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Open VDI Port when spice_use_vdagent is enabled
To use the features spice agent provides, a dedicated virtio-serialchannel must be created in qemu-kvm. The communication between the agentand the other spice components takes place over this channel.
Signed-off-by: Guido Trotter <ultrotter@google.com>...
hypervisors: start instances with max available mem
If we have available more than MINMEM but less than MAXMEM, start a newinstance with that value, rather than MAXMEM.
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
kvm: always start in paused state
Currently kvm starts in a frozen state if cpu pinning is set.This is useful for other purposes as well (eg. ballooning before theinstance uses the memory), so we move the functionality out of the cpupinning code.
Note that before the "continue" command was executed in a finally after...
Implement memory ballooning in kvm
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: René Nussbaumer <rn@google.com>
Merge branch 'devel-2.5'
Conflicts: NEWS: trivial
Merge branch 'stable-2.5' into devel-2.5
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Andrea Spadaccini <spadaccio@google.com>
KVM: support version reported by 1.0
This of course was working for all the rcs, but broke with 1.0 itself.
In addition: - split between running kvm --version and parsing its output - unittest parsing for various known --help outputs - updated NEWS file...
hv_kvm: Make string containing regex a raw string
Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
hv_kvm: Style fixes
Change a few lines to match rest of code.
hv_kvm.QmpMessage: Use dict.get
No need to look up the key twice.
serializer: Remove JSON indentation and dict key sorting
Serializing to JSON using “simplejson” is significantly slower whenindentation and/or sorting of dictionary keys is used. In simplejson 1.xthe difference isn't that big, but with simplejson 2.x the difference...
Add a balloon device to all kvm instances
This can be used to resize their memory (for now only manually, asganeti doesn't do the job yet)
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
kvm: get more accurate info from qmp, if possible
kvm: make qmp connections more robust
Currently qmp fails at connect() time if there are socket errors. (eg.if the instance was started without qmp). Add some better checking.
Also in the only place where we use it avoid hiding the error connectingto the socket as a failure to read the password file....
hypervisors: use maximum memory for all operations
Conflicts: lib/cmdlib.py - trivial
Add hypervisors ancillary files list
These lists will be used to declare some of the files not necessarilyneeded on all nodes. The files selected are files without which thevarious hypervisors can still work, but that when they are presentshould be synchronized across the cluster (or node group)....
Revert "Added SPICE TLS option and related cert paths"
This reverts commit bfe86c763a9ff1b481d799537ff0f0cf6740dfd1.This commit will be readded on master.
Revert "Implementation of TLS-protected SPICE connections"
This reverts commit b6267745ede04b3c943bc02e004bdb9347e0f564.This commit will be readded on master.
Revert "Add tls_ciphers and use_vdagent options"
This reverts commit 3e40b5879fa0070d6dd0e689dcfc31f20198a5a8.This commit will be readded on master.
Add memory transfer progress info to migration
Signed-off-by: Andrea Spadaccini <spadaccio@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
Make migration RPC non-blocking
To add status reporting for the KVM migration, the instance_migrate RPCmust be non-blocking. Moreover, there must be a way to represent themigration status and a way to fetch it.
Migration: warn the user about hv version mismatch
Fix interaction between CPU pinning and KVM migration
CPU pinning requires the KVM hypervisor to start in the paused state, inorder to retrieve information, and immediately unpauses it.
This does not play well with live migration, as the unpausing was done...
Add tls_ciphers and use_vdagent options
Implementation of TLS-protected SPICE connections
Added support for TLS-protected SPICE connections:
Added SPICE TLS option and related cert paths
Fix two pylint errors
- hv_kvm.py: silence F0401, that is raised if pylint does not find the affinity module- rlib2.py: change disable-msg to disable
hv_kvm: bugfix
Signed-off-by: Tsachy Shacham <tsachy@google.com>Signed-off-by: René Nussbaumer <rn@google.com>Reviewed-by: René Nussbaumer <rn@google.com>
hv_kvm: fix hardcoded KVM command string
Signed-off-by: Tsachy Shacham <tsachy@google.com>Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
hv_kvm: support for CPU pinning
Signed-off-by: Tsachy Shacham <tsachy@google.com>Signed-off-by: Iustin Pop <iustin@google.com>[iustin@google.com: fixed some small code and style issues]Reviewed-by: Iustin Pop <iustin@google.com>
Add SPICE compression and streaming options
Add the following SPICE audio/image compression and video streamingdetection hypervisor options:
Add SPICE support to gnt-instance console
Also update related unit tests.
Make KVM use the QXL vga driver with SPICE
Enable by default the QXL paravirtualized graphic card if SPICE isenabled. The QXL driver is VESA compatible, so it degrades gracefully ifthe guest OS does not have QXL drivers.
Signed-off-by: Andrea Spadaccini <spadaccio@google.com>...
Use a loop to check SPICE parameters dependency
Use a loop to check if the user specified any SPICE option and SPICEsupport is disabled.
Added password for SPICE sessions
Added an optional parameter called spice_password_file that allowsthe user to protect the SPICE login with the password contained inthe specified file.
Draft implementation of QMP connection
Basic implementation of the QMP connection and related tests.
PEP8 style fixes
Identified using the “pep8” utility.
hv_kvm: initial support for CPU pinning
Signed-off-by: Tsachy Shacham <tsachy@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
Handle network interfaces without IPs
If the user specified a network interface with no IPs, he would receivean unhelpful "list index out of range" error. Fixed that.
Signed-off-by: Andrea Spadaccini <spadaccio@google.com>Signed-off-by: Guido Trotter <ultrotter@google.com>...
Fixed potential unreferenced variable usage
I noticed a path in the code that would use spice_ip_version even ifit was not initialized. This patch fixes it.
Added basic support for SPICE
Implemented the following parameters:- spice_bind- spice_ip_version
Fixed an error in the documentation of _GetKVMVersion
Fixed an epydoc compilation error that I introduced with last commit.
Removed code duplication for calls to _GetKVMVersion
Changed NET_PORT_CHECK to REQ_NET_PORT_CHECK, to improve consistency
I originally made this change because I needed the OPT_NET_PORT_CHECK,and I am committing it even if I don't need anymore OPT_NET_PORT_CHECKbecause IMO it improves the consistency of the name of the wrappers....
Add "reboot_behavior" hypervisor flag
During instance installations, you do not want the instance to rebootand start again with the same parameters, as that will most likelyre-start the install process. Therefore, when the instance requests areboot it should instead shutdown. This flag allows this to be...
Most boring patch ever
s/'/"/ in (hopefully) the right places.
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
Add support for KVM keymaps
Signed-off-by: Sébastien Bocahu <zecrazytux@zecrazytux.net>Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
Adding a wrapper around connecting to kvm console
The wrapper will connect to the console, and check in the background ifthe instance is paused, unpausing it as necessary.
Signed-off-by: Stephen Shirley <diamond@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
Merge branch 'devel-2.4'
Reverts the patch series about console wrappers
This reverts commits 030a9cb8022b83bf43ec14dfbafd943299bc01c4 andae082df0000a785b693b2f4aa434650a81a94bdf.
There are two problems:
- Makefile.am breakage, which is trivial to revert- unittest breakage, which honestly I'm not sure how to fix and how...
Add gnt-instance start --pause
Creates the instance, but pauses execution before booting. This combinedwith 'gnt-instance console' unpausing instances means that the entireboot process can be viewed and monitored.
Signed-off-by: Stephen Shirley <diamond@google.com>...
KVM: configure bridged NICs at migration start
Commit 5d9bfd870 moved tap interface handling from KVM to Ganeti, partlyto also solve the problem of routed interfaces getting configured tooearly during live migrations, causing network anomalies. In that...
Conflicts: lib/cmdlib.py - use RequireSharedFileStorage there
Don't add ",boot=on" to disks on kvm >= 0.14
Under newer kvm this prevents the vm from starting.Ah, change!
KVM: fix per-instance stored UID value
When using the pool security model, ExecuteKVMRuntime was storing theinstance's UID using str(uid), which would result in storing theLockedUid._repr__() result:
$ cat /var/run/ganeti/kvm-hypervisor/uid/xxxxxxxxxxxxx...
Use floppy disk and a second CDROM on KVM
Hi all,this patch will add 3 new KVM parameters and a new option.
New Parameters: - floppy_image_path = "" -> Specify the floppy image to load asfloppy disk. - cdrom2_image_path = "" -> Specify a second cdrom image to load on...
KVM: use cache=none for shared disk templates
Disable host cache for externally mirrored disks to avoid cache incoherency.Without this, migrations between the same two nodes may end up in diskcorruption.
This is a runtime override of cluster defaults, mostly a workaround....
KVM: Add auxiliary functions to handle tap devices
Add two new functions, _OpenTap and _ProbeTapVnetHdr, tohypervisors.hv_kvm.
_ProbeTapVnetHdr checks if the host kernel supports the virtio net header(IFF_VNET_HDR) feature. This feature allows KVM to ask the the host kernel to...
KVM: Perform network configuration in Ganeti
This patch introduces network configuration for KVM in Ganeti.
There are three problems with having KVM perform network configuration via ifupscripts: a) Ganeti never gets to know the tap interface that is associated with an...
KVM: don't fail removing non-existing nic path
This shouldn't normally happen, but if it does no need to fail.
Use new console information in hypervisor abstraction
This makes use of the new way of returning console information from themaster daemon. Unittests are included.
Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: René Nussbaumer <rn@google.com>
hv_kvm.py: fix some lint issues introduced in 4b784cf
In particular:
- break as couple lines that were longer than 80 characters - fix a couple "comma not followed by a space" - fix an unused variable warning
Signed-off-by: Adeodato Simo <dato@google.com>...
kvm: Make _GetKVMVersion() return integers
The current code returns the major, minor and rev portions of the version ofKVM as strings. Returning them as integers makes it easier to compare.
Signed-off-by: Miguel Di Ciurcio Filho <miguel.filho@gmail.com>...
kvm: Improve network syntax and tests
The current syntax when defining a NIC uses a pair of arguments, like this:
-net tap,vlan=0 -net nic,vlan=0,model=virtio
When using this pair, internally KVM will create a VLANState structure to sendethernet frames between the guest NIC and the host tap device. This is...
Merge branch 'devel-2.2'
kvm: collapse two consecutive extend calls
kvm: Introduce support for -mem-path
Using hugepages, KVM instances can get a good performance boost. Toactivate that, we need to pass the -mem-path argument to KVM along withthe mount point of the hugetlbfs file system on the node.
For the sake of memory availability computation, we use the -mem-prealloc...
KVM: Add function to check the hypervisor version
Fix migration on new KVMs
New KVMs (0.12.1.2-el6 and 0.13.5 tested) exit immediately afterunsuccessful network connection when they are in "-incoming" mode. Thesimple check netutils.TcpPing causes remote kvm to exit so the migrationwill always fail. This check is also redundant by the way as if the...
Merge branch 'devel-2.1' into devel-2.2
Conflicts: man/gnt-instance.sgml...
Introduce new IPAddress classes
This patch unifies the netutils functions dealing with IP addresses tothree classes:- IPAddress: Common IP address functionality- IPv4Address: IPv4 specific functionality- IPv6address: IPv6-specific functionality
Furthermore it adds methods to check whether an address is a loopback...
Restore 'tablet mouse on vnc' behavior
We needed to revert commit 5b062a58ac76b39c2dc6a7e1543affdf43dc7ee7because it was in conflict with the usb_mouse hv parameter. Here wereintroduce its functionality only when usb_mouse is not specified.
Revert "Add -usbdevice tablet to KVM when using vnc"
This reverts commit 5b062a58ac76b39c2dc6a7e1543affdf43dc7ee7.This fixes issue 109. The mouse type can be set with the usb_mousehv parameter.
Rename migration type to migration mode
This is in preparation for the rename of the opcode 'live' parameter to'mode'.
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: René Nussbaumer <rn@google.com>
Add a migration type global hypervisor parameter
Since migration live/non-live is more stable (e.g.) for Xen-PVM versusXen-HVM, we introduce a new parameter for what mode we should use bydefault (if not overridden by the user, in the opcode).
The meaning of the opcode 'live' field changes from boolean to either...
KVM hypervisor: Use utils.ShellWriter for network script
This patch converts hv_kvm to use utils.ShellWriter for writingthe network script. It also adds a few unittests (the firstfor any hypervisor modules).
Signed-off-by: Michael Hanselmann <hansmi@google.com>...
Introduce lib/netutils.py
This patch moves network utility functions to a dedicated module.
Signed-off-by: Manuel Franceschini <livewire@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
Introduce utils.IsValidIP{4,6}()
This patch introduces functions to check for valid IPv4 and IPv6addresses and converts IsValidIP() to return True if it is either a IPv4or a IPv6 address.
For now we do not change the functional behavior and replace IsValidIP...
Replace '0.0.0.0' with constant
Signed-off-by: Manuel Franceschini <livewire@google.com>Reviewed-by: Guido Trotter <ultrotter@google.com>
_ExecuteKVMRuntime: fix hv parameter fun
When executing the kvm runtime we were currently accessing a mix of theparameters as configured currently on the instance and the ones it wasstarted with. We were doing it without a precise criteria, but quite by...
Update FinalizeMigration docstring
This is used not only for aborted migrations, so the docstring shouldreflect that.
Add KVM chroot feature
This patch adds a new boolean hypervisor parameter to the KVM hypervisor,named 'use_chroot'.If it's turned on for an instance, than KVM is started in "chroot mode":Ganeti creates an empty directory for the instance and passes the path...
KVM: Migration bandwidth and downtime control
Introduce 2 new hypervisor options, migration_bandwidth and migration_downtimeand implement KVM migration bandwidth and downtime control.
migration_bandwidth controls KVM's maximal bandwidth during migration, in...
KVM: vhost net acceleration support
This will only work on patched or newer (>= 2.6.34) kernels and with apatched version of qemu-kvm.
Convert some ReadFile calls to ReadOneLineFile
For passwords we require strict oneliners, we're a bit more lax with pidand uid files.
KVM: only export instance tags if present
Currently non-tagged instances fail starting with a TypeError.
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Iustin Pop <iustin@google.com>Reviewed-by: Balazs Lecz <leczb@google.com>
KVM: make tags available in KVM_NET_SCRIPT
Make instance tags available as a space-separated list during the execution ofthe network setup script. This allows tag-based control of things like firewallrules and/or networking setup.
Add a hypervisor constant for migration support
This variable can be used by other tools to determine in a generic waywhether a given hypervisor supports migration or not.
Fix indentation error
Commit 9cf4321fc39ec36359d9c90b22b36d33b6adc2f4 indented some lines by4 spaces rather than 2, and was git-amed without noticing. Fixing.
Only use boot=on on non-ide disks only (KVM)
boot=on implies that KVM boots using extboot. This is only requiredto boot non-IDE disks and has the side-effect that there is at mostone bootable device. This behaviour breaks some operating systems,most notably the windows installer that tries to chainload the hard-disk...