What's Coming in CloudStack 4.19

What’s coming in CloudStack 4.19
Abhishek Kumar @ CloudStack India User Group 2023

About me - Abhishek Kumar
● Committer @ Apache CloudStack project
● Been involved with the project for nearly 5 years
now
● Volunteered to RM 4.19 release. In past, I’ve
been involved with 4.17.1, 4.15.1, 4.14.1 as RM
or co-RM.
● Software Engineer @ ShapeBlue
● In my free time I try to be regular at gym. I like
spending time taking care of my house plants.

Agenda
● CloudStack LTS releases; recent and upcoming releases
● 4.19.0.0 release
○ Timeline
● Key features and improvements
○ Object storage support
○ KVM ingestion
○ CAPC aware CKS
○ OAuth2 authentication
○ …
● Q & A, feedback

CloudStack LTS
releases
● Community aspires to do two
major release per year
● 1-2 minor or dot releases
depending on the issues
reported and bug ﬁxes
● Current LTS release - 4.18.0.0.
Released in March 2023
● Other recent releases - 4.17.2.0,
4.17.1.0
● Upcoming releases - 4.18.1.0,
4.19.0.0

Quick recap of 4.18.0.0 release
Initial 4.18 LTS release with 300+ new features, improvements
and bug ﬁxes since 4.17, including 19 major new features. Some
of the highlights include:
● Edge Zones
● Autoscaling
● Managed User Data
● Two-Factor Authentication Framework; Support for
Time-based OTP (TOTP) Authenticator
● Volume Encryption
● SDN Integration – Tungsten Fabric
● Ceph Multi Monitor Support
● API-Driven Console Access
List goes on…

4.19.0.0 release
● Targeted for Q3/Q4 2023
● Focuses on adding
exciting new features and
functionalities
● Will incorporate fixes
from 4.18.1.0 and may
include few additional
fixes
Timeline
● (8 plus weeks) Ongoing – Mid October 2023:
Accept all bugs, issues, improvements
allowed in LTS
● (1 week) Stabilise the main (or 4.19) branch,
accept only critical/blocker issues (if any)
● End October 2023 and onwards: Cut 4.19.0.0
RC1 and further RCs if necessary,
start/conclude vote, and finish release work

Object storage
feature ● Object storage as a ﬁrst-class end user
feature in CloudStack.
● Adds MinIO plugin (and simulator) as
provider
● Open PR:
https://github.com/apache/cloudstack/pul
l/7752
● Provides a generic framework using which
support for other providers can be added
● Has the potential to replace or act as a
secondary storage in the future

KVM Ingestion
● Continues with VM Ingestion
functionality ﬁrst introduced in
CloudStack 4.14
● Will allow migrating KVM
workload from other tools such
as Proxmox, oVirt, etc
● Would make CloudStack
onboarding easier.
● Related work already on-going
as a GSoC project - Extend
export/import instances to
KVM

CAPC aware
CKS
● Makes CKS aware of Kubernetes cluster
deployed using CAPC
● Brings in the concept of unmanaged k8s
clusters. Introduces new APIs
● CAPI provider logs the
creation/update/removal of a clusters in
CloudStack
● Part of the feature already merged in
CloudStack codebase,
https://github.com/apache/cloudstack/p
ull/7515; a new CloudStack Go SDK
release would be needed.

New functionalities and concepts for VPCs
● Concept of domain VPCs
● VPC can be managed by a domain
● PR has already been merged,
https://github.com/apache/cloudstack/pull/7153
● Global ACL for VPCs
● Multiple VPCs can have same ACL rule
● Open PR,
https://github.com/apache/cloudstack/pull/7515

VM and disk
migration from
VMware to KVM
● Add capability in CloudStack to
convert VMware Instances
disk(s) to KVM using virt-v2v.
● Can be done from a VMware
VM that is in CloudStack to a
new KVM cluster
● UI wizard for admin

Low Touch VNF
Appliance Integration ● Currently in order to deploy a VNF appliances
end-users need to create at least 3 networks
(north, south and management) and then
attach the relevant networks to the VM
● Introduction of a new Appliance deployment
wizard where end-users can select 3 networks
when deploying the VNF VM appliance
● Service providers can offer VNF appliances to
their end users.

Snapshot copy and
destination selection
Copy volume snapshots to speciﬁc zones
or create snapshots with replica in select
zones
● CloudStack can do
DR-as-a-service, by keeping
backup of volume snapshots
across multiple zones (and
secondary storages).
○ User wants more than one replica of
their data disk
○ User wants to move a disk snapshot
to another zone in order to re-deploy
the same VM in that zone
● Copy across zones will work
similar to templates
● Open PR,
https://github.com/apache/cloud
stack/pull/7873

OAuth2 feature
● CloudStack currently support native, LDAP
and SAML based authentication
● New OAuth2 plugin which is UI-ﬁrst and
can perform Single-Sign-On (SSO) with
3-party identity providers such as Google,
Facebook, Github etc and allows admins to
manage the users/accounts.
● One of the GSoC project last year,
https://github.com/apache/cloudstack/pul
l/6713

Other
improvements
and changes
● VM actions scheduler
● Safe shutdown
● Improvements in userdata
functionality
● Dashboard re-design for users
and domain admins
● Granular storage management
● Hypervisor agnostic simple DRS
● Ant Design upgrade
● Logging library changes
● Auto enable-disable KVM hosts
● Improvements in Backup &
Recovery frameworks
Currently over 70 closed and
over 200 open items in the
milestone

Discuss
Q & A, feedback…
https://download.cloudstack.org/testing/nightly/

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