-
Notifications
You must be signed in to change notification settings - Fork 3
/
Copy pathfunctions_zabbix.ps1
544 lines (468 loc) · 18.5 KB
/
functions_zabbix.ps1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
# Functions implementing Zabbix API ( https://www.zabbix.com/documentation/current/manual/api ) and some linked
function Zabbix-GetAuthToken ([String]$User,[String]$Password) {
# Authentication
# https://stackoverflow.com/questions/17325293/invoke-webrequest-post-with-parameters
# $User is case sensitive!
$post_params = @"
{
"jsonrpc": "2.0",
"method": `"user.login",
"params": {
"user": "$User",
"password": "$Password"
},
"id": 1,
"auth": null
}
"@
$answer = Invoke-WebRequest -Uri "$zabbix_server_url/api_jsonrpc.php" -Method POST -Body $post_params -ContentType "application/json-rpc" -UseBasicParsing
if ((ConvertFrom-Json $answer).result) {
$token = (ConvertFrom-Json $answer).result
return $token
} else {
Write-Host -ForegroundColor Yellow (ConvertFrom-Json $answer).error.message
Write-Host -ForegroundColor Yellow (ConvertFrom-Json $answer).error.data
break
}
}
function Zabbix-GetHostIdByName([String]$HostName,[String]$Token) {
# Retrieving host
# https://www.zabbix.com/documentation/current/manual/api/reference/host/get
$post_params = @"
{
"jsonrpc": "2.0",
"method": "host.get",
"params": {
"filter": {
"host": [
"$HostName"
]
}
},
"auth": "$Token",
"id": 1
}
"@
$answer = Invoke-WebRequest -Uri "$zabbix_server_url/api_jsonrpc.php" -Method POST -Body $post_params -ContentType "application/json-rpc" -UseBasicParsing
if ((ConvertFrom-Json $answer).result) {
$hostid = (ConvertFrom-Json $answer).result.hostid
return $hostid
} else {
Write-Host -ForegroundColor Yellow (ConvertFrom-Json $answer).error.message
Write-Host -ForegroundColor Yellow (ConvertFrom-Json $answer).error.data
return $false
}
}
function Zabbix-CheckItem([String]$ItemKey,[String]$HostId,[String]$Token) {
# Checking item
# https://www.zabbix.com/documentation/current/manual/api/reference/item/get
$post_params = @"
{
"jsonrpc": "2.0",
"method": "item.get",
"params": {
"output": "extend",
"hostids": "$HostId",
"search": {
"key_": "$ItemKey"
},
"sortfield": "name"
},
"auth": "$Token",
"id": 1
}
"@
$answer = Invoke-WebRequest -Uri "$zabbix_server_url/api_jsonrpc.php" -Method POST -Body $post_params -ContentType "application/json-rpc" -UseBasicParsing
if (-not ((ConvertFrom-Json $answer).result)) {
Write-Host "Item is absent"
return $false
} else {
Write-Host "Item is present"
return $true
}
}
function Zabbix-CreateItem([String]$ItemName,[String]$ItemKey,[int]$ItemType=2,[int]$ItemValueType,[String]$Token,[String]$HostId) {
# Non-ASCII names of DFS folders are not supported. Temporary solution is to translit them.
# https://www.zabbix.com/documentation/current/manual/api/reference/item/create
<# type:
0 - Zabbix agent;
2 - Zabbix trapper;
3 - simple check;
5 - Zabbix internal;
7 - Zabbix agent (active);
8 - Zabbix aggregate;
9 - web item;
10 - external check;
11 - database monitor;
12 - IPMI agent;
13 - SSH agent;
14 - TELNET agent;
15 - calculated;
16 - JMX agent;
17 - SNMP trap;
18 - Dependent item;
19 - HTTP agent;
20 - SNMP agent;
21 - Script.
value_type:
0 - numeric float;
1 - character;
2 - log;
3 - numeric unsigned;
4 - text.
#>
# Checking item
if (Zabbix-CheckItem -ItemKey $ItemKey -HostId $HostId -Token $Token) {
Write-Host "Item is already present"
return 1
}
# Creating an item
$post_params = @"
{
"jsonrpc": "2.0",
"method": "item.create",
"params": {
"name": "$ItemName",
"key_": "$ItemKey",
"hostid": "$HostId",
"type": 2,
"value_type": $ItemValueType
},
"auth": "$Token",
"id": 1
}
"@
$answer = Invoke-WebRequest -Uri "$zabbix_server_url/api_jsonrpc.php" -Method POST -Body $post_params -ContentType "application/json-rpc" -UseBasicParsing
if (-not ((ConvertFrom-Json $answer).result.itemids)) {
# Item is absent
Write-Host "Error while creating the item" -ForegroundColor Yellow
Write-Host (ConvertFrom-Json $answer).error.message -ForegroundColor Yellow
Write-Host (ConvertFrom-Json $answer).error.data -ForegroundColor Yellow
return -1
} else {
# Item is present
Write-Host "The item was successfully created"
return 0
}
# and recheck
Write-Host "Rechecking created item..."
Zabbix-CheckItem -ItemKey $ItemKey -HostId $HostId -Token $Token
}
function Zabbix-GetHostnameById ([String]$HostId,[String]$Token) {
# https://www.zabbix.com/documentation/current/manual/api/reference/host/get
$post_params = @"
{
"jsonrpc": "2.0",
"method": "host.get",
"params": {
"hostids": [
$HostId
]
},
"auth": "$Token",
"id": 1
}
"@
$answer = Invoke-WebRequest -Uri "$zabbix_server_url/api_jsonrpc.php" -Method POST -Body $post_params -ContentType "application/json-rpc" -UseBasicParsing
if (-not ((ConvertFrom-Json $answer).result.hostid)) {
# Error
Write-Host "Error while getting the host name by id" -ForegroundColor Yellow
Write-Host (ConvertFrom-Json $answer).error.message -ForegroundColor Yellow
Write-Host (ConvertFrom-Json $answer).error.data -ForegroundColor Yellow
return -1
} else {
# Ok
return (ConvertFrom-Json $answer).result.host
}
}
function Zabbix-GetProxyIdByHostId ([String]$HostId,[String]$Token) {
# https://www.zabbix.com/documentation/current/manual/api/reference/host/get
$post_params = @"
{
"jsonrpc": "2.0",
"method": "host.get",
"params": {
"hostids": [
$HostId
]
},
"auth": "$Token",
"id": 1
}
"@
$answer = Invoke-WebRequest -Uri "$zabbix_server_url/api_jsonrpc.php" -Method POST -Body $post_params -ContentType "application/json-rpc" -UseBasicParsing
if (-not ((ConvertFrom-Json $answer).result.hostid)) {
# Error
Write-Host "Error while getting the proxy id by host id" -ForegroundColor Yellow
Write-Host (ConvertFrom-Json $answer).error.message -ForegroundColor Yellow
Write-Host (ConvertFrom-Json $answer).error.data -ForegroundColor Yellow
return -1
} else {
# Ok
return (ConvertFrom-Json $answer).result.proxy_hostid
}
}
function Zabbix-AddOrSendKey ([String]$HostName,[String]$ItemName,[String]$ItemKey,[int]$ItemType=2,[int]$ItemValueType,$ItemValue,[String]$Token,[String]$Mode) {
# meta-function to add key or send it to zabbix proxy
Write-Host "Host: " -ForegroundColor Green -NoNewline; Write-Host $HostName
Write-Host "Item name: " -ForegroundColor Green -NoNewline; Write-Host $ItemName
Write-Host "Item key: " -ForegroundColor Green -NoNewline; Write-Host $ItemKey
Write-Host ("Value: " + $ItemValue)
$ItemValue = $ItemValue -replace "`n.*" -replace "`".*" # multiline error cannot be sent
switch ($Mode) {
"Setup" {
$hostid = Zabbix-GetHostIdByName -HostName $HostName -Token $Token
Zabbix-CreateItem -HostId $hostid -ItemName $ItemName -ItemKey $ItemKey -ItemValueType $ItemValueType -Token $Token
break
}
"Scheduler" {
# Keys should be added to zabbix already by setup mode.
$zabbix_proxy = Zabbix-GetProxyByHostname -Hostname $HostName
if ($zabbix_proxy -and $HostName -and $ItemKey -and $ItemValue) {
C:\zabbix\bin\zabbix_sender.exe -z $zabbix_proxy -s $HostName -k $ItemKey -o $ItemValue
} else {
Write-Host "Empty data. `$zabbix_proxy=$zabbix_proxy `$HostName=$HostName `$ItemKey=$ItemKey `$ItemValue=$ItemValue"
}
break
}
}
}
function Zabbix-GetIPsbyHostname ([String]$Hostname,[String]$Token) {
# Retrieving host IP by host name
# https://www.zabbix.com/documentation/current/manual/api/reference/hostinterface/get
# There may be several interfaces and several IPs
# 1. Getting hostid by hostname
$hostid = Zabbix-GetHostIdByName -HostName $Hostname -Token $Token
# 2. Getting host interface by hostid
$post_params = @"
{
"jsonrpc": "2.0",
"method": "hostinterface.get",
"params": {
"output": "extend",
"hostids": "$hostid"
},
"auth": "$Token",
"id": 1
}
"@
$answer = Invoke-WebRequest -Uri "$zabbix_server_url/api_jsonrpc.php" -Method POST -Body $post_params -ContentType "application/json-rpc" -UseBasicParsing
if ((ConvertFrom-Json $answer).result) {
$host_ip = (ConvertFrom-Json $answer).result.ip
# There may be several interfaces and several IPs
return $host_ip
} else {
Write-Host -ForegroundColor Yellow (ConvertFrom-Json $answer).error.message
Write-Host -ForegroundColor Yellow (ConvertFrom-Json $answer).error.data
return $false
}
}
function Zabbix-CheckTrigger([String]$Description,[String]$Hostname,[String]$Token) {
# Checking existense of a trigger
# https://www.zabbix.com/documentation/current/manual/api/reference/trigger/get
$post_params = @"
{
"jsonrpc": "2.0",
"method": "trigger.get",
"params": {
"output": "extend",
"host": "$Hostname",
"search": {
"description": "$Description"
}
},
"auth": "$Token",
"id": 1
}
"@
$answer = Invoke-WebRequest -Uri "$zabbix_server_url/api_jsonrpc.php" -Method POST -Body $post_params -ContentType "application/json-rpc" -UseBasicParsing
if (-not ((ConvertFrom-Json $answer).result)) {
Write-Host "Trigger is absent"
return $false
} else {
Write-Host "Trigger is present"
return $true
}
}
function Zabbix-CreateTrigger([String]$Description,[String]$Expression,[int]$Priority=0,[String]$Token) {
# Function to create zabbix triggers via API
# https://www.zabbix.com/documentation/current/manual/api/reference/trigger/create
# Yes, it is correct, hostname is omitted. Host is detected from expression - see API manual
# Todo: return trigger id - for dependencies
# Todo: make dependencies mechanism. It seems in my test it was way too overcomplex.
# ConvertTo-Json -AsArray can transform data to zabbix API format, but it exists only in PS 7.0
# Description here is in fact a trigger name. But this term is from Zabbix API docs.
# But for checking we need hostname. Ok.
$host_name = $Expression -replace "^{" -replace ":.*"
# Checking item
if (Zabbix-CheckTrigger -Hostname $host_name -Description $Description -Token $Token) {
Write-Host "Trigger is already present"
return 1
}
# Creating a trigger
$post_params = @"
{
"jsonrpc": "2.0",
"method": "trigger.create",
"params": [
{
"description": "$Description",
"expression": "$Expression",
"priority": "$Priority"
}
],
"auth": "$Token",
"id": 1
}
"@
$answer = Invoke-WebRequest -Uri "$zabbix_server_url/api_jsonrpc.php" -Method POST -Body $post_params -ContentType "application/json-rpc" -UseBasicParsing
if (-not ((ConvertFrom-Json $answer).result.triggerids)) {
# Trigger is absent
Write-Host "Error while creating the trigger" -ForegroundColor Yellow
Write-Host (ConvertFrom-Json $answer).error.message -ForegroundColor Yellow
Write-Host (ConvertFrom-Json $answer).error.data -ForegroundColor Yellow
return -1
} else {
# Trigger is present
Write-Host "The trigger was successfully created"
# Rechecking
Write-Host "Rechecking created trigger..."
Zabbix-CheckTrigger -Hostname $host_name -Description $Description -Token $Token
return 0
}
}
function Zabbix-CheckMacro([String]$HostId,[String]$MacroName,[String]$Token) {
# Checking existense of a host macro
# https://www.zabbix.com/documentation/current/manual/api/reference/usermacro/get
$post_params = @"
{
"jsonrpc": "2.0",
"method": "usermacro.get",
"params": {
"output": "extend",
"hostids": "$HostId"
},
"auth": "$Token",
"id": 1
}
"@
$answer = Invoke-WebRequest -Uri "$zabbix_server_url/api_jsonrpc.php" -Method POST -Body $post_params -ContentType "application/json-rpc" -UseBasicParsing
if (-not ((ConvertFrom-Json $answer).result)) {
Write-Host "Macro is absent"
return $false
} else {
Write-Host "Some macro is present. Checking name..."
if ((ConvertFrom-Json $answer).result.macro -eq $MacroName) {
Write-Host "Macro is present"
return $true
} else {
Write-Host "Macro is absent"
return $false
}
}
}
function Zabbix-CreateMacro([String]$HostId,[String]$MacroName,[String]$MacroValue,[String]$MacroDescription,[String]$Token) {
# Function to create zabbix host macro via API
# https://www.zabbix.com/documentation/current/manual/api/reference/usermacro/create
# Checking macro
if (Zabbix-CheckMacro -HostId $HostId -MacroName "$MacroName" -Token $token) {
Write-Host "Macro is already present"
return 1
}
# Creating an item
$post_params = @"
{
"jsonrpc": "2.0",
"method": "usermacro.create",
"params": {
"hostid": "$HostId",
"macro": "$MacroName",
"value": "$MacroValue",
"description": "$MacroDescription"
},
"auth": "$Token",
"id": 1
}
"@
$answer = Invoke-WebRequest -Uri "$zabbix_server_url/api_jsonrpc.php" -Method POST -Body $post_params -ContentType "application/json-rpc" -UseBasicParsing
if (-not ((ConvertFrom-Json $answer).result.hostmacroids)) {
# Macro is absent
Write-Host "Error while creating the macro" -ForegroundColor Yellow
Write-Host (ConvertFrom-Json $answer).error.message -ForegroundColor Yellow
Write-Host (ConvertFrom-Json $answer).error.data -ForegroundColor Yellow
return -1
} else {
# Macro is present
Write-Host "The macro was successfully created"
return 0
}
}
function Check-ElevatedPermissions () {
# For scripts those must be run in elevated session
# http://woshub.com/check-powershell-script-running-elevated/
Write-Host "Checking for elevated permissions..."
if (-not ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) {
Write-Warning "Insufficient permissions to run this script. Open the PowerShell console as an administrator and run this script again."
Break
} else {
Write-Host "Code is running as administrator — go on executing the script..." -ForegroundColor Green
}
}
function Get-WorkdayStatus ([Parameter(Position=0)][string]$Date) {
# Функция определения, рабочий ли день на определенную дату. Нужен интернет.
# https://isdayoff.ru/2022-04-23 - см. простенькое API https://www.isdayoff.ru/desc/
# Ответ | Значение | Код возврата HTTP
# 0 Рабочий день 200
# 1 Нерабочий день 200
# 100 Ошибка в дате 400
# 101 Данные не найдены 404
# сначала на всякий случай приведем дату к нормальному виду
$date = Get-Date $date -Format "yyyy-MM-dd"
$status = (Invoke-WebRequest "https://isdayoff.ru/$date").Content
if ($status) {
$status
} else {
# тут обработка ошибок, на случай, если закрыли сервис или же интернет
"-1" # так себе обработка, ага :-)
}
}
function Translit-Text ([String]$String) {
# This functions converts Russian symbols to ASCII
# Many systems, including Zabbix, does not recognize non-ASCII characters
# https://ru.wikipedia.org/wiki/Транслитерация_русского_алфавита_латиницей :
# "Существует большое количество несовместимых между собой стандартов транслитерации, но фактически ни один из них не получил большой популярности и в действительности транслитерация чаще всего проводится без каких-либо единых стандартов"
$String = $String -replace "А","A" -replace "а","a"
$String = $String -replace "Б","B" -replace "б","b"
$String = $String -replace "В","V" -replace "в","v"
$String = $String -replace "Г","G" -replace "г","g"
$String = $String -replace "Д","D" -replace "д","d"
$String = $String -replace "Е","E" -replace "е","e"
$String = $String -replace "Ё","E" -replace "ё","e"
$String = $String -replace "Ж","ZH" -replace "ж","zh"
$String = $String -replace "З","Z" -replace "з","z"
$String = $String -replace "И","I" -replace "и","i"
$String = $String -replace "Й","I" -replace "й","i"
$String = $String -replace "К","K" -replace "к","k"
$String = $String -replace "Л","L" -replace "л","l"
$String = $String -replace "М","M" -replace "м","m"
$String = $String -replace "Н","N" -replace "н","n"
$String = $String -replace "О","O" -replace "о","o"
$String = $String -replace "П","P" -replace "п","p"
$String = $String -replace "Р","R" -replace "р","r"
$String = $String -replace "С","S" -replace "с","s"
$String = $String -replace "Т","T" -replace "т","t"
$String = $String -replace "У","U" -replace "у","u"
$String = $String -replace "Ф","F" -replace "ф","f"
$String = $String -replace "Х","KH" -replace "х","kh"
$String = $String -replace "Ц","TS" -replace "ц","ts"
$String = $String -replace "Ч","CH" -replace "ч","ch"
$String = $String -replace "Ш","SH" -replace "ш",""
$String = $String -replace "Щ","SHCH" -replace "щ","shch"
$String = $String -replace "Ъ","" -replace "ъ",""
$String = $String -replace "Ы","Y" -replace "ы","y"
$String = $String -replace "Ь","" -replace "ь",""
$String = $String -replace "Э","E" -replace "э","e"
$String = $String -replace "Ю","YU" -replace "ю","yu"
$String = $String -replace "Я","YA" -replace "я","ya"
return $String
}