Use template to generate ansible.cfg instead of writing files

1. add removing ansible run env in refresh.sh
2. update ansible_installer.py for generate ansible.cfg

Change-Id: I5da9cec07f063a4879262f7a726270439031ec1d

bin/refresh.sh

@@ -4,6 +4,7 @@ service mysqld restart
 /opt/compass/bin/manage_db.py createdb
 /opt/compass/bin/clean_installers.py --noasync
 /opt/compass/bin/clean_installation_logs.py
+rm -rf /var/ansible/run/*
 service httpd restart
 service rsyslog restart
 service redis restart

compass/deployment/installers/pk_installers/ansible_installer/ansible_installer.py

@@ -200,6 +200,19 @@ class AnsibleInstaller(PKInstaller):
 
         return self.get_config_from_template(hosts_tmpl_path, global_vars_dict)
 
+    def _generate_ansible_cfg_attributes(self, global_vars_dict):
+        ansible_cfg_tmpl_path = os.path.join(
+            os.path.join(self.tmpl_dir, 'ansible_cfg'), self.tmpl_name
+        )
+        if not os.path.exists(ansible_cfg_tmpl_path):
+            logging.error("cfg template '%s' does not exist", self.tmpl_name)
+            raise Exception("Template '%s' does not exist!" % self.tmpl_name)
+
+        return self.get_config_from_template(
+            ansible_cfg_tmpl_path,
+            global_vars_dict
+        )
+
     def get_config_from_template(self, tmpl_path, vars_dict):
         logging.debug("vars_dict is %s", vars_dict)
 
@@ -224,22 +237,6 @@ class AnsibleInstaller(PKInstaller):
         ansible_run_destination = os.path.join(self.ansible_run_dir, env_name)
         os.mkdir(ansible_run_destination)
 
-        ansible_log_path = os.path.join(
-            ansible_run_destination,
-            self.log_file
-        )
-        log_option = "log_path = %s" % ansible_log_path
-        host_key_checking = "host_key_checking = False"
-        ansible_cfg_file = os.path.join(
-            ansible_run_destination,
-            self.ansible_config
-        )
-        with open(ansible_cfg_file, 'w') as cfg:
-            cfg.write('[defaults]\n')
-            cfg.write(log_option)
-            cfg.write('\n')
-            cfg.write(host_key_checking)
-
         # copy roles to run env
         dirs = self.runner_dirs
         files = self.runner_files
@@ -275,6 +272,12 @@ class AnsibleInstaller(PKInstaller):
             ansible_run_destination, self.hosts_path
         )
 
+        cfg_config = self._generate_ansible_cfg_attributes(global_vars_dict)
+        cfg_destination = os.path.join(
+            ansible_run_destination,
+            self.ansible_config
+        )
+
         os.mkdir(inventory_dir)
         os.mkdir(vars_dir)
 
@@ -283,6 +286,7 @@ class AnsibleInstaller(PKInstaller):
         self.serialize_config(inv_config, inventory_destination)
         self.serialize_config(vars_config, group_vars_destination)
         self.serialize_config(hosts_config, hosts_destination)
+        self.serialize_config(cfg_config, cfg_destination)
 
     def deploy(self):
         """Start to deploy a distributed system. Return both cluster and hosts

conf/package_installer/ansible-juno.conf

@@ -3,7 +3,6 @@ INSTANCE_NAME = 'ansible_installer'
 SETTINGS = {
     'ansible_dir': '/var/ansible',
     'ansible_run_dir': '/var/ansible/run',
-    'ansible_log_file': 'ansible.log',
     'ansible_config': 'ansible.cfg',
     'playbook_file': 'site.yml',
     'inventory_file': 'inventory.yml',

conf/templates/ansible_installer/openstack_juno/ansible_cfg/allinone.tmpl

@@ -0,0 +1,5 @@
+#set cluster_name = $getVar('name', '')
+[defaults]
+log_path = /var/ansible/run/openstack_juno-$cluster_name/ansible.log
+host_key_checking = False
+callback_plugins = /opt/compass/bin/ansible_callbacks

conf/templates/ansible_installer/openstack_juno/ansible_cfg/multinodes.tmpl

@@ -0,0 +1,5 @@
+#set cluster_name = $getVar('name', '')
+[defaults]
+log_path = /var/ansible/run/openstack_juno-$cluster_name/ansible.log
+host_key_checking = False
+callback_plugins = /opt/compass/bin/ansible_callbacks

conf/templates/ansible_installer/openstack_juno/ansible_cfg/single-controller.tmpl

@@ -0,0 +1,5 @@
+#set cluster_name = $getVar('name', '')
+[defaults]
+log_path = /var/ansible/run/openstack_juno-$cluster_name/ansible.log
+host_key_checking = False
+callback_plugins = /opt/compass/bin/ansible_callbacks