fd1148f795
When set, run up to N copies of nbdcopy in parallel. This only applies for guests with multiple disks. The default, as for all older versions of virt-v2v, is to copy disks one at a time.
100 lines
4.2 KiB
OCaml
100 lines
4.2 KiB
OCaml
(* virt-v2v
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* Copyright (C) 2009-2024 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*)
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(** Utilities used in virt-v2v only. *)
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val large_tmpdir : string
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(** [VIRT_V2V_TMPDIR] or [/var/tmp]. Create all large temporary files
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such as overlays in this directory. Small temporary files can
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use the default behaviour eg. of {!Filename.temp_file} *)
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val string_of_process_status : Unix.process_status -> string
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(** Convert a process status (such as returned by {!Unix.wait}) into
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a printable string. *)
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val have_selinux : bool
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(** True if SELinux is enabled and enforcing on the host. *)
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val uri_quote : string -> string
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(** Take a string and perform %xx escaping as used in some parts of URLs. *)
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val kvm_arch : string -> string
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(** Map guest architecture found by inspection to the architecture
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that KVM must emulate. Note for x86 we assume a 64 bit hypervisor. *)
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val qemu_supports_sound_card : Types.source_sound_model -> bool
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(** Does qemu support the given sound card? *)
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val compare_app2_versions : Guestfs.application2 -> Guestfs.application2 -> int
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(** Compare two app versions. *)
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val du : string -> int64
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(** Return the true size of a file in bytes, including any wasted
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space caused by internal fragmentation (the overhead of using
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blocks).
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This can raise either [Failure] or [Invalid_argument] in case
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of errors. *)
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val qemu_img_supports_offset_and_size : unit -> bool
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(** Return true iff [qemu-img] supports the ["offset"] and ["size"]
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parameters to open a subset of a file. *)
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val backend_is_libvirt : unit -> bool
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(** Return true iff the current backend is libvirt. *)
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val chown_for_libvirt_rhbz_1045069 : string -> unit
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(** If running as root, and if the backend is libvirt, libvirt
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will run qemu as a non-root user. This prevents access
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to root-owned files and directories. To fix this, provide
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a function to chown things we might need to qemu:root so
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qemu can access them. Note that root normally ignores
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permissions so can still access the resource. *)
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val error_if_no_ssh_agent : unit -> unit
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val create_v2v_directory : unit -> string
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(** Create the directory containing inX and outX sockets. *)
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val wait_for_file : string -> int -> bool
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(** [wait_for_file filename timeout] waits up to [timeout] seconds for
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[filename] to appear. It returns [true] if the file appeared. *)
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val with_nbd_connect_unix : ?meta_contexts:string list ->
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socket:string ->
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(NBD.t -> 'a) ->
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'a
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(** [with_nbd_connect_unix socket meta_contexts f] calls function [f] with the
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NBD server at Unix domain socket [socket] connected, and the metadata
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contexts in [meta_contexts] requested (each of which is not necessarily
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supported by the server though). The connection is torn down either on
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normal return or if the function [f] throws an exception. *)
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val get_disk_allocated : dir:string -> disknr:int -> int64 option
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(** Callable only in the finalization step. [get_disk_allocated dir disknr]
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examines output disk [disknr] through the corresponding NBD server socket
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that resides in [dir]. Returns the number of bytes allocated in the disk
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image, according to the "base:allocation" metadata context. If the context
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is not supported by the NBD server behind the socket, the function returns
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None. *)
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val get_uefi_arch_suffix : string -> string option
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(** [get_uefi_arch_suffix arch] maps [arch] from [inspect.i_arch] representation
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to UEFI spec representation. If a mapping cannot be found, [None] is
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returned. *)
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