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Table of Contents outline true
Introduction
| outline | true |
|---|
The ICN blueprint family intends to address deployment of workloads in a large number of edges and also in public clouds using K8S as resource orchestrator in each site and ONAP-K8S as service level orchestrator (across sites). ICN also intends to integrate infrastructure orchestration which is needed to bring up a site using bare-metal servers. Infrastructure orchestration, which is the focus of this page, needs to ensure that the infrastructure software required on edge servers is installed on a per-site basis, but controlled from a central dashboard. Infrastructure orchestration is expected to do the following:
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ICN project injects the user data in each server regarding network configuration, remote command execution using ssh and maintain a common secure mechanism for all provisioning the servers. Each local controller maintains IP address management for that edge location. For more information refer - Metal3 Baremetal Operator in ICN stack
BPA Operator:
ICN uses the BPA operator to install KUD. It can install KUD either on Baremetal hosts or on Virtual Machines. The BPA operator is also used to install software on the machines after KUD has been installed successfully
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More on BPA Restful API can be found at ICN Rest API.
KuD
Kubernetes deployment (KUD) is a project that uses Kubespray to bring up a Kubernetes deployment and some addons on a provisioned machine. As it already part of ONAP it can be effectively reused to deploy the K8s App components(as shown in fig. II), NFV Specific components and NFVi SDN controller in the edge cluster. In R2 release KuD will be used to deploy the K8s addon such as Virlet, OVN, NFD, CMK CPU Manager for Kubernetes and Intel device plugins such as SRIOV and QAT in the edge location(as shown in figure I). In R3 release, KuD will be evolved as "ICN Operator" to install all K8s addons. For more information on the architecture of KuD please find the information here.
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SDEWAN Configure Agent(also named SDEWAN Controller) module is worked as K8s controller located in each edge location and central hub k8s cluster to support configuration of SDEWAN CNF functionalities (e.g. mwan3, firwall, SNAT, DNAT, IPSec etc.) and monitor SDEWAN CNF status. It exposes CRDs to support configuration via K8s API server for unified authentication and authorization, detail information can be found at: Sdewan config AgentCRD Controller
Openness: Openness is an open source reference toolkit that makes it easy to move applications from the Cloud to the Network and On-Premise Edge. Some components of Openness Network edge have been integrated. EAA (Edge Application Agent) which provides application/service registration and authentication in openness has been integrated via ONAP4K8S. What's more, we work with OpenNESS community to ensure that EAA address distributed applications that not only spread across nodes in one K8s clusters, but also across K8s clusters. For platform related microservices (Multus, SR-IOV CNI, SR-IOV Network Device Plugin, NFD, CMK), test cases of Openness have been integrated.
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- Storage Service for Local controller: which used by BPA Rest Agent to provide storage service for image objects with binary, container and operating system. There are 2 solutions, MinIO and GridFS, with the consideration of Cloud native and Data reliability, we propose to use MinIO, which is CNCF project for object storage and compatible with Amazon S3 API, and provide language plugins for client application, it is also easy to deploy in Kubernetes and flexible scale-out. MinIO also provide storage service for HTTP Server. Since MinIO need export volume in bootstrap, local-storage is a simple solution but lack of reliability for the data safety, we will switch to reliability volume provided by Ceph CSI RBD in next release.
- Optane Persistent Memory plugin in KUD, which can provide LVM and direct volumes on Optane PM namespaces, since the Optane PM has high performance and low latency compared with normal SSD storage device, it can be used as cache, metadata volume or other high throughput and low latency scenarios.
Software components:
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Components
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Link
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Akraino Release target
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- scenarios.
Software components:
Components | Link | License | Akraino Release target |
Provision stack - Metal3 | https://github.com/akraino-icn/baremetal-operator - v1.0-icn | Apache License 2.0 | R3 |
| Ironic - Ironic IPA downloader | https://github.com/akraino-icn/ironic-ipa-downloader - v1.0-icn | Apache License 2.0 | R3 |
| Ironic - Ironic image | https://github.com/akraino-icn/ |
| ironic- |
| image - v1.0-icn | Apache License 2.0 | R3 |
| Ironic - Ironic |
| Inspector Image | https://github.com/akraino-icn/ironic- |
| inspector- |
| image - v1.0-icn | Apache License 2.0 | R3 | |
Host Operating system | Ubuntu 18.04 | GNU General Public License | R3 |
NIC drivers | XL710 - https:// |
Host Operating system
Ubuntu 18.04
R3
NIC drivers
content/dam/www/public/us/en/documents/datasheets/xl710-10-40-controller-datasheet.pdf | GNU General Public License Version 2 | R3 | |
| QAT drivers | Intel® C627 Chipset - https://ark.intel.com/content/www/us/en/ark/products/97343/intel-c627-chipset.html | GNU General Public License Version 2 | R3 |
| Intel® Optane™ DC Persistent Memory | Intel® Optane™ DC 256GB Persistent Memory Module - |
PMDK: Persistent Memory Development Kit - https://github.com/pmem/pmdk/ | SPDX-License-Identifier - BSD-3-Clause | R3 | |
ONAP | Apache License 2.0 | R3 | |
Workloads | OpenWRT SDWAN - https://openwrt.org/ | GNU General Public License Version 2 | R3 |
KUD | Apache License 2.0 | R3 | |
Kubespray | Apache License 2.0 | R3 | |
K8s | https://github.com/kubernetes/kubeadm - v1.16.9 | Apache License 2.0 | R3 |
Docker | https://github.com/docker - 18.09 | Apache License 2.0 | R3 |
Virtlet | Apache License 2.0 | R3 | |
SDN - OVN | https://github.com/ovn-org/ovn - 0.3.0 | Apache License 2.0 | R3 |
OpenvSwitch | Apache License 2.0 | R3 | |
Ansible | Apache License 2. |
| 0 | R3 | ||
Helm | https://github.com/helm/helm - 2.9.1 | Apache License 2.0 | R3 |
Istio | https://github.com/istio/istio - 1.0.3 | Apache License 2.0 | R3 |
Rook/Ceph | Apache License 2.0 | R3 | |
MetalLB | Apache License 2.0 | R3 | |
| OVN4NFV-K8Ss-Plugin | https://github.com/opnfv/ovn4nfv-k8s-plugin - v0.9.0 | Apache License 2.0 | |
| Device Plugins | https://github.com/intel/intel-device-plugins-for-kubernetes - SRIOV | Apache License 2.0 | R3 |
Node Feature Discovery | Apache License 2.0 | R3 | |
CNI | https://github.com/coreos/flannel/ - release tag v0.11.0 https://github.com/containernetworking/cni - release tag v0.7.0 https://github.com/containernetworking/plugins - release tag v0.8.1 https://github.com/containernetworking/cni#3rd-party-plugins - Multus v3.3tp, SRIOV CNI v2.0( with SRIOV Network Device plugin) | Apache License 2.0 | R3 |
Hardware and Software Management
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Hostname | CPU Model | Memory | Storage | 1GbE: NIC#, VLAN, (Connected extreme 480 switch) | 10GbE: NIC# VLAN, Network (Connected with IZ1 switch) |
|---|---|---|---|---|---|
Jump | 2xE5-2699 | 64GB | 3TB (Sata) | IF0: VLAN 110 (DMZ) | IF2: VLAN 112 (Private) |
node1 | 2xE5-2699 | 64GB | 3TB (Sata) | IF0: VLAN 110 (DMZ) | IF2: VLAN 112 (Private) |
node2 | 2xE5-2699 | 64GB | 3TB (Sata) | IF0: VLAN 110 (DMZ) | IF2: VLAN 112 (Private) |
node3 | 2xE5-2699 | 64GB | 3TB (Sata) | IF0: VLAN 110 (DMZ) | IF2: VLAN 112 (Private) |
node4 | 2xE5-2699 | 64GB | 3TB (Sata) | IF0: VLAN 110 (DMZ) | IF2: VLAN 112 (Private) |
node5 | 2xE5-2699 | 64GB | 3TB (Sata) | IF0: VLAN 110 (DMZ) | IF2: VLAN 112 (Private) |
Licensing
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Refer Software Components list