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authorTomas Sedovic <tomas@sedovic.cz>2017-10-30 17:53:02 +0100
committerTomas Sedovic <tomas@sedovic.cz>2017-11-07 14:35:46 +1100
commitfabf16250b3947a04fc3b3bcb9b6fc7c1265651b (patch)
tree18906f55088b331f578cdab542c59e9cd0734518 /roles
parenteb1f8107bb5b76cec7004f9a1ea7effab5aa0516 (diff)
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Add a stub of the dns record update code in
This will mostly not work but it's a starting point.
Diffstat (limited to 'roles')
-rw-r--r--roles/openshift_openstack/defaults/main.yml6
-rw-r--r--roles/openshift_openstack/tasks/populate-dns.yml167
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