move slapos monitor script to slapos.toolbox

setup.py

@@ -45,6 +45,7 @@ setup(name=name,
         'GitPython', #needed for git manipulation into slaprunner
         'passlib',
         'netifaces',
+        'PyRSS2Gen',
       ] + additional_install_requires,
       extras_require = {
         'lampconfigure':  ["mysqlclient"], #needed for MySQL Database access
@@ -72,6 +73,12 @@ setup(name=name,
           'is-local-tcp-port-opened = slapos.promise.is_local_tcp_port_opened:main',
           'is-process-older-than-dependency-set = slapos.promise.is_process_older_than_dependency_set:main',
           'killpidfromfile = slapos.systool:killpidfromfile', # BBB
+          'monitor.bootstrap = slapos.monitor.monitor:main',
+          'monitor.collect = slapos.monitor.collect:main',
+          'monitor.runpromise = slapos.monitor.runpromise:main',
+          'monitor.genstatus = slapos.monitor.globalstate:main',
+          'monitor.genrss = slapos.monitor.status2rss:main',
+          'monitor.genconfig = slapos.monitor.monitor_gen_update_config:main',
           'runResiliencyUnitTestTestNode = slapos.resiliencytest:runUnitTest',
           'runResiliencyScalabilityTestNode = slapos.resiliencytest:runResiliencyTest',
           'runStandaloneResiliencyTest = slapos.resiliencytest:runStandaloneResiliencyTest',

slapos/monitor/collect.py

+# -*- coding: utf-8 -*-
+##############################################################################
+#
+# Copyright (c) 2010-2014 Vifib SARL and Contributors.
+# All Rights Reserved.
+#
+# WARNING: This program as such is intended to be used by professional
+# programmers who take the whole responsibility of assessing all potential
+# consequences resulting from its eventual inadequacies and bugs
+# End users who are looking for a ready-to-use solution with commercial
+# guarantees and support are strongly adviced to contract a Free Software
+# Service Company
+#
+# This program is Free Software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public License
+# as published by the Free Software Foundation; either version 2.1
+# 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 Lesser General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+##############################################################################
+
+import sqlite3
+import os
+import pwd
+import time
+import json
+import argparse
+import psutil
+from time import strftime
+from datetime import datetime, timedelta
+
+
+def parseArguments():
+  """
+  Parse arguments for monitor collector instance.
+  """
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--output_folder',
+                      help='Path of the folder where output files should be written.')
+  parser.add_argument('--partition_id',
+                      help='ID of the computer partition to collect data from.')
+  parser.add_argument('--collector_db',
+                      help='The path of slapos collect database.')
+
+  return parser.parse_args()
+
+
+class ResourceCollect:
+
+  def __init__(self, db_path = None):
+    assert os.path.exists(db_path) and os.path.isfile(db_path)
+    self.uri = db_path
+    self.connection = None
+    self.cursor = None
+
+  def connect(self):
+    self.connection = sqlite3.connect(self.uri)
+    self.cursor = self.connection.cursor()
+
+  def close(self):
+    assert self.connection is not None
+    self.cursor.close()
+    self.connection.close()
+
+  def _execute(self, sql):
+    assert self.connection is not None
+    return self.cursor.execute(sql)
+
+  def select(self, table, date=None, columns="*", where=None):
+    """ Query database for a full table information """
+    if date is not None:
+      where_clause = " WHERE date = '%s' " % date
+    else:
+      where_clause = ""
+    
+    if where is not None:
+      if where_clause == "":
+        where_clause += " WHERE 1 = 1 "
+      where_clause += " AND %s " % where 
+    select_sql = "SELECT %s FROM %s %s " % (columns, table, where_clause)
+    return self._execute(select_sql)
+
+  def has_table(self, name):
+    self.connect()
+    check_result_cursor = self.select(
+      table="sqlite_master",
+      columns='name',
+      where="type='table' AND name='%s'" % name)
+    table_exists_result = zip(*check_result_cursor)
+    if not len(table_exists_result) or table_exists_result[0][0] is None:
+      return False
+    return True
+
+  def getPartitionCPULoadAverage(self, partition_id, date_scope):
+    self.connect()
+    query_result_cursor = self.select("user", date_scope,
+                       columns="SUM(cpu_percent)", 
+                       where="partition = '%s'" % partition_id)
+
+    cpu_percent_sum = zip(*query_result_cursor)
+    if len(cpu_percent_sum) and cpu_percent_sum[0][0] is None:
+      return
+
+    query_result_cursor = self.select("user", date_scope,
+                       columns="COUNT(DISTINCT time)", 
+                       where="partition = '%s'" % partition_id)
+
+    sample_amount = zip(*query_result_cursor)
+    self.close()
+
+    if len(sample_amount) and len(cpu_percent_sum):
+      return round(cpu_percent_sum[0][0]/sample_amount[0][0], 2)
+
+  def getPartitionUsedMemoryAverage(self, partition_id, date_scope):
+    self.connect()
+    query_result_cursor = self.select("user", date_scope,
+                       columns="SUM(memory_rss)", 
+                       where="partition = '%s'" % partition_id)
+
+    memory_sum = zip(*query_result_cursor)
+    if len(memory_sum) and memory_sum[0][0] is None:
+      return
+
+    query_result_cursor = self.select("user", date_scope,
+                       columns="COUNT(DISTINCT time)", 
+                       where="partition = '%s'" % partition_id)
+
+    sample_amount = zip(*query_result_cursor)
+    self.close()
+
+    if len(sample_amount) and len(memory_sum):
+      return round(memory_sum[0][0]/(sample_amount[0][0]*1024*1024.0), 2)
+
+  def getPartitionDiskUsedAverage(self, partition_id, date_scope):
+    if not self.has_table('folder'):
+      return
+    self.db.connect()
+    query_result_cursor = self.select("folder", date_scope,
+                       columns="SUM(disk_used)", 
+                       where="partition = '%s'" % partition_id)
+
+    disk_used_sum = zip(*query_result_cursor)
+    if len(disk_used_sum) and disk_used_sum[0][0] is None:
+      return
+    query_result_cursor = self.select("folder", date_scope,
+                       columns="COUNT(DISTINCT time)", 
+                       where="partition = '%s'" % partition_id)
+  
+    collect_amount = zip(*query_result_cursor)
+    self.db.close()
+  
+    if len(collect_amount) and len(disk_used_sum):
+      return round(disk_used_sum[0][0]/(collect_amount[0][0]*1024.0), 2)
+
+
+  def getPartitionConsumption(self, partition_id, where=""):
+    """
+      Query collector db to get consumed resource for last minute
+    """
+    self.connect()
+    comsumption_list = []
+    if where != "":
+      where = "and %s" % where
+    date_scope = datetime.now().strftime('%Y-%m-%d')
+    min_time = (datetime.now() - timedelta(minutes=1)).strftime('%H:%M:00')
+    max_time = (datetime.now() - timedelta(minutes=1)).strftime('%H:%M:59')
+
+    sql_query = """select count(pid), SUM(cpu_percent) as cpu_result, SUM(cpu_time), 
+MAX(cpu_num_threads), SUM(memory_percent), SUM(memory_rss), pid, SUM(io_rw_counter), 
+SUM(io_cycles_counter) from user 
+where date='%s' and partition='%s' and (time between '%s' and '%s') %s 
+group by pid order by cpu_result desc""" % (
+        date_scope, partition_id, min_time, max_time, where)
+    query_result = self._execute(sql_query)
+    for result in query_result:
+      count = int(result[0])
+      if not count > 0:
+        continue
+      resource_dict = {
+        'pid': result[6],
+        'cpu_percent': round(result[1]/count, 2),
+        'cpu_time': round((result[2] or 0)/(60.0), 2),
+        'cpu_num_threads': round(result[3]/count, 2),
+        'memory_percent': round(result[4]/count, 2),
+        'memory_rss': round((result[5] or 0)/(1024*1024.0), 2),
+        'io_rw_counter': round(result[7]/count, 2),
+        'io_cycles_counter': round(result[8]/count, 2)
+      }
+      try:
+        pprocess = psutil.Process(int(result[6]))
+      except psutil.NoSuchProcess:
+        pass
+      else:
+        resource_dict['name'] = pprocess.name()
+        resource_dict['command'] = pprocess.cmdline()
+        resource_dict['user'] = pprocess.username()
+        resource_dict['date'] = datetime.fromtimestamp(pprocess.create_time()).strftime("%Y-%m-%d %H:%M:%S")
+      comsumption_list.append(resource_dict)
+    self.close()
+    return comsumption_list
+  
+  def getPartitionComsumptionStatus(self, partition_id, where=""):
+    self.connect()
+    if where != "":
+      where = " and %s" % where
+    date_scope = datetime.now().strftime('%Y-%m-%d')
+    min_time = (datetime.now() - timedelta(minutes=1)).strftime('%H:%M:00')
+    max_time = (datetime.now() - timedelta(minutes=1)).strftime('%H:%M:59')
+    sql_query = """select count(pid), SUM(cpu_percent), SUM(cpu_time), 
+SUM(cpu_num_threads), SUM(memory_percent), SUM(memory_rss), SUM(io_rw_counter), 
+SUM(io_cycles_counter) from user where 
+date='%s' and partition='%s' and (time between '%s' and '%s') %s""" % (
+        date_scope, partition_id, min_time, max_time, where)
+    query_result = self._execute(sql_query)
+    result_list = zip(*query_result)
+
+    process_dict = memory_dict = io_dict = {}
+    if len(result_list):
+      result = result_list
+      process_dict = {'total_process': result[0][0],
+        'cpu_percent': round((result[1][0] or 0), 2),
+        'cpu_time': round((result[2][0] or 0)/(60.0), 2),
+        'cpu_num_threads': round((result[3][0] or 0), 2),
+        'date': '%s %s' % (date_scope, min_time)
+      }
+      memory_dict = {'memory_percent': round((result[4][0] or 0), 2),
+        'memory_rss': round((result[5][0] or 0)/(1024*1024.0), 2),
+        'date': '%s %s' % (date_scope, min_time)
+      }
+      io_dict = {'io_rw_counter': round((result[6][0] or 0), 2),
+        'io_cycles_counter': round((result[7][0] or 0), 2),
+        'disk_used': 0,
+        'date': '%s %s' % (date_scope, min_time)
+      }
+      if self.has_table('folder'):
+        disk_result_cursor = self.select(
+          "folder", date_scope,
+          columns="SUM(disk_used)", 
+          where="partition='%s' and (time between '%s' and '%s') %s" % (
+            partition_id, min_time, max_time, where
+          )
+        )
+    
+        disk_used_sum = zip(*disk_result_cursor)
+        if len(disk_used_sum) and disk_used_sum[0][0] is not None:
+          io_dict['disk_used'] = round(disk_used_sum[0][0]/1024.0, 2)
+    self.close()
+    return (process_dict, memory_dict, io_dict)
+
+def appendToJsonFile(file_path, content, stepback=2):
+  with open (file_path, mode="r+") as jfile:
+    jfile.seek(0, 2)
+    position = jfile.tell() - stepback
+    jfile.seek(position)
+    jfile.write('%s}' % ',"{}"]'.format(content))
+
+def initProcessDataFile(file_path):
+  with open(process_file, 'w') as fprocess:
+    data_dict = {
+      "date": time.time(),
+      "data": ["date, total process, CPU percent, CPU time, CPU threads"]
+    }
+    fprocess.write(json.dumps(data_dict))
+
+def initMemoryDataFile(file_path):
+  with open(mem_file, 'w') as fmem:
+    data_dict = {
+      "date": time.time(),
+      "data": ["date, memory used percent, memory used"]
+    }
+    fmem.write(json.dumps(data_dict))
+
+def initIODataFile(file_path):
+  with open(io_file, 'w') as fio:
+    data_dict = {
+      "date": time.time(),
+      "data": ["date, io rw counter, io cycles counter, disk used"]
+    }
+    fio.write(json.dumps(data_dict))
+
+def main():
+  parser = parseArguments()
+  if not os.path.exists(parser.output_folder) and os.path.isdir(parser.output_folder):
+    raise Exception("Invalid ouput folder: %s" % parser.output_folder)
+
+  # Consumption global status
+  process_file = os.path.join(parser.output_folder, 'monitor_resource_process.data.json')
+  mem_file = os.path.join(parser.output_folder, 'monitor_resource_memory.data.json')
+  io_file = os.path.join(parser.output_folder, 'monitor_resource_io.data.json')
+  resource_file = os.path.join(parser.output_folder, 'monitor_process_resource.status.json')
+  status_file = os.path.join(parser.output_folder, 'monitor_resource.status.json')
+
+  if not os.path.exists(parser.collector_db):
+    print "Collector database not found..."
+    initProcessDataFile(process_file)
+    initMemoryDataFile(mem_file)
+    initIODataFile(io_file)
+    with open(status_file, "w") as status_file:
+      status_file.write('{"cpu_time": 0, "cpu_percent": 0, "memory_rss": 0, "memory_percent": 0, "io_rw_counter": 0, "date": "", "total_process": 0, "disk_used": 0, "io_cycles_counter": 0, "cpu_num_threads": 0}')
+    with open(resource_file, "w") as resource_file:
+      resource_file.write('[]')
+    exit(1)
+
+  collector = ResourceCollect(parser.collector_db)
+
+  date_scope = datetime.now().strftime('%Y-%m-%d')
+  stat_info = os.stat(parser.output_folder)
+  partition_user = pwd.getpwuid(stat_info.st_uid)[0]
+
+  process_result, memory_result, io_result = collector.getPartitionComsumptionStatus(partition_user)
+
+  label_list = ['date', 'total_process', 'cpu_percent', 'cpu_time', 'cpu_num_threads',
+                  'memory_percent', 'memory_rss', 'io_rw_counter', 'io_cycles_counter',
+                  'disk_used']
+  resource_status_dict = {}
+  if not os.path.exists(process_file):
+    initProcessDataFile(process_file)
+
+  if not os.path.exists(mem_file):
+    initMemoryDataFile(mem_file)
+
+  if not os.path.exists(io_file):
+    initIODataFile(io_file)
+
+  if process_result and process_result['total_process'] != 0.0:
+    appendToJsonFile(process_file, ", ".join(
+      [str(process_result[key]) for key in label_list if process_result.has_key(key)])
+    )
+    resource_status_dict.update(process_result)
+  if memory_result and memory_result['memory_rss'] != 0.0:
+    appendToJsonFile(mem_file, ", ".join(
+      [str(memory_result[key]) for key in label_list if memory_result.has_key(key)])
+    )
+    resource_status_dict.update(memory_result)
+  if io_result and io_result['io_rw_counter'] != 0.0:
+    appendToJsonFile(io_file, ", ".join(
+      [str(io_result[key]) for key in label_list if io_result.has_key(key)])
+    )
+    resource_status_dict.update(io_result)
+
+  with open(status_file, 'w') as fp:
+    fp.write(json.dumps(resource_status_dict))
+
+  # Consumption Resource
+  resource_process_status_list = collector.getPartitionConsumption(partition_user)
+  if resource_process_status_list:
+    with open(resource_file, 'w') as rf:
+      rf.write(json.dumps(resource_process_status_list))

slapos/monitor/globalstate.py

+#!/usr/bin/env python
+
+import sys
+import os
+import glob
+import json
+import ConfigParser
+import time
+from datetime import datetime
+
+def softConfigGet(config, *args, **kwargs):
+  try:
+    return config.get(*args, **kwargs)
+  except (ConfigParser.NoOptionError, ConfigParser.NoSectionError):
+    return ""
+
+def generateStatisticsData(stat_file_path, content):
+  # csv document for statictics
+  if not os.path.exists(stat_file_path):
+    with open(stat_file_path, 'w') as fstat:
+      data_dict = {
+        "date": time.time(),
+        "data": ["Date, Success, Error, Warning"]
+      }
+      fstat.write(json.dumps(data_dict))
+
+  current_state = ''
+  if content.has_key('state'):
+    current_state = '%s, %s, %s, %s' % (
+      content['date'],
+      content['state']['success'],
+      content['state']['error'],
+      content['state']['warning'])
+
+  # append to file
+  if current_state:
+    with open (stat_file_path, mode="r+") as fstat:
+      fstat.seek(0,2)
+      position = fstat.tell() -2
+      fstat.seek(position)
+      fstat.write('%s}' % ',"{}"]'.format(current_state))
+
+def run(args_list):
+  monitor_file, instance_file = args_list
+
+  monitor_config = ConfigParser.ConfigParser()
+  monitor_config.read(monitor_file)
+
+  base_folder = monitor_config.get('monitor', 'private-folder')
+  status_folder = monitor_config.get('monitor', 'public-folder')
+  base_url = monitor_config.get('monitor', 'base-url')
+  related_monitor_list = monitor_config.get("monitor", "monitor-url-list").split()
+  statistic_folder = os.path.join(base_folder, 'data', '.jio_documents')
+  parameter_file = os.path.join(base_folder, 'config', '.jio_documents', 'config.json')
+
+  report_date = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
+
+  if not os.path.exists(statistic_folder):
+    try:
+      os.makedirs(statistic_folder)
+    except OSError, e:
+      if e.errno == os.errno.EEXIST and os.path.isdir(statistic_folder):
+        pass
+      else: raise
+
+  # search for all status files
+  file_list = filter(os.path.isfile,
+      glob.glob("%s/*.status.json" % status_folder)
+    )
+  error = warning = success = 0
+  status = 'OK'
+  promise_list = []
+  global_state_file = os.path.join(base_folder, 'monitor.global.json')
+  public_state_file = os.path.join(status_folder, 'monitor.global.json')
+  for file in file_list:
+    try:
+      with open(file, 'r') as temp_file:
+        tmp_json = json.loads(temp_file.read())
+    except ValueError:
+      # bad json file ?
+      continue
+    if tmp_json['status'] == 'ERROR':
+      error  += 1
+    elif tmp_json['status'] == 'OK':
+      success += 1
+    elif tmp_json['status'] == 'WARNING':
+      warning += 1
+    tmp_json['time'] = tmp_json['start-date'].split(' ')[1]
+    promise_list.append(tmp_json)
+
+  if error:
+    status = 'ERROR'
+  elif warning:
+    status = 'WARNING'
+
+  global_state_dict = dict(
+      status=status,
+      state={
+        'error': error,
+        'success': success,
+        'warning': warning,
+      },
+      type='global',
+      date=report_date,
+      _links={"rss_url": {"href": "%s/public/feed" % base_url},
+              "public_url": {"href": "%s/share/jio_public/" % base_url},
+              "private_url": {"href": "%s/share/jio_private/" % base_url}
+            },
+      data={'state': 'monitor_state.data',
+            'process_state': 'monitor_process_resource.status',
+            'process_resource': 'monitor_resource_process.data',
+            'memory_resource': 'monitor_resource_memory.data',
+            'io_resource': 'monitor_resource_io.data',
+            'monitor_process_state': 'monitor_resource.status'}
+    )
+
+  global_state_dict['_embedded'] = {'promises': promise_list}
+
+  if os.path.exists(instance_file):
+    config = ConfigParser.ConfigParser()
+    config.read(instance_file)
+    if 'instance' in config.sections():
+      instance_dict = {}
+      global_state_dict['title'] = config.get('instance', 'name')
+      global_state_dict['hosting-title'] = config.get('instance', 'root-name')
+      if not global_state_dict['title']:
+        global_state_dict['title'] = 'Instance Monitoring'
+      
+      instance_dict['computer'] = config.get('instance', 'computer')
+      instance_dict['ipv4'] = config.get('instance', 'ipv4')
+      instance_dict['ipv6'] = config.get('instance', 'ipv6')
+      instance_dict['software-release'] = config.get('instance', 'software-release')
+      instance_dict['software-type'] = config.get('instance', 'software-type')
+      instance_dict['partition'] = config.get('instance', 'partition')
+
+      global_state_dict['_embedded'].update({'instance' : instance_dict})
+
+  if related_monitor_list:
+    global_state_dict['_links']['related_monitor'] = [{'href': "%s/share/jio_public" % url}
+                          for url in related_monitor_list]
+
+  if os.path.exists(parameter_file):
+    with open(parameter_file) as cfile:
+      global_state_dict['parameters'] = json.loads(cfile.read())
+
+  # Public information with the link to private folder
+  public_state_dict = dict(
+    status=status,
+    date=report_date,
+    _links={'monitor': {'href': '%s/share/jio_private/' % base_url}},
+    title=global_state_dict.get('title', '')
+  )
+  public_state_dict['hosting-title'] = global_state_dict.get('hosting-title', '')
+  public_state_dict['_links']['related_monitor'] = global_state_dict['_links'].get('related_monitor', [])
+
+  with open(global_state_file, 'w') as fglobal:
+    fglobal.write(json.dumps(global_state_dict))
+
+  with open(public_state_file, 'w') as fpglobal:
+    fpglobal.write(json.dumps(public_state_dict))
+
+  generateStatisticsData(
+    os.path.join(statistic_folder, 'monitor_state.data.json'),
+    global_state_dict)
+
+  return 0
+
+def main():
+  if len(sys.argv) < 3:
+    print("Usage: %s <monitor_conf_path> <instance_conf_path>" % sys.argv[0])
+    sys.exit(2)
+  sys.exit(run(sys.argv[1:]))

slapos/monitor/monitor.py

+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import sys
+import os
+import stat
+import json
+import ConfigParser
+import traceback
+import argparse
+import urllib2
+import ssl
+import glob
+from datetime import datetime
+
+OPML_START = """<?xml version="1.0" encoding="UTF-8"?>
+<!-- OPML generated by SlapOS -->
+<opml version="1.1">
+	<head>
+		<title>%(root_title)s</title>
+		<dateCreated>%(creation_date)s</dateCreated>
+		<dateModified>%(modification_date)s</dateModified>
+	</head>
+	<body>
+	  <outline text="%(outline_title)s">"""
+OPML_END = """	  </outline>
+  </body>
+</opml>"""
+
+OPML_OUTLINE_FEED = '<outline text="%(title)s" title="%(title)s" type="rss" version="RSS" htmlUrl="%(html_url)s" xmlUrl="%(xml_url)s" url="%(global_url)s" />'
+
+
+def parseArguments():
+  """
+  Parse arguments for monitor instance.
+  """
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--config_file',
+                      default='monitor.cfg',
+                      help='Monitor Configuration file')
+
+  return parser.parse_args()
+
+
+def mkdirAll(path):
+  try:
+    os.makedirs(path)
+  except OSError, e:
+    if e.errno == os.errno.EEXIST and os.path.isdir(path):
+      pass
+    else: raise
+
+def softConfigGet(config, *args, **kwargs):
+  try:
+    return config.get(*args, **kwargs)
+  except (ConfigParser.NoOptionError, ConfigParser.NoSectionError):
+    return None
+
+def createSymlink(source, destination):
+  try:
+    os.symlink(source, destination)
+  except OSError, e:
+    if e.errno != os.errno.EEXIST:
+      raise
+
+class Monitoring(object):
+
+  def __init__(self, configuration_file):
+    config = self.loadConfig([configuration_file])
+
+    # Set Monitor variables
+    self.title = config.get("monitor", "title")
+    self.root_title = config.get("monitor", "root-title")
+    self.service_pid_folder = config.get("monitor", "service-pid-folder")
+    self.crond_folder = config.get("monitor", "crond-folder")
+    self.logrotate_d = config.get("monitor", "logrotate-folder")
+    self.promise_runner = config.get("monitor", "promise-runner")
+    self.promise_folder_list = config.get("monitor", "promise-folder-list").split()
+    self.public_folder = config.get("monitor", "public-folder")
+    self.private_folder = config.get("monitor", "private-folder")
+    self.collector_db  = config.get("monitor", "collector-db")
+    self.collect_script = config.get("monitor", "collect-script")
+    self.webdav_folder = config.get("monitor", "webdav-folder")
+    self.report_script_folder = config.get("monitor", "report-folder")
+    self.webdav_url = '%s/share' % config.get("monitor", "base-url")
+    self.public_url = '%s/public' % config.get("monitor", "base-url")
+    self.python = config.get("monitor", "python") or "python"
+    self.public_path_list = config.get("monitor", "public-path-list").split()
+    self.private_path_list = config.get("monitor", "private-path-list").split()
+    self.monitor_url_list = config.get("monitor", "monitor-url-list").split()
+    self.parameter_list = [param.strip() for param in config.get("monitor", "parameter-list").split('\n') if param]
+    # Use this file to write knowledge0_cfg required by webrunner
+    self.parameter_cfg_file = config.get("monitor", "parameter-file-path").strip()
+
+    self.config_folder = os.path.join(self.private_folder, 'config')
+    self.report_folder = self.private_folder
+
+    self.promise_output_file = config.get("monitor", "promise-output-file")
+    self.bootstrap_is_ok = True
+
+    self.promise_dict = {}
+    for promise_folder in self.promise_folder_list:
+      self.setupPromiseDictFromFolder(promise_folder)
+
+  def loadConfig(self, pathes, config=None):
+    if config is None:
+      config = ConfigParser.ConfigParser()
+    try:
+      config.read(pathes)
+    except ConfigParser.MissingSectionHeaderError:
+      traceback.print_exc()
+    return config
+
+  def readInstanceConfiguration(self):
+    type_list = ['raw', 'file', 'htpasswd', 'httpdcors']
+    configuration_list = []
+
+    if not self.parameter_list:
+      return []
+  
+    for config in self.parameter_list:
+      config_list = config.strip().split(' ')
+      # type: config_list[0]
+      if len(config_list) >= 3 and config_list[0] in type_list:
+        if config_list[0] == 'raw':
+          configuration_list.append(dict(
+            key='',
+            title=config_list[1],
+            value=' '.join(config_list[2:])
+          ))
+        elif (config_list[0] == 'file' or config_list[0] == 'htpasswd')  and \
+            os.path.exists(config_list[2]) and os.path.isfile(config_list[2]):
+          try:
+            with open(config_list[2]) as cfile:
+              parameter = dict(
+                key=config_list[1],
+                title=config_list[1],
+                value=cfile.read(),
+                description={
+                  "type": config_list[0],
+                  "file": config_list[2]
+                }
+              )
+              if config_list[0] == 'htpasswd':
+                if len(config_list) != 5 or not os.path.exists(config_list[4]):
+                  print 'htpasswd file is not specified: %s' % str(config_list)
+                  continue
+                parameter['description']['user'] = config_list[3]
+                parameter['description']['htpasswd'] = config_list[4]
+              configuration_list.append(parameter)
+          except OSError, e:
+            print 'Cannot read file %s, Error is: %s' % (config_list[2], str(e))
+            pass
+        elif config_list[0] == 'httpdcors' and os.path.exists(config_list[2]) and \
+            os.path.exists(config_list[3]):
+          old_cors_file = os.path.join(
+            os.path.dirname(config_list[2]),
+            'prev_%s' % os.path.basename(config_list[2])
+          )
+          try:
+            cors_content = ""
+            if os.path.exists(old_cors_file):
+              with open(old_cors_file) as cfile:
+                cors_content = cfile.read()
+            else:
+              # Create empty file
+              with open(old_cors_file, 'w') as cfile:
+                cfile.write("")
+            parameter = dict(
+              key=config_list[1],
+              title=config_list[1],
+              value=cors_content,
+              description={
+                "type": config_list[0],
+                "cors_file": config_list[2],
+                "gracefull_bin": config_list[3]
+              }
+            )
+            configuration_list.append(parameter)
+          except OSError, e:
+            print 'Cannot read file at %s, Error is: %s' % (old_cors_file, str(e))
+            pass
+    return configuration_list
+
+  def setupPromiseDictFromFolder(self, folder):
+    for filename in os.listdir(folder):
+      path = os.path.join(folder, filename)
+      if os.path.isfile(path) and os.access(path, os.X_OK):
+        self.promise_dict[filename] = {"path": path,
+                                  "configuration": ConfigParser.ConfigParser()}
+
+  def createSymlinksFromConfig(self, destination_folder, source_path_list, name=""):
+    if destination_folder:
+      if source_path_list:
+        for path in source_path_list:
+          path = path.rstrip('/')
+          dirname = os.path.join(destination_folder, name)
+          try:
+            mkdirAll(dirname)  # could also raise OSError
+            os.symlink(path, os.path.join(dirname, os.path.basename(path)))
+          except OSError, e:
+            if e.errno != os.errno.EEXIST:
+              raise
+
+  def getMonitorTitleFromUrl(self, monitor_url):
+    # This file should be generated
+    if not monitor_url.startswith('https://') and not monitor_url.startswith('http://'):
+      return 'Unknown Instance'
+    if not monitor_url.endswith('/'):
+      monitor_url = monitor_url + '/'
+
+    url  = monitor_url + '/.jio_documents/monitor.global.json' # XXX Hard Coded path
+    try:
+      # XXX - working here with public url
+      if hasattr(ssl, '_create_unverified_context'):
+        context = ssl._create_unverified_context()
+        response = urllib2.urlopen(url, context=context)
+      else:
+        response = urllib2.urlopen(url)
+    except urllib2.HTTPError:
+      self.bootstrap_is_ok = False
+      return 'Unknown Instance'
+    else:
+      try:
+        monitor_dict = json.loads(response.read())
+        return monitor_dict.get('title', 'Unknown Instance')
+      except ValueError, e:
+        print "Bad Json file at %s" % url
+        self.bootstrap_is_ok = False
+    return 'Unknown Instance'
+
+  def getReportInfoFromFilename(self, filename):
+    splited_filename = filename.split('_every_')
+    possible_time_list = ['hour', 'minute']
+    if len(splited_filename) == 1:
+      return (filename, "* * * * *")
+
+    run_time = splited_filename[1].split('_')
+    report_name = splited_filename[0]
+    if len(run_time) != 2 or not run_time[1] in possible_time_list:
+      return (report_name, "* * * * *")
+
+    try:
+      value = int(run_time[0])
+    except ValueError:
+      print "Warning: Bad report filename: %s" % filename
+      return (report_name, "* * * * *")
+
+    if run_time[1] == 'hour':
+      return (report_name, "* */%s * * *" % value)
+    if run_time[1] == 'minute':
+      return (report_name, "*/%s * * * *" % value)
+
+  def configureFolders(self):
+    # configure public and private folder
+    self.createSymlinksFromConfig(self.webdav_folder, [self.public_folder])
+    self.createSymlinksFromConfig(self.webdav_folder, [self.private_folder])
+
+    #configure jio_documents folder
+    jio_public = os.path.join(self.webdav_folder, 'jio_public')
+    jio_private = os.path.join(self.webdav_folder, 'jio_private')
+    mkdirAll(jio_public)
+    mkdirAll(jio_private)
+
+    createSymlink(self.public_folder,
+                  os.path.join(jio_public, '.jio_documents'))
+    createSymlink(self.private_folder,
+                  os.path.join(jio_private, '.jio_documents'))
+
+    self.data_folder = os.path.join(self.private_folder, 'data', '.jio_documents')
+    self.document_folder = os.path.join(self.private_folder, 'documents')
+    config_folder = os.path.join(self.config_folder, '.jio_documents')
+
+    mkdirAll(self.data_folder)
+    mkdirAll(config_folder)
+
+    createSymlink(os.path.join(self.private_folder, 'data'),
+                  os.path.join(jio_private, 'data'))
+    createSymlink(self.config_folder, os.path.join(jio_private, 'config'))
+    createSymlink(self.data_folder, self.document_folder)
+
+    # Cleanup private folder
+    for file in glob.glob("%s/*.history.json" % self.private_folder):
+      try:
+        os.unlink(file)
+      except OSError:
+        print "failed to remove file %s. Ignoring..." % file
+
+  def makeConfigurationFiles(self):
+    config_folder = os.path.join(self.config_folder, '.jio_documents')
+    parameter_config_file = os.path.join(config_folder, 'config.parameters.json')
+    parameter_file = os.path.join(config_folder, 'config.json')
+    #mkdirAll(config_folder)
+
+    parameter_list = self.readInstanceConfiguration()
+    description_dict = {}
+
+    if parameter_list:
+      for i in range(0, len(parameter_list)):
+        key = parameter_list[i]['key']
+        if key:
+          description_dict[key] = parameter_list[i].pop('description')
+
+    with open(parameter_config_file, 'w') as config_file:
+      config_file.write(json.dumps(description_dict))
+
+    with open(parameter_file, 'w') as config_file:
+      config_file.write(json.dumps(parameter_list))
+
+    try:
+      with open(self.parameter_cfg_file, 'w') as pfile:
+        pfile.write('[public]\n')
+        for parameter in parameter_list:
+          if parameter['key']:
+            pfile.write('%s = %s\n' % (parameter['key'], parameter['value']))
+    except OSError, e:
+      print "Error failed to create file %s" % self.parameter_cfg_file
+      pass
+      
+
+  def generateOpmlFile(self, feed_url_list, output_file):
+
+    if os.path.exists(output_file):
+      creation_date = datetime.fromtimestamp(os.path.getctime(output_file)).utcnow().strftime("%a, %d %b %Y %H:%M:%S +0000")
+      modification_date = datetime.utcnow().strftime("%a, %d %b %Y %H:%M:%S +0000")
+    else:
+      creation_date = modification_date = datetime.utcnow().strftime("%a, %d %b %Y %H:%M:%S +0000")
+
+    opml_content = OPML_START % {'creation_date': creation_date,
+                                  'modification_date': modification_date,
+                                  'outline_title': 'Monitoring RSS Feed list',
+                                  'root_title': self.root_title}
+
+    opml_content += OPML_OUTLINE_FEED % {'title': self.title,
+        'html_url': self.public_url + '/feed',
+        'xml_url': self.public_url + '/feed',
+        'global_url': "%s/jio_private/" % self.webdav_url}
+    for feed_url in feed_url_list:
+      opml_content += OPML_OUTLINE_FEED % {'title': self.getMonitorTitleFromUrl(feed_url + "/share/jio_public/"),
+        'html_url': feed_url + '/public/feed',
+        'xml_url': feed_url + '/public/feed',
+        'global_url': "%s/share/jio_private/" % feed_url}
+
+    opml_content += OPML_END
+
+    with open(output_file, 'w') as wfile:
+      wfile.write(opml_content)
+
+  def generateLogrotateEntry(self, name, file_list, option_list):
+    """
+      Will add a new entry in logrotate.d folder. This can help to rotate data file daily
+    """
+    content = "%(logfiles)s {\n%(options)s\n}\n" % {
+                'logfiles': ' '.join(file_list),
+                'options': '\n'.join(option_list)
+              }
+    file_path = os.path.join(self.logrotate_d, name)
+    with open(file_path, 'w') as flog:
+      flog.write(content)
+
+  def generateReportCronEntries(self):
+    cron_line_list = []
+
+    report_name_list = [name.replace('.report.json', '')
+      for name in os.listdir(self.report_folder) if name.endswith('.report.json')]
+
+    for filename in os.listdir(self.report_script_folder):
+      report_script = os.path.join(self.report_script_folder, filename)
+      if os.path.isfile(report_script) and os.access(report_script, os.X_OK):
+        report_name, frequency = self.getReportInfoFromFilename(filename)
+        # report_name = os.path.splitext(filename)[0]
+        report_json_path = "%s.report.json" % report_name
+
+        report_cmd_line = [
+          frequency,
+          self.promise_runner,
+          '--pid_path "%s"' % os.path.join(self.service_pid_folder,
+            "%s.pid" % filename),
+          '--output "%s"' % os.path.join(self.report_folder,report_json_path),
+          '--promise_script "%s"' % report_script,
+          '--promise_name "%s"' % report_name,
+          '--monitor_url "%s/jio_private/"' % self.webdav_url, # XXX hardcoded,
+          '--history_folder "%s"' % self.data_folder,
+          '--instance_name "%s"' % self.title,
+          '--hosting_name "%s"' % self.root_title,
+          '--promise_type "report"']
+
+        cron_line_list.append(' '.join(report_cmd_line))
+
+      if report_name in report_name_list:
+        report_name_list.pop(report_name_list.index(report_name))
+
+    # cleanup removed report json result
+    if report_name_list != []:
+      for report_name in report_name_list:
+        result_path = os.path.join(self.public_folder, '%s.report.json' % report_name)
+        if os.path.exists(result_path):
+          try:
+            os.unlink(result_path)
+          except OSError, e:
+            print "Error: Failed to delete %s" % result_path, str(e)
+            pass
+
+    with open(self.crond_folder + "/monitor-reports", "w") as freport:
+      freport.write("\n".join(cron_line_list))
+
+  def generateServiceCronEntries(self):
+    # XXX only if at least one configuration file is modified, then write in the cron
+    #cron_line_list = ['PATH=%s\n' % os.environ['PATH']]
+    cron_line_list = []
+
+    service_name_list = [name.replace('.status.json', '')
+      for name in os.listdir(self.public_folder) if name.endswith('.status.json')]
+
+    for service_name, promise in self.promise_items:
+      service_config = promise["configuration"]
+      service_status_path = "%s/%s.status.json" % (self.public_folder, service_name)
+      mkdirAll(os.path.dirname(service_status_path))
+
+      promise_cmd_line = [
+        softConfigGet(service_config, "service", "frequency") or "* * * * *",
+        self.promise_runner,
+        '--pid_path "%s"' % os.path.join(self.service_pid_folder,
+          "%s.pid" % service_name),
+        '--output "%s"' % service_status_path,
+        '--promise_script "%s"' % promise["path"],
+        '--promise_name "%s"' % service_name,
+        '--monitor_url "%s/jio_private/"' % self.webdav_url, # XXX hardcoded,
+        '--history_folder "%s"' % self.public_folder,
+        '--instance_name "%s"' % self.title,
+        '--hosting_name "%s"' % self.root_title]
+
+      cron_line_list.append(' '.join(promise_cmd_line))
+
+      if service_name in service_name_list:
+        service_name_list.pop(service_name_list.index(service_name))
+
+    if service_name_list != []:
+      # XXX Some service was removed, delete his status file so monitor will not consider his status anymore
+      for service_name in service_name_list:
+        status_path = os.path.join(self.public_folder, '%s.status.json' % service_name)
+        if os.path.exists(status_path):
+          try:
+            os.unlink(status_path)
+          except OSError, e:
+            print "Error: Failed to delete %s" % status_path, str(e)
+            pass
+
+    with open(self.crond_folder + "/monitor-promises", "w") as fp:
+      fp.write("\n".join(cron_line_list))
+
+  def addCronEntry(self, name, frequency, command):
+    entry_line = '%s %s' % (frequency, command)
+    cron_entry_file = os.path.join(self.crond_folder, name)
+    with open(cron_entry_file, "w") as cronf:
+      cronf.write(entry_line)
+
+  def bootstrapMonitor(self):
+
+    if os.path.exists(self.promise_output_file):
+      os.unlink(self.promise_output_file)
+
+    # create symlinks from monitor.conf
+    self.createSymlinksFromConfig(self.public_folder, self.public_path_list)
+    self.createSymlinksFromConfig(self.private_folder, self.private_path_list)
+
+    self.configureFolders()
+
+    # create symlinks from service configurations
+    self.promise_items = self.promise_dict.items()
+    for service_name, promise in self.promise_items:
+      service_config = promise["configuration"]
+      public_path_list = softConfigGet(service_config, "service", "public-path-list")
+      private_path_list = softConfigGet(service_config, "service", "private-path-list")
+      if public_path_list:
+        self.createSymlinksFromConfig(self.public_folder,
+                                      public_path_list.split(),
+                                      service_name)
+      if private_path_list:
+        self.createSymlinksFromConfig(self.private_folder,
+                                      private_path_list.split(),
+                                      service_name)
+
+    # Generate OPML file
+    self.generateOpmlFile(self.monitor_url_list,
+      os.path.join(self.public_folder, 'feeds'))
+
+    # put promises to a cron file
+    self.generateServiceCronEntries()
+
+    # put report script to cron
+    self.generateReportCronEntries()
+
+    # Generate parameters files and scripts
+    self.makeConfigurationFiles()
+
+    # Rotate monitor data files
+    option_list = [
+      'daily', 'nocreate', 'olddir %s' % self.data_folder, 'rotate 5',
+      'nocompress', 'extension .json', 'dateext',
+      'dateformat -%Y-%m-%d', 'notifempty'
+    ]
+    file_list = [
+      "%s/*.data.json" % self.private_folder,
+      "%s/*.data.json" % self.data_folder]
+    self.generateLogrotateEntry('monitor.data', file_list, option_list)
+
+    # Rotate public history status file, delete data of previous days
+    option_list = [
+      'daily', 'nocreate', 'rotate 0',
+      'nocompress', 'notifempty'
+    ]
+    file_list = ["%s/*.history.json" % self.public_folder]
+    self.generateLogrotateEntry('monitor.service.status', file_list, option_list)
+
+    # Add cron entry for SlapOS Collect
+    command = "%s %s --output_folder %s --collector_db %s" % (self.python,
+      self.collect_script, self.data_folder, self.collector_db)
+    self.addCronEntry('monitor_collect', '* * * * *', command)
+
+    # Write an empty file when monitor bootstrap went until the end
+    if self.bootstrap_is_ok:
+      with open(self.promise_output_file, 'w') as promise_file:
+        promise_file.write("")
+
+    return 0
+
+
+def main():
+  parser = parseArguments()
+
+  monitor = Monitoring(parser.config_file)
+  
+  sys.exit(monitor.bootstrapMonitor())

slapos/monitor/monitor_gen_update_config.py

+#!/usr/bin/env python
+
+import sys
+import os
+import re
+import json
+import argparse
+import subprocess
+from datetime import datetime
+import time
+
+
+def parseArguments():
+  """
+  Parse arguments for monitor instance.
+  """
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--config_folder',
+                      help='Path where json configuration/document will be read and write')
+  parser.add_argument('--htpasswd_bin',
+                      help='Path apache htpasswd binary. Needed to write htpasswd file.')
+  parser.add_argument('--output_cfg_file',
+                      help='Ouput parameters in cfg file.')
+
+  return parser.parse_args()
+
+def fileWrite(file_path, content):
+  if os.path.exists(file_path):
+    try:
+      with open(file_path, 'w') as wf:
+        wf.write(content)
+        return True
+    except OSError, e:
+      print "ERROR while writing changes to %s.\n %s" % (file_path, str(e))
+  return False
+
+def htpasswdWrite(htpasswd_bin,  parameter_dict, value):
+  if not os.path.exists(parameter_dict['file']):
+    return False
+  command = [htpasswd_bin, '-cb', parameter_dict['htpasswd'], parameter_dict['user'], value]
+  process = subprocess.Popen(
+    command,
+    stdin=None,
+    stdout=subprocess.PIPE,
+    stderr=subprocess.PIPE
+  )
+  result = process.communicate()[0]
+  if process.returncode != 0:
+    print result
+    return False
+  with open(parameter_dict['file'], 'w') as pfile:
+    pfile.write(value)
+  return True
+
+def httpdCorsDomainWrite(httpd_cors_file, httpd_gracefull_bin, cors_domain):
+  cors_string = ""
+  cors_domain_list = cors_domain.split()
+  old_httpd_cors_file = os.path.join(
+    os.path.dirname(httpd_cors_file),
+    'prev_%s' % os.path.basename(httpd_cors_file)
+  )
+  if os.path.exists(old_httpd_cors_file) and os.path.isfile(old_httpd_cors_file):
+    try:
+      with open(old_httpd_cors_file, 'r') as cors_file:
+        if cors_file.read() == cors_domain:
+          if os.path.exists(httpd_cors_file) and (os.stat(httpd_cors_file).st_size > 0
+            or (cors_domain == "" and os.stat(httpd_cors_file).st_size == 0)):
+            # Skip if cors file is not empty
+            return True
+    except OSError, e:
+      print "Failed to open file at %s. \n%s" % (old_httpd_cors_file, str(e))
+  for domain in cors_domain_list:
+    if cors_string:
+      cors_string += '|'
+    cors_string += re.escape(domain)
+  try:
+    with open(httpd_cors_file, 'w') as file:
+      file.write('SetEnvIf Origin "^http(s)?://(.+\.)?(%s)$" origin_is=$0\n' % cors_string)
+      file.write('Header always set Access-Control-Allow-Origin %{origin_is}e env=origin_is')
+  except OSError, e:
+    print "ERROR while writing CORS changes to %s.\n %s" % (httpd_cors_file, str(e))
+    return False
+
+  # Save current cors domain list
+  try:
+    with open(old_httpd_cors_file, 'w') as cors_file:
+      cors_file.write(cors_domain)
+  except OSError, e:
+    print "Failed to open file at %s. \n%s" % (old_httpd_cors_file, str(e))
+    return False
+
+  # Restart httpd process
+  try:
+    subprocess.call(httpd_gracefull_bin)
+  except OSError, e:
+    print "Failed to execute command %s.\n %s" % (httpd_gracefull_bin, str(e))
+    return False
+
+def applyEditChage(parser):
+  parameter_tmp_file = os.path.join(parser.config_folder, 'config.tmp.json')
+  config_file = os.path.join(parser.config_folder, 'config.json')
+  parameter_config_file = os.path.join(parser.config_folder, 'config.parameters.json')
+  if not os.path.exists(parameter_tmp_file) or not os.path.isfile(parameter_tmp_file):
+    return {}
+  if not os.path.exists(config_file):
+    print "ERROR: Config file doesn't exist... Exiting"
+    return {}
+
+  new_parameter_list = []
+  parameter_list = []
+  description_dict = {}
+  result_dict = {}
+
+  try:
+    with open(parameter_tmp_file) as tmpfile:
+      new_parameter_list = json.loads(tmpfile.read())
+  except ValueError:
+    print "Error: Couldn't parse json file %s" % parameter_tmp_file
+
+  with open(parameter_config_file) as tmpfile:
+    description_dict = json.loads(tmpfile.read())
+
+  for i in range(0, len(new_parameter_list)):
+    key = new_parameter_list[i]['key']
+    if key != '':
+      description_entry = description_dict[key]
+      if description_entry['type'] == 'file':
+        result_dict[key] = fileWrite(description_entry['file'], new_parameter_list[i]['value'])
+      elif description_entry['type'] == 'htpasswd':
+        result_dict[key] = htpasswdWrite(parser.htpasswd_bin, description_entry, new_parameter_list[i]['value'])
+      elif description_entry['type'] == 'httpdcors':
+        result_dict[key] = httpdCorsDomainWrite(description_entry['cors_file'], description_entry['gracefull_bin'], new_parameter_list[i]['value'])
+
+  if (parser.output_cfg_file):
+    try:
+      with open(parser.output_cfg_file, 'w') as pfile:
+        pfile.write('[public]\n')
+        for parameter in new_parameter_list:
+          if parameter['key']:
+            pfile.write('%s = %s\n' % (parameter['key'], parameter['value']))
+    except OSError, e:
+      print "Error failed to create file %s" % parser.output_cfg_file
+      pass
+
+  return result_dict
+
+def main():
+  parser = parseArguments()
+  parameter_tmp_file = os.path.join(parser.config_folder, 'config.tmp.json')
+  config_file = os.path.join(parser.config_folder, 'config.json')
+
+  # Run 4 times with sleep
+  run_counter = 1
+  max_runn = 4
+  sleep_time = 15
+
+  while True:
+    result_dict = applyEditChage(parser)
+    if result_dict != {}:
+      status = True
+      for key in result_dict:
+        if not result_dict[key]:
+          status = False
+    
+      if status and os.path.exists(parameter_tmp_file):
+        try:
+          os.unlink(config_file)
+        except OSError, e:
+          print "ERROR cannot remove file: %s" % parameter_tmp_file
+        else:
+          os.rename(parameter_tmp_file, config_file)
+    if run_counter == max_runn:
+      break
+    else:
+      run_counter += 1
+      time.sleep(sleep_time)
+
+
+
+
+
+
+
+

slapos/monitor/runpromise.py

+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import sys
+import os
+import subprocess
+import json
+import psutil
+import time
+from shutil import copyfile
+import glob
+import argparse
+import traceback
+
+def parseArguments():
+  """
+  Parse arguments for monitor collector instance.
+  """
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--pid_path',
+                      help='Path where the pid of this process will be writen.')
+  parser.add_argument('--output',
+                      help='The Path of file where Json result of this promise will be saved.')
+  parser.add_argument('--promise_script',
+                      help='Promise script to execute.')
+  parser.add_argument('--promise_name',
+                      help='Title to give to this promise.')
+  parser.add_argument('--promise_type',
+                      default='status',
+                      help='Type of promise to execute. [status, report].')
+  parser.add_argument('--monitor_url',
+                      help='Monitor Instance website URL.')
+  parser.add_argument('--history_folder',
+                      help='Path where old result file will be placed before generate a new json result file.')
+  parser.add_argument('--instance_name',
+                      default='UNKNOWN Software Instance',
+                      help='Software Instance name.')
+  parser.add_argument('--hosting_name',
+                      default='UNKNOWN Hosting Subscription',
+                      help='Hosting Subscription name.')
+
+  return parser
+
+def runpromise(parser):
+
+  if os.path.exists(parser.pid_path):
+    with open(parser.pid_path, "r") as pidfile:
+      try:
+        pid = int(pidfile.read(6))
+      except ValueError:
+        pid = None
+      if pid and os.path.exists("/proc/" + str(pid)):
+        print("A process is already running with pid " + str(pid))
+        return 1
+  start_date = ""
+  with open(parser.pid_path, "w") as pidfile:
+    process = executeCommand(parser.promise_script)
+    ps_process = psutil.Process(process.pid)
+    start_date = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(ps_process.create_time()))
+    pidfile.write(str(process.pid))
+
+  status_json = generateStatusJsonFromProcess(process, start_date=start_date)
+
+  status_json['_links'] = {"monitor": {"href": parser.monitor_url}}
+  status_json['title'] = parser.promise_name
+  status_json['instance'] = parser.instance_name
+  status_json['hosting_subscription'] = parser.hosting_name
+  status_json['type'] = parser.promise_type
+
+  # Save the lastest status change date (needed for rss)
+  status_json['change-time'] = ps_process.create_time()
+  if os.path.exists(parser.output):
+    with open(parser.output) as f:
+      try:
+        last_result = json.loads(f.read())
+        if status_json['status'] == last_result['status'] and last_result.has_key('change-time'):
+          status_json['change-time'] = last_result['change-time']
+      except ValueError:
+        pass
+
+  updateStatusHistoryFolder(
+    parser.promise_name,
+    parser.output,
+    parser.history_folder,
+    parser.promise_type
+  )
+  with open(parser.output, "w") as outputfile:
+    json.dump(status_json, outputfile)
+  os.remove(parser.pid_path)
+
+def updateStatusHistoryFolder(name, status_file, history_folder, promise_type):
+  history_path = os.path.join(history_folder)
+  if not os.path.exists(status_file):
+    return
+  if not os.path.exists(history_folder):
+    return
+  if not os.path.exists(history_path):
+    try:
+      os.makedirs(history_path)
+    except OSError, e:
+      if e.errno == os.errno.EEXIST and os.path.isdir(history_path):
+        pass
+      else: raise
+  with open(status_file, 'r') as sf:
+    try:
+      status_dict = json.loads(sf.read())
+    except ValueError:
+      traceback.print_exc()
+      return
+
+  if promise_type == 'status':
+    filename = '%s.history.json' % name
+    history_file = os.path.join(history_path, filename)
+    # Remove links from history (not needed)
+    status_dict.pop('_links', None)
+    if not os.path.exists(history_file):
+      with open(history_file, 'w') as f_history:
+        data_dict = {
+          "date": time.time(),
+          "data": [status_dict]
+        }
+        f_history.write(json.dumps(data_dict))
+    else:
+      # Remove useless informations
+      status_dict.pop('hosting_subscription', '')
+      status_dict.pop('title', '')
+      status_dict.pop('instance', '')
+      status_dict.pop('type', '')
+
+      with open (history_file, mode="r+") as f_history:
+        f_history.seek(0,2)
+        position = f_history.tell() -2
+        f_history.seek(position)
+        #f_history.write(',%s]}' % str(status_dict))
+        f_history.write('%s}' % ',{}]'.format(json.dumps(status_dict)))
+  elif promise_type == 'report':
+    # keep_item_amount = 3
+    filename = '%s.history.json' % (
+      name)
+
+    copyfile(status_file, os.path.join(history_path, filename))
+    """# Don't let history foler grow too much, keep xx files
+    file_list = filter(os.path.isfile,
+        glob.glob("%s/*.%s.history.json" % (history_path, promise_type))
+      )
+    file_count = len(file_list)
+    if file_count > keep_item_amount:
+      file_list.sort(key=lambda x: os.path.getmtime(x))
+      while file_count > keep_item_amount:
+        to_delete = file_list.pop(0)
+        try:
+          os.unlink(to_delete)
+          file_count -= 1
+        except OSError:
+          raise"""
+
+def generateStatusJsonFromProcess(process, start_date=None, title=None):
+  stdout, stderr = process.communicate()
+  status_json = {}
+  if process.returncode != 0:
+    status_json["status"] = "ERROR"
+  else:
+    status_json["status"] = "OK"
+  if stderr:
+    status_json["message"] = stderr
+  elif stdout:
+    status_json["message"] = stdout
+  if start_date:
+    status_json["start-date"] = start_date
+  if title:
+    status_json["title"] = title
+  return status_json
+
+
+def executeCommand(args):
+  return subprocess.Popen(
+    args,
+    #cwd=instance_path,
+    #env=None if sys.platform == 'cygwin' else {},
+    stdin=None,
+    stdout=subprocess.PIPE,
+    stderr=subprocess.PIPE
+  )
+
+def main():
+  arg_parser = parseArguments()
+  sys.exit(runpromise(parser.parse_args()))

slapos/monitor/status2rss.py

+import sys
+import os
+import json
+from datetime import datetime
+import base64
+import hashlib
+import PyRSS2Gen
+import argparse
+
+def parseArguments():
+  """
+  Parse arguments for monitor Rss Generator.
+  """
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--items_folder',
+                      help='Path where to get *.status.json files which contain result of promises.')
+  parser.add_argument('--output',
+                      help='The Path of file where feed file will be saved.')
+  parser.add_argument('--feed_url',
+                      help='Url of this feed file.')
+  parser.add_argument('--public_url',
+                      help='Monitor Instance public URL.')
+  parser.add_argument('--private_url',
+                      help='Monitor Instance private URL.')
+  parser.add_argument('--instance_name',
+                      default='UNKNOW Software Instance',
+                      help='Software Instance name.')
+  parser.add_argument('--hosting_name',
+                      default='',
+                      help='Hosting Subscription name.')
+
+  return parser.parse_args()
+
+def getKey(item):
+  return item.pubDate
+
+def main():
+  parser = parseArguments()
+
+  rss_item_list = []
+  report_date = datetime.utcnow()
+  for filename in os.listdir(parser.items_folder):
+    if filename.endswith(".status.json"):
+      filepath = os.path.join(parser.items_folder, filename)
+      result_dict = None
+      try:
+        result_dict = json.load(open(filepath, "r"))
+      except ValueError:
+        print "Failed to load json file: %s" % filepath
+        continue
+      description = result_dict.get('message', '')
+      event_time = datetime.fromtimestamp(result_dict['change-time'])
+      rss_item = PyRSS2Gen.RSSItem(
+        categories = [result_dict['status']],
+        source = PyRSS2Gen.Source(result_dict['title'], parser.public_url),
+        title = '[%s] %s' % (result_dict['status'], result_dict['title']),
+        comments = description,
+        description = "%s: %s\n%s" % (event_time, result_dict['status'], description),
+        link = parser.private_url,
+        pubDate = event_time,
+        guid = PyRSS2Gen.Guid(base64.b64encode("%s, %s" % (parser.hosting_name, result_dict['title'])))
+      )
+      rss_item_list.append(rss_item)
+
+
+  ### Build the rss feed
+  sorted(rss_item_list, key=getKey)
+  rss_feed = PyRSS2Gen.RSS2 (
+    title = parser.instance_name,
+    link = parser.feed_url,
+    description = parser.hosting_name,
+    lastBuildDate = report_date,
+    items = rss_item_list
+    )
+
+  with open(parser.output, 'w') as frss:
+    frss.write(rss_feed.to_xml())
+
+def main():
+  exit(main())