Merge pull request #1857 from sdodson/dns-upgrade

Playbook to enable dnsmasq

4 files changed, 68 insertions, 95 deletions

diff --git a/playbooks/common/openshift-cluster/enable_dnsmasq.yml b/playbooks/common/openshift-cluster/enable_dnsmasq.yml
new file mode 100644
index 000000000..f2bcc872f
--- /dev/null
+++ b/playbooks/common/openshift-cluster/enable_dnsmasq.yml
@@ -0,0 +1,66 @@
+---
+- include: evaluate_groups.yml
+
+- name: Load openshift_facts
+  hosts: oo_masters_to_config:oo_nodes_to_config
+  roles:
+  - openshift_facts
+  post_tasks:
+  - fail: msg="This playbook requires a master version of at least Origin 1.1 or OSE 3.1"
+    when: not openshift.common.version_gte_3_1_1_or_1_1_1 | bool
+  
+- name: Reconfigure masters to listen on our new dns_port
+  hosts: oo_masters_to_config
+  handlers:
+  - include: ../../../roles/openshift_master/handlers/main.yml
+  vars:
+    os_firewall_allow:
+    - service: skydns tcp
+      port: "{{ openshift.master.dns_port }}/tcp"
+    - service: skydns udp
+      port: "{{ openshift.master.dns_port }}/udp"
+  roles:
+  - os_firewall
+  tasks:
+  - openshift_facts:
+      role: "{{ item.role }}"
+      local_facts: "{{ item.local_facts }}"
+    with_items:
+    - role: common
+      local_facts:
+        use_dnsmasq: True
+    - role: master
+      local_facts:
+        dns_port: '8053'
+  - modify_yaml:
+      dest: "{{ openshift.common.config_base }}/master/master-config.yaml"
+      yaml_key: dnsConfig.bindAddress
+      yaml_value: "{{ openshift.master.bind_addr }}:{{ openshift.master.dns_port }}"
+    notify: restart master
+  - meta: flush_handlers
+
+- name: Configure nodes for dnsmasq
+  hosts: oo_nodes_to_config
+  handlers:
+  - include: ../../../roles/openshift_node/handlers/main.yml
+  pre_tasks:
+  - openshift_facts:
+      role: "{{ item.role }}"
+      local_facts: "{{ item.local_facts }}"
+    with_items:
+    - role: common
+      local_facts:
+        use_dnsmasq: True
+    - role: node
+      local_facts:
+        dns_ip: "{{ hostvars[inventory_hostname]['ansible_default_ipv4']['address'] }}"
+  vars:
+    openshift_deployment_type: "{{ deployment_type }}"
+  roles:
+    - openshift_node_dnsmasq
+  post_tasks:
+  - modify_yaml:
+      dest: "{{ openshift.common.config_base }}/node/node-config.yaml"
+      yaml_key: dnsIP
+      yaml_value: "{{ openshift.node.dns_ip }}"
+    notify: restart node
diff --git a/playbooks/common/openshift-cluster/library b/playbooks/common/openshift-cluster/library
new file mode 120000
index 000000000..d0b7393d3
--- /dev/null
+++ b/playbooks/common/openshift-cluster/library
@@ -0,0 +1 @@
+../../../library/
\ No newline at end of file
diff --git a/playbooks/common/openshift-master/library b/playbooks/common/openshift-master/library
new file mode 120000
index 000000000..d0b7393d3
--- /dev/null
+++ b/playbooks/common/openshift-master/library
@@ -0,0 +1 @@
+../../../library/
\ No newline at end of file
diff --git a/playbooks/common/openshift-master/library/modify_yaml.py b/playbooks/common/openshift-master/library/modify_yaml.py
deleted file mode 100755
index a4be10ca3..000000000
--- a/playbooks/common/openshift-master/library/modify_yaml.py
+++ /dev/null
@@ -1,95 +0,0 @@
-#!/usr/bin/python
-# -*- coding: utf-8 -*-
-# vim: expandtab:tabstop=4:shiftwidth=4
-
-''' modify_yaml ansible module '''
-
-import yaml
-
-DOCUMENTATION = '''
----
-module: modify_yaml
-short_description: Modify yaml key value pairs
-author: Andrew Butcher
-requirements: [ ]
-'''
-EXAMPLES = '''
-- modify_yaml:
-    dest: /etc/origin/master/master-config.yaml
-    yaml_key: 'kubernetesMasterConfig.masterCount'
-    yaml_value: 2
-'''
-
-def main():
-    ''' Modify key (supplied in jinja2 dot notation) in yaml file, setting
-        the key to the desired value.
-    '''
-
-    # disabling pylint errors for global-variable-undefined and invalid-name
-    # for 'global module' usage, since it is required to use ansible_facts
-    # pylint: disable=global-variable-undefined, invalid-name,
-    # redefined-outer-name
-    global module
-
-    module = AnsibleModule(
-        argument_spec=dict(
-            dest=dict(required=True),
-            yaml_key=dict(required=True),
-            yaml_value=dict(required=True),
-            backup=dict(required=False, default=True, type='bool'),
-        ),
-        supports_check_mode=True,
-    )
-
-    dest = module.params['dest']
-    yaml_key = module.params['yaml_key']
-    yaml_value = module.safe_eval(module.params['yaml_value'])
-    backup = module.params['backup']
-
-    # Represent null values as an empty string.
-    # pylint: disable=missing-docstring, unused-argument
-    def none_representer(dumper, data):
-        return yaml.ScalarNode(tag=u'tag:yaml.org,2002:null', value=u'')
-    yaml.add_representer(type(None), none_representer)
-
-    try:
-        changes = []
-
-        yaml_file = open(dest)
-        yaml_data = yaml.safe_load(yaml_file.read())
-        yaml_file.close()
-
-        ptr = yaml_data
-        for key in yaml_key.split('.'):
-            if key not in ptr and key != yaml_key.split('.')[-1]:
-                ptr[key] = {}
-            elif key == yaml_key.split('.')[-1]:
-                if (key in ptr and module.safe_eval(ptr[key]) != yaml_value) or (key not in ptr):
-                    ptr[key] = yaml_value
-                    changes.append((yaml_key, yaml_value))
-            else:
-                ptr = ptr[key]
-
-        if len(changes) > 0:
-            if backup:
-                module.backup_local(dest)
-            yaml_file = open(dest, 'w')
-            yaml_string = yaml.dump(yaml_data, default_flow_style=False)
-            yaml_string = yaml_string.replace('\'\'', '""')
-            yaml_file.write(yaml_string)
-            yaml_file.close()
-
-        return module.exit_json(changed=(len(changes) > 0), changes=changes)
-
-    # ignore broad-except error to avoid stack trace to ansible user
-    # pylint: disable=broad-except
-    except Exception, e:
-        return module.fail_json(msg=str(e))
-
-# ignore pylint errors related to the module_utils import
-# pylint: disable=redefined-builtin, unused-wildcard-import, wildcard-import
-# import module snippets
-from ansible.module_utils.basic import *
-
-if __name__ == '__main__':
-    main()