Bellow is the configuration diagram of Open Cloud Platform(K-PaaS).

» Architecture

» Function and Role of Components

° Kubernetes (Control Plane, Worker Node)

•  
• 1. kube-apiserver
   - An Kubernetes control plane component that exposes the Kubernetes API.
  
  2.  kube-controller-manager
  - An component on the master that drives the controller
   
• 3. kube-scheduler
  - An control plane component that detects newly created Pods that have not been assigned a node and selects a node on which to run them.
• 
  4. etcd
  - A highly available key-value storage used as the Kubernetes storage for all cluster data.
   
• 5. kubelet
  - Manages the precise operation of containers within Pods as agents running on each node of the cluster.
   
• 6. cAdvisor
  - The basic monitoring agent used in Kubernetes is installed on all nodes to collect information about the nodes and metrics about the Pods.
   
• 7. kube-proxy
  -  A network proxy running on each node of the cluster. It is configured in IPVS mode by default.
•  
• 8. Pod
  - The smallest deployable computing unit that can be created and managed in Kubernetes.
• 
   

° Container Platform Application

 
1. Portal-API
 - Provides the necessary REST APIs on the container platform.

2. Common-API
- Provides the REST API required for controlling the DBMS metadata of the container platform.

3. Portal-UI
- The container platform portal is a web application that enables the use of the container platform through a web interface.

4. Portal-Broker
- It is a broker that enables Portal-UI to be registered as a service within K-PaaS for use.

5. Harbor
- A repository for storing Docker images and Helm charts.

6. NFS-provisioner
- It serves the role of supporting the automatic binding of NFS volumes.

7. Mariadb
- It is a MariaDB DBMS that manages metadata related to container platforms.

8. Keycloak
- It handles authentication functions for SSO between container platform services.

9. Terraman
- It is a application that enables multi-cluster deployment and management capabilities.

10. Metric-API
- Provides the REST API required to check the status of clusters and nodes.

11. Ingress-nginx-controller
- An Ingress controller based on Nginx for Ingress resources to function.

12. Istio
- A configurable service mesh that runs container connectivity, monitoring, and security within a cluster.

13. Kubeflow
- A toolkit that enables easy deployment of machine learning workflows.

14. Vault
- Securely stores and manages container platform secrets.

15. Rook
- Configure Ceph storage as a Pod.
 

» Deployment Flowchart

» List of Opensources