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IoT/ARM64 support: allow cloudstack-agent on Raspberry Pi 4 (armv8) to use kvm acceleration #3644

Merged
merged 2 commits into from
Nov 11, 2019
Merged

IoT/ARM64 support: allow cloudstack-agent on Raspberry Pi 4 (armv8) to use kvm acceleration #3644

merged 2 commits into from
Nov 11, 2019

Commits on Oct 20, 2019

  1. kvm: add support for aarch64/arm64 platform such as Raspberry Pi 4 

    KVM is supported on arm64 Linux (https://www.linux-kvm.org/page/Processor_support#ARM:).
For a small (IoT) platform such as the new Raspberry Pi 4 that uses armv8 processor
(cortex-a72) it's possible to run Linux host with `/dev/kvm`
accleration. This adds support for IoT IaaS in CloudStack.

This PR is from a fun weekend project where:
- I set up a Raspberry Pi 4 - 4GB RAM model with 4 CPU cores @ 1.5Ghz, 128GB SD samsung evo plus card
- Installed Ubuntu 19.10 raspi3 base image: http://cdimage.ubuntu.com/releases/19.10/release/ubuntu-19.10-preinstalled-server-arm64+raspi3.img.xz
- Build a custom Linux 5.3 kernel with KVM enabled, deb here: http://dl.rohityadav.cloud/cloudstack-rpi/kernel-19.10/ and install the linux-image and linux-module
- Then install/setup CloudStack on it (fix some issues around jna, by manually installing newer libjna-java to /usr/share/cloudstack-agent/lib)
- Since the host processor is not x86_64, I had to build a new arm64 (or aarch64) systemvmtemplate: http://dl.rohityadav.cloud/cloudstack-rpi/systemvmtemplate/

I could finally get a 4.13 CloudStack + Adv zone/networking to run on it
and deployed a KVM based Ubuntu 19.10 environment and NFS storage.
Deployed a test vm with isolated network, VR works as expected. Console
proxy works as well, for this tested against arm64 openstack Debian 9/10
templates.

Limitation: on my aarch64 env, it did not support IDE, therefore all
default bus type for volumes are SCSI by default. With VIRTIO it fails
sometimes.

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
    @rohityadavcloud
    rohityadavcloud committed Oct 20, 2019
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  2. kvm: fix unit test failure 

    Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
    @rohityadavcloud
    rohityadavcloud committed Oct 20, 2019
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