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contrib: Add dependency diagram of libguestfs ecosystem.

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Richard Jones
2010-04-30 12:27:00 +01:00
parent 2f9f337502
commit 90b4e24df6
4 changed files with 128 additions and 0 deletions
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contrib/README
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@@ -7,6 +7,12 @@ centos5.3-libguestfs.spec
from EL-5 here:
http://cvs.fedoraproject.org/viewvc/rpms/libguestfs/EL-5/
dependency-diagram/
A "dot" file (for graphviz) which describes the dependencies
between the many different components of the libguestfs
ecosystem. Good place to get started if you want to jump
into the code.
febootstrap/
[REMOVED]
An experimental, non-working attempt to use febootstrap

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diagram.png

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# libguestfs ecosystem dependency diagram
# Copyright (C) 2009-2010 Red Hat Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
all: diagram.png
diagram.png: diagram.dot
dot -Tpng -o$@ $<

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/* -*- C -*- */
/* libguestfs ecosystem dependency diagram
* Copyright (C) 2010 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* LAST UPDATE: 2010-04-30.
*
* If the current date is significantly later than the date above,
* then beware this diagram may be out of date.
*/
/* Note this diagram is greatly simplified.
*
* Some direct dependencies are omitted, if they are implied by
* indirect dependencies. eg. All the tools need perl &
* Sys::Guestfs, but if they have a dependency on Sys::Guestfs::Lib we
* only show that.
*
* Perl libraries which are not part of base perl are not shown (eg.
* XML::Writer).
*/
digraph G {
/* Top-level libguestfs tools and what they immediately depend on. */
"virt-cat" -> "Sys::Guestfs::Lib";
"virt-df" -> "Sys::Guestfs::Lib";
"virt-edit" -> "Sys::Guestfs::Lib";
"virt-list-filesystem" -> "Sys::Guestfs::Lib";
"virt-list-partitions" -> "Sys::Guestfs::Lib";
"virt-ls" -> "Sys::Guestfs::Lib";
"virt-make-fs" -> "Sys::Guestfs::Lib";
"virt-rescue" -> "Sys::Guestfs::Lib";
"virt-resize" -> "Sys::Guestfs::Lib";
"virt-tar" -> "Sys::Guestfs::Lib";
"virt-win-reg" -> "Sys::Guestfs::Lib";
"virt-win-reg" -> "Win::Hivex";
"virt-win-reg" -> "Win::Hivex::Regedit";
"virt-inspector" -> "Sys::Guestfs::Lib";
guestfish -> libguestfs;
guestfish -> "virt-inspector"; /* to implement -i option */
guestmount -> libguestfs;
guestmount -> libfuse;
/* virt-v2v (greatly simplified) */
"virt-v2v" -> "Sys::Guestfs";
"virt-v2v" -> "Sys::Guestfs::Lib";
"virt-v2v" -> "Sys::VirtV2V";
"Sys::VirtV2V" [label="Sys::VirtV2V\nMany dependencies\nnot shown"];
/* Perl bindings and libraries for libguestfs. */
"Sys::Guestfs" -> libguestfs;
"Sys::Guestfs" -> perl;
"Sys::Guestfs" [label="Sys::Guestfs\nPerl bindings for libguestfs"];
"Sys::Guestfs::Lib" -> "Sys::Guestfs";
"Sys::Guestfs::Lib" -> "Sys::Virt";
"Sys::Guestfs::Lib" -> "Win::Hivex";
"Sys::Guestfs::Lib" [label="Sys::Guestfs::Lib\nImage inspection and\nother useful functions"];
/* Libguestfs C library. */
libguestfs -> appliance -> "qemu or KVM";
libguestfs [label="libguestfs\nThe C library"];
/* Top-level hivex tools. */
hivexregedit -> "Win::Hivex";
hivexregedit -> "Win::Hivex::Regedit";
hivexsh -> libhivex;
hivexml -> libhivex;
hivexget -> hivexsh; /* This tool is obsolete now. */
/* Perl bindings and libraries for hivex. */
"Win::Hivex" -> libhivex;
"Win::Hivex" -> perl;
"Win::Hivex" [label="Win::Hivex\nPerl bindings for hivex"];
"Win::Hivex::Regedit" [label="Win::Hivex::Regedit\nregedit import/export"];
/* Hivex C library. */
libhivex [label="hivex\nThe C library"];
/* libvirt. */
"Sys::Virt" -> libvirt;
"Sys::Virt" -> perl;
"Sys::Virt" [label="Sys::Virt\nPerl bindings for libvirt"];
}