Cluster Orchestrator (Infrastructure Host) is a set of internal components for managing resources, processing requests, and supporting PaaS system maintenance.
For high availability, the platform is running on two infrastructure hosts. With a help of synchronization each server is running as an independent identical copy of the platform infrastructure.
The components of infra node are running in a separate virtual Virtuozzo Containers for Linux on CentOS and are responsible for:
- Provisioning
- Templates configuration and clustering binding
- Environment’s lifecycle management
- Applications deployment
- Scalability management
- Handling requests via Shared Resolver
- Logs and statistics
- Billing
- Business analysis tools
- Monitoring and health checking
The platform includes the number of subsystems, which perform the above-listed operations.
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