[Engine-devel] [help]how to get the CA certificate when uploader ISO
by Sheldon
error when I update a iso to iso domain by engine-iso-uploader
# engine-iso-uploader --iso-domain=ISO upload Fedora-17-x86_64-DVD.iso
Please provide the REST API password for the admin@internal oVirt Engine
user (CTRL+D to abort):
ERROR: [ERROR]::ca_file (CA certificate) must be specified for SSL
connection.
INFO: Use the -h option to see usage.
but I manual engine-iso-uploader, there is no any information about
certificate.
# man engine-iso-uploader
--
Sheldon Feng(冯少合)<shaohef(a)linux.vnet.ibm.com>
IBM Linux Technology Center
12 years, 1 month
[Engine-devel] Question about hasMemoryToRunVM() in RunVmCommandBase
by ly pan
Hi:
This is my test environment:
hardware: Dell PowerEdge 2710 ,Memory 48G
Software: OVirt engine 3.0 ,VDSM 4.9.4 ,kernel 2.6.32-279.2.1.el6.x86_64
I create 100 vms from pool(each vm has 512M memory and has
1M memory garanteed, with guest_overhead = 65 and reserved_mem = 256),
but only 83 vms
turn out to run. When I run the 84th vm, engine says there is not
enough memory. However at this time KSM is enabled and 15G free memory
is still left on the host.
I checked the code and found out that before running a vm, the
function hasMemoryToRunVM() in RunVmCommandBase would decide whether
there is enough memory in the selected host to run it.
The Algorithm in the function is like this:
mem_avaliable >= mem_required = curVds.getmem_commited() +
curVds.getpending_vmem_size()
+ curVds.getguest_overhead() + curVds.getreserved_mem() +
vm.getMinAllocatedMem();
And here is my question: curVds.getmem_commited() is caculated from
the memory of vm
assigned by user. But when the host is running with KSM enabled, the
actual memory of each
running vm would be smaller than the memory the user assigned to. In
this case, the following
may occur: engine says there be no more memroy to run any vm while the
host has much free
space to run more vms(in my case, 15G).
Therefore I think the actual memory size reported by vdsm(The KSM
shared memory) should be taken into account when calculating
curVds.getmem_commited(). Any ideas are welcome.
12 years, 1 month
[Engine-devel] Splitting out the oVirt engine installer
by Derek Higgins
Hi All,
First time poster here so let me know if this is better directed
some where else
I have been writing a installer for openstack and as a base for this
I've split out the generic parts of your engine-setup utility[1].
In order to do this I've created a generic installer[2] that is
basically all of the parts of the oVirt engine installer that I needed
for my openstack installer[3]
I'd now like to see if there is interest here to use this generic
installer for oVirt.
I may have stripped out some stuff from the installer that I should have
left in, if that is the case I'm open to recreating this repository with
anything generic I shouldn't have stripped out so that the original
history is maintained. Would anybody here like to look into the work
necessary to use this installer in oVirt? For openstack I've made
exclusive use of the plugin functionality and I suspect most changes
that would be needed for oVirt would be to move a lot of the code into a
similar pattern.
If you have any questions/comments just let me know, hopefully you will
find this useful and other projects could make use of the great work you
have done developing this setup utility
Thanks,
Derek.
[1]
https://github.com/derekhiggins/ovirt-engine/tree/master/packaging/fedora...
[2] https://github.com/derekhiggins/installer
[3] https://github.com/derekhiggins/os-installer
12 years, 1 month
[Engine-devel] unmanaged devices thrown into 'custom' feature
by Dan Kenigsberg
I have just noticed that when a VM is started for the second time, Engine
issues the "create" vdsm verb with some information regarding
"unmanaged" devices (an example is shown below[1]) in the 'custom'
propery bag.
I'm surprised about this, as I was not aware of this usage of the
'custom' dictionary, and Vdsm is not doing anything with the data.
Would anyone elaborate about it? On the face of it, it does not seem
like a pleasant API. If Engine wants to tell Vdsm about the location of
various devices, we should probably be using the 'devices' property, not
the bag of 'custom' property made for user-defined hooks.
I hope this API pecularity can be avoided, and very much hope that no
one is depending on it.
Dan.
[1]
'custom': {
'device_e97a9759-1c1b-45ed-9ed9-7136ef538315': 'VmDevice {vmId=068d4914-4191-400d-a220-17a7f2d8e80c, deviceId=e97a9759-1c1b-45ed-9ed9-7136ef538315, device=ide, type=controller, bootOrder=0, specParams={}, address={bus=0x00, domain=0x0000, type=pci, slot=0x01, function=0x1}, managed=false, plugged=true, readOnly=false, alias=ide0}',
'device_e97a9759-1c1b-45ed-9ed9-7136ef538315device_133d9bfa-c531-414e-ad20-208d67d5a5e6device_7bfffa34-2e27-4b01-b499-6ac79c997709': 'VmDevice {vmId=068d4914-4191-400d-a220-17a7f2d8e80c, deviceId=7bfffa34-2e27-4b01-b499-6ac79c997709, device=unix, type=channel, bootOrder=0, specParams={}, address={port=1, bus=0, controller=0, type=virtio-serial}, managed=false, plugged=true, readOnly=false, alias=channel0}',
'device_e97a9759-1c1b-45ed-9ed9-7136ef538315device_133d9bfa-c531-414e-ad20-208d67d5a5e6': 'VmDevice {vmId=068d4914-4191-400d-a220-17a7f2d8e80c, deviceId=133d9bfa-c531-414e-ad20-208d67d5a5e6, device=virtio-serial, type=controller, bootOrder=0, specParams={}, address={bus=0x00, domain=0x0000, type=pci, slot=0x04, function=0x0}, managed=false, plugged=true, readOnly=false, alias=virtio-serial0}',
'device_e97a9759-1c1b-45ed-9ed9-7136ef538315device_133d9bfa-c531-414e-ad20-208d67d5a5e6device_7bfffa34-2e27-4b01-b499-6ac79c997709device_7c107c63-605f-4b21-9893-c052ec211424device_48007de9-467d-46a1-aa84-cc1a6419b5fb': 'VmDevice {vmId=068d4914-4191-400d-a220-17a7f2d8e80c, deviceId=48007de9-467d-46a1-aa84-cc1a6419b5fb, device=spicevmc, type=channel, bootOrder=0, specParams={}, address={port=3, bus=0, controller=0, type=virtio-serial}, managed=false, plugged=true, readOnly=false, alias=channel2}',
'device_e97a9759-1c1b-45ed-9ed9-7136ef538315device_133d9bfa-c531-414e-ad20-208d67d5a5e6device_7bfffa34-2e27-4b01-b499-6ac79c997709device_7c107c63-605f-4b21-9893-c052ec211424': 'VmDevice {vmId=068d4914-4191-400d-a220-17a7f2d8e80c, deviceId=7c107c63-605f-4b21-9893-c052ec211424, device=unix, type=channel, bootOrder=0, specParams={}, address={port=2, bus=0, controller=0, type=virtio-serial}, managed=false, plugged=true, readOnly=false, alias=channel1}'
}
12 years, 1 month
[Engine-devel] alias in disk instead of name
by Michael Pasternak
The problem we caused by using alias in disk instead of name is break of search-by-name paradigm
in engine.search dialect, not sure why we do not want forcing disk name to be unique [1],
but lack of "name" in disk search is does not look good in my view.
thoughts?
[1] can be easily achieved via appropriate can-do-action verification.
background:
==========
On 10/15/2012 02:09 PM, Einav Cohen wrote:
> we didn't exactly renamed "name" to "alias"; "name" is an automatic identifier of the disk, which is: "Disk n", n=internal drive mapping; "alias" is a *user-defined*
identifier.
>
> IIRC, once we understood that we need a user-defined identifier for the disk business entity, we indeed had in mind re-using "name", however, the "name" field in other
business entities is unique across the system, and we didn't want the disk user-defined identifier to be unique, so we preferred to not (re)use the term "name" and came up
with "alias", to avoid confusion.
>
> ----- Original Message -----
>> From: "Michael Pasternak" <mpastern(a)redhat.com>
>> To: "Einav Cohen" <ecohen(a)redhat.com>
>> Sent: Monday, October 15, 2012 1:58:26 PM
>> Subject: alias in disk instead of name
>>
>> hi,
>>
>> can you remind me why did we renamed name to alias in disk?
>>
>> --
>>
>> Michael Pasternak
>> RedHat, ENG-Virtualization R&D
>>
--
Michael Pasternak
RedHat, ENG-Virtualization R&D
12 years, 2 months
[Engine-devel] UI Plugins: PoC patch revision 6 now available
by Vojtech Szocs
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Hi guys,
the latest revision of UI Plugins proof-of-concept patch is now available for you to experiment with. You can download the patch from oVirt Gerrit at http://gerrit.ovirt.org/#/c/8120/2 (patch set 2).
Please read on to learn what's new in this revision. If you have any comments, questions or ideas, please let me know!
0. UI plugin path information resolved using local Engine configuration
Server-side UI plugin infrastructure now uses local (machine-specific) Engine configuration instead of global ( vdc_options database table) Engine configuration:
* Previously, path information was resolved through org.ovirt.engine.core.common.config.Config class - Engine configuration values were retrieved from vdc_options database table.
* Currently, path information is resolved through org.ovirt.engine.core.utils.LocalConfig class - Engine configuration values are retrieved from local file system.
In case you're not working with oVirt Engine through RPM package system, e.g. you have a local development environment set up and you build and deploy oVirt Engine through Maven, please follow these steps:
a. Copy default Engine configuration into /usr/share/ ovirt-engine /conf
# mkdir -p /usr/share/ovirt-engine/conf
# cp <OVIRT_HOME>/backend/manager/conf/engine.conf.defaults /usr/share/ovirt-engine/conf/engine.conf.defaults
b. If necessary, copy UI plugin data files from /usr/share/engine/ui-plugins to /usr/share/ ovirt-engine /ui-plugins
c. If necessary, copy UI plugin config files from /etc/engine/ui-plugins to /etc/ ovirt-engine /ui-plugins
d, In case you want to override the default Engine configuration, put your custom property file into /etc/sysconfig/ovirt-engine
The reason behind this change is that path information for UI plugin data and configuration is typically machine-specific, and should be customizable per machine through Engine local configuration.
1. New plugin API function: addMainTabActionButton
The "addMainTabActionButton" API adds custom context-sensitive button to the given main tab's data grid, along with corresponding data grid context menu item.
addMainTabActionButton(entityTypeName, label, actionButtonInterface)
entityTypeName indicates which main tab's data grid the button should be added to, according to the entity type associated with the main tab. entityTypeName values are strings reflecting org.ovirt.engine.ui.webadmin.plugin.entityEntityType enum members. Following entityTypeName values are currently supported (values are case-sensitive): "DataCenter", "Cluster", "Host", "Storage", "Disk", "VirtualMachine", "Template".
Note: "Pool" value is currently not supported, because of org.ovirt.engine.core.common.businessentities.vm_pools entity not implementing the BusinessEntity interface, not sure why though. Maybe we should switch from BusinessEntity to IVdcQueryable interface and always cast getQueryableId method result value to Guid?
label is the title displayed on the button .
actionButtonInterface represents an object that "implements the button interface" by declaring its functions: onClick , isEnabled , isAccessible . All functions of actionButtonInterface receive currently selected item(s) as function arguments.
Let's take a closer look at the concept behind actionButtonInterface . In traditional class-based object-oriented languages, such as Java, interface is an abstract type that contains method declarations without an implementation. A class that implements the given interface must implement all methods declared by that interface (unless it's an abstract class, but this isn't relevant in our case).
In contrast with traditional class-based object-oriented languages, JavaScript supports OOP through prototype-based programming model (https://developer.mozilla.org/en-US/docs/JavaScript/Introduction_to_Objec...). At the same time, JavaScript language is dynamically-typed and therefore doesn't support traditional concept of interface in OOP, it uses "duck typing" technique instead (http://en.wikipedia.org/wiki/Duck_typing).
The simplest way to provide an object that "implements the given interface" in JavaScript is to use "duck typing" technique: providing an object that contains well-known functions. In UI plugin infrastructure, I call this concept "interface object", represented by org.ovirt.engine.ui.webadmin.plugin.jsni.JsInterfaceObject class. Unlike the traditional concept of interface abstract type in object-oriented languages, an "interface object" does not necessarily have to declare all functions of the given interface in order to "implement" such interface. In fact, an empty object can be used as a valid "interface object". Missing functions will be simply treated as empty (no-op) functions. Furthermore, an "interface object" can "implement" multiple interfaces by declaring functions of those interfaces (interface composition).
Getting back to "addMainTabActionButton" API, here's a sample code that adds new button to "Host" main tab data grid, as part of UiInit event handler function:
UiInit: function () {
api. addMainTabActionButton ('Host', 'Single-Host Action',
// Action button interface object
// All functions receive currently selected item(s) as function arguments
{
// Called when the user clicks the button
onClick : function () {
// Calling 'arguments[0]' is safe, because onClick() can be called
// only when exactly one item is currently selected in the data grid
window.alert('Selected host entity ID = ' + arguments[0].entityId);
},
// Returning 'true' means the button is enabled (clickable)
// Returning 'false' means the button is disabled (non-clickable)
// Default value = 'true'
isEnabled : function () {
// Enable button only when exactly one item is selected
return arguments.length == 1;
},
// Returning 'true' means the button is visible
// Returning 'false' means the button is hidden
// Default value = 'true'
isAccessible : function () {
// Always show the button in the corresponding data grid
return true ;
}
}
);
}
As mentioned above, all functions of an interface object are optional. For functions expecting return value, default value is defined by UI plugin infrastructure. For example:
* onClick - no default value (no return value expected)
* isEnabled / isAccessible - default value "true" (boolean return value expected)
Note: UI plugin infrastructure checks the actual return value type, and uses default value in case the function returned something of wrong (unexpected) type.
In the example above, "currently selected item(s)" maps to JSON-like representations of business entities currently selected in the corresponding data grid. For now, the entity representation is quite simple and same for all entity types:
{ entityId: "[BusinessEntityGuidAsString]" }
In future, we will create specific JSON-like representations for specific business entities, in compliance with Engine REST API entity structure.
For a more extensive example of using "addMainTabActionButton" API, please see the attached "addMainTabActionButton.html.example" file.
2. Improved plugin API function: addMainTab
The "addMainTab" API was improved to address following issues:
* "addMainTab" can now be called at any moment during UI plugin runtime, given that the plugin is allowed invoke plugin API functions (plugin is either INITIALIZING or IN_USE). Previously, "addMainTab" worked reliably only when called from within UiInit event handler function. Currently, it's possible to call "addMainTab" at any moment, e.g. from within some other event handler function (after UiInit has completed).
*
"addMainTab" now retains "active" tab (highlighted tab GUI). "addMainTab" works by adding new tab component (GWTP presenter proxy) and refreshing main tab panel GUI by removing all related tabs and re-adding them again. This logic is handled by org.ovirt.engine.ui.common.presenter.DynamicTabContainerPresenter class, which makes sure that "active" tab is retained even after main tab panel was refreshed.
Furthermore, custom main tab implementation now displays the content of the given URL through HTML iframe element.
3. Improved native JavaScript function handling (GWT JSNI)
This patch introduces org.ovirt.engine.ui.webadmin.plugin.jsni.JsFunction and org.ovirt.engine.ui.webadmin.plugin.jsni.JsFunctionResultHelper classes providing Java abstraction for invoking native JavaScript functions. These classes follow the general contract of "interface object" as mentioned above.
JsFunctionResultHelper is particularly useful when dealing with functions which are expected to return value of a certain type. Too bad standard GWT JSNI classes don't provide such abstraction for working with native functions out-of-the-box...
4 . ActionPanel and ActionTable type hierarchy refactoring (related to "addMainTabActionButton" API)
Previously, AbstractActionPanel and AbstractActionTable classes didn't implement any reasonable interface that would allow other components (client-side UI plugin infrastructure) to depend on their functionality in a loosely-coupled manner. This would make code that implements "addMainTabActionButton" API "ugly": main tab view interface would have to reference AbstractActionTable class directly. In MVP design pattern, view interface should avoid referencing specific GWT Widget classes directly.
This patch introduces new interfaces for ActionPanel and ActionTable components while eliminating code redundancy (duplicate or unnecessary code).
5. ActionPanel type hierarchy refactoring (related to "addMainTab" API)
Since org.ovirt.engine.ui.common.presenter.DynamicTabContainerPresenter defines new DynamicTabPanel interface that extends standard GWTP TabPanel interface, some refactoring had to be done in related ActionPanel classes.
This patch makes sure that both org.ovirt.engine.ui.common.widget.tab.AbstractTabPanel (widget) and org.ovirt.engine.ui.common.view.AbstractTabPanelView (view) support DynamicTabPanel interface.
Note that for now, only main tab panel (org.ovirt.engine.ui.webadmin.section.main.presenter.MainTabPanelPresenter) supports dynamic tabs within its view.
Where is addSubTab API function?
Implementing "addSubTab" API requires some more changes, and I didn't want to delay this PoC patch just because of it...
Here's a sample code that illustrates proposed "addSubTab" API usage:
UiInit: function () {
api. addSubTab ('Host', // entityTypeName
'Custom Host Sub Tab', // label
'custom-host-sub-tab', // historyToken
'http://www.ovirt.org/', // contentUrl
// Sub tab interface object
// All functions receive currently selected item(s)
// within the main tab data grid as function arguments
{
// Returning 'true' means the sub tab is visible
// Returning 'false' means the sub tab is hidden
// Default value = 'true'
isAccessible : function () {
return arguments.length == 1 && arguments[0].entityId == '<MyHostEntityId>' ;
}
}
);
}
As part of "addSubTab" API implementation, I'll refactor custom main tab components, in order to use one "tab type" for both main and sub tabs.
Currently, we have one (and only one) "tab type" - a tab that shows content of the given URL through HTML iframe element.
We could also create new "tab types", e.g. form-based tab that shows key/value pairs (IMHO this could be quite useful for custom sub tabs).
Let me know what you think!
Cheers,
Vojtech
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<html><head><style type=3D'text/css'>p { margin: 0; }</style></head><body><=
div style=3D'font-family: times new roman,new york,times,serif; font-size: =
12pt; color: #000000'>Hi guys,<br><br>the latest revision of UI Plugins pro=
of-of-concept patch is now available for you to experiment with. You can do=
wnload the patch from oVirt Gerrit at http://gerrit.ovirt.org/#/c/8120/2 (p=
atch set 2).<br><br>Please read on to learn what's new in this revision. If=
you have any comments, questions or ideas, please let me know!<br><br><hr =
style=3D"width: 100%; height: 2px;"><br><strong>0. UI plugin path informati=
on resolved using local Engine configuration</strong><br style=3D"font-weig=
ht: bold;"><br>Server-side UI plugin infrastructure now uses local (machine=
-specific) Engine configuration instead of global (<em>vdc_options</em> dat=
abase table) Engine configuration:<br><ul><li>Previously, path information =
was resolved through org.ovirt.engine.core.common.config.Config=20
class - Engine configuration values were retrieved from <span style=3D"font=
-style: italic;">vdc_options</span> database table.</li><li>Currently, path=
information is resolved through org.ovirt.engine.core.utils.LocalConfig=20
class - Engine configuration values are retrieved from local
file system.</li></ul>In case you're not working with oVirt Engine through=
RPM package system, e.g. you have a local development environment set up a=
nd you build and deploy oVirt Engine through Maven, please follow these ste=
ps:<br><br>a. Copy default Engine configuration into /usr/share/<span style=
=3D"font-weight: bold;">ovirt-engine</span>/conf<br><br><div style=3D"margi=
n-left: 40px; font-family: courier new,courier,monaco,monospace,sans-serif;=
"># mkdir -p /usr/share/ovirt-engine/conf<br># cp <OVIRT_HOME>/backen=
d/manager/conf/engine.conf.defaults /usr/share/ovirt-engine/conf/engine.con=
f.defaults</div><br>b. If necessary, copy UI plugin data files from /usr/sh=
are/engine/ui-plugins to /usr/share/<span style=3D"font-weight: bold;">ovir=
t-engine</span>/ui-plugins<br><br>c. If necessary, copy UI plugin config fi=
les from /etc/engine/ui-plugins to /etc/<span style=3D"font-weight: bold;">=
ovirt-engine</span>/ui-plugins<br><br>d, In case you want to override the d=
efault Engine configuration, put your custom property file into /etc/syscon=
fig/ovirt-engine<br><br>The reason behind this change is that path informat=
ion for UI plugin data and configuration is typically machine-specific, and=
should be customizable per machine through Engine local configuration.<br>=
<br><hr style=3D"width: 100%; height: 2px;"><br><span style=3D"font-weight:=
bold;">1. New plugin API function: addMainTabActionButton</span><br style=
=3D"font-weight: bold;"><br>The "addMainTabActionButton" API adds custom co=
ntext-sensitive button to the given main tab's data grid, along with corres=
ponding data grid context menu item.<br><br><span style=3D"font-family: cou=
rier new,courier,monaco,monospace,sans-serif;">addMainTabActionButton(entit=
yTypeName, label, actionButtonInterface)</span><br style=3D"font-family: co=
urier new,courier,monaco,monospace,sans-serif;"><em style=3D"font-family: c=
ourier new,courier,monaco,monospace,sans-serif;"></em><br><span style=3D"fo=
nt-style: italic;">entityTypeName</span> indicates which main tab's data gr=
id the button should be added to, according to the entity type associated w=
ith the main tab.<span style=3D"font-style: italic;"> entityTypeName</span>=
values are strings reflecting org.ovirt.engine.ui.webadmin.plugin.entityEn=
tityType enum members. Following <span style=3D"font-style: italic;">entity=
TypeName</span> values are currently supported (values are case-sensitive):=
"DataCenter", "Cluster", "Host", "Storage", "Disk", "VirtualMachine", "Tem=
plate".<br><br>Note: "Pool" value is currently not supported, because of or=
g.ovirt.engine.core.common.businessentities.vm_pools entity not implementin=
g the BusinessEntity interface, not sure why though. Maybe we should switch=
from BusinessEntity to IVdcQueryable interface and always cast getQueryabl=
eId method result value to Guid?<br><br><span style=3D"font-style: italic;"=
>label</span> is the title displayed on the button<span style=3D"font-style=
: italic;">.<br></span><br><span style=3D"font-style: italic;">actionButton=
Interface</span> represents an object that "implements the button interface=
" by declaring its functions: <span style=3D"font-style: italic;">onClick</=
span>, <span style=3D"font-style: italic;">isEnabled</span>, <span style=3D=
"font-style: italic;">isAccessible</span>. All functions of <span style=3D"=
font-style: italic;">actionButtonInterface</span> receive currently selecte=
d item(s) as function arguments.<br><br>Let's take a closer look at the con=
cept behind <span style=3D"font-style: italic;">actionButtonInterface</span=
>. In traditional class-based object-oriented languages, such as Java, inte=
rface is an abstract type that contains method declarations without an impl=
ementation. A class that implements the given interface must implement all =
methods declared by that interface (unless it's an abstract class, but this=
isn't relevant in our case).<br><br>In contrast with traditional class-bas=
ed object-oriented languages, JavaScript supports OOP through prototype-bas=
ed programming model (https://developer.mozilla.org/en-US/docs/JavaScript/I=
ntroduction_to_Object-Oriented_JavaScript). At the same time, JavaScript la=
nguage is dynamically-typed and therefore doesn't support traditional conce=
pt of interface in OOP, it uses "duck typing" technique instead (http://en.=
wikipedia.org/wiki/Duck_typing).<br><br>The simplest way to provide an obje=
ct that "implements the given interface" in JavaScript is to use "duck typi=
ng" technique: providing an object that contains well-known functions. In U=
I plugin infrastructure, I call this concept "interface object", represente=
d by org.ovirt.engine.ui.webadmin.plugin.jsni.JsInterfaceObject class. Unli=
ke the traditional concept of interface abstract type in object-oriented la=
nguages, an "interface object" <u>does not necessarily have to declare all =
functions of the given interface</u> in order to "implement" such interface=
. In fact, an empty object can be used as a valid "interface object". Missi=
ng functions will be simply treated as empty (no-op) functions. Furthermore=
, an "interface object" can "implement" multiple interfaces by declaring fu=
nctions of those interfaces (interface composition).<br><br>Getting back to=
"addMainTabActionButton" API, here's a sample code that adds new button to=
"Host" main tab data grid, as part of UiInit event handler function:<br><b=
r><span style=3D"font-family: courier new,courier,monaco,monospace,sans-ser=
if;">UiInit: <span style=3D"font-weight: bold; color: rgb(153, 0, 0);">func=
tion</span>() {</span><br style=3D"font-family: courier new,courier,monaco,=
monospace,sans-serif;"><span style=3D"font-family: courier new,courier,mona=
co,monospace,sans-serif;"></span><span style=3D"font-family: courier new,co=
urier,monaco,monospace,sans-serif;"> api.<span style=3D"c=
olor: rgb(204, 51, 204);">addMainTabActionButton</span>('Host', 'Single-Hos=
t Action',<br><br><span style=3D"color: rgb(0, 102, 0);"> =
// Action button interface object</span><br style=
=3D"color: rgb(0, 102, 0);"><span style=3D"color: rgb(0, 102, 0);"> &n=
bsp; // All functions receive currently selec=
ted item(s) as function arguments</span><br style=3D"color: rgb(0, 102, 0);=
"> {</span><br><br><span style=3D=
"font-family: courier new,courier,monaco,monospace,sans-serif; color: rgb(0=
, 102, 0);"> // Cal=
led when the user clicks the button</span><br style=3D"color: rgb(0, 102, 0=
);"><span style=3D"font-family: courier new,courier,monaco,monospace,sans-s=
erif; color: rgb(0, 102, 0);"></span><span style=3D"font-family: courier ne=
w,courier,monaco,monospace,sans-serif;"> &nb=
sp; <span style=3D"color: rgb(0, 0, 153);">onClick</span>: <sp=
an style=3D"font-weight: bold; color: rgb(153, 0, 0);">function</span>() {<=
br></span><span style=3D"font-family: courier new,courier,monaco,monospace,=
sans-serif; color: rgb(0, 102, 0);"> &nb=
sp; // Calling 'arguments[0]' is safe, bec=
ause onClick() can be called<br> &=
nbsp; // only when exactly one item is curr=
ently selected in the data grid</span><br style=3D"font-family: courier new=
,courier,monaco,monospace,sans-serif; color: rgb(0, 102, 0);"><span style=
=3D"font-family: courier new,courier,monaco,monospace,sans-serif;"> &n=
bsp; </span><span style=3D"font-family: courier new,courier,monaco,mo=
nospace,sans-serif;"> </span><span style=3D"font-family: =
courier new,courier,monaco,monospace,sans-serif;"> &=
nbsp; </span><span style=3D"font-family: courier new,courier,mo=
naco,monospace,sans-serif;">window.alert('Selected host entity ID =3D ' + a=
rguments[0].entityId);</span><br style=3D"font-family: courier new,courier,=
monaco,monospace,sans-serif;"><span style=3D"font-family: courier new,couri=
er,monaco,monospace,sans-serif;"> </span><s=
pan style=3D"font-family: courier new,courier,monaco,monospace,sans-serif;"=
> </span><span style=3D"font-family: courier new,courier,=
monaco,monospace,sans-serif;">},</span><br><br><span style=3D"font-family: =
courier new,courier,monaco,monospace,sans-serif; color: rgb(0, 102, 0);">&n=
bsp; // Returning 'true' means=
the button is enabled (clickable)</span><br style=3D"color: rgb(0, 102, 0)=
;"><span style=3D"font-family: courier new,courier,monaco,monospace,sans-se=
rif; color: rgb(0, 102, 0);"> &=
nbsp; // Returning 'false' means the button is disabled (non-clickable)</sp=
an><br style=3D"font-family: courier new,courier,monaco,monospace,sans-seri=
f; color: rgb(0, 102, 0);"><span style=3D"font-family: courier new,courier,=
monaco,monospace,sans-serif; color: rgb(0, 102, 0);"> &nbs=
p; // Default value =3D 'true'</s=
pan><br style=3D"font-family: courier new,courier,monaco,monospace,sans-ser=
if; color: rgb(0, 102, 0);">
<span style=3D"font-family: courier new,courier,monaco,monospace,sans-serif=
;"></span><span style=3D"font-family: courier new,courier,monaco,monospace,=
sans-serif;"> </span><span style=3D"font-family: courier =
new,courier,monaco,monospace,sans-serif;"> =
</span><span style=3D"font-family: courier new,courier,monaco,monospace,san=
s-serif;"><span style=3D"color: rgb(0, 0, 153);">isEnabled</span>: <span st=
yle=3D"font-weight: bold; color: rgb(153, 0, 0);">function</span>() {<br></=
span><span style=3D"font-family: courier new,courier,monaco,monospace,sans-=
serif; color: rgb(0, 102, 0);"> &n=
bsp; // Enable button only when exactly one=
item is selected</span><br style=3D"font-family: courier new,courier,monac=
o,monospace,sans-serif; color: rgb(0, 102, 0);"><span style=3D"font-family:=
courier new,courier,monaco,monospace,sans-serif;"> </spa=
n><span style=3D"font-family: courier new,courier,monaco,monospace,sans-ser=
if;"> </span><span style=3D"font-family: courier new,cour=
ier,monaco,monospace,sans-serif;">  =
; </span><span style=3D"font-family: courier new,courier,monaco,monospace,s=
ans-serif;"><span style=3D"font-weight: bold; color: rgb(153, 0, 0);">retur=
n</span> arguments.length =3D=3D 1;</span><br style=3D"font-family: courier=
new,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: cour=
ier new,courier,monaco,monospace,sans-serif;"> <=
/span><span style=3D"font-family: courier new,courier,monaco,monospace,sans=
-serif;"> </span><span style=3D"font-family: courier new,=
courier,monaco,monospace,sans-serif;">},</span><br><br><span style=3D"font-=
family: courier new,courier,monaco,monospace,sans-serif; color: rgb(0, 102,=
0);"> // Returning 'tru=
e' means the button is visible<br>  =
; // Returning 'false' means the button is hidden</=
span><br style=3D"font-family: courier new,courier,monaco,monospace,sans-se=
rif; color: rgb(0, 102, 0);"><span style=3D"font-family: courier new,courie=
r,monaco,monospace,sans-serif; color: rgb(0, 102, 0);"> =
// Default value =3D 'true'</span><br style=
=3D"font-family: courier new,courier,monaco,monospace,sans-serif; color: rg=
b(0, 102, 0);">
<span style=3D"font-family: courier new,courier,monaco,monospace,sans-serif=
;"></span><span style=3D"font-family: courier new,courier,monaco,monospace,=
sans-serif;"></span><span style=3D"font-family: courier new,courier,monaco,=
monospace,sans-serif;"> </span><span style=3D"font-family=
: courier new,courier,monaco,monospace,sans-serif;"> &n=
bsp; </span><span style=3D"font-family: courier new,courier,monaco,monospac=
e,sans-serif;"><span style=3D"color: rgb(0, 0, 153);">isAccessible</span>: =
<span style=3D"font-weight: bold; color: rgb(153, 0, 0);">function</span>()=
{</span><br><span style=3D"font-family: courier new,courier,monaco,monospa=
ce,sans-serif; color: rgb(0, 102, 0);"> =
// Always show the button in the co=
rresponding data grid</span><br style=3D"font-family: courier new,courier,m=
onaco,monospace,sans-serif; color: rgb(0, 102, 0);"><span style=3D"font-fam=
ily: courier new,courier,monaco,monospace,sans-serif;"> <=
/span><span style=3D"font-family: courier new,courier,monaco,monospace,sans=
-serif;"> </span><span style=3D"font-family: courier new,=
courier,monaco,monospace,sans-serif;"> &=
nbsp; </span><span style=3D"font-family: courier new,courier,monaco,monospa=
ce,sans-serif;"><span style=3D"font-weight: bold; color: rgb(153, 0, 0);">r=
eturn</span> <span style=3D"font-weight: bold; color: rgb(153, 0, 0);">true=
</span>;</span><br style=3D"font-family: courier new,courier,monaco,monospa=
ce,sans-serif;"><span style=3D"font-family: courier new,courier,monaco,mono=
space,sans-serif;"> </span><span style=3D"font-family: co=
urier new,courier,monaco,monospace,sans-serif;"> &nb=
sp; </span><span style=3D"font-family: courier new,courier,mona=
co,monospace,sans-serif;">}</span><br><br style=3D"font-family: courier new=
,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: courier =
new,courier,monaco,monospace,sans-serif;"> &nb=
sp; </span><span style=3D"font-family: courier new,courier,monaco,mon=
ospace,sans-serif;">}<br><br> );</span><br style=3D"font-=
family: courier new,courier,monaco,monospace,sans-serif;"><span style=3D"fo=
nt-family: courier new,courier,monaco,monospace,sans-serif;">}</span><br><b=
r>As mentioned above, all functions of an interface object are optional. Fo=
r functions expecting return value, default value is defined by UI plugin i=
nfrastructure. For example:<br><ul><li>onClick - no default value (no retur=
n value expected)</li><li>isEnabled / isAccessible - default value "true" (=
boolean return value expected)</li></ul><p></p><p>Note: UI plugin infrastru=
cture checks the actual return value type, and uses default value in case t=
he function returned something of wrong (unexpected) type.<br></p><br>In th=
e example above, "currently selected item(s)" maps to JSON-like representat=
ions of business entities currently selected in the corresponding data grid=
. For now, the entity representation is quite simple and same for all entit=
y types:<br><br><span style=3D"font-family: courier new,courier,monaco,mono=
space,sans-serif;">{ entityId: "[BusinessEntityGuidAsString]" }</span><br s=
tyle=3D"font-family: courier new,courier,monaco,monospace,sans-serif;"><br>=
In future, we will create specific JSON-like representations for specific b=
usiness entities, in compliance with Engine REST API entity structure.<br><=
br>For a more extensive example of using "addMainTabActionButton" API, plea=
se see the attached "addMainTabActionButton.html.example" file.<br><br><hr =
style=3D"width: 100%; height: 2px;"><br><span style=3D"font-weight: bold;">=
2. Improved plugin API function: addMainTab</span><br style=3D"font-weight:=
bold;"><br>The "addMainTab" API was improved to address following issues:<=
br><ul><li>"addMainTab" can now be called at any moment during UI plugin ru=
ntime, given that the plugin is allowed invoke plugin API functions (plugin=
is either INITIALIZING or IN_USE).<br>Previously, "addMainTab" worked reli=
ably only when called from within UiInit event handler function.<br>Current=
ly, it's possible to call "addMainTab" at any moment, e.g. from within some=
other event handler function (after UiInit has completed).</li></ul><ul><l=
i>"addMainTab" now retains "active" tab (highlighted tab GUI).<br>"addMainT=
ab" works by adding new tab component (GWTP presenter proxy) and refreshing=
main tab panel GUI by removing all related tabs and re-adding them again.<=
br>This logic is handled by org.ovirt.engine.ui.common.presenter.DynamicTab=
ContainerPresenter class, which makes sure that "active" tab is retained ev=
en after main tab panel was refreshed.<br></li></ul><p></p>Furthermore, cus=
tom main tab implementation now displays the content of the given URL throu=
gh HTML iframe element.<br><br><hr style=3D"width: 100%; height: 2px;"><br>=
<span style=3D"font-weight: bold;">3. Improved native JavaScript function h=
andling</span> (GWT JSNI)<br><br>This patch introduces org.ovirt.engine.ui.=
webadmin.plugin.jsni.JsFunction and org.ovirt.engine.ui.webadmin.plugin.jsn=
i.JsFunctionResultHelper classes providing Java abstraction for invoking na=
tive JavaScript functions. These classes follow the general contract of "in=
terface object" as mentioned above.<br><br>JsFunctionResultHelper is partic=
ularly useful when dealing with functions which are expected to return valu=
e of a certain type. Too bad standard GWT JSNI classes don't provide such a=
bstraction for working with native functions out-of-the-box...<br><br><hr s=
tyle=3D"width: 100%; height: 2px;"><br><span style=3D"font-weight: bold;">4=
. ActionPanel and ActionTable type hierarchy refactoring</span> (related to=
"addMainTabActionButton" API)<br style=3D"font-weight: bold;"><br>Previous=
ly, AbstractActionPanel and AbstractActionTable classes didn't implement an=
y reasonable interface that would allow other components (client-side UI pl=
ugin infrastructure) to depend on their functionality in a loosely-coupled =
manner. This would make code that implements "addMainTabActionButton" API "=
ugly": main tab view interface would have to reference AbstractActionTable =
class directly. In MVP design pattern, view interface should avoid referenc=
ing specific GWT Widget classes directly.<br><br>This patch introduces new =
interfaces for ActionPanel and ActionTable components while eliminating cod=
e redundancy (duplicate or unnecessary code).<br><br><hr style=3D"width: 10=
0%; height: 2px;"><br><span style=3D"font-weight: bold;">5. ActionPanel typ=
e hierarchy refactoring</span> (related to "addMainTab" API)<br><br>Since o=
rg.ovirt.engine.ui.common.presenter.DynamicTabContainerPresenter defines ne=
w DynamicTabPanel interface that extends standard GWTP TabPanel interface, =
some refactoring had to be done in related ActionPanel classes.<br><br>This=
patch makes sure that both org.ovirt.engine.ui.common.widget.tab.AbstractT=
abPanel (widget) and org.ovirt.engine.ui.common.view.AbstractTabPanelView (=
view) support DynamicTabPanel interface.<br><br>Note that for now, only mai=
n tab panel (org.ovirt.engine.ui.webadmin.section.main.presenter.MainTabPan=
elPresenter) supports dynamic tabs within its view.<br><br><hr style=3D"wid=
th: 100%; height: 2px;"><br><span style=3D"font-weight: bold;">Where is add=
SubTab API function?</span><br><br>Implementing "addSubTab" API requires so=
me more changes, and I didn't want to delay this PoC patch just because of =
it...<br><br>Here's a sample code that illustrates proposed "addSubTab" API=
usage:<br><br><span style=3D"font-family: courier new,courier,monaco,monos=
pace,sans-serif;">UiInit: <span style=3D"font-weight: bold; color: rgb(153,=
0, 0);">function</span>() {</span><br style=3D"font-family: courier new,co=
urier,monaco,monospace,sans-serif;">
<span style=3D"font-family: courier new,courier,monaco,monospace,sans-serif=
;"></span><span style=3D"font-family: courier new,courier,monaco,monospace,=
sans-serif;"> api.<span style=3D"color: rgb(204, 51, 204)=
;">addSubTab</span>('Host', <span styl=
e=3D"color: rgb(0, 102, 0);">// entityTypeName</span><br> =
'Custom Host Sub Tab', <span style=3D"=
color: rgb(0, 102, 0);">// label</span><br> &n=
bsp; 'custom-host-sub-tab', <span style=3D"color: rgb(0, 102, =
0);">// historyToken</span><br> '=
http://www.ovirt.org/', <span style=3D"color: rgb(0, 102, 0);">// contentUr=
l<br><br></span> <span style=3D"b=
ackground-color: rgb(255, 255, 255); color: rgb(0, 102, 0);">// Sub tab int=
erface object<br> // </span></spa=
n><span style=3D"font-family: courier new,courier,monaco,monospace,sans-ser=
if;"><span style=3D"color: rgb(0, 102, 0);">All functions receive currently=
selected item(s)<br> // within t=
he main tab data grid as function arguments</span></span><br style=3D"color=
: rgb(0, 102, 0);"><span style=3D"font-family: courier new,courier,monaco,m=
onospace,sans-serif;"><span style=3D"background-color: rgb(255, 255, 255); =
color: rgb(0, 102, 0);"></span>
{</span><br>
<br>
<span style=3D"font-family: courier new,courier,monaco,monospace,sans-serif=
; color: rgb(0, 102, 0);"></span><span style=3D"font-family: courier new,co=
urier,monaco,monospace,sans-serif; color: rgb(0, 102, 0);"> &nbs=
p; // Returning 'true' means the sub tab i=
s visible<br>
// Retur=
ning 'false' means the sub tab is hidden</span><br style=3D"font-family: co=
urier new,courier,monaco,monospace,sans-serif; color: rgb(0, 102, 0);">
<span style=3D"font-family: courier new,courier,monaco,monospace,sans-serif=
; color: rgb(0, 102, 0);"> &nbs=
p; // Default value =3D 'true'</span><br style=3D"font-family: courier new,=
courier,monaco,monospace,sans-serif; color: rgb(0, 102, 0);">
<span style=3D"font-family: courier new,courier,monaco,monospace,sans-serif=
;"></span><span style=3D"font-family: courier new,courier,monaco,monospace,=
sans-serif;"></span><span style=3D"font-family: courier new,courier,monaco,=
monospace,sans-serif;"> </span><span style=3D"font-family=
: courier new,courier,monaco,monospace,sans-serif;"> &n=
bsp; </span><span style=3D"font-family: courier new,courier,monaco,monospac=
e,sans-serif;"><span style=3D"color: rgb(0, 0, 153);">isAccessible</span>: =
<span style=3D"font-weight: bold; color: rgb(153, 0, 0);">function</span>()=
{<br></span><span style=3D"font-family: courier new,courier,monaco,monospa=
ce,sans-serif;"> </span><span style=3D"font-family: couri=
er new,courier,monaco,monospace,sans-serif;"> </span><spa=
n style=3D"font-family: courier new,courier,monaco,monospace,sans-serif;">&=
nbsp; </span><span style=3D"font-family=
: courier new,courier,monaco,monospace,sans-serif;"><span style=3D"font-wei=
ght: bold; color: rgb(153, 0, 0);">return</span> </span><span style=3D"font=
-family: courier new,courier,monaco,monospace,sans-serif;">arguments.length=
=3D=3D 1</span><span style=3D"font-family: courier new,courier,monaco,mono=
space,sans-serif;"> && </span><span style=3D"font-family: courier n=
ew,courier,monaco,monospace,sans-serif;">arguments[0].entityId =3D=3D '<=
MyHostEntityId>'</span><span style=3D"font-family: courier new,courier,m=
onaco,monospace,sans-serif;">;</span><br style=3D"font-family: courier new,=
courier,monaco,monospace,sans-serif;">
<span style=3D"font-family: courier new,courier,monaco,monospace,sans-serif=
;"> </span><span style=3D"font-family: courier new,courie=
r,monaco,monospace,sans-serif;"> =
</span><span style=3D"font-family: courier new,courier,monaco,monospace,san=
s-serif;">}</span><br>
<br style=3D"font-family: courier new,courier,monaco,monospace,sans-serif;"=
>
<span style=3D"font-family: courier new,courier,monaco,monospace,sans-serif=
;"> </span><span style=3D"font-fa=
mily: courier new,courier,monaco,monospace,sans-serif;">}<br>
<br>
);</span><br style=3D"font-family: courier new,courier,m=
onaco,monospace,sans-serif;">
<span style=3D"font-family: courier new,courier,monaco,monospace,sans-serif=
;">}</span><br><br>As part of "addSubTab" API implementation, I'll refactor=
custom main tab components, in order to use one "tab type" for both main a=
nd sub tabs.<br><br>Currently, we have one (and only one) "tab type" - a ta=
b that shows content of the given URL through HTML iframe element.<br><br>W=
e could also create new "tab types", e.g. form-based tab that shows key/val=
ue pairs (IMHO this could be quite useful for custom sub tabs).<br><br><hr =
style=3D"width: 100%; height: 2px;"><br>Let me know what you think!<br><br>=
Cheers,<br>Vojtech<br><br></div></body></html>
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------=_Part_9716068_484635069.1350571769689--
12 years, 2 months
[Engine-devel] Cancelled: ovirt network
by Livnat Peer
------=_Part_1266476_408980827.1351085096193
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A single instance of the following meeting has been cancelled:
Subject: ovirt network
Organiser: "Livnat Peer" <lpeer(a)redhat.com>
Time: Wednesday, 24 October, 2012, 4:00:00 PM - 5:00:00 PM GMT +02:00 Jerusalem
Invitees: engine-devel(a)ovirt.org; vdsm-devel(a)lists.fedorahosted.org; GARGYA(a)de.ibm.com; dyasny(a)redhat.com; simon(a)redhat.com; mkolesni(a)redhat.com; atal(a)redhat.com; ilvovsky(a)redhat.com; dfediuck(a)redhat.com; pradipta.banerjee(a)gmail.com; gkotton(a)redhat.com ...
*~*~*~*~*~*~*~*~*~*
Hi All,
Due to day-light saving change in Israel this meeting collides with ovirt sync meeting this week.
I am cancelling this instance of the meeting, If there is a specific items you'd like to discuss related to networking please reply and we'll schedule a dedicated meeting.
Thanks, Livant
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<html><body><h3>A single instance of the following meeting has been cancelled:</h3>
<p>
<table border='0'>
<tr><th align=left>Subject:</th><td>ovirt network </td></tr>
<tr><th align=left>Organiser:</th><td>"Livnat Peer" <lpeer(a)redhat.com> </td></tr>
</table>
<p>
<table border='0'>
<tr><th align=left>Time:</th><td>Wednesday, 24 October, 2012, 4:00:00 PM - 5:00:00 PM GMT +02:00 Jerusalem
</td></tr></table>
<p>
<table border='0'>
<tr><th align=left>Invitees:</th><td>engine-devel(a)ovirt.org; vdsm-devel(a)lists.fedorahosted.org; GARGYA(a)de.ibm.com; dyasny(a)redhat.com; simon(a)redhat.com; mkolesni(a)redhat.com; atal(a)redhat.com; ilvovsky(a)redhat.com; dfediuck(a)redhat.com; pradipta.banerjee(a)gmail.com; gkotton(a)redhat.com ... </td></tr>
</table>
<div>*~*~*~*~*~*~*~*~*~*</div><br>Hi All,<br>Due to day-light saving change in Israel this meeting collides with ovirt sync meeting this week.<br><br>I am cancelling this instance of the meeting, If there is a specific items you'd like to discuss related to networking please reply and we'll schedule a dedicated meeting.<br><br>Thanks, Livant</body></html>
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Content-Transfer-Encoding: 7bit
BEGIN:VCALENDAR
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VERSION:2.0
METHOD:CANCEL
BEGIN:VTIMEZONE
TZID:Asia/Jerusalem
BEGIN:STANDARD
DTSTART:19710101T020000
TZOFFSETTO:+0200
TZOFFSETFROM:+0300
RRULE:FREQ=YEARLY;WKST=MO;INTERVAL=1;BYMONTH=9;BYDAY=4SU
TZNAME:IST
END:STANDARD
BEGIN:DAYLIGHT
DTSTART:19710101T020000
TZOFFSETTO:+0300
TZOFFSETFROM:+0200
RRULE:FREQ=YEARLY;WKST=MO;INTERVAL=1;BYMONTH=3;BYDAY=-1FR
TZNAME:IDT
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END:VTIMEZONE
BEGIN:VEVENT
UID:cfd70d5d-b663-41f3-b72a-15b532782b23
SUMMARY:Cancelled: ovirt network
COMMENT:A single instance of a recurring meeting has been cancelled.
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=TRUE:mailto:engine-
devel(a)ovirt.org
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=TRUE:mailto:vdsm-de
vel(a)lists.fedorahosted.org
ATTENDEE;CN=Tony Gargya/Germany/IBM;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTI
ON;RSVP=TRUE:mailto:GARGYA@de.ibm.com
ATTENDEE;CN=Dan Yasny;ROLE=REQ-PARTICIPANT;PARTSTAT=TENTATIVE;RSVP=TRUE:mail
to:dyasny@redhat.com
ATTENDEE;CN=Simon Grinberg;ROLE=REQ-PARTICIPANT;PARTSTAT=ACCEPTED;RSVP=TRUE:
mailto:simon@redhat.com
ATTENDEE;CN=Mike Kolesnik;PARTSTAT=ACCEPTED:mailto:mkolesni@redhat.com
ATTENDEE;CN=Avi Tal;PARTSTAT=ACCEPTED:mailto:atal@redhat.com
ATTENDEE;CN=Igor Lvovsky;PARTSTAT=ACCEPTED:mailto:ilvovsky@redhat.com
ATTENDEE;CN=Doron Fediuck;PARTSTAT=ACCEPTED:mailto:dfediuck@redhat.com
ATTENDEE;CN=Pradipta Kumar Banerjee;ROLE=REQ-PARTICIPANT;PARTSTAT=ACCEPTED:m
ailto:pradipta.banerjee@gmail.com
ATTENDEE;CN=Gary Kotton;ROLE=REQ-PARTICIPANT;PARTSTAT=ACCEPTED:mailto:gkotto
n(a)redhat.com
ATTENDEE;CN=Keith Robertson;PARTSTAT=ACCEPTED:mailto:kroberts@redhat.com
ATTENDEE;CN=Antoni Segura Puimedon;PARTSTAT=ACCEPTED:mailto:asegurap@redhat.
com
ATTENDEE;CN=Thang Pham/Poughkeepsie/IBM;SENT-BY="mailto:thang.pham@us.ibm.co
m";PARTSTAT=ACCEPTED:mailto:thang.pham@us.ibm.com
ORGANIZER;CN=Livnat Peer:mailto:lpeer@redhat.com
DTSTART;TZID="Asia/Jerusalem":20121024T160000
DTEND;TZID="Asia/Jerusalem":20121024T170000
STATUS:CANCELLED
CLASS:PUBLIC
X-MICROSOFT-CDO-INTENDEDSTATUS:BUSY
TRANSP:OPAQUE
RECURRENCE-ID;TZID="Asia/Jerusalem":20121024T160000
LAST-MODIFIED:20121024T132456Z
DTSTAMP:20121024T132456Z
SEQUENCE:2
DESCRIPTION:A single instance of the following meeting has been cancelled:\n
\nSubject: ovirt network \nOrganiser: "Livnat Peer" <lpeer(a)redhat.com> \n\n
Time: Wednesday\, 24 October\, 2012\, 4:00:00 PM - 5:00:00 PM GMT +02:00 Jer
usalem\n \nInvitees: engine-devel(a)ovirt.org\; vdsm-devel(a)lists.fedorahosted.
org\; GARGYA(a)de.ibm.com\; dyasny(a)redhat.com\; simon(a)redhat.com\; mkolesni@re
dhat.com\; atal(a)redhat.com\; ilvovsky(a)redhat.com\; dfediuck(a)redhat.com\; pra
dipta.banerjee(a)gmail.com\; gkotton(a)redhat.com ... \n\n\n*~*~*~*~*~*~*~*~*~*\
n\nHi All\,\nDue to day-light saving change in Israel this meeting collides
with ovirt sync meeting this week.\n\nI am cancelling this instance of the m
eeting\, If there is a specific items you'd like to discuss related to netwo
rking please reply and we'll schedule a dedicated meeting.\n\nThanks\, Livan
t
X-ALT-DESC;FMTTYPE=text/html:<html><body><h3>A single instance of the follow
ing meeting has been cancelled:</h3>\n\n<p>\n<table border='0'>\n<tr><th ali
gn=left>Subject:</th><td>ovirt network </td></tr>\n<tr><th align=left>Organ
iser:</th><td>"Livnat Peer" <\;lpeer(a)redhat.com>\; </td></tr>\n</table>\
n<p>\n<table border='0'>\n<tr><th align=left>Time:</th><td>Wednesday\, 24 Oc
tober\, 2012\, 4:00:00 PM - 5:00:00 PM GMT +02:00 Jerusalem\n </td></tr></ta
ble>\n<p>\n<table border='0'>\n<tr><th align=left>Invitees:</th><td>engine-d
evel(a)ovirt.org\; vdsm-devel(a)lists.fedorahosted.org\; GARGYA(a)de.ibm.com\; dya
sny(a)redhat.com\; simon(a)redhat.com\; mkolesni(a)redhat.com\; atal(a)redhat.com\;
ilvovsky(a)redhat.com\; dfediuck(a)redhat.com\; pradipta.banerjee(a)gmail.com\; gk
otton(a)redhat.com ... </td></tr>\n</table>\n<div>*~*~*~*~*~*~*~*~*~*</div><br
>Hi All\,<br>Due to day-light saving change in Israel this meeting collides
with ovirt sync meeting this week.<br><br>I am cancelling this instance of t
he meeting\, If there is a specific items you'd like to discuss related to n
etworking please reply and we'll schedule a dedicated meeting.<br><br>Thanks
\, Livant</body></html>
END:VEVENT
END:VCALENDAR
------=_Part_1266476_408980827.1351085096193--
12 years, 2 months
[Engine-devel] AsyncTaskManager and the irsbroker
by Laszlo Hornyak
hi,
I have just noticed that AsyncTaskManager is
- almost all of the public methods are synchronized
- and it is singleton
- calling to VDS operations (line 291)
Therefore this may be a performance bottleneck. Even when you want to create an asynchronous task or query a task's state, you may have to wait till a remote vdsm responds. Would it be ok to remove the synchronization from e.g. the query-like methods? Or the one initiating remote calls?
Laszlo
12 years, 2 months
