zabbix/zabbixsite.py

   1 #!/usr/bin/python
   2
   3 from os import getcwd
   4 from os.path import dirname, exists, join
   5 import sys
   6 import md5
   7 import glob
   8
   9 from monitor import config
  10 from monitor.database.dborm import zab_session as session
  11 from monitor.database.zabbixapi.model import *
  12 from monitor.database.zabbixapi.emailZabbix import *
  13 from monitor.database.zabbixapi import defines
  14 from monitor.util.file import *
  15
  16
  17
  18 HOSTGROUP_NAME="%s_hostgroup"
  19 USERGROUP_NAME="%s_usergroup"
  20
  21 DISCOVERY_RULE_NAME="discovery rule for %s"
  22 DISCOVERY_ACTION_NAME="Auto-discover %s action"
  23 ESCALATION_ACTION_NAME="Escalation Action for %s"
  24
  25 def delete_site(loginbase):
  26
  27         # get host group, usrgrp
  28         # get all users in usrgrp, delete each
  29         usergroupname = USERGROUP_NAME % loginbase
  30         hostgroupname = HOSTGROUP_NAME % loginbase
  31         discovery_action_name = DISCOVERY_ACTION_NAME % loginbase
  32         discovery_rule_name = DISCOVERY_RULE_NAME % loginbase
  33         escalation_action_name = ESCALATION_ACTION_NAME % loginbase
  34
  35         ug = UsrGrp.get_by(name=usergroupname)
  36         if ug:
  37                 for user in ug.user_list:
  38                         # remove user from group, if a member of no other groups,
  39                         # delete user.
  40                         #user.delete()
  41                         pass
  42                 ug.delete()
  43
  44         hg = HostGroup.get_by(name=hostgroupname)
  45         if hg:
  46                 # figure out how to delete all the hosts...
  47                 # NOTE: hosts are listed in hg.host_list
  48                 for host in hg.host_list:
  49                         host.delete()
  50                 hg.delete()
  51
  52         # delete dr
  53         dr = DiscoveryRule.get_by(name=discovery_rule_name)
  54         if dr: dr.delete()
  55
  56         da = Action.get_by(name=discovery_action_name)
  57         if da: da.delete()
  58
  59         ea = Action.get_by(name=escalation_action_name)
  60         if ea: ea.delete()
  61
  62         return
  63
  64
  65 # NOTE: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  66 ##     These functions can ONLY be run when the server and gui are offline.
  67 ##     Any changes to the db while this is running risks introducing a failure
  68 ##         to commit, and therefore error.
  69 # NOTE: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  70 def setup_global():
  71         # GLOBAL:
  72         #       update mediatype for email.
  73         ############################### MAIL
  74         print "checking for MediaType Email"
  75         mediatype = MediaType.get_by(description="Email")
  76         if not mediatype:
  77                 print "ERROR:  There is no defined media type for 'Email'"
  78                 raise Exception("No Email Media type in Zabbix db")
  79
  80         print "checking for correct configuration"
  81         mediatype = MediaType.get_by(smtp_email=config.from_email)
  82         if not mediatype:
  83                 mediatype = MediaType.get_by(description="Email")
  84                 # NOTE: assumes smtp server is local to this machine.
  85                 print "updating email server configuration"
  86                 mediatype.smtp_server='localhost'
  87                 mediatype.smtp_helo=".".join(config.MONITOR_HOSTNAME.split('.')[1:])
  88                 mediatype.smtp_email=config.from_email
  89
  90         ############################# EMAIL
  91         mailtxt.reformat({'hostname' : config.MONITOR_HOSTNAME,
  92                                           'support_email' : config.support_email})
  93
  94         ############################### CENTRAL SERVER
  95         print "checking zabbix server host info"
  96         zabbixserver = Host.get_by(host="ZABBIX Server")
  97         if zabbixserver:
  98                 # TODO: verify that this works.  it has failed once on fresh
  99                 # install... not sure why.
 100                 print "Removing default Zabbix server entry"
 101                 zabbixserver.delete()
 102
 103                 # NOTE: creating a host and assigning a template cannot work
 104                 #       due to the crazy item, trigger, action
 105                 #               copying that the php code does during a host add.
 106                 # NOTE: Instead, reformat any *xml.in templates and import those
 107                 #               during /etc/plc.d/monitor sync
 108                 for file in glob.glob("%s/zabbix/templates/*.xml.in" % config.MONITOR_SCRIPT_ROOT):
 109                         if 'zabbix_server' in file:
 110                                 buf = loadFile(file)
 111                                 args = {'hostname' : config.MONITOR_HOSTNAME, 'ip' : config.MONITOR_IP}
 112                                 dumpFile(file[:-3], buf % args)
 113
 114
 115         ##################### SCRIPTS
 116         ## TODO: add calls to check/reset the boot states.
 117         print "checking scripts"
 118         script1 = Script.find_or_create(name="RebootNode",
 119                                                                         set_if_new = {
 120                                                                                 'command':"%s/reboot.py {HOST.CONN}" % config.MONITOR_SCRIPT_ROOT,
 121                                                                                 'host_access':3 # r/w)
 122                                                                         })
 123         script2 = Script.find_or_create(name="NMap",
 124                                                         set_if_new = {
 125                                                                 'command':"/usr/bin/nmap -A {HOST.CONN}",
 126                                                                 'host_access':2 # r/o)
 127                                                 })
 128         return
 129
 130 def merge_iplist(iplist):
 131         # TODO:  rewrite addresses as x.x.x.y-z rather than x.x.x.y,x.x.x.z if y-z==1
 132         ips = iplist.split(',')
 133         ips.sort()
 134         prev=None
 135         newlist=""
 136         for ip in ips:
 137                 fields = ip.split('.')
 138                 first = ".".join(fields[:2])
 139                 last  = int(fields[3])
 140                 if prev:
 141                         if last - prev == 1:
 142                                 pass
 143                 prev=last
 144                 newlist += "%s,"
 145         return newlist[:-1]
 146
 147 def setup_site(loginbase, techemail, piemail, iplist):
 148
 149         # TODO: send a message when host is discovered.
 150
 151         # TODO: update 'discovered' hosts with dns name.
 152         # TODO: remove old nodes that are no longer in the plcdb.
 153         # TODO: remove old users that are no longer in the plcdb.
 154         # TODO: consider creating two user groups for Tech & PI emails
 155
 156         # NOTE: setup default valus for EMAIL
 157         mailtxt.reformat({'hostname' : config.MONITOR_HOSTNAME,
 158                                           'support_email' : config.support_email})
 159
 160         # NOTE: verify arguments
 161         if len(iplist) > 255:
 162                 raise Exception("iplist length is too long!")
 163
 164         BI_WEEKLY_ESC_PERIOD = int(60*60*24)
 165         #BI_WEEKLY_ESC_PERIOD = int(60) # testing...
 166
 167         # User Group
 168         site_user_group = UsrGrp.find_or_create(name=USERGROUP_NAME % loginbase)
 169         for user in set(techemail + piemail + [config.cc_email]):
 170                 if not user: continue
 171                 # USER
 172                 u = User.find_or_create(alias=user, type=1,
 173                                                                 set_if_new={'passwd' : md5.md5(user).hexdigest()},
 174                                                                 # exec_if_new avoids creating a Media object that
 175                                                                 # will not actually be used, if the user already exists
 176                                                                 exec_if_new=lambda obj: \
 177                                                                 obj.media_list.append( Media(mediatypeid=1, sendto=user)))
 178
 179                 if site_user_group not in u.usrgrp_list:
 180                         u.append_group(site_user_group)
 181
 182         # HOST GROUP
 183         plc_host_group = HostGroup.find_or_create(name="MyPLC Hosts")
 184         site_host_group = HostGroup.find_or_create(name=HOSTGROUP_NAME % loginbase)
 185         plctemplate = Host.get_by(host="Template_Linux_PLC_Host")
 186         escalation_action_name = ESCALATION_ACTION_NAME % loginbase
 187         discovery_action_name = DISCOVERY_ACTION_NAME % loginbase
 188         discovery_rule_name = DISCOVERY_RULE_NAME % loginbase
 189
 190         # ADD hg to ug
 191         if site_host_group not in site_user_group.hostgroup_list:
 192                 site_user_group.append_hostgroup(site_host_group)
 193
 194         # DISCOVERY RULE & CHECK
 195         dr = DiscoveryRule.find_or_create(name=discovery_rule_name,
 196                           delay=3600,
 197                           proxy_hostid=0,
 198                           set_if_new = {'iprange':iplist},
 199                           exec_if_new=lambda obj: \
 200                                 obj.discoverycheck_list.append( DiscoveryCheck(type=9,
 201                                                                                 key_="system.uname", ports=10050) )
 202                         )
 203         if dr.iprange != iplist:
 204                 dr.iprange = iplist
 205
 206
 207         # DISCOVERY ACTION for these servers
 208         a = Action.find_or_create(name=discovery_action_name,
 209                         eventsource=defines.EVENT_SOURCE_DISCOVERY,
 210                         status=defines.DRULE_STATUS_ACTIVE,
 211                         evaltype=defines.ACTION_EVAL_TYPE_AND_OR)
 212         if len(a.actioncondition_list) == 0:
 213                 a.actioncondition_list=[
 214                                         # Host IP Matches
 215                                         ActionCondition(
 216                                                 conditiontype=defines.CONDITION_TYPE_DHOST_IP,
 217                                                 operator=defines.CONDITION_OPERATOR_EQUAL,
 218                                                 value=iplist),
 219                                         # AND, Service type is Zabbix agent
 220                                         ActionCondition(
 221                                                 conditiontype=defines.CONDITION_TYPE_DSERVICE_TYPE,
 222                                                 operator=defines.CONDITION_OPERATOR_EQUAL,
 223                                                 value=defines.SVC_AGENT),
 224                                         # AND, Received system.uname value like 'Linux'
 225                                         ActionCondition(
 226                                                 conditiontype=defines.CONDITION_TYPE_DVALUE,
 227                                                 operator=defines.CONDITION_OPERATOR_LIKE,
 228                                                 value="Linux"),
 229                                         # AND, Discovery status is Discover
 230                                         ActionCondition(
 231                                                 conditiontype=defines.CONDITION_TYPE_DSTATUS,
 232                                                 operator=defines.CONDITION_OPERATOR_EQUAL,
 233                                                 value=defines.DOBJECT_STATUS_DISCOVER),
 234                                 ]
 235                                 # THEN
 236                 a.actionoperation_list=[
 237                                         # Add Host
 238                                         ActionOperation(
 239                                                 operationtype=defines.OPERATION_TYPE_HOST_ADD,
 240                                                 object=0, objectid=0,
 241                                                 esc_period=0, esc_step_from=1, esc_step_to=1),
 242                                         # Add To Group PLC Hosts
 243                                         ActionOperation(
 244                                                 operationtype=defines.OPERATION_TYPE_GROUP_ADD,
 245                                                 object=0, objectid=plc_host_group.groupid,
 246                                                 esc_period=0, esc_step_from=1, esc_step_to=1),
 247                                         # Add To Group LoginbaseSiteGroup
 248                                         ActionOperation(
 249                                                 operationtype=defines.OPERATION_TYPE_GROUP_ADD,
 250                                                 object=0, objectid=site_host_group.groupid,
 251                                                 esc_period=0, esc_step_from=1, esc_step_to=1),
 252                                         # Link to Template 'Template_Linux_Minimal'
 253                                         ActionOperation(
 254                                                 operationtype=defines.OPERATION_TYPE_TEMPLATE_ADD,
 255                                                 object=0, objectid=plctemplate.hostid,
 256                                                 esc_period=0, esc_step_from=1, esc_step_to=1),
 257                                 ]
 258         else:
 259                 # TODO: verify iplist is up-to-date
 260                 # NOTE: len(a.actioncondition_list) > 0
 261                 ip_condition  = a.actioncondition_list[0]
 262                 assert ip_condition.conditiontype == defines.CONDITION_TYPE_DHOST_IP
 263                 if ip_condition.value != iplist:
 264                         ip_condition.value = iplist
 265
 266         # ESCALATION ACTION for these servers
 267         ea = Action.find_or_create(name=escalation_action_name,
 268                         eventsource=defines.EVENT_SOURCE_TRIGGERS,
 269                         status=defines.ACTION_STATUS_ENABLED,
 270                         evaltype=defines.ACTION_EVAL_TYPE_AND_OR,
 271                         esc_period=BI_WEEKLY_ESC_PERIOD,        # three days
 272                         recovery_msg=1,
 273                         set_if_new={
 274                                 'r_shortdata':"Thank you for maintaining {HOSTNAME}!",
 275                                 'r_longdata': mailtxt.thankyou_nodeup, }
 276                         )
 277         if len(ea.actioncondition_list) == 0:
 278                         # THEN this is a new entry
 279                 print "SETTING UP ESCALATION ACTION"
 280                 ea.actioncondition_list=[
 281                                 ActionCondition(conditiontype=defines.CONDITION_TYPE_TRIGGER_VALUE,
 282                                                                 operator=defines.CONDITION_OPERATOR_EQUAL,
 283                                                                 value=defines.TRIGGER_VALUE_TRUE),
 284                                 ActionCondition(conditiontype=defines.CONDITION_TYPE_TRIGGER_NAME,
 285                                                                 operator=defines.CONDITION_OPERATOR_LIKE,
 286                                                                 value="is unreachable"),
 287                                 ActionCondition(conditiontype=defines.CONDITION_TYPE_HOST_GROUP,
 288                                                                 operator=defines.CONDITION_OPERATOR_EQUAL,
 289                                                                 value=site_host_group.groupid),
 290                         ]
 291                 ea.actionoperation_list=[
 292                                 # STAGE 1
 293                                 ActionOperation(operationtype=defines.OPERATION_TYPE_MESSAGE,
 294                                         shortdata=mailtxt.nodedown_one_subject,
 295                                         longdata=mailtxt.nodedown_one,
 296                                         object=defines.OPERATION_OBJECT_GROUP,
 297                                         objectid=site_user_group.usrgrpid,
 298                                         esc_period=0, esc_step_to=3, esc_step_from=3,
 299                                         operationcondition_list=[ OperationConditionNotAck() ] ),
 300                                 ActionOperation(operationtype=defines.OPERATION_TYPE_MESSAGE,
 301                                         shortdata=mailtxt.nodedown_one_subject,
 302                                         longdata=mailtxt.nodedown_one,
 303                                         object=defines.OPERATION_OBJECT_GROUP,
 304                                         objectid=site_user_group.usrgrpid,
 305                                         esc_period=0, esc_step_to=7, esc_step_from=7,
 306                                         operationcondition_list=[ OperationConditionNotAck() ] ),
 307                                 # STAGE 2
 308                                 ActionOperation(operationtype=defines.OPERATION_TYPE_COMMAND,
 309                                         esc_step_from=10, esc_step_to=10,
 310                                         esc_period=0,
 311                                         shortdata="",
 312                                         longdata="%s:%s/checkslices.py {HOSTNAME} disablesite" % ( config.MONITOR_HOSTNAME, config.MONITOR_SCRIPT_ROOT ),
 313                                         operationcondition_list=[ OperationConditionNotAck() ]),
 314                                 ActionOperation(operationtype=defines.OPERATION_TYPE_MESSAGE,
 315                                         shortdata=mailtxt.nodedown_two_subject,
 316                                         longdata=mailtxt.nodedown_two,
 317                                         esc_step_from=10, esc_step_to=10,
 318                                         esc_period=0,
 319                                         object=defines.OPERATION_OBJECT_GROUP,
 320                                         objectid=site_user_group.usrgrpid,
 321                                         operationcondition_list=[ OperationConditionNotAck() ] ),
 322                                 ActionOperation(operationtype=defines.OPERATION_TYPE_MESSAGE,
 323                                         shortdata=mailtxt.nodedown_two_subject,
 324                                         longdata=mailtxt.nodedown_two,
 325                                         esc_step_from=14, esc_step_to=14,
 326                                         esc_period=0,
 327                                         object=defines.OPERATION_OBJECT_GROUP,
 328                                         objectid=site_user_group.usrgrpid,
 329                                         operationcondition_list=[ OperationConditionNotAck() ] ),
 330
 331                                 # STAGE 3
 332                                 ActionOperation(operationtype=defines.OPERATION_TYPE_COMMAND,
 333                                         esc_step_from=17, esc_step_to=17,
 334                                         esc_period=0,
 335                                         shortdata="",
 336                                         longdata="%s:%s/checkslices.py {HOSTNAME} disableslices" % ( config.MONITOR_HOSTNAME, config.MONITOR_SCRIPT_ROOT ),
 337                                         # TODO: send notice to users of slices
 338                                         operationcondition_list=[ OperationConditionNotAck() ]),
 339                                 ActionOperation(operationtype=defines.OPERATION_TYPE_MESSAGE,
 340                                         shortdata=mailtxt.nodedown_three_subject,
 341                                         longdata=mailtxt.nodedown_three,
 342                                         esc_step_from=17, esc_step_to=17,
 343                                         esc_period=0,
 344                                         object=defines.OPERATION_OBJECT_GROUP,
 345                                         objectid=site_user_group.usrgrpid,
 346                                         operationcondition_list=[ OperationConditionNotAck() ] ),
 347                                 # STAGE 4++
 348                                 ActionOperation(operationtype=defines.OPERATION_TYPE_COMMAND,
 349                                         esc_step_from=21, esc_step_to=0,
 350                                         esc_period=int(BI_WEEKLY_ESC_PERIOD*3.5),
 351                                         shortdata="",
 352                                         longdata="%s:%s/checkslices.py {HOSTNAME} forever" % ( config.MONITOR_HOSTNAME, config.MONITOR_SCRIPT_ROOT),
 353                                         operationcondition_list=[ OperationConditionNotAck() ]),
 354                                 ActionOperation(operationtype=defines.OPERATION_TYPE_MESSAGE,
 355                                         shortdata=mailtxt.nodedown_four_subject,
 356                                         longdata=mailtxt.nodedown_four,
 357                                         esc_step_from=21, esc_step_to=0,
 358                                         esc_period=int(BI_WEEKLY_ESC_PERIOD*3.5),
 359                                         object=defines.OPERATION_OBJECT_GROUP,
 360                                         objectid=site_user_group.usrgrpid,
 361                                         operationcondition_list=[ OperationConditionNotAck() ] ),
 362                         ]
 363
 364 if __name__ == "__main__":
 365         setup_global()
 366         session.flush()