MFV r263887:

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

MFC after:	2 weeks

5 files changed, 154 insertions, 30 deletions

diff --git a/cddl/contrib/opensolaris/cmd/zpool/zpool.8 b/cddl/contrib/opensolaris/cmd/zpool/zpool.8
index 2482b7c35bf0..1061e452f034 100644
--- a/cddl/contrib/opensolaris/cmd/zpool/zpool.8
+++ b/cddl/contrib/opensolaris/cmd/zpool/zpool.8
@@ -1,5 +1,6 @@
 '\" te
 .\" Copyright (c) 2012, Martin Matuska <mm@FreeBSD.org>.
+.\" Copyright (c) 2013-2014, Xin Li <delphij@FreeBSD.org>.
 .\" All Rights Reserved.
 .\"
 .\" The contents of this file are subject to the terms of the
@@ -25,7 +26,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd March 20, 2014
+.Dd March 28, 2014
 .Dt ZPOOL 8
 .Os
 .Sh NAME
@@ -70,6 +71,8 @@
 .Ar pool ...
 .Nm
 .Cm get
+.Op Fl Hp
+.Op Fl o Ar field Ns Op , Ns Ar ...
 .Ar all | property Ns Op , Ns Ar ...
 .Ar pool ...
 .Nm
@@ -120,7 +123,7 @@
 .Ar device
 .Nm
 .Cm list
-.Op Fl H
+.Op Fl Hpv
 .Op Fl o Ar property Ns Op , Ns Ar ...
 .Op Fl T Cm d Ns | Ns Cm u
 .Op Ar pool
@@ -1018,6 +1021,8 @@ is currently being used. This may lead to potential data corruption.
 .It Xo
 .Nm
 .Cm get
+.Op Fl Hp
+.Op Fl o Ar field Ns Op , Ns Ar ...
 .Ar all | property Ns Op , Ns Ar ...
 .Ar pool ...
 .Xc
@@ -1036,6 +1041,19 @@ the following fields:
 See the
 .Qq Sx Properties
 section for more information on the available pool properties.
+.Pp
+.It Fl H
+Scripted mode. Do not display headers, and separate fields by a single tab
+instead of arbitrary space.
+.It Fl p
+Display numbers in parsable (exact) values.
+.It Fl o Ar field
+A comma-separated list of columns to display.
+.Sy name Ns , Ns
+.Sy property Ns , Ns
+.Sy value Ns , Ns
+.Sy source
+is the default value.
 .It Xo
 .Nm
 .Cm history
@@ -1335,7 +1353,7 @@ Treat exported or foreign devices as inactive.
 .It Xo
 .Nm
 .Cm list
-.Op Fl Hv
+.Op Fl Hpv
 .Op Fl o Ar property Ns Op , Ns Ar ...
 .Op Fl T Cm d Ns | Ns Cm u
 .Op Ar pool
@@ -1371,6 +1389,8 @@ for unixtime
 .It Fl H
 Scripted mode. Do not display headers, and separate fields by a single tab
 instead of arbitrary space.
+.It Fl p
+Display numbers in parsable (exact) values.
 .It Fl v
 Show more detailed information.
 .It Fl o Ar property Ns Op , Ns Ar ...
diff --git a/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c b/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c
index 03c7b3beb621..bec5e7054401 100644
--- a/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c
+++ b/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c
@@ -236,7 +236,7 @@ get_usage(zpool_help_t idx) {
 	case HELP_LABELCLEAR:
 		return (gettext("\tlabelclear [-f] <vdev>\n"));
 	case HELP_LIST:
-		return (gettext("\tlist [-Hv] [-o property[,...]] "
+		return (gettext("\tlist [-Hpv] [-o property[,...]] "
 		    "[-T d|u] [pool] ... [interval [count]]\n"));
 	case HELP_OFFLINE:
 		return (gettext("\toffline [-t] <pool> <device> ...\n"));
@@ -258,8 +258,8 @@ get_usage(zpool_help_t idx) {
 		return (gettext("\tupgrade [-v]\n"
 		    "\tupgrade [-V version] <-a | pool ...>\n"));
 	case HELP_GET:
-		return (gettext("\tget <\"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:
@@ -2765,6 +2765,7 @@ typedef struct list_cbdata {
 	int		cb_namewidth;
 	boolean_t	cb_scripted;
 	zprop_list_t	*cb_proplist;
+	boolean_t	cb_literal;
 } list_cbdata_t;
 
 /*
@@ -2860,7 +2861,7 @@ print_pool(zpool_handle_t *zhp, list_cbdata_t *cb)
 			    zpool_get_prop_int(zhp, pl->pl_prop, NULL) == 0)
 				propstr = "-";
 			else if (zpool_get_prop(zhp, pl->pl_prop, property,
-			    sizeof (property), NULL) != 0)
+			    sizeof (property), NULL, cb->cb_literal) != 0)
 				propstr = "-";
 			else
 				propstr = property;
@@ -3011,12 +3012,13 @@ list_callback(zpool_handle_t *zhp, void *data)
 }
 
 /*
- * zpool list [-H] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]]
+ * zpool list [-Hp] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]]
  *
  *	-H	Scripted mode.  Don't display headers, and separate properties
  *		by a single tab.
  *	-o	List of properties to display.  Defaults to
  *		"name,size,allocated,free,capacity,health,altroot"
+ * 	-p	Diplay values in parsable (exact) format.
  *	-T	Display a timestamp in date(1) or Unix format
  *
  * List all pools in the system, whether or not they're healthy.  Output space
@@ -3037,7 +3039,7 @@ zpool_do_list(int argc, char **argv)
 	boolean_t first = B_TRUE;
 
 	/* check options */
-	while ((c = getopt(argc, argv, ":Ho:T:v")) != -1) {
+	while ((c = getopt(argc, argv, ":Ho:pT:v")) != -1) {
 		switch (c) {
 		case 'H':
 			cb.cb_scripted = B_TRUE;
@@ -3045,6 +3047,9 @@ zpool_do_list(int argc, char **argv)
 		case 'o':
 			props = optarg;
 			break;
+		case 'p':
+			cb.cb_literal = B_TRUE;
+			break;
 		case 'T':
 			get_timestamp_arg(*optarg);
 			break;
@@ -5199,7 +5204,7 @@ get_callback(zpool_handle_t *zhp, void *data)
 			}
 		} else {
 			if (zpool_get_prop(zhp, pl->pl_prop, value,
-			    sizeof (value), &srctype) != 0)
+			    sizeof (value), &srctype, cbp->cb_literal) != 0)
 				continue;
 
 			zprop_print_one_property(zpool_get_name(zhp), cbp,
@@ -5210,20 +5215,32 @@ 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 ret;
-
-	if (argc < 2) {
-		(void) fprintf(stderr, gettext("missing property "
-		    "argument\n"));
-		usage(B_FALSE);
-	}
+	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;
@@ -5231,10 +5248,89 @@ zpool_do_get(int argc, char **argv)
 	cb.cb_columns[3] = GET_COL_SOURCE;
 	cb.cb_type = ZFS_TYPE_POOL;
 
-	if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist,
+	/* check options */
+	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);
+			usage(B_FALSE);
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	if (argc < 1) {
+		(void) fprintf(stderr, gettext("missing property "
+		    "argument\n"));
+		usage(B_FALSE);
+	}
+
+	if (zprop_get_list(g_zfs, argv[0], &cb.cb_proplist,
 	    ZFS_TYPE_POOL) != 0)
 		usage(B_FALSE);
 
+	argc--;
+	argv++;
+
 	if (cb.cb_proplist != NULL) {
 		fake_name.pl_prop = ZPOOL_PROP_NAME;
 		fake_name.pl_width = strlen(gettext("NAME"));
@@ -5242,7 +5338,7 @@ zpool_do_get(int argc, char **argv)
 		cb.cb_proplist = &fake_name;
 	}
 
-	ret = for_each_pool(argc - 2, argv + 2, B_TRUE, &cb.cb_proplist,
+	ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist,
 	    get_callback, &cb);
 
 	if (cb.cb_proplist == &fake_name)
diff --git a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
index a1d78e21d11b..24131d68e71b 100644
--- a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
+++ b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
@@ -270,7 +270,7 @@ extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, const 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 *);
+    size_t proplen, zprop_source_t *, boolean_t);
 extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t,
     zprop_source_t *);
 
diff --git a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c
index 4abb105d25fb..abde59b01b28 100644
--- a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c
+++ b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c
@@ -2237,8 +2237,8 @@ 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
diff --git a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c
index 4a15267b6872..e691df19f1cc 100644
--- a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c
+++ b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c
@@ -240,7 +240,7 @@ zpool_pool_state_to_name(pool_state_t state)
  */
 int
 zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len,
-    zprop_source_t *srctype)
+    zprop_source_t *srctype, boolean_t literal)
 {
 	uint64_t intval;
 	const char *strval;
@@ -272,9 +272,7 @@ zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len,
 				(void) strlcpy(buf,
 				    zpool_get_prop_string(zhp, prop, &src),
 				    len);
-				if (srctype != NULL)
-					*srctype = src;
-				return (0);
+				break;
 			}
 			/* FALLTHROUGH */
 		default:
@@ -306,12 +304,22 @@ zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len,
 		case ZPOOL_PROP_FREE:
 		case ZPOOL_PROP_FREEING:
 		case ZPOOL_PROP_EXPANDSZ:
-			(void) zfs_nicenum(intval, buf, len);
+			if (literal) {
+				(void) snprintf(buf, len, "%llu",
+				    (u_longlong_t)intval);
+			} else {
+				(void) zfs_nicenum(intval, buf, len);
+			}
 			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_DEDUPRATIO:
@@ -407,7 +415,7 @@ 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);
 }
 
@@ -806,7 +814,7 @@ 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);
 		}