def create(self, mac, template, run_id=None):
"""Creates a config at mac using template"""
mac = common.validate_mac(mac)
if run_id is not None:
if not common.is_integer(run_id):
msg = "Run ID must be an integer or not defined"
raise error.InputError, msg
mac = string.replace(mac, ":", "-") #Format for use on tftp filesystem
template = self._validate_template(template)
template_path = self.tftp_dir + template
template_file = open(template_path)
dst = self.tftp_dir + self.tftp_prefix + mac
#Check that at least one line has kernel arguments
kernel_arg_lines = 0
for line in template_file:
if 'append' in line:
kernel_arg_lines += 1
if kernel_arg_lines < 1 and run_id is not None:
msg = "No kernel arguments in specified template. Should be more than one line starting append."
raise error.InputError, msg
template_file.close
template_file = open(template_path)
#Check that nothing exists at that mac location before trying to make a file
if not os.path.lexists(dst):
mac_file = open(dst, 'w')
#Loop file adding run_id at correct line
for line in template_file:
if 'append' in line and run_id:
#remove the line break and add run_id at end of kernel args
line = line.rstrip('\n')
mac_file.write(line + " run_id=" + str(run_id) + "\n")
else:
mac_file.write(line)
mac_file.close
else:
msg = "Config for mac %s already exists, can't create" % mac
raise error.AlreadyExists, msg
result = self.search(mac)
if result['exit_code'] == 0 and result['count'] == 1:
result['msg'] = "Created %s:" % result['type']
return result
else:
msg = 'Create operation returned OK, but unable to find object'
raise error.NotFound(msg)
return result
def create(self, mac, template, run_id=None):
"""Creates a config at mac using template"""
mac = common.validate_mac(mac)
if run_id is not None:
if not common.is_integer(run_id):
msg = "Run ID must be an integer or not defined"
raise error.InputError, msg
mac = string.replace(mac, ":", "-") #Format for use on tftp filesystem
template = self._validate_template(template)
template_path = self.tftp_dir + template
template_file = open(template_path)
dst = self.tftp_dir + self.tftp_prefix + mac
#Check that at least one line has kernel arguments
kernel_arg_lines = 0
for line in template_file:
if 'append' in line:
kernel_arg_lines += 1
if kernel_arg_lines < 1 and run_id is not None:
msg = "No kernel arguments in specified template. Should be more than one line starting append."
raise error.InputError, msg
template_file.close
template_file = open(template_path)
#Check that nothing exists at that mac location before trying to make a file
if not os.path.lexists(dst):
mac_file = open(dst, 'w')
#Loop file adding run_id at correct line
for line in template_file:
if 'append' in line and run_id:
#remove the line break and add run_id at end of kernel args
line = line.rstrip('\n')
mac_file.write( line + " run_id=" + str(run_id) + "\n")
else:
mac_file.write(line)
mac_file.close
else:
msg = "Config for mac %s already exists, can't create" % mac
raise error.AlreadyExists, msg
result = self.search(mac)
if result['exit_code'] == 0 and result['count'] == 1:
result['msg'] = "Created %s:" % result['type']
return result
else:
msg = 'Create operation returned OK, but unable to find object'
raise error.NotFound(msg)
return result
def delete(self, mac):
"""Deletes file self.tftp_root/pxelinux.cfg/01-<mac>"""
mac = common.validate_mac(mac)
mac_file = string.replace(mac, ":", "-") #Format for use on tftp filesystem
dst = self.tftp_dir + self.tftp_prefix + mac_file
#Make sure the file exists before deleting
if os.path.lexists(dst):
self.log.debug('Deleting tftp config %s' % dst)
os.unlink(dst)
else:
msg = "Tftp config file %s doesn't exist, can't delete" % dst
raise error.NotFound, msg
result = self.search(mac)
if result['exit_code'] == 3 and result['count'] == 0:
result['msg'] = "Deleted %s" % result['type']
return result
else:
msg = 'Delete operation returned OK, but object still there?'
raise error.SearchError(msg)
def delete(self, mac):
"""Deletes file self.tftp_root/pxelinux.cfg/01-<mac>"""
mac = common.validate_mac(mac)
mac_file = string.replace(mac, ":",
"-") #Format for use on tftp filesystem
dst = self.tftp_dir + self.tftp_prefix + mac_file
#Make sure the file exists before deleting
if os.path.lexists(dst):
self.log.debug('Deleting link to mac %s' % mac)
os.unlink(dst)
else:
msg = "Link to mac %s doesn't exist, can't delete" % mac
raise error.NotFound, msg
result = self.search(mac)
if result['exit_code'] == 3 and result['count'] == 0:
result['msg'] = "Deleted %s" % result['type']
return result
else:
msg = 'Delete operation returned OK, but object still there?'
raise error.SearchError(msg)
def search(self, mac=None, template=None):
data = []
if mac is None and template is None:
# Give me all macs and all templates
#read the file system
self.log.debug('Searching for all templates and macs under %s' % \
self.tftp_dir)
file_list = os.listdir(self.tftp_dir)
if len(file_list) == 0:
result = common.process_results(data, self.type)
self.log.debug('Result: %s' % result)
return result
item = {}
for file in file_list:
valid_template = False
item_path = self.tftp_dir + file
file_name = os.path.basename(item_path)
if ".template" in file_name:
valid_template = True
file_name = file_name[3:]
#use a regex to see if the file is a mac config
pattern = re.compile('^([0-9a-fA-F]{2}[:-]){5}[0-9a-fA-F]{2}$')
valid_mac = pattern.match(file_name)
#if it's a mac add to list of macs
if valid_mac and os.path.isfile(item_path):
macs = file_name
try:
item["configs"]
except KeyError:
item["configs"] = [] # Initialise dict if not exist
item["configs"].append(macs)
elif valid_template and os.path.isfile(item_path):
try:
item["templates"]
except KeyError:
item["templates"] = [] # Initialise dict if not exist
item["templates"].append(file)
else:
self.log.debug('Unknown file type %s, skipping' % file)
elif mac is not None and template is None:
# We're looking for a mac address
mac = common.validate_mac(mac)
mac_file = string.replace(mac, ":",
"-") #Format for use on filesystem
mac_file_name = self.tftp_prefix + mac_file
mac_link = self.tftp_dir + mac_file_name
if not os.path.isfile(mac_link):
result = common.process_results(data, self.type)
self.log.debug('Result: %s' % result)
return result
else:
item = [mac_file_name]
#item[mac_file_name] = "Found"
elif template is not None and mac is None:
#Now we just want to check if template exists, no longer maintaining list of links
template = common.validate_filename(template)
template = self._validate_template(template)
item = [template]
else:
msg = "please specify nothing, mac or target (not mac and target)."
raise error.InputError, msg
data.append(item)
result = common.process_results(data, self.type)
self.log.debug('Result: %s' % result)
return result
def search(self, mac=None, template=None):
data = []
if mac is None and template is None:
# Give me all macs and all templates
#read the file system
self.log.debug('Searching for all templates and macs under %s' % \
self.tftp_dir)
file_list = os.listdir(self.tftp_dir)
if len(file_list) == 0:
result = common.process_results(data, self.type)
self.log.debug('Result: %s' % result)
return result
item = {}
for file in file_list:
valid_template = False
item_path = self.tftp_dir + file
file_name = os.path.basename(item_path)
if ".template" in file_name:
valid_template = True
file_name = file_name[3:]
#use a regex to see if the file is a mac config
pattern = re.compile('^([0-9a-fA-F]{2}[:-]){5}[0-9a-fA-F]{2}$')
valid_mac = pattern.match(file_name)
#if it's a mac add to list of macs
if valid_mac and os.path.isfile(item_path):
macs = file_name
try:
item["configs"]
except KeyError:
item["configs"] = [] # Initialise dict if not exist
item["configs"].append(macs)
elif valid_template and os.path.isfile(item_path):
try:
item["templates"]
except KeyError:
item["templates"] = [] # Initialise dict if not exist
item["templates"].append(file)
else:
self.log.debug('Unknown file type %s, skipping' % file)
elif mac is not None and template is None:
# We're looking for a mac address
mac = common.validate_mac(mac)
mac_file = string.replace(mac, ":", "-") #Format for use on filesystem
mac_file_name = self.tftp_prefix + mac_file
mac_link = self.tftp_dir + mac_file_name
if not os.path.isfile(mac_link):
result = common.process_results(data, self.type)
self.log.debug('Result: %s' % result)
return result
else:
item = [mac_file_name]
#item[mac_file_name] = "Found"
elif template is not None and mac is None:
#Now we just want to check if template exists, no longer maintaining list of links
template = common.validate_filename(template)
template = self._validate_template(template)
item = [template]
else:
msg = "please specify nothing, mac or target (not mac and target)."
raise error.InputError, msg
data.append(item)
result = common.process_results(data, self.type)
self.log.debug('Result: %s' % result)
return result
