diff options
8 files changed, 176 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: diff --git a/playbooks/provisioning/openstack/net_vars_check.yaml b/playbooks/provisioning/openstack/net_vars_check.yaml new file mode 100644 index 000000000..68afde415 --- /dev/null +++ b/playbooks/provisioning/openstack/net_vars_check.yaml @@ -0,0 +1,14 @@ +--- +- name: Check the provider network configuration + fail: + msg: "Flannel SDN requires a dedicated containers data network and can not work over a provider network" + when: + - openstack_provider_network_name is defined + - openstack_private_data_network_name is defined + +- name: Check the flannel network configuration + fail: + msg: "A dedicated containers data network is only supported with Flannel SDN" + when: + - openstack_private_data_network_name is defined + - not openshift_use_flannel|default(False)|bool diff --git a/playbooks/provisioning/openstack/prerequisites.yml b/playbooks/provisioning/openstack/prerequisites.yml index f2f720f8b..11a31411e 100644 --- a/playbooks/provisioning/openstack/prerequisites.yml +++ b/playbooks/provisioning/openstack/prerequisites.yml @@ -2,6 +2,9 @@ - hosts: localhost tasks: + # Sanity check of inventory variables + - include: net_vars_check.yaml + # Check ansible - name: Check Ansible version assert: diff --git a/playbooks/provisioning/openstack/sample-inventory/group_vars/OSEv3.yml b/playbooks/provisioning/openstack/sample-inventory/group_vars/OSEv3.yml index 2e897102e..70e77662d 100644 --- a/playbooks/provisioning/openstack/sample-inventory/group_vars/OSEv3.yml +++ b/playbooks/provisioning/openstack/sample-inventory/group_vars/OSEv3.yml @@ -51,3 +51,7 @@ openshift_override_hostname_check: true # NOTE(shadower): Always switch to root on the OSEv3 nodes. # openshift-ansible requires an explicit `become`. ansible_become: true + +# # Flannel networking +#openshift_use_openshift_sdn: false +#openshift_use_flannel: true diff --git a/playbooks/provisioning/openstack/sample-inventory/group_vars/all.yml b/playbooks/provisioning/openstack/sample-inventory/group_vars/all.yml index fa1fb6c64..83289307d 100644 --- a/playbooks/provisioning/openstack/sample-inventory/group_vars/all.yml +++ b/playbooks/provisioning/openstack/sample-inventory/group_vars/all.yml @@ -15,6 +15,10 @@ public_dns_nameservers: [] openstack_ssh_public_key: "openshift" openstack_external_network_name: "public" #openstack_private_network_name: "openshift-ansible-{{ stack_name }}-net" +# # A dedicated Neutron network name for containers data network +# # Configures the data network to be separated from openstack_private_network_name +# # NOTE: this is only supported with Flannel SDN yet +#openstack_private_data_network_name: "openshift-ansible-{{ stack_name }}-data-net" ## If you want to use a provider network, set its name here. ## NOTE: the `openstack_external_network_name` and diff --git a/roles/openstack-stack/templates/heat_stack.yaml.j2 b/roles/openstack-stack/templates/heat_stack.yaml.j2 index a6b088efb..1f1e33cf2 100644 --- a/roles/openstack-stack/templates/heat_stack.yaml.j2 +++ b/roles/openstack-stack/templates/heat_stack.yaml.j2 @@ -113,6 +113,22 @@ resources: - {{ nameserver }} {% endfor %} +{% if openshift_use_flannel|default(False)|bool %} + data_net: + type: OS::Neutron::Net + properties: + name: openshift-ansible-{{ stack_name }}-data-net + port_security_enabled: false + + data_subnet: + type: OS::Neutron::Subnet + properties: + name: openshift-ansible-{{ stack_name }}-data-subnet + network: { get_resource: data_net } + cidr: {{ osm_cluster_network_cidr|default('10.128.0.0/14') }} + gateway_ip: null +{% endif %} + router: type: OS::Neutron::Router properties: @@ -641,6 +657,11 @@ resources: template: openshift-ansible-cluster_id-net params: cluster_id: {{ stack_name }} +{% if openshift_use_flannel|default(False)|bool %} + attach_data_net: true + data_net: { get_resource: data_net } + data_subnet: { get_resource: data_subnet } +{% endif %} {% endif %} secgrp: {% if openstack_flat_secgrp|default(False)|bool %} @@ -713,6 +734,11 @@ resources: template: openshift-ansible-cluster_id-net params: cluster_id: {{ stack_name }} +{% if openshift_use_flannel|default(False)|bool %} + attach_data_net: true + data_net: { get_resource: data_net } + data_subnet: { get_resource: data_subnet } +{% endif %} {% endif %} secgrp: - { get_resource: {% if openstack_flat_secgrp|default(False)|bool %}flat-secgrp{% else %}node-secgrp{% endif %} } @@ -767,6 +793,11 @@ resources: template: openshift-ansible-cluster_id-net params: cluster_id: {{ stack_name }} +{% if openshift_use_flannel|default(False)|bool %} + attach_data_net: true + data_net: { get_resource: data_net } + data_subnet: { get_resource: data_subnet } +{% endif %} {% endif %} secgrp: # TODO(bogdando) filter only required node rules into infra-secgrp diff --git a/roles/openstack-stack/templates/heat_stack_server.yaml.j2 b/roles/openstack-stack/templates/heat_stack_server.yaml.j2 index 66c2491a9..6552e0a0d 100644 --- a/roles/openstack-stack/templates/heat_stack_server.yaml.j2 +++ b/roles/openstack-stack/templates/heat_stack_server.yaml.j2 @@ -68,6 +68,28 @@ parameters: description: Subnet resource {% endif %} +{% if openshift_use_flannel|default(False)|bool %} + attach_data_net: + type: boolean + default: false + label: Attach-data-net + description: A switch for data port connection + + data_net: + type: string + default: '' + label: Net ID + description: Net resource + +{% if not provider_network %} + data_subnet: + type: string + default: '' + label: Subnet ID + description: Subnet resource +{% endif %} +{% endif %} + secgrp: type: comma_delimited_list label: Security groups @@ -133,6 +155,11 @@ outputs: {% endif %} - addr +{% if openshift_use_flannel|default(False)|bool %} +conditions: + no_data_subnet: {not: { get_param: attach_data_net} } +{% endif %} + resources: server: @@ -143,11 +170,28 @@ resources: image: { get_param: image } flavor: { get_param: flavor } networks: +{% if openshift_use_flannel|default(False)|bool %} + if: + - no_data_subnet +{% if use_trunk_ports|default(false)|bool %} + - - port: { get_attr: [trunk-port, port_id] } +{% else %} + - - port: { get_resource: port } +{% endif %} +{% if use_trunk_ports|default(false)|bool %} + - - port: { get_attr: [trunk-port, port_id] } +{% else %} + - - port: { get_resource: port } + - port: { get_resource: data_port } +{% endif %} + +{% else %} {% if use_trunk_ports|default(false)|bool %} - port: { get_attr: [trunk-port, port_id] } {% else %} - port: { get_resource: port } {% endif %} +{% endif %} user_data: get_file: user-data user_data_format: RAW @@ -179,6 +223,19 @@ resources: {% endif %} security_groups: { get_param: secgrp } +{% if openshift_use_flannel|default(False)|bool %} + data_port: + type: OS::Neutron::Port + condition: { not: no_data_subnet } + properties: + network: { get_param: data_net } + port_security_enabled: false +{% if not provider_network %} + fixed_ips: + - subnet: { get_param: data_subnet } +{% endif %} +{% endif %} + {% if not provider_network %} floating-ip: type: OS::Neutron::FloatingIP diff --git a/roles/openstack-stack/templates/heat_stack_server_nofloating.yaml.j2 b/roles/openstack-stack/templates/heat_stack_server_nofloating.yaml.j2 index 4b79d5ab6..742d53649 100644 --- a/roles/openstack-stack/templates/heat_stack_server_nofloating.yaml.j2 +++ b/roles/openstack-stack/templates/heat_stack_server_nofloating.yaml.j2 @@ -66,6 +66,26 @@ parameters: label: Subnet ID description: Subnet resource +{% if openshift_use_flannel|default(False)|bool %} + attach_data_net: + type: boolean + default: false + label: Attach-data-net + description: A switch for data port connection + + data_net: + type: string + default: '' + label: Net ID + description: Net resource + + data_subnet: + type: string + default: '' + label: Subnet ID + description: Subnet resource +{% endif %} + secgrp: type: comma_delimited_list label: Security groups @@ -110,6 +130,11 @@ outputs: - 0 - addr +{% if openshift_use_flannel|default(False)|bool %} +conditions: + no_data_subnet: {not: { get_param: attach_data_net} } +{% endif %} + resources: server_nofloating: @@ -120,11 +145,28 @@ resources: image: { get_param: image } flavor: { get_param: flavor } networks: +{% if openshift_use_flannel|default(False)|bool %} + if: + - no_data_subnet +{% if use_trunk_ports|default(false)|bool %} + - - port: { get_attr: [trunk-port, port_id] } +{% else %} + - - port: { get_resource: port } +{% endif %} +{% if use_trunk_ports|default(false)|bool %} + - - port: { get_attr: [trunk-port, port_id] } +{% else %} + - - port: { get_resource: port } + - port: { get_resource: data_port } +{% endif %} + +{% else %} {% if use_trunk_ports|default(false)|bool %} - port: { get_attr: [trunk-port, port_id] } {% else %} - port: { get_resource: port } {% endif %} +{% endif %} user_data: get_file: user-data user_data_format: RAW @@ -154,6 +196,19 @@ resources: - subnet: { get_param: subnet } security_groups: { get_param: secgrp } +{% if openshift_use_flannel|default(False)|bool %} + data_port: + type: OS::Neutron::Port + condition: { not: no_data_subnet } + properties: + network: { get_param: data_net } + port_security_enabled: false +{% if not provider_network %} + fixed_ips: + - subnet: { get_param: data_subnet } +{% endif %} +{% endif %} + {% if not ephemeral_volumes|default(false)|bool %} cinder_volume: type: OS::Cinder::Volume |