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After the cleanup of remote display port allocation, I noticed some
messages that didn't make a lot of sense the way they were written. So
I rephrased them.
The defines QEMU_REMOTE_PORT_MIN and QEMU_REMOTE_PORT_MAX were used to
find free port when starting domains. As this was hard-coded to the
same ports as default VNC servers, there were races with these other
programs. This patch includes the possibility to change the default
starting port as well as the maximum port (mostly for completeness) in
qemu config file.
Support for two new config options in qemu.conf is added:
- remote_port_min (defaults to QEMU_REMOTE_PORT_MIN and
must be >= than this value)
- remote_port_max (defaults to QEMU_REMOTE_PORT_MAX and
must be <= than this value)
Port allocations for SPICE and VNC behave almost the same (with
default ports), but there is some mess in the code. This patch clears
these inconsistencies and makes sure the same behavior will be used
when ports for remote displays are changed.
Changes:
- hard-coded number 5900 removed (handled elsewhere like with VNC)
- reservedVNCPorts renamed to reservedRemotePorts (it's not just for
VNC anymore)
- QEMU_VNC_PORT_{MIN,MAX} renamed to QEMU_REMOTE_PORT_{MIN,MAX}
- port allocation unified for VNC and SPICE
Commit 350583c8 broke development on a RHEL 5 box, where the
ancient Autoconf 2.59 lacks AS_VERSION_STRING. Rather than
backport the complex awk script that newer autoconf uses for
true strverscmp comparisons from the shell, it was easier to
just open-code a shell case statement.
* configure.ac (qemu_version): Open-code a replacement for
AS_VERSION_CHECK.
Last of the file splits.
* tools/virsh-volume.h: New file.
* tools/Makefile.am (virsh_SOURCES): Build it.
* tools/virsh.c: Use new header.
* tools/virsh-volume.c: Likewise.
(vshCommandOptVolBy): Fix flag usage.
Almost done with the splits.
* tools/virsh-snapshot.h: New file.
* tools/Makefile.am (virsh_SOURCES): Build it.
* tools/virsh.c: Use new header.
* tools/virsh-snapshot.c: Likewise.
One of the simpler splits.
* tools/virsh-secret.h: New file.
* tools/Makefile.am (virsh_SOURCES): Build it.
* tools/virsh.c: Use new header.
* tools/virsh-secret.c: Likewise.
More in a series of file splits.
* tools/virsh-pool.h: New file.
* tools/Makefile.am (virsh_SOURCES): Build it.
* tools/virsh.c: Use new header.
* tools/virsh-pool.c: Likewise.
(virCommandOptPoolBy): Fix flag usage.
Yet another split file.
* tools/virsh-nwfilter.h: New file.
* tools/Makefile.am (virsh_SOURCES): Build it.
* tools/virsh.c: Use new header.
* tools/virsh-nwfilter.c: Likewise.
Another worthwhile split, needed one more public function.
* tools/virsh-nodedev.h: New file.
* tools/Makefile.am (virsh_SOURCES): Build it.
* tools/virsh-nodedev.c: Use new header.
* tools/virsh.c: Likewise.
(vshTreePrint): Export.
* tools/virsh.h (vshTreePrint): Declare.
Another relatively easy file split.
* tools/virsh-network.h: New file.
* tools/Makefile.am (virsh_SOURCES): Build it.
* tools/virsh.c: Use new header.
* tools/virsh-network.c: Likewise.
(vshCommandOptNetworkBy): Update signature.
Another relatively easy split, since helper functions were fixed
in the previous patch.
* tools/virsh-interface.h: New file.
* tools/Makefile.am (virsh_SOURCES): Build it.
* tools/virsh.c: Use new header.
* tools/virsh-interface.c: Likewise.
(vshCommandOptInterfaceBy): Check flags.
In preparation for splitting virsh-interface.c, I found these
functions need to be declared in virsh.h, as well as one that
belongs more properly in virsh-domain.h. Also, since we
use the VSH_BY* flags in more than one function, I improved
how they are used.
* tools/virsh.h (vshNameSorter, vshCmdHasOption): Declare.
(VSH_BYID): Turn into enum.
(vshCommandOptDomainBy): Move...
* tools/virsh-domain.h): ...here.
* tools/virsh.c: (vshNameSorter): Export.
(cmd_has_option): Rename...
(vshCmdHasOption): ...and export.
(vshCommandOptDomainBy): Move...
* tools/virsh-domain.c (vshCommandOptDomainBy): ...here, adjust
signature, and check flags.
* tools/virsh-network.c (vshCommandOptNetworkBy): Update callers.
* tools/virsh-nwfilter.c (vshCommandOptNWFilterBy): Likewise.
* tools/virsh-secret.c (vshCommandOptSecret): Likewise.
* tools/virsh-domain-monitor.c (includes): Likewise.
* tools/virsh-host.c (includes): Likewise.
The splits are getting easier, with fewer cleanups needed in virsh.h.
* tools/virsh-host.h: New file.
* tools/Makefile.am (virsh_SOURCES): Build it.
* tools/virsh-host.c: Use new header.
* tools/virsh.c: Likewise.
Another file worth compiling on its own instead of by .c inclusion.
* tools/virsh-domain-monitor.h: New file.
* tools/Makefile.am (virsh_SOURCES): Build it.
* tools/virsh.h (vshGetDomainDescription): Move to correct
header.
* tools/virsh-domain-monitor.c: Use new header.
* tools/virsh.c: Likewise.
* tools/virsh-domain.c: Likewise.
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>
This patch updates the key "security_driver" in QEMU config to suport
both a sigle default driver or a list of default drivers. This ensures
that it will remain compatible with older versions of the config file.
Signed-off-by: Marcelo Cerri <mhcerri@linux.vnet.ibm.com>
These changes make the security drivers able to find and handle the
correct security label information when more than one label is
available. They also update the DAC driver to be used as an usual
security driver.
Signed-off-by: Marcelo Cerri <mhcerri@linux.vnet.ibm.com>
This patch updates the domain and capability XML parser and formatter to
support more than one "seclabel" element for each domain and device. The
RNG schema and the tests related to this are also updated by this patch.
Signed-off-by: Marcelo Cerri <mhcerri@linux.vnet.ibm.com>
This patch updates the structures that store information about each
domain and each hypervisor to support multiple security labels and
drivers. It also updates all the remaining code to use the new fields.
Signed-off-by: Marcelo Cerri <mhcerri@linux.vnet.ibm.com>
This is a fix for the object label generation. It uses a new flag for
virSecuritySELinuxGenNewContext that specifies whether the context is
for an object. If so the context role remains unchanged.
Without this fix it is not possible to start domains with image file or
block device backed storage when selinux is enabled.
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
Nothing in the testsuite or examples directory should be translated,
as it is not part of the normally installed binary. We already
meet this rule, but enforcing it will make it easier to remember.
Suggested by Daniel P. Berrange.
* cfg.mk (sc_prohibit_useless_translation): Enhance rule.
In order to support systemd socket based activation, it needs to
be possible to create virNetSocketPtr and virNetServerServicePtr
instance from a pre-opened file descriptor
In preparation for adding further constructors, refactor
the virNetServerClientNew method to move most of the code
into a common virNetServerClientNewInternal helper API.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Currently the virNetServerDispatchNewClient both creates the
virNetServerClientPtr instance and registers it with the
virNetServerPtr internal state. Split the client registration
code out into a separate virNetServerAddClient method to
allow future reuse from other contexts
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
C99 says that __foo naming is reserved for the compiler. Besides,
we had several different styles in use; this consolidates things
to set up the typedefs up front then declare the types with
consistent naming.
* tools/virsh.h: Use consistent struct naming.
* tools/virsh.c (_vshCommandParser): Likewise.
The virsh-domain.c file was pretty self-contained; the only
entry point was the table of command definitions. The bulk
of this patch is making more functions in virsh.c reusable.
A later patch will clean up poor naming choices.
* tools/Makefile.am (virsh_SOURCES): Build virsh-domain.c.
* tools/virsh-domain.h: New file.
* tools/virsh.h (virshReportError, vshResetLibvirtError)
(vshAskReedit, vshStreamSink): Declare.
* tools/virsh.c: Switch from using .c to .h.
(virshReportError, vshResetLibvirtError, vshAskReedit)
(vshStreamSink, prettyCapacity): Export.
(vshCatchInt): Move...
* tools/virsh-domain.c: ...into sole user. Use header.
Having one .c file include another does not give any compilation
benefits; move towards modular .o files by first splitting out
reused declarations into a new virsh.h. This patch doesn't try
very hard to see which functions are used or not, to make it
easier to review the file split. Future patches can further trim
the header to be smaller.
* tools/Makefile.am (virsh_SOURCES): List new file, and prepare
for others.
* tools/virsh.c: Split declarations...
* tools/virsh.h: ...into new file, and make several functions
non-static.
* tools/virsh-domain-monitor.c (vshGetDomainDescription): Make
non-static.
It's easier to order things in topological order than it is to
forward declare in one file for use only by one other file.
* tools/virsh.c (vshWatchJob, parseRateStr)
(vshDomainStateToString, vshDomainStateReasonToString)
(vshDomainControlStateToString, vshDomainVcpuStateToString): Drop
useless prototypes.
* tools/virsh-domain.c (vshWatchJob): Move earlier.
For network devices allocated from a network with <forward
mode='hostdev'>, there is a need to add the newly minted hostdev to
the hostdevs array.
In this case we also need to call qemuPrepareHostDevices just for this
one device, as the standard call to initialize all the hostdevs that
were defined directly in the domain's configuration has already been
made by the time we allocate a device from a libvirt network, and thus
have something that needs initializing.
Signed-off-by: Shradha Shah <sshah@solarflare.com>
This patch updates the network driver to properly utilize the new
attributes/elements that are now in virNetworkDef
Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: Laine Stump <laine@laine.org>
This function is needed by the network driver in a later commit.
It is useful in functions like networkNotifyActualDevice and
networkReleaseActualDevice
The network pool should be able to keep track of both network device
names and PCI addresses, and return the appropriate one in the
actualDevice when networkAllocateActualDevice is called.
Signed-off-by: Shradha Shah <sshah@solarflare.com>
This patch introduces the new forward mode='hostdev' along with
attribute managed. Includes updates to the network RNG and new xml
parser/formatter code.
Signed-off-by: Shradha Shah <sshah@solarflare.com>
Existing code that creates a list of forwardIfs from a single PF
was moved to the new utility function networkCreateInterfacePool.
No functional change.
Signed-off-by: Shradha Shah <sshah@solarflare.com>
Move the functions the parse/format, and validate PCI addresses to
their own file so they can be conveniently used in other places
besides device_conf.c
Refactoring existing code without causing any functional changes to
prepare for new code.
This patch makes the code reusable.
Signed-off-by: Shradha Shah <sshah@solarflare.com>
Change device type of a virtio channel from/to spicevmc is not a user
visible change. However, spicevmc channels use different default target
name than other virtio channels. To maintain ABI stability during this
change target name must be explicitly specified (and equal) in both
configurations.
Add the ability to support VLAN tags for Open vSwitch virtual port
types. To accomplish this, modify virNetDevOpenvswitchAddPort and
virNetDevTapCreateInBridgePort to take a virNetDevVlanPtr
argument. When adding the port to the OVS bridge, setup either a
single VLAN or a trunk port based on the configuration from the
virNetDevVlanPtr.
Signed-off-by: Kyle Mestery <kmestery@cisco.com>
Setting hard_limit larger than previous swap_hard_limit must fail,
it's not that good if one wants to change the swap_hard_limit
and hard_limit together. E.g.
% virsh memtune rhel6
hard_limit : 1000000
soft_limit : 1000000
swap_hard_limit: 1000000
% virsh memtune rhel6 --hard-limit 1000020 --soft-limit 1000020 \
--swap-hard-limit 1000020 --live
This patch reorder the limits setting to set the swap_hard_limit
first, hard_limit then, and soft_limit last if it's greater than
current swap_hard_limit. And soft_limit first, hard_limit then,
swap_hard_limit last, if not.
'make distcheck' was failing because a syntax check file,
.sc-start-sc_vulnerable_makefile_CVE-2012-3386, got left
behind. I traced it to the 'distdir' rule depending on a
shortcut syntax-check name rather than the full rule name
normally used during 'local-check' from maint.mk.
* cfg.mk (distdir): Depend on full rule, not shorthand name.
'make distcheck' fails because the generated ESX and HyperV files
are (intentionally) marked read-only, but since the stamp file was
missing, make assumes they need to be rebuilt. Shipping the stamp
file solves the problem.
* src/Makefile.am (EXTRA_DIST): Ship stamp files.
The underlying function to set the vlan tag of an SR-IOV network
device was already in place (although an extra patch to save/restore
the original vlan tag was needed), and recent patches added the
ability to configure a vlan tag. This patch just ties those two
together.
An SR-IOV device doesn't support vlan trunking, so if anyone tries to
configure more than a single tag, or set the trunk flag, and error is
logged.
When a network device that is a VF of an SR-IOV card was assigned to a
guest using <interface type='hostdev'>, only the MAC address was being
saved/restored, but the VLAN tag was left untouched. Up to now we
haven't actually used vlan tags on SR-IOV devices, so the guest would
have used whatever was set, and left it the same at the end.
The patch following this one will hook up the <vlan> element from the
interface config, so save/restore of the device state needs to also
include the vlan tag.
MAC address is being saved as a simple ASCII string in a file named
for the device under /var/run. The VLAN tag is now just added at the
end of that file, after a newline. It might be nicer if the file was
XML (in case it ever gets more complicated) but at the moment there's
nothing else on the horizon, and this makes backward compatibility
easier.
