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Diffstat (limited to 'playbooks/provisioning/openstack/README.md')
| -rw-r--r-- | playbooks/provisioning/openstack/README.md | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/playbooks/provisioning/openstack/README.md b/playbooks/provisioning/openstack/README.md index 78d4ffe7c..b9a3b23de 100644 --- a/playbooks/provisioning/openstack/README.md +++ b/playbooks/provisioning/openstack/README.md @@ -250,6 +250,9 @@ right after provisioning will fail (unless you're using an external DNS server your provider network knows about). You must make sure your nodes are able to resolve each other by name. +**NOTE**: Flannel SDN requires a dedicated containers data network and cannot +work over a single provider network. + #### Security notes Configure required `*_ingress_cidr` variables to restrict public access @@ -267,6 +270,10 @@ be the case for development environments. When turned off, the servers will be provisioned omitting the ``yum update`` command. This brings security implications though, and is not recommended for production deployments. +Flannel network used for user applications and workloads data should be +isolated from other networks as it has Neutron ports security disabled. +Openshift master, compute and infra nodes will be connected to that network. + ##### DNS servers security options Aside from `node_ingress_cidr` restricting public access to in-stack DNS @@ -646,7 +653,7 @@ The `increment_by` variable is used to specify by how much the deployment should be scaled up (if none exists, it serves as a target number of application nodes). The path to `openshift-ansible` directory can be customised by the `openshift_ansible_dir` variable. Its value must be an absolute path to `openshift-ansible` and it cannot -contain the '/' symbol at the end. +contain the '/' symbol at the end. Usage: |