def dyndns_update(dyn_host="dyndns.yunohost.org", domain=None, key=None,
ipv4=None, ipv6=None):
"""
Update IP on DynDNS platform
Keyword argument:
domain -- Full domain to update
dyn_host -- Dynette DNS server to inform
key -- Public DNS key
ipv4 -- IP address to send
ipv6 -- IPv6 address to send
"""
# IPv4
if ipv4 is None:
ipv4 = get_public_ip()
try:
with open('/etc/yunohost/dyndns/old_ip', 'r') as f:
old_ip = f.readline().rstrip()
except IOError:
old_ip = '0.0.0.0'
# IPv6
if ipv6 is None:
try:
ip_route_out = subprocess.check_output(
['ip', 'route', 'get', '2000::']).split('\n')
if len(ip_route_out) > 0:
route = IPRouteLine(ip_route_out[0])
if not route.unreachable:
ipv6 = route.src_addr
except (OSError, ValueError) as e:
# Unlikely case "ip route" does not return status 0
# or produces unexpected output
raise MoulinetteError(errno.EBADMSG,
"ip route cmd error : {}".format(e))
if ipv6 is None:
logger.info(m18n.n('no_ipv6_connectivity'))
try:
with open('/etc/yunohost/dyndns/old_ipv6', 'r') as f:
old_ipv6 = f.readline().rstrip()
except IOError:
old_ipv6 = '0000:0000:0000:0000:0000:0000:0000:0000'
if old_ip != ipv4 or old_ipv6 != ipv6:
if domain is None:
# Retrieve the first registered domain
for path in glob.iglob('/etc/yunohost/dyndns/K*.private'):
match = re_dyndns_private_key.match(path)
if not match:
continue
_domain = match.group('domain')
try:
# Check if domain is registered
if requests.get('https://{0}/test/{1}'.format(
dyn_host, _domain)).status_code == 200:
continue
except requests.ConnectionError:
raise MoulinetteError(errno.ENETUNREACH,
m18n.n('no_internet_connection'))
domain = _domain
key = path
break
if not domain:
raise MoulinetteError(errno.EINVAL,
m18n.n('dyndns_no_domain_registered'))
if key is None:
keys = glob.glob(
'/etc/yunohost/dyndns/K{0}.+*.private'.format(domain))
if len(keys) > 0:
key = keys[0]
if not key:
raise MoulinetteError(errno.EIO,
m18n.n('dyndns_key_not_found'))
host = domain.split('.')[1:]
host = '.'.join(host)
lines = [
'server %s' % dyn_host,
'zone %s' % host,
'update delete %s. A' % domain,
'update delete %s. AAAA' % domain,
'update delete %s. MX' % domain,
'update delete %s. TXT' % domain,
'update delete pubsub.%s. A' % domain,
'update delete pubsub.%s. AAAA' % domain,
'update delete muc.%s. A' % domain,
'update delete muc.%s. AAAA' % domain,
'update delete vjud.%s. A' % domain,
'update delete vjud.%s. AAAA' % domain,
'update delete _xmpp-client._tcp.%s. SRV' % domain,
'update delete _xmpp-server._tcp.%s. SRV' % domain,
'update add %s. 1800 A %s' % (domain, ipv4),
'update add %s. 14400 MX 5 %s.' % (domain, domain),
'update add %s. 14400 TXT "v=spf1 a mx -all"' % domain,
'update add pubsub.%s. 1800 A %s' % (domain, ipv4),
'update add muc.%s. 1800 A %s' % (domain, ipv4),
'update add vjud.%s. 1800 A %s' % (domain, ipv4),
'update add _xmpp-client._tcp.%s. 14400 SRV 0 5 5222 %s.' % (domain, domain),
'update add _xmpp-server._tcp.%s. 14400 SRV 0 5 5269 %s.' % (domain, domain)
]
if ipv6 is not None:
lines += [
'update add %s. 1800 AAAA %s' % (domain, ipv6),
'update add pubsub.%s. 1800 AAAA %s' % (domain, ipv6),
'update add muc.%s. 1800 AAAA %s' % (domain, ipv6),
'update add vjud.%s. 1800 AAAA %s' % (domain, ipv6),
]
lines += [
'show',
'send'
]
with open('/etc/yunohost/dyndns/zone', 'w') as zone:
for line in lines:
zone.write(line + '\n')
if os.system('/usr/bin/nsupdate -k %s /etc/yunohost/dyndns/zone' % key) == 0:
logger.success(m18n.n('dyndns_ip_updated'))
with open('/etc/yunohost/dyndns/old_ip', 'w') as f:
f.write(ipv4)
if ipv6 is not None:
with open('/etc/yunohost/dyndns/old_ipv6', 'w') as f:
f.write(ipv6)
else:
os.system('rm -f /etc/yunohost/dyndns/old_ip')
os.system('rm -f /etc/yunohost/dyndns/old_ipv6')
raise MoulinetteError(errno.EPERM,
m18n.n('dyndns_ip_update_failed'))
def monitor_network(units=None, human_readable=False):
"""
Monitor network interfaces
Keyword argument:
units -- Unit(s) to monitor
human_readable -- Print sizes in human readable format
"""
glances = _get_glances_api()
result = {}
if units is None:
units = ['check', 'usage', 'infos']
# Get network devices and their addresses
devices = {}
output = subprocess.check_output('ip addr show'.split())
for d in re.split('^(?:[0-9]+: )', output, flags=re.MULTILINE):
# Extract device name (1) and its addresses (2)
m = re.match('([^\s@]+)(?:@[\S]+)?: (.*)', d, flags=re.DOTALL)
if m:
devices[m.group(1)] = m.group(2)
# Retrieve monitoring for unit(s)
for u in units:
if u == 'check':
result[u] = {}
with open('/etc/yunohost/current_host', 'r') as f:
domain = f.readline().rstrip()
cmd_check_smtp = os.system('/bin/nc -z -w1 yunohost.org 25')
if cmd_check_smtp == 0:
smtp_check = m18n.n('network_check_smtp_ok')
else:
smtp_check = m18n.n('network_check_smtp_ko')
try:
answers = dns.resolver.query(domain, 'MX')
mx_check = {}
i = 0
for server in answers:
mx_id = 'mx%s' % i
mx_check[mx_id] = server
i = i + 1
except:
mx_check = m18n.n('network_check_mx_ko')
result[u] = {'smtp_check': smtp_check, 'mx_check': mx_check}
elif u == 'usage':
result[u] = {}
for i in json.loads(glances.getNetwork()):
iname = i['interface_name']
if iname in devices.keys():
del i['interface_name']
if human_readable:
for k in i.keys():
if k != 'time_since_update':
i[k] = binary_to_human(i[k]) + 'B'
result[u][iname] = i
else:
logger.debug('interface name %s was not found', iname)
elif u == 'infos':
try:
p_ipv4 = get_public_ip()
except:
p_ipv4 = 'unknown'
l_ip = 'unknown'
for name, addrs in devices.items():
if name == 'lo':
continue
if not isinstance(l_ip, dict):
l_ip = {}
l_ip[name] = _extract_inet(addrs)
gateway = 'unknown'
output = subprocess.check_output('ip route show'.split())
m = re.search('default via (.*) dev ([a-z]+[0-9]?)', output)
if m:
addr = _extract_inet(m.group(1), True)
if len(addr) == 1:
proto, gateway = addr.popitem()
result[u] = {
'public_ip': p_ipv4,
'local_ip': l_ip,
'gateway': gateway,
}
else:
raise MoulinetteError(errno.EINVAL, m18n.n('unit_unknown', unit=u))
if len(units) == 1:
return result[units[0]]
return result
def monitor_network(units=None, human_readable=False):
"""
Monitor network interfaces
Keyword argument:
units -- Unit(s) to monitor
human_readable -- Print sizes in human readable format
"""
glances = _get_glances_api()
result = {}
if units is None:
units = ['check', 'usage', 'infos']
# Get network devices and their addresses
devices = {}
output = subprocess.check_output('ip addr show'.split())
for d in re.split('^(?:[0-9]+: )', output, flags=re.MULTILINE):
# Extract device name (1) and its addresses (2)
m = re.match('([^\s@]+)(?:@[\S]+)?: (.*)', d, flags=re.DOTALL)
if m:
devices[m.group(1)] = m.group(2)
# Retrieve monitoring for unit(s)
for u in units:
if u == 'check':
result[u] = {}
with open('/etc/yunohost/current_host', 'r') as f:
domain = f.readline().rstrip()
cmd_check_smtp = os.system('/bin/nc -z -w1 yunohost.org 25')
if cmd_check_smtp == 0:
smtp_check = m18n.n('network_check_smtp_ok')
else:
smtp_check = m18n.n('network_check_smtp_ko')
try:
answers = dns.resolver.query(domain,'MX')
mx_check = {}
i = 0
for server in answers:
mx_id = 'mx%s' %i
mx_check[mx_id] = server
i = i + 1
except:
mx_check = m18n.n('network_check_mx_ko')
result[u] = {
'smtp_check': smtp_check,
'mx_check': mx_check
}
elif u == 'usage':
result[u] = {}
for i in json.loads(glances.getNetwork()):
iname = i['interface_name']
if iname in devices.keys():
del i['interface_name']
if human_readable:
for k in i.keys():
if k != 'time_since_update':
i[k] = binary_to_human(i[k]) + 'B'
result[u][iname] = i
else:
logger.debug('interface name %s was not found', iname)
elif u == 'infos':
try:
p_ipv4 = get_public_ip()
except:
p_ipv4 = 'unknown'
l_ip = 'unknown'
for name, addrs in devices.items():
if name == 'lo':
continue
if not isinstance(l_ip, dict):
l_ip = {}
l_ip[name] = _extract_inet(addrs)
gateway = 'unknown'
output = subprocess.check_output('ip route show'.split())
m = re.search('default via (.*) dev ([a-z]+[0-9]?)', output)
if m:
addr = _extract_inet(m.group(1), True)
if len(addr) == 1:
proto, gateway = addr.popitem()
result[u] = {
'public_ip': p_ipv4,
'local_ip': l_ip,
'gateway': gateway,
}
else:
raise MoulinetteError(errno.EINVAL, m18n.n('unit_unknown', unit=u))
if len(units) == 1:
return result[units[0]]
return result
def tools_diagnosis(auth, private=False):
"""
Return global info about current yunohost instance to help debugging
"""
diagnosis = OrderedDict()
# Debian release
try:
with open('/etc/debian_version', 'r') as f:
debian_version = f.read().rstrip()
except IOError as e:
logger.warning(m18n.n('diagnosis_debian_version_error',
error=format(e)),
exc_info=1)
else:
diagnosis['host'] = "Debian %s" % debian_version
# Kernel version
try:
with open('/proc/sys/kernel/osrelease', 'r') as f:
kernel_version = f.read().rstrip()
except IOError as e:
logger.warning(m18n.n('diagnosis_kernel_version_error',
error=format(e)),
exc_info=1)
else:
diagnosis['kernel'] = kernel_version
# Packages version
diagnosis['packages'] = ynh_packages_version()
# Server basic monitoring
diagnosis['system'] = OrderedDict()
try:
disks = monitor_disk(units=['filesystem'], human_readable=True)
except MoulinetteError as e:
logger.warning(m18n.n('diagnosis_monitor_disk_error', error=format(e)),
exc_info=1)
else:
diagnosis['system']['disks'] = {}
for disk in disks:
diagnosis['system']['disks'][
disk] = 'Mounted on %s, %s (%s free)' % (
disks[disk]['mnt_point'], disks[disk]['size'],
disks[disk]['avail'])
try:
system = monitor_system(units=['cpu', 'memory'], human_readable=True)
except MoulinetteError as e:
logger.warning(m18n.n('diagnosis_monitor_system_error',
error=format(e)),
exc_info=1)
else:
diagnosis['system']['memory'] = {
'ram':
'%s (%s free)' % (system['memory']['ram']['total'],
system['memory']['ram']['free']),
'swap':
'%s (%s free)' % (system['memory']['swap']['total'],
system['memory']['swap']['free']),
}
# Services status
services = service_status()
diagnosis['services'] = {}
for service in services:
diagnosis['services'][service] = "%s (%s)" % (
services[service]['status'], services[service]['loaded'])
# YNH Applications
try:
applications = app_list()['apps']
except MoulinetteError as e:
diagnosis['applications'] = m18n.n('diagnosis_no_apps')
else:
diagnosis['applications'] = {}
for application in applications:
if application['installed']:
diagnosis['applications'][application['id']] = application[
'label'] if application['label'] else application['name']
# Private data
if private:
diagnosis['private'] = OrderedDict()
# Public IP
diagnosis['private']['public_ip'] = {}
try:
diagnosis['private']['public_ip']['IPv4'] = get_public_ip(4)
except MoulinetteError as e:
pass
try:
diagnosis['private']['public_ip']['IPv6'] = get_public_ip(6)
except MoulinetteError as e:
pass
# Domains
diagnosis['private']['domains'] = domain_list(auth)['domains']
return diagnosis
def tools_diagnosis(auth, private=False):
"""
Return global info about current yunohost instance to help debugging
"""
diagnosis = OrderedDict();
# Debian release
try:
with open('/etc/debian_version', 'r') as f:
debian_version = f.read().rstrip()
except IOError as e:
logger.warning(m18n.n('diagnosis_debian_version_error', error=format(e)), exc_info=1)
else:
diagnosis['host'] = "Debian %s" % debian_version
# Kernel version
try:
with open('/proc/sys/kernel/osrelease', 'r') as f:
kernel_version = f.read().rstrip()
except IOError as e:
logger.warning(m18n.n('diagnosis_kernel_version_error', error=format(e)), exc_info=1)
else:
diagnosis['kernel'] = kernel_version
# Packages version
diagnosis['packages'] = ynh_packages_version()
# Server basic monitoring
diagnosis['system'] = OrderedDict()
try:
disks = monitor_disk(units=['filesystem'], human_readable=True)
except MoulinetteError as e:
logger.warning(m18n.n('diagnosis_monitor_disk_error', error=format(e)), exc_info=1)
else:
diagnosis['system']['disks'] = {}
for disk in disks:
diagnosis['system']['disks'][disk] = 'Mounted on %s, %s (%s free)' % (
disks[disk]['mnt_point'],
disks[disk]['size'],
disks[disk]['avail']
)
try:
system = monitor_system(units=['cpu', 'memory'], human_readable=True)
except MoulinetteError as e:
logger.warning(m18n.n('diagnosis_monitor_system_error', error=format(e)), exc_info=1)
else:
diagnosis['system']['memory'] = {
'ram' : '%s (%s free)' % (system['memory']['ram']['total'], system['memory']['ram']['free']),
'swap' : '%s (%s free)' % (system['memory']['swap']['total'], system['memory']['swap']['free']),
}
# Services status
services = service_status()
diagnosis['services'] = {}
for service in services:
diagnosis['services'][service] = "%s (%s)" % (services[service]['status'], services[service]['loaded'])
# YNH Applications
try:
applications = app_list()['apps']
except MoulinetteError as e:
diagnosis['applications'] = m18n.n('diagnosis_no_apps')
else:
diagnosis['applications'] = {}
for application in applications:
if application['installed']:
diagnosis['applications'][application['id']] = application['label'] if application['label'] else application['name']
# Private data
if private:
diagnosis['private'] = OrderedDict()
# Public IP
diagnosis['private']['public_ip'] = {}
try:
diagnosis['private']['public_ip']['IPv4'] = get_public_ip(4)
except MoulinetteError as e:
pass
try:
diagnosis['private']['public_ip']['IPv6'] = get_public_ip(6)
except MoulinetteError as e:
pass
# Domains
diagnosis['private']['domains'] = domain_list(auth)['domains']
return diagnosis