[Libguestfs] [PATCH 5/5] New API: btrfstune_set_uuid_random

[Chen Hanxiao]

Signed-off-by: Chen Hanxiao <chenhanxiao at cn.fujitsu.com>
---
 daemon/btrfs.c       | 21 +++++++++++++++++++++
 generator/actions.ml | 18 ++++++++++++++++++
 src/MAX_PROC_NR      |  2 +-
 3 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/daemon/btrfs.c b/daemon/btrfs.c
index b82c1b9..e4d8b64 100644
--- a/daemon/btrfs.c
+++ b/daemon/btrfs.c
@@ -867,6 +867,27 @@ btrfstune_set_uuid (const char *device, const char *uuid)
   return 0;
 }
 
+int
+do_btrfstune_set_uuid_random (const char *device)
+{
+  CLEANUP_FREE char *err = NULL;
+  int r;
+  int has_uuid_opts = test_btrftune_uuid_opt();
+
+  if (has_uuid_opts == 0) {
+    reply_with_error ("btrfstune do not support '-u'");
+    return -1;
+  }
+
+  r = commandr (NULL, &err, str_btrfstune, "-u", device, NULL);
+  if (r == -1) {
+    reply_with_error("%s: %s", device, err);
+    return -1;
+  }
+
+  return 0;
+}
+
 /* Takes optional arguments, consult optargs_bitmask. */
 int
 do_btrfs_fsck (const char *device, int64_t superblock, int repair)
diff --git a/generator/actions.ml b/generator/actions.ml
index d5e5ccf..329b388 100644
--- a/generator/actions.ml
+++ b/generator/actions.ml
@@ -12593,6 +12593,24 @@ numbered C<partnum> on device C<device>.
 
 It returns C<primary>, C<logical>, or C<extended>." };
 
+  { defaults with
+    name = "btrfstune_set_uuid_random"; added = (1, 29, 47);
+    style = RErr, [Device "device"], [];
+    proc_nr = Some 455;
+    optional = Some "btrfs"; camel_name = "BTRFSTuneSetUuidRandom";
+    tests = [
+      InitPartition, Always, TestRun (
+        [["part_init"; "/dev/sda"; "mbr"];
+         ["part_add"; "/dev/sda"; "p"; "64"; "204799"];
+         ["mkfs_btrfs"; "/dev/sda1"; ""; ""; "NOARG"; ""; "NOARG"; "NOARG"; ""; ""];
+         ["btrfstune_set_uuid_random"; "/dev/sda1"]]), []
+    ];
+
+    shortdesc = "change fsid to a random generated UUID";
+    longdesc = "\
+    Change fsid to a randomly generated UUID or continue previous fsid change
+    operation in case it was interrupted." };
+
 ]
 
 (* Non-API meta-commands available only in guestfish.
diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR
index 515f19a..4930863 100644
--- a/src/MAX_PROC_NR
+++ b/src/MAX_PROC_NR
@@ -1 +1 @@
-454
+455
-- 
2.1.0