Mailcow-CheckMK/local/share/check_mk/agents/special/agent_mailcow

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#!/usr/bin/env python3
import getopt
import sys
import requests
import urllib3
import json
import os
from pprint import pprint
from requests.structures import CaseInsensitiveDict
from requests.auth import HTTPBasicAuth
def showUsage():
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sys.stderr.write("""CheckMK Mailcow Special Agent
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USAGE: agent_nextcloud -H [hostname] -k [apikey]
agent_nextcloud -h
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OPTIONS:
-H, --hostname Hostname (FQDN or IP) of Nextcloud server
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-k, --apikey API Key
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-P, --port Port
--no-https True|False If "True": Disable HTTPS, use HTTP (not recommended!)
--no-cert-check True|False If "True": Disable TLS certificate check (not recommended!)
-h, --help Show this help message and exit
""")
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# set this to True to produce debug output (this clutters the agent output)
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# be aware: activating this logs very sensitive information to debug files in ~/tmp
# !!DO NOT FORGET to delete these files after debugging is done!!
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DEBUG = False
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mc_api_base = "api/v1/get"
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opt_hostname = ""
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opt_apikey = ""
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opt_port = ""
opt_no_https = False
opt_no_cert_check = False
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short_options = 'hH:k:P:'
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long_options = [
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'hostname=', 'apikey=', 'port=', 'no-https=', 'no-cert-check=', 'help'
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]
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domain_data = {}
mailbox_data = {}
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def getOptions():
global opt_hostname
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global opt_apikey
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global opt_port
global opt_no_https
global opt_no_cert_check
opts, args = getopt.getopt(sys.argv[1:], short_options, long_options)
for opt, arg in opts:
if opt in ['-H', '--hostname']:
opt_hostname = arg
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elif opt in ['-k', '--apikey']:
opt_apikey = arg
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elif opt in ['-P', '--port']:
opt_port = arg
elif opt in ['--no-https']:
if arg == 'True':
opt_no_https = True
else:
opt_no_https = False
elif opt in ['--no-cert-check']:
if arg == 'True':
opt_no_cert_check = True
else:
opt_no_cert_check = False
elif opt in ['-h', '--help']:
showUsage()
sys.exit(0)
if DEBUG:
home_path = os.getenv("HOME")
tmp_path = f"{home_path}/tmp"
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help_file = f"{tmp_path}/mailcow_{opt_hostname}_debug.txt"
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with open(help_file, "a") as file:
file.write(f"Number of Arguments: {len(sys.argv)}, Argument List: {str(sys.argv)}\n")
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def showOptions():
print(f"Hostname: {opt_hostname}")
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print(f"Username: {opt_apikey}")
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print(f"Port: {opt_port}")
print(f"No HTTPS: {opt_no_https}")
print(f"No TLS Check: {opt_no_cert_check}")
home_path = os.getenv("HOME")
tmp_path = f"{home_path}/tmp"
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help_file = f"{tmp_path}/mailcow_{opt_hostname}_debug.txt"
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with open(help_file, "a") as file:
file.write(f"Hostname: {opt_hostname}, Port: {opt_port}, No HTTPS: {opt_no_https}, No Cert Check: {opt_no_cert_check}\n")
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def getDomainInfo(headers, verify, base_url):
url = f"{base_url}/domain/all"
response = requests.get(url, headers=headers, verify=verify)
if (response.status_code == 200):
jsdata = response.text
data = json.loads(jsdata) # returns a list of dictionaries
i = 0
while i < len(data):
#pprint(data[i])
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# get domain name and status (active (1) or not (0))
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domain_name = data[i].get("domain_name")
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active = data[i].get("active")
# get creation and last modification date
created = data[i].get("created")
modified = data[i].get("modified") # returns "None" or date
# get maximum and current number of mailboxes in this domain
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max_num_mboxes_for_domain = data[i].get("max_num_mboxes_for_domain")
mboxes_in_domain = data[i].get("mboxes_in_domain")
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# get maximum and current number of aliases in this domain
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max_num_aliases_for_domain = data[i].get("max_num_aliases_for_domain")
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aliases_in_domain = data[i].get("aliases_in_domain")
# get total messages in this domain
msgs_total = data[i].get("msgs_total")
# get total bytes used in this domain
bytes_total = data[i].get("bytes_total")
# get maximum quota for this domain
max_quota_for_domain = data[i].get("max_quota_for_domain")
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# store all domain data in global dictionary
dom = {
"active": active,
"created": created,
"modified": modified,
"max_num_mboxes_for_domain": max_num_mboxes_for_domain,
"mboxes_in_domain": mboxes_in_domain,
"max_num_aliases_for_domain": max_num_aliases_for_domain,
"aliases_in_domain": aliases_in_domain,
"msgs_total": msgs_total,
"bytes_total": bytes_total,
"max_quota_for_domain": max_quota_for_domain
}
domain_data[domain_name] = {}
domain_data[domain_name] = dom
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i += 1
# return number of email domains
return i
else:
sys.stderr.write(f"Request response code is {response.status_code} with URL {url}\n")
sys.exit(1)
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def getMailboxInfo(headers, verify, base_url):
url = f"{base_url}/mailbox/all"
response = requests.get(url, headers=headers, verify=verify)
if (response.status_code == 200):
jsdata = response.text
data = json.loads(jsdata) # returns a list of dictionaries
i = 0
global_num_messages = 0
while i < len(data):
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# get status of mailbox (0-->inactive or 1-->active)
active = data[i].get("active")
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# get username of mailbox
username = data[i].get("username")
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# get friendly name of user
name = data[i].get("name")
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# get number of messages in mailbox
num_messages = data[i].get("messages")
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# get quota used in percent (rounded to full percent)
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percent_in_use = data[i].get("percent_in_use")
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# get quota and quota used in bytes
quota = data[i].get("quota")
quota_used = data[i].get("quota_used")
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# get creation and last modification date
created = data[i].get("created")
modified = data[i].get("modified")
# get number of messages
messages = data[i].get("messages")
# get last login dates
last_imap_login = data[i].get("last_imap_login")
last_pop3_login = data[i].get("last_pop3_login")
last_smtp_login = data[i].get("last_smtp_login")
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mb = {
"active": active,
"created": created,
"modified": modified,
"name": name,
"num_messages": num_messages,
"percent_in_use": percent_in_use,
"quota": quota,
"quota_used": quota_used,
"messages": messages,
"last_imap_login": last_imap_login,
"last_pop3_login": last_pop3_login,
"last_smtp_login": last_smtp_login
}
mailbox_data[username] = {}
mailbox_data[username] = mb
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i += 1
global_num_messages += num_messages
# return number of mailboxes and global number of messages
return i, global_num_messages
else:
sys.stderr.write(f"Request response code is {response.status_code} with URL {url}\n")
sys.exit(1)
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def getMailcowInfo(headers, verify, base_url):
url = f"{base_url}/status/version"
response = requests.get(url, headers=headers, verify=verify)
if (response.status_code == 200):
jsdata = response.text
data = json.loads(jsdata) # returns a dictionary
#pprint(data)
# get Mailcow version
mc_version = data["version"]
return mc_version
else:
sys.stderr.write(f"Request response code is {response.status_code} with URL {url}\n")
sys.exit(1)
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def getSolrInfo(headers, verify, base_url):
url = f"{base_url}/status/solr"
response = requests.get(url, headers=headers, verify=verify)
if (response.status_code == 200):
jsdata = response.text
data = json.loads(jsdata) # returns a dictionary
#pprint(data)
# get Solr infos
solr_enabled = data["solr_enabled"]
solr_size = data["solr_size"]
solr_documents = data["solr_documents"]
return solr_enabled, solr_size, solr_documents
else:
sys.stderr.write(f"Request response code is {response.status_code} with URL {url}\n")
sys.exit(1)
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'''
Output is as follows:
0 mailbox name email address used for login
1 active 1 --> active, 0 --> not active
2 creation date "None" if ???
3 last modified date "None" if never modified
4 name display name
5 number of messages
6 percent in use quota used, rounded to full percents
7 quota max quota in bytes
8 quota used quota used in bytes
9 last imap login seconds since epoch, 0 if never logged in
10 last pop3 login seconds since epoch, 0 if never logged in
11 last smtp login seconds since epoch, 0 if never logged in
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Example:
user1@dom1.de;1;2022-04-29 14:29:34;2022-04-29 14:29:34;Sarah;2433;2;21474836480;495481374;1692520168;0;1692281537
user2@dom1.de;1;2022-04-29 14:38:33;2022-04-29 14:38:33;Tom;271;0;21474836480;25895752;1657394782;1692519758;1681065713
user1@dom2.de;1;2022-04-30 09:55:37;2022-04-30 09:55:37;Melissa;53460;33;19964887040;6677677548;1692520066;0;1692510822
'''
def doCmkOutputMailboxes():
print("<<<mailcow_mailboxes:sep(59)>>>")
for mb in mailbox_data:
active = mailbox_data[mb]["active"]
created = mailbox_data[mb]["created"]
modified = mailbox_data[mb]["modified"]
name = mailbox_data[mb]["name"]
# strip semicolons, if present, since we use it as delimiter
name = name.replace(";", "")
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num_messages = mailbox_data[mb]["num_messages"]
percent_in_use = mailbox_data[mb]["percent_in_use"]
quota = mailbox_data[mb]["quota"]
quota_used = mailbox_data[mb]["quota_used"]
last_imap_login = mailbox_data[mb]["last_imap_login"]
last_pop3_login = mailbox_data[mb]["last_pop3_login"]
last_smtp_login = mailbox_data[mb]["last_smtp_login"]
print(f"{mb};{active};{created};{modified};{name};{num_messages};{percent_in_use};{quota};{quota_used};{last_imap_login};{last_pop3_login};{last_smtp_login}")
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def doCmkOutputMailcow(version, num_domains, num_mailboxes, num_global_messages, solr_enabled, solr_size, solr_documents):
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print("<<<mailcow_info:sep(59)>>>")
# strip semicolons, if present, since we use it as delimiter
version = version.replace(";", "")
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print(f"{version};{num_domains};{num_mailboxes};{num_global_messages};{solr_enabled};{solr_size};{solr_documents}")
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'''
Output is as follows:
0 domain_name
1 active 1 --> active, 0 --> not active
2 creation date "None" if ???
3 last modified date "None" if never modified
4 max number mailboxes
5 number of mailboxes
6 max number of aliases
7 number of aliases
8 total number of messages
9 total number of bytes used in bytes
10 max quota in bytes
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Example:
dom1.de;1;2022-04-23 22:54:57;None;10;0;400;6;0;0;10737418240
dom2.de;1;2022-04-29 13:38:42;2023-08-19 17:21:04;10;0;400;2;0;0;10737418240
dom3.de;1;2022-04-29 13:36:08;2022-04-29 21:26:19;10;1;100;3;28132;12852485367;21474836480
'''
def doCmkOutputDomains():
print("<<<mailcow_domains:sep(59)>>>")
for dom in domain_data:
active = domain_data[dom]["active"]
created = domain_data[dom]["created"]
modified = domain_data[dom]["modified"]
max_num_mboxes_for_domain = domain_data[dom]["max_num_mboxes_for_domain"]
mboxes_in_domain = domain_data[dom]["mboxes_in_domain"]
max_num_aliases_for_domain = domain_data[dom]["max_num_aliases_for_domain"]
aliases_in_domain = domain_data[dom]["aliases_in_domain"]
msgs_total = domain_data[dom]["msgs_total"]
bytes_total = domain_data[dom]["bytes_total"]
max_quota_for_domain = domain_data[dom]["max_quota_for_domain"]
print(f"{dom};{active};{created};{modified};{max_num_mboxes_for_domain};{mboxes_in_domain};{max_num_aliases_for_domain};{aliases_in_domain};{msgs_total};{bytes_total};{max_quota_for_domain}")
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def main():
getOptions()
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# do some parameter checks
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if (opt_hostname == ""):
sys.stderr.write(f"No hostname given.\n")
showUsage()
sys.exit(1)
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else:
hostname = opt_hostname
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if (opt_apikey == ""):
sys.stderr.write(f"No API key given.\n")
showUsage()
sys.exit(1)
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if (opt_no_cert_check):
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# disable certificate warnings
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urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
verify = False
else:
verify = True
if (opt_port == ""):
if (opt_no_https):
protocol = "http"
port = "80"
else:
protocol = "https"
port = "443"
else:
if (opt_no_https):
protocol = "http"
else:
protocol = "https"
port = opt_port
if (protocol == "http" and port == "443"):
sys.stderr.write(f"Combining HTTP with port 443 is not supported.\n")
sys.exit(1)
if (protocol == "https" and port == "80"):
sys.stderr.write(f"Combining HTTPS with port 80 is not supported.\n")
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sys.exit(1)
headers = CaseInsensitiveDict()
headers["Accept"] = "application/json"
headers["X-API-Key"] = opt_apikey
# now "hostname" contains the FQDN of the host running Mailcow
# now "protocol" is http or https
# now "port" contains the port number to use
# now "verify" signals whether certificate checking will be done (True) or not (False)
# now "headers" contains the accepted format (JSON) and the API key to use
if DEBUG:
showOptions()
print(f"hostname: {hostname}, protocol: {protocol}, port: {port}, verify: {verify}")
base_url = f"{protocol}://{hostname}:{port}/{mc_api_base}"
# get domain data
num_domains = getDomainInfo(headers, verify, base_url)
# get mailbox data
num_mailboxes, num_global_messages = getMailboxInfo(headers, verify, base_url)
# get global Mailcow info
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solr_enabled, solr_size, solr_documents = getSolrInfo(headers, verify, base_url)
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mailcow_version = getMailcowInfo(headers, verify, base_url)
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# create agent output
doCmkOutputDomains()
doCmkOutputMailboxes()
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doCmkOutputMailcow(mailcow_version, num_domains, num_mailboxes, num_global_messages, solr_enabled, solr_size, solr_documents)
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if __name__ == "__main__":
main()