| Commit message (Collapse) | Author | Age | Files | Lines |
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List Debian packages by downloading and parsing the file
/var/lib/dpkg/status.
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Cached appliances are discovered by their predictable path. Previously we were
creating a cached appliance directly in this predictable path. This had at least
2 undesirable effects:
* Interrupting appliance creation would leave a corrupt appliance
* 2 processes could simultaneously attempt to create the same appliance, causing
corruption.
This patch causes the cached appliance to be created in a temporary directory,
and then renamed to the predictable path. As rename is an atomic operation, this
makes the whole creation atomic.
This patch also changes the predictable path to have a prefix of 'guestfs.'.
This will make it simpler for system administrators to clean up old cached
appliances.
This patch resolves RHBZ#639405
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Use febootstrap-supermin-helper's new -u and -g command line options to setuid,
rather than doing it in libguestfs.
This resolves an issue with the generation of the cached appliance checksum. The
checksum was being generated by a call to febootstrap-supermin-helper through
popen(). Unfortunately, a bash misfeature meant that euid would be reset to uid,
and the checksum was generated for uid, not euid. When virt-v2v is writing to a
RHEV target, uid == 0 and euid == 36, which resulted in a cached appliance being
created for root with permissions for uid 36.
Note this requires febootstrap 2.10.
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A side-effect of change 17e7cb9937a63ed8f9bb0fb6ac7302758be76846 was the the
febootstrap-supermin-helper was no longer logged. This change adds it back using
the new guestfs___print_timestamped_argv internal function.
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This function generalises the existing print_cmdline used to output the qemu
command line to output any given command line, and exports it to other modules.
It also adds a timestamp to the old print_cmdline output for consistency with
guestfs___print_timestamped_message.
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Change virt-list-filesystems to use the core inspection API
instead of the deprecated Sys::Guestfs::Lib::get_partitions
function.
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However the code is left since this function is used
by virt-v2v amongst others.
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Rewrite virt-inspector:
- remove old and unsupportable features
- use the C inspection API
- don't run programs from the guest
The RNG has been updated to reflect the new XML-only output.
The new example files show the new XML output.
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Update the following tools to use the C API for inspection:
- virt-cat
- virt-edit
- virt-ls
- virt-tar
- virt-win-reg
None of the tools in the tools/ directory now use the deprecated
Perl inspection APIs.
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We are already using heuristics in the C inspection code to
determine the Windows %SYSTEMROOT% directory. This change
just exposes this information through the API.
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Deprecate the guest inspection functions in this module, remove
documentation, and point users at the core API functions instead.
However we will keep the code here since it is used by virt-v2v
and virt-inspector.
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Make the LV paths returned by these two commands canonical.
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This was probably not a security issue, but this change
makes the code cleaner by not opening the tmp file twice.
Also be more careful about error checking in close syscall.
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ocaml/.depend is automatically generated. This patch removes it from git.
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This test has started to hang, for reasons we don't understand.
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In guestfish, factor out the processing of the options -a, -c,
-d, -i, -m, -n, -r, -v, -V, -x into a separate set of files:
options.c, options.h, inspect.c, virt.c.
Change guestmount so that it uses these same files (from the
../fish directory) to process the same options.
This unifies the handling of these options between the two programs.
It also adds the useful inspection feature to guestmount, so you
can now do:
guestmount -d Guest -i --ro mnt/
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The --with-repo parameter is also used by Debian to specify
the Debian software repository, so remove references to
Fedora.
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There's no need to have the appliance filename contain the
repository name it was built from, and this change gives
downstream users more freedom to mix and match libraries
and appliances if they want to.
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With this patch, /dev/mapper paths do not appear in the output
of guestfs_inspect_os, as you can see from this example:
Welcome to guestfish, the libguestfs filesystem interactive shell for
editing virtual machine filesystems.
Type: 'help' for a list of commands
'man' to read the manual
'quit' to quit the shell
Operating system: Fedora release 13 (Goddard)
/dev/vg_f13x64/lv_root mounted on / <--- NB
/dev/vda1 mounted on /boot
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When logical volume names appear in places like /etc/fstab
files they can have the form "/dev/mapper/foo-bar". This
function takes such names and makes them canonical.
Note that this operation cannot be performed using the current
API, because 'guestfs_stat' does not work on device names, and
we don't really want to make a 'stat-device' call since that
exposes too much non-useful detail about the appliance.
With this patch you can do this:
><fs> debug ll /dev/mapper
total 8
drwxrwxr-x 2 root root 4096 Oct 25 12:51 .
drwxr-xr-x 16 root root 4096 Oct 25 12:51 ..
crw------- 1 root root 10, 62 Oct 25 12:51 control
lrwxrwxrwx 1 root root 7 Oct 25 12:51 vg_f13x64-lv_root -> ../dm-0
lrwxrwxrwx 1 root root 7 Oct 25 12:51 vg_f13x64-lv_swap -> ../dm-1
><fs> lvm-canonical-lv-name /dev/mapper/vg_f13x64-lv_root
/dev/vg_f13x64/lv_root
><fs> lvm-canonical-lv-name /dev/mapper/vg_f13x64-lv_swap
/dev/vg_f13x64/lv_swap
><fs> lvm-canonical-lv-name /dev/mapper/foo
libguestfs: error: lvm_canonical_lv_name: lvm_canonical_lv_name_stub: /dev/mapper/foo: No such file or directory
><fs> lvm-canonical-lv-name /dev/mapper/control
libguestfs: error: lvm_canonical_lv_name: /dev/mapper/control: not a logical volume
><fs> lvm-canonical-lv-name /dev/vg_f13x64/lv_root
/dev/vg_f13x64/lv_root
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This enables networking in the rescue shell.
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Since the ext2-based appliance is cached, and since it is not
all loaded into memory (as with the initrd), we might as well
put all the kernel modules in there.
Note the kmod.whitelist.in file is still used for building the
ordinary appliance.
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Commit 4963be85 re-introduced networking to the appliance,
but didn't configure the custom network the appliance expects
since we switched to link local addressing. This patch
configures QEMU to use the custom network again.
Note that you still need to use guestfs_set_network (g, 1)
to enable user networking.
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The example below shows what the output looks like for a large
random buffer.
$ guestfish -N fs -m /dev/sda1 -x -- \
touch /test : \
pwrite /test "$(dd if=/dev/urandom bs=128k count=1)" 0
[...]
pwrite "/test" "\x7f\xa0/\xb3\x80\xd3\xbc\xc3\xc3.\xb1\xe0\x1b\xafC\x06\xd5;\x0ajJ[o\xc1\xdd\xae\x1f\xce\xb2\x8d\xb3\xd0\x11\xcc$%\xe6<\xc7\xc7\xe7BU*\xc4l%\xaa\xea\xe9\x1an\xda]\xc6I\x0eC\xf9;\xec\x12a\x1f\xeaRH\xb2P\xd6+\xc4\xe6\xa5bW\x99\\x9d\xc8\x9bJ\xef\x99-\x16:h5\xe2\x0f\xa2\xa08\x9bU\x0b$\x138\xcf\xd4j\x9b\x83{%\xac0\xdaa1Xx\xbd`\x8e\xdd\x82\x87\x07\x98\xd2\x9ed\x8bq\xd0\x1f5\x8f\xab\xad4z1\xda\xc4b\xc1\xbc\x0f\xaa\xea\xc1\x15(\xfd1\xc2\x0bF\xe6\x9e\xb0+/g\\xab\xb0b\xde_\xca\xf9\xad\xe1?%\x17\xad\x98\xa4e\xc1\xe0f'\x89\xe9>\xff\xadhYi\xe7\x8c]%\xef\xe0\xa1R\xe5\xd5\x03K\xefI\xdf\xad\xd3\x82\xdb\x0f\xdd\xc3\x8f"\xf1G\xea\xf9r\xdd\xff\x88\x81\xb7\xf2\x0e\x0f\x1d;:\xf2F1\xdb\xb5D\xa1^\x928\xf5\x8e)\xab\xc4\xc3H(\xd0ol\xc6\xe4\xd6\xa3L\x1c\x06\xf4"<truncated, original size 130567 bytes> 0
[...]
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