Retrieval of an image store using ImageStoreProviderManager has been refactored by introducing three different methods,
DataStore getRandomImageStore(List<DataStore> imageStores);
To get an image store for reading purpose. Threshold capacity check will not be used here.
DataStore getImageStoreWithFreeCapacity(List<DataStore> imageStores);
To get an image store for reading purpose. Threshold capacity check will be used here and the store with max free space will be returned. If no store with filled storage less than the threshold is found, the NULL value will be returned.
List<DataStore> listImageStoresWithFreeCapacity(List<DataStore> imageStores);
To get a list of image stores for writing purpose which fulfills threshold capacity check.
Correspondingly DataStoreManager methods have been refactored to return similar values for a given zone.
Fixes#3287 - NULL value will be returned when secondary storage is needed for writing but there is not store with free space.
Fixes#3041 - Rather than returning random secondary storage for writing, storage with max. free space will be returned.
Fixes#3478 - For migration on VMware, all writable secondary storage will be mounted while preparation.
Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>
Feature Specification: https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=95653548
Live storage migration on KVM under these conditions:
From source and destination hosts within the same cluster
From NFS primary storage to NFS cluster-wide primary storage
Source NFS and destination NFS storage mounted on hosts
In order to enable this functionality, database should be updated in order to enable live storage capacibilty for KVM, if previous conditions are met. This is due to existing conflicts between qemu and libvirt versions. This has been tested on CentOS 6 hosts.
Additional notes:
To use this feature set the storage_motion_supported=1 in the hypervisor_capability table for KVM. This is done by default as the feature may not work in some environments, read below.
This feature of online storage+VM migration for KVM will only work with CentOS6 and possible Ubuntu as KVM hosts but not with CentOS7 due to:
https://bugs.centos.org/view.php?id=14026https://bugzilla.redhat.com/show_bug.cgi?id=1219541
On CentOS7 the error we see is: " error: unable to execute QEMU command 'migrate': this feature or command is not currently supported" (reference https://ask.openstack.org/en/question/94186/live-migration-unable-to-execute-qemu-command-migrate/). Reading through various lists looks like the migrate feature with qemu may be available with paid versions of RHEL-EV but not centos7 however this works with CentOS6.
Fix for CentOS 7:
Create repo file on /etc/yum.repos.d/:
[qemu-kvm-rhev]
name=oVirt rebuilds of qemu-kvm-rhev
baseurl=http://resources.ovirt.org/pub/ovirt-3.5/rpm/el7Server/
mirrorlist=http://resources.ovirt.org/pub/yum-repo/mirrorlist-ovirt-3.5-el7Server
enabled=1
skip_if_unavailable=1
gpgcheck=0
yum install qemu-kvm-common-ev-2.3.0-29.1.el7.x86_64 qemu-kvm-ev-2.3.0-29.1.el7.x86_64 qemu-img-ev-2.3.0-29.1.el7.x86_64
Reboot host
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
Problem: When a multi-disk OVA template is uploaded, only the root disk is recognized and VMs deployed using such template only get the root disk provisioned.
Root Cause: The template processor for multi-disk OVA was not used in the template upload processor.
Solution: Added support for local multi-disk OVA template upload. After a multi-disk OVA template is
uploaded, the mechanism that worked on multi-disk OVA templates registered using URL is now also used to discovers and creates data-disk templates in cloud.vm_template table and on the secondary storage.
To enable SSL on SSVMs :
• Upload the certificates like you usually do via the API or UI->Infrastructure tab
• Set the global settings secstorage.encrypt.copy, secstorage.ssl.cert.domain to appropriate values
along with the CPVM ones
• Restart management server (no need to destroy/restart SSVM (or the ssvm agent))
Test cases:
- Upload template and check it creates multi-disk folders on secondary
storage and entries in cloud.vm_template table
- Upload template and kill/shutdown management server. Then restart MS
to check if template sync works
- Copy template across zone of an uploaded template
Signed-off-by: Rohit Yadav rohit.yadav@shapeblue.com
* feature: add libvirt / qemu io bursting
Adds the ability to set bursting features from libvirt / qemu
This allows you to utilize the iops and bytes temporary "burst" mode
introduced with libvirt 2.4 and improved upon with libvirt 2.6.
https://blogs.igalia.com/berto/2016/05/24/io-bursts-with-qemu-2-6/
* updates per rafael et al
* - Offline VM and Volume migration on Vmware hypervisor hosts
- Also add VM disk consolidation call on successful VM migrations
* Fix indentation of marvin test file and reformat against PEP8
* * Fix few comment typos
* Refactor debug messages to use String.format() when debug log level is enabled.
* Send list of commands returned by hypervisor Guru instead of explicitly selecting the first one
* Fix unhandled NPE during VM migration
* Revert back to distinct event descriptions for VM to host or storage pool migration
* Reformat test_primary_storage file against PEP-8 and Remove unused imports
* Revert back the deprecation messages in the custom StringUtils class to favour the use of the ApacheUtils
Remove maven standard module (which only a few were using) and get ride of maven customization for the projects structure.
- moved all directories to src/main/java, src/main/resources, src/main/scripts, src/test/java, src/test/resources
- grep scan to search for src/com and src/org left over
- grep for <project>/scripts to fix pom.xml configuration
- remove custom <build> configuration in pom.xml
Signed-off-by: Marc-Aurèle Brothier <m@brothier.org>
Abhishek Kumar
Nicolas Vazquez
Rohit Yadav
Nathan Johnson
GabrielBrascher
dahn
Gabriel Beims Bräscher
Mike Tutkowski
Rafael Weingärtner
Marc-Aurèle Brothier