Add CentOS support for os_designate

This commit add CentOS support to os_designate

Change-Id: Idfae25a8a769348da629bc0a4a79d1ee56d60aad

releasenotes/notes/os_designate-centos-support-501276f049c2baff.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - CentOS7/RHEL support has been added to the os_designate role.
+

tasks/designate_install.yml

@@ -13,9 +13,22 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-- include: designate_install_apt.yml
-  static: no
-  when: ansible_pkg_mgr == 'apt'
+- name: Ensure apt cache is up to date
+  apt:
+    update_cache: yes
+    cache_valid_time: "{{ cache_timeout }}"
+  when:
+    - ansible_pkg_mgr == 'apt'
+
+- name: Install designate distro packages
+  package:
+    name: "{{ item }}"
+    state: "{{ designate_package_state }}"
+  register: install_packages
+  until: install_packages|success
+  retries: 5
+  delay: 2
+  with_items: "{{ designate_distro_packages }}"
 
 - name: Create developer mode constraint file
   copy:
@@ -87,6 +100,15 @@
   notify:
     - Restart designate services
 
+- name: CentOS remove python from path first
+  file:
+    path:  "{{ designate_bin | dirname }}/bin/python2.7"
+    state: "absent"
+  when:
+    - ansible_pkg_mgr == 'yum'
+    - not designate_developer_mode | bool
+    - designate_get_venv | changed
+
 - name: Update virtualenv path
   command: >
     virtualenv-tools --update-path=auto --reinitialize {{ designate_bin | dirname }}

tests/named.conf

@@ -0,0 +1,51 @@
+options {
+        directory "/var/named";
+
+        // If there is a firewall between you and any nameservers you want
+        // to talk to, you may need to fix the firewall to allow multiple
+        // ports to talk.  See http://www.kb.cert.org/vuls/id/800113
+
+        // If your ISP provided one or more IP addresses for stable
+        // nameservers, you probably want to use them as forwarders.
+        // Uncomment the following block, and insert the addresses replacing
+        // the all-0's placeholder.
+
+        // forwarders {
+        //      0.0.0.0;
+        // };
+
+        //========================================================================
+        // If BIND logs error messages about the root key being expired,
+        // you will need to update your keys.  See https://www.isc.org/bind-keys
+        //========================================================================
+        dnssec-validation auto;
+
+        auth-nxdomain no;    # conform to RFC1035
+        listen-on-v6 { any; };
+        allow-new-zones yes;
+        request-ixfr no;
+        recursion no;
+};
+
+
+logging {
+        channel default_debug {
+                file "data/named.run";
+                severity dynamic;
+        };
+};
+
+zone "." IN {
+        type hint;
+        file "named.ca";
+};
+
+include "/etc/rndc.key";
+
+controls {
+        inet 127.0.0.1 allow { localhost; } keys { "rndc-key"; };
+};
+
+include "/etc/named.rfc1912.zones";
+include "/etc/named.root.key";
+

tests/pools.yaml.sample.centos

@@ -0,0 +1,44 @@
+- name: default
+  # The name is immutable. There will be no option to change the name after
+  # creation and the only way will to change it will be to delete it
+  # (and all zones associated with it) and recreate it.
+  description: Default BIND9 Pool
+
+  attributes: {}
+
+  # List out the NS records for zones hosted within this pool
+  ns_records:
+    - hostname: ns1-1.example.org.
+      priority: 1
+
+  # List out the nameservers for this pool. These are the actual BIND servers.
+  # We use these to verify changes have propagated to all nameservers.
+  nameservers:
+    - host: 127.0.0.1
+      port: 53
+
+  # List out the targets for this pool. For BIND, most often, there will be one
+  # entry for each BIND server.
+  targets:
+    - type: bind9
+      description: BIND9 Server 1
+
+      # List out the designate-mdns servers from which BIND servers should
+      # request zone transfers (AXFRs) from.
+      masters:
+        - host: 127.0.0.1
+          port: 5354
+
+      # BIND Configuration options
+      options:
+        host: 127.0.0.1
+        port: 53
+        rndc_host: 127.0.0.1
+        rndc_port: 953
+        rndc_key_file: /etc/rndc.key
+
+  # Optional list of additional IP/Port's for which designate-mdns will send
+  # DNS NOTIFY packets to
+  # also_notifies:
+  #  - host: 192.0.2.4
+  #    port: 53

tests/test-install-designate.yml

@@ -29,17 +29,32 @@
       db_name: "{{ designate_pool_manager_galera_database }}"
       db_password: "{{ designate_pool_manager_galera_password }}"
     - name: Install bind9
-      apt:
-        package: bind9
+      package:
+        name: "{{ bind_package_name }}"
         state: present
     - name: Drop bind configuration
       copy:
-        src: named.conf.options
-        dest: /etc/bind/named.conf.options
+        src: "{{ named_src_file }}"
+        dest: "{{ named_config_file }}"
+    - name: fix perms for named directory (centos)
+      file:
+        mode: '770'
+        state: directory
+        path: '/var/named/'
+        owner: 'root'
+        group: 'named'
+      when:
+        - ansible_pkg_mgr == 'yum'
     - name: Restart bind9
       service:
-        name: bind9
-        state: restarted
+        name: "{{ bind_service_name }}"
+        state: "{{ bind_service_state }}"
+  vars:
+    named_config_file: "{{ (ansible_pkg_mgr == 'apt') | ternary('/etc/bind/named.conf.options','/etc/named.conf') }}"
+    named_src_file: "{{ (ansible_pkg_mgr == 'apt') | ternary('named.conf.options','named.conf') }}"
+    bind_package_name: "{{ (ansible_pkg_mgr == 'apt') | ternary('bind9','bind') }}"
+    bind_service_name: "{{ (ansible_pkg_mgr == 'apt') | ternary('bind9','named') }}"
+    bind_service_state: "{{ (ansible_pkg_mgr == 'apt') | ternary('restarted','started') }}"
   roles:
     - role: "os_designate"
   vars_files:
@@ -53,11 +68,13 @@
   tasks:
     - name: Copy sample pools.yaml file
       copy:
-        src: pools.yaml.sample
+        src: "{{ sample_pool_file }}"
         dest: /etc/designate/pools.yaml
     - name: Import sample pools.yaml file
       shell: |
         . /root/openrc
         {{ designate_bin }}/designate-manage pool update --file /etc/designate/pools.yaml
+  vars:
+    sample_pool_file: "{{ (ansible_pkg_mgr == 'apt') | ternary('pools.yaml.sample','pools.yaml.sample.centos') }}"
   vars_files:
     - common/test-vars.yml

vars/redhat-7.yml

@@ -12,14 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-- name: Install apt packages
-  apt:
-    pkg: "{{ item }}"
-    state: "{{ designate_package_state }}"
-    update_cache: yes
-    cache_valid_time: "{{ cache_timeout }}"
-  register: install_packages
-  until: install_packages|success
-  retries: 5
-  delay: 2
-  with_items: "{{ designate_distro_packages }}"
+# Common yum packages
+designate_distro_packages:
+  - which