From fabf16250b3947a04fc3b3bcb9b6fc7c1265651b Mon Sep 17 00:00:00 2001 From: Tomas Sedovic Date: Mon, 30 Oct 2017 17:53:02 +0100 Subject: Add a stub of the dns record update code in This will mostly not work but it's a starting point. --- roles/openshift_openstack/defaults/main.yml | 6 + roles/openshift_openstack/tasks/populate-dns.yml | 167 +++++++++++++++++++++++ 2 files changed, 173 insertions(+) (limited to 'roles/openshift_openstack') 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 -- cgit v1.2.1