[Libguestfs] [PATCHv2 2/3] New API: part_set_disk_guid_random.

Provides a way to set a new randomly-generated GUID to disk. --- daemon/parted.c | 15 +++++++++++++++ generator/actions.ml | 15 +++++++++++++++ src/MAX_PROC_NR | 2 +- 3 files changed, 31 insertions(+), 1 deletion(-) diff --git a/daemon/parted.c b/daemon/parted.c index 40f9676..22cd92b 100644 --- a/daemon/parted.c +++ b/daemon/parted.c @@ -988,3 +988,18 @@ do_part_set_disk_guid (const char *device, const char *guid) return 0; } + +int +do_part_set_disk_guid_random (const char *device) +{ + CLEANUP_FREE char *err = NULL; + int r = commandf (NULL, &err, COMMAND_FLAG_FOLD_STDOUT_ON_STDERR, + str_sgdisk, device, "-U", "R", NULL); + + if (r == -1) { + reply_with_error ("%s %s -U R: %s", str_sgdisk, device, err); + return -1; + } + + return 0; +} diff --git a/generator/actions.ml b/generator/actions.ml index 62c4839..d345175 100644 --- a/generator/actions.ml +++ b/generator/actions.ml @@ -12830,6 +12830,21 @@ or if C<guid> is not a valid GUID." }; Return the disk identifier (GUID) of a GPT-partitioned C<device>. Behaviour is undefined for other partition types." }; + { defaults with + name = "part_set_disk_guid_random"; added = (1, 33, 2); + style = RErr, [Device "device"], []; + proc_nr = Some 461; + optional = Some "gdisk"; + tests = [ + InitGPT, Always, TestRun ( + [["part_set_disk_guid_random"; "/dev/sda"]]), []; + ]; + shortdesc = "set the GUID of a GPT-partitioned disk to random value"; + longdesc = "\ +Set the disk identifier (GUID) of a GPT-partitioned C<device> to +a randomly generated value. +Return an error if the partition table of C<device> isn't GPT." }; + ] (* Non-API meta-commands available only in guestfish. diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR index ccbd68f..408b885 100644 --- a/src/MAX_PROC_NR +++ b/src/MAX_PROC_NR @@ -1 +1 @@ -460 +461 -- 1.8.3.1