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7장. Configuring network settings after installing OpenStack

You can configure network settings for an OpenShift Container Platform on Red Hat OpenStack Platform (RHOSP) cluster after installation.

7.1. Configuring application access with floating IP addresses
링크 복사

After you install OpenShift Container Platform, configure Red Hat OpenStack Platform (RHOSP) to allow application network traffic.

참고

You do not need to perform this procedure if you provided values for platform.openstack.apiFloatingIP and platform.openstack.ingressFloatingIP in the install-config.yaml file, or os_api_fip and os_ingress_fip in the inventory.yaml playbook, during installation. The floating IP addresses are already set.

Prerequisites

  • OpenShift Container Platform cluster must be installed
  • Floating IP addresses are enabled as described in the OpenShift Container Platform on RHOSP installation documentation.

Procedure

After you install the OpenShift Container Platform cluster, attach a floating IP address to the ingress port:

  1. Show the port: 

    $ openstack port show <cluster_name>-<cluster_ID>-ingress-port

  2. Attach the port to the IP address: 

    $ openstack floating ip set --port <ingress_port_ID> <apps_FIP>

  3. Add a wildcard A record for *apps. to your DNS file: 

    *.apps.<cluster_name>.<base_domain>  IN  A  <apps_FIP>
참고

If you do not control the DNS server but want to enable application access for non-production purposes, you can add these hostnames to /etc/hosts: 

<apps_FIP> console-openshift-console.apps.<cluster name>.<base domain>
<apps_FIP> integrated-oauth-server-openshift-authentication.apps.<cluster name>.<base domain>
<apps_FIP> oauth-openshift.apps.<cluster name>.<base domain>
<apps_FIP> prometheus-k8s-openshift-monitoring.apps.<cluster name>.<base domain>
<apps_FIP> <app name>.apps.<cluster name>.<base domain>
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