
.ad
.RS 6n
.rt
Scripted mode. Do not display headers, and separate fields by a single tab instead of arbitrary space.
.RE
.sp
.ne 2
.mk
@ -1231,13 +1244,13 @@ Display numbers in parseable (exact) values.
.ne 2
.mk
.na
\fB\fB-H\fR\fR
\fB\fB-o\fR \fIfield\fR\fR
.ad
.RS 6n
.RS 12n
.rt
Scripted mode. Do not display headers, and separate fields by a single tab instead of arbitrary space.
A comma-separated list of columns to display. \fBname,property,value,source\fR
is the default value.
.RE
.RE
.sp
@ -1765,7 +1778,7 @@ Treat exported or foreign devices as inactive.
.ne 2
.mk
.na
\fB\fBzpool list\fR [\fB-T\fR \fBd\fR | \fBu\fR] [\fB-HgLPv\fR] [\fB-o\fR \fIprops\fR[,...]] [\fIpool\fR] ... [\fIinterval\fR[\fIcount\fR]]\fR
\fB\fBzpool list\fR [\fB-T\fR \fBd\fR | \fBu\fR] [\fB-HgLpPv\fR] [\fB-o\fR \fIprops\fR[,...]] [\fIpool\fR] ... [\fIinterval\fR[\fIcount\fR]]\fR
.ad
.sp .6
.RS 4n
@ -1803,6 +1816,17 @@ Display vdev GUIDs instead of the normal device names. These GUIDs can be used i
Display real paths for vdevs resolving all symbolic links. This can be used to look up the current block device name regardless of the /dev/disk/ path used to open it.
.RE
.sp
.ne 2
.mk
.na
\fB\fB-p\fR\fR
.ad
.RS 12n
.rt
Display numbers in parsable (exact) values.
.RE
.sp
.ne 2
.mk
@ -1814,6 +1838,7 @@ Display real paths for vdevs resolving all symbolic links. This can be used to l
Display full paths for vdevs instead of only the last component of the path. This can be used in conjunction with the \fB-L\fR flag.
.RE
.sp
.ne 2
.mk
.na