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Without these two string changes in generator.py, the
virGetLastError wrapper does not get created in
/usr/share/pyshared/libvirt.py. Noticed when running
tests with virt-install.
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
https://bugzilla.redhat.com/show_bug.cgi?id=895882
virDomainSnapshot.getDomain() and virDomainSnapshot.getConnect()
wrappers around virDomainSnapshotGet{Domain,Connect} were not supposed
to be ever implemented. The class should contain proper domain() and
connect() accessors that fetch python objects stored internally within
the class. While domain() was already provided, connect() was missing.
This patch adds connect() method to virDomainSnapshot class and
reimplements getDomain() and getConnect() methods as aliases to domain()
and connect() for backward compatibility.
Working with virTypedParameters in clients written in C is ugly and
requires all clients to duplicate the same code. This set of APIs makes
this code for manipulating with virTypedParameters integral part of
libvirt so that all clients may benefit from it.
This patch introduces support for LXC specific public APIs. In
common with what was done for QEMU, this creates a libvirt_lxc.so
library and libvirt/libvirt-lxc.h header file.
The actual APIs are
int virDomainLxcOpenNamespace(virDomainPtr domain,
int **fdlist,
unsigned int flags);
int virDomainLxcEnterNamespace(virDomainPtr domain,
unsigned int nfdlist,
int *fdlist,
unsigned int *noldfdlist,
int **oldfdlist,
unsigned int flags);
which provide a way to use the setns() system call to move the
calling process into the container's namespace. It is not
practical to write in a generically applicable manner. The
nearest that we could get to such an API would be an API which
allows to pass a command + argv to be executed inside a
container. Even if we had such a generic API, this LXC specific
API is still useful, because it allows the caller to maintain
the current process context, in particular any I/O streams they
have open.
NB the virDomainLxcEnterNamespace() API is special in that it
runs client side, so does not involve the internal driver API.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
With our recent renames under src/util/* we forgot to adapt
python wrapper code generator. This results in some methods being
not exposed:
$ python examples/domain-events/events-python/event-test.py
Using uri:qemu:///system
Traceback (most recent call last):
File "examples/domain-events/events-python/event-test.py", line 585, in <module>
main()
File "examples/domain-events/events-python/event-test.py", line 543, in main
virEventLoopPureStart()
File "examples/domain-events/events-python/event-test.py", line 416, in virEventLoopPureStart
virEventLoopPureRegister()
File "examples/domain-events/events-python/event-test.py", line 397, in virEventLoopPureRegister
libvirt.virEventRegisterImpl(virEventAddHandleImpl,
AttributeError: 'module' object has no attribute 'virEventRegisterImpl'
Add code in the python binding to cope with the new APIs
virConnectRegisterCloseCallback and
virConnectUnregisterCloseCallback. Also demonstrate their
use in the python domain events demo
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Adding a new API to obtain information about the
host node's present, online and offline CPUs.
int virNodeGetCPUMap(virConnectPtr conn,
unsigned char **cpumap,
unsigned int *online,
unsigned int flags);
The function will return the number of CPUs present on the host
or -1 on failure;
If cpumap is non-NULL virNodeGetCPUMap will allocate an array
containing a bit map representation of the online CPUs. It's
the callers responsibility to deallocate cpumap using free().
If online is non-NULL, the variable pointed to will contain
the number of online host node CPUs.
The variable flags has been added to support future extensions
and must be set to 0.
Extend the driver structure by nodeGetCPUMap entry in support of the
new API virNodeGetCPUMap.
Added implementation of virNodeGetCPUMap to libvirt.c
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
* include/libvirt/libvirt.h.in: (Add macros for the param fields,
declare the APIs).
* src/driver.h: (New methods for the driver struct)
* src/libvirt.c: (Implement the public APIs)
* src/libvirt_public.syms: (Export the public symbols)
This is to list the secret objects. Supports to filter the secrets
by its storage location, and whether it's private or not.
include/libvirt/libvirt.h.in: Declare enum virConnectListAllSecretFlags
and virConnectListAllSecrets.
python/generator.py: Skip auto-generating
src/driver.h: (virDrvConnectListAllSecrets)
src/libvirt.c: Implement the public API
src/libvirt_public.syms: Export the symbol to public
This is to list the network filter objects. No flags are supported
include/libvirt/libvirt.h.in: Declare enum virConnectListAllNWFilterFlags
and virConnectListAllNWFilters.
python/generator.py: Skip auto-generating
src/driver.h: (virDrvConnectListAllNWFilters)
src/libvirt.c: Implement the public API
src/libvirt_public.syms: Export the symbol to public
This is to list the node device objects, supports to filter the results
by capability types.
include/libvirt/libvirt.h.in: Declare enum virConnectListAllNodeDeviceFlags
and virConnectListAllNodeDevices.
python/generator.py: Skip auto-generating
src/driver.h: (virDrvConnectListAllNodeDevices)
src/libvirt.c: Implement the public API
src/libvirt_public.syms: Export the symbol to public
This is to list the interface objects, supported filtering flags
are: active|inactive.
include/libvirt/libvirt.h.in: Declare enum virConnectListAllInterfaceFlags
and virConnectListAllInterfaces.
python/generator.py: Skip auto-generating
src/driver.h: (virDrvConnectListAllInterfaces)
src/libvirt.c: Implement the public API
src/libvirt_public.syms: Export the symbol to public
This is to list the network objects, supported filtering flags
are: active|inactive, persistent|transient, autostart|no-autostart.
include/libvirt/libvirt.h.in: Declare enum virConnectListAllNetworkFlags
and virConnectListAllNetworks.
python/generator.py: Skip auto-generating
src/driver.h: (virDrvConnectListAllNetworks)
src/libvirt.c: Implement the public API
src/libvirt_public.syms: Export the symbol to public
Simply returns the storage volume objects. No supported filter
flags.
include/libvirt/libvirt.h.in: Declare the API
python/generator.py: Skip the function for generating. virStoragePool.py
will be added in later patch.
src/driver.h: virDrvStoragePoolListVolumesFlags
src/libvirt.c: Implementation for the API.
src/libvirt_public.syms: Export the symbol to public
This introduces a new API to list the storage pool objects,
4 groups of flags are provided to filter the returned pools:
* Active or not
* Autostarting or not
* Persistent or not
* And the pool type.
include/libvirt/libvirt.h.in: New enum virConnectListAllStoragePoolFlags;
Declare the API.
python/generator.py: Skip the generating
src/driver.h: (virDrvConnectListAllStoragePools)
src/libvirt.c: Implementation for the API.
src/libvirt_public.syms: Export the symbol.
This patch updates libvirt's API to allow applications to inspect the
full list of security labels of a domain.
Signed-off-by: Marcelo Cerri <mhcerri@linux.vnet.ibm.com>
Commit 6ed5a1b9bd6240b8f2736790e48dd1c284c2e0e1 adds close callback
functions to the public API but doesn't add python implementation. This
patch sets the function to be written manually (to fix the build), but
doesn't implement them yet.
There was an inherent race between virDomainSnapshotNum() and
virDomainSnapshotListNames(), where an additional snapshot could
be created in the meantime, or where a snapshot could be deleted
before converting the name back to a virDomainSnapshotPtr. It
was also an awkward name: the function operates on domains, not
domain snapshots. virDomainSnapshotListChildrenNames() suffered
from the same inherent race, although its naming was nicer.
This patch makes things nicer by grabbing a snapshot list
atomically, in the format most useful to the user.
* include/libvirt/libvirt.h.in (virDomainListAllSnapshots)
(virDomainSnapshotListAllChildren): New declarations.
* src/libvirt.c (virDomainSnapshotListNames)
(virDomainSnapshotListChildrenNames): Add cross-references.
(virDomainListAllSnapshots, virDomainSnapshotListAllChildren):
New functions.
* src/libvirt_public.syms (LIBVIRT_0.9.13): Export them.
* src/driver.h (virDrvDomainListAllSnapshots)
(virDrvDomainSnapshotListAllChildren): New callbacks.
* python/generator.py (skip_function): Prepare for later
hand-written versions.
This patch adds a new public api that lists domains. The new approach is
different from those used before. There are key points to this:
1) The list is acquired atomically and contains both active and inactive
domains (guests). This eliminates the need to call two different list
APIs, where the state might change in between the calls.
2) The returned list consists of virDomainPtrs instead of names or ID's
that have to be converted to virDomainPtrs anyways using separate calls
for each one of them. This is more convenient and saves hypervisor calls.
3) The returned list is auto-allocated. This saves a lot of hassle for
the users.
4) Built in support for filtering. The API call supports various
filtering flags that modify the output list according to user needs.
Available filter groups:
Domain status:
VIR_CONNECT_LIST_DOMAINS_ACTIVE, VIR_CONNECT_LIST_DOMAINS_INACTIVE
Domain persistence:
VIR_CONNECT_LIST_DOMAINS_PERSISTENT,
VIR_CONNECT_LIST_DOMAINS_TRANSIENT
Domain state:
VIR_CONNECT_LIST_DOMAINS_RUNNING, VIR_CONNECT_LIST_DOMAINS_PAUSED,
VIR_CONNECT_LIST_DOMAINS_SHUTOFF, VIR_CONNECT_LIST_DOMAINS_OTHER
Existence of managed save image:
VIR_CONNECT_LIST_DOMAINS_MANAGEDSAVE,
VIR_CONNECT_LIST_DOMAINS_NO_MANAGEDSAVE
Auto-start option:
VIR_CONNECT_LIST_DOMAINS_AUTOSTART,
VIR_CONNECT_LIST_DOMAINS_NO_AUTOSTART
Existence of snapshot:
VIR_CONNECT_LIST_DOMAINS_HAS_SNAPSHOT,
VIR_CONNECT_LIST_DOMAINS_NO_SNAPSHOT
5) The python binding returns a list of domain objects that is very neat
to work with.
The only problem with this approach is no support from code generators
so both RPC code and python bindings had to be written manually.
*include/libvirt/libvirt.h.in: - add API prototype
- clean up whitespace mistakes nearby
*python/generator.py: - inhibit generation of the bindings for the new
api
*src/driver.h: - add driver prototype
- clean up some whitespace mistakes nearby
*src/libvirt.c: - add public implementation
*src/libvirt_public.syms: - export the new symbol
Return statements with parameter enclosed in parentheses were modified
and parentheses were removed. The whole change was scripted, here is how:
List of files was obtained using this command:
git grep -l -e '\<return\s*([^()]*\(([^()]*)[^()]*\)*)\s*;' | \
grep -e '\.[ch]$' -e '\.py$'
Found files were modified with this command:
sed -i -e \
's_^\(.*\<return\)\s*(\(\([^()]*([^()]*)[^()]*\)*\))\s*\(;.*$\)_\1 \2\4_' \
-e 's_^\(.*\<return\)\s*(\([^()]*\))\s*\(;.*$\)_\1 \2\3_'
Then checked for nonsense.
The whole command looks like this:
git grep -l -e '\<return\s*([^()]*\(([^()]*)[^()]*\)*)\s*;' | \
grep -e '\.[ch]$' -e '\.py$' | xargs sed -i -e \
's_^\(.*\<return\)\s*(\(\([^()]*([^()]*)[^()]*\)*\))\s*\(;.*$\)_\1 \2\4_' \
-e 's_^\(.*\<return\)\s*(\([^()]*\))\s*\(;.*$\)_\1 \2\3_'
On RHEL 5.7, I got this compilation failure:
In file included from /usr/include/python2.4/pyport.h:98,
from /usr/include/python2.4/Python.h:55,
from libvirt.c:3:
../gnulib/lib/time.h:468: error: expected ';', ',' or ')' before '__timer'
Turns out that our '#define restrict __restrict' from config.h wasn't
being picked up. Gnulib _requires_ that all .c files include <config.h>
first, otherwise the gnulib header overrides tend to misbehave.
Problem introduced by patch c700613b8.
* python/generator.py (buildStubs): Include <config.h> first.
This patch starts the process of elevating the python binding code
to be on the same level as the rest of libvirt when it comes to
requiring good coding styles. Statically linking against the
libvirt_util library makes it much easier to write good code,
rather than having to open-code and reinvent things locally.
Done by global search and replace of s/free(/VIR_FREE(/, followed
by hand-inspection of remaining malloc and redundant memset.
* cfg.mk (exclude_file_name_regexp--sc_prohibit_raw_allocation):
Remove python from exemption.
* python/Makefile.am (INCLUDES): Add gnulib and src/util. Drop
$(top_builddir)/$(subdir), as automake already guarantees that.
(mylibs, myqemulibs): Pull in libvirt_util and gnulib.
(libvirtmod_la_CFLAGS): Catch compiler warnings if configured to
use -Werror.
* python/typewrappers.c (libvirt_charPtrSizeWrap)
(libvirt_charPtrWrap): Convert free to VIR_FREE.
* python/generator.py (print_function_wrapper): Likewise.
* python/libvirt-override.c: Likewise.
I noticed some redundant code while preparing my next patch.
* python/generator.py (py_types): Fix 'const char *' mapping.
* python/typewrappers.h (libvirt_charPtrConstWrap): Drop.
* python/typewrappers.c (libvirt_charPtrConstWrap): Delete, since
it is identical to libvirt_constcharPtrWrap.
We already provide ways to detect when a domain has been paused as a
result of I/O error, but there was no way of getting the exact error or
even the device that experienced it. This new API may be used for both.
add new API virDomainGetCPUStats() for getting cpu accounting information
per real cpus which is used by a domain. The API is designed to allow
future extensions for additional statistics.
based on ideas by Lai Jiangshan and Eric Blake.
* src/libvirt_public.syms: add API for LIBVIRT_0.9.10
* src/libvirt.c: define virDomainGetCPUStats()
* include/libvirt/libvirt.h.in: add virDomainGetCPUStats() header
* src/driver.h: add driver API
* python/generator.py: add python API (as not implemented)
Signed-off-by: Eric Blake <eblake@redhat.com>
Add a new function to allow changing of capacity of storage volumes.
Plan out several flags, even if not all of them will be implemented
up front.
Expose the new command via 'virsh vol-resize'.
Signed-off-by: Eric Blake <eblake@redhat.com>
Although this is a public API break, it only affects users that
were compiling against *_LAST values, and can be trivially
worked around without impacting compilation against older
headers, by the user defining VIR_ENUM_SENTINELS before using
libvirt.h. It is not an ABI break, since enum values do not
appear as .so entry points. Meanwhile, it prevents users from
using non-stable enum values without explicitly acknowledging
the risk of doing so.
See this list discussion:
https://www.redhat.com/archives/libvir-list/2012-January/msg00804.html
* include/libvirt/libvirt.h.in: Hide all sentinels behind
LIBVIRT_ENUM_SENTINELS, and add missing sentinels.
* src/internal.h (VIR_DEPRECATED): Allow inclusion after
libvirt.h.
(LIBVIRT_ENUM_SENTINELS): Expose sentinels internally.
* daemon/libvirtd.h: Use the sentinels.
* src/remote/remote_protocol.x (includes): Don't expose sentinels.
* python/generator.py (enum): Likewise.
* tests/cputest.c (cpuTestCompResStr): Silence compiler warning.
* tools/virsh.c (vshDomainStateReasonToString)
(vshDomainControlStateToString): Likewise.
The APIs are used to set/get domain's network interface's parameters.
Currently supported parameters are bandwidth settings.
* include/libvirt/libvirt.h.in: new API and parameters definition
* python/generator.py: skip the Python API generation
* src/driver.h: add new entry to the driver structure
* src/libvirt_public.syms: export symbols
The previous API addition allowed traversal up the hierarchy;
this one makes it easier to traverse down the hierarchy.
In the python bindings, virDomainSnapshotNumChildren can be
generated, but virDomainSnapshotListChildrenNames had to copy
from the hand-written example of virDomainSnapshotListNames.
* include/libvirt/libvirt.h.in (virDomainSnapshotNumChildren)
(virDomainSnapshotListChildrenNames): New prototypes.
(VIR_DOMAIN_SNAPSHOT_LIST_DESCENDANTS): New flag alias.
* src/libvirt.c (virDomainSnapshotNumChildren)
(virDomainSnapshotListChildrenNames): New functions.
* src/libvirt_public.syms: Export them.
* src/driver.h (virDrvDomainSnapshotNumChildren)
(virDrvDomainSnapshotListChildrenNames): New callbacks.
* python/generator.py (skip_impl, nameFixup): Update lists.
* python/libvirt-override-api.xml: Likewise.
* python/libvirt-override.c
(libvirt_virDomainSnapshotListChildrenNames): New wrapper function.
This patch adds the Python bindings for virDomainGetVcpuPinInfo API.
* python/generator.py: add it to generator skip list
* python/libvirt-override-api.xml: provide an override description
* python/libvirt-override.c: provide an override binding implementation
This patch adds the Python bindings for virDomainPinVcpuFlags API.
* python/generator.py: add it to the generator skip list
* python/libvirt-override-api.xml: provide override description
* python/libvirt-override.c: provide override bindings implementation
virDomainGetBlockJobInfo requires manual override since it returns a
custom type.
* python/generator.py: reenable bindings for this entry point
* python/libvirt-override-api.xml python/libvirt-override.c:
manual overrides
Set up the types for the block pull functions and insert them into the
virDriver structure definition. Symbols are exported in this patch to
prevent
documentation compile failures.
* include/libvirt/libvirt.h.in: new API
* src/driver.h: add the new entry to the driver structure
* python/generator.py: fix compiler errors, the actual python bindings
* are
implemented later
* src/libvirt_public.syms: export symbols
* docs/apibuild.py: Extend 'unsigned long' parameter exception to this
* API
The current API build scripts will continue and exit with a zero
status even if they find problems. This has been the cause of many
build problems, or hidden build errors, in the past. Change the
scripts so they always exit with a non-zero status for any problems
they do not understand. Also turn off all debug output by default
so they respect $(AM_V_GEN)
* docs/Makefile.am: Use $(AM_V_GEN) for API/HTML scripts
* docs/apibuild.py, python/generator.py: Exit with non-zero status
if problems are found. Also be silent, not outputting any debug
messages.
* src/Makefile.am: Use $(AM_V_GEN) for ESX generator
* python/Makefile.am: Tweak rule
