Add ci through travis

* Adding a 2 second sleep in the playbook to make the region annotation
visible.
* Adding a Makefile and tools allowing to trigger tests.

.gitignore

@@ -99,3 +99,6 @@ ENV/
 
 # mypy
 .mypy_cache/
+
+# vim undo files
+*.un~

.travis.yml

@@ -0,0 +1,10 @@
+language: python
+sudo: required
+python:
+    - "2.7"
+install:
+    - pip install -r requirements.txt
+script:
+    - make check
+services:
+    - docker

Makefile

@@ -0,0 +1,11 @@
+
+syntax:
+	pycodestyle --ignore=E265,E501 callback_plugins/grafana_annotations.py
+
+container:
+	tools/start_grafana.sh
+
+check: container
+	GRAFANA_API_TOKEN='$(shell python tools/get_or_create_token.py)' ansible-playbook test.yml
+	#TODO: Check annotations are available in grafana
+	#TODO: use a test framework like unittest

callback_plugins/grafana_annotations.py

@@ -1,6 +1,20 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
+import os
+import json
+import socket
+import getpass
+from datetime import datetime
+
+try:
+    import httplib
+except ImportError:
+    # Python 3
+    import http.client as httplib
+
+from ansible.plugins.callback import CallbackBase
+
 DOCUMENTATION = '''
     callback: grafana_annotations
     type: notification
@@ -33,21 +47,6 @@
           - name: GRAFANA_API_TOKEN
 '''
 
-import os
-import json
-import socket
-import getpass
-from datetime import datetime
-
-try:
-    import httplib
-except ImportError:
-    # Python 3
-    import http.client as httplib
-
-from ansible.plugins.callback import CallbackBase
-
-
 PLAYBOOK_START_TXT = """\
 Started playbook {playbook}
 

requirements.txt

@@ -0,0 +1,2 @@
+ansible==2.4
+pycodestyle==2.3.1

test.yml

@@ -3,3 +3,4 @@
   tasks:
     - debug:
       msg: "Hello world"
+    - command: sleep 2

tools/get_or_create_token.py

@@ -0,0 +1,44 @@
+import httplib
+import sys
+import json
+import argparse
+from base64 import b64encode
+
+URI = "/api/auth/keys"
+
+parser = argparse.ArgumentParser()
+parser.add_argument("--user", default="admin", help="login for basic authentication")
+parser.add_argument("--passwd", default="admin", help="password for basic authentication")
+parser.add_argument("--host", default="127.0.0.1", help="Grafana host address")
+parser.add_argument("--port", default="3000", help="Grafana listen port")
+args = parser.parse_args()
+
+cred = "%s:%s" % (args.user, args.passwd)
+HEADERS = {"Content-Type": "application/json", "Authorization": "Basic %s" % b64encode(cred).decode('ascii')}
+
+http = httplib.HTTPConnection(args.host, args.port)
+http.request("GET", URI, headers=HEADERS)
+response = http.getresponse()
+if response.status != 200:
+    print response.read()
+tokens = json.loads(response.read())
+
+token_id = None
+for token in tokens:
+    if token.get("name") == "ansible-module":
+        token_id = token.get('id')
+if token_id:
+    http = httplib.HTTPConnection(args.host, args.port)
+    http.request("DELETE", "%s/%d" % (URI, token_id), headers=HEADERS)
+    response = http.getresponse()
+    if response.status != 200:
+        print "Failed to remove 'ansible-module' token [%s]" % response.read()
+        sys.exit(1)
+
+http = httplib.HTTPConnection(args.host, args.port)
+http.request("POST", URI, '{"name": "ansible-module", "role": "Editor"}', headers=HEADERS)
+response = http.getresponse()
+if response.status != 200:
+    print "Failed to create 'ansible-module' token"
+    sys.exit(1)
+print json.loads(response.read())["key"]

tools/start_grafana.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+CONTAINER=$(docker ps | grep 'grafana/grafana'|awk '{print $1}')
+[ -n "$CONTAINER" ] && echo "Container already running" && exit 0
+
+docker pull grafana/grafana
+[ $? -ne 0 ] && exit 1
+
+docker run -d --name=grafana -p 3000:3000 grafana/grafana
+sleep 2
+exit $?