def collect_and_send_events(self):
event_list = TelemetryEventList()
event_dir = os.path.join(conf.get_lib_dir(), "events")
event_files = os.listdir(event_dir)
for event_file in event_files:
if not event_file.endswith(".tld"):
continue
event_file_path = os.path.join(event_dir, event_file)
try:
data_str = self.collect_event(event_file_path)
except EventError as e:
logger.error("{0}", e)
continue
try:
event = parse_event(data_str)
event.parameters.extend(self.sysinfo)
event_list.events.append(event)
except (ValueError, ProtocolError) as e:
logger.warn("Failed to decode event file: {0}", e)
continue
if len(event_list.events) == 0:
return
try:
protocol = self.distro.protocol_util.get_protocol()
protocol.report_event(event_list)
except ProtocolError as e:
logger.error("{0}", e)
def add_event(self,
name,
op="",
is_success=True,
duration=0,
version="1.0",
message="",
evt_type="",
is_internal=False):
event = TelemetryEvent(1, "69B669B9-4AF8-4C50-BDC4-6006FA76E975")
event.parameters.append(TelemetryEventParam('Name', name))
event.parameters.append(TelemetryEventParam('Version', version))
event.parameters.append(TelemetryEventParam('IsInternal', is_internal))
event.parameters.append(TelemetryEventParam('Operation', op))
event.parameters.append(
TelemetryEventParam('OperationSuccess', is_success))
event.parameters.append(TelemetryEventParam('Message', message))
event.parameters.append(TelemetryEventParam('Duration', duration))
event.parameters.append(TelemetryEventParam('ExtensionType', evt_type))
data = get_properties(event)
try:
self.save_event(json.dumps(data))
except EventError as e:
logger.error("{0}", e)
def run(self):
#If provision is enabled, run default provision handler
if conf.get_provision_enabled():
super(UbuntuProvisionHandler, self).run()
return
logger.info("run Ubuntu provision handler")
provisioned = os.path.join(conf.get_lib_dir(), "provisioned")
if os.path.isfile(provisioned):
return
logger.info("Waiting cloud-init to copy ovf-env.xml.")
self.wait_for_ovfenv()
protocol = self.distro.protocol_util.detect_protocol()
self.report_not_ready("Provisioning", "Starting")
logger.info("Sleep 15 seconds to prevent throttling")
time.sleep(15) #Sleep to prevent throttling
try:
logger.info("Wait for ssh host key to be generated.")
thumbprint = self.wait_for_ssh_host_key()
fileutil.write_file(provisioned, "")
logger.info("Finished provisioning")
except ProvisionError as e:
logger.error("Provision failed: {0}", e)
self.report_not_ready("ProvisioningFailed", ustr(e))
self.report_event(ustr(e))
return
self.report_ready(thumbprint)
self.report_event("Provision succeed", is_success=True)
def daemon(self):
logger.info("Run daemon")
#Create lib dir
if not os.path.isdir(conf.get_lib_dir()):
fileutil.mkdir(conf.get_lib_dir(), mode=0o700)
os.chdir(conf.get_lib_dir())
if conf.get_detect_scvmm_env():
if self.distro.scvmm_handler.run():
return
self.distro.provision_handler.run()
if conf.get_resourcedisk_format():
self.distro.resource_disk_handler.run()
try:
protocol = self.distro.protocol_util.detect_protocol()
except ProtocolError as e:
logger.error("Failed to detect protocol, exit", e)
return
self.distro.event_handler.run()
self.distro.env_handler.run()
while self.running:
#Handle extensions
self.distro.ext_handlers_handler.run()
time.sleep(25)
def collect_and_send_events(self):
event_list = TelemetryEventList()
event_dir = os.path.join(conf.get_lib_dir(), "events")
event_files = os.listdir(event_dir)
for event_file in event_files:
if not event_file.endswith(".tld"):
continue
event_file_path = os.path.join(event_dir, event_file)
try:
data_str = self.collect_event(event_file_path)
except EventError as e:
logger.error("{0}", e)
continue
try:
event = parse_event(data_str)
event.parameters.extend(self.sysinfo)
event_list.events.append(event)
except (ValueError, ProtocolError) as e:
logger.warn("Failed to decode event file: {0}", e)
continue
if len(event_list.events) == 0:
return
try:
protocol = self.distro.protocol_util.get_protocol()
protocol.report_event(event_list)
except ProtocolError as e:
logger.error("{0}", e)
def parse_plugin_settings(self, ext_handler, plugin_settings):
if plugin_settings is None:
return
name = ext_handler.name
version = ext_handler.properties.version
settings = [x for x in plugin_settings \
if getattrib(x, "name") == name and \
getattrib(x ,"version") == version]
if settings is None or len(settings) == 0:
return
runtime_settings = None
runtime_settings_node = find(settings[0], "RuntimeSettings")
seqNo = getattrib(runtime_settings_node, "seqNo")
runtime_settings_str = gettext(runtime_settings_node)
try:
runtime_settings = json.loads(runtime_settings_str)
except ValueError as e:
logger.error("Invalid extension settings")
return
for plugin_settings_list in runtime_settings["runtimeSettings"]:
handler_settings = plugin_settings_list["handlerSettings"]
ext = Extension()
#There is no "extension name" in wire protocol.
#Put
ext.name = ext_handler.name
ext.sequenceNumber = seqNo
ext.publicSettings = handler_settings.get("publicSettings")
ext.protectedSettings = handler_settings.get("protectedSettings")
thumbprint = handler_settings.get("protectedSettingsCertThumbprint")
ext.certificateThumbprint = thumbprint
ext_handler.properties.extensions.append(ext)
def validate_dhcp_resp(request, response):
bytes_recv = len(response)
if bytes_recv < 0xF6:
logger.error("HandleDhcpResponse: Too few bytes received:{0}",
bytes_recv)
return False
logger.verb("BytesReceived:{0}", hex(bytes_recv))
logger.verb("DHCP response:{0}", hex_dump(response, bytes_recv))
# check transactionId, cookie, MAC address cookie should never mismatch
# transactionId and MAC address may mismatch if we see a response
# meant from another machine
if not compare_bytes(request, response, 0xEC, 4):
logger.verb("Cookie not match:\nsend={0},\nreceive={1}",
hex_dump3(request, 0xEC, 4),
hex_dump3(response, 0xEC, 4))
raise DhcpError("Cookie in dhcp respones doesn't match the request")
if not compare_bytes(request, response, 4, 4):
logger.verb("TransactionID not match:\nsend={0},\nreceive={1}",
hex_dump3(request, 4, 4),
hex_dump3(response, 4, 4))
raise DhcpError("TransactionID in dhcp respones "
"doesn't match the request")
if not compare_bytes(request, response, 0x1C, 6):
logger.verb("Mac Address not match:\nsend={0},\nreceive={1}",
hex_dump3(request, 0x1C, 6),
hex_dump3(response, 0x1C, 6))
raise DhcpError("Mac Addr in dhcp respones "
"doesn't match the request")
def enable_swap(self, mount_point):
logger.info("Enable swap")
try:
size_mb = conf.get_resourcedisk_swap_size_mb()
self.create_swap_space(mount_point, size_mb)
except ResourceDiskError as e:
logger.error("Failed to enable swap {0}", e)
def enable_swap(self, mount_point):
logger.info("Enable swap")
try:
size_mb = conf.get_resourcedisk_swap_size_mb()
self.create_swap_space(mount_point, size_mb)
except ResourceDiskError as e:
logger.error("Failed to enable swap {0}", e)
def parse_ip_addr(response, option, i, length, bytes_recv):
if i + 5 < bytes_recv:
if length != 4:
logger.error("Endpoint or Default Gateway not 4 bytes")
return None
addr = unpack_big_endian(response, i + 2, 4)
ip_addr = int_to_ip4_addr(addr)
return ip_addr
else:
logger.error("Data too small for option:{0}", option)
return None
def del_account(self, username):
if self.is_sys_user(username):
logger.error("{0} is a system user. Will not delete it.", username)
shellutil.run("> /var/run/utmp")
shellutil.run("userdel -f -r " + username)
#Remove user from suders
if os.path.isfile("/etc/suders.d/waagent"):
try:
content = fileutil.read_file("/etc/sudoers.d/waagent")
sudoers = content.split("\n")
sudoers = [x for x in sudoers if username not in x]
fileutil.write_file("/etc/sudoers.d/waagent",
"\n".join(sudoers))
except IOError as e:
raise OSUtilError("Failed to remove sudoer: {0}".format(e))
def del_account(self, username):
if self.is_sys_user(username):
logger.error("{0} is a system user. Will not delete it.", username)
shellutil.run("> /var/run/utmp")
shellutil.run("userdel -f -r " + username)
#Remove user from suders
if os.path.isfile("/etc/suders.d/waagent"):
try:
content = fileutil.read_file("/etc/sudoers.d/waagent")
sudoers = content.split("\n")
sudoers = [x for x in sudoers if username not in x]
fileutil.write_file("/etc/sudoers.d/waagent",
"\n".join(sudoers))
except IOError as e:
raise OSUtilError("Failed to remove sudoer: {0}".format(e))
def activate_resource_disk(self):
logger.info("Activate resource disk")
try:
mount_point = conf.get_resourcedisk_mountpoint()
fs = conf.get_resourcedisk_filesystem()
mount_point = self.mount_resource_disk(mount_point, fs)
warning_file = os.path.join(mount_point, DATALOSS_WARNING_FILE_NAME)
try:
fileutil.write_file(warning_file, DATA_LOSS_WARNING)
except IOError as e:
logger.warn("Failed to write data loss warnning:{0}", e)
return mount_point
except ResourceDiskError as e:
logger.error("Failed to mount resource disk {0}", e)
add_event(name="WALA", is_success=False, message=ustr(e),
op=WALAEventOperation.ActivateResourceDisk)
def add_event(self, name, op="", is_success=True, duration=0, version="1.0",
message="", evt_type="", is_internal=False):
event = TelemetryEvent(1, "69B669B9-4AF8-4C50-BDC4-6006FA76E975")
event.parameters.append(TelemetryEventParam('Name', name))
event.parameters.append(TelemetryEventParam('Version', version))
event.parameters.append(TelemetryEventParam('IsInternal', is_internal))
event.parameters.append(TelemetryEventParam('Operation', op))
event.parameters.append(TelemetryEventParam('OperationSuccess',
is_success))
event.parameters.append(TelemetryEventParam('Message', message))
event.parameters.append(TelemetryEventParam('Duration', duration))
event.parameters.append(TelemetryEventParam('ExtensionType', evt_type))
data = get_properties(event)
try:
self.save_event(json.dumps(data))
except EventError as e:
logger.error("{0}", e)
def activate_resource_disk(self):
logger.info("Activate resource disk")
try:
mount_point = conf.get_resourcedisk_mountpoint()
fs = conf.get_resourcedisk_filesystem()
mount_point = self.mount_resource_disk(mount_point, fs)
warning_file = os.path.join(mount_point,
DATALOSS_WARNING_FILE_NAME)
try:
fileutil.write_file(warning_file, DATA_LOSS_WARNING)
except IOError as e:
logger.warn("Failed to write data loss warnning:{0}", e)
return mount_point
except ResourceDiskError as e:
logger.error("Failed to mount resource disk {0}", e)
add_event(name="WALA",
is_success=False,
message=ustr(e),
op=WALAEventOperation.ActivateResourceDisk)
def replace_file(filepath, contents):
"""
Write 'contents' to 'filepath' by creating a temp file,
and replacing original.
"""
handle, temp = tempfile.mkstemp(dir=os.path.dirname(filepath))
#if type(contents) == str:
#contents=contents.encode('latin-1')
try:
os.write(handle, contents)
except IOError as err:
logger.error('Write to file {0}, Exception is {1}', filepath, err)
return 1
finally:
os.close(handle)
try:
os.rename(temp, filepath)
except IOError as err:
logger.info('Rename {0} to {1}, Exception is {2}', temp, filepath, err)
logger.info('Remove original file and retry')
try:
os.remove(filepath)
except IOError as err:
logger.error('Remove {0}, Exception is {1}', temp, filepath, err)
try:
os.rename(temp, filepath)
except IOError as err:
logger.error('Rename {0} to {1}, Exception is {2}', temp, filepath,
err)
return 1
return 0
def replace_file(filepath, contents):
"""
Write 'contents' to 'filepath' by creating a temp file,
and replacing original.
"""
handle, temp = tempfile.mkstemp(dir=os.path.dirname(filepath))
#if type(contents) == str:
#contents=contents.encode('latin-1')
try:
os.write(handle, contents)
except IOError as err:
logger.error('Write to file {0}, Exception is {1}', filepath, err)
return 1
finally:
os.close(handle)
try:
os.rename(temp, filepath)
except IOError as err:
logger.info('Rename {0} to {1}, Exception is {2}', temp, filepath, err)
logger.info('Remove original file and retry')
try:
os.remove(filepath)
except IOError as err:
logger.error('Remove {0}, Exception is {1}', temp, filepath, err)
try:
os.rename(temp, filepath)
except IOError as err:
logger.error('Rename {0} to {1}, Exception is {2}', temp, filepath,
err)
return 1
return 0
def parse_route(response, option, i, length, bytes_recv):
# http://msdn.microsoft.com/en-us/library/cc227282%28PROT.10%29.aspx
logger.verb("Routes at offset: {0} with length:{1}", hex(i), hex(length))
routes = []
if length < 5:
logger.error("Data too small for option:{0}", option)
j = i + 2
while j < (i + length + 2):
mask_len_bits = str_to_ord(response[j])
mask_len_bytes = (((mask_len_bits + 7) & ~7) >> 3)
mask = 0xFFFFFFFF & (0xFFFFFFFF << (32 - mask_len_bits))
j += 1
net = unpack_big_endian(response, j, mask_len_bytes)
net <<= (32 - mask_len_bytes * 8)
net &= mask
j += mask_len_bytes
gateway = unpack_big_endian(response, j, 4)
j += 4
routes.append((net, mask, gateway))
if j != (i + length + 2):
logger.error("Unable to parse routes")
return routes
def run(self):
#If provision is not enabled, return
if not conf.get_provision_enabled():
logger.info("Provisioning is disabled. Skip.")
return
provisioned = os.path.join(conf.get_lib_dir(), "provisioned")
if os.path.isfile(provisioned):
return
logger.info("Run provision handler.")
logger.info("Copy ovf-env.xml.")
try:
ovfenv = self.distro.protocol_util.copy_ovf_env()
except ProtocolError as e:
self.report_event("Failed to copy ovf-env.xml: {0}".format(e))
return
self.distro.protocol_util.detect_protocol_by_file()
self.report_not_ready("Provisioning", "Starting")
try:
logger.info("Start provisioning")
self.provision(ovfenv)
fileutil.write_file(provisioned, "")
thumbprint = self.reg_ssh_host_key()
logger.info("Finished provisioning")
except ProvisionError as e:
logger.error("Provision failed: {0}", e)
self.report_not_ready("ProvisioningFailed", ustr(e))
self.report_event(ustr(e))
return
self.report_ready(thumbprint)
self.report_event("Provision succeed", is_success=True)
def run_get_output(cmd, chk_err=True, log_cmd=True):
"""
Wrapper for subprocess.check_output.
Execute 'cmd'. Returns return code and STDOUT, trapping expected exceptions.
Reports exceptions to Error if chk_err parameter is True
"""
if log_cmd:
logger.verb(u"run cmd '{0}'", cmd)
try:
output=subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
output = ustr(output, encoding='utf-8', errors="backslashreplace")
except subprocess.CalledProcessError as e :
output = ustr(e.output, encoding='utf-8', errors="backslashreplace")
if chk_err:
if log_cmd:
logger.error(u"run cmd '{0}' failed", e.cmd)
logger.error(u"Error Code:{0}", e.returncode)
logger.error(u"Result:{0}", output)
return e.returncode, output
return 0, output
def run_get_output(cmd, chk_err=True, log_cmd=True):
"""
Wrapper for subprocess.check_output.
Execute 'cmd'. Returns return code and STDOUT, trapping expected exceptions.
Reports exceptions to Error if chk_err parameter is True
"""
if log_cmd:
logger.verb(u"run cmd '{0}'", cmd)
try:
output = subprocess.check_output(cmd,
stderr=subprocess.STDOUT,
shell=True)
output = ustr(output, encoding='utf-8', errors="backslashreplace")
except subprocess.CalledProcessError as e:
output = ustr(e.output, encoding='utf-8', errors="backslashreplace")
if chk_err:
if log_cmd:
logger.error(u"run cmd '{0}' failed", e.cmd)
logger.error(u"Error Code:{0}", e.returncode)
logger.error(u"Result:{0}", output)
return e.returncode, output
return 0, output
