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Components Used in Creation of the ISO Image- Build-tools: Based on OpenStack Disk Image Builder
- Dracut: Tool for building ISO images for CentOS
- RPM Builder: Common code for creating RPM packages
- Specs: the build specification for each RPM package
- Dockerfiles: the build specifications for each Docker container
- Unit files: the systemd configuration for starting/stopping services
- Ansible playbooks: Configuration of all the various components
- Test automation framework
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Components Which Provide Additional REC Functionality- L3 Deployer: an OpenStack Ironic-based hardware manager framework
- Hardware Detector: Used to adapt L3 deployer to specific hardware
- Virtual installer: tooling to deploy REC on a VM (for testing only)
- North-bound REST API framework: For creating/extending REC APIs
- CLI interface
- AAA server to manage cloud infrastructure users and their roles
- Configuration management
- Container image registry
- Security hardening configuration
- A distributed lock management framework
- Remote Installer: Docker image used by Regional Controller to launch deployer
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Most Notable Upstream Components That Are Packaged Into REC with Configuration and Tuning:- Kubernetes
- Docker
- CPU-Pooler: Open Source Nokia project for K8s enhanced CPU management in K8s
- DANM: Open Source Nokia project for K8s network managementFlannel: K8s networking componentfor TelCo grade network management in K8s
- CNI: to provision specific network interfaces for containers
- SR-IOV CNI and Device Plugin: to provision SR-IOV Virtual Functions for containers
- Flannel: a CNI backend, implementing an overlay management network for containers
- Helm: K8s package manager
- etcd: K8s a distributed key-value store
- kubedns: K8s DNS
- Kubernetes
- Fluentd: Logging in-built service discovery
- Fluentd: Log aggregation and forwarding service
- Elasticsearch: Logging Log collection, store, and analysis service
- Prometheus: Performance measurement service
- OpenStack Swift: Used for container image storage
- Ceph: Distributed block storage
- NTP: Network Time Protocol
- MariaDB, Galera: Database for OpenStack components
- RabbitMQ: Message Queue for Openstack components
- Python Peewee: A Python ORM
- Redis: high-available configuration data store
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