168 lines
4.5 KiB
Python
168 lines
4.5 KiB
Python
defaults = {
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'apt': {
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'repos': {
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'nginx': {
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'items': [
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'deb http://nginx.org/packages/{os} {os_release} nginx',
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],
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},
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},
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'packages': {
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'nginx': {},
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},
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},
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'backups': {
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'paths': {
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'/var/www',
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},
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},
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'icinga2_api': {
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'nginx': {
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'services': {
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'NGINX PROCESS': {
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'command_on_monitored_host': '/usr/local/share/icinga/plugins/check_systemd_unit nginx',
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},
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'NGINX STATUS': {
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'command_on_monitored_host': '/usr/local/share/icinga/plugins/check_nginx_status',
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},
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},
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},
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},
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'nginx': {
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'worker_connections': 768,
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'use_ssl_for_all_connections': True,
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},
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}
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@metadata_reactor.provides(
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'nginx/worker_processes',
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)
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def worker_processes(metadata):
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return {
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'nginx': {
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'worker_processes': metadata.get('vm/cpu', 2),
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},
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}
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@metadata_reactor.provides(
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'letsencrypt/domains',
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'letsencrypt/reload_after',
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)
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def letsencrypt(metadata):
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if not node.has_bundle('letsencrypt'):
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raise DoNotRunAgain
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domains = {}
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for vhost, config in metadata.get('nginx/vhosts', {}).items():
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domain = config.get('domain', vhost)
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domains[domain] = config.get('domain_aliases', set())
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return {
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'letsencrypt': {
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'domains': domains,
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'reload_after': {
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'nginx',
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},
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},
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}
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@metadata_reactor.provides(
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'nginx/vhosts',
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)
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def index_files(metadata):
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vhosts = {}
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for vhost, config in metadata.get('nginx/vhosts', {}).items():
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vhosts[vhost] = {
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'index': [
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'index.html',
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'index.htm',
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],
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}
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if config.get('php', False):
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# If we're using PHP, make sure index.php is tried first
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vhosts[vhost]['index'].insert(0, 'index.php')
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return {
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'nginx': {
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'vhosts': vhosts,
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},
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}
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@metadata_reactor.provides(
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'icinga2_api/nginx/services',
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)
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def monitoring(metadata):
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services = {}
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for vname, vconfig in metadata.get('nginx/vhosts', {}).items():
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domain = vconfig.get('domain', vname)
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if metadata.get('nginx/use_ssl_for_all_connections'):
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scheme = 'https'
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else:
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scheme = 'http'
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if 'website_check_path' in vconfig and 'website_check_string' in vconfig:
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services['NGINX VHOST {} CONTENT'.format(vname)] = {
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'check_command': 'check_http_wget',
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'vars.http_wget_contains': vconfig['website_check_string'],
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'vars.http_wget_url': '{}://{}{}'.format(scheme, domain, vconfig['website_check_path']),
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'vars.notification.sms': True,
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}
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if vconfig.get('check_ssl', metadata.get('nginx/use_ssl_for_all_connections')):
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services['NGINX VHOST {} CERTIFICATE'.format(vname)] = {
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'check_command': 'check_https_cert_at_url',
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'vars.domain': domain,
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'vars.notification.mail': True,
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}
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max_connections = metadata.get('nginx/worker_connections') * metadata.get('nginx/worker_processes')
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connections_warn = int(max_connections * 0.8)
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connections_crit = int(max_connections * 0.9)
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services['NGINX STATUS'] = {
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'command_on_monitored_host': '/usr/local/share/icinga/plugins/check_nginx_status --warn={},-1,-1 --critical={},-1,-1 -H 127.0.0.1:22999'.format(connections_warn, connections_crit),
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}
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return {
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'icinga2_api': {
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'nginx': {
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'services': services,
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},
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},
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}
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@metadata_reactor.provides(
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'iptables/bundle_rules/nginx',
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)
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def iptables(metadata):
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interfaces = metadata.get('nginx/restrict-to-interfaces', set())
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rules = []
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if interfaces:
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for iface in sorted(interfaces):
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rules.append(f'iptables_both -A INPUT -i {iface} -p tcp --dport 80 -j ACCEPT')
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rules.append(f'iptables_both -A INPUT -i {iface} -p tcp --dport 443 -j ACCEPT')
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else:
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rules.append('iptables_both -A INPUT -p tcp --dport 80 -j ACCEPT')
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rules.append('iptables_both -A INPUT -p tcp --dport 443 -j ACCEPT')
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return {
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'iptables': {
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'bundle_rules': {
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'nginx': rules,
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},
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},
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}
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