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This updates commit 1d999540bddd7aea7c2d0fef8b15223d4acc645f.
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This fixes commit 1d999540bddd7aea7c2d0fef8b15223d4acc645f.
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Instead of explicitly calling umount-all; sync, we add a daemon
function called internal-autosync which does the same.
Apart from slightly simplifying the process of closing the handle, the
main advantage is we can modify the daemon for the standalone case so
that internal-autosync does not do the umount-all operation.
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Also separate the call and return lines so that everything can be
easily 'grepped' from debug output. The trace output now looks like
this:
$ guestfish -x -N fs exit
libguestfs: trace: is_config
libguestfs: trace: is_config = 1
libguestfs: trace: add_drive "test1.img"
libguestfs: trace: add_drive = 0
libguestfs: trace: is_config
libguestfs: trace: is_config = 1
libguestfs: trace: launch
libguestfs: trace: launch = 0
libguestfs: trace: part_disk "/dev/sda" "mbr"
libguestfs: trace: part_disk = 0
&c.
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We used to maintain a global flag 'root_mounted' which tells us if the
user has mounted something on root (ie. on the sysroot directory).
This flag caused a lot of trouble (eg. RHBZ#599503) because it's hard
to keep the flag updated correctly when the user can do arbitrary
mounts and also use mkmountpoint.
Remove this flag and replace it with a test to see if something is
mounted on *or under* the sysroot. (It has to be *or under* because
of mkmountpoint and friends).
This also replaces a rather convoluted "have we mounted root yet"
check in the mount* APIs with a simpler check to see if the mountpoint
exists and is an ordinary directory.
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This allows the -O parameter to be added to the mkfs command line.
This is used to select filesystem features.
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Note there is no mkfs.ufs available for Fedora (see RHBZ#541618
for details).
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The FHS advises large files not to be stored in the root
filesystem[1], and that /var/tmp is persistent across reboots[2]
(whereas /tmp is possibly not[3]).
Therefore we should store the large cached supermin appliance in
/var/tmp instead of /tmp. /tmp is still used for all other temporary
files and directories.
In either case you can override this by setting $TMPDIR.
[1] http://www.pathname.com/fhs/pub/fhs-2.3.html#THEROOTFILESYSTEM
[2] http://www.pathname.com/fhs/pub/fhs-2.3.html#VARTMPTEMPORARYFILESPRESERVEDBETWEE
[3] http://www.pathname.com/fhs/pub/fhs-2.3.html#TMPTEMPORARYFILES
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On Debian we get this warning which I'm pretty sure is bogus:
fish.c:690: error: 'pcmd.cmd' may be used uninitialized in this
function [-Wuninitialized]
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The new guestfish construct "<! cmd" executes the shell command
"cmd", and then anything printed to stdout by "cmd" is parsed
and executed as a guestfish command.
This allows some very hairy shell scripting with guestfish.
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Factor out the code which splits a string into a command line.
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Note that 'time' and 'glob' (which both run subcommands) do not
correctly pass the exit_on_error flag in the remote case. This is not
a regression: the current code doesn't work either.
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For examples of the virt-inspector output, see the additional
inspector/example-*.xml files in this commit.
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This also bumps the file size limit for "small text files"
up to 2 MB, since we want to parse Windows CD txtsetup.sif
files that are usually around 500K in size.
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Previously it was including the final '/' character when calculating
the basename for the -a option eg:
Filesystem Size Used Available Use%
/Ubuntu1010x64:/dev/sda1 9.4G 2.3G 6.6G 25%
With this patch the '/' is not printed.
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Fix guestfish (and other C tools) so that they ignore errors
when /etc/fstab contains bogus entries.
Update the documentation for inspect-get-mountpoints to emphasize
that callers must be aware of this when mounting the returned
values.
Add a regression test.
Update the example code ("inspect_vm") to reflect the way this
API ought to be called.
For more detail see:
https://bugzilla.redhat.com/show_bug.cgi?id=668574
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If virt-filesystems was pointed to an image that contained
bogus or blank filesystems, then calls to vfs-label and/or vfs-uuid
could fail, resulting in errors like this:
libguestfs: error: vfs_label: /dev/vda1:
These errors can be ignored and shouldn't stop virt-filesystems
from working.
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This also adds a regression test.
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Although this doesn't seem to cause a crash, valgrind confirms
that this is a genuine off-by-one bug. It could potentially
cause a crash if you did:
echo 'echo ~root/foo' | guestfish
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Relatively trivial wrappers around the equivalent guestfish
commands. Change also includes new man pages.
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This a purpose patch to avoid the message "unknown filesystem /dev/hdc".
Where /dev/hdc is an entry in fstab for CDROM.
Example of fstab:
/dev/hdc /media/cdrom auto
pamconsole,exec,noauto,managed 0 0
https://bugzilla.redhat.com/show_bug.cgi?id=666577
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
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