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Support Cloud Platforms

Scalr can be configured to work with the following cloud platforms and regions.

Cloud Provider Type Support Availability
AWS Public All regions, incl. China and GovCloud GA
GCP Public All regions GA
AZURE Public All regions, Azure Gov, Germany Cloud, Azure Stack GA
RACKSPACE Public All regions GA
IDC Public All regions GA
CLOUDSTACK Private 2.x, 3.x, 4.x GA
OPENSTACK Private Mitaka, Newton, Ocata, Pike, Queens GA
VMWARE Private Native VMWare vSphere (5.5, 6.0, 6.5, and 6.7), and VMWare Integrated OpenStack GA
SOFTLAYER Private   GA

Supported Server/Instance Operating Systems

Scalarizr is supported on the following operating systems and versions.

Operating System Supported Versions
Ubuntu 14.04 - 18.04 LTS
Debian 6.x - 7.x
RHEL / CentOS 5.x - 7.x
Windows Server 2008 R2, 2012(all), and 2016
Suse 11.3, 11.4, and 12.x

Scalarizr Network Requirements

Scalarizr needs to be able to communicate bi-directionally with the Scalr server. This table shows the ports that need to be open to enable this and also shows additional ports required to be open when Scalr is deployed on multiple hosts.

Port Protocol Direction Usage
80 TCP Cloud Instance > Scalr Server Scalarizr Agent
443 TCP Cloud Instance > Scalr Server Scalarizr Agent
5671 TCP Cloud Instance > Scalr Server Scalarizr Agent (rabbitmq)
6275 TCP Between Scalr Server Nodes (excluding DB) RabbitMQ
6276 TCP Between Scalr Server Nodes (excluding DB) RabbitMQ
6291 TCP Between Scalr Server Nodes (excluding DB) InfluxDB
8008 TCP Scalr Server > Cloud Instance Scalarizr Agent (update service)
8010 TCP Scalr Server > Cloud Instance Scalarizr Agent (API)
8013 TCP Scalr Server > Cloud Instance Scalarizr Agent (control)
15671 TCP Between Scalr Server Nodes (excluding DB) RabbitMQ

Scalarizr Functionality

The Scalarizr agent is optional, but without the agent the Scalr experience is limited, please see the following comparison chart:

Capability Agentless Agent Installed
Launch, Terminate, Suspend, Resume Yes Yes
Security Group management Yes Yes
Tagging Yes Yes
Autoscaling No Yes
Orchestration (script execution) No Yes
Monitoring No Yes
Storage Volume addition No Yes
Software Firewall/ iptables management No Yes