diff options
Diffstat (limited to 'azurelinuxagent/common/osutil/default.py')
-rw-r--r-- | azurelinuxagent/common/osutil/default.py | 77 |
1 files changed, 53 insertions, 24 deletions
diff --git a/azurelinuxagent/common/osutil/default.py b/azurelinuxagent/common/osutil/default.py index dc73379..4cd379b 100644 --- a/azurelinuxagent/common/osutil/default.py +++ b/azurelinuxagent/common/osutil/default.py @@ -51,7 +51,8 @@ class DefaultOSUtil(object): def __init__(self): self.agent_conf_file_path = '/etc/waagent.conf' - self.selinux=None + self.selinux = None + self.disable_route_warning = False def get_agent_conf_file_path(self): return self.agent_conf_file_path @@ -438,7 +439,8 @@ class DefaultOSUtil(object): iface=sock[i:i+16].split(b'\0', 1)[0] if len(iface) == 0 or self.is_loopback(iface) or iface != primary: # test the next one - logger.info('interface [{0}] skipped'.format(iface)) + if len(iface) != 0 and not self.disable_route_warning: + logger.info('interface [{0}] skipped'.format(iface)) continue else: # use this one @@ -470,7 +472,8 @@ class DefaultOSUtil(object): primary = None primary_metric = None - logger.info("examine /proc/net/route for primary interface") + if not self.disable_route_warning: + logger.info("examine /proc/net/route for primary interface") with open('/proc/net/route') as routing_table: idx = 0 for header in filter(lambda h: len(h) > 0, routing_table.readline().strip(" \n").split("\t")): @@ -494,11 +497,18 @@ class DefaultOSUtil(object): if primary is None: primary = '' - - logger.info('primary interface is [{0}]'.format(primary)) + if not self.disable_route_warning: + with open('/proc/net/route') as routing_table_fh: + routing_table_text = routing_table_fh.read() + logger.error('could not determine primary interface, ' + 'please ensure /proc/net/route is correct:\n' + '{0}'.format(routing_table_text)) + self.disable_route_warning = True + else: + logger.info('primary interface is [{0}]'.format(primary)) + self.disable_route_warning = False return primary - def is_primary_interface(self, ifname): """ Indicate whether the specified interface is the primary. @@ -507,13 +517,14 @@ class DefaultOSUtil(object): """ return self.get_primary_interface() == ifname - def is_loopback(self, ifname): s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP) result = fcntl.ioctl(s.fileno(), 0x8913, struct.pack('256s', ifname[:15])) flags, = struct.unpack('H', result[16:18]) isloopback = flags & 8 == 8 - logger.info('interface [{0}] has flags [{1}], is loopback [{2}]'.format(ifname, flags, isloopback)) + if not self.disable_route_warning: + logger.info('interface [{0}] has flags [{1}], ' + 'is loopback [{2}]'.format(ifname, flags, isloopback)) return isloopback def get_dhcp_lease_endpoint(self): @@ -675,6 +686,7 @@ class DefaultOSUtil(object): def publish_hostname(self, hostname): self.set_dhcp_hostname(hostname) + self.set_hostname_record(hostname) ifname = self.get_if_name() self.restart_if(ifname) @@ -725,22 +737,39 @@ class DefaultOSUtil(object): port_id = port_id - 2 device = None path = "/sys/bus/vmbus/devices/" - for vmbus in os.listdir(path): - deviceid = fileutil.read_file(os.path.join(path, vmbus, "device_id")) - guid = deviceid.lstrip('{').split('-') - if guid[0] == g0 and guid[1] == "000" + ustr(port_id): - for root, dirs, files in os.walk(path + vmbus): - if root.endswith("/block"): - device = dirs[0] - break - else : #older distros - for d in dirs: - if ':' in d and "block" == d.split(':')[0]: - device = d.split(':')[1] - break - break + if os.path.exists(path): + for vmbus in os.listdir(path): + deviceid = fileutil.read_file(os.path.join(path, vmbus, "device_id")) + guid = deviceid.lstrip('{').split('-') + if guid[0] == g0 and guid[1] == "000" + ustr(port_id): + for root, dirs, files in os.walk(path + vmbus): + if root.endswith("/block"): + device = dirs[0] + break + else : #older distros + for d in dirs: + if ':' in d and "block" == d.split(':')[0]: + device = d.split(':')[1] + break + break return device + def set_hostname_record(self, hostname): + fileutil.write_file(conf.get_published_hostname(), contents=hostname) + + def get_hostname_record(self): + hostname_record = conf.get_published_hostname() + if not os.path.exists(hostname_record): + # this file is created at provisioning time with agents >= 2.2.3 + hostname = socket.gethostname() + logger.warn('Hostname record does not exist, ' + 'creating [{0}] with hostname [{1}]', + hostname_record, + hostname) + self.set_hostname_record(hostname) + record = fileutil.read_file(hostname_record) + return record + def del_account(self, username): if self.is_sys_user(username): logger.error("{0} is a system user. Will not delete it.", username) @@ -749,10 +778,10 @@ class DefaultOSUtil(object): self.conf_sudoer(username, remove=True) def decode_customdata(self, data): - return base64.b64decode(data) + return base64.b64decode(data).decode('utf-8') def get_total_mem(self): - # Get total memory in bytes and divide by 1024**2 to get the valu in MB. + # Get total memory in bytes and divide by 1024**2 to get the value in MB. return os.sysconf('SC_PAGE_SIZE') * os.sysconf('SC_PHYS_PAGES') / (1024**2) def get_processor_cores(self): |