March 2010 - Libguestfs - Libguestfs List Archives

Observations on compiling on Mac OS X 10.5 (Leopard)

by Richard W.M. Jones

I started with: - Mac OS X 10.5.8 - Xcode installed - OCaml from GODI - qemu from git autoconf is really ancient (2.61). It doesn't have AM_SILENT_RULES and although we tried to make things work when autoconf lacks this by having: m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])]) AM_SILENT_RULES([yes]) # make --enable-silent-rules the default. this nevertheless doesn't work. I had to comment out these two lines in both configure.ac and daemon/configure.ac. There is no libtoolize. I had to manually link build-aux/ltmain.sh -> /usr/share/libtool/ltmain.sh There is no autopoint. I think this is the reason I had to manually remove references to the po/ subdirectory. There is no mkisofs. I commented out the test for this in configure.ac, but eventually I'll have to find out if this is available for Mac OS X because it is relatively important (used by libguestfs-test-tool amongst other things). There is no qemu, but I was able to compile and use qemu from git. There is an additional problem which is that 'qemu --help' opens (very briefly) a toplevel window. We run 'qemu --help' and 'qemu --version' at configure time and at run time in order to determine qemu features and version, so we'll need to add the '-nographic' option [patch coming up]. I have added --disable-daemon and --disable-appliance options to 'configure' [patch coming up]. No pkgconfig, therefore no PKG_CHECK_MODULES. I commented out these two tests temporarily. The shell which runs configure is not bash, and so it doesn't understand the 'echo -n' flag that we use in the configure script. For example: echo -n "OCaml bindings ...................... " if test "x$HAVE_OCAML_TRUE" = "x"; then echo "yes"; else echo "no"; fi produces the output: -n OCaml bindings ...................... yes I was able to get all the way through ./configure --disable-appliance --disable-daemon with the following results: Daemon .............................. no Appliance ........................... no QEMU ................................ /Users/rich/bin/qemu OCaml bindings ...................... yes Perl bindings ....................... no Python bindings ..................... no Ruby bindings ....................... yes Java bindings ....................... no Haskell bindings .................... no virt-inspector ...................... no virt-* tools ........................ no supermin appliance .................. no FUSE filesystem ..................... no GODI has a strange layout for OCaml packages; a small OS X-specific hack was required to src/generator.ml to cope with this. OS X version of XDR doesn't support 64 bit / hyper type. Known problem and PortableXDR should be able to supply a replacement. I copied src/guestfs_protocol.[ch] from a Fedora machine temporarily, but the complete solution is to use PortableXDR. There's a few other portability problems in the code which I have fixed [patches coming up]. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-top is 'top' for virtual machines. Tiny program with many powerful monitoring features, net stats, disk stats, logging, etc. http://et.redhat.com/~rjones/virt-top

14 years, 8 months

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[PATCH] ESX: Enable verification of SSL certificates

by Matthew Booth

Fix a bug which would have prevented an SSL certification from ever being verified. --- lib/Sys/VirtV2V/Transfer/ESX.pm | 15 ++++++++------- 1 files changed, 8 insertions(+), 7 deletions(-) diff --git a/lib/Sys/VirtV2V/Transfer/ESX.pm b/lib/Sys/VirtV2V/Transfer/ESX.pm index 1da382a..66ba515 100644 --- a/lib/Sys/VirtV2V/Transfer/ESX.pm +++ b/lib/Sys/VirtV2V/Transfer/ESX.pm @@ -53,7 +53,7 @@ our %handles; sub new { my $class = shift; - my ($server, $username, $password, $pool, $verify) = @_; + my ($server, $username, $password, $target, $noverify) = @_; my $self = $class->SUPER::new( agent => 'virt-v2v/'.$Sys::VirtV2V::VERSION, @@ -65,7 +65,7 @@ sub new { my ($response, $self, $h) = @_; if ($response->is_success) { - $self->verify_certificate($response) if ($verify); + $self->verify_certificate($response) unless ($noverify); $self->create_volume($response); } }); @@ -75,14 +75,14 @@ sub new { $self->{_v2v_username} = $username; $self->{_v2v_password} = $password; - if ($verify) { + if ($noverify) { + # Unset HTTPS_CA_DIR if it is already set + delete($ENV{HTTPS_CA_DIR}); + } else { # Leave HTTPS_CA_DIR alone if it is already set # Setting HTTPS_CA_DIR to the empty string results in it using the # compiled-in default paths $ENV{HTTPS_CA_DIR} = "" unless (exists($ENV{HTTPS_CA_DIR})); - } else { - # Unset HTTPS_CA_DIR if it is already set - delete($ENV{HTTPS_CA_DIR}); } die("Invalid configuration of Net::HTTPS") @@ -330,7 +330,8 @@ sub transfer my $ua = Sys::VirtV2V::Transfer::ESX::UA->new($conn->{hostname}, $username, $password, - $pool); + $pool, + $noverify); return $ua->get_volume($path); } -- 1.6.6.1

14 years, 8 months

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Re: [Libguestfs] [RFC] Unify KVM kernel-space and user-space code into a single project

by Richard W.M. Jones

On Mon, Mar 22, 2010 at 02:56:47PM +0100, Ingo Molnar wrote: > Just curious: any plans to extend this to include live read/write access as > well? > > I.e. to have the 'agent' (guestfsd) running universally, so that > tools such as perf and by users could rely on the VFS integration as > well, not just disaster recovery tools? Totally. That's not to say there is a definite plan, but we're very open to doing this. We already wrote the daemon in such a way that it doesn't require the appliance part, but could run inside any existing guest (we've even ported bits of it to Windoze ...). The only remaining issue is how access control would be handled. You obviously wouldn't want anything in the host that can get access to the vmchannel socket to start sending destructive write commands into guests. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-df lists disk usage of guests without needing to install any software inside the virtual machine. Supports Linux and Windows. http://et.redhat.com/~rjones/virt-df/

14 years, 8 months

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[PATCH FOR DISCUSSION ONLY] virt-resize tool for resizing virtual machines.

by Richard W.M. Jones

Unfinished patch to implement virt-resize. The concept is solid. It just needs a little more thought as to exactly how containers [of containers] expand and shrink in response to user requests. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones libguestfs lets you edit virtual machines. Supports shell scripting, bindings from many languages. http://et.redhat.com/~rjones/libguestfs/ See what it can do: http://et.redhat.com/~rjones/libguestfs/recipes.html

14 years, 8 months

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[PATCH 0/3] Three final patches which fix build issues on Mac OS X

by Richard W.M. Jones

With these I'm able to get all the way to the end of the build on OS X 10.5. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-df lists disk usage of guests without needing to install any software inside the virtual machine. Supports Linux and Windows. http://et.redhat.com/~rjones/virt-df/

14 years, 8 months

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[PATCH 0/4] Another four patches to get guestfish working

by Richard W.M. Jones

With these, I was able to compile guestfish. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-p2v converts physical machines to virtual machines. Boot with a live CD or over the network (PXE) and turn machines into Xen guests. http://et.redhat.com/~rjones/virt-p2v

14 years, 8 months

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[PATCH] Mac OS X: Use gnulib setenv module explicitly.

by Richard W.M. Jones

-- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming blog: http://rwmj.wordpress.com Fedora now supports 80 OCaml packages (the OPEN alternative to F#) http://cocan.org/getting_started_with_ocaml_on_red_hat_and_fedora

14 years, 8 months

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Gnulib setenv on Mac OS X bug?

by Richard W.M. Jones

There seems to be a bug in Gnulib's setenv module on Mac OS X. At configure time it says: checking whether setenv validates arguments ... no (The test program it is running is: | int | main () | { | | if (setenv ("", "", 0) != -1) return 1; | if (errno != EINVAL) return 2; | if (setenv ("a", "=", 1) != 0) return 3; | if (strcmp (getenv ("a"), "=") != 0) return 4; | | ; | return 0; | } and this returns status code 4) As a result, in stdlib.h, this: #if @GNULIB_SETENV@ # if @REPLACE_SETENV@ # undef setenv # define setenv rpl_setenv is replaced by: #if 1 # if 1 # undef setenv # define setenv rpl_setenv However, no rpl_setenv function is getting generated in libgnu.a, so of course the program fails to link. Any ideas? Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones New in Fedora 11: Fedora Windows cross-compiler. Compile Windows programs, test, and build Windows installers. Over 70 libraries supprt'd http://fedoraproject.org/wiki/MinGW http://www.annexia.org/fedora_mingw

14 years, 8 months

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[PATCH] Mac OS X: Disable null vmchannel implementation.

by Richard W.M. Jones

And with that, guestfish works on Mac OS X. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones New in Fedora 11: Fedora Windows cross-compiler. Compile Windows programs, test, and build Windows installers. Over 70 libraries supprt'd http://fedoraproject.org/wiki/MinGW http://www.annexia.org/fedora_mingw

14 years, 8 months

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[PATCH] appliance: Run depmod to create modules.dep for the kernel.

by Richard W.M. Jones

Turns out the normal (non-supermin) appliance has been broken for a little while, because modules.dep was no longer being built. With this fix in the appliance (applied to a Fedora machine), I am now able to get as far on Mac OS X as booting the appliance and establishing a network connection with the daemon. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming blog: http://rwmj.wordpress.com Fedora now supports 80 OCaml packages (the OPEN alternative to F#) http://cocan.org/getting_started_with_ocaml_on_red_hat_and_fedora

14 years, 8 months

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Libguestfs March 2010