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Illumos openzfs#2583
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2583 Add -p (parsable) option to zfs list

References:
  https://www.illumos.org/issues/2583
  illumos/illumos-gate@43d68d6

Ported-by: Gregor Kopka <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes: openzfs#937
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@unya
Yuri Pankov authored and unya committed Dec 13, 2013
1 parent 15188f3 commit 95fed9e
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Showing 6 changed files with 69 additions and 64 deletions.
5 changes: 4 additions & 1 deletion cmd/zfs/zfs_iter.c
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Original file line number Diff line number Diff line change
Expand Up @@ -18,9 +18,11 @@
*
* CDDL HEADER END
*/

/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012 Pawel Jakub Dawidek <[email protected]>.
* Copyright 2013 Nexenta Systems, Inc. All rights reserved.
*/

#include <libintl.h>
Expand Down Expand Up @@ -108,7 +110,8 @@ zfs_callback(zfs_handle_t *zhp, void *data)
cb->cb_props_table);

if (zfs_expand_proplist(zhp, cb->cb_proplist,
(cb->cb_flags & ZFS_ITER_RECVD_PROPS))
(cb->cb_flags & ZFS_ITER_RECVD_PROPS),
(cb->cb_flags & ZFS_ITER_LITERAL_PROPS))
!= 0) {
free(node);
return (-1);
Expand Down
5 changes: 4 additions & 1 deletion cmd/zfs/zfs_iter.h
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Original file line number Diff line number Diff line change
Expand Up @@ -18,9 +18,11 @@
*
* CDDL HEADER END
*/

/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
* Copyright 2013 Nexenta Systems, Inc. All rights reserved.
*/

#ifndef ZFS_ITER_H
Expand All @@ -43,7 +45,8 @@ typedef struct zfs_sort_column {
#define ZFS_ITER_PROP_LISTSNAPS (1 << 2)
#define ZFS_ITER_DEPTH_LIMIT (1 << 3)
#define ZFS_ITER_RECVD_PROPS (1 << 4)
#define ZFS_ITER_SIMPLE (1 << 5)
#define ZFS_ITER_LITERAL_PROPS (1 << 5)
#define ZFS_ITER_SIMPLE (1 << 6)

int zfs_for_each(int, char **, int options, zfs_type_t,
zfs_sort_column_t *, zprop_list_t **, int, zfs_iter_f, void *);
Expand Down
69 changes: 35 additions & 34 deletions cmd/zfs/zfs_main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,10 @@

/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2012 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2012 by Delphix. All rights reserved.
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
* Copyright (c) 2013 Steven Hartland. All rights reserved.
* Copyright 2013 Nexenta Systems, Inc. All rights reserved.
*/

#include <assert.h>
Expand Down Expand Up @@ -234,9 +234,8 @@ get_usage(zfs_help_t idx)
return (gettext("\tupgrade [-v]\n"
"\tupgrade [-r] [-V version] <-a | filesystem ...>\n"));
case HELP_LIST:
return (gettext("\tlist [-rH][-d max] "
"[-o property[,...]] [-t type[,...]] [-s property] ...\n"
"\t [-S property] ... "
return (gettext("\tlist [-Hp] [-r|-d max] [-o property[,...]] "
"[-s property]...\n\t [-S property]... [-t type[,...]] "
"[filesystem|volume|snapshot] ...\n"));
case HELP_MOUNT:
return (gettext("\tmount\n"
Expand Down Expand Up @@ -293,12 +292,12 @@ get_usage(zfs_help_t idx)
"<filesystem|volume>\n"));
case HELP_USERSPACE:
return (gettext("\tuserspace [-Hinp] [-o field[,...]] "
"[-s field] ...\n\t[-S field] ... "
"[-t type[,...]] <filesystem|snapshot>\n"));
"[-s field]...\n\t [-S field]... [-t type[,...]] "
"<filesystem|snapshot>\n"));
case HELP_GROUPSPACE:
return (gettext("\tgroupspace [-Hinp] [-o field[,...]] "
"[-s field] ...\n\t[-S field] ... "
"[-t type[,...]] <filesystem|snapshot>\n"));
"[-s field]...\n\t [-S field]... [-t type[,...]] "
"<filesystem|snapshot>\n"));
case HELP_HOLD:
return (gettext("\thold [-r] <tag> <snapshot> ...\n"));
case HELP_HOLDS:
Expand Down Expand Up @@ -2098,7 +2097,7 @@ zfs_do_upgrade(int argc, char **argv)
* -i Translate SID to POSIX ID.
* -n Print numeric ID instead of user/group name.
* -o Control which fields to display.
* -p Use exact (parseable) numeric output.
* -p Use exact (parsable) numeric output.
* -s Specify sort columns, descending order.
* -S Specify sort columns, ascending order.
* -t Control which object types to display.
Expand Down Expand Up @@ -2788,24 +2787,25 @@ zfs_do_userspace(int argc, char **argv)
}

/*
* list [-r][-d max] [-H] [-o property[,property]...] [-t type[,type]...]
* [-s property [-s property]...] [-S property [-S property]...]
* <dataset> ...
* list [-Hp][-r|-d max] [-o property[,...]] [-s property] ... [-S property]
* [-t type[,...]] [filesystem|volume|snapshot] ...
*
* -H Scripted mode; elide headers and separate columns by tabs
* -p Display values in parsable (literal) format.
* -r Recurse over all children
* -d Limit recursion by depth.
* -H Scripted mode; elide headers and separate columns by tabs
* -o Control which fields to display.
* -t Control which object types to display.
* -s Specify sort columns, descending order.
* -S Specify sort columns, ascending order.
* -t Control which object types to display.
*
* When given no arguments, lists all filesystems in the system.
* When given no arguments, list all filesystems in the system.
* Otherwise, list the specified datasets, optionally recursing down them if
* '-r' is specified.
*/
typedef struct list_cbdata {
boolean_t cb_first;
boolean_t cb_literal;
boolean_t cb_scripted;
zprop_list_t *cb_proplist;
} list_cbdata_t;
Expand All @@ -2814,8 +2814,9 @@ typedef struct list_cbdata {
* Given a list of columns to display, output appropriate headers for each one.
*/
static void
print_header(zprop_list_t *pl)
print_header(list_cbdata_t *cb)
{
zprop_list_t *pl = cb->cb_proplist;
char headerbuf[ZFS_MAXPROPLEN];
const char *header;
int i;
Expand Down Expand Up @@ -2856,19 +2857,19 @@ print_header(zprop_list_t *pl)
* to the described layout.
*/
static void
print_dataset(zfs_handle_t *zhp, zprop_list_t *pl, boolean_t scripted)
print_dataset(zfs_handle_t *zhp, list_cbdata_t *cb)
{
zprop_list_t *pl = cb->cb_proplist;
boolean_t first = B_TRUE;
char property[ZFS_MAXPROPLEN];
nvlist_t *userprops = zfs_get_user_props(zhp);
nvlist_t *propval;
char *propstr;
boolean_t right_justify;
int width;

for (; pl != NULL; pl = pl->pl_next) {
if (!first) {
if (scripted)
if (cb->cb_scripted)
(void) printf("\t");
else
(void) printf(" ");
Expand All @@ -2883,22 +2884,22 @@ print_dataset(zfs_handle_t *zhp, zprop_list_t *pl, boolean_t scripted)
right_justify = zfs_prop_align_right(pl->pl_prop);
} else if (pl->pl_prop != ZPROP_INVAL) {
if (zfs_prop_get(zhp, pl->pl_prop, property,
sizeof (property), NULL, NULL, 0, B_FALSE) != 0)
sizeof (property), NULL, NULL, 0,
cb->cb_literal) != 0)
propstr = "-";
else
propstr = property;

right_justify = zfs_prop_align_right(pl->pl_prop);
} else if (zfs_prop_userquota(pl->pl_user_prop)) {
if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
property, sizeof (property), B_FALSE) != 0)
property, sizeof (property), cb->cb_literal) != 0)
propstr = "-";
else
propstr = property;
right_justify = B_TRUE;
} else if (zfs_prop_written(pl->pl_user_prop)) {
if (zfs_prop_get_written(zhp, pl->pl_user_prop,
property, sizeof (property), B_FALSE) != 0)
property, sizeof (property), cb->cb_literal) != 0)
propstr = "-";
else
propstr = property;
Expand All @@ -2913,19 +2914,17 @@ print_dataset(zfs_handle_t *zhp, zprop_list_t *pl, boolean_t scripted)
right_justify = B_FALSE;
}

width = pl->pl_width;

/*
* If this is being called in scripted mode, or if this is the
* last column and it is left-justified, don't include a width
* format specifier.
*/
if (scripted || (pl->pl_next == NULL && !right_justify))
if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify))
(void) printf("%s", propstr);
else if (right_justify)
(void) printf("%*s", width, propstr);
(void) printf("%*s", (int)pl->pl_width, propstr);
else
(void) printf("%-*s", width, propstr);
(void) printf("%-*s", (int)pl->pl_width, propstr);
}

(void) printf("\n");
Expand All @@ -2941,11 +2940,11 @@ list_callback(zfs_handle_t *zhp, void *data)

if (cbp->cb_first) {
if (!cbp->cb_scripted)
print_header(cbp->cb_proplist);
print_header(cbp);
cbp->cb_first = B_FALSE;
}

print_dataset(zhp, cbp->cb_proplist, cbp->cb_scripted);
print_dataset(zhp, cbp);

return (0);
}
Expand All @@ -2954,7 +2953,6 @@ static int
zfs_do_list(int argc, char **argv)
{
int c;
boolean_t scripted = B_FALSE;
static char default_fields[] =
"name,used,available,referenced,mountpoint";
int types = ZFS_TYPE_DATASET;
Expand All @@ -2968,19 +2966,23 @@ zfs_do_list(int argc, char **argv)
int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS;

/* check options */
while ((c = getopt(argc, argv, ":d:o:rt:Hs:S:")) != -1) {
while ((c = getopt(argc, argv, "HS:d:o:prs:t:")) != -1) {
switch (c) {
case 'o':
fields = optarg;
break;
case 'p':
cb.cb_literal = B_TRUE;
flags |= ZFS_ITER_LITERAL_PROPS;
break;
case 'd':
limit = parse_depth(optarg, &flags);
break;
case 'r':
flags |= ZFS_ITER_RECURSE;
break;
case 'H':
scripted = B_TRUE;
cb.cb_scripted = B_TRUE;
break;
case 's':
if (zfs_add_sort_column(&sortcol, optarg,
Expand Down Expand Up @@ -3070,7 +3072,6 @@ zfs_do_list(int argc, char **argv)
!= 0)
usage(B_FALSE);

cb.cb_scripted = scripted;
cb.cb_first = B_TRUE;

ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist,
Expand Down
5 changes: 3 additions & 2 deletions include/libzfs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,10 @@

/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2012 by Delphix. All rights reserved.
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
* Copyright (c) 2013 Steven Hartland. All rights reserved.
* Copyright 2013 Nexenta Systems, Inc. All rights reserved.
*/

#ifndef _LIBZFS_H
Expand Down Expand Up @@ -478,7 +478,8 @@ typedef struct zprop_list {
boolean_t pl_fixed;
} zprop_list_t;

extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **, boolean_t);
extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **, boolean_t,
boolean_t);
extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *);

#define ZFS_MOUNTPOINT_NONE "none"
Expand Down
13 changes: 7 additions & 6 deletions lib/libzfs/libzfs_dataset.c
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Original file line number Diff line number Diff line change
Expand Up @@ -24,9 +24,9 @@
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2012 DEY Storage Systems, Inc. All rights reserved.
* Copyright (c) 2012 Pawel Jakub Dawidek <[email protected]>.
* Copyright 2012 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2013 Martin Matuska. All rights reserved.
* Copyright (c) 2013 Steven Hartland. All rights reserved.
* Copyright 2013 Nexenta Systems, Inc. All rights reserved.
*/

#include <ctype.h>
Expand Down Expand Up @@ -4157,7 +4157,8 @@ zfs_get_user_props(zfs_handle_t *zhp)
* of the RECEIVED column.
*/
int
zfs_expand_proplist(zfs_handle_t *zhp, zprop_list_t **plp, boolean_t received)
zfs_expand_proplist(zfs_handle_t *zhp, zprop_list_t **plp, boolean_t received,
boolean_t literal)
{
libzfs_handle_t *hdl = zhp->zfs_hdl;
zprop_list_t *entry;
Expand Down Expand Up @@ -4219,18 +4220,18 @@ zfs_expand_proplist(zfs_handle_t *zhp, zprop_list_t **plp, boolean_t received)
* Now go through and check the width of any non-fixed columns
*/
for (entry = *plp; entry != NULL; entry = entry->pl_next) {
if (entry->pl_fixed)
if (entry->pl_fixed && !literal)
continue;

if (entry->pl_prop != ZPROP_INVAL) {
if (zfs_prop_get(zhp, entry->pl_prop,
buf, sizeof (buf), NULL, NULL, 0, B_FALSE) == 0) {
buf, sizeof (buf), NULL, NULL, 0, literal) == 0) {
if (strlen(buf) > entry->pl_width)
entry->pl_width = strlen(buf);
}
if (received && zfs_prop_get_recvd(zhp,
zfs_prop_to_name(entry->pl_prop),
buf, sizeof (buf), B_FALSE) == 0)
buf, sizeof (buf), literal) == 0)
if (strlen(buf) > entry->pl_recvd_width)
entry->pl_recvd_width = strlen(buf);
} else {
Expand All @@ -4243,7 +4244,7 @@ zfs_expand_proplist(zfs_handle_t *zhp, zprop_list_t **plp, boolean_t received)
}
if (received && zfs_prop_get_recvd(zhp,
entry->pl_user_prop,
buf, sizeof (buf), B_FALSE) == 0)
buf, sizeof (buf), literal) == 0)
if (strlen(buf) > entry->pl_recvd_width)
entry->pl_recvd_width = strlen(buf);
}
Expand Down
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