Add a stub of the dns record update code in

This will mostly not work but it's a starting point.

2 files changed, 173 insertions, 0 deletions

diff --git a/roles/openshift_openstack/defaults/main.yml b/roles/openshift_openstack/defaults/main.yml
index 05f1c0911..19e6e6f51 100644
--- a/roles/openshift_openstack/defaults/main.yml
+++ b/roles/openshift_openstack/defaults/main.yml
@@ -47,3 +47,9 @@ docker_data_size: "95%VG"
 docker_dm_basesize: "3G"
 container_root_lv_name: "dockerlv"
 container_root_lv_mount_path: "/var/lib/docker"
+
+
+# populate-dns
+dns_records_rm: []
+dns_records_add: []
+external_nsupdate_keys: {}
diff --git a/roles/openshift_openstack/tasks/populate-dns.yml b/roles/openshift_openstack/tasks/populate-dns.yml
index f1a868a19..c8243dc1f 100644
--- a/roles/openshift_openstack/tasks/populate-dns.yml
+++ b/roles/openshift_openstack/tasks/populate-dns.yml
@@ -3,3 +3,170 @@
 
 # this is an optional step -- the deployers may do whatever else they
 # wish here.
+
+
+# TODO: build records
+# TODO: run nsupdate
+
+
+- name: "Generate list of private A records"
+  set_fact:
+    private_records: "{{ [ { 'type': 'A', 'hostname': hostvars[item]['ansible_hostname'], 'ip': hostvars[item]['private_v4'] } ] }}"
+  with_items: "{{ groups['cluster_hosts'] }}"
+
+# - name: "Add wildcard records to the private A records for infrahosts"
+#   set_fact:
+#     private_records: "{{ private_records | default([]) + [ { 'type': 'A', 'hostname': '*.' + openshift_app_domain, 'ip': hostvars[item]['private_v4'] } ] }}"
+#   with_items: "{{ groups['infra_hosts'] }}"
+
+# - name: "Add public master cluster hostname records to the private A records (single master)"
+#   set_fact:
+#     private_records: "{{ private_records | default([]) + [ { 'type': 'A', 'hostname': (hostvars[groups.masters[0]].openshift_master_cluster_public_hostname | replace(full_dns_domain, ''))[:-1], 'ip': hostvars[groups.masters[0]].private_v4 } ] }}"
+#   when:
+#     - hostvars[groups.masters[0]].openshift_master_cluster_public_hostname is defined
+#     - openstack_num_masters == 1
+
+# - name: "Add public master cluster hostname records to the private A records (multi-master)"
+#   set_fact:
+#     private_records: "{{ private_records | default([]) + [ { 'type': 'A', 'hostname': (hostvars[groups.masters[0]].openshift_master_cluster_public_hostname | replace(full_dns_domain, ''))[:-1], 'ip': hostvars[groups.lb[0]].private_v4 } ] }}"
+#   when:
+#     - hostvars[groups.masters[0]].openshift_master_cluster_public_hostname is defined
+#     - openstack_num_masters > 1
+
+- name: "Set the private DNS server to use the external value (if provided)"
+  set_fact:
+    nsupdate_server_private: "{{ external_nsupdate_keys['private']['server'] }}"
+    nsupdate_key_secret_private: "{{ external_nsupdate_keys['private']['key_secret'] }}"
+    nsupdate_key_algorithm_private: "{{ external_nsupdate_keys['private']['key_algorithm'] }}"
+    nsupdate_private_key_name: "{{ external_nsupdate_keys['private']['key_name']|default('private-' + full_dns_domain) }}"
+  when:
+    - external_nsupdate_keys is defined
+    - external_nsupdate_keys['private'] is defined
+
+
+- name: "Generate the private Add section for DNS"
+  set_fact:
+    private_named_records:
+      - view: "private"
+        zone: "{{ full_dns_domain }}"
+        server: "{{ nsupdate_server_private }}"
+        key_name: "{{ nsupdate_private_key_name|default('private-' + full_dns_domain) }}"
+        key_secret: "{{ nsupdate_key_secret_private }}"
+        key_algorithm: "{{ nsupdate_key_algorithm_private | lower }}"
+        entries: "{{ private_records }}"
+
+# - name: "Generate list of public A records"
+#   set_fact:
+#     public_records: "{{ public_records | default([]) + [ { 'type': 'A', 'hostname': hostvars[item]['ansible_hostname'], 'ip': hostvars[item]['public_v4'] } ] }}"
+#   with_items: "{{ groups['cluster_hosts'] }}"
+#   when: hostvars[item]['public_v4'] is defined
+
+# - name: "Add wildcard records to the public A records"
+#   set_fact:
+#     public_records: "{{ public_records | default([]) + [ { 'type': 'A', 'hostname': '*.' + openshift_app_domain, 'ip': hostvars[item]['public_v4'] } ] }}"
+#   with_items: "{{ groups['infra_hosts'] }}"
+#   when: hostvars[item]['public_v4'] is defined
+
+# - name: "Add public master cluster hostname records to the public A records (single master)"
+#   set_fact:
+#     public_records: "{{ public_records | default([]) + [ { 'type': 'A', 'hostname': (hostvars[groups.masters[0]].openshift_master_cluster_public_hostname | replace(full_dns_domain, ''))[:-1], 'ip': hostvars[groups.masters[0]].public_v4 } ] }}"
+#   when:
+#     - hostvars[groups.masters[0]].openshift_master_cluster_public_hostname is defined
+#     - openstack_num_masters == 1
+#     - not use_bastion|bool
+
+# - name: "Add public master cluster hostname records to the public A records (single master behind a bastion)"
+#   set_fact:
+#     public_records: "{{ public_records | default([]) + [ { 'type': 'A', 'hostname': (hostvars[groups.masters[0]].openshift_master_cluster_public_hostname | replace(full_dns_domain, ''))[:-1], 'ip': hostvars[groups.bastions[0]].public_v4 } ] }}"
+#   when:
+#     - hostvars[groups.masters[0]].openshift_master_cluster_public_hostname is defined
+#     - openstack_num_masters == 1
+#     - use_bastion|bool
+
+# - name: "Add public master cluster hostname records to the public A records (multi-master)"
+#   set_fact:
+#     public_records: "{{ public_records | default([]) + [ { 'type': 'A', 'hostname': (hostvars[groups.masters[0]].openshift_master_cluster_public_hostname | replace(full_dns_domain, ''))[:-1], 'ip': hostvars[groups.lb[0]].public_v4 } ] }}"
+#   when:
+#     - hostvars[groups.masters[0]].openshift_master_cluster_public_hostname is defined
+#     - openstack_num_masters > 1
+
+# - name: "Set the public DNS server details to use the external value (if provided)"
+#   set_fact:
+#     nsupdate_server_public: "{{ external_nsupdate_keys['public']['server'] }}"
+#     nsupdate_key_secret_public: "{{ external_nsupdate_keys['public']['key_secret'] }}"
+#     nsupdate_key_algorithm_public: "{{ external_nsupdate_keys['public']['key_algorithm'] }}"
+#     nsupdate_public_key_name: "{{ external_nsupdate_keys['public']['key_name']|default('public-' + full_dns_domain) }}"
+#   when:
+#     - external_nsupdate_keys is defined
+#     - external_nsupdate_keys['public'] is defined
+
+# - name: "Set the public DNS server details to use the provisioned value"
+#   set_fact:
+#     nsupdate_server_public: "{{ hostvars[groups['dns'][0]].public_v4 }}"
+#     nsupdate_key_secret_public: "{{ hostvars[groups['dns'][0]].nsupdate_keys['public-' + full_dns_domain].key_secret }}"
+#     nsupdate_key_algorithm_public: "{{ hostvars[groups['dns'][0]].nsupdate_keys['public-' + full_dns_domain].key_algorithm }}"
+#   when:
+#     - nsupdate_server_public is undefined
+
+# - name: "Generate the public Add section for DNS"
+#   set_fact:
+#     public_named_records:
+#       - view: "public"
+#         zone: "{{ full_dns_domain }}"
+#         server: "{{ nsupdate_server_public }}"
+#         key_name: "{{ nsupdate_public_key_name|default('public-' + full_dns_domain) }}"
+#         key_secret: "{{ nsupdate_key_secret_public }}"
+#         key_algorithm: "{{ nsupdate_key_algorithm_public | lower }}"
+#         entries: "{{ public_records }}"
+
+
+
+
+
+
+- name: "Generate the final dns_records_add"
+  set_fact:
+    # TODO(shadower): enable this when we add public records
+    #dns_records_add: "{{ private_named_records + public_named_records }}"
+    dns_records_add: "{{ private_named_records }}"
+
+
+
+# RUN NSUPDATE
+
+- name: "Remove any deleted DNS A records"
+  nsupdate:
+    key_name: "{{ item.0.key_name }}"
+    key_secret: "{{ item.0.key_secret }}"
+    key_algorithm: "{{ item.0.key_algorithm }}"
+    server: "{{ item.0.server }}"
+    zone: "{{ item.0.zone }}"
+    record: "{{ item.1.hostname }}"
+    type: "{{ item.1.type }}"
+    state: absent
+  with_subelements:
+  - "{{ dns_records_rm | default({}) }}"
+  - entries
+  register: nsupdate_remove_result
+  until: nsupdate_remove_result|succeeded
+  retries: 10
+  delay: 1
+
+- name: "Add DNS A records"
+  nsupdate:
+    key_name: "{{ item.0.key_name }}"
+    key_secret: "{{ item.0.key_secret }}"
+    key_algorithm: "{{ item.0.key_algorithm }}"
+    server: "{{ item.0.server }}"
+    zone: "{{ item.0.zone }}"
+    record: "{{ item.1.hostname }}"
+    value: "{{ item.1.ip }}"
+    type: "{{ item.1.type }}"
+    state: present
+  with_subelements:
+  - "{{ dns_records_add | default({}) }}"
+  - entries
+  register: nsupdate_add_result
+  until: nsupdate_add_result|succeeded
+  retries: 10
+  delay: 1