Add human log callback plugin

diff --git a/ch08/playbooks/ansible.cfg b/ch08/playbooks/ansible.cfg
new file mode 100644 (file)
index 0000000..10f842f
--- /dev/null
+++ b/ch08/playbooks/ansible.cfg
@@ -0,0 +1,2 @@
+[defaults]
+callback_plugins = callback_plugins

diff --git a/ch08/playbooks/callback_plugins/human_log.py b/ch08/playbooks/callback_plugins/human_log.py
new file mode 100644 (file)
index 0000000..1ba928b
--- /dev/null
+++ b/ch08/playbooks/callback_plugins/human_log.py
@@ -0,0 +1,247 @@
+# Source: https://github.com/n0ts/ansible-human_log
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Inspired from: https://github.com/redhat-openstack/khaleesi/blob/master/plugins/callbacks/human_log.py
+# Further improved support Ansible 2.0
+
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+import sys
+reload(sys)
+sys.setdefaultencoding('utf-8')
+
+try:
+    import simplejson as json
+except ImportError:
+    import json
+
+# Fields to reformat output for
+FIELDS = ['cmd', 'command', 'start', 'end', 'delta', 'msg', 'stdout',
+          'stderr', 'results']
+
+
+class CallbackModule(object):
+
+    """
+    Ansible callback plugin for human-readable result logging
+    """
+    CALLBACK_VERSION = 2.0
+    CALLBACK_TYPE = 'notification'
+    CALLBACK_NAME = 'human_log'
+    CALLBACK_NEEDS_WHITELIST = False
+
+    def human_log(self, data):
+        if type(data) == dict:
+            for field in FIELDS:
+                no_log = data.get('_ansible_no_log')
+                if field in data.keys() and data[field] and no_log != True:
+                    output = self._format_output(data[field])
+                    print("\n{0}: {1}".format(field, output.replace("\\n","\n")))
+
+    def _format_output(self, output):
+        # Strip unicode
+        if type(output) == unicode:
+            output = output.encode(sys.getdefaultencoding(), 'replace')
+
+        # If output is a dict
+        if type(output) == dict:
+            return json.dumps(output, indent=2)
+
+        # If output is a list of dicts
+        if type(output) == list and type(output[0]) == dict:
+            # This gets a little complicated because it potentially means
+            # nested results, usually because of with_items.
+            real_output = list()
+            for index, item in enumerate(output):
+                copy = item
+                if type(item) == dict:
+                    for field in FIELDS:
+                        if field in item.keys():
+                            copy[field] = self._format_output(item[field])
+                real_output.append(copy)
+            return json.dumps(output, indent=2)
+
+        # If output is a list of strings
+        if type(output) == list and type(output[0]) != dict:
+            # Strip newline characters
+            real_output = list()
+            for item in output:
+                if "\n" in item:
+                    for string in item.split("\n"):
+                        real_output.append(string)
+                else:
+                    real_output.append(item)
+
+            # Reformat lists with line breaks only if the total length is
+            # >75 chars
+            if len("".join(real_output)) > 75:
+                return "\n" + "\n".join(real_output)
+            else:
+                return " ".join(real_output)
+
+        # Otherwise it's a string, (or an int, float, etc.) just return it
+        return str(output)
+
+    def on_any(self, *args, **kwargs):
+        pass
+
+    def runner_on_failed(self, host, res, ignore_errors=False):
+        self.human_log(res)
+
+    def runner_on_ok(self, host, res):
+        self.human_log(res)
+
+    def runner_on_skipped(self, host, item=None):
+        pass
+
+    def runner_on_unreachable(self, host, res):
+        self.human_log(res)
+
+    def runner_on_no_hosts(self):
+        pass
+
+    def runner_on_async_poll(self, host, res, jid, clock):
+        self.human_log(res)
+
+    def runner_on_async_ok(self, host, res, jid):
+        self.human_log(res)
+
+    def runner_on_async_failed(self, host, res, jid):
+        self.human_log(res)
+
+    def playbook_on_start(self):
+        pass
+
+    def playbook_on_notify(self, host, handler):
+        pass
+
+    def playbook_on_no_hosts_matched(self):
+        pass
+
+    def playbook_on_no_hosts_remaining(self):
+        pass
+
+    def playbook_on_task_start(self, name, is_conditional):
+        pass
+
+    def playbook_on_vars_prompt(self, varname, private=True, prompt=None, encrypt=None, confirm=False, salt_size=None, salt=None, default=None):
+        pass
+
+    def playbook_on_setup(self):
+        pass
+
+    def playbook_on_import_for_host(self, host, imported_file):
+        pass
+
+    def playbook_on_not_import_for_host(self, host, missing_file):
+        pass
+
+    def playbook_on_play_start(self, name):
+        pass
+
+    def playbook_on_stats(self, stats):
+        pass
+
+    def on_file_diff(self, host, diff):
+        pass
+
+
+    ####### V2 METHODS ######
+    def v2_on_any(self, *args, **kwargs):
+        pass
+
+    def v2_runner_on_failed(self, result, ignore_errors=False):
+        self.human_log(result._result)
+
+    def v2_runner_on_ok(self, result):
+        self.human_log(result._result)
+
+    def v2_runner_on_skipped(self, result):
+        pass
+
+    def v2_runner_on_unreachable(self, result):
+        self.human_log(result._result)
+
+    def v2_runner_on_no_hosts(self, task):
+        pass
+
+    def v2_runner_on_async_poll(self, result):
+        self.human_log(result._result)
+
+    def v2_runner_on_async_ok(self, host, result):
+        self.human_log(result._result)
+
+    def v2_runner_on_async_failed(self, result):
+        self.human_log(result._result)
+
+    def v2_playbook_on_start(self, playbook):
+        pass
+
+    def v2_playbook_on_notify(self, result, handler):
+        pass
+
+    def v2_playbook_on_no_hosts_matched(self):
+        pass
+
+    def v2_playbook_on_no_hosts_remaining(self):
+        pass
+
+    def v2_playbook_on_task_start(self, task, is_conditional):
+        pass
+
+    def v2_playbook_on_vars_prompt(self, varname, private=True, prompt=None,
+                                   encrypt=None, confirm=False, salt_size=None,
+                                   salt=None, default=None):
+        pass
+
+    def v2_playbook_on_setup(self):
+        pass
+
+    def v2_playbook_on_import_for_host(self, result, imported_file):
+        pass
+
+    def v2_playbook_on_not_import_for_host(self, result, missing_file):
+        pass
+
+    def v2_playbook_on_play_start(self, play):
+        pass
+
+    def v2_playbook_on_stats(self, stats):
+        pass
+
+    def v2_on_file_diff(self, result):
+        pass
+
+    def v2_playbook_on_item_ok(self, result):
+        pass
+
+    def v2_playbook_on_item_failed(self, result):
+        pass
+
+    def v2_playbook_on_item_skipped(self, result):
+        pass
+
+    def v2_playbook_on_include(self, included_file):
+        pass
+
+    def v2_playbook_item_on_ok(self, result):
+        pass
+
+    def v2_playbook_item_on_failed(self, result):
+        pass
+
+    def v2_playbook_item_on_skipped(self, result):
+        pass