Alice Frosi

Multi storage support and selection using the runtime class

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#### What type of PR is this? /kind feature #### What this PR does / why we need it: Extend cri-o to configure multiple storage drivers at the same time...

[RFE] Select the storage driver based on the workload/runtime type

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**Description** Today, cri-o supports a single storage driver at the time and the suggested/default is overlayfs for standard containers. For VM-based runtimes, the current solution is to share the container...

SCSI persistent reservation and pr-helper daemon

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**Is your feature request related to a problem? Please describe**: SCSI offers dedicated commands in order to reserve and control access to the LUNs. This can be used to prevent...

WIP: SCSI persistent reservation and pr-helper daemon

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**What this PR does / why we need it**: This PR adds the deployment of the [qemu-pr-helper daemon](https://qemu.readthedocs.io/en/latest/tools/qemu-pr-helper.html) inside the virt-handler pod. The pr-helper socket must be mounted by virt-handler...

Fix error check for wrapped errors for safepath

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**What this PR does / why we need it**: Fix error checking with wrapped errors introduced by https://github.com/kubevirt/kubevirt/pull/8412 **Which issue(s) this PR fixes** *(optional, in `fixes #(, fixes #, ...)`...

WIP: new interface for mount operations and code refactor in virt handler

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**What this PR does / why we need it**: This PR introduces a high-level interface for mount operations. The goal is to abstract the mounting operations in order to facilitate...

use variable to select packages to test for unit tests

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During unit test development, it is very helpful being able to only test a single package. This can be achieved by setting the variable GO_TEST_TARGET. Example: export GO_TEST_TARGET="//pkg/virt-handler/..." make test...

guestfs: fix fsgroup for openshift

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**What this PR does / why we need it**: In openshift we are moving to restricted SCC and running with uid != 0. In the case, we run with SCC...

refactor: use patch package instead of hardcoded operations

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### What this PR does Before this PR: In the code we have in multiple places hardcoded patches with [`GeneratePatchBytes`](https://github.com/kubevirt/kubevirt/blob/main/pkg/controller/controller.go#L311) or [`GenerateTestReplacePatch`](https://github.com/kubevirt/kubevirt/blob/main/pkg/apimachinery/patch/patch.go#L54) After this PR: The code will be much...

refactor: simplification and clean-up of vmi-create-admitter.go

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### What this PR does Before this PR: In vmi-create-admitter.go there are a lot places where we could return early and avoid unnecessary nesting. After this PR: Simplify the code...