Add .zfs control directory
[zfs.git] / cmd / zpool / zpool_main.c
old mode 100644 (file)
new mode 100755 (executable)
index 3d28523..9e73dda
@@ -42,6 +42,8 @@
 #include <zone.h>
 #include <sys/fs/zfs.h>
 #include <sys/stat.h>
+#include <sys/fm/util.h>
+#include <sys/fm/protocol.h>
 
 #include <libzfs.h>
 
@@ -77,6 +79,7 @@ static int zpool_do_export(int, char **);
 static int zpool_do_upgrade(int, char **);
 
 static int zpool_do_history(int, char **);
+static int zpool_do_events(int, char **);
 
 static int zpool_do_get(int, char **);
 static int zpool_do_set(int, char **);
@@ -119,6 +122,7 @@ typedef enum {
        HELP_SCRUB,
        HELP_STATUS,
        HELP_UPGRADE,
+       HELP_EVENTS,
        HELP_GET,
        HELP_SET,
        HELP_SPLIT
@@ -167,6 +171,8 @@ static zpool_command_t command_table[] = {
        { "upgrade",    zpool_do_upgrade,       HELP_UPGRADE            },
        { NULL },
        { "history",    zpool_do_history,       HELP_HISTORY            },
+       { "events",     zpool_do_events,        HELP_EVENTS             },
+       { NULL },
        { "get",        zpool_do_get,           HELP_GET                },
        { "set",        zpool_do_set,           HELP_SET                },
 };
@@ -234,6 +240,8 @@ get_usage(zpool_help_t idx) {
                return (gettext("\tupgrade\n"
                    "\tupgrade -v\n"
                    "\tupgrade [-V version] <-a | pool ...>\n"));
+       case HELP_EVENTS:
+               return (gettext("\tevents [-vHfc]\n"));
        case HELP_GET:
                return (gettext("\tget <\"all\" | property[,...]> "
                    "<pool> ...\n"));
@@ -480,7 +488,7 @@ zpool_do_add(int argc, char **argv)
        }
 
        /* pass off to get_vdev_spec for processing */
-       nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun,
+       nvroot = make_root_vdev(zhp, NULL, force, !force, B_FALSE, dryrun,
            argc, argv);
        if (nvroot == NULL) {
                zpool_close(zhp);
@@ -680,7 +688,7 @@ zpool_do_create(int argc, char **argv)
        }
 
        /* pass off to get_vdev_spec for bulk processing */
-       nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun,
+       nvroot = make_root_vdev(NULL, props, force, !force, B_FALSE, dryrun,
            argc - 1, argv + 1);
        if (nvroot == NULL)
                goto errout;
@@ -1474,7 +1482,7 @@ show_import(nvlist_t *config)
        }
 
        if (msgid != NULL)
-               (void) printf(gettext("   see: http://www.sun.com/msg/%s\n"),
+               (void) printf(gettext("   see: http://zfsonlinux.org/msg/%s\n"),
                    msgid);
 
        (void) printf(gettext("config:\n\n"));
@@ -1525,7 +1533,9 @@ do_import(nvlist_t *config, const char *newname, const char *mntopts,
 
                if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID,
                    &hostid) == 0) {
-                       if ((unsigned long)hostid != gethostid()) {
+                       unsigned long system_hostid = gethostid() & 0xffffffff;
+
+                       if ((unsigned long)hostid != system_hostid) {
                                char *hostname;
                                uint64_t timestamp;
                                time_t t;
@@ -1584,7 +1594,7 @@ do_import(nvlist_t *config, const char *newname, const char *mntopts,
  *      -c     Read pool information from a cachefile instead of searching
  *             devices.
  *
- *       -d    Scan in a specific directory, other than /dev/dsk.  More than
+ *       -d    Scan in a specific directory, other than /dev/.  More than
  *             one directory can be specified using multiple '-d' options.
  *
  *       -D     Scan for previously destroyed pools or import all or only
@@ -1765,12 +1775,6 @@ zpool_do_import(int argc, char **argv)
            nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0)
                goto error;
 
-       if (searchdirs == NULL) {
-               searchdirs = safe_malloc(sizeof (char *));
-               searchdirs[0] = "/dev/dsk";
-               nsearch = 1;
-       }
-
        /* check argument count */
        if (do_all) {
                if (argc != 0) {
@@ -1791,7 +1795,9 @@ zpool_do_import(int argc, char **argv)
                if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) {
                        (void) fprintf(stderr, gettext("cannot "
                            "discover pools: permission denied\n"));
-                       free(searchdirs);
+                       if (searchdirs != NULL)
+                               free(searchdirs);
+
                        nvlist_free(policy);
                        return (1);
                }
@@ -1859,7 +1865,8 @@ zpool_do_import(int argc, char **argv)
        }
 
        if (err == 1) {
-               free(searchdirs);
+               if (searchdirs != NULL)
+                       free(searchdirs);
                nvlist_free(policy);
                return (1);
        }
@@ -1960,7 +1967,8 @@ error:
        nvlist_free(props);
        nvlist_free(pools);
        nvlist_free(policy);
-       free(searchdirs);
+       if (searchdirs != NULL)
+               free(searchdirs);
 
        return (err ? 1 : 0);
 }
@@ -2350,42 +2358,48 @@ zpool_do_iostat(int argc, char **argv)
                pool_list_update(list);
 
                if ((npools = pool_list_count(list)) == 0)
-                       break;
-
-               /*
-                * Refresh all statistics.  This is done as an explicit step
-                * before calculating the maximum name width, so that any
-                * configuration changes are properly accounted for.
-                */
-               (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb);
+                       (void) fprintf(stderr, gettext("no pools available\n"));
+               else {
+                       /*
+                        * Refresh all statistics.  This is done as an
+                        * explicit step before calculating the maximum name
+                        * width, so that any * configuration changes are
+                        * properly accounted for.
+                        */
+                       (void) pool_list_iter(list, B_FALSE, refresh_iostat,
+                               &cb);
 
-               /*
-                * Iterate over all pools to determine the maximum width
-                * for the pool / device name column across all pools.
-                */
-               cb.cb_namewidth = 0;
-               (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb);
+                       /*
+                        * Iterate over all pools to determine the maximum width
+                        * for the pool / device name column across all pools.
+                        */
+                       cb.cb_namewidth = 0;
+                       (void) pool_list_iter(list, B_FALSE, get_namewidth,
+                               &cb);
 
-               if (timestamp_fmt != NODATE)
-                       print_timestamp(timestamp_fmt);
+                       if (timestamp_fmt != NODATE)
+                               print_timestamp(timestamp_fmt);
 
-               /*
-                * If it's the first time, or verbose mode, print the header.
-                */
-               if (++cb.cb_iteration == 1 || verbose)
-                       print_iostat_header(&cb);
+                       /*
+                        * If it's the first time, or verbose mode, print the
+                        * header.
+                        */
+                       if (++cb.cb_iteration == 1 || verbose)
+                               print_iostat_header(&cb);
 
-               (void) pool_list_iter(list, B_FALSE, print_iostat, &cb);
+                       (void) pool_list_iter(list, B_FALSE, print_iostat, &cb);
 
-               /*
-                * If there's more than one pool, and we're not in verbose mode
-                * (which prints a separator for us), then print a separator.
-                */
-               if (npools > 1 && !verbose)
-                       print_iostat_separator(&cb);
+                       /*
+                        * If there's more than one pool, and we're not in
+                        * verbose mode (which prints a separator for us),
+                        * then print a separator.
+                        */
+                       if (npools > 1 && !verbose)
+                               print_iostat_separator(&cb);
 
-               if (verbose)
-                       (void) printf("\n");
+                       if (verbose)
+                               (void) printf("\n");
+               }
 
                /*
                 * Flush the output so that redirection to a file isn't buffered
@@ -2584,10 +2598,12 @@ zpool_do_list(int argc, char **argv)
                ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist,
                    list_callback, &cb);
 
-               if (argc == 0 && cb.cb_first && !cb.cb_scripted) {
-                       (void) printf(gettext("no pools available\n"));
+               if (argc == 0 && cb.cb_first)
+                       (void) fprintf(stderr, gettext("no pools available\n"));
+               else if (argc && cb.cb_first) {
+                       /* cannot open the given pool */
                        zprop_free_list(cb.cb_proplist);
-                       return (0);
+                       return (1);
                }
 
                if (interval == 0)
@@ -2675,7 +2691,7 @@ zpool_do_attach_or_replace(int argc, char **argv, int replacing)
                return (1);
        }
 
-       nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE,
+       nvroot = make_root_vdev(zhp, NULL, force, B_FALSE, replacing, B_FALSE,
            argc, argv);
        if (nvroot == NULL) {
                zpool_close(zhp);
@@ -3432,7 +3448,7 @@ print_dedup_stats(nvlist_t *config)
  *        pool: tank
  *     status: DEGRADED
  *     reason: One or more devices ...
- *         see: http://www.sun.com/msg/ZFS-xxxx-01
+ *         see: http://zfsonlinux.org/msg/ZFS-xxxx-01
  *     config:
  *             mirror          DEGRADED
  *                c1t0d0       OK
@@ -3640,7 +3656,7 @@ status_callback(zpool_handle_t *zhp, void *data)
        }
 
        if (msgid != NULL)
-               (void) printf(gettext("   see: http://www.sun.com/msg/%s\n"),
+               (void) printf(gettext("   see: http://zfsonlinux.org/msg/%s\n"),
                    msgid);
 
        if (config != NULL) {
@@ -3777,7 +3793,7 @@ zpool_do_status(int argc, char **argv)
                    status_callback, &cb);
 
                if (argc == 0 && cb.cb_count == 0)
-                       (void) printf(gettext("no pools available\n"));
+                       (void) fprintf(stderr, gettext("no pools available\n"));
                else if (cb.cb_explain && cb.cb_first && cb.cb_allpools)
                        (void) printf(gettext("all pools are healthy\n"));
 
@@ -4203,13 +4219,343 @@ zpool_do_history(int argc, char **argv)
            &cbdata);
 
        if (argc == 0 && cbdata.first == B_TRUE) {
-               (void) printf(gettext("no pools available\n"));
+               (void) fprintf(stderr, gettext("no pools available\n"));
                return (0);
        }
 
        return (ret);
 }
 
+typedef struct ev_opts {
+       int verbose;
+       int scripted;
+       int follow;
+       int clear;
+} ev_opts_t;
+
+static void
+zpool_do_events_short(nvlist_t *nvl)
+{
+       char ctime_str[26], str[32], *ptr;
+       int64_t *tv;
+       uint_t n;
+
+       verify(nvlist_lookup_int64_array(nvl, FM_EREPORT_TIME, &tv, &n) == 0);
+       memset(str, ' ', 32);
+       (void) ctime_r((const time_t *)&tv[0], ctime_str);
+       (void) strncpy(str,    ctime_str+4,  6);             /* 'Jun 30'     */
+       (void) strncpy(str+7,  ctime_str+20, 4);             /* '1993'       */
+       (void) strncpy(str+12, ctime_str+11, 8);             /* '21:49:08'   */
+       (void) sprintf(str+20, ".%09lld", (longlong_t)tv[1]);/* '.123456789' */
+       (void) printf(gettext("%s "), str);
+
+       verify(nvlist_lookup_string(nvl, FM_CLASS, &ptr) == 0);
+       (void) printf(gettext("%s\n"), ptr);
+}
+
+static void
+zpool_do_events_nvprint(nvlist_t *nvl, int depth)
+{
+       nvpair_t *nvp;
+
+       for (nvp = nvlist_next_nvpair(nvl, NULL);
+           nvp != NULL; nvp = nvlist_next_nvpair(nvl, nvp)) {
+
+               data_type_t type = nvpair_type(nvp);
+               const char *name = nvpair_name(nvp);
+
+               boolean_t b;
+               uint8_t i8;
+               uint16_t i16;
+               uint32_t i32;
+               uint64_t i64;
+               char *str;
+               nvlist_t *cnv;
+
+               printf(gettext("%*s%s = "), depth, "", name);
+
+               switch (type) {
+               case DATA_TYPE_BOOLEAN:
+                       printf(gettext("%s"), "1");
+                       break;
+
+               case DATA_TYPE_BOOLEAN_VALUE:
+                       (void) nvpair_value_boolean_value(nvp, &b);
+                       printf(gettext("%s"), b ? "1" : "0");
+                       break;
+
+               case DATA_TYPE_BYTE:
+                       (void) nvpair_value_byte(nvp, &i8);
+                       printf(gettext("0x%x"), i8);
+                       break;
+
+               case DATA_TYPE_INT8:
+                       (void) nvpair_value_int8(nvp, (void *)&i8);
+                       printf(gettext("0x%x"), i8);
+                       break;
+
+               case DATA_TYPE_UINT8:
+                       (void) nvpair_value_uint8(nvp, &i8);
+                       printf(gettext("0x%x"), i8);
+                       break;
+
+               case DATA_TYPE_INT16:
+                       (void) nvpair_value_int16(nvp, (void *)&i16);
+                       printf(gettext("0x%x"), i16);
+                       break;
+
+               case DATA_TYPE_UINT16:
+                       (void) nvpair_value_uint16(nvp, &i16);
+                       printf(gettext("0x%x"), i16);
+                       break;
+
+               case DATA_TYPE_INT32:
+                       (void) nvpair_value_int32(nvp, (void *)&i32);
+                       printf(gettext("0x%x"), i32);
+                       break;
+
+               case DATA_TYPE_UINT32:
+                       (void) nvpair_value_uint32(nvp, &i32);
+                       printf(gettext("0x%x"), i32);
+                       break;
+
+               case DATA_TYPE_INT64:
+                       (void) nvpair_value_int64(nvp, (void *)&i64);
+                       printf(gettext("0x%llx"), (u_longlong_t)i64);
+                       break;
+
+               case DATA_TYPE_UINT64:
+                       (void) nvpair_value_uint64(nvp, &i64);
+                       printf(gettext("0x%llx"), (u_longlong_t)i64);
+                       break;
+
+               case DATA_TYPE_HRTIME:
+                       (void) nvpair_value_hrtime(nvp, (void *)&i64);
+                       printf(gettext("0x%llx"), (u_longlong_t)i64);
+                       break;
+
+               case DATA_TYPE_STRING:
+                       (void) nvpair_value_string(nvp, &str);
+                       printf(gettext("\"%s\""), str ? str : "<NULL>");
+                       break;
+
+               case DATA_TYPE_NVLIST:
+                       printf(gettext("(embedded nvlist)\n"));
+                       (void) nvpair_value_nvlist(nvp, &cnv);
+                       zpool_do_events_nvprint(cnv, depth + 8);
+                       printf(gettext("%*s(end %s)"), depth, "", name);
+                       break;
+
+               case DATA_TYPE_NVLIST_ARRAY: {
+                       nvlist_t **val;
+                       uint_t i, nelem;
+
+                       (void) nvpair_value_nvlist_array(nvp, &val, &nelem);
+                       printf(gettext("(%d embedded nvlists)\n"), nelem);
+                       for (i = 0; i < nelem; i++) {
+                               printf(gettext("%*s%s[%d] = %s\n"),
+                                      depth, "", name, i, "(embedded nvlist)");
+                               zpool_do_events_nvprint(val[i], depth + 8);
+                               printf(gettext("%*s(end %s[%i])\n"),
+                                      depth, "", name, i);
+                       }
+                       printf(gettext("%*s(end %s)\n"), depth, "", name);
+                       }
+                       break;
+
+               case DATA_TYPE_INT8_ARRAY: {
+                       int8_t *val;
+                       uint_t i, nelem;
+
+                       (void) nvpair_value_int8_array(nvp, &val, &nelem);
+                       for (i = 0; i < nelem; i++)
+                               printf(gettext("0x%x "), val[i]);
+
+                       break;
+                       }
+
+               case DATA_TYPE_UINT8_ARRAY: {
+                       uint8_t *val;
+                       uint_t i, nelem;
+
+                       (void) nvpair_value_uint8_array(nvp, &val, &nelem);
+                       for (i = 0; i < nelem; i++)
+                               printf(gettext("0x%x "), val[i]);
+
+                       break;
+                       }
+
+               case DATA_TYPE_INT16_ARRAY: {
+                       int16_t *val;
+                       uint_t i, nelem;
+
+                       (void) nvpair_value_int16_array(nvp, &val, &nelem);
+                       for (i = 0; i < nelem; i++)
+                               printf(gettext("0x%x "), val[i]);
+
+                       break;
+                       }
+
+               case DATA_TYPE_UINT16_ARRAY: {
+                       uint16_t *val;
+                       uint_t i, nelem;
+
+                       (void) nvpair_value_uint16_array(nvp, &val, &nelem);
+                       for (i = 0; i < nelem; i++)
+                               printf(gettext("0x%x "), val[i]);
+
+                       break;
+                       }
+
+               case DATA_TYPE_INT32_ARRAY: {
+                       int32_t *val;
+                       uint_t i, nelem;
+
+                       (void) nvpair_value_int32_array(nvp, &val, &nelem);
+                       for (i = 0; i < nelem; i++)
+                               printf(gettext("0x%x "), val[i]);
+
+                       break;
+                       }
+
+               case DATA_TYPE_UINT32_ARRAY: {
+                       uint32_t *val;
+                       uint_t i, nelem;
+
+                       (void) nvpair_value_uint32_array(nvp, &val, &nelem);
+                       for (i = 0; i < nelem; i++)
+                               printf(gettext("0x%x "), val[i]);
+
+                       break;
+                       }
+
+               case DATA_TYPE_INT64_ARRAY: {
+                       int64_t *val;
+                       uint_t i, nelem;
+
+                       (void) nvpair_value_int64_array(nvp, &val, &nelem);
+                       for (i = 0; i < nelem; i++)
+                               printf(gettext("0x%llx "), (u_longlong_t)val[i]);
+
+                       break;
+                       }
+
+               case DATA_TYPE_UINT64_ARRAY: {
+                       uint64_t *val;
+                       uint_t i, nelem;
+
+                       (void) nvpair_value_uint64_array(nvp, &val, &nelem);
+                       for (i = 0; i < nelem; i++)
+                               printf(gettext("0x%llx "), (u_longlong_t)val[i]);
+
+                       break;
+                       }
+
+               case DATA_TYPE_STRING_ARRAY:
+               case DATA_TYPE_BOOLEAN_ARRAY:
+               case DATA_TYPE_BYTE_ARRAY:
+               case DATA_TYPE_DOUBLE:
+               case DATA_TYPE_UNKNOWN:
+                       printf(gettext("<unknown>"));
+                       break;
+               }
+
+               printf(gettext("\n"));
+       }
+}
+
+static int
+zpool_do_events_next(ev_opts_t *opts)
+{
+       nvlist_t *nvl;
+       int cleanup_fd, ret, dropped;
+
+        cleanup_fd = open(ZFS_DEV, O_RDWR);
+        VERIFY(cleanup_fd >= 0);
+
+       if (!opts->scripted)
+               (void) printf(gettext("%-30s %s\n"), "TIME", "CLASS");
+
+       while (1) {
+               ret = zpool_events_next(g_zfs, &nvl, &dropped,
+                   !!opts->follow, cleanup_fd);
+               if (ret || nvl == NULL)
+                       break;
+
+               if (dropped > 0)
+                       (void) printf(gettext("dropped %d events\n"), dropped);
+
+               zpool_do_events_short(nvl);
+
+               if (opts->verbose) {
+                       zpool_do_events_nvprint(nvl, 8);
+                       printf(gettext("\n"));
+               }
+
+               nvlist_free(nvl);
+       }
+
+        VERIFY(0 == close(cleanup_fd));
+
+       return (ret);
+}
+
+static int
+zpool_do_events_clear(ev_opts_t *opts)
+{
+       int count, ret;
+
+       ret = zpool_events_clear(g_zfs, &count);
+       if (!ret)
+               (void) printf(gettext("cleared %d events\n"), count);
+
+       return (ret);
+}
+
+/*
+ * zpool events [-vfc]
+ *
+ * Displays events logs by ZFS.
+ */
+int
+zpool_do_events(int argc, char **argv)
+{
+       ev_opts_t opts = { 0 };
+       int ret;
+       int c;
+
+       /* check options */
+       while ((c = getopt(argc, argv, "vHfc")) != -1) {
+               switch (c) {
+               case 'v':
+                       opts.verbose = 1;
+                       break;
+               case 'H':
+                       opts.scripted = 1;
+                       break;
+               case 'f':
+                       opts.follow = 1;
+                       break;
+               case 'c':
+                       opts.clear = 1;
+                       break;
+               case '?':
+                       (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+                           optopt);
+                       usage(B_FALSE);
+               }
+       }
+       argc -= optind;
+       argv += optind;
+
+       if (opts.clear)
+               ret = zpool_do_events_clear(&opts);
+       else
+               ret = zpool_do_events_next(&opts);
+
+       return ret;
+}
+
 static int
 get_callback(zpool_handle_t *zhp, void *data)
 {
@@ -4371,14 +4717,6 @@ main(int argc, char **argv)
        (void) setlocale(LC_ALL, "");
        (void) textdomain(TEXT_DOMAIN);
 
-       if ((g_zfs = libzfs_init()) == NULL) {
-               (void) fprintf(stderr, gettext("internal error: failed to "
-                   "initialize ZFS library\n"));
-               return (1);
-       }
-
-       libzfs_print_on_error(g_zfs, B_TRUE);
-
        opterr = 0;
 
        /*
@@ -4394,9 +4732,15 @@ main(int argc, char **argv)
        /*
         * Special case '-?'
         */
-       if (strcmp(cmdname, "-?") == 0)
+       if ((strcmp(cmdname, "-?") == 0) ||
+            strcmp(cmdname, "--help") == 0)
                usage(B_TRUE);
 
+       if ((g_zfs = libzfs_init()) == NULL)
+               return (1);
+
+       libzfs_print_on_error(g_zfs, B_TRUE);
+
        zpool_set_history_str("zpool", argc, argv, history_str);
        verify(zpool_stage_history(g_zfs, history_str) == 0);