README.md 1.3 KB

Contiv

Install Contiv components (netmaster, netplugin, contiv_etcd) on Master and Minion nodes

Requirements

  • Ansible 2.2
  • Centos/ RHEL

Current Contiv restrictions when used with Openshift

  • Openshift Origin only
  • VLAN encap mode only (default for Openshift Ansible)
  • Bare metal deployments only
  • Requires additional network configuration on the external physical routers (ref. Openshift docs Contiv section)

Key Ansible inventory configuration parameters

  • openshift_use_contiv=True
  • openshift_use_openshift_sdn=False
  • os_sdn_network_plugin_name='cni'
  • contiv_netmaster_interface=eth0
  • contiv_netplugin_interface=eth1
  • ref. Openshift docs Contiv section for more details

Example bare metal deployment of Openshift + Contiv

  • Example bare metal deployment

Screenshot

  • contiv241 is a Master + minion node
  • contiv242 and contiv243 are minion nodes
  • VLANs 1001, 1002 used for contiv container networks
  • VLAN 10 used for cluster-internal host network
  • VLANs added to isolated VRF on external physical switch
  • Static routes added on external switch as shown to allow routing between host and container networks
  • External switch also used for public internet access