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authorBogdan Dobrelya <bdobreli@redhat.com>2017-06-19 12:24:23 +0200
committerBogdan Dobrelya <bdobreli@redhat.com>2017-06-30 14:12:54 +0200
commit1409e0a52d45b7781b3a23f3f7eaa8fe09d26cd6 (patch)
tree723d310d605e001d5e36872fc258cb8a73f051a5 /roles
parent47f262e1d3350786e5890ef85cec212b298df50b (diff)
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Persist DNS configuration for nodes for openstack provider
* Firstly, provision a Heat stack with given public resolvers. * After the DNS node configured as an authoritative server, switch the Heat stack's Neutron subnet to that resolver (private_dns_server) the way it to become the first entry pushed into the hosts /etc/resolv.conf. It will be serving the cluster domain requests for OpenShift nodes and workloads. * Drop post-provision /etc/reslov.conf nameserver hacks as not needed anymore. * Fix dns floating IPs output and add the priv IPs output as well. * Update docs, clarify localhost vs servers requirements, add required Network Manager setup step. * Use post-provision task names instead of comments. Signed-off-by: Bogdan Dobrelya <bdobreli@redhat.com>
Diffstat (limited to 'roles')
-rw-r--r--roles/openstack-stack/tasks/main.yml5
-rw-r--r--roles/openstack-stack/tasks/subnet_update_dns_servers.yaml8
-rw-r--r--roles/openstack-stack/templates/heat_stack.yaml.j223
3 files changed, 22 insertions, 14 deletions
diff --git a/roles/openstack-stack/tasks/main.yml b/roles/openstack-stack/tasks/main.yml
index 71c7bbe0d..a53e6350b 100644
--- a/roles/openstack-stack/tasks/main.yml
+++ b/roles/openstack-stack/tasks/main.yml
@@ -35,6 +35,11 @@
template: "{{ stack_template_path }}"
wait: yes
+# NOTE(bogdando) OS::Neutron::Subnet doesn't support live updates for
+# dns_nameservers, so we can't do that for the "create stack" task.
+- include: subnet_update_dns_servers.yaml
+ when: private_dns_server is defined
+
- name: cleanup temp files
file:
path: "{{ stack_template_pre.path }}"
diff --git a/roles/openstack-stack/tasks/subnet_update_dns_servers.yaml b/roles/openstack-stack/tasks/subnet_update_dns_servers.yaml
new file mode 100644
index 000000000..be4f07b97
--- /dev/null
+++ b/roles/openstack-stack/tasks/subnet_update_dns_servers.yaml
@@ -0,0 +1,8 @@
+---
+- name: Live update the subnet's DNS servers
+ os_subnet:
+ name: openshift-ansible-{{ stack_name }}-subnet
+ network_name: openshift-ansible-{{ stack_name }}-net
+ state: present
+ use_default_subnetpool: yes
+ dns_nameservers: "{{ [private_dns_server|default(public_dns_nameservers[0])]|union(public_dns_nameservers)|unique }}"
diff --git a/roles/openstack-stack/templates/heat_stack.yaml.j2 b/roles/openstack-stack/templates/heat_stack.yaml.j2
index 00a46896c..8bf76b57c 100644
--- a/roles/openstack-stack/templates/heat_stack.yaml.j2
+++ b/roles/openstack-stack/templates/heat_stack.yaml.j2
@@ -61,18 +61,13 @@ outputs:
- dns
- name
- dns_floating_ip:
- description: Floating IP of the DNS
- value:
- get_attr:
- - dns
- - addresses
- - str_replace:
- template: openshift-ansible-cluster_id-net
- params:
- cluster_id: {{ stack_name }}
- - 1
- - addr
+ dns_floating_ips:
+ description: Floating IPs of the DNS
+ value: { get_attr: [ dns, floating_ip ] }
+
+ dns_private_ips:
+ description: Private IPs of the DNS
+ value: { get_attr: [ dns, private_ip ] }
resources:
@@ -111,9 +106,9 @@ resources:
params:
subnet_24_prefix: {{ subnet_prefix }}
dns_nameservers:
- {% for nameserver in dns_nameservers %}
+{% for nameserver in dns_nameservers %}
- {{ nameserver }}
- {% endfor %}
+{% endfor %}
router:
type: OS::Neutron::Router