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These two patches are the implementation of the guestfs_available API. 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

...doraproject.org/wiki/MinGW http://www.annexia.org/fedora_mingw -------------- next part -------------- >From c19ed5ee7ef8a818b7bdf737e6651b30ab700e66 Mon Sep 17 00:00:00 2001 From: Richard Jones <rjones at redhat.com> Date: Fri, 20 Nov 2009 13:06:49 +0000 Subject: [PATCH] availability: Add guestfs_available. Start a new API allowing groups of functions to be tested for availability. There are two reasons for this: (1) If libguestfs is built with missing dependencies (eg. no Augeas lib) then the corresponding functions are disabled in the appliance. Up till now there has been no way to test for thi...

...roups of functionality in the appliance, which not all builds of +the libguestfs appliance will be able to provide. + +The libguestfs groups, and the functions that those +groups correspond to, are listed in L<guestfs(3)/AVAILABILITY>. +You can also fetch this list at runtime by calling +C<guestfs_available_all_groups>. + +The argument C<groups> is a list of group names, eg: +C<[\"inotify\", \"augeas\"]> would check for the availability of +the Linux inotify functions and Augeas (configuration file +editing) functions. + +The command returns no error if I<all>...

-- 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 -------------- next part -------------- >From 59b13c6145cdd59fee78824769fffb2686b2813f Mon Sep 17

From: "Richard W.M. Jones" <rjones at redhat.com> Previously there was no programmatic way to tell if inspection APIs were unavailable because they are not compiled in (because hivex isn't around). This contrasts with daemon APIs where the availability is covered by the guestfs_available API. Change the inspection APIs so that when they are not available, the last errno is set to ENOTSUP. (Note that ENOTSUP must be defined on all POSIX platforms). This allows programs to detect if they are using a version of libguestfs that was compiled without support for inspection, without ha...

The existing mechanism was clunky, slow and used ~ 10 MB of local disk. Rich.

This patch set fixes a two year old bug in guestfish, namely that the 'glob' command does not expand /dev/* patterns. https://bugzilla.redhat.com/show_bug.cgi?id=635971 Rich.

The first patch preserves file mode, UID, GID and SELinux context across edited files. The second patch adds a useful new command in guestfish ('llz') which shows SELinux context (like 'ls -laZ') that was useful when debugging this. Rich.

...ernal_available"; added = (1, 31, 25); - style = RErr, [StringList "groups"], []; - proc_nr = Some 458; - visibility = VInternal; - shortdesc = "test availability of some parts of the API"; - longdesc = "\ -This is the internal call which implements C<guestfs_available>." }; - - { defaults with name = "internal_feature_available"; added = (1, 31, 25); - style = RBool "isavailable", [StringList "groups"], []; - proc_nr = Some 459; + style = RInt "result", [String "group"], []; + proc_nr =...

.../generator/actions.ml b/generator/actions.ml index 24c6eb7..5b6898c 100644 --- a/generator/actions.ml +++ b/generator/actions.ml @@ -3504,6 +3504,22 @@ call it returns a simple true/false boolean result, instead of throwing an exception if a feature is not found. For other documentation see C<guestfs_available>." }; + { defaults with + name = "get_sockdir"; added = (1, 33, 8); + style = RString "sockdir", [], []; + blocking = false; + shortdesc = "get the temporary directory for sockets"; + longdesc = "\ +Get the directory used by the handle to...

.../generator/actions.ml b/generator/actions.ml index 24c6eb7..4078082 100644 --- a/generator/actions.ml +++ b/generator/actions.ml @@ -3504,6 +3504,22 @@ call it returns a simple true/false boolean result, instead of throwing an exception if a feature is not found. For other documentation see C<guestfs_available>." }; + { defaults with + name = "get_sockdir"; added = (1, 33, 8); + style = RString "sockdir", [], []; + blocking = false; + shortdesc = "get the temporary directory for sockets"; + longdesc = "\ +Get the directory used by the handle to...

Introduce an internal helper to create paths for sockets -- will be useful for changing later the logic for placing sockets. Futhermore, check that the length of sockets won't overflow the buffer for their filenames. --- src/guestfs-internal.h | 1 + src/launch-direct.c | 4 +++- src/launch-libvirt.c | 10 ++++++---- src/launch.c | 17 +++++++++++++++++ 4 files changed, 27

...ot;memsize"; ConfigOnly], [InitNone, Always, TestOutputInt ( [["set_memsize"; "500"]; ["get_memsize"]], 500)], @@ -451,7 +451,7 @@ features from later versions into earlier versions, making this an unreliable way to test for features. Use C<guestfs_available> instead."); - ("set_selinux", (RErr, [Bool "selinux"], []), -1, [FishAlias "selinux"], + ("set_selinux", (RErr, [Bool "selinux"], []), -1, [FishAlias "selinux"; ConfigOnly], [InitNone, Always, TestOutputTrue ( [[&qu...

Introduce an internal helper to create paths for sockets; will be useful for changing later the logic for placing sockets. --- src/guestfs-internal.h | 1 + src/launch-direct.c | 4 +++- src/launch-libvirt.c | 10 ++++++---- src/launch.c | 15 +++++++++++++++ 4 files changed, 25 insertions(+), 5 deletions(-) diff --git a/src/guestfs-internal.h b/src/guestfs-internal.h index

This is a further, more comprehensive fix for https://bugzilla.redhat.com/show_bug.cgi?id=788641 The guestfish 'edit' command (aka 'emacs', 'vi') suffered from the same problems as virt-edit and more. It could have failed and left a partially overwritten file, and it didn't preserve permissions etc from the original file. These three patches fix all this. The first

...able SELinux support for the guest. +This option is provided for backwards compatibility and does nothing. =item B<-v> diff --git a/generator/actions.ml b/generator/actions.ml index 49c360c..0621350 100644 --- a/generator/actions.ml +++ b/generator/actions.ml @@ -645,6 +645,7 @@ Use C<guestfs_available> or C<guestfs_feature_available> instead." }; style = RErr, [Bool "selinux"], []; fish_alias = ["selinux"]; config_only = true; blocking = false; + deprecated_by = None; shortdesc = "set SELinux enabled or disabled at appliance boot&quot...

...able SELinux support for the guest. +This option is provided for backwards compatibility and does nothing. =item B<-v> diff --git a/generator/actions.ml b/generator/actions.ml index 49c360c..a86d47a 100644 --- a/generator/actions.ml +++ b/generator/actions.ml @@ -645,6 +645,7 @@ Use C<guestfs_available> or C<guestfs_feature_available> instead." }; style = RErr, [Bool "selinux"], []; fish_alias = ["selinux"]; config_only = true; blocking = false; + deprecated_by = Some "setfiles"; shortdesc = "set SELinux enabled or disabled a...

We can use the setfiles(8) command to relabel the guest filesystem, even though we don't have a policy loaded nor SELinux enabled in the appliance kernel. This also deprecates or removes the old and broken SELinux support. This patch isn't quite complete - I would like to add some tests to the new API. I'm posting here to garner early feedback. Rich.

This set of patches fixes virt-rescue rather cleanly. In particular the problems with handling ^C are completely fixed. Work still to be done before this can go upstream: - Shutdown doesn't work properly if you exit the shell. At the moment to exit you must do 'reboot -f'. Future improvements: - An escape sequence and escape commands that could be handled by virt-rescue,

This fixes the main issues in virt-rescue and is usable. There are some enhancements which could be made (in follow up work): - An escape sequence and escape commands that could be handled by virt-rescue, eg. to shut down the appliance, mount or unmount filesystems. - `virt-rescue -i' could be implemented cleanly by performing the right API calls before handing control to the