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If either the daemon sends back an errno, or a system call
fails in the library, save the errno in the handle and then
make it available to callers through the guestfs_last_errno
function.
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This changes the protocol again so that if the errno is available,
it is converted to a string (like "EIO") and sent back over the
protocol to the library.
In this commit the library just discards the string.
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I have no idea why we were doing this.
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By exporting LIBGUESTFS_PATH with the right path to the appliance,
we no longer need to hard code the path in tests.c
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These macros are already defined in guestfs-internals.h
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This file is already hard-linked into the current directory, so
the relative path is not required.
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Some older tests used sfdisk to create partitions for the
tests. sfdisk is buggy (more so than parted -- what is it
with partitioning tools?) so replace these tests with
equivalent part-* commands.
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See commit 840536ea5a0568296dfd3e483442c76b93c5a949
and commit 956fc5a3feacc970ea763697bf28fb686c875408.
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This is indirectly required via the new shared guestfish
C inspection code by libxml2.
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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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