bundlewrap/bundles/sshmon/metadata.py
Franziska Kunsmann 569275329c
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bundles/sshmon: remove INTERNET check
We're using the internet to check these hosts, so if those hosts
wouldn't have an internet connection, the whole host would be
down, atleast as far as icinga can tell.
2021-01-30 11:47:55 +01:00

105 lines
3.7 KiB
Python

from bundlewrap.utils import Fault
from re import sub
defaults = {
'apt': {
'packages': {
'python3-requests': {},
},
},
'icinga2_api': {
'basic': {
'services': {
'CPU': {
'command_on_monitored_host': '/usr/local/share/icinga/plugins/check_cpu_stats',
},
'LOAD': {
'command_on_monitored_host': '/usr/lib/nagios/plugins/check_load -r -w 4,2,1 -c 8,4,2',
}
},
},
},
'openssh': {
'allowed_users': {
'sshmon',
},
},
}
@metadata_reactor.provides(
'icinga2_api',
)
def autogenerate_sshmon_command(metadata):
result = {
'icinga2_api': {},
}
for bundle, bundle_config in metadata.get('icinga2_api', {}).items():
for service, service_config in bundle_config.get('services', {}).items():
# The default for check_command is also set in items.py and
# in icinga2 bundle
if (
service_config.get('check_command', 'sshmon') == 'sshmon' and
'command_on_monitored_host' in service_config
):
service_normalized = sub('[^a-zA-Z0-9]', '_', service)
result['icinga2_api'].setdefault(bundle, {}).setdefault('services', {}).setdefault(service, {})
result['icinga2_api'][bundle]['services'][service]['vars.sshmon_command'] = service_normalized
return result
@metadata_reactor.provides(
'icinga2_api/basic/services',
)
def default_checks(metadata):
disk_space_warning = metadata.get('sshmon/disk_space/warning', 15)
disk_space_critical = metadata.get('sshmon/disk_space/critical', 5)
disk_space_warning_inodes = metadata.get('sshmon/disk_space/warning_inodes', 15)
disk_space_critical_inodes = metadata.get('sshmon/disk_space/critical_inodes', 5)
disk_space_ignore_patterns = metadata.get('sshmon/disk_space/ignore_patterns', set())
ram_warning = metadata.get('sshmon/ram_usage/warning', 9)
ram_critical = metadata.get('sshmon/ram_usage/critical', 8)
mounts_options = metadata.get('sshmon/check_mounts_options', '')
disk_space_extra_args = set()
for pattern in disk_space_ignore_patterns:
disk_space_extra_args.add(f'-I {pattern}')
for pool in metadata.get('zfs/pools', {}).keys():
disk_space_extra_args.add(f'--ignore-ereg-partition={pool}')
disk_space_ignore_patterns_string = ' '.join(sorted(disk_space_extra_args))
return {
'icinga2_api': {
'basic': {
'services': {
'DISK SPACE': {
'command_on_monitored_host': str(
'/usr/lib/nagios/plugins/check_disk -X nfs -X nfs4 -X squashfs '
f'-w {disk_space_warning} -c {disk_space_critical} '
f'-W {disk_space_warning_inodes} -K {disk_space_critical_inodes} '
'-A -I "^/dev$" -I "^/run" -I "^/sys" -i "/sys/kernel/debug/tracing" '
f'{disk_space_ignore_patterns_string}',
),
'vars.notification.mail': True,
},
'MOUNTS': {
'command_on_monitored_host': f'sudo /usr/local/share/icinga/plugins/check_mounts {mounts_options}',
},
'RAM': {
'command_on_monitored_host': f'/usr/local/share/icinga/plugins/check_ram {ram_warning} {ram_critical}',
'max_check_attempts': '12',
'retry_interval': '30m',
},
},
},
},
}